{"id":3778,"date":"2022-09-21T08:54:47","date_gmt":"2022-09-21T01:54:47","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=3778"},"modified":"2022-10-06T14:46:26","modified_gmt":"2022-10-06T07:46:26","slug":"ong-nhua-hdpe","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/","title":{"rendered":"\u1ed0ng nh\u1ef1a HDPE"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_27 ez-toc-wrap-left counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Ong_nhua_HDPE\" title=\"\u1ed0ng nh\u1ef1a HDPE\">\u1ed0ng nh\u1ef1a HDPE<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Kien_thuc_ve_ong_HDPE\" title=\"Ki\u1ebfn th\u1ee9c v\u1ec1 \u1ed1ng HDPE\">Ki\u1ebfn th\u1ee9c v\u1ec1 \u1ed1ng HDPE<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Tinh_chat_hoa_hoc\" title=\"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Tinh_chat_vat_ly\" title=\"T\u00ednh ch\u1ea5t v\u1eadt l\u00fd\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Thuoc_tinh_ong_nhua_HDPE\" title=\"Thu\u1ed9c t\u00ednh \u1ed1ng nh\u1ef1a HDPE\">Thu\u1ed9c t\u00ednh \u1ed1ng nh\u1ef1a HDPE<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Xu_huong_su_dung_ong_nhua_HDPE\" title=\"Xu h\u01b0\u1edbng s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE\">Xu h\u01b0\u1edbng s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Dau_tien_su_phat_trien_cua_ong_cap_nuoc_HDPE\" title=\"\u0110\u1ea7u ti\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE\">\u0110\u1ea7u ti\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#2_Thong_so_ky_thuat_va_phuong_phap_ket_noi_cua_ong_HDPE\" title=\"2. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i c\u1ee7a \u1ed1ng HDPE\">2. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i c\u1ee7a \u1ed1ng HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#3_Cac_linh_vuc_ung_dung_cua_HDPE\" title=\"3. C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a HDPE\">3. C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#4_Uu_diem_cua_duong_ong_cap_nuoc_HDPE_trong_ung_dung\" title=\"4. \u01afu \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE trong \u1ee9ng d\u1ee5ng\">4. \u01afu \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE trong \u1ee9ng d\u1ee5ng<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#5_Nhung_van_de_can_chu_y_trong_viec_ung_dung_ong_cap_nuoc_HDPE\" title=\"5. Nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ch\u00fa \u00fd trong vi\u1ec7c \u1ee9ng d\u1ee5ng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE\">5. Nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ch\u00fa \u00fd trong vi\u1ec7c \u1ee9ng d\u1ee5ng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#So_sanh_gia_giua_ong_HDPE_va_ong_PVC-U_ong_PP-R_va_ong_composite_nhom-nhua\" title=\"So s\u00e1nh gi\u00e1 gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PVC-U, \u1ed1ng PP-R v\u00e0 \u1ed1ng composite nh\u00f4m-nh\u1ef1a:\">So s\u00e1nh gi\u00e1 gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PVC-U, \u1ed1ng PP-R v\u00e0 \u1ed1ng composite nh\u00f4m-nh\u1ef1a:<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Dac_diem_va_su_khac_biet_giua_ong_HDPE_va_ong_PE_thong_thuong_la_gi\" title=\"\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PE th\u00f4ng th\u01b0\u1eddng l\u00e0 g\u00ec?\">\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PE th\u00f4ng th\u01b0\u1eddng l\u00e0 g\u00ec?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Hieu_suat_-_Tieng_on_thap\" title=\"Hi\u1ec7u su\u1ea5t &#8211; Ti\u1ebfng \u1ed3n th\u1ea5p\">Hi\u1ec7u su\u1ea5t &#8211; Ti\u1ebfng \u1ed3n th\u1ea5p<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/#Quy_trinh_su_dung_ong_nhua_HDPE_trong_cong_nghe_xay_dung\" title=\"Quy tr\u00ecnh s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE trong c\u00f4ng ngh\u1ec7 x\u00e2y d\u1ef1ng\">Quy tr\u00ecnh s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE trong c\u00f4ng ngh\u1ec7 x\u00e2y d\u1ef1ng<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Ong_nhua_HDPE\"><\/span><span style=\"color: #008000; font-size: 12pt;\"><em><strong>\u1ed0ng nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a HDPE l\u00e0 lo\u1ea1i \u1ed1ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb polyethylene m\u1eadt \u0111\u1ed9 cao (t\u00ean ti\u1ebfng Anh l\u00e0 \u201cHigh Density Polyethylene\u201d, g\u1ecdi t\u1eaft l\u00e0 \u201cHDPE\u201d). \u1ed0ng HDPE l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf \u1ed1ng th\u00e9p truy\u1ec1n th\u1ed1ng v\u00e0 \u1ed1ng n\u01b0\u1edbc u\u1ed1ng PVC. S\u1ea3n ph\u1ea9m ph\u1ed5 th\u00f4ng \u0111\u01b0\u1ee3c Qu\u00fd kh\u00e1ch h\u00e0ng hay s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam <span style=\"color: #800000;\"><a style=\"color: #800000;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-ruot-ga-loi-thep\/\">\u1ed1ng ru\u1ed9t g\u00e0 l\u00f5i th\u00e9p<\/a><\/span>.<\/span><\/p>\n<figure id=\"attachment_3780\" aria-describedby=\"caption-attachment-3780\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3780 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-hdpe-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-hdpe.jpg 565w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3780\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a HDPE<\/span><\/figcaption><\/figure>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng HDPE ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh, v\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a PE c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn v\u00e0 c\u01a1 t\u00ednh t\u1ed1t h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1ef1a HDPE, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. Nh\u1ef1a LDPE c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o th\u1ea5p, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t, \u0111\u1ed9 c\u1ee9ng k\u00e9m, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc k\u00e9m trong qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 kh\u00f3 k\u1ebft n\u1ed1i, kh\u00f4ng th\u00edch h\u1ee3p l\u00e0m v\u1eadt li\u1ec7u cho \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c c\u1ea5p n\u01b0\u1edbc.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"> Tuy nhi\u00ean, do ch\u1ec9 s\u1ed1 v\u1ec7 sinh cao n\u00ean LDPE, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1ef1a LLDPE, \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u1ed1ng d\u1eabn n\u01b0\u1edbc u\u1ed1ng. Nh\u1ef1a LDPE v\u00e0 LLDPE c\u00f3 \u0111\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y th\u1ea5p, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 d\u1ec5 gia c\u00f4ng, do \u0111\u00f3 ph\u1ea1m vi l\u1ef1a ch\u1ecdn ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00fang c\u0169ng r\u1ed9ng, th\u01b0\u1eddng MI n\u1eb1m trong kho\u1ea3ng 0,3-3g \/ 10 ph\u00fat. Qu\u00fd kh\u00e1ch h\u00e0ng c\u1ea7n t\u00ecm hi\u1ec3u ho\u1eb7c c\u00f3 nhu c\u1ea7u v\u1ec1 <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-teflon\/\">\u1ed1ng teflon<\/a><\/span><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kien_thuc_ve_ong_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ki\u1ebfn th\u1ee9c v\u1ec1 \u1ed1ng HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Polyetylen t\u1ef7 tr\u1ecdng cao, t\u00ean ti\u1ebfng Anh l\u00e0 \u201cHigh Density Polyethylene\u201d, g\u1ecdi t\u1eaft l\u00e0 \u201cHDPE\u201d. HDPE l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo c\u00f3 \u0111\u1ed9 k\u1ebft tinh cao, kh\u00f4ng ph\u00e2n c\u1ef1c. B\u1ec1 ngo\u00e0i c\u1ee7a HDPE ban \u0111\u1ea7u l\u00e0 m\u00e0u tr\u1eafng s\u1eefa v\u00e0 n\u00f3 trong m\u1edd \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh \u1edf ph\u1ea7n m\u1ecfng. PE c\u00f3 s\u1ee9c \u0111\u1ec1 kh\u00e1ng tuy\u1ec7t v\u1eddi \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c h\u00f3a ch\u1ea5t gia d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p. M\u1ed9t s\u1ed1 lo\u1ea1i h\u00f3a ch\u1ea5t c\u00f3 t\u00ednh x\u00e2m th\u1ef1c h\u00f3a h\u1ecdc, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t oxy h\u00f3a \u0103n m\u00f2n (axit nitric \u0111\u1eadm \u0111\u1eb7c), hydrocacbon th\u01a1m (xylen) v\u00e0 hydrocacbon halogen h\u00f3a (cacbon tetraclorua). <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Polyme kh\u00f4ng h\u00fat \u1ea9m v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u01a1i n\u01b0\u1edbc t\u1ed1t cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i. HDPE c\u00f3 \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i c\u00e1ch \u0111i\u1ec7n cao n\u00ean r\u1ea5t th\u00edch h\u1ee3p l\u00e0m d\u00e2y v\u00e0 c\u00e1p \u0111i\u1ec7n. C\u00e1c lo\u1ea1i c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u1eeb trung b\u00ecnh \u0111\u1ebfn cao c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp tuy\u1ec7t v\u1eddi \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 th\u1eadm ch\u00ed th\u1ea5p \u0111\u1ebfn -40F.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">M\u1eb7c d\u00f9 HDPE \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 1956, lo\u1ea1i nh\u1ef1a n\u00e0y v\u1eabn ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 ch\u00edn. V\u1eadt li\u1ec7u \u0111a n\u0103ng n\u00e0y li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 th\u1ecb tr\u01b0\u1eddng m\u1edbi.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">PE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00e1c nhau. Ch\u00fang bao g\u1ed3m, v\u00ed d\u1ee5, \u0111\u00f9n t\u1ea5m, \u0111\u00f9n m\u00e0ng, \u0111\u00f9n \u1ed1ng ho\u1eb7c h\u1ed3 s\u01a1, \u0111\u00fac th\u1ed5i, \u00e9p phun v\u00e0 \u0111\u00fac quay.<\/span><\/p>\n<figure id=\"attachment_3781\" aria-describedby=\"caption-attachment-3781\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3781 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den-300x300.jpg\" alt=\"\u1ed0ng HDPE m\u00e0u \u0111en\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-hdpe-mau-den.jpg 750w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3781\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">\u1ed0ng HDPE m\u00e0u \u0111en<\/span><\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">Polyetylen c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 kh\u00e1c nhau v\u00e0 s\u1ef1 \u0103n m\u00f2n c\u1ee7a c\u00e1c axit v\u00e0 baz\u01a1 kh\u00e1c nhau, nh\u01b0ng kh\u00f4ng ch\u1ed1ng l\u1ea1i c\u00e1c axit oxy h\u00f3a nh\u01b0 axit nitric. Polyetylen s\u1ebd b\u1ecb oxy h\u00f3a trong m\u00f4i tr\u01b0\u1eddng oxy h\u00f3a.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">Polyetylen c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 trong su\u1ed1t \u1edf tr\u1ea1ng th\u00e1i m\u00e0ng, nh\u01b0ng khi t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng kh\u1ed1i, n\u00f3 s\u1ebd b\u1ecb m\u1edd \u0111\u1ee5c do t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng m\u1ea1nh do t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c tinh th\u1ec3 trong \u0111\u00f3. M\u1ee9c \u0111\u1ed9 k\u1ebft tinh polyetylen b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ed1 l\u01b0\u1ee3ng nh\u00e1nh, v\u00e0 c\u00e0ng nhi\u1ec1u nh\u00e1nh th\u00ec c\u00e0ng kh\u00f3 k\u1ebft tinh. Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a tinh th\u1ec3 polyetylen c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ed1 l\u01b0\u1ee3ng nh\u00e1nh, dao \u0111\u1ed9ng t\u1eeb 90 \u0111\u1ed9 C \u0111\u1ebfn 130 \u0111\u1ed9 C. C\u00e0ng nhi\u1ec1u nh\u00e1nh, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u00e0ng gi\u1ea3m. Polyethylene \u0111\u01a1n tinh th\u1ec3 th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch h\u00f2a tan HDPE trong xylen \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 130 \u0111\u1ed9 C.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Thuoc_tinh_ong_nhua_HDPE\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>Thu\u1ed9c t\u00ednh \u1ed1ng nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\"><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/\">\u1ed0ng nh\u1ef1a HDPE<\/a><\/span> l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u01b0\u1eddng \u1ed1ng t\u1ed1t, kh\u00f4ng ch\u1ec9 c\u00f3 t\u00ednh kinh t\u1ebf t\u1ed1t m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c \u01b0u \u0111i\u1ec3m nh\u01b0 giao di\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady, ch\u1ed1ng va \u0111\u1eadp v\u1eadt li\u1ec7u, ch\u1ed1ng n\u1ee9t, ch\u1ed1ng l\u00e3o h\u00f3a, ch\u1ed1ng \u0103n m\u00f2n&#8230; So v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng truy\u1ec1n th\u1ed1ng, \u0111\u01b0\u1eddng \u1ed1ng HDPE h\u1ec7 th\u1ed1ng c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c \u01b0u \u0111i\u1ec3m sau:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">\u00a0K\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady: H\u1ec7 th\u1ed1ng \u1ed1ng polyetylen \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p \u0111i\u1ec7n nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i n\u1ed1i cao h\u01a1n \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed1i n\u1ed1i c\u1ee7a th\u00e2n \u1ed1ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p t\u1ed1t: Nhi\u1ec7t \u0111\u1ed9 nh\u00fang \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u1ee7a polyetylen l\u00e0 c\u1ef1c k\u1ef3 th\u1ea5p v\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng an to\u00e0n trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 -60-60 \u00b0 C. Khi thi c\u00f4ng v\u00e0o m\u00f9a \u0111\u00f4ng, do v\u1eadt li\u1ec7u ch\u1ecbu va \u0111\u1eadp t\u1ed1t n\u00ean \u0111\u01b0\u1eddng \u1ed1ng s\u1ebd kh\u00f4ng b\u1ecb gi\u00f2n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t do \u1ee9ng su\u1ea5t t\u1ed1t: HDPE c\u00f3 \u0111\u1ed9 nh\u1ea1y v\u1ebft n\u1ee9t th\u1ea5p, \u0111\u1ed9 b\u1ec1n c\u1eaft cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng x\u01b0\u1edbc tuy\u1ec7t v\u1eddi, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t do \u1ee9ng su\u1ea5t m\u00f4i tr\u01b0\u1eddng c\u0169ng r\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0Ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc t\u1ed1t: \u1ed0ng HDPE c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1edfi nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n h\u00f3a h\u1ecdc, v\u00e0 c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc trong \u0111\u1ea5t s\u1ebd kh\u00f4ng g\u00e2y ra b\u1ea5t k\u1ef3 s\u1ef1 xu\u1ed1ng c\u1ea5p n\u00e0o cho \u0111\u01b0\u1eddng \u1ed1ng. Polyetylen l\u00e0 m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n, v\u00ec v\u1eady n\u00f3 kh\u00f4ng b\u1ecb th\u1ed1i r\u1eefa, r\u1ec9 s\u00e9t ho\u1eb7c \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a; n\u00f3 c\u0169ng kh\u00f4ng th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a t\u1ea3o, vi khu\u1ea9n ho\u1eb7c n\u1ea5m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n cao, tu\u1ed5i th\u1ecd cao: \u1ed1ng polyetylen ch\u1ee9a 2-2,5% cacbon \u0111en ph\u00e2n b\u1ed1 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ho\u1eb7c s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi trong 50 n\u0103m m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i b\u1edfi b\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t: Th\u1eed nghi\u1ec7m so s\u00e1nh kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a \u1ed1ng HDPE v\u00e0 \u1ed1ng th\u00e9p cho th\u1ea5y kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a \u1ed1ng HDPE g\u1ea5p 4 l\u1ea7n so v\u1edbi \u1ed1ng th\u00e9p. Trong l\u0129nh v\u1ef1c v\u1eadn chuy\u1ec3n b\u00f9n, so v\u1edbi \u1ed1ng th\u00e9p, \u1ed1ng HDPE c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n, \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c \u1ed1ng HDPE c\u00f3 tu\u1ed5i th\u1ecd l\u00e2u h\u01a1n v\u00e0 t\u00ednh kinh t\u1ebf t\u1ed1t h\u01a1n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0T\u00ednh linh ho\u1ea1t t\u1ed1t: T\u00ednh linh ho\u1ea1t c\u1ee7a \u1ed1ng HDPE gi\u00fap d\u1ec5 d\u00e0ng u\u1ed1n cong v\u00e0 trong k\u1ef9 thu\u1eadt, c\u00e1c ch\u01b0\u1edbng ng\u1ea1i v\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qua b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a \u1ed1ng. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, t\u00ednh linh ho\u1ea1t c\u1ee7a \u1ed1ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 ki\u1ec7n \u1ed1ng v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng d\u00f2ng n\u01b0\u1edbc nh\u1ecf: \u1ed0ng HDPE c\u00f3 b\u1ec1 m\u1eb7t b\u00ean trong nh\u1eb5n v\u00e0 h\u1ec7 s\u1ed1 Manning c\u1ee7a n\u00f3 l\u00e0 0,009. Hi\u1ec7u su\u1ea5t tr\u01a1n tru v\u00e0 \u0111\u1eb7c t\u00ednh kh\u00f4ng k\u1ebft d\u00ednh \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u1ed1ng HDPE c\u00f3 kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n cao h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng truy\u1ec1n th\u1ed1ng, \u0111\u1ed3ng th\u1eddi gi\u1ea3m t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a vi\u1ec7c truy\u1ec1n t\u1ea3i n\u01b0\u1edbc.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u00a0D\u1ec5 d\u00e0ng x\u1eed l\u00fd: \u1ed0ng HDPE nh\u1eb9 h\u01a1n \u1ed1ng b\u00ea t\u00f4ng, \u1ed1ng m\u1ea1 k\u1ebdm v\u00e0 \u1ed1ng th\u00e9p, d\u1ec5 d\u00e0ng x\u1eed l\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t, y\u00eau c\u1ea7u v\u1ec1 nh\u00e2n l\u1ef1c v\u00e0 thi\u1ebft b\u1ecb th\u1ea5p h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c chi ph\u00ed l\u1eafp \u0111\u1eb7t c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng m\u1edbi \u0111a d\u1ea1ng: \u1ed0ng HDPE c\u00f3 nhi\u1ec1u k\u1ef9 thu\u1eadt thi c\u00f4ng kh\u00e1c nhau Ngo\u00e0i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e0o truy\u1ec1n th\u1ed1ng, c\u00e1c k\u1ef9 thu\u1eadt \u0111\u00e0o r\u00e3nh m\u1edbi kh\u00e1c nhau nh\u01b0 k\u00edch \u1ed1ng, khoan \u0111\u1ecbnh h\u01b0\u1edbng, b\u1ecdc l\u00f3t, l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t cho m\u1ed9t s\u1ed1 n\u01a1i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u00e0o.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_3782\" aria-describedby=\"caption-attachment-3782\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3782 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/cuon-ong-nhua-hdpe-300x300.jpg\" alt=\"Cu\u1ed9n \u1ed1ng nh\u1ef1a HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/cuon-ong-nhua-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/cuon-ong-nhua-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/cuon-ong-nhua-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/cuon-ong-nhua-hdpe.jpg 564w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3782\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">Cu\u1ed9n \u1ed1ng nh\u1ef1a HDPE<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Xu_huong_su_dung_ong_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Xu h\u01b0\u1edbng s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a \u0111\u00e3 c\u00f3 nh\u1eefng b\u01b0\u1edbc ph\u00e1t tri\u1ec3n v\u00e0 c\u1ea3i ti\u1ebfn v\u01b0\u1ee3t b\u1eadc v\u1ec1 l\u00fd lu\u1eadn thi\u1ebft k\u1ebf v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng trong x\u00e2y d\u1ef1ng, t\u00edch l\u0169y kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n phong ph\u00fa \u0111\u00e3 th\u00fac \u0111\u1ea9y \u1ed1ng nh\u1ef1a chi\u1ebfm v\u1ecb tr\u00ed r\u1ea5t quan tr\u1ecdng trong x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh k\u1ef9 thu\u1eadt \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc v\u00e0 h\u00ecnh th\u00e0nh b\u01b0\u1edbc ph\u00e1t tri\u1ec3n kh\u00f4ng th\u1ec3 ng\u0103n c\u1ea3n xu h\u01b0\u1edbng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00e1c lo\u1ea1i \u1ed1ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc l\u00e0 \u1ed1ng c\u1ea5p n\u01b0\u1edbc PVC-U, \u1ed1ng PP-R, \u1ed1ng composite nh\u00f4m nh\u1ef1a (PAP), \u1ed1ng composite th\u00e9p &#8211; nh\u1ef1a (SP), v\u00e0 \u1ed1ng HDPE. \u1ed0ng HDPE \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 v\u00e0 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u00e9p \u0111\u00f9n n\u00f3ng, c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ed1ng \u0103n m\u00f2n, th\u00e0nh b\u00ean trong nh\u1eb5n, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ea3y th\u1ea5p, \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 d\u1ebbo dai t\u1ed1t v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9. \u1ed0ng HDPE l\u00e0 lo\u1ea1i \u1ed1ng nh\u1ef1a \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 nhi\u1ec1u th\u1ee9 hai tr\u00ean th\u1ebf gi\u1edbi sau \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC-U.<\/span><\/p>\n<figure id=\"attachment_3783\" aria-describedby=\"caption-attachment-3783\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3783 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-300x300.jpg\" alt=\"\u1ed0ng nh\u1ef1a PE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nhua-pe.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3783\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">\u1ed0ng nh\u1ef1a PE<\/span><\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"Dau_tien_su_phat_trien_cua_ong_cap_nuoc_HDPE\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>\u0110\u1ea7u ti\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">Trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc, \u1ed1ng nh\u1ef1a \u0111\u00e3 d\u1ea7n thay th\u1ebf c\u00e1c lo\u1ea1i \u1ed1ng truy\u1ec1n th\u1ed1ng nh\u01b0 \u1ed1ng gang, \u1ed1ng th\u00e9p m\u1ea1 k\u1ebdm v\u00e0 tr\u1edf th\u00e0nh lo\u1ea1i \u1ed1ng ch\u1ee7 \u0111\u1ea1o. So v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng truy\u1ec1n th\u1ed1ng, \u1ed1ng nh\u1ef1a c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i nh\u01b0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ed1ng \u0103n m\u00f2n, ch\u1ecbu d\u00f2ng n\u01b0\u1edbc th\u1ea5p, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng, gi\u00e1 th\u00e0nh r\u1ebb n\u00ean \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng k\u1ef9 thu\u1eadt \u0111\u01b0\u1eddng \u1ed1ng \u01b0a chu\u1ed9ng. \u0110\u1ed3ng th\u1eddi, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a ng\u00e0nh h\u00f3a d\u1ea7u v\u00e0 s\u1ef1 ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t nh\u1ef1a, s\u1ea3n l\u01b0\u1ee3ng \u1ed1ng nh\u1ef1a t\u0103ng nhanh, ch\u1ee7ng lo\u1ea1i s\u1ea3n ph\u1ea9m ng\u00e0y c\u00e0ng \u0111a d\u1ea1ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng HDPE l\u00e0 lo\u1ea1i \u1ed1ng nh\u1ef1a \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 nhi\u1ec1u th\u1ee9 hai tr\u00ean th\u1ebf gi\u1edbi sau \u1ed1ng tho\u00e1t n\u01b0\u1edbc PVC-U. \u1ed0ng polyetylen m\u1eadt \u0111\u1ed9 trung b\u00ecnh ho\u1eb7c cao c\u1ea5p PE80 v\u00e0 PE100 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1eabn kh\u00ed; \u1ed1ng polyetylen m\u1eadt \u0111\u1ed9 trung b\u00ecnh ho\u1eb7c cao c\u1ea5p PE80 v\u00e0 PE100 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc v\u00e0 PE63 \u0111\u00e3 d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf. V\u1ec1 cung c\u1ea5p n\u01b0\u1edbc, t\u0103ng tr\u01b0\u1edfng nhanh nh\u1ea5t l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng PE100, d\u1ef1 ki\u1ebfn \u200b\u200bt\u0103ng tr\u01b0\u1edfng h\u01a1n 10% trong n\u0103m n\u0103m t\u1edbi.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">T\u1ea1i Ch\u00e2u \u00c2u, \u1ed1ng HDPE \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng nhanh, \u1ed1ng HDPE \u0111\u00e3 d\u1ea7n thay th\u1ebf v\u1ecb th\u1ebf c\u1ee7a \u1ed1ng PVC-U v\u00e0 tr\u1edf th\u00e0nh lo\u1ea1i \u1ed1ng ti\u00eau th\u1ee5 ch\u00ednh. \u0110\u1ed3ng th\u1eddi, \u1ed1ng HDPE \u0111ang d\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean ngo\u00e0i Ch\u00e2u \u00c2u.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_Thong_so_ky_thuat_va_phuong_phap_ket_noi_cua_ong_HDPE\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>2. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i c\u1ee7a \u1ed1ng HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">\u0110\u01b0\u1eddng k\u00ednh c\u1ee7a \u1ed1ng HDPE n\u1eb1m trong kho\u1ea3ng t\u1eeb DN32 \u0111\u1ebfn DN1000, v\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh 26 c\u1ea5p. M\u1ee9c \u00e1p su\u1ea5t n\u1eb1m trong kho\u1ea3ng 0,6Mpa ~ 1,6Mpa, v\u1edbi t\u1ed5ng c\u1ed9ng 5 m\u1ee9c.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng HDPE s\u1ebd \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 190 \u00b0 C \u0111\u1ebfn 240 \u00b0 C. S\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y, hai ph\u1ea7n n\u00f3ng ch\u1ea3y c\u1ee7a \u1ed1ng (ho\u1eb7c ph\u1ee5 ki\u1ec7n \u1ed1ng) \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n v\u00e0 duy tr\u00ec d\u01b0\u1edbi \u00e1p su\u1ea5t th\u00edch h\u1ee3p. Sau khi l\u00e0m m\u00e1t, c\u1ea3 hai c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p ch\u1eafc ch\u1eafn. Do \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u1ed1ng PE kh\u00e1c v\u1edbi \u1ed1ng nh\u1ef1a PVC ch\u1eef U.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng hai ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i n\u00f3ng ch\u1ea3y b\u1eb1ng \u0111i\u1ec7n v\u00e0 n\u1ed1i n\u00f3ng ch\u1ea3y, t\u00f9y theo k\u00edch th\u01b0\u1edbc c\u1ee7a \u1ed1ng c\u00f3 th\u1ec3 chia th\u00e0nh: khi DN \u226463, k\u1ebft n\u1ed1i \u1ed5 c\u1eafm n\u00f3ng ch\u1ea3y \u0111\u00fac phun \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng; Khi DN \u2265 75, s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i n\u00f3ng ch\u1ea3y n\u00f3ng ch\u1ea3y ho\u1eb7c k\u1ebft n\u1ed1i \u1ed5 c\u1eafm \u0111i\u1ec7n nhi\u1ec7t; khi k\u1ebft n\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau, h\u00e3y s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i m\u1eb7t b\u00edch ho\u1eb7c k\u1ebft n\u1ed1i ren.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u1ec1 ph\u01b0\u01a1ng ph\u00e1p s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng \u1ed1ng m\u1edf r\u1ed9ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00f3t HDPE.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"3_Cac_linh_vuc_ung_dung_cua_HDPE\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>3. C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng HDPE ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho: h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc k\u1ef9 thu\u1eadt th\u00e0nh ph\u1ed1, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc trong nh\u00e0 trong c\u00e1c t\u00f2a nh\u00e0, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u00f4n ngo\u00e0i tr\u1eddi v\u00e0 khu d\u00e2n c\u01b0, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u00f4n trong nh\u00e0 m\u00e1y, s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng \u1ed1ng c\u0169, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng k\u1ef9 thu\u1eadt x\u1eed l\u00fd n\u01b0\u1edbc, l\u00e0m v\u01b0\u1eddn, t\u01b0\u1edbi ti\u00eau v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c v\u1ec1 \u1ed1ng n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p&#8230; Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u1ed1ng HDPE kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng n\u01b0\u1edbc n\u00f3ng.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"4_Uu_diem_cua_duong_ong_cap_nuoc_HDPE_trong_ung_dung\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>4. \u01afu \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE trong \u1ee9ng d\u1ee5ng<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng c\u1ea5p n\u01b0\u1edbc HDPE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, ch\u1ee7 y\u1ebfu l\u00e0 do ch\u00fang c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c so v\u1edbi c\u00e1c lo\u1ea1i \u1ed1ng kh\u00e1c:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. D\u1ec5 d\u00e0ng h\u00ecnh th\u00e0nh h\u1ec7 th\u1ed1ng ch\u1ed1ng th\u1ea5m kh\u00e9p k\u00edn b\u1eb1ng h\u00e0n \u0111\u1ed1i \u0111\u1ea7u v\u00e0 h\u00e0n \u0111i\u1ec7n. Khi \u0111\u1eb7t d\u1ecdc theo r\u00e3nh, kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e0o \u0111\u1eafp v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 ki\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 d\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t v\u00e0 x\u1eed l\u00fd.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n m\u1ea1nh v\u00e0 hi\u1ec7u su\u1ea5t th\u1ee7y l\u1ef1c tuy\u1ec7t v\u1eddi, kh\u00f4ng c\u1ea7n b\u1ea3o v\u1ec7 l\u1edbp ngo\u00e0i \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng ch\u00f4n. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho \u0111\u1ed9ng \u0111\u1ea5t v\u00e0 c\u00e1c khu v\u1ef1c s\u1ee5t l\u00fan \u0111\u1ea5t \u1edf c\u00e1c khu v\u1ef1c khai th\u00e1c m\u1ecf, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho \u0111\u00e1y s\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u00ecm.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. Ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc, ch\u1ed1ng \u0103n m\u00f2n b\u00ean trong, b\u00ean ngo\u00e0i v\u00e0 vi sinh v\u1eadt, ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh, v\u00e0 l\u00e0nh m\u1ea1nh. N\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t c\u00f3 t\u00ednh axit v\u00e0 ki\u1ec1m, n\u01b0\u1edbc th\u1ea3i, kh\u00ed t\u1ef1 nhi\u00ean, kh\u00ed \u0111\u1ed1t v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5. Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng s\u01b0\u01a1ng gi\u00e1. S\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c cho \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc trong nh\u00e0 v\u00e0 ngo\u00e0i tr\u1eddi.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6. Tu\u1ed5i th\u1ecd d\u00e0i, v\u1edbi tu\u1ed5i th\u1ecd h\u01a1n 50 n\u0103m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7. D\u1ec5 d\u00e0ng t\u00e1i ch\u1ebf.<\/span><\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"5_Nhung_van_de_can_chu_y_trong_viec_ung_dung_ong_cap_nuoc_HDPE\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>5. Nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u1ea7n ch\u00fa \u00fd trong vi\u1ec7c \u1ee9ng d\u1ee5ng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. N\u00ean th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p che n\u1eafng \u0111\u1ec3 \u0111\u1eb7t ngo\u00e0i tr\u1eddi n\u01a1i tho\u00e1ng gi\u00f3, n\u01a1i c\u00f3 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. \u0110\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE \u0111\u01b0\u1ee3c ch\u00f4n l\u1ea5p, \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 DN\u2264110 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t theo h\u00ecnh d\u1ea1ng ngo\u1eb1n ngo\u00e8o v\u00e0o m\u00f9a h\u00e8 v\u00e0 c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 DN\u2265110 c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i \u1ee9ng su\u1ea5t nhi\u1ec7t do \u0111\u1ee7 s\u1ee9c ch\u1ecbu \u0111\u1ea5t, do \u0111\u00f3 kh\u00f4ng c\u1ea7n d\u1ef1 tr\u1eef chi\u1ec1u d\u00e0i \u1ed1ng; trong m\u00f9a \u0111\u00f4ng th\u00ec kh\u00f4ng c\u1ea7n d\u1ef1 tr\u1eef chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng \u1ed1ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. Khi l\u1eafp \u0111\u1eb7t \u1ed1ng HDPE, n\u1ebfu kh\u00f4ng gian ho\u1ea1t \u0111\u1ed9ng qu\u00e1 nh\u1ecf (nh\u01b0 gi\u1ebfng \u0111\u01b0\u1eddng \u1ed1ng, x\u00e2y d\u1ef1ng tr\u00ean tr\u1ea7n treo, v.v.), n\u00ean s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i \u0111i\u1ec7n ph\u00e2n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. Khi \u1ed5 c\u1eafm n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, nhi\u1ec7t \u0111\u1ed9 s\u01b0\u1edfi kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 cao ho\u1eb7c qu\u00e1 l\u00e2u, v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf 210 \u00b1 10 \u2103, n\u1ebfu kh\u00f4ng s\u1ebd g\u00e2y ra qu\u00e1 nhi\u1ec1u b\u00f9n n\u00f3ng ch\u1ea3y \u0111\u00f9n ra trong c\u00e1c ph\u1ee5 ki\u1ec7n v\u00e0 l\u00e0m gi\u1ea3m \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong c\u1ee7a n\u01b0\u1edbc; khi l\u1eafp \u1ed5 c\u1eafm, ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c giao di\u1ec7n \u1ed1ng ph\u1ea3i s\u1ea1ch s\u1ebd, n\u1ebfu kh\u00f4ng s\u1ebd l\u00e0m cho \u1ed5 c\u1eafm v\u00e0 \u1ed5 c\u1eafm b\u1ecb t\u00e1ch r\u1eddi v\u00e0 r\u00f2 r\u1ec9; \u0111\u1ed3ng th\u1eddi, ch\u00fa \u00fd ki\u1ec3m so\u00e1t g\u00f3c v\u00e0 h\u01b0\u1edbng c\u1ee7a c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 tr\u00e1nh ph\u1ea3i l\u00e0m l\u1ea1i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5. Khi k\u1ebft n\u1ed1i \u0111\u1ed1i \u0111\u1ea7u n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u t\u1eeb 200 \u0111\u1ebfn 220V, n\u1ebfu \u0111i\u1ec7n \u00e1p qu\u00e1 cao, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a t\u1ea5m gia nhi\u1ec7t s\u1ebd qu\u00e1 cao, v\u00e0 \u0111i\u1ec7n \u00e1p qu\u00e1 th\u1ea5p s\u1ebd m\u00e1y g\u1eafn \u0111\u1ebf s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng; giao di\u1ec7n g\u1eafn \u0111\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef th\u1eb3ng h\u00e0ng khi l\u1eafp gh\u00e9p, n\u1ebfu kh\u00f4ng s\u1ebd g\u00e2y ra kh\u00f4ng \u0111\u1ee7 di\u1ec7n t\u00edch g\u1eafn \u0111\u1ebf, kh\u00f4ng \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n h\u00e0n v\u00e0 u\u1ed1n cong kh\u00f4ng \u0111\u00fang c\u00e1ch. Khi t\u1ea5m gia nhi\u1ec7t \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, giao di\u1ec7n \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u1eb7c t\u1ea5m gia nhi\u1ec7t c\u00f3 l\u1eabn t\u1ea1p ch\u1ea5t nh\u01b0 c\u1eb7n d\u1ea7u, c\u1eb7n b\u1ea9n &#8230; s\u1ebd l\u00e0m m\u1ed1i n\u1ed1i b\u1ecb ng\u1eaft v\u00e0 r\u00f2 r\u1ec9 n\u01b0\u1edbc, th\u1eddi gian gia nhi\u1ec7t \u0110\u1ec3 ki\u1ec3m so\u00e1t t\u1ed1t th\u1eddi gian gia nhi\u1ec7t ng\u1eafn, th\u1eddi gian h\u1ea5p th\u1ee5 nhi\u1ec7t c\u1ee7a \u1ed1ng kh\u00f4ng \u0111\u1ee7 s\u1ebd l\u00e0m cho cong m\u00f4i h\u00e0n qu\u00e1 nh\u1ecf, th\u1eddi gian gia nhi\u1ec7t qu\u00e1 l\u00e2u s\u1ebd l\u00e0m cho cong m\u00f4i h\u00e0n qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng h\u00e0n gi\u1ea3.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_3784\" aria-describedby=\"caption-attachment-3784\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3784 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-hdpe-300x300.jpg\" alt=\"\u1ed0ng n\u01b0\u1edbc HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/09\/ong-nuoc-hdpe.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3784\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">\u1ed0ng n\u01b0\u1edbc HDPE<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"So_sanh_gia_giua_ong_HDPE_va_ong_PVC-U_ong_PP-R_va_ong_composite_nhom-nhua\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>So s\u00e1nh gi\u00e1 gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PVC-U, \u1ed1ng PP-R v\u00e0 \u1ed1ng composite nh\u00f4m-nh\u1ef1a:<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng c\u1ea5p n\u01b0\u1edbc ngo\u00e0i tr\u1eddi ch\u1ee7 y\u1ebfu bao g\u1ed3m \u1ed1ng gang d\u1ebbo, \u1ed1ng th\u00e9p m\u1ea1 k\u1ebdm, \u1ed1ng c\u1ea5p n\u01b0\u1edbc PVC-U, <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-pvc\/\">\u1ed1ng nh\u1ef1a PVC<\/a><\/span>\u2026 S\u1edf d\u0129 \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng nhanh ch\u00f3ng nh\u01b0 v\u1eady l\u00e0 do \u1ed1ng HDPE c\u00f3 t\u00ednh kinh t\u1ebf v\u00e0 th\u1ef1c ti\u1ec5n cao.\u00a0<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u00ed d\u1ee5, trong m\u1ed9t d\u1ef1 \u00e1n, \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc ngo\u00e0i tr\u1eddi c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o t\u1eeb \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc th\u00e0nh ph\u1ed1 c\u00e1ch \u0111\u00f3 500m, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ea7u v\u00e0o l\u00e0 DN400, \u0111\u1ebfn ch\u1ec9 gi\u1edbi \u0111\u01b0\u1eddng \u0111\u1ecf c\u1ee7a to\u00e0 nh\u00e0, c\u00f3 hai \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u00e0o, \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1eddng k\u00ednh l\u00e0 DN300 v\u00e0 t\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a \u0111\u01b0\u1eddng v\u00f2ng ngo\u00e0i tr\u1eddi l\u00e0 kho\u1ea3ng 800 m\u00e9t. Thi\u1ebft k\u1ebf ban \u0111\u1ea7u l\u00e0 m\u1ed9t \u1ed1ng gang d\u1ebbo. Theo quy \u0111\u1ecbnh c\u1ee7a c\u00f4ng ty, c\u1ea7n so s\u00e1nh t\u00ednh kinh t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch ri\u00eang gi\u00e1 th\u00e0nh c\u1ee7a \u1ed1ng gang d\u1ebbo v\u00e0 \u1ed1ng HDPE v\u00e0 \u01b0\u1edbc t\u00ednh gi\u00e1 th\u00e0nh d\u1ef1 \u00e1n. Sau khi ph\u00e2n t\u00edch so s\u00e1nh, ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y r\u1eb1ng:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">(1) Gi\u00e1 \u1ed1ng gang d\u1ebbo l\u00e0: DN400 gi\u00e1 c\u1ee7a \u1ed1ng t\u1ed1t h\u01a1n c\u1ee7a \u1ed1ng HDPE.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(2) Do \u1ed1ng HDPE \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung n\u00f3ng n\u00ean vi\u1ec7c thi c\u00f4ng kh\u00f3 kh\u0103n v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t cao h\u01a1n kho\u1ea3ng 40% so v\u1edbi \u1ed1ng gang d\u1ebbo.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(3) Do \u1ed1ng HDPE c\u00f3 t\u00ednh linh ho\u1ea1t t\u1ed1t, c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ee5 ki\u1ec7n \u1ed1ng khi g\u1eb7p ch\u01b0\u1edbng ng\u1ea1i v\u1eadt ho\u1eb7c \u0111\u00e0o r\u00e3nh \u1ed1ng kh\u00f4ng th\u1eb3ng, nh\u01b0ng \u1ed1ng gang d\u1ebbo s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, v\u00e0 \u0111\u00f4i khi l\u00e0 khu\u1ef7u tay ho\u1eb7c ngo\u1eb1n ngo\u00e8o ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng. C\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i chuy\u1ec3n ti\u1ebfp. Theo c\u00e1ch n\u00e0y, \u1ed1ng HDPE c\u00f3 \u01b0u th\u1ebf h\u01a1n h\u1eb3n so v\u1edbi \u1ed1ng gang d\u1ebbo \u1edf ph\u1ea7n ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(4) \u1ed0ng HDPE \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng m\u1ed1i n\u1ed1i \u0111\u1ed1i \u0111\u1ea7u n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u1ec1 m\u1eb7t l\u00e0 r\u1ea5t t\u1ed1t. C\u00e1c \u1ed1ng s\u1eaft d\u1ec5 u\u1ed1n \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng c\u00e1c \u1ed5 c\u1eafm, v\u00e0 c\u00e1c tr\u1ee5 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c d\u1ea7m \u0111\u1ec3 gia c\u1ed1 \u1edf tee, khu\u1ef7u tay v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c. V\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y, chi ph\u00ed s\u1eed d\u1ee5ng \u1ed1ng gang d\u1ebbo \u0111\u01b0\u01a1ng nhi\u00ean cao h\u01a1n so v\u1edbi \u1ed1ng HDPE.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(5) \u1ed0ng HDPE kh\u00f4ng c\u1ea7n ch\u1ed1ng \u0103n m\u00f2n. N\u1ebfu l\u1ef1a ch\u1ecdn \u1ed1ng gang d\u1ebbo l\u00e0m \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc th\u00ec c\u1ea7n ph\u1ea3i x\u1eed l\u00fd ch\u1ed1ng \u0103n m\u00f2n \u1edf th\u00e0nh trong v\u00e0 th\u00e0nh ngo\u00e0i c\u1ee7a \u1ed1ng gang d\u1ebbo.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(6) Sau khi \u1ed1ng gang d\u1ebbo \u0111\u01b0\u1ee3c x\u1eed l\u00fd ch\u1ed1ng \u0103n m\u00f2n \u1edf th\u00e0nh trong v\u00e0 th\u00e0nh ngo\u00e0i c\u1ee7a \u1ed1ng, tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng l\u00e0 20 \u0111\u1ebfn 25 n\u0103m. \u1ed0ng HDPE kh\u00f4ng b\u1ecb \u0103n m\u00f2n v\u00e0 tu\u1ed5i th\u1ecd b\u00ecnh th\u01b0\u1eddng l\u00e0 50 n\u0103m.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Dac_diem_va_su_khac_biet_giua_ong_HDPE_va_ong_PE_thong_thuong_la_gi\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1ng HDPE v\u00e0 \u1ed1ng PE th\u00f4ng th\u01b0\u1eddng l\u00e0 g\u00ec?<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Trong x\u00e2y d\u1ef1ng c\u01a1 kh\u00ed, khi l\u1ef1a ch\u1ecdn \u1ed1ng ng\u01b0\u1eddi ta th\u01b0\u1eddng b\u1eaft g\u1eb7p \u1ed1ng HDPE v\u00e0 \u1ed1ng PE, hai lo\u1ea1i \u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau, \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang l\u00e0 g\u00ec?<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng HDPE: C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ed1ng polyethylene m\u1eadt \u0111\u1ed9 cao HDPE, v\u1eadt li\u1ec7u l\u00e0 &#8220;HDPE&#8221;. HDPE l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo c\u00f3 \u0111\u1ed9 k\u1ebft tinh cao, kh\u00f4ng ph\u00e2n c\u1ef1c. B\u1ec1 ngo\u00e0i c\u1ee7a HDPE ban \u0111\u1ea7u l\u00e0 m\u00e0u tr\u1eafng s\u1eefa v\u00e0 n\u00f3 trong m\u1edd \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh \u1edf ph\u1ea7n m\u1ecfng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ed0ng PE: L\u00e0 m\u1ed9t lo\u1ea1i \u1ed1ng nh\u1ef1a polyetylen, PE l\u00e0 lo\u1ea1i nh\u1ef1a c\u01a1 b\u1ea3n nh\u1ea5t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t sinh ho\u1ea1t v\u00e0 c\u00f4ng nghi\u1ec7p. \u1ed0ng PE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u1ed1ng polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p, \u1ed1ng polyethylene m\u1eadt \u0111\u1ed9 trung b\u00ecnh v\u00e0 \u1ed1ng polyethylene m\u1eadt \u0111\u1ed9 cao.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. \u1ed0ng HDPE ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i h\u1ea1t nh\u1ef1a PE c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u1edbn v\u00e0 c\u01a1 t\u00ednh t\u1ed1t nh\u01b0 h\u1ea1t nh\u1ef1a HDPE. \u0110\u1ed9 b\u1ec1n g\u1ea5p 9 l\u1ea7n so v\u1edbi \u1ed1ng polyethylene th\u00f4ng th\u01b0\u1eddng (\u1ed1ng PE).<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. Trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt, HDPE c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n r\u1ea5t t\u1ed1t. Tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u00e0ng cao th\u00ec v\u1eadt li\u1ec7u c\u00e0ng ch\u1ecbu m\u00e0i m\u00f2n, th\u1eadm ch\u00ed h\u01a1n nhi\u1ec1u v\u1eadt li\u1ec7u kim lo\u1ea1i (nh\u01b0 th\u00e9p cacbon, th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u1ed3ng,\u2026) PE th\u00f4ng th\u01b0\u1eddng kh\u00f4ng c\u00f3 \u0111\u1eb7c t\u00ednh n\u00e0y.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. \u1ed0ng HDPE l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf \u1ed1ng th\u00e9p truy\u1ec1n th\u1ed1ng v\u00e0 \u1ed1ng n\u01b0\u1edbc u\u1ed1ng PVC. \u1ed0ng PE th\u00f4ng th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. \u1ed0ng HDPE ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho: h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc k\u1ef9 thu\u1eadt th\u00e0nh ph\u1ed1, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc trong nh\u00e0 trong c\u00e1c t\u00f2a nh\u00e0, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u00f4n ngo\u00e0i tr\u1eddi v\u00e0 khu d\u00e2n c\u01b0, h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ch\u00f4n trong nh\u00e0 m\u00e1y, s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng \u1ed1ng c\u0169, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng k\u1ef9 thu\u1eadt x\u1eed l\u00fd n\u01b0\u1edbc, l\u00e0m v\u01b0\u1eddn, th\u1ee7y l\u1ee3i v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p. \u1ed0ng polyetylen m\u1eadt \u0111\u1ed9 trung b\u00ecnh ch\u1ec9 th\u00edch h\u1ee3p \u0111\u1ec3 d\u1eabn kh\u00ed nh\u00e2n t\u1ea1o d\u1ea1ng kh\u00ed, kh\u00ed t\u1ef1 nhi\u00ean v\u00e0 kh\u00ed d\u1ea7u m\u1ecf h\u00f3a l\u1ecfng. \u1ed0ng polyethylene m\u1eadt \u0111\u1ed9 th\u1ea5p l\u00e0 \u1ed1ng m\u1ec1m.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Hieu_suat_-_Tieng_on_thap\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Hi\u1ec7u su\u1ea5t &#8211; Ti\u1ebfng \u1ed3n th\u1ea5p<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table style=\"border-collapse: collapse; width: 100%; height: 263px;\">\n<tbody>\n<tr style=\"height: 26px;\">\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">S\u1ed1 th\u1ee9 t\u1ef1<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">D\u1ef1 \u00e1n<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">Y\u00eau c\u1ea7u<\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">1<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n th\u1ee7y t\u0129nh 20 \u2103 (\u1ee9ng su\u1ea5t chu vi 8.0MPa, 100h)<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">Kh\u00f4ng v\u1ee1, kh\u00f4ng r\u00f2 r\u1ec9<\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">2<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">C\u01b0\u1eddng \u0111\u1ed9 th\u1ee7y t\u0129nh 80 \u2103 (\u1ee9ng su\u1ea5t chu vi 3,5MPa, 165h)<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">Kh\u00f4ng v\u1ee1, kh\u00f4ng r\u00f2 r\u1ec9<\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">3<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">C\u01b0\u1eddng \u0111\u1ed9 th\u1ee7y t\u0129nh 80 \u2103 (\u1ee9ng su\u1ea5t chu vi 3.2MPa, 1000h)<\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span style=\"font-size: 12pt;\">Kh\u00f4ng v\u1ee1, kh\u00f4ng r\u00f2 r\u1ec9<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">4<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 gi\u00e3n d\u00e0i khi ngh\u1ec9 %<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\">\n<div class=\"para\"><span style=\"font-size: 12pt;\">\u2265350<\/span><\/div>\n<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">5<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">Co ng\u00f3t d\u1ecdc (110 \u2103),%<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\"> \u22643<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">6<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">Th\u1eddi gian c\u1ea3m \u1ee9ng oxy h\u00f3a (200 \u2103), t\u1ed1i thi\u1ec3u<\/span><\/td>\n<td style=\"width: 33.3333%; height: 26px;\"><span style=\"font-size: 12pt;\">\u226520<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Quy_trinh_su_dung_ong_nhua_HDPE_trong_cong_nghe_xay_dung\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Quy tr\u00ecnh s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE trong c\u00f4ng ngh\u1ec7 x\u00e2y d\u1ef1ng<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Quy tr\u00ecnh thi c\u00f4ng: kh\u1ea3o s\u00e1t \u2192 \u0111\u00f3ng c\u1ecdc \u2192 \u0111\u00e0o r\u00e3nh \u2192 x\u1eed l\u00fd n\u1ec1n m\u00f3ng \u2192 \u0111\u1ea5u n\u1ed1i, \u0111\u1eb7t \u1ed1ng, c\u00e2n ch\u1ec9nh \u0111\u01b0\u1eddng \u1ed1ng \u2192 l\u1ea5p l\u1ea1i r\u00e3nh \u1ed1ng \u2192 ki\u1ec3m tra kh\u1ed1i x\u00e2y, ho\u00e0n th\u1ed5 \u2192 nghi\u1ec7m thu. Ngo\u00e0i vi\u1ec7c c\u1ea5u t\u1ea1o \u1ed1ng nh\u1ef1a HDPE theo quy c\u00e1ch x\u00e2y d\u1ef1ng, c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a \u1ed1ng nh\u1ef1a HDPE c\u1ea7n ch\u00fa \u00fd m\u1ed9t s\u1ed1 \u0111i\u1ec3m sau:<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">(1) \u1ed0ng HDPE c\u00f3 t\u00ednh gi\u00e3n n\u1edf v\u00e0 co l\u1ea1i nhi\u1ec7t nghi\u00eam tr\u1ecdng, do \u0111\u00f3 \u1ed1ng HDPE n\u00ean \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u00edt ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(2) Khi \u0111\u1ed9 s\u00e2u ch\u00f4n \u1ed1ng HDPE th\u1ea5p h\u01a1n b\u1ec1 m\u1eb7t \u0111\u00e1y c\u1ee7a m\u00f3ng k\u1ebft c\u1ea5u, \u0111\u01b0\u1eddng \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea1m vi ch\u1ecbu \u00e1p l\u1ef1c c\u1ee7a g\u00f3c khu\u1ebfch t\u00e1n n\u1ec1n d\u01b0\u1edbi m\u00f3ng k\u1ebft c\u1ea5u.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(3) \u1ede nh\u1eefng n\u01a1i m\u1ef1c n\u01b0\u1edbc ng\u1ea7m cao h\u01a1n cao tr\u00ecnh \u0111\u00e1y r\u00e3nh \u0111\u00e0o, m\u1ef1c n\u01b0\u1edbc ng\u1ea7m xu\u1ed1ng th\u1ea5p h\u01a1n \u0111i\u1ec3m g\u1ea7n nh\u1ea5t \u1edf \u0111\u00e1y r\u00e3nh t\u1eeb 0,3-0,5m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(4) Khi \u0111\u00e0o r\u00e3nh \u1ed1ng, \u0111\u1ed9 s\u00e2u \u0111\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1o tr\u1ed9n l\u1edbp \u0111\u1ea5t nguy\u00ean d\u1ea1ng \u1edf d\u01b0\u1edbi \u0111\u00e1y c\u1ee7a b\u1ec7.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(5) N\u1ec1n \u0111\u01b0\u1eddng \u1ed1ng HDPE s\u1eed d\u1ee5ng n\u1ec1n c\u00e1t v\u00e0 s\u1ecfi thay v\u00ec n\u1ec1n b\u00ea t\u00f4ng, v\u00e0 \u0111\u1ed9 d\u00e0y t\u1eeb 0,05 m ~ 20 m, t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(6) Trong qu\u00e1 tr\u00ecnh \u0111\u1eb7t \u1ed1ng, \u1ed1ng \u0111\u01b0\u1ee3c h\u1ea1 xu\u1ed1ng b\u1eb1ng tay ho\u1eb7c b\u1eb1ng c\u1ea7n tr\u1ee5c, khi h\u1ea1 c\u1ea7n bu\u1ed9c ch\u1eb7t hai \u0111\u1ea7u \u1ed1ng \u1edf 1\/4 kho\u1ea3ng c\u00e1ch so v\u1edbi mi\u1ec7ng \u1ed1ng b\u1eb1ng phi d\u00e2y kim lo\u1ea1i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(7) C\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi \u0111\u1ea5t \u0111\u1eafp n\u1ec1n nghi\u00eam ng\u1eb7t h\u01a1n trong vi\u1ec7c l\u1ea5p \u0111\u1ea5t. M\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ea5t \u0111\u1eafp n\u1ec1n s\u1eed d\u1ee5ng c\u00e1t trung b\u00ecnh (th\u00f4) (\u0111\u1ecba ph\u01b0\u01a1ng g\u1ecdi l\u00e0 c\u00e1t ami\u0103ng) v\u1edbi m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt nh\u1ea5t \u0111\u1ecbnh. N\u00f3 c\u00f3 ch\u1ee9c n\u0103ng t\u1ef1 \u0111\u1ed9ng n\u00e9n ch\u1eb7t khi h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 t\u1ed1i \u01b0u, v\u00e0 \u0111\u1ea7m b\u1eb1ng m\u00e1y \u0111\u1ea7m nh\u1ecf c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ea7m.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(8) Ch\u00e8n l\u1ea5p ph\u1ea7n tr\u00ean 0,7 m t\u00ednh t\u1eeb \u0111\u1ec9nh \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u1ea5p \u0111\u1ea5t c\u01a1 h\u1ecdc. Ch\u00e8n l\u1ea5p ph\u00eda d\u01b0\u1edbi \u0111\u1ea7u \u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ed3ng th\u1eddi t\u1eeb hai b\u00ean \u1ed1ng v\u00e0 n\u00e9n ch\u1eb7t, n\u1ebfu kh\u00f4ng \u1ed1ng HDPE s\u1ebd d\u1ec5 b\u1ecb n\u00e9n kh\u00f4ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng v\u00e0 d\u1ecbch chuy\u1ec3n \u1ed1ng HDPE. Vi\u1ec7c l\u1ea5p \u0111\u1ea7y kh\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">(9) \u0110\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi gi\u1ebfng ki\u1ec3m tra. Trong ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng ban \u0111\u1ea7u, mi\u1ec7ng v\u00f2i \u0111\u01b0\u1ee3c th\u1ee5t v\u00e0o th\u00e0nh trong gi\u1ebfng ki\u1ec3m tra 0,3m \u0111\u1ebfn 0,5m, qu\u00e9t v\u00f4i v\u1eefa t\u1ea1o th\u00e0nh \u201ch\u00ecnh k\u00e8n\u201d, xung quanh \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u1eefa v\u00e0 lu l\u00e8n, sau \u0111\u00f3 l\u00e0 g\u1ea1ch. \u0110\u00e3 x\u00e2y d\u1ef1ng, nh\u01b0ng ki\u1ec3m tra n\u01b0\u1edbc k\u00edn kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #333399; font-size: 12pt;\"><em><strong> C\u00e1c v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y t\u1ed3n t\u1ea1i trong ki\u1ec3m tra: <\/strong><\/em><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. S\u1ef1 gi\u00e3n n\u1edf v\u00e0 co nhi\u1ec7t c\u1ee7a \u1ed1ng HDPE s\u1ebd l\u00e0m n\u1ee9t gi\u1ebfng ki\u1ec3m tra, d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 n\u01b0\u1edbc trong gi\u1ebfng ki\u1ec3m tra. <\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. Gi\u1ebfng ki\u1ec3m tra kh\u00f4ng b\u1ecb n\u1ee9t nh\u01b0ng vi\u1ec7c b\u1ecbt k\u00edn m\u1ed1i n\u1ed1i gi\u1eefa \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 gi\u1ebfng ki\u1ec3m tra kh\u00f4ng \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u d\u1eabn \u0111\u1ebfn th\u1ea5m, r\u00f2 r\u1ec9 n\u01b0\u1edbc.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #333399; font-size: 12pt;\"><em><strong>\u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi hai v\u1ea5n \u0111\u1ec1 tr\u00ean, c\u00e1c gi\u1ea3i ph\u00e1p sau \u0111\u01b0\u1ee3c \u0111\u01b0a ra: <\/strong><\/em><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. T\u0103ng \u0111\u1ed9 s\u00e2u ch\u00f4n l\u1ea5p c\u1ee7a \u1ed1ng HDPE, \u0111\u1ec3 \u1ed1ng HDPE \u1edf trong m\u00f4i tr\u01b0\u1eddng \u00edt thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i, \u0111\u1ed3ng th\u1eddi ch\u00e8n l\u1ea5p \u1ed1ng HDPE ngay sau khi \u0111\u1eb7t n\u00f3 v\u00e0 ho\u00e0n th\u00e0nh n\u00f3 trong m\u1ed9t th\u1eddi gian t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn. Chi\u1ec1u d\u00e0i c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"> 2. Sau khi \u0111\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng HDPE, vi\u1ec7c x\u00e2y gi\u1ebfng ki\u1ec3m tra s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh. <\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1ee9 hai, ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng m\u1ed9t l\u1ea7n n\u1eefa v\u00e0 k\u1ebft n\u1ed1i gi\u1eefa gi\u1ebfng ki\u1ec3m tra v\u00e0 \u1ed1ng HDPE \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn b\u1eb1ng s\u1ee3i n\u00f3ng ch\u1ea3y thay v\u00ec con d\u1ea5u \u0111\u00f3ng g\u00f3i b\u1eb1ng v\u1eefa ban \u0111\u1ea7u.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c \u1ed0ng nh\u1ef1a HDPEKi\u1ebfn th\u1ee9c v\u1ec1 \u1ed1ng HDPET\u00ednh ch\u1ea5t h\u00f3a h\u1ecdcT\u00ednh ch\u1ea5t v\u1eadt l\u00fdThu\u1ed9c t\u00ednh \u1ed1ng nh\u1ef1a HDPEXu h\u01b0\u1edbng s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE\u0110\u1ea7u ti\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE2. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i c\u1ee7a \u1ed1ng HDPE3. C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a HDPE4. \u01afu \u0111i\u1ec3m &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;\u1ed0ng nh\u1ef1a HDPE&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":3780,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>\u1ed0ng nh\u1ef1a HDPE - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dpm360.com\/san-pham\/ong-nhua-hdpe\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u1ed0ng nh\u1ef1a HDPE - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam\" \/>\n<meta property=\"og:description\" content=\"M\u1ee5c l\u1ee5c \u1ed0ng nh\u1ef1a HDPEKi\u1ebfn th\u1ee9c v\u1ec1 \u1ed1ng HDPET\u00ednh ch\u1ea5t h\u00f3a h\u1ecdcT\u00ednh ch\u1ea5t v\u1eadt l\u00fdThu\u1ed9c t\u00ednh \u1ed1ng nh\u1ef1a HDPEXu h\u01b0\u1edbng s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a HDPE\u0110\u1ea7u ti\u00ean, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u1ed1ng c\u1ea5p n\u01b0\u1edbc HDPE2. 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