{"id":801,"date":"2026-04-04T08:50:51","date_gmt":"2026-04-04T08:50:51","guid":{"rendered":"https:\/\/ninhson-vn.com\/?p=801"},"modified":"2026-04-04T08:51:02","modified_gmt":"2026-04-04T08:51:02","slug":"gas-burn-vet-chay-do-khi-trong-ep-nhua","status":"publish","type":"post","link":"https:\/\/ninhson-vn.com\/?p=801","title":{"rendered":"GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A"},"content":{"rendered":"<h1 data-section-id=\"ia4nkb\" data-start=\"265\" data-end=\"339\">GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A \u2013 NGUY\u00caN NH\u00c2N V\u00c0 C\u00c1CH KH\u1eaeC PH\u1ee4C<\/h1>\n<h2 data-section-id=\"19fwyxo\" data-start=\"341\" data-end=\"362\">1. Gas Burn l\u00e0 g\u00ec?<\/h2>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/d2n4wb9orp1vta.cloudfront.net\/cms\/brand\/PT\/2018-PT\/pt-1018-native-moldvac-rejectedshortshot-leadimage.jpg%3BmaxWidth%3D1200\" alt=\"https:\/\/d2n4wb9orp1vta.cloudfront.net\/cms\/brand\/PT\/2018-PT\/pt-1018-native-moldvac-rejectedshortshot-leadimage.jpg%3BmaxWidth%3D1200\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/www.elastron.com\/uploads\/in-19.png\" alt=\"https:\/\/www.elastron.com\/uploads\/in-19.png\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"406\" data-end=\"522\"><strong data-start=\"406\" data-end=\"436\">Gas Burn (v\u1ebft ch\u00e1y do kh\u00ed)<\/strong> l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n <strong data-start=\"461\" data-end=\"490\">v\u1ebft ch\u00e1y s\u1eabm m\u00e0u ho\u1eb7c \u0111en<\/strong> tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m \u00e9p nh\u1ef1a.<\/p>\n<p data-start=\"524\" data-end=\"725\">Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi <strong data-start=\"550\" data-end=\"584\">kh\u00ed b\u1ecb m\u1eafc k\u1eb9t (entrapped gas)<\/strong> trong l\u00f2ng khu\u00f4n b\u1ecb <strong data-start=\"605\" data-end=\"658\">n\u00e9n v\u1edbi \u00e1p su\u1ea5t cao trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1n \u0111\u1ea7y nh\u1ef1a<\/strong>, l\u00e0m nhi\u1ec7t \u0111\u1ed9 t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3 t\u0103ng \u0111\u1ed9t ng\u1ed9t v\u00e0 g\u00e2y ch\u00e1y b\u1ec1 m\u1eb7t nh\u1ef1a.<\/p>\n<p data-start=\"727\" data-end=\"763\">Th\u00f4ng th\u01b0\u1eddng v\u1ebft ch\u00e1y xu\u1ea5t hi\u1ec7n t\u1ea1i:<\/p>\n<ul data-start=\"765\" data-end=\"881\">\n<li data-section-id=\"bm9y5e\" data-start=\"765\" data-end=\"801\"><strong data-start=\"767\" data-end=\"801\">Cu\u1ed1i d\u00f2ng ch\u1ea3y nh\u1ef1a (flow end)<\/strong><\/li>\n<li data-section-id=\"1l54b83\" data-start=\"802\" data-end=\"828\"><strong data-start=\"804\" data-end=\"828\">G\u00f3c ch\u1ebft trong khu\u00f4n<\/strong><\/li>\n<li data-section-id=\"11zihlp\" data-start=\"829\" data-end=\"856\"><strong data-start=\"831\" data-end=\"856\">Khu v\u1ef1c tho\u00e1t kh\u00ed k\u00e9m<\/strong><\/li>\n<li data-section-id=\"mgis8x\" data-start=\"857\" data-end=\"881\"><strong data-start=\"859\" data-end=\"881\">V\u1ecb tr\u00ed nh\u1ef1a h\u1ed9i t\u1ee5<\/strong><\/li>\n<\/ul>\n<p data-start=\"883\" data-end=\"1022\">Khi kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c, Gas Burn kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn <strong data-start=\"942\" data-end=\"962\">th\u1ea9m m\u1ef9 s\u1ea3n ph\u1ea9m<\/strong> m\u00e0 c\u00f2n c\u00f3 th\u1ec3 <strong data-start=\"977\" data-end=\"1021\">l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a chi ti\u1ebft nh\u1ef1a<\/strong>.<\/p>\n<hr data-start=\"1024\" data-end=\"1027\" \/>\n<h1 data-section-id=\"elf0q\" data-start=\"1029\" data-end=\"1060\">2. C\u01a1 ch\u1ebf h\u00ecnh th\u00e0nh Gas Burn<\/h1>\n<div class=\"no-scrollbar flex min-h-36 flex-nowrap gap-0.5 overflow-auto sm:gap-1 sm:overflow-hidden xl:min-h-44 mt-1 mb-5 [&amp;:not(:first-child)]:mt-4\">\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-s-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQHDUPynKwp3vQ\/article-cover_image-shrink_720_1280\/article-cover_image-shrink_720_1280\/0\/1659938711818?e=2147483647&amp;t=FIbhdGc2mFcZQoM_Ag43lbWzrrY8VRMKLpwd1UGpGpA&amp;v=beta\" alt=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQHDUPynKwp3vQ\/article-cover_image-shrink_720_1280\/article-cover_image-shrink_720_1280\/0\/1659938711818?e=2147483647&amp;t=FIbhdGc2mFcZQoM_Ag43lbWzrrY8VRMKLpwd1UGpGpA&amp;v=beta\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)]\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQEKNQEUp4gF9w\/article-inline_image-shrink_1000_1488\/article-inline_image-shrink_1000_1488\/0\/1659939296617?e=2147483647&amp;t=Gj2yrzRs0cF2B8e6XlWnOdVxZTN0PQod2IOwI9lImp4&amp;v=beta\" alt=\"https:\/\/media.licdn.com\/dms\/image\/v2\/D5612AQEKNQEUp4gF9w\/article-inline_image-shrink_1000_1488\/article-inline_image-shrink_1000_1488\/0\/1659939296617?e=2147483647&amp;t=Gj2yrzRs0cF2B8e6XlWnOdVxZTN0PQod2IOwI9lImp4&amp;v=beta\" \/><\/div>\n<\/div>\n<\/div>\n<div class=\"border-token-border-default relative w-32 shrink-0 overflow-hidden rounded-xl border-[0.5px] md:shrink max-h-64 sm:w-[calc((100%-0.5rem)\/3)] rounded-e-xl\">\n<div class=\"group\/search-image @container\/search-image relative rounded-[inherit] h-full w-full\">\n<div><img decoding=\"async\" class=\"bg-token-main-surface-tertiary m-0 h-full w-full object-cover\" src=\"https:\/\/www.voestalpine.com\/highperformancemetals\/app\/uploads\/sites\/273\/2024\/07\/Venting-of-pockets-and-weldlines-1024x341.jpg\" alt=\"https:\/\/www.voestalpine.com\/highperformancemetals\/app\/uploads\/sites\/273\/2024\/07\/Venting-of-pockets-and-weldlines-1024x341.jpg\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1104\" data-end=\"1128\">Trong qu\u00e1 tr\u00ecnh \u00e9p phun:<\/p>\n<ol data-start=\"1130\" data-end=\"1542\">\n<li data-section-id=\"hn0fz4\" data-start=\"1130\" data-end=\"1194\">Nh\u1ef1a n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c <strong data-start=\"1153\" data-end=\"1191\">phun v\u00e0o l\u00f2ng khu\u00f4n v\u1edbi t\u1ed1c \u0111\u1ed9 cao<\/strong>.<\/li>\n<li data-section-id=\"12ar3ej\" data-start=\"1195\" data-end=\"1282\">Kh\u00f4ng kh\u00ed v\u00e0 kh\u00ed sinh ra t\u1eeb nh\u1ef1a c\u1ea7n <strong data-start=\"1235\" data-end=\"1279\">tho\u00e1t ra ngo\u00e0i qua r\u00e3nh tho\u00e1t kh\u00ed (vent)<\/strong>.<\/li>\n<li data-section-id=\"15n17h2\" data-start=\"1283\" data-end=\"1360\">N\u1ebfu kh\u00ed <strong data-start=\"1294\" data-end=\"1313\">kh\u00f4ng tho\u00e1t k\u1ecbp<\/strong>, ch\u00fang s\u1ebd b\u1ecb <strong data-start=\"1327\" data-end=\"1357\">n\u00e9n l\u1ea1i t\u1ea1i cu\u1ed1i d\u00f2ng ch\u1ea3y<\/strong>.<\/li>\n<li data-section-id=\"1pa6foz\" data-start=\"1361\" data-end=\"1443\">Qu\u00e1 tr\u00ecnh n\u00e9n nhanh l\u00e0m <strong data-start=\"1388\" data-end=\"1440\">nhi\u1ec7t \u0111\u1ed9 c\u1ee5c b\u1ed9 t\u0103ng l\u00ean r\u1ea5t cao (c\u00f3 th\u1ec3 &gt;300\u00b0C)<\/strong>.<\/li>\n<li data-section-id=\"2x2o2g\" data-start=\"1444\" data-end=\"1542\">Nhi\u1ec7t \u0111\u1ed9 cao g\u00e2y <strong data-start=\"1464\" data-end=\"1496\">ch\u00e1y nh\u1ef1a ho\u1eb7c ph\u00e2n h\u1ee7y nh\u1ef1a<\/strong>, t\u1ea1o th\u00e0nh <strong data-start=\"1508\" data-end=\"1541\">v\u1ebft ch\u00e1y tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m<\/strong>.<\/li>\n<\/ol>\n<hr data-start=\"1544\" data-end=\"1547\" \/>\n<h1 data-section-id=\"11yvv8u\" data-start=\"1549\" data-end=\"1595\">3. Nguy\u00ean nh\u00e2n g\u00e2y ra Gas Burn trong \u00e9p nh\u1ef1a<\/h1>\n<h2 data-section-id=\"3bai1p\" data-start=\"1597\" data-end=\"1646\">3.1 T\u1ed1c \u0111\u1ed9 phun qu\u00e1 cao (Fast Injection Speed)<\/h2>\n<p data-start=\"1648\" data-end=\"1721\">Khi <strong data-start=\"1652\" data-end=\"1677\">t\u1ed1c \u0111\u1ed9 phun qu\u00e1 nhanh<\/strong>, d\u00f2ng nh\u1ef1a \u0111i\u1ec1n \u0111\u1ea7y cavity qu\u00e1 nhanh khi\u1ebfn:<\/p>\n<ul data-start=\"1723\" data-end=\"1823\">\n<li data-section-id=\"1fzu2xv\" data-start=\"1723\" data-end=\"1753\">Kh\u00f4ng kh\u00ed kh\u00f4ng k\u1ecbp tho\u00e1t ra<\/li>\n<li data-section-id=\"17cabb2\" data-start=\"1754\" data-end=\"1789\">Kh\u00ed b\u1ecb n\u00e9n l\u1ea1i t\u1ea1i cu\u1ed1i d\u00f2ng ch\u1ea3y<\/li>\n<li data-section-id=\"k9s5p2\" data-start=\"1790\" data-end=\"1823\">Nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao g\u00e2y ch\u00e1y nh\u1ef1a<\/li>\n<\/ul>\n<p data-start=\"1825\" data-end=\"1922\">Ngo\u00e0i ra, n\u1ebfu <strong data-start=\"1839\" data-end=\"1884\">\u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed5i V-P (Velocity \u2192 Pressure)<\/strong> qu\u00e1 tr\u1ec5 c\u0169ng g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n<h3 data-section-id=\"oobt9h\" data-start=\"1924\" data-end=\"1957\">V\u00ed d\u1ee5 t\u1ed1c \u0111\u1ed9 phun khuy\u1ebfn ngh\u1ecb<\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1959\" data-end=\"2258\">\n<thead data-start=\"1959\" data-end=\"2018\">\n<tr data-start=\"1959\" data-end=\"2018\">\n<th class=\"\" data-start=\"1959\" data-end=\"1971\" data-col-size=\"sm\">Lo\u1ea1i nh\u1ef1a<\/th>\n<th class=\"\" data-start=\"1971\" data-end=\"1997\" data-col-size=\"sm\">T\u1ed1c \u0111\u1ed9 phun khuy\u1ebfn ngh\u1ecb<\/th>\n<th class=\"\" data-start=\"1997\" data-end=\"2018\" data-col-size=\"sm\">V\u1ecb tr\u00ed chuy\u1ec3n V-P<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2033\" data-end=\"2258\">\n<tr data-start=\"2033\" data-end=\"2088\">\n<td data-start=\"2033\" data-end=\"2049\" data-col-size=\"sm\">Duracon (POM)<\/td>\n<td data-start=\"2049\" data-end=\"2065\" data-col-size=\"sm\">\u2264 8 \u2013 19 mm\/s<\/td>\n<td data-start=\"2065\" data-end=\"2088\" data-col-size=\"sm\">90% th\u1ec3 t\u00edch cavity<\/td>\n<\/tr>\n<tr data-start=\"2089\" data-end=\"2145\">\n<td data-start=\"2089\" data-end=\"2105\" data-col-size=\"sm\">Duranex (PBT)<\/td>\n<td data-start=\"2105\" data-end=\"2122\" data-col-size=\"sm\">\u2264 16 \u2013 33 mm\/s<\/td>\n<td data-start=\"2122\" data-end=\"2145\" data-col-size=\"sm\">90% th\u1ec3 t\u00edch cavity<\/td>\n<\/tr>\n<tr data-start=\"2146\" data-end=\"2202\">\n<td data-start=\"2146\" data-end=\"2162\" data-col-size=\"sm\">Fortron (PPS)<\/td>\n<td data-start=\"2162\" data-end=\"2179\" data-col-size=\"sm\">\u2264 25 \u2013 42 mm\/s<\/td>\n<td data-start=\"2179\" data-end=\"2202\" data-col-size=\"sm\">90% th\u1ec3 t\u00edch cavity<\/td>\n<\/tr>\n<tr data-start=\"2203\" data-end=\"2258\">\n<td data-start=\"2203\" data-end=\"2218\" data-col-size=\"sm\">Vectra (LCP)<\/td>\n<td data-start=\"2218\" data-end=\"2235\" data-col-size=\"sm\">\u2264 30 \u2013 50 mm\/s<\/td>\n<td data-start=\"2235\" data-end=\"2258\" data-col-size=\"sm\">90% th\u1ec3 t\u00edch cavity<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2260\" data-end=\"2263\" \/>\n<h2 data-section-id=\"76phi8\" data-start=\"2265\" data-end=\"2315\">3.2 H\u1ec7 th\u1ed1ng tho\u00e1t kh\u00ed khu\u00f4n k\u00e9m (Poor Venting)<\/h2>\n<p data-start=\"2317\" data-end=\"2370\">\u0110\u00e2y l\u00e0 <strong data-start=\"2324\" data-end=\"2353\">nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/strong> g\u00e2y ra Gas Burn.<\/p>\n<p data-start=\"2372\" data-end=\"2398\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p th\u01b0\u1eddng g\u1eb7p:<\/p>\n<ul data-start=\"2400\" data-end=\"2556\">\n<li data-section-id=\"1pctjoh\" data-start=\"2400\" data-end=\"2425\">R\u00e3nh tho\u00e1t kh\u00ed qu\u00e1 n\u00f4ng<\/li>\n<li data-section-id=\"4qe462\" data-start=\"2426\" data-end=\"2462\">R\u00e3nh vent b\u1ecb <strong data-start=\"2441\" data-end=\"2462\">b\u00e1m nh\u1ef1a ho\u1eb7c b\u1ee5i<\/strong><\/li>\n<li data-section-id=\"dpjm6j\" data-start=\"2463\" data-end=\"2501\">S\u1ed1 l\u01b0\u1ee3ng r\u00e3nh tho\u00e1t kh\u00ed <strong data-start=\"2489\" data-end=\"2501\">kh\u00f4ng \u0111\u1ee7<\/strong><\/li>\n<li data-section-id=\"el982\" data-start=\"2502\" data-end=\"2556\">V\u1ecb tr\u00ed r\u00e3nh tho\u00e1t kh\u00ed <strong data-start=\"2526\" data-end=\"2556\">kh\u00f4ng \u0111\u1eb7t \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y<\/strong><\/li>\n<\/ul>\n<p data-start=\"2558\" data-end=\"2633\">Khi l\u01b0\u1ee3ng kh\u00ed t\u00edch t\u1ee5 qu\u00e1 nhi\u1ec1u, <strong data-start=\"2591\" data-end=\"2632\">v\u1ebft ch\u00e1y th\u01b0\u1eddng k\u00e9o d\u00e0i th\u00e0nh v\u1ec7t \u0111en<\/strong>.<\/p>\n<hr data-start=\"2635\" data-end=\"2638\" \/>\n<h2 data-section-id=\"11bkumz\" data-start=\"2640\" data-end=\"2677\">3.3 Nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a v\u00e0 khu\u00f4n qu\u00e1 cao<\/h2>\n<p data-start=\"2679\" data-end=\"2683\">N\u1ebfu:<\/p>\n<ul data-start=\"2685\" data-end=\"2741\">\n<li data-section-id=\"1j39aua\" data-start=\"2685\" data-end=\"2712\"><strong data-start=\"2687\" data-end=\"2712\">Nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a qu\u00e1 cao<\/strong><\/li>\n<li data-section-id=\"ziqtx4\" data-start=\"2713\" data-end=\"2741\"><strong data-start=\"2715\" data-end=\"2741\">Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n qu\u00e1 cao<\/strong><\/li>\n<\/ul>\n<p data-start=\"2743\" data-end=\"2841\">th\u00ec kh\u00ed trong cavity s\u1ebd <strong data-start=\"2767\" data-end=\"2805\">gi\u00e3n n\u1edf m\u1ea1nh v\u00e0 d\u1ec5 b\u1ecb ch\u00e1y khi n\u00e9n<\/strong>, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng x\u1ea3y ra Gas Burn.<\/p>\n<hr data-start=\"2843\" data-end=\"2846\" \/>\n<h2 data-section-id=\"1wi7u5a\" data-start=\"2848\" data-end=\"2882\">3.4 Thi\u1ebft k\u1ebf khu\u00f4n kh\u00f4ng h\u1ee3p l\u00fd<\/h2>\n<p data-start=\"2884\" data-end=\"2928\">M\u1ed9t s\u1ed1 l\u1ed7i thi\u1ebft k\u1ebf khu\u00f4n c\u0169ng g\u00e2y Gas Burn:<\/p>\n<ul data-start=\"2930\" data-end=\"3042\">\n<li data-section-id=\"rkivty\" data-start=\"2930\" data-end=\"2950\">\u0110\u01b0\u1eddng flow qu\u00e1 d\u00e0i<\/li>\n<li data-section-id=\"19uj5rn\" data-start=\"2951\" data-end=\"2985\">Kh\u00f4ng c\u00f3 vent t\u1ea1i cu\u1ed1i d\u00f2ng ch\u1ea3y<\/li>\n<li data-section-id=\"1mpnewp\" data-start=\"2986\" data-end=\"3009\">Gate \u0111\u1eb7t kh\u00f4ng h\u1ee3p l\u00fd<\/li>\n<li data-section-id=\"yhgqg4\" data-start=\"3010\" data-end=\"3042\">C\u00f3 nhi\u1ec1u g\u00f3c ch\u1ebft trong cavity<\/li>\n<\/ul>\n<hr data-start=\"3044\" data-end=\"3047\" \/>\n<h2 data-section-id=\"1jduuts\" data-start=\"3049\" data-end=\"3072\">3.5 Nh\u1ef1a b\u1ecb ph\u00e2n h\u1ee7y<\/h2>\n<p data-start=\"3074\" data-end=\"3123\">M\u1ed9t s\u1ed1 lo\u1ea1i nh\u1ef1a khi nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd sinh ra kh\u00ed:<\/p>\n<ul data-start=\"3125\" data-end=\"3147\">\n<li data-section-id=\"1o4onu\" data-start=\"3125\" data-end=\"3130\">POM<\/li>\n<li data-section-id=\"1o4obx\" data-start=\"3131\" data-end=\"3136\">PVC<\/li>\n<li data-section-id=\"yhmu2j\" data-start=\"3137\" data-end=\"3141\">PC<\/li>\n<li data-section-id=\"1o4feg\" data-start=\"3142\" data-end=\"3147\">ABS<\/li>\n<\/ul>\n<p data-start=\"3149\" data-end=\"3225\">N\u1ebfu nh\u1ef1a <strong data-start=\"3158\" data-end=\"3179\">b\u1ecb ph\u00e2n h\u1ee7y nhi\u1ec7t<\/strong>, l\u01b0\u1ee3ng kh\u00ed sinh ra nhi\u1ec1u h\u01a1n v\u00e0 g\u00e2y Gas Burn.<\/p>\n<hr data-start=\"3227\" data-end=\"3230\" \/>\n<h1 data-section-id=\"1ablf4u\" data-start=\"3232\" data-end=\"3265\">4. Gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c Gas Burn<\/h1>\n<h2 data-section-id=\"o6a8rn\" data-start=\"3267\" data-end=\"3290\">4.1 Gi\u1ea3m t\u1ed1c \u0111\u1ed9 phun<\/h2>\n<p data-start=\"3292\" data-end=\"3373\">Do nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 <strong data-start=\"3316\" data-end=\"3336\">kh\u00ed b\u1ecb n\u00e9n nhanh<\/strong>, n\u00ean vi\u1ec7c <strong data-start=\"3347\" data-end=\"3367\">gi\u1ea3m t\u1ed1c \u0111\u1ed9 phun<\/strong> gi\u00fap:<\/p>\n<ul data-start=\"3375\" data-end=\"3433\">\n<li data-section-id=\"1fuh9ib\" data-start=\"3375\" data-end=\"3393\">Kh\u00ed tho\u00e1t ra k\u1ecbp<\/li>\n<li data-section-id=\"14t767p\" data-start=\"3394\" data-end=\"3413\">Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u00e9n<\/li>\n<li data-section-id=\"1emx78e\" data-start=\"3414\" data-end=\"3433\">H\u1ea1n ch\u1ebf ch\u00e1y nh\u1ef1a<\/li>\n<\/ul>\n<p data-start=\"3435\" data-end=\"3451\">Ngo\u00e0i ra c\u00f3 th\u1ec3:<\/p>\n<ul data-start=\"3453\" data-end=\"3519\">\n<li data-section-id=\"b4zt1k\" data-start=\"3453\" data-end=\"3480\">Phun <strong data-start=\"3460\" data-end=\"3480\">nhi\u1ec1u c\u1ea5p t\u1ed1c \u0111\u1ed9<\/strong><\/li>\n<li data-section-id=\"1wbl7a2\" data-start=\"3481\" data-end=\"3519\">\u0110i\u1ec1u ch\u1ec9nh <strong data-start=\"3494\" data-end=\"3519\">V-P switching s\u1edbm h\u01a1n<\/strong><\/li>\n<\/ul>\n<hr data-start=\"3521\" data-end=\"3524\" \/>\n<h2 data-section-id=\"1eu8ws7\" data-start=\"3526\" data-end=\"3567\">4.2 C\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng tho\u00e1t kh\u00ed khu\u00f4n<\/h2>\n<p data-start=\"3569\" data-end=\"3597\">C\u1ea7n ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n<h3 data-section-id=\"1kd50j1\" data-start=\"3599\" data-end=\"3629\">1. Ki\u1ec3m tra r\u00e3nh tho\u00e1t kh\u00ed<\/h3>\n<ul data-start=\"3631\" data-end=\"3688\">\n<li data-section-id=\"a4yp9z\" data-start=\"3631\" data-end=\"3653\">C\u00f3 b\u1ecb b\u00e1m nh\u1ef1a kh\u00f4ng<\/li>\n<li data-section-id=\"1xsowmg\" data-start=\"3654\" data-end=\"3688\">C\u00f3 b\u1ecb t\u1eafc b\u1edfi b\u1ee5i ho\u1eb7c d\u1ea7u kh\u00f4ng<\/li>\n<\/ul>\n<h3 data-section-id=\"1ra6bqa\" data-start=\"3690\" data-end=\"3727\">2. T\u0103ng k\u00edch th\u01b0\u1edbc r\u00e3nh tho\u00e1t kh\u00ed<\/h3>\n<p data-start=\"3729\" data-end=\"3742\">Th\u00f4ng th\u01b0\u1eddng:<\/p>\n<ul data-start=\"3744\" data-end=\"3812\">\n<li data-section-id=\"5ywlaf\" data-start=\"3744\" data-end=\"3779\"><strong data-start=\"3746\" data-end=\"3762\">\u0110\u1ed9 s\u00e2u vent:<\/strong> 0.01 \u2013 0.03 mm<\/li>\n<li data-section-id=\"1b4cnda\" data-start=\"3780\" data-end=\"3812\"><strong data-start=\"3782\" data-end=\"3802\">Chi\u1ec1u r\u1ed9ng vent:<\/strong> 3 \u2013 10 mm<\/li>\n<\/ul>\n<h3 data-section-id=\"bgmwlq\" data-start=\"3814\" data-end=\"3849\">3. T\u0103ng s\u1ed1 l\u01b0\u1ee3ng r\u00e3nh tho\u00e1t kh\u00ed<\/h3>\n<p data-start=\"3851\" data-end=\"3864\">\u0110\u1eb7c bi\u1ec7t t\u1ea1i:<\/p>\n<ul data-start=\"3866\" data-end=\"3928\">\n<li data-section-id=\"9182a0\" data-start=\"3866\" data-end=\"3882\">Cu\u1ed1i d\u00f2ng ch\u1ea3y<\/li>\n<li data-section-id=\"bp5hxv\" data-start=\"3883\" data-end=\"3894\">G\u00f3c khu\u00f4n<\/li>\n<li data-section-id=\"8yz62s\" data-start=\"3895\" data-end=\"3928\">Khu v\u1ef1c giao nhau c\u1ee7a d\u00f2ng nh\u1ef1a<\/li>\n<\/ul>\n<h3 data-section-id=\"1iz7vqq\" data-start=\"3930\" data-end=\"3957\">4. \u0110\u1eb7t vent \u0111\u00fang v\u1ecb tr\u00ed<\/h3>\n<p data-start=\"3959\" data-end=\"4018\">Vent ch\u1ec9 hi\u1ec7u qu\u1ea3 khi \u0111\u1eb7t t\u1ea1i <strong data-start=\"3989\" data-end=\"4017\">\u0111i\u1ec3m cu\u1ed1i d\u00f2ng ch\u1ea3y nh\u1ef1a<\/strong>.<\/p>\n<hr data-start=\"4020\" data-end=\"4023\" \/>\n<h2 data-section-id=\"l4l6tc\" data-start=\"4025\" data-end=\"4068\">4.3 Gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a v\u00e0 nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/h2>\n<p data-start=\"4070\" data-end=\"4081\">\u0110i\u1ec1u ch\u1ec9nh:<\/p>\n<ul data-start=\"4083\" data-end=\"4135\">\n<li data-section-id=\"d9f1va\" data-start=\"4083\" data-end=\"4100\">Nhi\u1ec7t \u0111\u1ed9 barrel<\/li>\n<li data-section-id=\"5m21w4\" data-start=\"4101\" data-end=\"4118\">Nhi\u1ec7t \u0111\u1ed9 nozzle<\/li>\n<li data-section-id=\"17a3ypc\" data-start=\"4119\" data-end=\"4135\">Nhi\u1ec7t \u0111\u1ed9 khu\u00f4n<\/li>\n<\/ul>\n<p data-start=\"4137\" data-end=\"4151\">Vi\u1ec7c n\u00e0y gi\u00fap:<\/p>\n<ul data-start=\"4153\" data-end=\"4201\">\n<li data-section-id=\"16ya0lb\" data-start=\"4153\" data-end=\"4177\">Gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed sinh ra<\/li>\n<li data-section-id=\"3gtbgv\" data-start=\"4178\" data-end=\"4201\">H\u1ea1n ch\u1ebf ph\u00e2n h\u1ee7y nh\u1ef1a<\/li>\n<\/ul>\n<hr data-start=\"4203\" data-end=\"4206\" \/>\n<h2 data-section-id=\"1lg4hpg\" data-start=\"4208\" data-end=\"4236\">4.4 T\u1ed1i \u01b0u thi\u1ebft k\u1ebf khu\u00f4n<\/h2>\n<p data-start=\"4238\" data-end=\"4264\">M\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p thi\u1ebft k\u1ebf:<\/p>\n<ul data-start=\"4266\" data-end=\"4361\">\n<li data-section-id=\"1guxeda\" data-start=\"4266\" data-end=\"4286\">Th\u00eam <strong data-start=\"4273\" data-end=\"4286\">vent slot<\/strong><\/li>\n<li data-section-id=\"1roz9og\" data-start=\"4287\" data-end=\"4309\">S\u1eed d\u1ee5ng <strong data-start=\"4297\" data-end=\"4309\">vent pin<\/strong><\/li>\n<li data-section-id=\"1itn99p\" data-start=\"4310\" data-end=\"4334\">B\u1ed1 tr\u00ed <strong data-start=\"4319\" data-end=\"4334\">gate h\u1ee3p l\u00fd<\/strong><\/li>\n<li data-section-id=\"1exs6t9\" data-start=\"4335\" data-end=\"4361\">Gi\u1ea3m chi\u1ec1u d\u00e0i d\u00f2ng ch\u1ea3y<\/li>\n<\/ul>\n<hr data-start=\"4363\" data-end=\"4366\" \/>\n<h1 data-section-id=\"l1q147\" data-start=\"4368\" data-end=\"4381\">5. K\u1ebft lu\u1eadn<\/h1>\n<p data-start=\"4383\" data-end=\"4513\"><strong data-start=\"4383\" data-end=\"4413\">Gas Burn (v\u1ebft ch\u00e1y do kh\u00ed)<\/strong> l\u00e0 l\u1ed7i ph\u1ed5 bi\u1ebfn trong s\u1ea3n xu\u1ea5t \u00e9p nh\u1ef1a, th\u01b0\u1eddng x\u1ea3y ra do <strong data-start=\"4471\" data-end=\"4510\">kh\u00ed b\u1ecb n\u00e9n nhanh t\u1ea1i cu\u1ed1i d\u00f2ng ch\u1ea3y<\/strong>.<\/p>\n<p data-start=\"4515\" data-end=\"4545\">C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh bao g\u1ed3m:<\/p>\n<ul data-start=\"4547\" data-end=\"4669\">\n<li data-section-id=\"1bsws6l\" data-start=\"4547\" data-end=\"4570\">T\u1ed1c \u0111\u1ed9 phun qu\u00e1 cao<\/li>\n<li data-section-id=\"1cdi5oo\" data-start=\"4571\" data-end=\"4603\">H\u1ec7 th\u1ed1ng tho\u00e1t kh\u00ed khu\u00f4n k\u00e9m<\/li>\n<li data-section-id=\"8v7h3s\" data-start=\"4604\" data-end=\"4638\">Nhi\u1ec7t \u0111\u1ed9 nh\u1ef1a v\u00e0 khu\u00f4n qu\u00e1 cao<\/li>\n<li data-section-id=\"eedabh\" data-start=\"4639\" data-end=\"4669\">Thi\u1ebft k\u1ebf khu\u00f4n ch\u01b0a t\u1ed1i \u01b0u<\/li>\n<\/ul>\n<p data-start=\"4671\" data-end=\"4806\">\u0110\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 c\u1ea7n <strong data-start=\"4697\" data-end=\"4762\">k\u1ebft h\u1ee3p \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng s\u1ed1 m\u00e1y \u00e9p v\u00e0 c\u1ea3i ti\u1ebfn thi\u1ebft k\u1ebf khu\u00f4n<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong data-start=\"4776\" data-end=\"4805\">t\u1ed1i \u01b0u h\u1ec7 th\u1ed1ng tho\u00e1t kh\u00ed<\/strong>.<\/p>\n<p data-start=\"5025\" data-end=\"5136\"><span style=\"color: #d83131\"><strong><a style=\"color: #d83131\" href=\"https:\/\/ninhson-vn.com\/?p=772\">Click \u0111\u1ec3 tham kh\u1ea3o th\u00eam L\u1ed7i Loang m\u00e0u tr\u00ean s\u1ea3n ph\u1ea9m nh\u1ef1a<\/a><\/strong><\/span><\/p>\n<p data-start=\"5025\" data-end=\"5136\"><span style=\"color: #d83131\"><strong><a style=\"color: #d83131\" href=\"https:\/\/www.tan-star.com\/\">Click \u0111\u00ear tham kh\u1ea3o th\u00eam Xilanh tr\u1ee5c v\u00edt Tanstar cho m\u00e1y \u00e9p nh\u1ef1a<\/a><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A \u2013 NGUY\u00caN NH\u00c2N V\u00c0 C\u00c1CH KH\u1eaeC PH\u1ee4C 1. Gas Burn l\u00e0 g\u00ec? Gas Burn (v\u1ebft ch\u00e1y do kh\u00ed) l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n v\u1ebft ch\u00e1y s\u1eabm m\u00e0u ho\u1eb7c \u0111en tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m \u00e9p nh\u1ef1a. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi kh\u00ed b\u1ecb m\u1eafc k\u1eb9t&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":802,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.2 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A - C\u00d4NG TY TNHH TH\u01af\u01a0NG M\u1ea0I D\u1ecaCH V\u1ee4 V\u00c0 S\u1ea2N PH\u1ea8M NINH S\u01a0N<\/title>\n<meta name=\"description\" content=\"Gas Burn (v\u1ebft ch\u00e1y do kh\u00ed) x\u1ea3y ra khi kh\u00ed b\u1ecb m\u1eafc k\u1eb9t (entrapped gas) trong l\u00f2ng khu\u00f4n b\u1ecb n\u00e9n v\u1edbi \u00e1p su\u1ea5t cao trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1n \u0111\u1ea7y nh\u1ef1a.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A\" \/>\n<meta property=\"og:description\" content=\"Gas Burn (v\u1ebft ch\u00e1y do kh\u00ed) x\u1ea3y ra khi kh\u00ed b\u1ecb m\u1eafc k\u1eb9t (entrapped gas) trong l\u00f2ng khu\u00f4n b\u1ecb n\u00e9n v\u1edbi \u00e1p su\u1ea5t cao trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1n \u0111\u1ea7y nh\u1ef1a.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ninhson-vn.com\/?p=801\" \/>\n<meta property=\"og:site_name\" content=\"C\u00d4NG TY TNHH TH\u01af\u01a0NG M\u1ea0I D\u1ecaCH V\u1ee4 V\u00c0 S\u1ea2N PH\u1ea8M NINH S\u01a0N\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-04T08:50:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-04T08:51:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ninhson-vn.com\/wp-content\/uploads\/Chay.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ninhson-vn.com\/?p=801\",\"url\":\"https:\/\/ninhson-vn.com\/?p=801\",\"name\":\"GAS BURN (V\u1ebeT CH\u00c1Y DO KH\u00cd) TRONG \u00c9P NH\u1ef0A - 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