{"id":7223,"date":"2026-06-24T18:36:29","date_gmt":"2026-06-24T10:36:29","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=7223"},"modified":"2026-06-26T15:43:11","modified_gmt":"2026-06-26T07:43:11","slug":"how-to-select-a-chemical-pressure-vessel-materials-wall-thickness-and-fabrication-requirements","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/how-to-select-a-chemical-pressure-vessel-materials-wall-thickness-and-fabrication-requirements\/","title":{"rendered":"C\u00e1ch l\u1ef1a ch\u1ecdn b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t h\u00f3a ch\u1ea5t: V\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 y\u00eau c\u1ea7u ch\u1ebf t\u1ea1o"},"content":{"rendered":"<h1><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-7225\" src=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements.webp\" alt=\"C\u00e1ch l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 y\u00eau c\u1ea7u ch\u1ebf t\u1ea1o cho b\u00ecnh \u00e1p su\u1ea5t h\u00f3a ch\u1ea5t.\" width=\"1200\" height=\"900\" srcset=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements.webp 1200w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements-300x225.webp 300w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements-1024x768.webp 1024w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements-768x576.webp 768w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements-16x12.webp 16w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/How-to-Select-a-Chemical-Pressure-Vessel-Materials-Wall-Thickness-and-Fabrication-Requirements-600x450.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/h1>\n<p>&nbsp;<\/p>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u00ecnh ch\u1ecbu \u00e1p su\u1ea5t h\u00f3a ch\u1ea5t cho m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n ho\u1eb7c \u00e1p su\u1ea5t cao l\u00e0 m\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng nh\u1ea5t trong m\u1ed9t d\u1ef1 \u00e1n nh\u00e0 m\u00e1y \u2014 v\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i khi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb t\u00f9y ch\u1ec9nh nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t, b\u1ec3 ch\u1ee9a, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 th\u00e1p \u00e1p su\u1ea5t,<span style=\"color: #0000ff;\"> <a style=\"color: #0000ff;\" href=\"https:\/\/www.chinanhd.com\/vi\/product-category\/pressure-vessel-series\/\"><strong><u><b>D\u00f2ng b\u00ecnh \u00e1p su\u1ea5t NHD<\/b><\/u><\/strong><\/a><\/span>\u00a0Cung c\u1ea5p cho ng\u01b0\u1eddi mua m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu th\u1ef1c t\u1ebf \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n<h2><strong>X\u00e1c nh\u1eadn c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh tr\u01b0\u1edbc khi ch\u1ecdn lo\u1ea1i b\u00ecnh ch\u1ee9a.<\/strong><\/h2>\n<h3><strong><b>Th\u00e0nh ph\u1ea7n m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u ki\u1ec7n pha<\/b><\/strong><\/h3>\n<p>H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n b\u00ean trong b\u00ecnh ch\u1ee9a, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u00ean c\u1ee7a b\u00ecnh. Ch\u1ea5t l\u1ecfng, h\u1ed7n h\u1ee3p s\u1ec7t, h\u1ed7n h\u1ee3p kh\u00ed-l\u1ecfng, d\u00f2ng axit, d\u00f2ng ki\u1ec1m ho\u1eb7c huy\u1ec1n ph\u00f9 m\u00e0i m\u00f2n c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn c\u00e1c h\u1ee3p kim, v\u00f2i phun v\u00e0 gio\u0103ng kh\u00e1c nhau. C\u00f9ng v\u1edbi t\u00ean s\u1ea3n ph\u1ea9m, ng\u01b0\u1eddi mua c\u1ea7n xem x\u00e9t ph\u1ea1m vi n\u1ed3ng \u0111\u1ed9, h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn, m\u1eadt \u0111\u1ed9, \u0111\u1ed9 nh\u1edbt, h\u00ecnh d\u1ea1ng h\u1ea1t, m\u1ee9c \u0111\u1ed9 clorua v\u00e0 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o x\u1ea3y ra trong qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng ho\u1eb7c l\u00e0m s\u1ea1ch.<\/p>\n<h3><strong><b>\u00c1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf<\/b><\/strong><\/h3>\n<p>\u00c1p su\u1ea5t thi\u1ebft k\u1ebf v\u00e0 nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf kh\u00f4ng gi\u1ed1ng v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb v\u1eadn h\u00e0nh h\u00e0ng ng\u00e0y. Qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng, v\u1ec7 sinh, s\u1ef1 c\u1ed1 v\u00e0 c\u00e1c \u0111\u1ec9nh ph\u1ea3n \u1ee9ng theo l\u00f4 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ea9y t\u1ea3i tr\u1ecdng v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi b\u00ecnh th\u01b0\u1eddng. C\u01a1 s\u1edf thi\u1ebft k\u1ebf kh\u00f4ng r\u00f5 r\u00e0ng d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i v\u1ec1 \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng, c\u1ea5p m\u1eb7t b\u00edch, l\u1ef1a ch\u1ecdn gio\u0103ng v\u00e0 k\u1ebf ho\u1ea1ch th\u1eed nghi\u1ec7m th\u1ee7y t\u0129nh.<\/p>\n<h3><strong><b>Ph\u1ea3n \u1ee9ng theo m\u1ebb ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c<\/b><\/strong><\/h3>\n<p>L\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t d\u00f9ng trong s\u1ea3n xu\u1ea5t theo m\u1ebb c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c v\u1edbi b\u00ecnh ch\u1ee9a ho\u1eb7c b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. S\u1ea3n xu\u1ea5t theo m\u1ebb th\u01b0\u1eddng bao g\u1ed3m h\u1ec7 th\u1ed1ng khu\u1ea5y tr\u1ed9n, \u00e1o gia nhi\u1ec7t ho\u1eb7c l\u00e0m m\u00e1t, \u1ed1ng d\u1eabn b\u00ean trong, c\u1eeda th\u0103m, c\u1ed5ng n\u1ea1p li\u1ec7u, l\u1ed7 th\u00f4ng h\u01a1i v\u00e0 l\u1ed1i ti\u1ebfp c\u1eadn \u0111\u1ec3 v\u1ec7 sinh. S\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c th\u01b0\u1eddng ch\u00fa tr\u1ecdng h\u01a1n \u0111\u1ebfn c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u1ed5n \u0111\u1ecbnh, h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc, thi\u1ebft b\u1ecb \u0111o v\u00e0 kho\u1ea3ng kh\u00f4ng gian b\u1ea3o tr\u00ec.<\/p>\n<h3><strong>T\u1ea7n su\u1ea5t v\u1ec7 sinh v\u00e0 b\u1ea3o tr\u00ec<\/strong><\/h3>\n<p>T\u1ea7n su\u1ea5t v\u1ec7 sinh r\u1ea5t d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. M\u1ed9t b\u1ed3n ch\u1ee9a \u0111\u01b0\u1ee3c r\u1eeda b\u1eb1ng n\u01b0\u1edbc, dung m\u00f4i, h\u01a1i n\u01b0\u1edbc, axit ho\u1eb7c dung d\u1ecbch ki\u1ec1m c\u00f3 th\u1ec3 c\u1ea7n c\u00e1c lo\u1ea1i \u1ed1ng tho\u00e1t n\u01b0\u1edbc, c\u1eeda phun, k\u00edch th\u01b0\u1edbc c\u1eeda th\u0103m, l\u1edbp ho\u00e0n thi\u1ec7n b\u00ean trong, v\u1eadt li\u1ec7u gio\u0103ng v\u00e0 dung sai \u0103n m\u00f2n kh\u00e1c nhau. Tr\u01b0\u1edbc khi x\u00e1c \u0111\u1ecbnh lo\u1ea1i b\u1ed3n ch\u1ee9a, ng\u01b0\u1eddi mua n\u00ean n\u00eau r\u00f5 li\u1ec7u d\u00e2y chuy\u1ec1n ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, theo m\u1ebb hay v\u1edbi chu k\u1ef3 v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean.<\/p>\n<h3><strong><b>Danh s\u00e1ch ki\u1ec3m tra d\u1eef li\u1ec7u y\u00eau c\u1ea7u b\u00e1o gi\u00e1<\/b><\/strong><\/h3>\n<p>Tr\u01b0\u1edbc khi g\u1eedi y\u00eau c\u1ea7u b\u00e1o gi\u00e1, ng\u01b0\u1eddi mua c\u1ea7n thu th\u1eadp \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00f4ng tin k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i: b\u1ea3ng d\u1eef li\u1ec7u v\u1eadt li\u1ec7u, s\u01a1 \u0111\u1ed3 P&amp;ID, \u00e1p su\u1ea5t thi\u1ebft k\u1ebf, nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf, \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh, th\u00e0nh ph\u1ea7n m\u00f4i ch\u1ea5t, dung sai \u0103n m\u00f2n m\u1ee5c ti\u00eau, b\u1ea3ng k\u00ea v\u00f2i phun, nhu c\u1ea7u khu\u1ea5y tr\u1ed9n ho\u1eb7c trao \u0111\u1ed5i nhi\u1ec7t, \u0111\u1ed9 cao c\u00f4ng tr\u00ecnh, gi\u1edbi h\u1ea1n n\u1ec1n m\u00f3ng, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn n\u00e2ng h\u1ea1, m\u00e3 ki\u1ec3m tra v\u00e0 quy t\u1eafc b\u00e0n giao t\u00e0i li\u1ec7u. N\u1ebfu thi\u1ebfu nh\u1eefng chi ti\u1ebft n\u00e0y, b\u00e1o gi\u00e1 b\u00ecnh \u00e1p l\u1ef1c c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 tr\u00f4ng c\u00f3 v\u1ebb h\u1ee3p l\u00fd v\u1ec1 gi\u00e1 c\u1ea3 nh\u01b0ng r\u1ee7i ro k\u1ef9 thu\u1eadt th\u1ef1c s\u1ef1 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n<h2><strong><b>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi nguy c\u01a1 \u0103n m\u00f2n.<\/b><\/strong><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-7224\" src=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Custom-Chemical-Pressure-Vessel-Fabrication-and-Nozzle-Layout.webp\" alt=\"\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Custom-Chemical-Pressure-Vessel-Fabrication-and-Nozzle-Layout.webp 600w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Custom-Chemical-Pressure-Vessel-Fabrication-and-Nozzle-Layout-300x200.webp 300w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Custom-Chemical-Pressure-Vessel-Fabrication-and-Nozzle-Layout-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><strong><b>Kim lo\u1ea1i c\u01a1 b\u1ea3n v\u00e0 dung sai \u0103n m\u00f2n<\/b><\/strong><\/h3>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u n\u00ean d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf \u2014 m\u00f4i tr\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9, t\u1ea1p ch\u1ea5t, \u00e1p su\u1ea5t v\u00e0 ng\u00e2n s\u00e1ch \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i th\u00f3i quen hay kinh nghi\u1ec7m mua h\u00e0ng tr\u01b0\u1edbc \u0111\u00e2y. Th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p song pha, titan, zirconium, h\u1ee3p kim niken, th\u00e9p carbon tr\u00e1ng ph\u1ee7 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t \u0111\u1ec1u c\u00f3 v\u1ecb tr\u00ed ri\u00eang c\u1ee7a ch\u00fang. Trong m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u1eafc nghi\u1ec7t, chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p nh\u1ea5t th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn chi ph\u00ed d\u00e0i h\u1ea1n cao nh\u1ea5t.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"217\">V\u1eadt li\u1ec7u<\/td>\n<td width=\"217\">Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td width=\"217\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Th\u00e9p cacbon<\/td>\n<td width=\"217\">th\u1ea5p<\/td>\n<td width=\"217\">N\u01b0\u1edbc, h\u00f3a ch\u1ea5t nh\u1eb9<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">SS304<\/td>\n<td width=\"217\">Trung b\u00ecnh<\/td>\n<td width=\"217\">X\u1eed l\u00fd h\u00f3a ch\u1ea5t t\u1ed5ng qu\u00e1t<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">SS316L<\/td>\n<td width=\"217\">cao<\/td>\n<td width=\"217\">M\u00f4i tr\u01b0\u1eddng ch\u1ee9a clorua<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Th\u00e9p kh\u00f4ng g\u1ec9 song pha<\/td>\n<td width=\"217\">R\u1ea5t cao<\/td>\n<td width=\"217\">H\u00f3a ch\u1ea5t bi\u1ec3n v\u00e0 h\u00f3a ch\u1ea5t \u0103n m\u00f2n<\/td>\n<\/tr>\n<tr>\n<td width=\"217\">Hastelloy<\/td>\n<td width=\"217\">Xu\u1ea5t s\u1eafc<\/td>\n<td width=\"217\">D\u1ecbch v\u1ee5 axit m\u1ea1nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong><b>M\u00f4i tr\u01b0\u1eddng axit ho\u1eb7c ki\u1ec1m<\/b><\/strong><\/h3>\n<p>M\u00f4i tr\u01b0\u1eddng axit kh\u00f4ng ch\u1ec9 d\u1eabn \u0111\u1ebfn m\u1ed9t l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u duy nh\u1ea5t. Axit sulfuric, axit clohydric, axit phosphoric, axit nitric v\u00e0 c\u00e1c h\u1ec7 axit h\u1ed7n h\u1ee3p c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau khi n\u1ed3ng \u0111\u1ed9 v\u00e0 nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i. M\u00f4i tr\u01b0\u1eddng ki\u1ec1m c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng m\u1ed9t s\u1ed1 h\u1ee3p kim \u1edf nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c khi c\u00f3 t\u1ea1p ch\u1ea5t. M\u00f4 t\u1ea3 r\u00f5 r\u00e0ng v\u1ec1 m\u00f4i tr\u01b0\u1eddng s\u1ebd h\u1eefu \u00edch h\u01a1n l\u00e0 ch\u1ec9 n\u00eau t\u00ean s\u1ea3n ph\u1ea9m chung chung.<\/p>\n<p>Khi \u0103n m\u00f2n do axit \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00e0 m\u1ed9t trong nh\u1eefng r\u1ee7i ro ch\u00ednh, ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c t\u00f9y ch\u1ecdn v\u1eadt li\u1ec7u NHD nh\u01b0...<span style=\"color: #0000ff;\"> <a style=\"color: #0000ff;\" href=\"https:\/\/www.chinanhd.com\/vi\/product\/2867\/\"><strong><u><b>Th\u00e9p kh\u00f4ng g\u1ec9 silicon cao HD-1<\/b><\/u><\/strong><\/a>.<\/span> D\u1eef li\u1ec7u quy tr\u00ecnh v\u1eabn quy\u1ebft \u0111\u1ecbnh l\u1ed9 tr\u00ecnh cu\u1ed1i c\u00f9ng. Tuy nhi\u00ean, vi\u1ec7c cung c\u1ea5p n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, th\u00f4ng tin v\u1ec1 t\u1ea1p ch\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m s\u1ea1ch \u1edf giai \u0111o\u1ea1n y\u00eau c\u1ea7u b\u00e1o gi\u00e1 gi\u00fap nh\u00e0 cung c\u1ea5p l\u00e0m vi\u1ec7c d\u1ef1a tr\u00ean b\u1eb1ng ch\u1ee9ng thay v\u00ec gi\u1ea3 \u0111\u1ecbnh.<\/p>\n<h3><strong><b>C\u00e1c th\u00e0nh ph\u1ea7n clorua v\u00e0 ch\u1ea5t m\u00e0i m\u00f2n<\/b><\/strong><\/h3>\n<p>C\u00e1c ch\u1ea5t r\u1eafn ch\u1ee9a clorua v\u00e0 ch\u1ea5t m\u00e0i m\u00f2n c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t ri\u00eang. Clorua c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n r\u1ed7 ho\u1eb7c \u0103n m\u00f2n do \u1ee9ng su\u1ea5t ngay c\u1ea3 khi m\u00f4i tr\u01b0\u1eddng ch\u00ednh tr\u00f4ng c\u00f3 v\u1ebb nh\u1eb9 tr\u00ean l\u00fd thuy\u1ebft. C\u00e1c h\u1ea1t r\u1eafn, tinh th\u1ec3 v\u00e0 d\u00f2ng ch\u1ea3y b\u00f9n c\u00f3 th\u1ec3 g\u00e2y x\u00f3i m\u00f2n xung quanh v\u00f2i phun, khu v\u1ef1c khu\u1ea5y, c\u1eeda tho\u00e1t v\u00e0 c\u00e1c kh\u00fac u\u1ed1n. Nh\u1eefng \u0111i\u1ec3m n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, dung sai \u0103n m\u00f2n, c\u00e1c t\u00f9y ch\u1ecdn l\u1edbp l\u00f3t v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n<h3><strong><b>L\u1edbp l\u00f3t ho\u1eb7c l\u1edbp ph\u1ee7 b\u00ean trong<\/b><\/strong><\/h3>\n<p>B\u00ecnh \u00e1p su\u1ea5t ch\u1ebf t\u1ea1o ri\u00eang c\u00f3 th\u1ec3 y\u00eau c\u1ea7u l\u1edbp l\u00f3t b\u00ean trong, l\u1edbp ph\u1ee7, t\u1ea5m \u1ed1p ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t ti\u1ebfp x\u00fac v\u1edbi m\u00f4i ch\u1ea5t. Vi\u1ec7c l\u1ef1a ch\u1ecdn n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng d\u1ef1a tr\u00ean nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh, ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 s\u1eeda ch\u1eefa v\u00e0 nhu c\u1ea7u ki\u1ec3m tra. L\u1edbp ch\u1ed1ng \u0103n m\u00f2n s\u1ebd \u00edt h\u1eefu \u00edch n\u1ebfu nh\u00e0 m\u00e1y kh\u00f4ng th\u1ec3 ki\u1ec3m tra ho\u1eb7c s\u1eeda ch\u1eefa n\u00f3 m\u00e0 kh\u00f4ng g\u00e2y ra th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3.<\/p>\n<h2><strong><b>X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0y th\u00e0nh v\u00e0 c\u01a1 s\u1edf \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t.<\/b><\/strong><\/h2>\n<h3><strong><b>\u0110\u1ed9 d\u00e0y v\u1ecf v\u00e0 \u0111\u1ea7u<\/b><\/strong><\/h3>\n<p>\u0110\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean \u0111\u01b0\u1eddng k\u00ednh. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1p su\u1ea5t thi\u1ebft k\u1ebf, nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf, c\u01b0\u1eddng \u0111\u1ed9 v\u1eadt li\u1ec7u, dung sai \u0103n m\u00f2n, hi\u1ec7u su\u1ea5t m\u1ed1i h\u00e0n, lo\u1ea1i \u0111\u1ea7u \u1ed1ng, c\u1ed1t th\u00e9p l\u1ed7 m\u1edf v\u00e0 \u0111\u00f4i khi c\u1ea3 t\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i. N\u1ebfu ng\u01b0\u1eddi mua thay \u0111\u1ed5i \u00e1p su\u1ea5t thi\u1ebft k\u1ebf sau khi b\u00e1o gi\u00e1, th\u00ec v\u1ecf \u1ed1ng, \u0111\u1ea7u \u1ed1ng, m\u1eb7t b\u00edch v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ee1 c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i.<\/p>\n<h3><strong><b>Gia c\u1ed1 xung quanh c\u00e1c l\u1ed7 h\u1edf<\/b><\/strong><\/h3>\n<p>C\u00e1c c\u1eeda th\u0103m, v\u00f2i phun, k\u00ednh quan s\u00e1t, l\u1ed7 m\u1edf b\u1ed9 khu\u1ea5y v\u00e0 c\u1ed5ng thi\u1ebft b\u1ecb \u0111\u1ec1u xuy\u00ean qua ranh gi\u1edbi ch\u1ecbu \u00e1p su\u1ea5t. H\u00e3y ki\u1ec3m tra k\u1ef9 ph\u1ea7n gia c\u01b0\u1eddng xung quanh c\u00e1c l\u1ed7 m\u1edf n\u00e0y tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t b\u1ea3n v\u1ebd ch\u1ebf t\u1ea1o. \u0110i\u1ec1u n\u00e0y c\u00e0ng quan tr\u1ecdng h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c b\u00ecnh ch\u1ee9a \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, b\u1ed1 tr\u00ed v\u00f2i phun t\u1ea3i tr\u1ecdng cao ho\u1eb7c c\u00e1c thi\u1ebft k\u1ebf m\u00e0 giao di\u1ec7n khu\u1ea5y v\u00e0 trao \u0111\u1ed5i nhi\u1ec7t d\u00f9ng chung m\u1ed9t di\u1ec7n t\u00edch v\u1ecf.<\/p>\n<h3><strong><b>\u00c1p su\u1ea5t \u0111\u1ecbnh m\u1ee9c v\u00e0 \u0111\u01b0\u1eddng k\u00ednh b\u00ecnh ch\u1ee9a<\/b><\/strong><\/h3>\n<p>C\u1ea7n xem x\u00e9t \u0111\u1ed3ng th\u1eddi \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t v\u00e0 \u0111\u01b0\u1eddng k\u00ednh b\u00ecnh ch\u1ee9a. Khi \u0111\u01b0\u1eddng k\u00ednh t\u0103ng, \u1ee9ng su\u1ea5t tr\u00ean v\u1ecf b\u00ecnh c\u00f3 th\u1ec3 t\u0103ng l\u00ean v\u00e0 \u0111\u1ed9 d\u00e0y th\u00e0nh b\u00ecnh, thi\u1ebft k\u1ebf n\u1eafp b\u00ecnh, l\u1ef1a ch\u1ecdn m\u1eb7t b\u00edch, t\u1ea3i tr\u1ecdng \u0111\u1ee1 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng n\u00e2ng \u0111\u1ec1u c\u00f3 th\u1ec3 thay \u0111\u1ed5i. Ng\u01b0\u1eddi mua n\u00ean tr\u00e1nh nh\u1eefng thay \u0111\u1ed5i mu\u1ed9n v\u1ec1 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t ho\u1eb7c \u0111\u01b0\u1eddng k\u00ednh tr\u1eeb khi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u00f3 \u0111\u1ee7 th\u1eddi gian \u0111\u1ec3 ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 ph\u1ea1m vi \u00e1p su\u1ea5t.<\/p>\n<h3><strong><b>Giao di\u1ec7n khu\u1ea5y tr\u1ed9n ho\u1eb7c trao \u0111\u1ed5i nhi\u1ec7t<\/b><\/strong><\/h3>\n<p>L\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t c\u00f3 th\u1ec3 bao g\u1ed3m v\u1ecf b\u1ecdc, \u1ed1ng xo\u1eafn, m\u00e1y khu\u1ea5y, v\u00e1ch ng\u0103n, c\u1eeda x\u1ea3 v\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft k\u1ebf c\u01a1 kh\u00ed v\u00e0 b\u1ea3o tr\u00ec. \u0110\u1ed1i v\u1edbi b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, vi\u1ec7c xem x\u00e9t c\u0169ng c\u1ea7n bao g\u1ed3m thi\u1ebft k\u1ebf t\u1ea5m \u1ed1ng, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn k\u00eanh d\u1eabn, kh\u00f4ng gian l\u00e0m s\u1ea1ch v\u00e0 s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t. Th\u00e2n b\u00ecnh v\u00e0 c\u00e1c giao di\u1ec7n quy tr\u00ecnh c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u00f9ng nhau.<\/p>\n<h2><strong><b>L\u00e0m r\u00f5 quy tr\u00ecnh h\u00e0n, ki\u1ec3m tra v\u00e0 b\u00e0n giao t\u00e0i li\u1ec7u.<\/b><\/strong><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-7228\" src=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Vertical-Industrial-Pressure-Vessels-for-Chemical-Plant-Fabrication.webp\" alt=\"B\u1ed3n \u00e1p su\u1ea5t c\u00f4ng nghi\u1ec7p d\u1ea1ng \u0111\u1ee9ng d\u00f9ng trong s\u1ea3n xu\u1ea5t nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t.\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Vertical-Industrial-Pressure-Vessels-for-Chemical-Plant-Fabrication.webp 600w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Vertical-Industrial-Pressure-Vessels-for-Chemical-Plant-Fabrication-300x200.webp 300w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Vertical-Industrial-Pressure-Vessels-for-Chemical-Plant-Fabrication-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<h3><strong><b>Y\u00eau c\u1ea7u v\u1ec1 quy tr\u00ecnh h\u00e0n<\/b><\/strong><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0103n m\u00f2n v\u00e0 \u00e1p su\u1ea5t cao, h\u00e0n ph\u1ea3i n\u1eb1m trong ph\u1ea1m vi quy \u0111\u1ecbnh v\u1ec1 \u00e1p su\u1ea5t. Ng\u01b0\u1eddi mua c\u1ea7n x\u00e1c \u0111\u1ecbnh v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n, kim lo\u1ea1i ph\u1ee5, quy tr\u00ecnh h\u00e0n, tr\u00ecnh \u0111\u1ed9 th\u1ee3 h\u00e0n, x\u1eed l\u00fd nhi\u1ec7t, s\u01a1 \u0111\u1ed3 m\u1ed1i h\u00e0n v\u00e0 b\u1ea5t k\u1ef3 quy t\u1eafc \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c nhau ho\u1eb7c l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n. Khi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 h\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5 r\u00e0ng, vi\u1ec7c ki\u1ec3m tra th\u01b0\u1eddng b\u1ecb ch\u1eadm tr\u1ec5 sau khi qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u00e3 b\u1eaft \u0111\u1ea7u.<\/p>\n<h3><strong><b>Ph\u1ea1m vi ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y v\u00e0 ki\u1ec3m tra th\u1ee7y t\u0129nh<\/b><\/strong><\/h3>\n<p>Ph\u1ea1m vi ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y c\u1ea7n \u0111\u01b0\u1ee3c n\u00eau r\u00f5 tr\u01b0\u1edbc khi b\u00e1o gi\u00e1. Ki\u1ec3m tra ch\u1ee5p X-quang, ki\u1ec3m tra si\u00eau \u00e2m, ki\u1ec3m tra t\u1eeb t\u00ednh, ki\u1ec3m tra th\u1ea9m th\u1ea5u, ki\u1ec3m tra tr\u1ef1c quan v\u00e0 ki\u1ec3m tra th\u1ee7y t\u0129nh kh\u00f4ng \u00e1p d\u1ee5ng gi\u1ed1ng nhau tr\u00ean m\u1ecdi lo\u1ea1i t\u00e0u. Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) c\u1ea7n n\u00eau r\u00f5 nh\u1eefng m\u1ed1i h\u00e0n n\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra, m\u1ee9c \u0111\u1ed9 ch\u1ea5p nh\u1eadn mong mu\u1ed1n l\u00e0 g\u00ec v\u00e0 li\u1ec7u c\u00f3 c\u01a1 quan ki\u1ec3m \u0111\u1ecbnh b\u00ean th\u1ee9 ba tham gia hay kh\u00f4ng.<\/p>\n<h3><strong><b>Gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u v\u00e0 h\u1ed3 s\u01a1 ki\u1ec3m tra<\/b><\/strong><\/h3>\n<p>Nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ecnh \u00e1p l\u1ef1c h\u00e0ng \u0111\u1ea7u cung c\u1ea5p g\u00f3i d\u1eef li\u1ec7u \u0110\u1ea3m b\u1ea3o Ch\u1ea5t l\u01b0\u1ee3ng (QA) to\u00e0n di\u1ec7n c\u00f9ng v\u1edbi thi\u1ebft b\u1ecb ho\u00e0n thi\u1ec7n. Ng\u01b0\u1eddi mua n\u00ean x\u00e1c minh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00e0i li\u1ec7u tr\u01b0\u1edbc khi ch\u1ebf t\u1ea1o, \u0111\u1ea3m b\u1ea3o r\u1eb1ng g\u00f3i t\u00e0i li\u1ec7u \u0111\u00f3 bao g\u1ed3m:<\/p>\n<ul>\n<li><b><\/b><strong><b>Gi\u1ea5y ch\u1ee9ng nh\u1eadn ki\u1ec3m nghi\u1ec7m v\u1eadt li\u1ec7u (MTC)<\/b><\/strong>v\u00e0 h\u1ed3 s\u01a1 h\u00e0n<\/li>\n<li><b><\/b><strong><b>B\u00e1o c\u00e1o NDT<\/b><\/strong>v\u00e0 ch\u1ee9ng ch\u1ec9 ki\u1ec3m tra th\u1ee7y t\u0129nh<\/li>\n<li><b><\/b><strong><b>Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc<\/b><\/strong>v\u00e0 h\u1ed3 s\u01a1 x\u1eed l\u00fd nhi\u1ec7t (n\u1ebfu c\u00f3)<\/li>\n<li><b><\/b><strong><b>C\u00e1c kh\u00fac g\u1ed7 \u0111\u01b0\u1ee3c ph\u1ee7\/l\u00f3t<\/b><\/strong>, d\u1eef li\u1ec7u tr\u00ean b\u1ea3ng t\u00ean v\u00e0 b\u1ea3n v\u1ebd ho\u00e0n c\u00f4ng cu\u1ed1i c\u00f9ng.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: line-through;\">\u00a0<\/span><\/p>\n<h3><strong><b>Ph\u1ea1m vi gi\u1ea5y ph\u00e9p s\u1ea3n xu\u1ea5t<\/b><\/strong><\/h3>\n<p>L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ecnh \u00e1p l\u1ef1c lo\u1ea1i I v\u00e0 lo\u1ea1i II \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, NHD c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t l\u00ean \u0111\u1ebfn 10,0 MPa (1450 psi), x\u1eed l\u00fd an to\u00e0n c\u00e1c m\u00f4i ch\u1ea5t th\u00f4ng th\u01b0\u1eddng c\u0169ng nh\u01b0 m\u00f4i ch\u1ea5t \u0103n m\u00f2n ho\u1eb7c d\u1ec5 ch\u00e1y trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u1eb7ng. Quy tr\u00ecnh ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn theo c\u00e1c ti\u00eau chu\u1ea9n GB\/T 150 v\u00e0 TSG nghi\u00eam ng\u1eb7t c\u1ee7a Trung Qu\u1ed1c, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 ASME Section VIII Division 1 v\u00e0 ti\u00eau chu\u1ea9n PED c\u1ee7a Ch\u00e2u \u00c2u v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc an to\u00e0n c\u1ed1t l\u00f5i v\u00e0 c\u00e1c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7227\" src=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment.webp\" alt=\"Gi\u1ea5y ph\u00e9p s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t\" width=\"1653\" height=\"2338\" srcset=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment.webp 1653w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-212x300.webp 212w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-724x1024.webp 724w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-768x1086.webp 768w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-1086x1536.webp 1086w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-1448x2048.webp 1448w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-8x12.webp 8w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Production-License-of-Special-Equipment-600x849.webp 600w\" sizes=\"(max-width: 1653px) 100vw, 1653px\" \/><\/p>\n<h2><strong><b>Ki\u1ec3m tra giao di\u1ec7n, c\u00e0i \u0111\u1eb7t v\u00e0 <\/b><a href=\"\/vi\/chinanhd.com\/\"><u><span style=\"color: #0000ff;\">NHD<\/span><\/u><\/a><b>\u00a0Ph\u1ea1m vi ch\u1ebf t\u1ea1o<\/b><\/strong><\/h2>\n<h3><strong><b>B\u1ed1 tr\u00ed v\u00f2i phun, c\u1eeda th\u0103m v\u00e0 thi\u1ebft b\u1ecb<\/b><\/strong><\/h3>\n<p>M\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua kh\u00e2u ki\u1ec3m tra c\u01a1 kh\u00ed nh\u01b0ng v\u1eabn kh\u00f3 s\u1eed d\u1ee5ng n\u1ebfu b\u1ed1 tr\u00ed kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t. H\u01b0\u1edbng v\u00f2i phun, k\u00edch th\u01b0\u1edbc c\u1eeda th\u0103m, v\u1ecb tr\u00ed thi\u1ebft b\u1ecb \u0111o, \u0111i\u1ec3m l\u1ea5y m\u1eabu, van x\u1ea3, van th\u00f4ng h\u01a1i v\u00e0 s\u00e0n thao t\u00e1c c\u1ea7n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1 tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a nh\u00e0 m\u00e1y. Trong c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o, \u0111\u01b0\u1eddng \u1ed1ng, m\u00e1y b\u01a1m v\u00e0 tuy\u1ebfn \u0111\u01b0\u1eddng b\u1ea3o tr\u00ec hi\u1ec7n c\u00f3 c\u00f3 th\u1ec3 chi\u1ebfm \u00edt kh\u00f4ng gian h\u01a1n so v\u1edbi b\u1ea3n v\u1ebd.<\/p>\n<h3><strong><b>Kh\u00f4ng gian n\u00e2ng h\u1ea1, n\u1ec1n m\u00f3ng v\u00e0 b\u1ea3o tr\u00ec<\/b><\/strong><\/h3>\n<p>C\u00e1c t\u00e0u l\u1edbn c\u1ea7n c\u00f3 \u0111i\u1ec3m n\u00e2ng h\u1ea1, tuy\u1ebfn v\u1eadn chuy\u1ec3n, chi ti\u1ebft m\u00f3ng, bu l\u00f4ng neo, gi\u00e1 \u0111\u1ee1 ho\u1eb7c ch\u00e2n \u0111\u1ee1, v\u00e0 \u0111\u1ee7 kh\u00f4ng gian ki\u1ec3m tra. N\u1ebfu vi\u1ec7c ti\u1ebfp c\u1eadn b\u1eb1ng c\u1ea7n c\u1ea9u b\u1ecb h\u1ea1n ch\u1ebf ho\u1eb7c x\u01b0\u1edfng c\u00f3 chi\u1ec1u cao h\u1ea1n ch\u1ebf, t\u00e0u c\u00f3 th\u1ec3 c\u1ea7n v\u1eadn chuy\u1ec3n theo t\u1eebng ph\u1ea7n ho\u1eb7c thi\u1ebft k\u1ebf c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi gi\u1edbi h\u1ea1n x\u1eed l\u00fd. Nh\u1eefng chi ti\u1ebft n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn nh\u00e0 cung c\u1ea5p tr\u01b0\u1edbc khi b\u1ea3n v\u1ebd cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n.<\/p>\n<h3><strong><b>K\u1ebft n\u1ed1i th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ea1 ngu\u1ed3n<\/b><\/strong><\/h3>\n<p>C\u1ea7n xem x\u00e9t l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ea1 ngu\u1ed3n tr\u01b0\u1edbc khi c\u1ed1 \u0111\u1ecbnh b\u1ed1 tr\u00ed t\u00e0u. M\u00e1y b\u01a1m, \u0111\u01b0\u1eddng \u1ed1ng, van, gi\u00e0n khoan, thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c, \u0111\u01b0\u1eddng x\u1ea3 v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m s\u1ea1ch c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf h\u01b0\u1edbng v\u00f2i phun v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 b\u1ea3o tr\u00ec. Trong c\u00f4ng vi\u1ec7c n\u00e2ng c\u1ea5p, c\u00e1c giao di\u1ec7n xung quanh n\u00e0y th\u01b0\u1eddng kh\u00f3 thay \u0111\u1ed5i h\u01a1n ch\u00ednh b\u1ea3n th\u00e2n t\u00e0u.<\/p>\n<h3><strong><b>C\u00e1c l\u1ef1a ch\u1ecdn v\u1ec1 l\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t v\u00e0 b\u1ec3 ch\u1ee9a<\/b><\/strong><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n h\u00f3a ch\u1ea5t v\u00e0 luy\u1ec7n kim th\u1ee7y l\u1ef1c, l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 l\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t, b\u1ec3 ch\u1ee9a \u00e1p su\u1ea5t, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t ho\u1eb7c th\u00e1p \u00e1p su\u1ea5t. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o quy tr\u00ecnh. NHD c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u00ecnh \u00e1p su\u1ea5t t\u00f9y ch\u1ec9nh d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf, bao g\u1ed3m l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o, nhu c\u1ea7u v\u1ec1 gi\u1edbi h\u1ea1n \u00e1p su\u1ea5t v\u00e0 b\u1ed1 tr\u00ed giao di\u1ec7n. M\u1ed9t g\u00f3i d\u1eef li\u1ec7u ho\u00e0n ch\u1ec9nh gi\u00fap d\u1ec5 d\u00e0ng \u0111\u01b0a ra khuy\u1ebfn ngh\u1ecb v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt h\u1eefu \u00edch.<\/p>\n<h3><strong><b>D\u1eef li\u1ec7u quy tr\u00ecnh \u0111\u1ec3 xem x\u00e9t NHD<\/b><\/strong><\/h3>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh xem x\u00e9t NHD, h\u00e3y chu\u1ea9n b\u1ecb m\u1ed9t g\u00f3i d\u1eef li\u1ec7u quy tr\u00ecnh ng\u1eafn g\u1ecdn thay v\u00ec m\u1ed9t t\u00ean s\u1ea3n ph\u1ea9m m\u01a1 h\u1ed3. C\u00e1c m\u1ee5c h\u1eefu \u00edch bao g\u1ed3m:<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7226\" src=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review.webp\" alt=\"D\u1eef li\u1ec7u quy tr\u00ecnh \u0111\u1ec3 xem x\u00e9t NHD\" width=\"1408\" height=\"768\" srcset=\"https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review.webp 1408w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review-300x164.webp 300w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review-1024x559.webp 1024w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review-768x419.webp 768w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review-18x10.webp 18w, https:\/\/www.chinanhd.com\/wp-content\/uploads\/2026\/06\/Process-Data-for-NHD-Review-600x327.webp 600w\" sizes=\"(max-width: 1408px) 100vw, 1408px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><strong><b>K\u1ebft lu\u1eadn<\/b><\/strong><\/h2>\n<p>M\u1ed9t ch\u1ea5t h\u00f3a h\u1ecdc <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.chinanhd.com\/vi\/product\/pressure-vessel\/\"><strong><u><b>th\u00f9ng \u00e1p l\u1ef1c<\/b><\/u><\/strong><\/a>\u00a0<\/span>B\u1ea3n \u0111\u1eb7c t\u1ea3 k\u1ef9 thu\u1eadt c\u1ea7n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u quy tr\u00ecnh th\u1ef1c t\u1ebf, r\u1ee7i ro \u0103n m\u00f2n, \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9, t\u00e0i li\u1ec7u ch\u1ebf t\u1ea1o v\u00e0 giao di\u1ec7n l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi b\u00e1o gi\u00e1 ho\u1eb7c b\u1eaft \u0111\u1ea7u s\u1ea3n xu\u1ea5t. H\u00e3y chia s\u1ebb \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh v\u00e0 y\u00eau c\u1ea7u t\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u1ee7a b\u1ea1n v\u1edbi ch\u00fang t\u00f4i.<span style=\"color: #0000ff;\"> <a style=\"color: #0000ff;\" href=\"https:\/\/www.chinanhd.com\/vi\/\"><strong><u><b>NHD<\/b><\/u><\/strong><\/a>\u00a0<\/span>\u2014 \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i s\u1ebd xem x\u00e9t d\u1eef li\u1ec7u v\u00e0 \u0111\u01b0a ra khuy\u1ebfn ngh\u1ecb v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1eb5n s\u00e0ng cho s\u1ea3n xu\u1ea5t. Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.chinanhd.com\/vi\/contact-us\/\"><strong><u><b>C<\/b><\/u><\/strong><strong><u><b>Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/b><\/u><\/strong><\/a>\u00a0<\/span>Bao g\u1ed3m d\u1eef li\u1ec7u ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng, b\u1ea3n v\u1ebd, \u0111i\u1ec1u ki\u1ec7n thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u \u0111\u1ecba \u0111i\u1ec3m.<\/p>\n<h2><strong><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/h2>\n<h3><strong><b>C\u00e2u 1: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c v\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng ch\u1ecbu \u00e1p l\u1ef1c l\u00e0 g\u00ec?<\/b><\/strong><\/h3>\n<p>B\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb c\u00f3 ph\u1ea1m tr\u00f9 r\u1ed9ng h\u01a1n. N\u00f3 bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ch\u1ee9a \u00e1p su\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ec3 ch\u1ee9a, b\u00ecnh ch\u1ee9a kh\u00ed, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, th\u00e1p v\u00e0 c\u00e1c thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u1ef1. L\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t l\u00e0 m\u1ed9t b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, v\u00ec v\u1eady n\u00f3 th\u01b0\u1eddng c\u00f3 th\u00eam c\u00e1c y\u00eau c\u1ea7u v\u1ec1 khu\u1ea5y tr\u1ed9n, gia nhi\u1ec7t, l\u00e0m m\u00e1t, n\u1ea1p li\u1ec7u, th\u00f4ng h\u01a1i v\u00e0 l\u00e0m s\u1ea1ch.<\/p>\n<h3><strong><b>C\u00e2u 2: Ng\u01b0\u1eddi mua c\u1ea7n cung c\u1ea5p nh\u1eefng d\u1eef li\u1ec7u quy tr\u00ecnh n\u00e0o tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng b\u00ecnh ch\u1ee9a \u00e1p su\u1ea5t h\u00f3a ch\u1ea5t?<\/b><\/strong><\/h3>\n<p>Ng\u01b0\u1eddi mua c\u1ea7n cung c\u1ea5p th\u00e0nh ph\u1ea7n m\u00f4i ch\u1ea5t, n\u1ed3ng \u0111\u1ed9, h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn, \u00e1p su\u1ea5t thi\u1ebft k\u1ebf, nhi\u1ec7t \u0111\u1ed9 thi\u1ebft k\u1ebf, gi\u00e1 tr\u1ecb v\u1eadn h\u00e0nh, s\u01a1 \u0111\u1ed3 P&amp;ID, b\u1ea3ng k\u00ea v\u00f2i phun, d\u1eef li\u1ec7u \u0103n m\u00f2n, m\u00e3 ki\u1ec3m tra, gi\u1edbi h\u1ea1n l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c y\u00eau c\u1ea7u b\u00e0n giao t\u00e0i li\u1ec7u.<\/p>\n<h3><strong><b>C\u00e2u 3: M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho b\u00ecnh \u00e1p l\u1ef1c?<\/b><\/strong><\/h3>\n<p>M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kim lo\u1ea1i n\u1ec1n, dung sai \u0103n m\u00f2n, l\u1edbp l\u00f3t, l\u1edbp ph\u1ee7, ph\u01b0\u01a1ng ph\u00e1p h\u00e0n, v\u1eadt li\u1ec7u gio\u0103ng v\u00e0 thi\u1ebft k\u1ebf v\u00f2i phun. N\u1ed3ng \u0111\u1ed9 clorua, n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, ch\u1ea5t r\u1eafn v\u00e0 h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u.<\/p>\n<h3><strong><b>C\u00e2u 4: C\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t b\u00ecnh ch\u1ee9a h\u00f3a ch\u1ea5t ch\u1ecbu \u00e1p su\u1ea5t theo ti\u00eau chu\u1ea9n ASME ho\u1eb7c PED kh\u00f4ng?<\/b><\/strong><\/h3>\n<p>M\u00e3 s\u1ed1 y\u00eau c\u1ea7u c\u1ea7n \u0111\u01b0\u1ee3c n\u00eau r\u00f5 ngay t\u1eeb giai \u0111o\u1ea1n y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ). NHD c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n so v\u1edbi ph\u1ea1m vi s\u1ea3n xu\u1ea5t v\u00e0 l\u1ed9 tr\u00ecnh t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. Tuy nhi\u00ean, ng\u01b0\u1eddi mua kh\u00f4ng n\u00ean coi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ASME, PED, GB\/T 150 v\u00e0 TSG l\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau n\u1ebfu ch\u01b0a c\u00f3 s\u1ef1 x\u00e1c nh\u1eadn c\u1ee7a d\u1ef1 \u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c h\u00f3a ch\u1ea5t, c\u1ea7n ki\u1ec3m tra v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y th\u00e0nh b\u00ecnh, \u0111\u1ecbnh m\u1ee9c \u00e1p su\u1ea5t, m\u1ed1i h\u00e0n, th\u1eed nghi\u1ec7m, t\u00e0i li\u1ec7u v\u00e0 r\u1ee7i ro t\u1eeb m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p>","protected":false},"author":1,"featured_media":7225,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-7223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":{"photo_gallery":{"\u6848\u4f8b\u753b\u5eca":[[]]}},"_links":{"self":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/7223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/comments?post=7223"}],"version-history":[{"count":2,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/7223\/revisions"}],"predecessor-version":[{"id":7242,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/7223\/revisions\/7242"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media\/7225"}],"wp:attachment":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media?parent=7223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/categories?post=7223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/tags?post=7223"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}