{"id":1319,"date":"2025-11-17T00:33:26","date_gmt":"2025-11-16T17:33:26","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/chien-luoc-chon-inox-cho-hoa-chat-nang-luong-va-tau-bien\/"},"modified":"2025-11-22T00:36:23","modified_gmt":"2025-11-21T17:36:23","slug":"chien-luoc-chon-inox-cho-hoa-chat-nang-luong-va-tau-bien","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/chien-luoc-chon-inox-cho-hoa-chat-nang-luong-va-tau-bien\/","title":{"rendered":"Chi\u1ebfn l\u01b0\u1ee3c ch\u1ecdn Inox cho h\u00f3a ch\u1ea5t, n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u00e0u bi\u1ec3n"},"content":{"rendered":"<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/inox-cho-he-xu-ly-khi-thai-nuoc-thai-chon-mac-va-thiet-ke-toi-uu\/\" target=\"_blank\" rel=\"noopener noreferrer\">Inox cho h\u1ec7 x\u1eed l\u00fd kh\u00ed th\u1ea3i, n\u01b0\u1edbc th\u1ea3i: ch\u1ecdn m\u00e1c v\u00e0 thi\u1ebft k\u1ebf t\u1ed1i \u01b0u<\/a><\/p>\n<\/p><\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/inox-chiu-nhiet-cho-lo-hoi-lo-nung-chon-310s-309s-253ma-347h\/\" target=\"_blank\" rel=\"noopener noreferrer\">Inox ch\u1ecbu nhi\u1ec7t cho l\u00f2 h\u01a1i, l\u00f2 nung: ch\u1ecdn 310S, 309S, 253MA, 347H<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/asme-cho-binh-chiu-ap-luc-inox-huong-dan-section-viii\/\" target=\"_blank\" rel=\"noopener noreferrer\">ASME cho b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c inox: h\u01b0\u1edbng d\u1eabn Section VIII<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/chong-an-mon-bang-inox-cho-gian-khoan-va-cong-trinh-ngoai-khoi\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng inox cho gi\u00e0n khoan v\u00e0 c\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/vi-sao-inox-316l-khong-the-thieu-trong-cong-nghiep-dong-tau\/\" target=\"_blank\" rel=\"noopener noreferrer\">V\u00ec sao inox 316L kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00f4ng nghi\u1ec7p \u0111\u00f3ng t\u00e0u<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/inox-cho-khung-pin-mat-troi-va-tua-bin-gio-chon-dung-mac\/\" target=\"_blank\" rel=\"noopener noreferrer\">Inox cho khung pin m\u1eb7t tr\u1eddi v\u00e0 tua-bin gi\u00f3: ch\u1ecdn \u0111\u00fang m\u00e1c<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/ung-dung-inox-duplex-va-super-duplex-trong-khai-thac-dau-khi\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u1ee8ng d\u1ee5ng Inox Duplex v\u00e0 Super Duplex trong khai th\u00e1c d\u1ea7u kh\u00ed<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/ong-inox-cho-bo-trao-doi-nhiet-chon-mac-chuan-va-hieu-suat\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u1ed0ng inox cho b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t: ch\u1ecdn m\u00e1c, chu\u1ea9n v\u00e0 hi\u1ec7u su\u1ea5t<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/he-thong-ong-inox-chiu-ap-luc-cao-tieu-chuan-thiet-ke-toi-uu\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u1ec7 th\u1ed1ng \u1ed1ng inox ch\u1ecbu \u00e1p l\u1ef1c cao: ti\u00eau chu\u1ea9n &#038; thi\u1ebft k\u1ebf t\u1ed1i \u01b0u<\/a><\/p>\n<\/p>\n<\/div>\n<div style=\"padding: 15px; border-left: 4px solid #0073aa; background-color: #f7f7f7; margin: 20px 0;\">\n<p style=\"margin: 0;\"><strong>\u27a1\ufe0f B\u00e0i vi\u1ebft chuy\u00ean s\u00e2u:<\/strong> <a href=\"https:\/\/inoxcuongthinh.com\/bon-chua-hoa-chat-an-mon-chon-inox-316l-hay-904l-va-cach-thiet-ke\/\" target=\"_blank\" rel=\"noopener noreferrer\">B\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t \u0103n m\u00f2n: ch\u1ecdn inox 316L hay 904L v\u00e0 c\u00e1ch thi\u1ebft k\u1ebf<\/a><\/p>\n<\/p>\n<\/div>\n<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-inox-nen-tang-ben-bi-cho-cong-nghiep-nang-hien-dai\">Inox \u2013 n\u1ec1n t\u1ea3ng b\u1ec1n b\u1ec9 cho c\u00f4ng nghi\u1ec7p n\u1eb7ng hi\u1ec7n \u0111\u1ea1i<\/a><\/li>\n<li><a href=\"#toc-1-nen-tang-inox-la-gi-va-vi-sao-phu-hop-cong-nghiep-\">N\u1ec1n t\u1ea3ng: Inox l\u00e0 g\u00ec v\u00e0 v\u00ec sao ph\u00f9 h\u1ee3p c\u00f4ng nghi\u1ec7p n\u1eb7ng?<\/a><\/li>\n<li><a href=\"#toc-2-nhung-khia-canh-ky-thuat-quyet-dinh-tuoi-tho-he-th\">Nh\u1eefng kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng Inox<\/a><\/li>\n<li><a href=\"#toc-3-chuyen-sau-theo-ung-dung-tu-bon-be-den-ngoai-khoi\">Chuy\u00ean s\u00e2u theo \u1ee9ng d\u1ee5ng: t\u1eeb b\u1ed3n b\u1ec3 \u0111\u1ebfn ngo\u00e0i kh\u01a1i<\/a><\/li>\n<li><a href=\"#toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/a><\/li>\n<li><a href=\"#toc-5-ket-luan-chon-dung-inox-nang-chuan-an-toan-va-hieu\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang Inox \u2013 n\u00e2ng chu\u1ea9n an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-0-inox-nen-tang-ben-bi-cho-cong-nghiep-nang-hien-dai\">Inox \u2013 n\u1ec1n t\u1ea3ng b\u1ec1n b\u1ec9 cho c\u00f4ng nghi\u1ec7p n\u1eb7ng hi\u1ec7n \u0111\u1ea1i<\/h2>\n<p>Trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t kh\u1eafc nghi\u1ec7t nh\u01b0 h\u00f3a ch\u1ea5t, n\u0103ng l\u01b0\u1ee3ng v\u00e0 h\u00e0ng h\u1ea3i, \u0103n m\u00f2n, \u00e1p l\u1ef1c cao, nhi\u1ec7t \u0111\u1ed9 c\u1ef1c tr\u1ecb v\u00e0 chu k\u1ef3 t\u1ea3i m\u1ecfi lu\u00f4n r\u00ecnh r\u1eadp l\u00e0m gi\u00e1n \u0111o\u1ea1n v\u1eadn h\u00e0nh. C\u00e1c k\u1ef9 s\u01b0, nh\u00e0 th\u1ea7u, ch\u1ee7 x\u01b0\u1edfng c\u1ea7n nh\u1eefng l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u1eeba ch\u1ed1ng ch\u1ecbu t\u1ed1t, v\u1eeba \u0111\u1ea3m b\u1ea3o t\u00ednh kinh t\u1ebf v\u00e0 ti\u00eau chu\u1ea9n an to\u00e0n. Inox (th\u00e9p kh\u00f4ng g\u1ec9) l\u00e0 l\u1eddi gi\u1ea3i ph\u1ed5 bi\u1ebfn, nh\u01b0ng kh\u00f4ng ph\u1ea3i m\u00e1c n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p: sai l\u1ec7ch nh\u1ecf trong ch\u1ecdn v\u1eadt li\u1ec7u, h\u00e0n, x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 tr\u1ea3 gi\u00e1 b\u1eb1ng th\u1eddi gian d\u1eebng m\u00e1y, r\u00f2 r\u1ec9, th\u1eadm ch\u00ed s\u1ef1 c\u1ed1 an to\u00e0n.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p khung chi\u1ebfn l\u01b0\u1ee3c ch\u1ecdn v\u00e0 \u1ee9ng d\u1ee5ng Inox trong c\u00f4ng nghi\u1ec7p n\u1eb7ng, t\u1eeb nguy\u00ean l\u00fd v\u1eadt li\u1ec7u, c\u00e1c kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt then ch\u1ed1t \u0111\u1ebfn li\u00ean k\u1ebft th\u1ef1c ti\u1ec5n v\u1edbi b\u1ed3n b\u1ec3 h\u00f3a ch\u1ea5t, h\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, d\u1ea7u kh\u00ed ngo\u00e0i kh\u01a1i, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 \u0111\u00f3ng t\u00e0u. B\u1ea1n s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c c\u00e1ch t\u1ed1i \u01b0u tu\u1ed5i th\u1ecd \u2013 chi ph\u00ed v\u00f2ng \u0111\u1eddi, gi\u1ea3m r\u1ee7i ro \u0103n m\u00f2n v\u00e0 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n, l\u00e0m c\u01a1 s\u1edf ra quy\u1ebft \u0111\u1ecbnh nhanh, ch\u00ednh x\u00e1c cho d\u1ef1 \u00e1n t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h2 id=\"toc-1-nen-tang-inox-la-gi-va-vi-sao-phu-hop-cong-nghiep-\">N\u1ec1n t\u1ea3ng: Inox l\u00e0 g\u00ec v\u00e0 v\u00ec sao ph\u00f9 h\u1ee3p c\u00f4ng nghi\u1ec7p n\u1eb7ng?<\/h2>\n<p>Inox l\u00e0 h\u1ee3p kim s\u1eaft v\u1edbi t\u1ed1i thi\u1ec3u ~10,5% Cr t\u1ea1o l\u1edbp th\u1ee5 \u0111\u1ed9ng Cr2O3 gi\u00fap ch\u1ed1ng \u0103n m\u00f2n. T\u00f9y y\u00eau c\u1ea7u, th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 b\u1ed5 sung Ni, Mo, N\u2026 t\u1ea1o c\u00e1c h\u1ecd ch\u00ednh:<br \/>\n&#8211; Austenitic (304, 316L, 317L, 904L): d\u1ebbo dai, h\u00e0n t\u1ed1t, ch\u1ed1ng \u0103n m\u00f2n c\u1ee5c b\u1ed9 (nh\u1edd Mo), d\u00f9ng r\u1ed9ng r\u00e3i trong h\u00f3a ch\u1ea5t v\u00e0 n\u01b0\u1edbc bi\u1ec3n nh\u1eb9.<br \/>\n&#8211; Duplex\/Super Duplex (2205, 2507): b\u1ec1n k\u00e9o cao g\u1ea5p ~2 l\u1ea7n austenitic, kh\u00e1ng n\u1ee9t do \u1ee9ng su\u1ea5t trong ion Cl-, ph\u00f9 h\u1ee3p d\u1ea7u kh\u00ed, n\u01b0\u1edbc bi\u1ec3n, FGD.<br \/>\n&#8211; Ch\u1ecbu nhi\u1ec7t (309S, 310S, 321H, 347H, 253MA): \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, h\u1ea1n ch\u1ebf \u00f4xy h\u00f3a v\u00e0 ch\u1ea3y d\u1ebbo theo th\u1eddi gian (creep).<\/p>\n<p>Trong th\u1ef1c t\u1ebf nh\u00e0 m\u00e1y, inox gi\u00fap:<br \/>\n&#8211; Gi\u1ea3m r\u00f2 r\u1ec9, k\u00e9o d\u00e0i chu k\u1ef3 b\u1ea3o tr\u00ec tr\u01b0\u1edbc m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n c\u1ee5c b\u1ed9 (pitting\/crevice), SCC do Cl- v\u00e0 H2S.<br \/>\n&#8211; \u1ed4n \u0111\u1ecbnh c\u01a1 t\u00ednh \u1edf \u00e1p l\u1ef1c v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh, gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng nh\u1edd thi\u1ebft k\u1ebf m\u1ecfng h\u01a1n \u1edf Duplex.<br \/>\n&#8211; T\u1ed1i \u01b0u t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC) d\u00f9 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cao h\u01a1n th\u00e9p carbon.<\/p>\n<h2 id=\"toc-2-nhung-khia-canh-ky-thuat-quyet-dinh-tuoi-tho-he-th\">Nh\u1eefng kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt quy\u1ebft \u0111\u1ecbnh tu\u1ed5i th\u1ecd h\u1ec7 th\u1ed1ng Inox<\/h2>\n<h3>1) Kh\u1edbp m\u00f4i tr\u01b0\u1eddng \u2013 m\u00e1c th\u00e9p: ch\u1ecdn sai l\u00e0 tr\u1ea3 gi\u00e1<\/h3>\n<p>M\u00e1c 316L th\u00edch h\u1ee3p m\u00f4i tr\u01b0\u1eddng Cl- v\u1eeba ph\u1ea3i, 904L\/6Mo t\u1ed1t cho axit m\u1ea1nh\/Cl- cao, 2205\/2507 cho n\u01b0\u1edbc bi\u1ec3n, d\u1ea7u kh\u00ed chua. D\u00f9ng PREN (\u2248%Cr + 3.3%Mo + 16%N) \u0111\u1ec3 so s\u00e1nh kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7. V\u00ed d\u1ee5: \u0111\u01b0\u1eddng \u1ed1ng tu\u1ea7n ho\u00e0n n\u01b0\u1edbc bi\u1ec3n n\u00ean \u01b0u ti\u00ean 2205 thay v\u00ec 316L \u0111\u1ec3 tr\u00e1nh SCC.<\/p>\n<h3>2) Thi\u1ebft k\u1ebf ch\u1ed1ng k\u1ebd h\u1edf, tho\u00e1t n\u01b0\u1edbc v\u00e0 b\u1ec1 m\u1eb7t<\/h3>\n<p>K\u1ebd h\u1edf gi\u1eef dung d\u1ecbch g\u00e2y crevice corrosion. Thi\u1ebft k\u1ebf b\u00e1n k\u00ednh g\u00f3c l\u1edbn, m\u1ed1i n\u1ed1i k\u00edn, d\u1ed1c tho\u00e1t n\u01b0\u1edbc, b\u1ec1 m\u1eb7t m\u1ecbn (Ra \u2264 0,8\u20131,6 \u03bcm t\u00f9y d\u1ecbch v\u1ee5), tr\u00e1nh b\u1eaby c\u1eb7n \u1edf b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 b\u1ed3n.<\/p>\n<h3>3) H\u00e0n v\u00e0 x\u1eed l\u00fd sau h\u00e0n<\/h3>\n<p>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ea7u v\u00e0o, ch\u1ecdn kim lo\u1ea1i h\u00e0n ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5 ER2209 cho 2205), b\u1ea3o v\u1ec7 m\u1eb7t sau b\u1eb1ng kh\u00ed tr\u01a1, sau h\u00e0n ph\u1ea3i t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ec3 t\u00e1i t\u1ea1o l\u1edbp passivation. Tr\u00e1nh nhi\u1ec5m b\u1ea9n s\u1eaft t\u1ef1 do t\u1eeb d\u1ee5ng c\u1ee5 carbon steel.<\/p>\n<h3>4) Chu\u1ea9n m\u1ef1c v\u00e0 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/h3>\n<p>\u00c1p d\u1ee5ng ASME, ASTM, API, NACE cho thi\u1ebft k\u1ebf, v\u1eadt li\u1ec7u, th\u1eed nghi\u1ec7m. Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 3.1, PMI, ki\u1ec3m tra ferrite weld \u0111\u1ed1i v\u1edbi Duplex, NDE m\u1ed1i h\u00e0n, th\u1eed \u00e1p\/hydrotest theo ti\u00eau chu\u1ea9n.<\/p>\n<h3>5) T\u01b0 duy chi ph\u00ed v\u00f2ng \u0111\u1eddi (LCC)<\/h3>\n<p>So s\u00e1nh t\u1ed5ng chi ph\u00ed 20\u201330 n\u0103m, t\u00ednh v\u00e0o th\u1eddi gian d\u1eebng m\u00e1y, b\u1ea3o tr\u00ec, thay th\u1ebf. Nhi\u1ec1u ca cho th\u1ea5y 2205\/904L r\u1ebb h\u01a1n 316L\/CS sau 5\u20137 n\u0103m trong m\u00f4i tr\u01b0\u1eddng Cl- cao ho\u1eb7c axit.<\/p>\n<h2 id=\"toc-3-chuyen-sau-theo-ung-dung-tu-bon-be-den-ngoai-khoi\">Chuy\u00ean s\u00e2u theo \u1ee9ng d\u1ee5ng: t\u1eeb b\u1ed3n b\u1ec3 \u0111\u1ebfn ngo\u00e0i kh\u01a1i<\/h2>\n<p>\u0110\u1ed1i v\u1edbi b\u1ed3n ch\u1ee9a h\u00f3a ch\u1ea5t \u0103n m\u00f2n, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa 316L v\u00e0 904L th\u1ec3 hi\u1ec7n r\u00f5 \u1edf axit v\u00f4 c\u01a1 v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f3 ion Cl-. Quy\u1ebft \u0111\u1ecbnh m\u00e1c th\u00e9p, chi\u1ec1u d\u00e0y, m\u1ed1i h\u00e0n v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t s\u1ebd quy\u1ebft \u0111\u1ecbnh chu k\u1ef3 b\u1ea3o tr\u00ec. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u1ea7u n\u1ed1i \u0111\u1ebfn ph\u1ea7n ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho b\u1ed3n b\u1ec3 h\u00f3a ch\u1ea5t.<br \/>\n<!-- CLUSTER_PLACEHOLDER_1 --><\/p>\n<p>H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng ch\u1ecbu \u00e1p l\u1ef1c cao \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t t\u1eeb l\u1ef1a ch\u1ecdn \u1ed1ng \u0111\u00fac\/seamless, schedule, \u0111\u1ebfn quy tr\u00ecnh h\u00e0n v\u00e0 ki\u1ec3m tra theo ASME. T\u1ed1i \u01b0u v\u1eadt li\u1ec7u v\u00e0 l\u1edbp l\u00f3t gi\u00fap c\u00e2n b\u1eb1ng an to\u00e0n \u2013 chi ph\u00ed trong v\u1eadn h\u00e0nh li\u00ean t\u1ee5c.<br \/>\n<!-- CLUSTER_PLACEHOLDER_2 --><\/p>\n<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 \u201c\u0111i\u1ec3m n\u00f3ng\u201d c\u1ee7a \u0103n m\u00f2n c\u1ee5c b\u1ed9, \u0103n m\u00f2n k\u1ebd h\u1edf v\u00e0 c\u00e1u c\u1eb7n. \u1ed0ng Inox ph\u00f9 h\u1ee3p gi\u00fap duy tr\u00ec truy\u1ec1n nhi\u1ec7t \u1ed5n \u0111\u1ecbnh, k\u00e9o d\u00e0i chu k\u1ef3 r\u1eeda h\u00f3a ch\u1ea5t v\u00e0 gi\u1ea3m r\u1ee7i ro th\u1ee7ng \u1ed1ng.<br \/>\n<!-- CLUSTER_PLACEHOLDER_3 --><\/p>\n<p>Trong khai th\u00e1c d\u1ea7u kh\u00ed, m\u00f4i tr\u01b0\u1eddng Cl- v\u00e0 H2S y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u00e1ng SCC. Duplex v\u00e0 Super Duplex mang l\u1ea1i t\u1ec9 l\u1ec7 b\u1ec1n\/tr\u1ecdng l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i, th\u00edch h\u1ee3p topside v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc bi\u1ec3n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_4 --><\/p>\n<p>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o \u0111\u1eb7t ra y\u00eau c\u1ea7u tu\u1ed5i th\u1ecd d\u00e0i ngo\u00e0i tr\u1eddi, \u0111\u1eb7c bi\u1ec7t v\u00f9ng ven bi\u1ec3n. L\u1ef1a ch\u1ecdn Inox \u0111\u00fang cho khung pin v\u00e0 c\u1ea5u ki\u1ec7n tua-bin gi\u00fap gi\u1ea3m b\u1ea3o tr\u00ec v\u00e0 r\u1ee7i ro \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n<!-- CLUSTER_PLACEHOLDER_5 --><\/p>\n<p>\u0110\u00f3ng t\u00e0u ch\u1ecbu t\u00e1c \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a n\u01b0\u1edbc bi\u1ec3n, mu\u1ed1i, va \u0111\u1eadp c\u01a1 h\u1ecdc. 316L v\u1eabn l\u00e0 \u201cx\u01b0\u01a1ng s\u1ed1ng\u201d cho h\u1ec7 \u1ed1ng, boong v\u00e0 ph\u1ee5 ki\u1ec7n, khi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u2013 h\u00e0n \u0111\u00fang chu\u1ea9n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_6 --><\/p>\n<p>Ngo\u00e0i kh\u01a1i, gi\u1ea3i ph\u00e1p ch\u1ed1ng \u0103n m\u00f2n t\u1ed1i \u01b0u th\u01b0\u1eddng l\u00e0 t\u00edch h\u1ee3p: l\u1ef1a ch\u1ecdn Inox ph\u00f9 h\u1ee3p v\u00f9ng ng\u1eadp\/dao \u0111\u1ed9ng, k\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 catot v\u00e0 chi ti\u1ebft ch\u1ed1ng k\u1ebd h\u1edf.<br \/>\n<!-- CLUSTER_PLACEHOLDER_7 --><\/p>\n<p>V\u1edbi b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c, tu\u00e2n th\u1ee7 ASME ngay t\u1eeb b\u01b0\u1edbc thi\u1ebft k\u1ebf \u0111\u1ebfn ki\u1ec3m tra l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 ra h\u1ed3 s\u01a1 ph\u00e1p l\u00fd, b\u1ea3o hi\u1ec3m v\u00e0 v\u1eadn h\u00e0nh an to\u00e0n.<br \/>\n<!-- CLUSTER_PLACEHOLDER_8 --><\/p>\n<p>\u1ee8ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t trong l\u00f2 h\u01a1i, l\u00f2 nung y\u00eau c\u1ea7u Inox c\u00f3 \u0111\u1ed9 b\u1ec1n cao \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 ch\u1ed1ng \u00f4xy h\u00f3a. Ch\u1ecdn sai m\u00e1c s\u1ebd d\u1eabn t\u1edbi ph\u1ed3ng r\u1ed9p, n\u1ee9t n\u1ebb v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd.<br \/>\n<!-- CLUSTER_PLACEHOLDER_9 --><\/p>\n<p>C\u00e1c h\u1ec7 x\u1eed l\u00fd kh\u00ed\/n\u01b0\u1edbc th\u1ea3i c\u00f3 m\u00f4i tr\u01b0\u1eddng axit v\u00e0 Cl- bi\u1ebfn thi\u00ean, \u0111\u00f2i h\u1ecfi chi\u1ebfn l\u01b0\u1ee3c v\u1eadt li\u1ec7u \u2013 b\u1ec1 m\u1eb7t \u2013 h\u00e0n ph\u00f9 h\u1ee3p \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0103n m\u00f2n d\u01b0\u1edbi c\u1eb7n v\u00e0 \u0103n m\u00f2n k\u1ebd h\u1edf.<br \/>\n<!-- CLUSTER_PLACEHOLDER_10 --><\/p>\n<h2 id=\"toc-4-ung-dung-thuc-te-va-khuyen-nghi-chuyen-gia\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 khuy\u1ebfn ngh\u1ecb chuy\u00ean gia<\/h2>\n<p>\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u:<br \/>\n&#8211; H\u00f3a ch\u1ea5t: B\u1ed3n H2SO4 n\u1ed3ng \u0111\u1ed9 cao d\u00f9ng 904L\/254SMO; m\u01b0\u01a1ng\/\u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc bi\u1ec3n: 2205; CIP axit nh\u1eb9: 316L b\u1ec1 m\u1eb7t m\u1ecbn, th\u1ee5 \u0111\u1ed9ng h\u00f3a k\u1ef9.<br \/>\n&#8211; N\u0103ng l\u01b0\u1ee3ng: \u1ed0ng trao \u0111\u1ed5i nhi\u1ec7t FGD: 2205\/2507; khung pin m\u1eb7t tr\u1eddi ven bi\u1ec3n: 316L, tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp Inox\u2013nh\u00f4m b\u1eb1ng spacer nh\u1ef1a \u0111\u1ec3 gi\u1ea3m \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; H\u00e0ng h\u1ea3i: H\u1ec7 \u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t: 2205 thay 316L \u1edf v\u00f9ng nhi\u1ec7t \u0111\u1edbi; boong, lan can: 316L, b\u1ecbt k\u00edn khe, tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n<p>Quy tr\u00ecnh tri\u1ec3n khai \u0111\u1ec1 xu\u1ea5t:<br \/>\n1) \u0110\u1eb7c t\u1ea3 m\u00f4i tr\u01b0\u1eddng: Cl-, pH, nhi\u1ec7t \u0111\u1ed9, H2S, t\u1ed1c \u0111\u1ed9 d\u00f2ng, chu k\u1ef3 r\u1eeda h\u00f3a ch\u1ea5t.<br \/>\n2) Ch\u1ecdn m\u00e1c v\u00e0 ti\u00eau chu\u1ea9n: ASTM\/ASME, y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 3.1, PMI 100% cho chi ti\u1ebft quan tr\u1ecdng.<br \/>\n3) K\u1ebf ho\u1ea1ch h\u00e0n v\u00e0 x\u1eed l\u00fd: WPS\/PQR ph\u00f9 h\u1ee3p, kh\u00ed b\u1ea3o v\u1ec7 hai m\u1eb7t, t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a to\u00e0n b\u1ed9 v\u00f9ng nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng.<br \/>\n4) Ki\u1ec3m tra \u2013 nghi\u1ec7m thu: NDE m\u1ed1i h\u00e0n (PT\/RT\/UT), th\u1eed \u00e1p, \u0111o ferrite weld (v\u1edbi Duplex), ki\u1ec3m tra \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t.<br \/>\n5) B\u1ea3o tr\u00ec: R\u1eeda \u0111\u1ecbnh k\u1ef3, tr\u00e1nh l\u1eafng \u0111\u1ecdng; ki\u1ec3m so\u00e1t nhi\u1ec5m s\u1eaft; ki\u1ec3m tra c\u00e1c v\u1ecb tr\u00ed k\u1ebd h\u1edf.<\/p>\n<p>5 l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh:<br \/>\n&#8211; D\u00f9ng 316L cho n\u01b0\u1edbc bi\u1ec3n t\u0129nh ho\u1eb7c Cl- cao, d\u1eabn t\u1edbi pitting\/SCC s\u1edbm.<br \/>\n&#8211; B\u1ecf qua t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n, khi\u1ebfn b\u1ec1 m\u1eb7t \u201ctr\u1ea7n\u201d d\u1ec5 \u0103n m\u00f2n.<br \/>\n&#8211; Tr\u1ed9n l\u1eabn d\u1ee5ng c\u1ee5 carbon steel khi gia c\u00f4ng, g\u00e2y nhi\u1ec5m b\u1ea9n s\u1eaft t\u1ef1 do.<br \/>\n&#8211; Thi\u1ebft k\u1ebf t\u1ea1o k\u1ebd h\u1edf\/\u0111\u1ecdng n\u01b0\u1edbc, kh\u00f4ng ki\u1ec3m so\u00e1t \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t.<br \/>\n&#8211; Kh\u00f4ng y\u00eau c\u1ea7u PMI\/ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u, d\u1eabn t\u1edbi l\u1eabn m\u00e1c v\u00e0 r\u1ee7i ro v\u1eadn h\u00e0nh.<\/p>\n<h2 id=\"toc-5-ket-luan-chon-dung-inox-nang-chuan-an-toan-va-hieu\">K\u1ebft lu\u1eadn: Ch\u1ecdn \u0111\u00fang Inox \u2013 n\u00e2ng chu\u1ea9n an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3<\/h2>\n<p>Inox ch\u1ec9 th\u1ef1c s\u1ef1 \u201ckh\u00f4ng g\u1ec9\u201d khi m\u00e1c th\u00e9p, thi\u1ebft k\u1ebf, h\u00e0n, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ed3ng b\u1ed9. V\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t trong h\u00f3a ch\u1ea5t, n\u0103ng l\u01b0\u1ee3ng v\u00e0 h\u00e0ng h\u1ea3i, c\u00e1ch ti\u1ebfp c\u1eadn d\u1ef1a tr\u00ean d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng, ti\u00eau chu\u1ea9n ASME\/ASTM v\u00e0 t\u01b0 duy chi ph\u00ed v\u00f2ng \u0111\u1eddi l\u00e0 ch\u00eca kh\u00f3a k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb v\u00e0 gi\u1ea3m d\u1eebng m\u00e1y.<\/p>\n<p>B\u1ea1n c\u1ea7n t\u01b0 v\u1ea5n nhanh cho d\u1ef1 \u00e1n t\u1ea1i H\u00e0 N\u1ed9i v\u00e0 mi\u1ec1n B\u1eafc? Li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 v\u1eadt li\u1ec7u c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t m\u00e1c Inox (316L, 904L, 2205\/2507, 310S\u2026), ch\u1ee9ng ch\u1ec9 \u0111\u1ea7y \u0111\u1ee7, gia c\u00f4ng c\u1eaft \u2013 u\u1ed1n \u2013 h\u00e0n chu\u1ea9n, v\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u chi ph\u00ed \u2013 hi\u1ec7u n\u0103ng cho nh\u00e0 m\u00e1y c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch chuy\u00ean s\u00e2u v\u1ec1 v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf v\u00e0 ti\u00eau chu\u1ea9n Inox cho h\u00f3a ch\u1ea5t, n\u0103ng l\u01b0\u1ee3ng, \u0111\u00f3ng t\u00e0u. T\u1ed1i \u01b0u tu\u1ed5i th\u1ecd, chi ph\u00ed v\u00e0 an to\u00e0n v\u1eadn h\u00e0nh.<\/p>\n","protected":false},"author":7,"featured_media":1012,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=1319"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1319\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1012"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}