{"id":7204,"date":"2026-06-18T10:56:53","date_gmt":"2026-06-18T02:56:53","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=7204"},"modified":"2026-06-18T10:56:53","modified_gmt":"2026-06-18T02:56:53","slug":"why-use-hd-1-high-silicon-stainless-steel-for-corrosion-prone-sulfuric-acid-tower-internals","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/why-use-hd-1-high-silicon-stainless-steel-for-corrosion-prone-sulfuric-acid-tower-internals\/","title":{"rendered":"T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 cho c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p s\u1ea3n xu\u1ea5t axit sulfuric d\u1ec5 b\u1ecb \u0103n m\u00f2n?"},"content":{"rendered":"

\"T\u1ea1i<\/h1>\n

C\u00e1c th\u00e1p s\u1ea5y v\u00e0 h\u1ea5p th\u1ee5 axit sulfuric t\u1ea1o ra \u00e1p l\u1ef1c b\u1ea5t th\u01b0\u1eddng l\u00ean c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p v\u00ec n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, s\u1ef1 ph\u00e2n b\u1ed1 ch\u1ea5t l\u1ecfng, s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi h\u01a1i v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nguy c\u01a1 \u0103n m\u00f2n. Khi ng\u01b0\u1eddi mua l\u1ef1a ch\u1ecdn b\u1ed9 ph\u00e2n ph\u1ed1i axit, gi\u00e1 \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p axit sulfuric kh\u00e1c ch\u1ec9 d\u1ef1a tr\u00ean t\u00ean g\u1ecdi chung chung l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, s\u1ef1 \u0103n m\u00f2n s\u1edbm c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 axit, ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec cao h\u01a1n v\u00e0 chu k\u1ef3 thay th\u1ebf ng\u1eafn h\u01a1n. M\u1ed9t quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u an to\u00e0n h\u01a1n n\u00ean li\u00ean k\u1ebft nhi\u1ec7m v\u1ee5 x\u1eed l\u00fd axit th\u1ef1c t\u1ebf v\u1edbi Th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1<\/b><\/u><\/strong><\/a>V\u1ecb tr\u00ed c\u1ee7a th\u00e1p v\u00e0 kho\u1ea3ng th\u1eddi gian b\u1ea3o tr\u00ec d\u1ef1 ki\u1ebfn.<\/p>\n

\u0110i\u1ec1u g\u00ec khi\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho th\u00e1p s\u1ea3n xu\u1ea5t axit sulfuric tr\u1edf th\u00e0nh m\u1ed9t quy\u1ebft \u0111\u1ecbnh c\u00f3 r\u1ee7i ro cao?<\/b><\/strong><\/h2>\n

R\u1ee7i ro v\u1ec1 v\u1eadt li\u1ec7u trong th\u00e1p ch\u1ee9a axit sulfuric kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 \u0103n m\u00f2n \u0111\u01a1n l\u1ebb. N\u00f3 xu\u1ea5t hi\u1ec7n khi n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, s\u1ef1 ph\u00e2n b\u1ed1 ch\u1ea5t l\u1ecfng, s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n ti\u1ebfp c\u1eadn t\u01b0\u01a1ng t\u00e1c xung quanh c\u00e1c b\u1ed9 ph\u00e2n ph\u1ed1i, \u0111\u01b0\u1eddng \u1ed1ng, gi\u00e1 \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 c\u00e1c v\u00f9ng ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u an to\u00e0n h\u01a1n l\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 nhu c\u1ea7u s\u1eed d\u1ee5ng axit th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 ho\u1eb7c b\u1ea5t k\u1ef3 h\u1ee3p kim ch\u1ed1ng \u0103n m\u00f2n n\u00e0o kh\u00e1c.<\/p>\n

R\u1ee7i ro \u0103n m\u00f2n, r\u00f2 r\u1ec9 axit v\u00e0 chi ph\u00ed ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch<\/b><\/strong><\/h3>\n

Hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u \u1edf c\u00e1c khe ph\u00e2n ph\u1ed1i, m\u00e9p m\u00e1ng, c\u1eeda ra c\u1ee7a \u1ed1ng, m\u1ed1i h\u00e0n, khu\u1ef7u n\u1ed1i, k\u1eb9p \u0111\u1ee1 v\u00e0 c\u00e1c khu v\u1ef1c n\u01a1i axit ti\u1ebfp x\u00fac l\u1ea7n \u0111\u1ea7u v\u1edbi v\u1eadt li\u1ec7u l\u00e0m k\u00edn. M\u1ed9t r\u00f2 r\u1ec9 nh\u1ecf t\u1ea1i b\u1ed9 ph\u00e2n ph\u1ed1i axit ho\u1eb7c m\u1ed1i n\u1ed1i \u1ed1ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u l\u00e0m k\u00edn, \u0103n m\u00f2n c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ee1 v\u00e0 bu\u1ed9c ph\u1ea3i c\u00e1ch ly kh\u1ea9n c\u1ea5p. Chi ph\u00ed l\u1edbn h\u01a1n th\u01b0\u1eddng l\u00e0 th\u1eddi gian v\u1eadn h\u00e0nh b\u1ecb m\u1ea5t, vi\u1ec7c xem x\u00e9t an to\u00e0n, c\u00f4ng vi\u1ec7c s\u1eeda ch\u1eefa v\u00e0 \u00e1p l\u1ef1c ph\u1ea3i ho\u00e0n th\u00e0nh vi\u1ec7c thay th\u1ebf trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ng\u1eafn.<\/p>\n

V\u00ec sao th\u00e9p kh\u00f4ng g\u1ec9 ti\u00eau chu\u1ea9n l\u1ea1i kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u khi s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng axit sulfuric?<\/b><\/strong><\/h3>\n

T\u00ean g\u1ecdi ti\u00eau chu\u1ea9n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 qu\u00e1 chung chung \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p ch\u1ee9a axit sulfuric. M\u1ed9t lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t n\u1ed3ng \u0111\u1ed9 axit nh\u1ea5t \u0111\u1ecbnh, \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 v\u1eadn t\u1ed1c th\u1ea5p ho\u1eb7c khu v\u1ef1c \u0111\u01b0\u1ee3c l\u00e0m \u01b0\u1edbt ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p khi \u0111\u1eb7t g\u1ea7n b\u1ed9 ph\u00e2n ph\u1ed1i axit \u0111\u1eadm \u0111\u1eb7c n\u00f3ng, giao di\u1ec7n kh\u00f4-\u01b0\u1edbt ho\u1eb7c \u0111\u1ec9nh th\u00e1p h\u1ea5p th\u1ee5. N\u1ebfu vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ch\u1ec9 d\u1eebng l\u1ea1i \u1edf nh\u00e3n th\u00e9p kh\u00f4ng g\u1ec9 chung chung, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 b\u1ecf qua c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0103n m\u00f2n th\u1ef1c t\u1ebf trong nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, v\u1ed1n l\u00e0 y\u1ebfu t\u1ed1 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/p>\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n quan tr\u1ecdng c\u1ee7a qu\u00e1 tr\u00ecnh: N\u1ed3ng \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9, v\u00f9ng \u1ea9m-kh\u00f4 v\u00e0 v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y.<\/b><\/strong><\/h3>\n

N\u1ed3ng \u0111\u1ed9 axit v\u00e0 nhi\u1ec7t \u0111\u1ed9 thi\u1ebft l\u1eadp ranh gi\u1edbi v\u1eadt li\u1ec7u \u0111\u1ea7u ti\u00ean, trong khi v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y, nguy c\u01a1 ch\u1ea5t r\u1eafn, ti\u1ebfp x\u00fac kh\u00ed, v\u00f9ng b\u1eafn t\u00f3e v\u00e0 qu\u00e1 tr\u00ecnh s\u1ea5y kh\u00f4 gi\u00e1n \u0111o\u1ea1n c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i c\u00e1ch th\u1ee9c \u0103n m\u00f2n ph\u00e1t tri\u1ec3n. Ng\u01b0\u1eddi mua n\u00ean \u0111\u00e1nh d\u1ea5u c\u00e1c v\u1ecb tr\u00ed s\u1eed d\u1ee5ng axit \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c \u0111o\u1ea1n u\u1ed1n cong c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng, c\u00e1c \u0111\u1ea7u ra c\u1ee7a b\u1ed9 ph\u00e2n ph\u1ed1i, c\u00e1c \u0111\u1ec9nh c\u1ee7a gio\u0103ng, c\u00e1c khu v\u1ef1c t\u01b0\u1eddng, c\u00e1c \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp h\u1ed7 tr\u1ee3 v\u00e0 c\u00e1c l\u1ed7 ki\u1ec3m tra \u0111\u1ec3 nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed3ng th\u1eddi s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc v\u00e0 \u0103n m\u00f2n do x\u00f3i m\u00f2n.<\/p>\n

C\u00e1ch l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u1ea5u t\u1ea1o b\u00ean trong th\u00e1p ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu axit<\/b><\/strong><\/h3>\n

M\u1ed9t ma tr\u1eadn l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf c\u1ea7n li\u00ean k\u1ebft t\u1eebng th\u00e0nh ph\u1ea7n b\u00ean trong th\u00e1p v\u1edbi \u0111\u1ed9 m\u1ea1nh c\u1ee7a axit, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9, l\u01b0u l\u01b0\u1ee3ng, th\u00e0nh ph\u1ea7n kh\u00ed, m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m\/kh\u00f4, gi\u1edbi h\u1ea1n ti\u1ebfp c\u1eadn, c\u00e1c \u0111i\u1ec3m h\u01b0 h\u1ecfng tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 m\u1ee5c ti\u00eau b\u1ea3o tr\u00ec. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh vi\u1ec7c b\u00e1o gi\u00e1 tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 so s\u00e1nh l\u1ecfng l\u1ebbo gi\u1eefa c\u00e1c lo\u1ea1i th\u00e9p kh\u00e1c nhau. Th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t theo v\u1ecb tr\u00ed c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 nhi\u1ec7m v\u1ee5 c\u1ee7a quy tr\u00ecnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u b\u1ed9 ph\u00e2n ph\u1ed1i axit, \u0111\u01b0\u1eddng \u1ed1ng, gi\u00e1 \u0111\u1ee1 gio\u0103ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn n\u00e2ng c\u1ea5p.<\/p>\n\n\n\n\n\n\n\n
\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/strong><\/td>\nNh\u1eefng \u0111i\u1ec1u ng\u01b0\u1eddi mua c\u1ea7n x\u00e1c nh\u1eadn<\/strong><\/td>\nV\u00ec sao n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/strong><\/td>\nGhi ch\u00fa y\u00eau c\u1ea7u b\u00e1o gi\u00e1<\/strong><\/td>\n<\/tr>\n
N\u1ed3ng \u0111\u1ed9 axit v\u00e0 nhi\u1ec7t \u0111\u1ed9<\/td>\nPh\u1ea1m vi b\u00ecnh th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh, \u0111i\u1ec1u ki\u1ec7n kh\u1edfi \u0111\u1ed9ng v\u00e0 s\u1ef1 c\u1ed1<\/td>\nThi\u1ebft l\u1eadp ranh gi\u1edbi ti\u1ebfp x\u00fac cho th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 ho\u1eb7c h\u1ee3p kim kh\u00e1c.<\/td>\nKh\u00f4ng n\u00ean tr\u00edch d\u1eabn ch\u1ec9 d\u1ef1a v\u00e0o t\u00ean v\u1eadt li\u1ec7u.<\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a axit<\/td>\nL\u01b0u l\u01b0\u1ee3ng \u0111\u1ea7u ra c\u1ee7a b\u1ed9 ph\u00e2n ph\u1ed1i, v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y trong \u1ed1ng, khu\u1ef7u \u1ed1ng, \u0111i\u1ec3m b\u1eafn t\u00f3e<\/td>\nNghi\u00ean c\u1ee9u n\u00e0y cho th\u1ea5y li\u1ec7u s\u1ef1 \u0103n m\u00f2n do x\u00f3i m\u00f2n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc hay kh\u00f4ng.<\/td>\n\u0110\u00e1nh d\u1ea5u c\u00e1c khu v\u1ef1c c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh tr\u00ean b\u1ea3n v\u1ebd<\/td>\n<\/tr>\n
Ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 kh\u00f4 r\u00e1o<\/td>\n\u0110\u00f3ng g\u00f3i ph\u1ea7n tr\u00ean, b\u1eafn t\u00f3e th\u00e0nh th\u00e1p, ti\u1ebfp x\u00fac h\u01a1i n\u01b0\u1edbc, khu v\u1ef1c s\u1ea5y khi t\u1eaft m\u00e1y<\/td>\nS\u1ef1 th\u1ea5m \u01b0\u1edbt gi\u00e1n \u0111o\u1ea1n c\u00f3 th\u1ec3 g\u00e2y ra \u0103n m\u00f2n c\u1ee5c b\u1ed9.<\/td>\nX\u00e1c \u0111\u1ecbnh c\u00e1c v\u00f9ng giao di\u1ec7n m\u1ed9t c\u00e1ch ri\u00eang bi\u1ec7t.<\/td>\n<\/tr>\n
V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t<\/td>\nB\u1ed9 ph\u00e2n ph\u1ed1i, \u1ed1ng d\u1eabn, m\u1eb7t b\u00edch, gi\u00e1 \u0111\u1ee1 gio\u0103ng, l\u01b0\u1edbi ch\u1eafn ho\u1eb7c m\u00f4-\u0111un n\u00e2ng c\u1ea5p<\/td>\nC\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u00f3 y\u00eau c\u1ea7u v\u1ec1 t\u1ea3i tr\u1ecdng, h\u00e0n v\u00e0 ki\u1ec3m tra kh\u00e1c nhau.<\/td>\nCh\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee9c n\u0103ng c\u1ee7a linh ki\u1ec7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silicon cao HD-1 ph\u00f9 h\u1ee3p \u1edf \u0111\u00e2u?<\/b><\/strong><\/h2>\n

HD-1 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t khi ng\u01b0\u1eddi mua chuy\u1ec3n t\u1eeb th\u1ea3o lu\u1eadn v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng sang \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 cho th\u00e1p ch\u1ee9a axit sulfuric. Th\u00f4ng tin v\u1eadt li\u1ec7u NHD m\u00f4 t\u1ea3 th\u00e9p kh\u00f4ng g\u1ec9 h\u1ee3p kim silic cao HD-1 l\u00e0 v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n chung b\u1edfi T\u1eadp \u0111o\u00e0n Giang T\u00f4 Xinhongda v\u00e0 Vi\u1ec7n Nghi\u00ean c\u1ee9u Kim lo\u1ea1i, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Trung Qu\u1ed1c, \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng axit sulfuric \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao. N\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt, c\u00f3 t\u00ednh \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9, v\u1ecb tr\u00ed linh ki\u1ec7n, nhu c\u1ea7u ch\u1ebf t\u1ea1o, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra v\u00e0 ph\u00e2n ph\u1ed1i ch\u1ea5t l\u1ecfng.<\/p>\n

\"C\u00e1c<\/p>\n

Th\u00e1p s\u1ea5y v\u00e0 h\u1ea5p th\u1ee5 & C\u00f4ng nghi\u1ec7p x\u1eed l\u00fd axit \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/b><\/strong><\/h3>\n

NHD \u1ee9ng d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 cho c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ee9a axit sulfuric \u0111\u1eadm \u0111\u1eb7c, n\u01a1i c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a th\u00e1p s\u1ea5y v\u00e0 th\u00e1p h\u1ea5p th\u1ee5 c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n so v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng. Th\u00f4ng tin s\u1ea3n ph\u1ea9m c\u1ee7a NHD li\u1ec7t k\u00ea c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a HD-1 bao g\u1ed3m: b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng-m\u00e1ng, d\u1ea1ng \u0111\u0129a v\u00e0 d\u1ea1ng \u1ed1ng; \u1ed1ng d\u1eabn v\u00e0o b\u1ed9 ph\u00e2n ph\u1ed1i; \u1ed1ng d\u1eabn axit; th\u00e2n th\u00e1p s\u1ea5y v\u00e0 th\u00e1p h\u1ea5p th\u1ee5; \u1ed1ng d\u1eabn axit sulfuric, khu\u1ef7u n\u1ed1i, m\u1eb7t b\u00edch, l\u01b0\u1edbi \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, b\u1ec3 tu\u1ea7n ho\u00e0n v\u00e0 b\u1ed9 l\u00e0m m\u00e1t axit. Ng\u01b0\u1eddi mua v\u1eabn c\u1ea7n x\u00e1c nh\u1eadn n\u1ed3ng \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9, ti\u1ebfp x\u00fac v\u1edbi kh\u00ed v\u00e0 nguy c\u01a1 pha lo\u00e3ng tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng.<\/p>\n

C\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng axit<\/b><\/strong><\/h3>\n

C\u00e1c b\u1ed9 ph\u00e2n ph\u1ed1i axit, \u0111\u01b0\u1eddng \u1ed1ng, khu\u1ef7u n\u1ed1i v\u00e0 m\u1eb7t b\u00edch ph\u1ea3i ch\u1ecbu s\u1ef1 t\u1ea5n c\u00f4ng h\u00f3a h\u1ecdc v\u00e0 \u1ee9ng su\u1ea5t th\u1ee7y l\u1ef1c. NHD \u0111\u1ecbnh v\u1ecb HD-1 trong d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. Lo\u1ea1t v\u1eadt li\u1ec7u<\/u><\/strong><\/a>Nh\u1edd \u0111\u00f3, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1eadt li\u1ec7u, quy tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 b\u1ed1 tr\u00ed th\u00e1p thay v\u00ec ch\u1ec9 d\u1eebng l\u1ea1i \u1edf t\u00ean lo\u1ea1i th\u00e9p.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n h\u1ed7 tr\u1ee3 \u0111\u00f3ng g\u00f3i<\/b><\/strong><\/h3>\n

C\u00e1c t\u1ea5m \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i ch\u1ecbu t\u1ea3i tr\u1ecdng c\u01a1 h\u1ecdc trong khi ti\u1ebfp x\u00fac v\u1edbi s\u01b0\u01a1ng axit, m\u00e0ng ch\u1ea5t l\u1ecfng v\u00e0 n\u01b0\u1edbc tho\u00e1t c\u1ee5c b\u1ed9. N\u1ebfu s\u1ef1 \u0103n m\u00f2n l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c t\u1ea5m \u0111\u1ee1, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 lan r\u1ed9ng d\u1eabn \u0111\u1ebfn s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, s\u1ef1 ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ec1u c\u1ee7a v\u1eadt li\u1ec7u tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 vi\u1ec7c ki\u1ec3m tra th\u00e1p tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/p>\n

Thi\u1ebft k\u1ebf b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1ed9 tin c\u1eady nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h2>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf b\u1ed9 ph\u00e2n ph\u1ed1i c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t \u0111\u1ed3ng th\u1eddi. Ngay c\u1ea3 h\u1ee3p kim t\u1ed1t h\u01a1n c\u0169ng kh\u00f4ng th\u1ec3 b\u00f9 \u0111\u1eafp cho vi\u1ec7c ph\u00e2n ph\u1ed1i ch\u1ea5t l\u1ecfng k\u00e9m, \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y b\u1ecb t\u1eafc ngh\u1ebdn ho\u1eb7c c\u00e1c khu v\u1ef1c \u0111\u00f3ng g\u00f3i b\u1ecb kh\u00f4. B\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng-m\u00e1ng gi\u00fap ng\u01b0\u1eddi mua th\u1ea3o lu\u1eadn v\u1ec1 v\u1eadt li\u1ec7u th\u00e2n, m\u1eadt \u0111\u1ed9 \u0111i\u1ec3m ph\u00e2n ph\u1ed1i, \u0111\u1ed9 ph\u1ee7 m\u00e0ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a gio\u0103ng trong m\u1ed9t l\u1ea7n xem x\u00e9t.<\/p>\n

\"Linh<\/p>\n

V\u1eadt li\u1ec7u th\u00e2n m\u00e1y ph\u00e2n ph\u1ed1i HD-1<\/b><\/strong><\/h3>\n

B\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 austenit h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 cho th\u00e2n b\u1ed9 ph\u00e2n ph\u1ed1i trong c\u00e1c th\u00e1p h\u1ea5p th\u1ee5 v\u00e0 s\u1ea5y axit sulfuric. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec b\u1ed9 ph\u00e2n ph\u1ed1i x\u1eed l\u00fd d\u00f2ng axit tr\u01b0\u1edbc khi ch\u1ea5t l\u1ecfng \u0111\u1ebfn \u0111\u01b0\u1ee3c b\u1ed9 ph\u1eadn l\u00e0m k\u00edn, do \u0111\u00f3, c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ec1 v\u1eadt li\u1ec7u, h\u00e0n, l\u1eafp r\u00e1p v\u00e0 c\u1ea3i ti\u1ebfn th\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t \u0111\u1ed3ng th\u1eddi. Th\u00f4ng tin s\u1ea3n ph\u1ea9m c\u1ee7a NHD cho bi\u1ebft h\u1ee3p kim HD-1 c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o v\u1ec7 anot, v\u1edbi tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng tr\u00ean 15 n\u0103m trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh ph\u00f9 h\u1ee3p.<\/p>\n

M\u1eadt \u0111\u1ed9 \u0111i\u1ec3m ph\u00e2n b\u1ed1 v\u00e0 \u0111\u1ed9 ph\u1ee7 m\u00e0ng ch\u1ea5t l\u1ecfng \u1ed5n \u0111\u1ecbnh<\/b><\/strong><\/h3>\n

M\u1eadt \u0111\u1ed9 \u0111i\u1ec3m ph\u00e2n ph\u1ed1i c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean \u0111\u01b0\u1eddng k\u00ednh th\u00e1p, l\u01b0u l\u01b0\u1ee3ng, lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 t\u1ea3i tr\u1ecdng v\u1eadn h\u00e0nh. Th\u00f4ng tin v\u1ec1 b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng-m\u00e1ng NHD quy \u0111\u1ecbnh m\u1eadt \u0111\u1ed9 ph\u00e2n ph\u1ed1i axit kh\u00f4ng d\u01b0\u1edbi 42 \u0111i\u1ec3m\/m\u00b2, v\u1edbi s\u1ed1 \u0111i\u1ec3m c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh theo y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n. M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u1ee7 m\u00e0ng ch\u1ea5t l\u1ecfng \u1ed5n \u0111\u1ecbnh, \u00edt v\u00f9ng kh\u00f4 v\u00e0 \u00edt \u0111i\u1ec3m qu\u00e1 t\u1ea3i, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 sao ch\u00e9p b\u1ed1 c\u1ee5c t\u1eeb m\u1ed9t nh\u00e0 m\u00e1y kh\u00e1c.<\/p>\n

Kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u00e0 h\u1ea5p th\u1ee5 c\u1ee7a bao b\u00ec<\/b><\/strong><\/h3>\n

L\u1edbp m\u00e0ng l\u1ecfng \u1ed5n \u0111\u1ecbnh gi\u00fap b\u1ea3o v\u1ec7 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i b\u1eb1ng c\u00e1ch ph\u00e2n t\u00e1n axit \u0111\u1ec1u h\u01a1n thay v\u00ec ch\u1ec9 t\u00e1c \u0111\u1ed9ng v\u00e0o c\u00e1c khu v\u1ef1c ri\u00eang l\u1ebb. N\u00f3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 hi\u1ec7u qu\u1ea3 h\u1ea5p th\u1ee5, nh\u01b0ng hi\u1ec7u su\u1ea5t v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o d\u1eef li\u1ec7u quy tr\u00ecnh, t\u00ecnh tr\u1ea1ng th\u00e1p v\u00e0 k\u1ef7 lu\u1eadt v\u1eadn h\u00e0nh.<\/p>\n

Ng\u01b0\u1eddi mua n\u00ean x\u00e2y d\u1ef1ng y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/strong><\/h2>\n

B\u1ea3n y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) v\u1ec1 v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n c\u1ea7n gi\u00fap nh\u00e0 cung c\u1ea5p hi\u1ec3u r\u00f5 v\u1ec1 th\u00e1p tr\u01b0\u1edbc khi \u0111\u01b0a ra khuy\u1ebfn ngh\u1ecb v\u1ec1 thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u ho\u1eb7c linh ki\u1ec7n. G\u00f3i y\u00eau c\u1ea7u b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t c\u1ea7n k\u1ebft h\u1ee3p d\u1eef li\u1ec7u v\u1ec1 c\u1ea5u tr\u00fac trung b\u00ecnh, b\u1ea3n v\u1ebd th\u00e1p, gi\u1edbi h\u1ea1n l\u1eafp \u0111\u1eb7t, k\u1ef3 v\u1ecdng ki\u1ec3m tra v\u00e0 nhu c\u1ea7u b\u1eb1ng ch\u1ee9ng v\u1eadt li\u1ec7u, \u0111\u1eb7c bi\u1ec7t khi so s\u00e1nh HD-1 v\u1edbi m\u1ed9t h\u1ee3p kim ch\u1ed1ng \u0103n m\u00f2n kh\u00e1c.<\/p>\n

\u0110\u00e1nh gi\u00e1 d\u1eef li\u1ec7u\/b\u1eb1ng ch\u1ee9ng v\u1eadt ch\u1ea5t v\u1ec1 ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 quy tr\u00ecnh<\/b><\/strong><\/h3>\n

H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c xem x\u00e9t n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 tu\u1ea7n ho\u00e0n axit, th\u00e0nh ph\u1ea7n kh\u00ed, v\u1eadn t\u1ed1c, nguy c\u01a1 t\u1ea1p ch\u1ea5t ho\u1eb7c ch\u1ea5t r\u1eafn, v\u00e0 ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh. Sau \u0111\u00f3, h\u00e3y h\u1ecfi xem c\u00f3 b\u1eb1ng ch\u1ee9ng v\u1eadt ch\u1ea5t n\u00e0o h\u1ed7 tr\u1ee3 cho v\u1eadt li\u1ec7u ph\u00e2n ph\u1ed1i axit ho\u1eb7c c\u1ea5u tr\u00fac b\u00ean trong th\u00e1p \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t hay kh\u00f4ng, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng HD-1, c\u01a1 s\u1edf ch\u1ed1ng \u0103n m\u00f2n, y\u00eau c\u1ea7u h\u00e0n v\u00e0 l\u1eafp r\u00e1p, v\u00e0 li\u1ec7u nhi\u1ec7m v\u1ee5 l\u00e0 s\u1eed d\u1ee5ng axit \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao hay \u0111i\u1ec1u ki\u1ec7n kh\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t ri\u00eang.<\/p>\n

Gi\u1edbi h\u1ea1n v\u1ec1 b\u1ea3n v\u1ebd v\u00e0 l\u1eafp \u0111\u1eb7t th\u00e1p<\/b><\/strong><\/h3>\n

Cung c\u1ea5p \u0111\u01b0\u1eddng k\u00ednh th\u00e1p, \u0111\u1ed9 cao c\u1ee7a b\u1ed9 ph\u00e2n ph\u1ed1i, chi\u1ec1u cao l\u1edbp \u0111\u1ec7m, k\u00edch th\u01b0\u1edbc h\u1ed1 ga, b\u1ed1 tr\u00ed gi\u00e1 \u0111\u1ee1, v\u1ecb tr\u00ed v\u00f2i phun v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 vi\u1ec7c n\u00e2ng c\u1ea5p. Nh\u1eefng chi ti\u1ebft n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc ch\u1ebf t\u1ea1o, tr\u00ecnh t\u1ef1 l\u1eafp \u0111\u1eb7t, ph\u01b0\u01a1ng ph\u00e1p h\u00e0n v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n

Tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng v\u00e0 m\u1ee5c ti\u00eau b\u1ea3o tr\u00ec<\/b><\/strong><\/h3>\n

H\u00e3y n\u00eau r\u00f5 kho\u1ea3ng th\u1eddi gian ki\u1ec3m tra m\u1ee5c ti\u00eau, th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng, k\u1ebf ho\u1ea1ch d\u1ef1 ph\u00f2ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 h\u1ecfng tr\u01b0\u1edbc \u0111\u00f3. Trong qu\u00e1 tr\u00ecnh b\u00e1o gi\u00e1 th\u1ef1c t\u1ebf, ng\u01b0\u1eddi mua c\u1ea7n \u0111\u00ednh k\u00e8m b\u1ea3n v\u1ebd th\u00e1p, \u0111\u00e1nh d\u1ea5u b\u1ed9 ph\u00e2n ph\u1ed1i ho\u1eb7c \u0111o\u1ea1n \u1ed1ng b\u1ecb h\u1ecfng, x\u00e1c nh\u1eadn k\u00edch th\u01b0\u1edbc h\u1ed1 ga v\u00e0 ghi ch\u00fa xem b\u1ed9 ph\u1eadn \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n nguy\u00ean kh\u1ed1i hay chia nh\u1ecf \u0111\u1ec3 l\u1eafp \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 li\u00ean h\u1ec7 NHD<\/u><\/strong><\/a>\u00a0V\u1edbi d\u1eef li\u1ec7u n\u00e0y, thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u v\u00e0 b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i so v\u1edbi y\u00eau c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a quy tr\u00ecnh.<\/p>\n\n\n\n\n\n\n\n
M\u1ee5c y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ)<\/strong><\/td>\nTh\u00f4ng tin c\u1ea7n cung c\u1ea5p<\/strong><\/td>\nN\u00f3 gi\u00fap \u00edch cho qu\u00e1 tr\u00ecnh tuy\u1ec3n ch\u1ecdn nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/td>\n<\/tr>\n
D\u1eef li\u1ec7u trung b\u00ecnh<\/td>\nN\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, t\u1ea1p ch\u1ea5t, ti\u1ebfp x\u00fac kh\u00ed, ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh<\/td>\nX\u00e1c \u0111\u1ecbnh r\u1ee7i ro \u0103n m\u00f2n nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t v\u00e0 ranh gi\u1edbi xem x\u00e9t h\u1ee3p kim.<\/td>\n<\/tr>\n
D\u1eef li\u1ec7u th\u1ee7y l\u1ef1c<\/td>\nT\u1ed1c \u0111\u1ed9 tu\u1ea7n ho\u00e0n, l\u01b0u l\u01b0\u1ee3ng ph\u00e2n ph\u1ed1i, v\u1eadn t\u1ed1c, \u00e1p su\u1ea5t ho\u1eb7c gi\u1edbi h\u1ea1n c\u1ed9t \u00e1p<\/td>\nH\u1ed7 tr\u1ee3 xem x\u00e9t thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u1ed9 ph\u00e2n ph\u1ed1i axit v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ea7u ra.<\/td>\n<\/tr>\n
B\u1ea3n v\u1ebd th\u00e1p<\/td>\n\u0110\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao \u0111\u00f3ng g\u00f3i, m\u1ee9c ph\u00e2n ph\u1ed1i, c\u1eeda th\u0103m, v\u00f2i phun, chi ti\u1ebft gi\u00e1 \u0111\u1ee1<\/td>\nHi\u1ec3n th\u1ecb gi\u1edbi h\u1ea1n l\u1eafp \u0111\u1eb7t v\u00e0 v\u00f9ng giao di\u1ec7n kh\u00f4-\u01b0\u1edbt.<\/td>\n<\/tr>\n
L\u1ecbch s\u1eed b\u1ea3o tr\u00ec<\/td>\nC\u00e1c b\u1ed9 ph\u1eadn h\u1ecfng, \u0111i\u1ec3m r\u00f2 r\u1ec9, t\u1ea7n su\u1ea5t s\u1eeda ch\u1eefa, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra<\/td>\nNh\u1eefng \u0111i\u1ec3m c\u1ea7n xem x\u00e9t k\u1ef9 h\u01a1n v\u1ec1 ch\u1ea5t li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ea1i sao n\u00ean ch\u1ecdn NHD \u0111\u1ec3 cung c\u1ea5p c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p s\u1ea3n xu\u1ea5t axit sulfuric?<\/b><\/strong><\/h2>\n

\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p x\u1eed l\u00fd axit sulfuric, ng\u01b0\u1eddi mua c\u1ea7n nhi\u1ec1u h\u01a1n ch\u1ec9 l\u00e0 t\u00ean v\u1eadt li\u1ec7u. H\u1ecd c\u1ea7n m\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1eadt li\u1ec7u HD-1, kinh nghi\u1ec7m v\u1ec1 thi\u1ebft b\u1ecb axit sulfuric, m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i, t\u00ednh kh\u1ea3 thi trong ch\u1ebf t\u1ea1o, gi\u1edbi h\u1ea1n n\u00e2ng c\u1ea5p v\u00e0 m\u1ee5c ti\u00eau b\u1ea3o tr\u00ec. D\u00f2ng s\u1ea3n ph\u1ea9m v\u00e0 quy tr\u00ecnh \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt c\u1ee7a NHD gi\u00fap \u0111\u1ecbnh h\u01b0\u1edbng cu\u1ed9c th\u1ea3o lu\u1eadn theo h\u01b0\u1edbng l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh.<\/p>\n

Kinh nghi\u1ec7m chuy\u00ean m\u00f4n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh v\u1ec1 v\u1eadt li\u1ec7u HD-1 v\u00e0 d\u00f2ng thi\u1ebft b\u1ecb x\u1eed l\u00fd axit sulfuric.<\/b><\/strong><\/h3>\n

NHD \u0111\u00e3 ph\u00e1t tri\u1ec3n HD-1 c\u00f9ng v\u1edbi Vi\u1ec7n Nghi\u00ean c\u1ee9u Kim lo\u1ea1i, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Trung Qu\u1ed1c, d\u00e0nh cho thi\u1ebft b\u1ecb x\u1eed l\u00fd axit sulfuric \u0111\u1eadm \u0111\u1eb7c \u1edf nhi\u1ec7t \u0111\u1ed9 cao. S\u1ef1 h\u1ee3p t\u00e1c n\u00e0y gi\u00fap th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean d\u1ee5ng cho axit sulfuric ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c lo\u1ea1i kim lo\u1ea1i th\u00f4ng th\u01b0\u1eddng. D\u00f2ng s\u1ea3n ph\u1ea9m thi\u1ebft b\u1ecb x\u1eed l\u00fd axit sulfuric c\u1ee7a NHD c\u0169ng bao g\u1ed3m b\u1ed9 l\u1ecdc s\u01b0\u01a1ng m\u00f9, b\u1ed9 l\u1ecdc s\u01b0\u01a1ng b\u1eb1ng d\u00e2y, b\u1ed9 gia nhi\u1ec7t kh\u00ed, b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng m\u00e1ng, b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u0111\u0129a, b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng v\u00e0 ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng \u1ed1ng h\u1ee3p kim silic cao HD-1, cho ph\u00e9p ng\u01b0\u1eddi mua d\u1ec5 d\u00e0ng xem x\u00e9t c\u00e1c b\u1ed9 ph\u00e2n ph\u1ed1i axit, \u0111\u01b0\u1eddng \u1ed1ng, gi\u00e1 \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p li\u00ean quan trong c\u00f9ng m\u1ed9t cu\u1ed9c trao \u0111\u1ed5i.<\/p>\n

L\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt.<\/b><\/strong><\/h3>\n

C\u00e1c th\u00e1p m\u1edbi, th\u00e1p c\u0169 v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o hi\u1ebfm khi c\u00f3 c\u00f9ng \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp c\u1eadn, h\u1ed7 tr\u1ee3 v\u00e0 l\u01b0u l\u01b0\u1ee3ng. NHD c\u00f3 th\u1ec3 xem x\u00e9t d\u1eef li\u1ec7u m\u00f4i ch\u1ea5t, b\u1ea3n v\u1ebd th\u00e1p, c\u00e1c \u0111i\u1ec3m h\u1ecfng h\u00f3c hi\u1ec7n t\u1ea1i, v\u1ecb tr\u00ed linh ki\u1ec7n, \u0111\u01b0\u1eddng d\u1eabn axit, nhu c\u1ea7u h\u00e0n, gi\u1edbi h\u1ea1n v\u1eadn chuy\u1ec3n, h\u1ea1n ch\u1ebf l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ee5c ti\u00eau d\u1ecbch v\u1ee5 tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn cu\u1ed1i c\u00f9ng. V\u1ec1 th\u00f4ng tin doanh nghi\u1ec7p, NHD b\u00e1o c\u00e1o \u0111\u00e3 ph\u1ee5c v\u1ee5 h\u01a1n 800 d\u1ef1 \u00e1n v\u00e0 c\u00f3 ho\u1ea1t \u0111\u1ed9ng kinh doanh th\u01b0\u1eddng xuy\u00ean v\u1edbi h\u01a1n 1000 kh\u00e1ch h\u00e0ng tr\u00ean nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m c\u1ea3 axit sulfuric; c\u00f4ng ty c\u0169ng c\u00f3 260 k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean, 50 chuy\u00ean gia, h\u01a1n 300 b\u1eb1ng s\u00e1ng ch\u1ebf v\u00e0 c\u00e1c ch\u1ee9ng nh\u1eadn ISO 9001:2015, ISO 14001:2015 v\u00e0 ISO 45001:2018. Nh\u1eefng th\u00f4ng tin n\u00e0y kh\u00f4ng thay th\u1ebf vi\u1ec7c xem x\u00e9t \u0103n m\u00f2n c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n, nh\u01b0ng ch\u00fang gi\u00fap ng\u01b0\u1eddi mua \u0111\u00e1nh gi\u00e1 xem nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh v\u00e0 thi\u1ebft k\u1ebf b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng-m\u00e1ng hay kh\u00f4ng.<\/p>\n

K\u1ebft lu\u1eadn<\/b><\/strong><\/h2>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p axit sulfuric d\u1ec5 b\u1ecb \u0103n m\u00f2n c\u1ea7n d\u1ef1a tr\u00ean n\u1ed3ng \u0111\u1ed9 axit, nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec1u ki\u1ec7n d\u00f2ng ch\u1ea3y, m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f4-\u01b0\u1edbt, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ee5c ti\u00eau b\u1ea3o tr\u00ec, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o nh\u00e3n m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng th\u01b0\u1eddng. Th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 cung c\u1ea5p cho ng\u01b0\u1eddi mua \u0111\u1ecbnh h\u01b0\u1edbng v\u1eadt li\u1ec7u cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a th\u00e1p s\u1ea5y v\u00e0 h\u1ea5p th\u1ee5, trong khi NHD c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1eadt li\u1ec7u HD-1, thi\u1ebft k\u1ebf b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p axit sulfuric ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7m v\u1ee5 th\u1ef1c t\u1ebf c\u1ee7a quy tr\u00ecnh.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/b><\/strong><\/h2>\n

C\u00e2u 1: Khi n\u00e0o ng\u01b0\u1eddi mua n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 cho c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p x\u1eed l\u00fd axit sulfuric?<\/strong><\/p>\n

A1: Ng\u01b0\u1eddi mua n\u00ean c\u00e2n nh\u1eafc \u0111i\u1ec1u n\u00e0y khi c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a th\u00e1p s\u1ea5y ho\u1eb7c th\u00e1p h\u1ea5p th\u1ee5 ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng axit sulfuric \u0111\u1eadm \u0111\u1eb7c, nhi\u1ec7t \u0111\u1ed9 cao, b\u1ecb \u01b0\u1edbt l\u1eb7p \u0111i l\u1eb7p l\u1ea1i ho\u1eb7c b\u1ecb \u0103n m\u00f2n t\u1ea1i c\u00e1c b\u1ed9 ph\u1eadn ph\u00e2n ph\u1ed1i axit, \u0111\u01b0\u1eddng \u1ed1ng, gi\u00e1 \u0111\u1ee1 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong li\u00ean quan. Quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra d\u1ef1a tr\u00ean n\u1ed3ng \u0111\u1ed9 axit th\u1ef1c t\u1ebf, nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac kh\u00f4-\u01b0\u1edbt.<\/p>\n

C\u00e2u 2: Nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t c\u1ea7n cung c\u1ea5p nh\u1eefng d\u1eef li\u1ec7u g\u00ec tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00e2n ph\u1ed1i axit?<\/strong><\/p>\n

A2: Nh\u00e0 m\u00e1y c\u1ea7n cung c\u1ea5p th\u00f4ng tin v\u1ec1 n\u1ed3ng \u0111\u1ed9 axit, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9, l\u01b0u l\u01b0\u1ee3ng axit, \u0111i\u1ec1u ki\u1ec7n kh\u00ed, b\u1ea3n v\u1ebd th\u00e1p, v\u1ecb tr\u00ed b\u1ed9 ph\u00e2n ph\u1ed1i, lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i, v\u00f9ng kh\u00f4-\u01b0\u1edbt, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra, l\u1ecbch s\u1eed b\u1ea3o tr\u00ec v\u00e0 kho\u1ea3ng th\u1eddi gian d\u1ef1 ki\u1ebfn \u200b\u200bng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

C\u00e2u 3: B\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng h\u1ed7 tr\u1ee3 \u0111\u1ed9 tin c\u1eady c\u1ee7a th\u00e1p gi\u1ea3i ph\u00f3ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\n

A3: B\u1ed9 ph\u1eadn n\u00e0y k\u1ebft n\u1ed1i v\u1eadt li\u1ec7u th\u00e2n b\u1ed9 ph\u00e2n ph\u1ed1i HD-1 v\u1edbi b\u1ed1 c\u1ee5c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e2n ph\u1ed1i axit \u1ed5n \u0111\u1ecbnh. Th\u00f4ng tin v\u1ec1 b\u1ed9 ph\u00e2n ph\u1ed1i axit d\u1ea1ng \u1ed1ng-m\u00e1ng NHD quy \u0111\u1ecbnh ph\u00e2n ph\u1ed1i axit \u1edf m\u1ee9c kh\u00f4ng d\u01b0\u1edbi 42 \u0111i\u1ec3m\/m\u00b2, v\u1edbi c\u00e1c \u0111i\u1ec3m ph\u00e2n ph\u1ed1i c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh theo y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n. Khi xem x\u00e9t \u0111\u1ed3ng th\u1eddi c\u00e1c \u0111i\u1ec3m ph\u00e2n ph\u1ed1i v\u00e0 c\u00f4ng su\u1ea5t th\u00e1p, thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1ed9 ph\u1ee7 m\u00e0ng ch\u1ea5t l\u1ecfng \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n, b\u1ea3o v\u1ec7 v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i t\u1ed1t h\u01a1n v\u00e0 k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec r\u00f5 r\u00e0ng h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"

T\u00ecm hi\u1ec3u c\u00e1ch th\u00e9p kh\u00f4ng g\u1ec9 h\u00e0m l\u01b0\u1ee3ng silic cao HD-1 h\u1ed7 tr\u1ee3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong th\u00e1p x\u1eed l\u00fd axit sulfuric b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u1ea3i tr\u1ecdng axit, thi\u1ebft k\u1ebf b\u1ed9 ph\u00e2n ph\u1ed1i, d\u1eef li\u1ec7u y\u00eau c\u1ea7u b\u00e1o gi\u00e1 v\u00e0 \u0111\u00e1nh gi\u00e1 NHD.<\/p>","protected":false},"author":1,"featured_media":7207,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-7204","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\/7204","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=7204"}],"version-history":[{"count":2,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/7204\/revisions"}],"predecessor-version":[{"id":7209,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/posts\/7204\/revisions\/7209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media\/7207"}],"wp:attachment":[{"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/media?parent=7204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/categories?post=7204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chinanhd.com\/vi\/wp-json\/wp\/v2\/tags?post=7204"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}