{"id":1120,"date":"2026-09-23T01:31:32","date_gmt":"2026-09-23T01:31:32","guid":{"rendered":"https:\/\/wdlvalve.com\/?p=1120"},"modified":"2026-09-23T01:31:32","modified_gmt":"2026-09-23T01:31:32","slug":"van-dau-khi-ngoai-khoi","status":"publish","type":"post","link":"https:\/\/wdlvalve.com\/vi\/van-dau-khi-ngoai-khoi\/","title":{"rendered":"Van d\u1ea7u kh\u00ed ngo\u00e0i kh\u01a1i: \u1ee8ng d\u1ee5ng, v\u1eadt li\u1ec7u v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn"},"content":{"rendered":"

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C\u00e1c van d\u1ea7u kh\u00ed ngo\u00e0i kh\u01a1i \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng c\u00e1ch ly, \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u1ea3y ng\u01b0\u1ee3c tr\u00ean c\u00e1c gi\u00e0n khoan, m\u00f4-\u0111un x\u1eed l\u00fd v\u00e0 h\u1ec7 th\u1ed1ng ti\u1ec7n \u00edch h\u00e0ng h\u1ea3i. Vi\u1ec7c l\u1ef1a ch\u1ecdn van ph\u1ea3i t\u00ednh \u0111\u1ebfn \u00e1p su\u1ea5t v\u1eadn h\u00e0nh, hydrocacbon, clorua, hydro sunfua, s\u1ef1 ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc m\u1eb7n t\u1eeb b\u00ean ngo\u00e0i v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp c\u1eadn b\u1ea3o tr\u00ec h\u1ea1n ch\u1ebf.<\/p>\n

WDL Valve<\/strong> cung c\u1ea5p c\u00e1c lo\u1ea1i van bi, van c\u1ed5ng, van c\u1ea7u, van m\u1ed9t chi\u1ec1u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n d\u00f9ng cho h\u1ec7 th\u1ed1ng hydrocacbon, n\u01b0\u1edbc khai th\u00e1c, n\u01b0\u1edbc bi\u1ec3n, kh\u00ed \u0111\u1ed1t v\u00e0 d\u1ecbch v\u1ee5 ti\u1ec7n \u00edch.<\/p>\n<\/header>\n

 <\/p>\n

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Van \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u tr\u00ean c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i?<\/h2>\n

C\u00e1c van ngo\u00e0i kh\u01a1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1eeb \u0111\u1ea7u gi\u1ebfng v\u00e0 h\u1ec7 th\u1ed1ng t\u00e1ch s\u1ea3n ph\u1ea9m cho \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng n\u00e9n kh\u00ed, b\u01a1m n\u01b0\u1edbc, l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc bi\u1ec3n, tho\u00e1t n\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng xu\u1ea5t kh\u1ea9u. M\u1ed7i \u1ee9ng d\u1ee5ng \u0111\u1ec1u \u0111\u1eb7t ra m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p kh\u00e1c nhau gi\u1eefa c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u00e1p su\u1ea5t, \u0103n m\u00f2n, x\u00f3i m\u00f2n v\u00e0 an to\u00e0n.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
H\u1ec7 th\u1ed1ng ngo\u00e0i kh\u01a1i<\/th>\nCh\u1ee9c n\u0103ng van<\/th>\nC\u00e1c r\u1ee7i ro ch\u00ednh li\u00ean quan \u0111\u1ebfn d\u1ecbch v\u1ee5<\/th>\nC\u00e1c lo\u1ea1i van ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n
S\u1ea3n xu\u1ea5t v\u00e0 t\u00e1ch chi\u1ebft<\/td>\nC\u00e1ch ly v\u00e0 \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh<\/td>\n\u00c1p su\u1ea5t cao, d\u00f2ng ch\u1ea3y \u0111a pha, c\u00e1t v\u00e0 kh\u00ed chua<\/td>\nVan bi, van c\u1ed5ng, van c\u1ea7u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
N\u00e9n kh\u00ed<\/td>\nC\u00e1ch ly, ki\u1ec3m so\u00e1t t\u00e1i ch\u1ebf v\u00e0 ch\u1ed1ng tr\u00e0o ng\u01b0\u1ee3c<\/td>\n\u00c1p su\u1ea5t cao, rung \u0111\u1ed9ng v\u00e0 s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t \u0111\u1ed9t ng\u1ed9t<\/td>\nVan bi, van m\u1ed9t chi\u1ec1u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1eeb qu\u00e1 tr\u00ecnh khai th\u00e1c<\/td>\nC\u00e1ch ly v\u00e0 \u0111i\u1ec1u ti\u1ebft d\u00f2ng ch\u1ea3y<\/td>\nClorua, kh\u00ed h\u00f2a tan, h\u00f3a ch\u1ea5t v\u00e0 ch\u1ea5t r\u1eafn<\/td>\nVan bi, van c\u1ed5ng, van c\u1ea7u v\u00e0 van m\u1ed9t chi\u1ec1u<\/td>\n<\/tr>\n
B\u01a1m n\u01b0\u1edbc bi\u1ec3n v\u00e0 b\u01a1m n\u01b0\u1edbc<\/td>\nC\u00e1ch ly, \u0111i\u1ec1u khi\u1ec3n v\u00e0 ng\u0103n ch\u1eb7n d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c c\u1ee7a b\u01a1m<\/td>\nS\u1ef1 r\u1ed7, \u0103n m\u00f2n khe h\u1edf, x\u00f3i m\u00f2n v\u00e0 b\u00e1m b\u1ea9n sinh h\u1ecdc<\/td>\nVan b\u01b0\u1edbm, van bi, van c\u1ed5ng, van m\u1ed9t chi\u1ec1u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
Kh\u00ed \u0111\u1ed1t v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ti\u1ec7n \u00edch<\/td>\nC\u00e1ch ly ch\u1eb7t ch\u1ebd v\u00e0 ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t<\/td>\nNguy c\u01a1 ch\u00e1y, r\u00f2 r\u1ec9 v\u00e0 vi\u1ec7c b\u1eadt\/t\u1eaft li\u00ean t\u1ee5c<\/td>\nVan bi, van c\u1ea7u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n
Xu\u1ea5t kh\u1ea9u v\u00e0 b\u1ed1c h\u00e0ng<\/td>\nX\u1eed l\u00fd t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p v\u00e0 c\u00e1ch ly \u0111\u01b0\u1eddng \u1ed1ng<\/td>\n\u00c1p su\u1ea5t, an to\u00e0n ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y v\u00e0 van ng\u1eaft kh\u1ea9n c\u1ea5p<\/td>\nVan bi, van c\u1ed5ng v\u00e0 van m\u1ed9t chi\u1ec1u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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WDL Valve d\u00e0nh cho ng\u00e0nh d\u1ea7u kh\u00ed ngo\u00e0i kh\u01a1i<\/h2>\n

C\u00e1c s\u1ea3n ph\u1ea9m WDL sau \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p ban \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00e1ch ly ch\u1ea5t l\u1ecfng \u0103n m\u00f2n v\u00e0 van m\u1ed9t chi\u1ec1u. T\u00ednh ph\u00f9 h\u1ee3p cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn d\u1ef1a tr\u00ean b\u1ea3ng d\u1eef li\u1ec7u d\u1ef1 \u00e1n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u, c\u1ea5p \u00e1p su\u1ea5t v\u00e0 ch\u1ee9ng nh\u1eadn b\u1eaft bu\u1ed9c.<\/p>\n


\n\"Van
\nVan bi hai chi\u1ec1u<\/strong>
\nC\u00e1ch ly k\u00edn ch\u1ed1ng \u0103n m\u00f2n<\/span><\/a>
\n\"Van
\nVan c\u1ed5ng hai chi\u1ec1u<\/strong>
\nC\u00e1ch ly \u0111\u01b0\u1eddng \u1ed1ng \u1edf \u00e1p su\u1ea5t t\u1ed1i \u0111a<\/span><\/a>
\n\"Van
\nVan m\u1ed9t chi\u1ec1u hai chi\u1ec1u<\/strong>
\nB\u01a1m v\u00e0 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c<\/span>
\n<\/a><\/p>\n<\/div>\n<\/section>\n
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Nh\u1eefng lo\u1ea1i van n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngo\u00e0i kh\u01a1i?<\/h2>\n

Van bi<\/a><\/h3>\n

Van bi mang l\u1ea1i kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh nhanh ch\u00f3ng, t\u1ed5n th\u1ea5t \u00e1p su\u1ea5t th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng c\u00e1ch ly k\u00edn kh\u00edt. C\u00e1c thi\u1ebft k\u1ebf van bi l\u1eafp tr\u00ean tr\u1ee5c xoay c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea7y \u0111\u1ee7 th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem x\u00e9t s\u1eed d\u1ee5ng cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng s\u1ea3n xu\u1ea5t v\u00e0 xu\u1ea5t kh\u1ea9u \u00e1p su\u1ea5t cao. C\u1ea7n ph\u1ea3i quy \u0111\u1ecbnh r\u00f5 thi\u1ebft k\u1ebf \u0111\u1ebf van, c\u01a1 ch\u1ebf x\u1ea3 \u00e1p khoang van, c\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n ph\u00f2ng ch\u00e1y v\u00e0 m\u00f4-men xo\u1eafn v\u1eadn h\u00e0nh.<\/p>\n

Van c\u1ed5ng<\/a><\/h3>\n

Van c\u1ed5ng \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng c\u00e1ch ly d\u00f2ng ch\u1ea3y th\u1eb3ng v\u1edbi l\u1ef1c c\u1ea3n d\u00f2ng ch\u1ea3y th\u1ea5p. Lo\u1ea1i van n\u00e0y th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u1edf tr\u1ea1ng th\u00e1i m\u1edf ho\u00e0n to\u00e0n ho\u1eb7c \u0111\u00f3ng ho\u00e0n to\u00e0n, nh\u01b0ng kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng van c\u1ed5ng ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng li\u00ean t\u1ee5c.<\/p>\n

Van c\u1ea7u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n<\/a><\/h3>\n

Van c\u1ea7u v\u00e0 van \u0111i\u1ec1u khi\u1ec3n c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t, m\u1ee9c ch\u1ea5t l\u1ecfng v\u00e0 l\u01b0u l\u01b0\u1ee3ng trong c\u00e1c m\u00f4-\u0111un quy tr\u00ecnh. Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 ph\u1eadn b\u00ean trong van ph\u1ea3i t\u00ednh \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng x\u00e2m th\u1ef1c, hi\u1ec7n t\u01b0\u1ee3ng b\u1ed1c h\u01a1i \u0111\u1ed9t ng\u1ed9t, ti\u1ebfng \u1ed3n do kh\u00ed, s\u1ef1 m\u00e0i m\u00f2n, d\u1ea3i \u0111i\u1ec1u ch\u1ec9nh y\u00eau c\u1ea7u v\u00e0 c\u1ea5p \u0111\u1ed9 ng\u1eaft d\u00f2ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh.<\/p>\n

Van m\u1ed9t chi\u1ec1u<\/a><\/h3>\n

Van m\u1ed9t chi\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng b\u1ea3o v\u1ec7 m\u00e1y b\u01a1m, m\u00e1y n\u00e9n kh\u00ed v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng kh\u1ecfi hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c. T\u1ed1c \u0111\u1ed9 \u0111\u00f3ng v\u00e0 h\u01b0\u1edbng \u0111\u00f3ng c\u1ee7a van ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n d\u00f2ng ch\u1ea3y \u0111\u1ec3 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng s\u1eadp, rung \u0111\u1ed9ng v\u00e0 \u0111\u1ed9t bi\u1ebfn \u00e1p su\u1ea5t.<\/p>\n

Van b\u01b0\u1edbm<\/a><\/h3>\n

Van b\u01b0\u1edbm c\u00f3 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u1ea5p n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p v\u00e0 l\u00e0m m\u00e1t quy m\u00f4 l\u1edbn tr\u00ean t\u00e0u bi\u1ec3n. V\u1eadt li\u1ec7u c\u1ee7a \u0111\u0129a van, tr\u1ee5c, \u0111\u1ebf van v\u00e0 th\u00e2n van ph\u1ea3i t\u01b0\u01a1ng th\u00edch v\u1edbi n\u01b0\u1edbc bi\u1ec3n v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n ngo\u00e0i kh\u01a1i.<\/p>\n<\/section>\n

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C\u00e1c ion clorua v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng axit \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn v\u1eadt li\u1ec7u van?<\/h2>\n

Ti\u1ebfp x\u00fac v\u1edbi clorua:<\/strong> N\u01b0\u1edbc bi\u1ec3n v\u00e0 n\u01b0\u1edbc th\u1ea3i khai th\u00e1c c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n l\u1ed7 r\u1ed7, \u0103n m\u00f2n khe h\u1edf v\u00e0 n\u1ee9t do \u0103n m\u00f2n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a clorua. C\u00f3 th\u1ec3 xem x\u00e9t s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 duplex v\u00e0 super duplex, h\u1ee3p kim niken, titan ho\u1eb7c c\u00e1c l\u1edbp l\u00f3t phi kim lo\u1ea1i ph\u00f9 h\u1ee3p t\u00f9y theo nhi\u1ec7t \u0111\u1ed9, n\u1ed3ng \u0111\u1ed9 clorua, h\u00e0m l\u01b0\u1ee3ng oxy v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/p>\n

D\u1ecbch v\u1ee5 t\u1ed3i t\u1ec7:<\/strong> Hydrogen sulfide \u1edf d\u1ea1ng l\u1ecfng c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t do \u1ee9ng su\u1ea5t sunfua v\u00e0 c\u00e1c c\u01a1 ch\u1ebf h\u01b0 h\u1ecfng kh\u00e1c. Lo\u1ea1i v\u1eadt li\u1ec7u, \u0111\u1ed9 c\u1ee9ng, x\u1eed l\u00fd nhi\u1ec7t, quy tr\u00ecnh h\u00e0n v\u00e0 vi\u1ec7c si\u1ebft bu-l\u00f4ng ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c gi\u1edbi h\u1ea1n quy \u0111\u1ecbnh cho m\u00f4i tr\u01b0\u1eddng axit, thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o t\u00ean g\u1ecdi chung c\u1ee7a h\u1ee3p kim.<\/p>\n

S\u1ef1 \u0103n m\u00f2n do m\u00f4i tr\u01b0\u1eddng bi\u1ec3n b\u00ean ngo\u00e0i:<\/strong> S\u01b0\u01a1ng mu\u1ed1i, \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c khe h\u1edf kh\u00f3 ti\u1ebfp c\u1eadn c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ea1i cho b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i, c\u00e1c chi ti\u1ebft li\u00ean k\u1ebft, gi\u00e1 \u0111\u1ee1 v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng. C\u1ea7n quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 ph\u00f9 h\u1ee3p, c\u00e1c chi ti\u1ebft li\u00ean k\u1ebft t\u01b0\u01a1ng th\u00edch v\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 v\u1ecf b\u1ecdc th\u00edch h\u1ee3p c\u00f9ng v\u1edbi c\u00e1c v\u1eadt li\u1ec7u gi\u1eef \u00e1p su\u1ea5t c\u1ee7a van.<\/p>\n<\/section>\n

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C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7 van ngo\u00e0i kh\u01a1i<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u ho\u1eb7c B\u1ea3o v\u1ec7<\/th>\nNh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t th\u00f4ng th\u01b0\u1eddng<\/th>\nH\u1ea1n ch\u1ebf quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e9p cacbon c\u00f3 l\u1edbp ph\u1ee7<\/td>\nThu\u1ebf hydrocacbon v\u00e0 thu\u1ebf d\u1ecbch v\u1ee5 c\u00f4ng khi ph\u00f9 h\u1ee3p v\u1edbi nhau v\u1ec1 m\u1eb7t n\u1ed9i b\u1ed9<\/td>\nH\u01b0 h\u1ecfng l\u1edbp ph\u1ee7, h\u1ec7 s\u1ed1 d\u1ef1 ph\u00f2ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng trong m\u00f4i tr\u01b0\u1eddng axit<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 316<\/td>\nC\u00e1c d\u1ecbch v\u1ee5 ti\u1ec7n \u00edch \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 c\u00f3 m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n v\u1eeba ph\u1ea3i<\/td>\nC\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc \u1ea5m ho\u1eb7c n\u01b0\u1edbc t\u00f9 \u0111\u1ecdng c\u00f3 h\u00e0m l\u01b0\u1ee3ng clorua cao<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 hai pha<\/td>\nN\u01b0\u1edbc th\u1ea3i khai th\u00e1c, n\u01b0\u1edbc bi\u1ec3n \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 ch\u1ebf bi\u1ebfn<\/td>\nC\u1ea5p \u0111\u1ed9, ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n d\u1ecbch v\u1ee5 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 si\u00eau k\u00e9p<\/td>\n\u0110i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t h\u01a1n do c\u00f3 ch\u1ee9a clorua<\/td>\nPh\u1ea3i ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 s\u1ef1 c\u00e2n b\u1eb1ng pha<\/td>\n<\/tr>\n
H\u1ee3p kim niken ho\u1eb7c titan<\/td>\nC\u00e1c c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 c\u00f3 t\u00ednh \u0103n m\u00f2n nghi\u00eam tr\u1ecdng<\/td>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch, hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n h\u00f3a v\u00e0 chi ph\u00ed d\u1ef1 \u00e1n<\/td>\n<\/tr>\n
H\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 b\u00ean ngo\u00e0i<\/td>\nKh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a h\u01a1i mu\u1ed1i v\u00e0 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n<\/td>\nChu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t, \u0111\u1ed9 d\u00e0y l\u1edbp m\u00e0ng kh\u00f4 v\u00e0 quy tr\u00ecnh s\u1eeda ch\u1eefa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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N\u00ean l\u1ef1a ch\u1ecdn van d\u1ea7u kh\u00ed ngo\u00e0i kh\u01a1i nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n
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  1. \u0110\u1ecbnh ngh\u0129a ch\u1ea5t l\u1ecfng:<\/strong> d\u1ea7u, kh\u00ed \u01b0\u1edbt, kh\u00ed kh\u00f4, n\u01b0\u1edbc ng\u01b0ng t\u1ee5, n\u01b0\u1edbc khai th\u00e1c, n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t.<\/li>\n
  2. X\u00e1c nh\u1eadn c\u00e1c \u0111i\u1ec1u ki\u1ec7n thi\u1ebft k\u1ebf:<\/strong> \u00c1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, thi\u1ebft k\u1ebf v\u00e0 tr\u1ea1ng th\u00e1i chuy\u1ec3n ti\u1ebfp.<\/li>\n
  3. X\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n g\u00e2y \u0103n m\u00f2n:<\/strong> H\u2082S, CO\u2082, clorua, oxy, h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc, ch\u1ea5t r\u1eafn v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia h\u00f3a h\u1ecdc.<\/li>\n
  4. Ch\u1ec9 \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a van:<\/strong> c\u00e1ch ly, \u0111i\u1ec1u ti\u1ebft l\u01b0u l\u01b0\u1ee3ng, van m\u1ed9t chi\u1ec1u, \u0111i\u1ec1u khi\u1ec3n \u00e1p su\u1ea5t ho\u1eb7c ng\u1eaft kh\u1ea9n c\u1ea5p.<\/li>\n
  5. Ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 gio\u0103ng:<\/strong> th\u00e2n m\u00e1y, b\u1ed9 ph\u1eadn ho\u00e0n thi\u1ec7n, bu-l\u00f4ng, gh\u1ebf ng\u1ed3i, v\u1eadt li\u1ec7u \u0111\u1ec7m, gio\u0103ng v\u00e0 l\u1edbp ph\u1ee7 b\u00ean ngo\u00e0i.<\/li>\n
  6. \u0110\u1ecbnh ngh\u0129a \u201ck\u00edch ho\u1ea1t\u201d:<\/strong> th\u1ee7 c\u00f4ng, \u0111i\u1ec7n, kh\u00ed n\u00e9n, th\u1ee7y l\u1ef1c ho\u1eb7c \u0111i\u1ec7n-th\u1ee7y l\u1ef1c, bao g\u1ed3m c\u1ea3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng khi h\u1ecfng h\u00f3c.<\/li>\n
  7. X\u00e1c nh\u1eadn vi\u1ec7c ki\u1ec3m tra:<\/strong> ki\u1ec3m tra \u00e1p su\u1ea5t, r\u00f2 r\u1ec9, an to\u00e0n ph\u00f2ng ch\u00e1y, ph\u00e1t th\u1ea3i kh\u00f4ng ki\u1ec3m so\u00e1t, ki\u1ec3m tra \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ho\u1eb7c ki\u1ec3m tra theo y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n
  8. K\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec:<\/strong> C\u1ea7n xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 l\u1ed1i ti\u1ebfp c\u1eadn, kh\u00f4ng gian n\u00e2ng h\u1ea1, ph\u1ee5 t\u00f9ng thay th\u1ebf v\u00e0 vi\u1ec7c th\u00e1o d\u1ee1 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng tr\u00ean b\u1ec7.<\/li>\n<\/ol>\n

    Thi\u1ebft k\u1ebf chung c\u1ee7a van v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 \u00e1p su\u1ea5t-nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh \u0111\u1ec3 ASME B16.34<\/a>. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng khai th\u00e1c c\u00f3 ch\u1ee9a H\u2082S, ISO 15156-1<\/a> \u0111\u01b0a ra c\u00e1c nguy\u00ean t\u1eafc v\u00e0 y\u00eau c\u1ea7u v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u kim lo\u1ea1i. DNV c\u0169ng nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra c\u00e1c van h\u00e0ng h\u1ea3i v\u00e0 duy tr\u00ec l\u1edbp l\u00f3t b\u1ea3o v\u1ec7 nguy\u00ean v\u1eb9n trong t\u00e0i li\u1ec7u c\u1ee7a m\u00ecnh H\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd s\u1ef1 c\u1ed1 van x\u1ea3 ngo\u00e0i boong<\/a>.<\/p>\n<\/section>\n

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    Th\u00f4ng tin c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1eadp b\u00e1o gi\u00e1 van ngo\u00e0i kh\u01a1i<\/h2>\n