{"id":5714,"date":"2024-02-24T09:47:56","date_gmt":"2024-02-24T01:47:56","guid":{"rendered":"https:\/\/shchimay.com\/?p=5714"},"modified":"2024-02-24T14:51:28","modified_gmt":"2024-02-24T06:51:28","slug":"how-isolation-valve-works","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-isolation-valve-works\/","title":{"rendered":"van c\u00e1ch ly ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"

“C\u00e1ch ly, ki\u1ec3m so\u00e1t, b\u1ea3o v\u1ec7 – s\u1ee9c m\u1ea1nh c\u1ee7a van c\u00e1ch ly.”<\/p>\n

T\u00ecm hi\u1ec3u ch\u1ee9c n\u0103ng c\u1ee7a van c\u00e1ch ly<\/h1>\n

\nVan c\u00e1ch ly l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u quy tr\u00ecnh c\u00f4ng nghi\u1ec7p, v\u00ec ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng. Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van c\u00e1ch ly l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o ch\u1ee9c n\u0103ng c\u1ee7a van c\u00e1ch ly, kh\u00e1m ph\u00e1 thi\u1ebft k\u1ebf, ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n

\"alt-330\"<\/p>\n

Van c\u00e1ch ly \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n d\u00f2ng ch\u1ea5t l\u1ecfng trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c h\u1ec7 th\u1ed1ng. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e1ch ly m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa ho\u1eb7c t\u1eaft m\u00e1y. Nh\u1eefng van n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed, x\u1eed l\u00fd n\u01b0\u1edbc, x\u1eed l\u00fd h\u00f3a ch\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n.<\/p>\n

Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n \u0111\u1eb1ng sau ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van c\u00e1ch ly r\u1ea5t \u0111\u01a1n gi\u1ea3n. Khi van \u1edf v\u1ecb tr\u00ed m\u1edf, ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 ch\u1ea3y t\u1ef1 do qua h\u1ec7 th\u1ed1ng. Tuy nhi\u00ean, khi van \u0111\u00f3ng l\u1ea1i, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t r\u00e0o c\u1ea3n ng\u0103n c\u1ea3n d\u00f2ng ch\u1ea5t l\u1ecfng ch\u1ea3y qua. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1ch ly m\u1ed9t ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i van c\u00e1ch ly, m\u1ed7i lo\u1ea1i c\u00f3 thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng ri\u00eang. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m van c\u1ed5ng, van bi, van b\u01b0\u1edbm v\u00e0 van c\u1ea7u. V\u00ed d\u1ee5, van c\u1ed5ng s\u1eed d\u1ee5ng m\u1ed9t c\u1ed5ng ho\u1eb7c \u0111\u0129a h\u00ecnh n\u00eam \u0111\u1ec3 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea5t l\u1ecfng. Khi van \u0111\u00f3ng, c\u1ed5ng \u0111\u01b0\u1ee3c h\u1ea1 xu\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ecbt k\u00edn ng\u0103n kh\u00f4ng cho ch\u1ea5t l\u1ecfng \u0111i qua.<\/p>\n

Van bi th\u00ec s\u1eed d\u1ee5ng m\u1ed9t qu\u1ea3 c\u1ea7u h\u00ecnh c\u1ea7u c\u00f3 l\u1ed7 \u1edf gi\u1eefa \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. Khi van m\u1edf, qu\u1ea3 b\u00f3ng quay sao cho l\u1ed7 th\u1eb3ng h\u00e0ng v\u1edbi \u0111\u01b0\u1eddng d\u00f2ng ch\u1ea3y, cho ph\u00e9p ch\u1ea5t l\u1ecfng \u0111i qua. Khi \u0111\u00f3ng van, qu\u1ea3 c\u1ea7u quay \u0111\u1ec3 ch\u1eb7n \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, t\u1ea1o ra s\u1ef1 b\u1ecbt k\u00edn.<\/p>\n

\n\n\n\n\n
M\u00f4 h\u00ecnh<\/td>\nV\u1eadt li\u1ec7u van<\/td>\n\u0110\u1ea7u v\u00e0o\/\u0110\u1ea7u ra<\/td>\nLi\u00ean t\u1ee5c (gi\u1ea3m 0,1Mpa)<\/td>\n\u0110\u1ec9nh (gi\u1ea3m 0,175Mpa)<\/td>\nCv**<\/td>\nR\u1eeda ng\u01b0\u1ee3c t\u1ed1i \u0111a (gi\u1ea3m 0,175Mpa)<\/td>\nTh\u00ed \u0111i\u1ec3m nh\u00e0 ph\u00e2n ph\u1ed1i<\/td>\n\u0110\u01b0\u1eddng tho\u00e1t n\u01b0\u1edbc<\/td>\nD\u00f2ng n\u01b0\u1edbc mu\u1ed1i<\/td>\n\u0110\u1ebf G\u1eafn<\/td>\nChi\u1ec1u cao (t\u1eeb \u0111\u1ec9nh b\u1ec3)<\/td>\n<\/tr>\n
CM27<\/td>\n\u0110\u1ed3ng thau kh\u00f4ng ch\u00ec<\/td>\n1″(Nam)<\/td>\n5,9m\u00b3\/h<\/td>\n7,5m\u00b3\/h<\/td>\n6.8<\/td>\n25gpm<\/td>\n1″(1.05)OD<\/td>\n3\/4″(nam)<\/td>\n3\/8″, (1\/2″)<\/td>\n2.5″-8<\/td>\n6-1\/2″<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Van b\u01b0\u1edbm s\u1eed d\u1ee5ng m\u1ed9t \u0111\u0129a \u0111\u01b0\u1ee3c g\u1eafn tr\u00ean tr\u1ee5c quay \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng ch\u1ea5t l\u1ecfng. Khi van m\u1edf, \u0111\u0129a \u0111\u01b0\u1ee3c \u0111\u1eb7t song song v\u1edbi \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, cho ph\u00e9p ch\u1ea5t l\u1ecfng \u0111i qua. Khi \u0111\u00f3ng van, \u0111\u0129a quay vu\u00f4ng g\u00f3c v\u1edbi \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ecbt ng\u0103n kh\u00f4ng cho ch\u1ea5t l\u1ecfng \u0111i qua.<\/p>\n

Van c\u1ea7u ng\u01b0\u1ee3c l\u1ea1i s\u1eed d\u1ee5ng m\u1ed9t \u0111\u0129a di chuy\u1ec3n l\u00ean xu\u1ed1ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng ch\u1ea5t l\u1ecfng . Khi van m\u1edf, \u0111\u0129a \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean kh\u1ecfi \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, cho ph\u00e9p ch\u1ea5t l\u1ecfng \u0111i qua. Khi van \u0111\u00f3ng, \u0111\u0129a \u0111\u01b0\u1ee3c h\u1ea1 xu\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ecbt k\u00edn ng\u0103n ch\u1ea5t l\u1ecfng \u0111i qua.<\/p>\n

Ngo\u00e0i thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng, van c\u00e1ch ly c\u00f2n \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p d\u1eabn \u0111\u1ed9ng. Van th\u1ee7 c\u00f4ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1eb1ng tay s\u1eed d\u1ee5ng \u0111\u00f2n b\u1ea9y, b\u00e1nh xe ho\u1eb7c tay c\u1ea7m. C\u00e1c van n\u00e0y v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u1ea7n c\u00f3 s\u1ef1 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi \u0111\u1ec3 \u0111\u00f3ng v\u00e0 m\u1edf.<\/p>\n

M\u1eb7t kh\u00e1c, c\u00e1c van t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1eb1ng b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, c\u00f3 th\u1ec3 l\u00e0 kh\u00ed n\u00e9n, th\u1ee7y l\u1ef1c ho\u1eb7c \u0111i\u1ec7n. C\u00e1c van n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c.<\/p>\n

T\u00f3m l\u1ea1i, van c\u00e1ch ly \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng. Hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c van n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. B\u1eb1ng c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i van v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n \u0111\u1ed9ng cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 c\u00e1ch ly m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng cho m\u1ee5c \u0111\u00edch b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa ho\u1eb7c t\u1eaft m\u00e1y.<\/p>\n","protected":false},"excerpt":{"rendered":"

“C\u00e1ch ly, ki\u1ec3m so\u00e1t, b\u1ea3o v\u1ec7 – s\u1ee9c m\u1ea1nh c\u1ee7a van c\u00e1ch ly.” T\u00ecm hi\u1ec3u ch\u1ee9c n\u0103ng c\u1ee7a van c\u00e1ch ly Van c\u00e1ch ly l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u quy tr\u00ecnh c\u00f4ng nghi\u1ec7p, v\u00ec ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng. Hi\u1ec3u c\u00e1ch…<\/p>\n","protected":false},"author":1,"featured_media":2050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/5714"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=5714"}],"version-history":[{"count":16,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/5714\/revisions"}],"predecessor-version":[{"id":5862,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/5714\/revisions\/5862"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/2050"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=5714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=5714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=5714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}