{"id":4348,"date":"2024-01-29T19:16:15","date_gmt":"2024-01-29T11:16:15","guid":{"rendered":"https:\/\/shchimay.com\/?p=4348"},"modified":"2024-02-03T12:32:59","modified_gmt":"2024-02-03T04:32:59","slug":"how-to-fix-sticky-valves","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-to-fix-sticky-valves\/","title":{"rendered":"c\u00e1ch s\u1eeda van d\u00ednh"},"content":{"rendered":"

“M\u1edf kh\u00f3a d\u00f2ng ch\u1ea3y: N\u1eafm v\u1eefng ngh\u1ec7 thu\u1eadt s\u1eeda ch\u1eefa van d\u00ednh”<\/p>\n

T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng van d\u00ednh<\/h1>\n

T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n g\u00e2y ra van d\u00ednhVan d\u00ednh c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00f3 ch\u1ecbu \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, cho d\u00f9 h\u1ecd \u0111ang l\u00e0m vi\u1ec7c v\u1edbi \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, nh\u1ea1c c\u1ee5 hay h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc. Khi van b\u1ecb d\u00ednh, ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 kh\u00e1c nhau, bao g\u1ed3m gi\u1ea3m hi\u1ec7u su\u1ea5t, r\u00f2 r\u1ec9 v\u00e0 th\u1eadm ch\u00ed h\u1ecfng ho\u00e0n to\u00e0n. \u0110\u1ec3 kh\u1eafc ph\u1ee5c van d\u00ednh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n c\u1ee7a v\u1ea5n \u0111\u1ec1 n\u00e0y.\"alt-512\"M\u1ed9t nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn van d\u00ednh l\u00e0 do b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n t\u00edch t\u1ee5. Theo th\u1eddi gian, van c\u00f3 th\u1ec3 t\u00edch t\u1ee5 b\u1ee5i b\u1ea9n v\u00e0 c\u00e1c h\u1ea1t kh\u00e1c c\u1ea3n tr\u1edf ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru c\u1ee7a ch\u00fang. S\u1ef1 t\u00edch t\u1ee5 n\u00e0y c\u00f3 th\u1ec3 \u0111\u1eb7c bi\u1ec7t g\u00e2y ra v\u1ea5n \u0111\u1ec1 trong m\u00f4i tr\u01b0\u1eddng c\u00f3 m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m ho\u1eb7c b\u1ee5i cao. Khi b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n t\u00edch t\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t van, ch\u00fang c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng \u0111\u00f3ng m\u1edf b\u00ecnh th\u01b0\u1eddng c\u1ee7a van, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng d\u00ednh.M\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c khi\u1ebfn van d\u00ednh l\u00e0 do b\u00f4i tr\u01a1n kh\u00f4ng \u0111\u1ee7. Van d\u1ef1a v\u00e0o m\u1ed9t l\u1edbp ch\u1ea5t b\u00f4i tr\u01a1n m\u1ecfng \u0111\u1ec3 gi\u1ea3m ma s\u00e1t v\u00e0 \u0111\u1ea3m b\u1ea3o chuy\u1ec3n \u0111\u1ed9ng tr\u01a1n tru. Tuy nhi\u00ean, n\u1ebfu ch\u1ea5t b\u00f4i tr\u01a1n kh\u00f4ng \u0111\u1ee7 ho\u1eb7c b\u1ecb h\u01b0 h\u1ecfng theo th\u1eddi gian, van c\u00f3 th\u1ec3 b\u1ecb d\u00ednh. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, n\u01a1i ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng nhanh h\u01a1n. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n th\u00edch h\u1ee3p, c\u00e1c b\u1ec1 m\u1eb7t van c\u00f3 th\u1ec3 c\u1ecd x\u00e1t v\u00e0o nhau, khi\u1ebfn ch\u00fang d\u00ednh v\u00e0o nhau v\u00e0 c\u1ea3n tr\u1edf ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang.<\/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
CM39<\/td>\n\u0110\u1ed3ng thau kh\u00f4ng ch\u00ec<\/td>\n3″<\/td>\n56,81m \/h<\/td>\n73,86m \/h<\/td>\n65<\/td>\n100gpm<\/td>\n3″<\/td>\n2″(nam)<\/td>\n3\/4″(nam)<\/td>\n6″-8UN ho\u1eb7c FLG<\/td>\n15″<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, van d\u00ednh c\u0169ng c\u00f3 th\u1ec3 do \u0103n m\u00f2n. Khi van ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c c\u00e1c ch\u1ea5t \u0103n m\u00f2n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t ho\u1eb7c kh\u00ed, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb r\u1ec9 s\u00e9t ho\u1eb7c c\u00e1c d\u1ea1ng \u0103n m\u00f2n kh\u00e1c. S\u1ef1 \u0103n m\u00f2n n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do c\u1ee7a van, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng d\u00ednh. \u0102n m\u00f2n c\u00f3 th\u1ec3 \u0111\u1eb7c bi\u1ec7t nghi\u00eam tr\u1ecdng \u1edf c\u00e1c van c\u0169 ho\u1eb7c nh\u1eefng van \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u d\u1ec5 b\u1ecb r\u1ec9 s\u00e9t h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eaft ho\u1eb7c th\u00e9p.H\u01a1n n\u1eefa, vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng van kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n khi\u1ebfn van b\u1ecb d\u00ednh. B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, bao g\u1ed3m l\u00e0m s\u1ea1ch v\u00e0 b\u00f4i tr\u01a1n, l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho van \u1edf t\u00ecnh tr\u1ea1ng t\u1ed1i \u01b0u. Tuy nhi\u00ean, n\u1ebfu van kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch, ch\u00fang c\u00f3 th\u1ec3 b\u1ecb d\u00ednh theo th\u1eddi gian. Vi\u1ec7c b\u1ecf qua c\u00e1c c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 c\u00f3 th\u1ec3 khi\u1ebfn b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n t\u00edch t\u1ee5, ch\u1ea5t b\u00f4i tr\u01a1n k\u00e9m \u0111i v\u00e0 s\u1ef1 \u0103n m\u00f2n ph\u00e1t tri\u1ec3n, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn van b\u1ecb d\u00ednh.Cu\u1ed1i c\u00f9ng, nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn van b\u1ecb d\u00ednh. Khi van ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao ho\u1eb7c qu\u00e1 l\u1ea1nh, v\u1eadt li\u1ec7u l\u00e0m n\u00ean ch\u00fang c\u00f3 th\u1ec3 gi\u00e3n n\u1edf ho\u1eb7c co l\u1ea1i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u00fang. S\u1ef1 gi\u00e3n n\u1edf ho\u1eb7c co l\u1ea1i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn van b\u1ecb d\u00ednh, khi\u1ebfn ch\u00fang kh\u00f3 \u0111\u00f3ng ho\u1eb7c m\u1edf. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao c\u00f3 th\u1ec3 \u0111\u1eb7c bi\u1ec7t g\u00e2y ra v\u1ea5n \u0111\u1ec1 trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ho\u1eb7c trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t.T\u00f3m l\u1ea1i, van d\u00ednh c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00f3 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u h\u1ec7 th\u1ed1ng v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c nhau. Hi\u1ec3u nguy\u00ean nh\u00e2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng van d\u00ednh l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m s\u1ef1 t\u00edch t\u1ee5 c\u1ee7a b\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n, b\u00f4i tr\u01a1n kh\u00f4ng \u0111\u1ee7, \u0103n m\u00f2n, b\u1ea3o tr\u00ec kh\u00f4ng \u0111\u00fang c\u00e1ch v\u00e0 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft nh\u1eefng nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n n\u00e0y, c\u00e1c c\u00e1 nh\u00e2n c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru c\u1ee7a van v\u00e0 ng\u0103n ng\u1eeba thi\u1ec7t h\u1ea1i th\u00eam. B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, bao g\u1ed3m l\u00e0m s\u1ea1ch, b\u00f4i tr\u01a1n v\u00e0 b\u1ea3o v\u1ec7 kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho van ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 tr\u00e1nh nh\u1eefng b\u1ea5t ti\u1ec7n c\u0169ng nh\u01b0 m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n li\u00ean quan \u0111\u1ebfn van d\u00ednh.<\/p>\n","protected":false},"excerpt":{"rendered":"

“M\u1edf kh\u00f3a d\u00f2ng ch\u1ea3y: N\u1eafm v\u1eefng ngh\u1ec7 thu\u1eadt s\u1eeda ch\u1eefa van d\u00ednh” T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng van d\u00ednh T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n g\u00e2y ra van d\u00ednhVan d\u00ednh c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00f3 ch\u1ecbu \u0111\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, cho d\u00f9 h\u1ecd \u0111ang l\u00e0m vi\u1ec7c v\u1edbi \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, nh\u1ea1c…<\/p>\n","protected":false},"author":1,"featured_media":1575,"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":true,"content":true,"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\/4348"}],"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=4348"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/4348\/revisions"}],"predecessor-version":[{"id":4682,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/4348\/revisions\/4682"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1575"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=4348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=4348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=4348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}