{"id":705082,"date":"2024-09-19T04:06:51","date_gmt":"2024-09-19T03:06:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=705082"},"modified":"2024-09-19T04:06:51","modified_gmt":"2024-09-19T03:06:51","slug":"van-an-toan-bao-ve-chong-qua-ap","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/van-an-toan-bao-ve-chong-qua-ap\/","title":{"rendered":"Van An To\u00e0n | B\u1ea3o V\u1ec7 &#038; Ch\u1ed1ng Qu\u00e1 \u00c1p"},"content":{"rendered":"<p class=\"sidekick\">Van An To\u00e0n | B\u1ea3o V\u1ec7 &#038; Ch\u1ed1ng Qu\u00e1 \u00c1p &#8211; T\u00ecm hi\u1ec3u c\u00e1ch Van An To\u00e0n gi\u00fap ng\u0103n ng\u1eeba qu\u00e1 \u00e1p, b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong h\u1ec7 th\u1ed1ng nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/van_an_toan_bao_ve_chong_qua_ap.png\" alt=\"Van An To\u00e0n | B\u1ea3o V\u1ec7 &#038; Ch\u1ed1ng Qu\u00e1 \u00c1p\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Van An To\u00e0n | B\u1ea3o V\u1ec7 &#038; Ch\u1ed1ng Qu\u00e1 \u00c1p<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, van an to\u00e0n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 th\u1ed1ng kh\u1ecfi s\u1ef1 c\u1ed1 qu\u00e1 \u00e1p. Van an to\u00e0n l\u00e0 thi\u1ebft b\u1ecb c\u01a1 kh\u00ed t\u1ef1 \u0111\u1ed9ng m\u1edf ra khi \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng v\u01b0\u1ee3t qu\u00e1 m\u1ee9c gi\u1edbi h\u1ea1n cho ph\u00e9p, v\u00e0 \u0111\u00f3ng l\u1ea1i khi \u00e1p su\u1ea5t tr\u1edf v\u1ec1 m\u1ee9c an to\u00e0n. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng v\u00e0 b\u1ea3o v\u1ec7 ng\u01b0\u1eddi s\u1eed d\u1ee5ng kh\u1ecfi nh\u1eefng nguy hi\u1ec3m ti\u1ec1m t\u00e0ng.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van an to\u00e0n<\/h2>\n<p>Van an to\u00e0n ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n. Khi \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng t\u0103ng l\u00ean qu\u00e1 m\u1ee9c c\u00e0i \u0111\u1eb7t, l\u1ef1c n\u00e9n t\u1eeb ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed trong h\u1ec7 th\u1ed1ng s\u1ebd th\u1eafng l\u1ef1c \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo trong van, l\u00e0m cho van m\u1edf ra. Khi van m\u1edf, ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed th\u1eeba s\u1ebd \u0111\u01b0\u1ee3c x\u1ea3 ra ngo\u00e0i, gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng \u0111\u1ebfn m\u1ee9c an to\u00e0n. Khi \u00e1p su\u1ea5t t\u1ee5t xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c gi\u1edbi h\u1ea1n, l\u00f2 xo s\u1ebd \u0111\u1ea9y van tr\u1edf l\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3ng.<\/p>\n<h2>C\u00e1c lo\u1ea1i van an to\u00e0n<\/h2>\n<ul>\n<li><b>Van an to\u00e0n c\u00f3 l\u00f2 xo<\/b>: S\u1eed d\u1ee5ng l\u1ef1c \u0111\u00e0n h\u1ed3i c\u1ee7a l\u00f2 xo \u0111\u1ec3 \u0111\u1ecbnh \u00e1p su\u1ea5t m\u1edf v\u00e0 \u0111\u00f3ng van.<\/li>\n<li><b>Van an to\u00e0n d\u00f9ng \u0111\u00f2n b\u1ea9y v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng<\/b>: S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u00f2n b\u1ea9y k\u1ebft h\u1ee3p v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng \u0111\u1ec3 ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t m\u1edf van.<\/li>\n<li><b>Van an to\u00e0n th\u1ee7y \u0111\u1ed9ng<\/b>: S\u1eed d\u1ee5ng \u00e1p su\u1ea5t \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u1ec3 m\u1edf v\u00e0 \u0111\u00f3ng van.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a van an to\u00e0n<\/h2>\n<ul>\n<li><b>Ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng:<\/b> B\u1ea3o v\u1ec7 n\u1ed3i h\u01a1i v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t \u0111i\u1ec7n h\u01a1i n\u01b0\u1edbc kh\u1ecfi \u00e1p su\u1ea5t qu\u00e1 cao.<\/li>\n<li><b>C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/b> \u0110\u1ea3m b\u1ea3o an to\u00e0n cho c\u00e1c b\u1ec3 ch\u1ee9a v\u00e0 c\u00e1c thi\u1ebft b\u1ecb x\u1eed l\u00fd ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed.<\/li>\n<li><b>Ng\u00e0nh d\u1ea7u kh\u00ed:<\/b> B\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 th\u1ed1ng khai th\u00e1c v\u00e0 v\u1eadn chuy\u1ec3n d\u1ea7u kh\u00ed kh\u1ecfi r\u1ee7i ro qu\u00e1 \u00e1p.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed:<\/b> Ng\u0103n ng\u1eeba \u00e1p su\u1ea5t qu\u00e1 cao trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh v\u00e0 s\u01b0\u1edfi.<\/li>\n<\/ul>\n<h2>T\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc v\u00e0 l\u1ef1a ch\u1ecdn van an to\u00e0n<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 k\u00edch th\u01b0\u1edbc van an to\u00e0n \u0111\u00f2i h\u1ecfi k\u1ef9 s\u01b0 ph\u1ea3i d\u1ef1a v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c t\u1ed1i \u0111a (P<sub>max<\/sub>), l\u01b0u l\u01b0\u1ee3ng x\u1ea3 (Q), v\u00e0 lo\u1ea1i ch\u1ea5t l\u1ecfng\/khi. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 van m\u1edf (F) l\u00e0:<\/p>\n<p style=\"text-align:center;\">F = P * A<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>P: \u00c1p su\u1ea5t t\u1ed1i \u0111a (Pa)<\/li>\n<li>A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac (m<sup>2<\/sup>)<\/li>\n<\/ul>\n<h2>B\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra van an to\u00e0n<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o van an to\u00e0n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 b\u1ea3o tr\u00ec l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c b\u01b0\u1edbc b\u1ea3o tr\u00ec c\u01a1 b\u1ea3n bao g\u1ed3m:<\/p>\n<ol>\n<li>Ki\u1ec3m tra \u00e1p su\u1ea5t c\u00e0i \u0111\u1eb7t.<\/li>\n<li>Ki\u1ec3m tra d\u1ea5u hi\u1ec7u r\u00f2 r\u1ec9 ho\u1eb7c h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc.<\/li>\n<li>Thay m\u1edbi c\u00e1c b\u1ed9 ph\u1eadn hao m\u00f2n nh\u01b0 l\u00f2 xo v\u00e0 gio\u0103ng k\u00edn.<\/li>\n<li>Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch van kh\u1ecfi b\u1ee5i b\u1ea9n v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t.<\/li>\n<\/ol>\n<p>Van an to\u00e0n l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt nhi\u1ec7t. Vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch van an to\u00e0n s\u1ebd gi\u00fap gi\u1eef cho h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Van An To\u00e0n | B\u1ea3o V\u1ec7 &#038; Ch\u1ed1ng Qu\u00e1 \u00c1p &#8211; T\u00ecm hi\u1ec3u c\u00e1ch Van An To\u00e0n gi\u00fap ng\u0103n ng\u1eeba qu\u00e1 \u00e1p, b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong h\u1ec7 th\u1ed1ng nhi\u1ec7t.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Van An To\u00e0n | B\u1ea3o V\u1ec7 &amp; Ch\u1ed1ng Qu\u00e1 \u00c1p<\/title>\n<meta name=\"description\" content=\"Van An To\u00e0n | B\u1ea3o V\u1ec7 &amp; Ch\u1ed1ng Qu\u00e1 \u00c1p - 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