{"id":703964,"date":"2024-09-22T04:48:07","date_gmt":"2024-09-22T03:48:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=703964"},"modified":"2024-09-22T04:48:07","modified_gmt":"2024-09-22T03:48:07","slug":"van-giam-ap-suat-bao-ve-an-toan-chong-qua-ap","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/van-giam-ap-suat-bao-ve-an-toan-chong-qua-ap\/","title":{"rendered":"Van Gi\u1ea3m \u00c1p Su\u1ea5t | B\u1ea3o V\u1ec7 An To\u00e0n Ch\u1ed1ng Qu\u00e1 \u00c1p"},"content":{"rendered":"

Van gi\u1ea3m \u00e1p su\u1ea5t: T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t v\u00e0 c\u00e1ch ch\u00fang b\u1ea3o v\u1ec7 an to\u00e0n b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p.<\/p>\n

\"Van<\/p>\n

Van Gi\u1ea3m \u00c1p Su\u1ea5t | B\u1ea3o V\u1ec7 An To\u00e0n Ch\u1ed1ng Qu\u00e1 \u00c1p<\/h2>\n

Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, van gi\u1ea3m \u00e1p su\u1ea5t \u0111\u00f3ng vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 th\u1ed1ng kh\u1ecfi hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 \u00e1p. Hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 \u00e1p c\u00f3 th\u1ec3 g\u00e2y ra h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng cho c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ee5 n\u1ed5 nguy hi\u1ec3m. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch v\u1eadn h\u00e0nh v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a van gi\u1ea3m \u00e1p su\u1ea5t.<\/p>\n

C\u1ea5u T\u1ea1o V\u00e0 Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n

Van gi\u1ea3m \u00e1p su\u1ea5t th\u01b0\u1eddng bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau: m\u1ed9t l\u00f2 xo, m\u1ed9t m\u00e0ng van v\u00e0 m\u1ed9t van \u0111i\u1ec1u ch\u1ec9nh. C\u1ea5u t\u1ea1o c\u1ee7a van gi\u00fap n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 gi\u1eef \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng \u1edf m\u1ee9c an to\u00e0n.<\/p>\n

    \n
  1. L\u00f2 xo:<\/strong> L\u00f2 xo \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 n\u00e9n ho\u1eb7c gi\u00e3n t\u00f9y theo \u00e1p su\u1ea5t hi\u1ec7n t\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng. Khi \u00e1p su\u1ea5t v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng cho ph\u00e9p, l\u00f2 xo s\u1ebd n\u00e9n l\u1ea1i v\u00e0 m\u1edf van gi\u1ea3m \u00e1p.<\/li>\n
  2. M\u00e0ng van:<\/strong> M\u00e0ng van s\u1ebd ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed trong h\u1ec7 th\u1ed1ng. Khi m\u00e0ng van b\u1ecb \u0111\u1ea9y ra b\u1edfi l\u00f2 xo, n\u00f3 s\u1ebd m\u1edf m\u1ed9t l\u1ed7 tho\u00e1t \u0111\u1ec3 gi\u1ea3m \u00e1p su\u1ea5t.<\/li>\n
  3. Van \u0111i\u1ec1u ch\u1ec9nh:<\/strong> Van \u0111i\u1ec1u ch\u1ec9nh gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t m\u1ee9c \u00e1p su\u1ea5t mong mu\u1ed1n. Th\u00f4ng qua vi\u1ec7c xoay van, l\u00f2 xo s\u1ebd n\u00e9n ho\u1eb7c gi\u00e3n ra \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u00e1p su\u1ea5t c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n

    Khi \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng v\u01b0\u1ee3t m\u1ee9c an to\u00e0n, l\u1ef1c \u00e1p su\u1ea5t s\u1ebd \u0111\u1ea9y m\u00e0ng van ra, l\u00e0m l\u00f2 xo n\u00e9n l\u1ea1i v\u00e0 m\u1edf van. Khi van m\u1edf, ph\u1ea7n kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng th\u1eeba s\u1ebd tho\u00e1t ra ngo\u00e0i, gi\u00fap gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng \u0111\u1ebfn m\u1ee9c an to\u00e0n.<\/p>\n

    T\u1ea7m Quan Tr\u1ecdng C\u1ee7a Van Gi\u1ea3m \u00c1p Su\u1ea5t<\/h2>\n

    Vi\u1ec7c s\u1eed d\u1ee5ng van gi\u1ea3m \u00e1p su\u1ea5t c\u00f3 r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch:<\/p>\n

      \n
    • B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb:<\/strong> Van gi\u1ea3m \u00e1p gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng cho c\u00e1c thi\u1ebft b\u1ecb do hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 \u00e1p.<\/li>\n
    • \u0110\u1ea3m b\u1ea3o an to\u00e0n:<\/strong> B\u1eb1ng c\u00e1ch gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng, van gi\u1ea3m \u00e1p gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ee5 n\u1ed5 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i v\u1ec1 ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n.<\/li>\n
    • T\u0103ng tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb:<\/strong> Vi\u1ec7c duy tr\u00ec \u00e1p su\u1ea5t \u1edf m\u1ee9c an to\u00e0n s\u1ebd gi\u00fap c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/li>\n<\/ul>\n

      \u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n

      Van gi\u1ea3m \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0:<\/p>\n

        \n
      • Ng\u00e0nh c\u00f4ng nghi\u1ec7p:<\/strong> Trong c\u00e1c nh\u00e0 m\u00e1y, h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng th\u01b0\u1eddng s\u1eed d\u1ee5ng van gi\u1ea3m \u00e1p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/li>\n
      • H\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc:<\/strong> Van gi\u1ea3m \u00e1p gi\u1eef vai tr\u00f2 \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o \u0111\u1ec3 b\u1ea3o v\u1ec7 \u1ed1ng d\u1eabn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan.<\/li>\n
      • H\u1ec7 th\u1ed1ng n\u1ed5i l\u1eeda:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed1t, van gi\u1ea3m \u00e1p ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5 do \u00e1p su\u1ea5t qu\u00e1 cao.<\/li>\n<\/ul>\n

        K\u1ebft Lu\u1eadn<\/h2>\n

        Van gi\u1ea3m \u00e1p su\u1ea5t 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, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. Vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng van gi\u1ea3m \u00e1p \u0111\u00fang c\u00e1ch s\u1ebd gi\u00fap b\u1ea1n b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb, t\u0103ng tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ch\u00ednh m\u00ecnh c\u0169ng nh\u01b0 nh\u1eefng ng\u01b0\u1eddi xung quanh.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Van gi\u1ea3m \u00e1p su\u1ea5t: T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t v\u00e0 c\u00e1ch ch\u00fang b\u1ea3o v\u1ec7 an to\u00e0n b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p.<\/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":"\nVan Gi\u1ea3m \u00c1p Su\u1ea5t | B\u1ea3o V\u1ec7 An To\u00e0n Ch\u1ed1ng Qu\u00e1 \u00c1p<\/title>\n<meta name=\"description\" content=\"Van gi\u1ea3m \u00e1p su\u1ea5t: T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t v\u00e0 c\u00e1ch ch\u00fang b\u1ea3o v\u1ec7 an to\u00e0n b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/van-giam-ap-suat-bao-ve-an-toan-chong-qua-ap\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Van Gi\u1ea3m \u00c1p Su\u1ea5t | B\u1ea3o V\u1ec7 An To\u00e0n Ch\u1ed1ng Qu\u00e1 \u00c1p\" \/>\n<meta property=\"og:description\" content=\"Van gi\u1ea3m \u00e1p su\u1ea5t: T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a van gi\u1ea3m \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t v\u00e0 c\u00e1ch ch\u00fang b\u1ea3o v\u1ec7 an to\u00e0n b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng qu\u00e1 \u00e1p.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/van-giam-ap-suat-bao-ve-an-toan-chong-qua-ap\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal 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