{"id":675372,"date":"2024-11-16T20:19:56","date_gmt":"2024-11-16T19:19:56","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=675372"},"modified":"2024-11-16T20:19:56","modified_gmt":"2024-11-16T19:19:56","slug":"cach-hoat-dong-cua-dong-ho-do-luu-luong-khoi-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-hoat-dong-cua-dong-ho-do-luu-luong-khoi-nhiet\/","title":{"rendered":"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t"},"content":{"rendered":"

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea3y qua.<\/p>\n

\"C\u00e1ch<\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t<\/h2>\n

\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t d\u00f9ng \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u1ee7a c\u00e1c l\u01b0u ch\u1ea5t nh\u01b0 kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd truy\u1ec1n nhi\u1ec7t t\u1eeb m\u1ed9t ngu\u1ed3n nhi\u1ec7t \u0111\u1ebfn m\u00f4i ch\u1ea5t \u0111ang ch\u1ea3y qua thi\u1ebft b\u1ecb.<\/p>\n

Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c<\/h2>\n

\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u01a1 b\u1ea3n l\u00e0 khi m\u00f4i ch\u1ea5t chuy\u1ec3n \u0111\u1ed9ng qua m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c nung n\u00f3ng, n\u00f3 s\u1ebd mang theo nhi\u1ec7t l\u00e0m thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng c\u00e1ch \u0111o s\u1ef1 kh\u00e1c bi\u1ec7t nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai \u0111i\u1ec3m.<\/p>\n

<\/p>\n

  • Ngu\u1ed3n nhi\u1ec7t:<\/b> M\u1ed9t ph\u1ea7n c\u1ee7a \u0111\u1ed3ng h\u1ed3 s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng \u0111i\u1ec7n tr\u1edf ho\u1eb7c m\u1ed9t ngu\u1ed3n nhi\u1ec7t kh\u00e1c.<\/li>\n
  • C\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9:<\/b> Thi\u1ebft b\u1ecb c\u00f3 hai c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 – m\u1ed9t \u1edf tr\u01b0\u1edbc ngu\u1ed3n nhi\u1ec7t v\u00e0 m\u1ed9t \u1edf sau ngu\u1ed3n nhi\u1ec7t. Hai c\u1ea3m bi\u1ebfn n\u00e0y \u0111o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00f4i ch\u1ea5t tr\u01b0\u1edbc v\u00e0 sau khi n\u00f3 \u0111i qua ngu\u1ed3n nhi\u1ec7t.<\/li>\n

    <\/o1><\/p>\n

    S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 n\u00e0y ch\u00ednh l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t.<\/p>\n

    C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n<\/h2>\n

    L\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean c\u00f4ng th\u1ee9c:<\/p>\n

    Q<\/em> = \\(\\frac{P}{c_p * \\Delta T}\\)<\/p>\n

    <\/p>\n

  • Q<\/em> l\u00e0 l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t.<\/li>\n
  • \\(P\\) l\u00e0 c\u00f4ng su\u1ea5t nhi\u1ec7t cung c\u1ea5p.<\/li>\n
  • cp<\/sub><\/em> l\u00e0 nhi\u1ec7t dung ri\u00eang c\u1ee7a m\u00f4i ch\u1ea5t.<\/li>\n
  • \\(\\Delta T\\) l\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai \u0111i\u1ec3m \u0111o.<\/li>\n

    <\/ou><\/p>\n

    \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00f4ng su\u1ea5t nhi\u1ec7t cung c\u1ea5p \u0111\u01b0\u1ee3c chia cho s\u1ea3n ph\u1ea9m c\u1ee7a nhi\u1ec7t dung ri\u00eang v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 c\u00f3 l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t.<\/p>\n

    \u1ee8ng d\u1ee5ng<\/h2>\n

    \u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/p>\n

    <\/p>\n

  • Ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/b> Gi\u00e1m s\u00e1t v\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li>\n
  • Ng\u00e0nh d\u1ea7u kh\u00ed:<\/b> \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u00ed v\u00e0 d\u1ea7u trong qu\u00e1 tr\u00ecnh khai th\u00e1c v\u00e0 v\u1eadn chuy\u1ec3n.<\/li>\n
  • H\u1ec7 th\u1ed1ng HVAC:<\/b> Ki\u1ec3m tra v\u00e0 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed trong c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi, th\u00f4ng gi\u00f3 v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.<\/li>\n

    <\/ou><\/p>\n

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

    \u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong k\u1ef9 thu\u1eadt nhi\u1ec7t. B\u1eb1ng c\u00e1ch \u0111o ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c nguy\u00ean l\u00fd truy\u1ec1n nhi\u1ec7t c\u01a1 b\u1ea3n, thi\u1ebft b\u1ecb n\u00e0y gi\u00fap \u0111o ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng c\u1ee7a c\u00e1c lo\u1ea1i kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. N\u1eafm r\u00f5 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y kh\u00f4ng nh\u1eefng gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c m\u00e0 c\u00f2n m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a nguy\u00ean l\u00fd nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc trong th\u1ef1c ti\u1ec5n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea3y qua.<\/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":"\nC\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea3y qua.\" \/>\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\/cach-hoat-dong-cua-dong-ho-do-luu-luong-khoi-nhiet\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t\" \/>\n<meta property=\"og:description\" content=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i nhi\u1ec7t, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t 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