{"id":695203,"date":"2024-08-09T07:58:10","date_gmt":"2024-08-09T06:58:10","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695203"},"modified":"2024-08-09T07:58:10","modified_gmt":"2024-08-09T06:58:10","slug":"dong-luc-hoc-chat-long-trong-ky-thuat-quy-trinh","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-luc-hoc-chat-long-trong-ky-thuat-quy-trinh\/","title":{"rendered":"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh"},"content":{"rendered":"

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh: T\u00ecm hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong quy tr\u00ecnh k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

\"\u0110\u1ed9ng<\/p>\n

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh<\/h2>\n

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t nh\u00e1nh quan tr\u1ecdng c\u1ee7a v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt, t\u1eadp trung v\u00e0o vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1ch m\u00e0 c\u00e1c ch\u1ea5t l\u1ecfng (bao g\u1ed3m c\u1ea3 kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng) di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c. Trong k\u1ef9 thu\u1eadt quy tr\u00ecnh, \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh h\u1ec7 th\u1ed1ng c\u00f3 li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u1ecfng nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng, m\u00e1y b\u01a1m, v\u00e0 thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh.<\/p>\n

Kh\u00e1i Ni\u1ec7m C\u01a1 B\u1ea3n<\/h2>\n

C\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng bao g\u1ed3m:<\/p>\n

<\/p>\n

  • L\u01b0u l\u01b0\u1ee3ng (Flow Rate):<\/b> \u0110\u00e2y l\u00e0 l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t di\u1ec7n t\u00edch c\u1eaft ngang trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n cho l\u01b0u l\u01b0\u1ee3ng l\u00e0 \\( Q = A \\cdot v \\), trong \u0111\u00f3 \\( Q \\) l\u00e0 l\u01b0u l\u01b0\u1ee3ng, \\( A \\) l\u00e0 di\u1ec7n t\u00edch c\u1eaft ngang v\u00e0 \\( v \\) l\u00e0 v\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng.<\/li>\n
  • \u0110\u1ecbnh lu\u1eadt Bernoulli (Bernoulli’s Principle):<\/b> \u0110\u1ecbnh lu\u1eadt n\u00e0y cho r\u1eb1ng t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng trong m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00f4ng thay \u0111\u1ed5i, bao g\u1ed3m n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc, n\u0103ng l\u01b0\u1ee3ng th\u1ebf n\u0103ng, v\u00e0 \u00e1p su\u1ea5t. C\u00f4ng th\u1ee9c Bernoulli l\u00e0 \\( \\frac{1}{2}\\rho v^2 + \\rho gh + P = constant \\).<\/li>\n
  • \u0110\u1ed9 nh\u1edbt (Viscosity):<\/b> \u0110\u00e2y l\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u1ea5t l\u1ecfng ph\u1ea3n \u00e1nh s\u1ef1 kh\u00e1ng l\u1ea1i s\u1ef1 bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng. Ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt cao (nh\u01b0 m\u1eadt ong) s\u1ebd ch\u1ea3y ch\u1eadm h\u01a1n ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p (nh\u01b0 n\u01b0\u1edbc).<\/li>\n

    <\/u1><\/p>\n

    \u1ee8ng D\u1ee5ng Trong K\u1ef9 Thu\u1eadt Quy Tr\u00ecnh<\/h2>\n

    \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/p>\n

    <\/p>\n

  • H\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn (Piping Systems):<\/b> C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao. H\u1ecd ph\u1ea3i t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng, \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 nh\u1edbt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 \u0111i qua \u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n
  • M\u00e1y b\u01a1m (Pumps):<\/b> M\u00e1y b\u01a1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 di chuy\u1ec3n ch\u1ea5t l\u1ecfng t\u1eeb n\u01a1i n\u00e0y \u0111\u1ebfn n\u01a1i kh\u00e1c. \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng cung c\u1ea5p n\u1ec1n t\u1ea3ng \u0111\u1ec3 hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c lo\u1ea1i m\u00e1y b\u01a1m kh\u00e1c nhau.<\/li>\n
  • Thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t (Heat Exchangers):<\/b> Trong c\u00e1c h\u1ec7 th\u1ed1ng trao \u0111\u1ed5i nhi\u1ec7t, ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n nhi\u1ec7t t\u1eeb v\u00f9ng n\u00e0y sang v\u00f9ng kh\u00e1c. \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng gi\u00fap t\u00ednh to\u00e1n hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u00e0y.<\/li>\n

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

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

    \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh, gi\u00fap c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u1ecfng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n nh\u01b0 l\u01b0u l\u01b0\u1ee3ng, \u0111\u1ecbnh lu\u1eadt Bernoulli v\u00e0 \u0111\u1ed9 nh\u1edbt gi\u00fap \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng. Hy v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y, c\u00e1c b\u1ea1n \u0111\u00e3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 vai tr\u00f2 c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh: T\u00ecm hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong quy tr\u00ecnh k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t.<\/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":"\n\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh<\/title>\n<meta name=\"description\" content=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh: T\u00ecm hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong quy tr\u00ecnh k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t.\" \/>\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\/dong-luc-hoc-chat-long-trong-ky-thuat-quy-trinh\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong k\u1ef9 thu\u1eadt quy tr\u00ecnh: T\u00ecm hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong quy tr\u00ecnh k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/dong-luc-hoc-chat-long-trong-ky-thuat-quy-trinh\/\" \/>\n<meta property=\"og:site_name\" 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