{"id":691576,"date":"2024-10-23T04:06:49","date_gmt":"2024-10-23T03:06:49","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=691576"},"modified":"2024-10-23T04:06:49","modified_gmt":"2024-10-23T03:06:49","slug":"freon-he-thong-lam-lanh-may-lanh-dac-diem-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/freon-he-thong-lam-lanh-may-lanh-dac-diem-nhiet\/","title":{"rendered":"Freon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t"},"content":{"rendered":"

Freon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t: Kh\u00e1m ph\u00e1 vai tr\u00f2 c\u1ee7a Freon trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, m\u00e1y l\u1ea1nh v\u00e0 \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a n\u00f3.<\/p>\n

\"Freon<\/p>\n

Freon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t<\/h2>\n

Freon<\/strong> l\u00e0 t\u00ean th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a m\u1ed9t nh\u00f3m c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00f4ng ty h\u00f3a ch\u1ea5t DuPont. C\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 Freon, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh v\u00e0 m\u00e1y l\u1ea1nh, c\u0169ng nh\u01b0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n

Freon l\u00e0 g\u00ec?<\/h2>\n

Freon l\u00e0 m\u1ed9t t\u00ean th\u01b0\u01a1ng m\u1ea1i chung cho nh\u00f3m c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c d\u1eabn xu\u1ea5t c\u1ee7a cloro-floro-carbon (CFC), hydro-cloro-floro-carbon (HCFC), v\u00e0 hydro-floro-carbon (HFC). C\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh n\u00e0y \u0111\u00e3 t\u1eebng r\u1ea5t ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng l\u00e0m l\u1ea1nh v\u00ec t\u00ednh n\u0103ng d\u1ec5 bay h\u01a1i v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m l\u1ea1nh hi\u1ec7u qu\u1ea3.<\/p>\n

H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh<\/h2>\n

H\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chu tr\u00ecnh nhi\u1ec7t \u0111\u1ed9ng, trong \u0111\u00f3 Freon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t l\u00e0m l\u1ea1nh. Qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u01a1 b\u1ea3n bao g\u1ed3m b\u1ed1n b\u01b0\u1edbc ch\u00ednh:<\/p>\n

    \n
  1. \u00c9p N\u00e9n:<\/strong> Freon \u1edf tr\u1ea1ng th\u00e1i kh\u00ed \u0111\u01b0\u1ee3c m\u00e1y n\u00e9n n\u00e9n l\u1ea1i, l\u00e0m t\u0103ng \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3.<\/li>\n
  2. Ng\u01b0ng T\u1ee5:<\/strong> Kh\u00ed Freon n\u00f3ng n\u00e0y qua d\u00e0n ng\u01b0ng t\u1ee5, b\u1ecb l\u00e0m l\u1ea1nh v\u00e0 chuy\u1ec3n sang tr\u1ea1ng th\u00e1i l\u1ecfng.<\/li>\n
  3. Gi\u00e3n N\u1edf:<\/strong> Freon l\u1ecfng \u0111i qua van ti\u1ebft l\u01b0u, l\u00e0m gi\u1ea3m \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3.<\/li>\n
  4. B\u1ed1c H\u01a1i:<\/strong> Ch\u1ea5t l\u00e0m l\u1ea1nh \u1edf tr\u1ea1ng th\u00e1i l\u1ecfng c\u1ee7a Freon th\u00f4ng qua d\u00e0n b\u1ed1c h\u01a1i, h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb kh\u00f4ng kh\u00ed xung quanh v\u00e0 chuy\u1ec3n l\u1ea1i tr\u1ea1ng th\u00e1i kh\u00ed. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0m l\u1ea1nh kh\u00f4ng kh\u00ed trong ph\u00f2ng.<\/li>\n<\/ol>\n

    \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t<\/h2>\n

    C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t c\u1ee7a Freon \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong hi\u1ec7u qu\u1ea3 l\u00e0m l\u1ea1nh c\u1ee7a h\u1ec7 th\u1ed1ng:<\/p>\n

      \n
    • Nhi\u1ec7t Dung Ri\u00eang:<\/strong> Freon c\u00f3 nhi\u1ec7t dung ri\u00eang th\u1ea5p, cho ph\u00e9p n\u00f3 h\u1ea5p th\u1ee5 nhi\u1ec1u nhi\u1ec7t khi b\u1ed1c h\u01a1i.<\/li>\n
    • \u0110i\u1ec3m S\u00f4i Th\u1ea5p:<\/strong> Freon c\u00f3 \u0111i\u1ec3m s\u00f4i th\u1ea5p, gi\u00fap n\u00f3 d\u1ec5 d\u00e0ng b\u1ed1c h\u01a1i \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t th\u1ea5p trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh.<\/li>\n
    • \u00c1p Su\u1ea5t Ho\u1ea1t \u0110\u1ed9ng:<\/strong> Freon ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u1edf c\u1ea3 \u00e1p su\u1ea5t cao v\u00e0 th\u1ea5p, l\u00e0m cho h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n

      M\u00e1y L\u1ea1nh<\/h2>\n

      M\u00e1y l\u1ea1nh l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a Freon. C\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a m\u00e1y l\u1ea1nh bao g\u1ed3m m\u00e1y n\u00e9n, d\u00e0n ng\u01b0ng t\u1ee5, van ti\u1ebft l\u01b0u, v\u00e0 d\u00e0n b\u1ed1c h\u01a1i. Chu tr\u00ecnh l\u00e0m l\u1ea1nh trong m\u00e1y l\u1ea1nh tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc \u0111\u00e3 m\u00f4 t\u1ea3 \u1edf ph\u1ea7n tr\u00ean, v\u00e0 Freon \u0111\u00f3ng vai tr\u00f2 ch\u1ea5t l\u00e0m l\u1ea1nh ch\u00ednh.<\/p>\n

      Tuy nhi\u00ean, do t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ed1i v\u1edbi t\u1ea7ng ozone c\u1ee7a tr\u00e1i \u0111\u1ea5t, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u1ee3p ch\u1ea5t CFC v\u00e0 HCFC nh\u01b0 Freon r-12 \u0111\u00e3 b\u1ecb h\u1ea1n ch\u1ebf v\u00e0 thay th\u1ebf b\u1eb1ng c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng nh\u01b0 HFC (v\u00ed d\u1ee5: R-134a) ho\u1eb7c c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh t\u1ef1 nhi\u00ean nh\u01b0 propane v\u00e0 butane.<\/p>\n

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

      Freon v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh s\u1eed d\u1ee5ng Freon \u0111\u00e3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y l\u1ea1nh v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nhi\u1ec7t c\u1ee7a Freon gi\u00fap ch\u00fang ta s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o d\u01b0\u1ee1ng c\u00e1c thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u00e2n nh\u1eafc \u0111\u1ebfn t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng v\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c s\u1ea3n ph\u1ea9m th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Freon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t: Kh\u00e1m ph\u00e1 vai tr\u00f2 c\u1ee7a Freon trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, m\u00e1y l\u1ea1nh v\u00e0 \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a n\u00f3.<\/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":"\nFreon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Freon | H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh, M\u00e1y L\u1ea1nh & \u0110\u1eb7c \u0110i\u1ec3m Nhi\u1ec7t: Kh\u00e1m ph\u00e1 vai tr\u00f2 c\u1ee7a Freon trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, m\u00e1y l\u1ea1nh v\u00e0 \u0111\u1eb7c t\u00ednh nhi\u1ec7t c\u1ee7a n\u00f3.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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