{"id":688562,"date":"2024-11-29T13:42:58","date_gmt":"2024-11-29T12:42:58","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=688562"},"modified":"2024-11-29T13:42:58","modified_gmt":"2024-11-29T12:42:58","slug":"dau-lanh-bao-ve-may-nen-va-cac-loai","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dau-lanh-bao-ve-may-nen-va-cac-loai\/","title":{"rendered":"D\u1ea7u L\u1ea1nh | B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c Lo\u1ea1i"},"content":{"rendered":"<p class=\"sidekick\">D\u1ea7u L\u1ea1nh | B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c Lo\u1ea1i: T\u00ecm hi\u1ec3u v\u1ec1 d\u1ea7u l\u1ea1nh, vai tr\u00f2 b\u1ea3o v\u1ec7 m\u00e1y n\u00e9n v\u00e0 c\u00e1c lo\u1ea1i d\u1ea7u l\u1ea1nh ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u01a1 nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dau_lanh_bao_ve_may_nen_va_cac_loai.png\" alt=\"D\u1ea7u L\u1ea1nh | B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c Lo\u1ea1i\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>D\u1ea7u L\u1ea1nh: B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c Lo\u1ea1i<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, d\u1ea7u l\u1ea1nh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y n\u00e9n. M\u00e1y n\u00e9n l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i d\u1ea7u s\u1ebd gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/p>\n<h2>Vai Tr\u00f2 C\u1ee7a D\u1ea7u L\u1ea1nh<\/h2>\n<p>D\u1ea7u l\u1ea1nh c\u00f3 nhi\u1ec1u ch\u1ee9c n\u0103ng quan tr\u1ecdng nh\u01b0:<\/p>\n<ul>\n<li>B\u00f4i tr\u01a1n c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng trong m\u00e1y n\u00e9n<\/li>\n<li>Gi\u1ea3m ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n<\/li>\n<li>Gi\u00fap t\u1ea3n nhi\u1ec7t t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn n\u00f3ng<\/li>\n<li>G\u00f3p ph\u1ea7n v\u00e0o qu\u00e1 tr\u00ecnh b\u1ecbt k\u00edn c\u00e1c khe h\u1edf<\/li>\n<\/ul>\n<h2>C\u00e1c Lo\u1ea1i D\u1ea7u L\u1ea1nh Ph\u1ed5 Bi\u1ebfn<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i d\u1ea7u l\u1ea1nh kh\u00e1c nhau, \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean lo\u1ea1i m\u00e1y n\u00e9n v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i d\u1ea7u l\u1ea1nh ph\u1ed5 bi\u1ebfn:<\/p>\n<h3>D\u1ea7u Kho\u00e1ng (Mineral Oil)<\/h3>\n<p>D\u1ea7u kho\u00e1ng l\u00e0 lo\u1ea1i d\u1ea7u truy\u1ec1n th\u1ed1ng, \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb d\u1ea7u m\u1ecf. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u0169. M\u1eb7c d\u00f9 gi\u00e1 th\u00e0nh th\u1ea5p, nh\u01b0ng d\u1ea7u kho\u00e1ng th\u01b0\u1eddng k\u00e9m b\u1ec1n khi ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao.<\/p>\n<h3>D\u1ea7u Polyalphaolefin (PAO)<\/h3>\n<p>D\u1ea7u PAO l\u00e0 d\u1ea7u t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n so v\u1edbi d\u1ea7u kho\u00e1ng. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi nhi\u1ec1u lo\u1ea1i ch\u1ea5t l\u00e0m l\u1ea1nh kh\u00e1c nhau.<\/p>\n<h3>D\u1ea7u Polyol Ester (POE)<\/h3>\n<p>D\u1ea7u POE c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i d\u1ea7u t\u1ed5ng h\u1ee3p v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng ch\u1ea5t l\u00e0m l\u1ea1nh HFC, ch\u1eb3ng h\u1ea1n nh\u01b0 R-134a. POE c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft cao, gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y n\u00e9n.<\/p>\n<h2>B\u1ea3o D\u01b0\u1ee1ng H\u1ec7 Th\u1ed1ng V\u1edbi D\u1ea7u L\u1ea1nh<\/h2>\n<p>Vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 h\u1ec7 th\u1ed1ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ea7u l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. M\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng bao g\u1ed3m:<\/p>\n<ol>\n<li>Ki\u1ec3m tra m\u1ee9c d\u1ea7u th\u01b0\u1eddng xuy\u00ean<\/li>\n<li>Thay d\u1ea7u \u0111\u1ecbnh k\u1ef3 theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<li>S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i d\u1ea7u \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho m\u00e1y n\u00e9n<\/li>\n<li>Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch c\u00e1c b\u1ed9 ph\u1eadn l\u1ecdc d\u1ea7u<\/li>\n<\/ol>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>T\u00f3m l\u1ea1i, d\u1ea7u l\u1ea1nh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y n\u00e9n. Vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i d\u1ea7u v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n b\u1ec9. N\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi n\u00e0o v\u1ec1 vi\u1ec7c ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng d\u1ea7u l\u1ea1nh, \u0111\u1eebng ng\u1ea7n ng\u1ea1i tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u00e1c chuy\u00ean gia k\u1ef9 thu\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u1ea7u L\u1ea1nh | B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c Lo\u1ea1i: T\u00ecm hi\u1ec3u v\u1ec1 d\u1ea7u l\u1ea1nh, vai tr\u00f2 b\u1ea3o v\u1ec7 m\u00e1y n\u00e9n v\u00e0 c\u00e1c lo\u1ea1i d\u1ea7u l\u1ea1nh ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u01a1 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>D\u1ea7u L\u1ea1nh | B\u1ea3o V\u1ec7 M\u00e1y N\u00e9n v\u00e0 C\u00e1c 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