{"id":703746,"date":"2024-11-14T15:23:13","date_gmt":"2024-11-14T14:23:13","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=703746"},"modified":"2024-11-14T15:23:13","modified_gmt":"2024-11-14T14:23:13","slug":"may-nen-lanh-cac-loai-va-he-thong-lam-lanh","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/may-nen-lanh-cac-loai-va-he-thong-lam-lanh\/","title":{"rendered":"M\u00e1y N\u00e9n L\u1ea1nh | C\u00e1c Lo\u1ea1i v\u00e0 H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh"},"content":{"rendered":"<p class=\"sidekick\">M\u00e1y n\u00e9n l\u1ea1nh: t\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i m\u00e1y n\u00e9n v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ph\u1ed5 bi\u1ebfn, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/may_nen_lanh_cac_loai_va_he_thong_lam_lanh.png\" alt=\"M\u00e1y N\u00e9n L\u1ea1nh | C\u00e1c Lo\u1ea1i v\u00e0 H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>M\u00e1y N\u00e9n L\u1ea1nh | C\u00e1c Lo\u1ea1i v\u00e0 H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, m\u00e1y n\u00e9n l\u1ea1nh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. M\u00e1y n\u00e9n l\u1ea1nh l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng d\u00f9ng \u0111\u1ec3 l\u00e0m t\u0103ng \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u00e0m l\u1ea1nh (refrigerant), gi\u00fap ch\u1ea5t n\u00e0y chuy\u1ec3n t\u1eeb d\u1ea1ng kh\u00ed sang d\u1ea1ng l\u1ecfng \u0111\u1ec3 t\u1ea1o ra hi\u1ec7u \u1ee9ng l\u00e0m l\u1ea1nh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c lo\u1ea1i m\u00e1y n\u00e9n l\u1ea1nh v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng trong h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh.<\/p>\n<h2>C\u00e1c Lo\u1ea1i M\u00e1y N\u00e9n L\u1ea1nh<\/h2>\n<p><u1><\/p>\n<li><b>M\u00e1y N\u00e9n Piston:<\/b> \u0110\u00e2y l\u00e0 lo\u1ea1i m\u00e1y n\u00e9n s\u1eed d\u1ee5ng piston \u0111\u1ec3 n\u00e9n ch\u1ea5t l\u00e0m l\u1ea1nh. Piston di chuy\u1ec3n l\u00ean xu\u1ed1ng b\u00ean trong xi lanh \u0111\u1ec3 thay \u0111\u1ed5i \u00e1p su\u1ea5t c\u1ee7a m\u00f4i ch\u1ea5t. M\u00e1y n\u00e9n piston c\u00f3 hi\u1ec7u su\u1ea5t cao nh\u01b0ng ti\u1ebfng \u1ed3n l\u1edbn v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u00f4ng nghi\u1ec7p.<\/li>\n<li><b>M\u00e1y N\u00e9n Xo\u1eafn \u1ed0c (Scroll):<\/b> Lo\u1ea1i m\u00e1y n\u00e9n n\u00e0y s\u1eed d\u1ee5ng hai t\u1ea5m xo\u1eafn \u1ed1c \u0111\u1ec3 n\u00e9n ch\u1ea5t l\u00e0m l\u1ea1nh: m\u1ed9t t\u1ea5m xo\u1eafn \u1ed1c \u0111\u1ee9ng y\u00ean v\u00e0 m\u1ed9t t\u1ea5m xo\u1eafn \u1ed1c di chuy\u1ec3n. \u0110\u1ed9 \u1ed3n th\u1ea5p, hi\u1ec7u n\u0103ng t\u1ed1t v\u00e0 \u0111\u1ed9 tin c\u1eady cao ch\u00ednh l\u00e0 nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u00e1y n\u00e9n xo\u1eafn \u1ed1c.<\/li>\n<li><b>M\u00e1y N\u00e9n C\u00e1nh Qu\u1ea1t Quay (Rotary Vane):<\/b> \u0110\u00e2y l\u00e0 m\u00e1y n\u00e9n c\u00f3 c\u01a1 c\u1ea5u s\u1eed d\u1ee5ng c\u00e1nh qu\u1ea1t quay \u0111\u1ec3 n\u00e9n ch\u1ea5t l\u00e0m l\u1ea1nh. Lo\u1ea1i n\u00e0y th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n, \u00edt \u1ed3n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed d\u00e2n d\u1ee5ng.<\/li>\n<li><b>M\u00e1y N\u00e9n Tr\u1ee5c V\u00edt (Screw):<\/b> M\u00e1y n\u00e9n tr\u1ee5c v\u00edt s\u1eed d\u1ee5ng hai tr\u1ee5c v\u00edt xo\u1eafn ng\u01b0\u1ee3c chi\u1ec1u \u0111\u1ec3 n\u00e9n m\u00f4i ch\u1ea5t. Lo\u1ea1i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn v\u00e0 ch\u1ecbu t\u1ea3i n\u0103ng, ph\u00f9 h\u1ee3p cho c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn.<\/li>\n<li><b>M\u00e1y N\u00e9n Ly T\u00e2m (Centrifugal):<\/b> M\u00e1y n\u00e9n n\u00e0y s\u1eed d\u1ee5ng l\u1ef1c ly t\u00e2m \u0111\u1ec3 n\u00e9n ch\u1ea5t l\u00e0m l\u1ea1nh. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn v\u00e0 ti\u00eau t\u1ed1n n\u0103ng l\u01b0\u1ee3ng l\u1edbn. M\u00e1y n\u00e9n ly t\u00e2m c\u00f3 hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c cao v\u00e0 tu\u1ed5i th\u1ecd d\u00e0i.<\/li>\n<p><\/u1><\/p>\n<h2>C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a H\u1ec7 Th\u1ed1ng L\u00e0m L\u1ea1nh<\/h2>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u01a1 b\u1ea3n th\u01b0\u1eddng bao g\u1ed3m b\u1ed1n th\u00e0nh ph\u1ea7n ch\u00ednh: m\u00e1y n\u00e9n, d\u00e0n ng\u01b0ng, van ti\u1ebft l\u01b0u v\u00e0 d\u00e0n bay h\u01a1i.<\/p>\n<ol>\n<li><b>M\u00e1y N\u00e9n:<\/b> M\u00e1y n\u00e9n l\u00e0m nhi\u1ec7m v\u1ee5 n\u00e9n ch\u1ea5t l\u00e0m l\u1ea1nh t\u1eeb tr\u1ea1ng th\u00e1i h\u01a1i (gas) sang tr\u1ea1ng th\u00e1i l\u1ecfng (liquid) v\u1edbi \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><b>D\u00e0n Ng\u01b0ng (Condenser):<\/b> D\u00e0n ng\u01b0ng l\u00e0 n\u01a1i ch\u1ea5t l\u00e0m l\u1ea1nh \u0111\u01b0\u1ee3c l\u00e0m \u01b0\u1edbt v\u00e0 ng\u01b0ng t\u1ee5 th\u00e0nh d\u1ea1ng l\u1ecfng. T\u1ea1i \u0111\u00e2y, ch\u1ea5t l\u00e0m l\u1ea1nh gi\u1ea3i nhi\u1ec7t v\u00e0 chuy\u1ec3n t\u1eeb d\u1ea1ng h\u01a1i sang d\u1ea1ng l\u1ecfng.<\/li>\n<li><b>Van Ti\u1ebft L\u01b0u (Expansion Valve):<\/b> Van ti\u1ebft l\u01b0u l\u00e0m gi\u1ea3m \u00e1p su\u1ea5t c\u1ee7a ch\u1ea5t l\u00e0m l\u1ea1nh l\u1ecfng tr\u01b0\u1edbc khi n\u00f3 \u0111i v\u00e0o d\u00e0n bay h\u01a1i.<\/li>\n<li><b>D\u00e0n Bay H\u01a1i (Evaporator):<\/b> D\u00e0n bay h\u01a1i l\u00e0 n\u01a1i ch\u1ea5t l\u00e0m l\u1ea1nh h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 chuy\u1ec3n h\u00f3a t\u1eeb tr\u1ea1ng th\u00e1i l\u1ecfng sang tr\u1ea1ng th\u00e1i h\u01a1i. S\u1ef1 chuy\u1ec3n h\u00f3a n\u00e0y t\u1ea1o ra hi\u1ec7u \u1ee9ng l\u00e0m l\u1ea1nh.<\/li>\n<\/ol>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y l\u1eb7p \u0111i l\u1eb7p l\u1ea1i trong m\u1ed9t chu tr\u00ecnh kh\u00e9p k\u00edn, gi\u00fap duy tr\u00ec m\u00f4i tr\u01b0\u1eddng l\u00e0m l\u1ea1nh nh\u01b0 mong mu\u1ed1n.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ch\u1ecdn lo\u1ea1i m\u00e1y n\u00e9n ph\u00f9 h\u1ee3p v\u00e0 duy tr\u00ec c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1t nh\u1ea5t. Hi\u1ec3u bi\u1ebft v\u1eefng ch\u1eafc v\u1ec1 c\u00e1c lo\u1ea1i m\u00e1y n\u00e9n l\u1ea1nh v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u1ee7a m\u00ecnh, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y n\u00e9n l\u1ea1nh: t\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i m\u00e1y n\u00e9n v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh ph\u1ed5 bi\u1ebfn, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.<\/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\/ 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