{"id":700950,"date":"2024-08-01T21:37:28","date_gmt":"2024-08-01T20:37:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700950"},"modified":"2024-08-01T21:37:28","modified_gmt":"2024-08-01T20:37:28","slug":"truyen-nhiet-trong-chu-trinh-rankine-huu-co","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/truyen-nhiet-trong-chu-trinh-rankine-huu-co\/","title":{"rendered":"Truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh Rankine h\u1eefu c\u01a1"},"content":{"rendered":"<p class=\"sidekick\">T\u00ecm hi\u1ec3u quy tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh Rankine h\u1eefu c\u01a1, m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh c\u00f4ng su\u1ea5t \u0111i\u1ec7n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/truyen_nhiet_trong_chu_trinh_rankine_huu_co.png\" alt=\"Truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh Rankine h\u1eefu c\u01a1\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Truy\u1ec1n Nhi\u1ec7t trong Chu Tr\u00ecnh Rankine H\u1eefu C\u01a1<\/h2>\n<p>Chu tr\u00ecnh Rankine h\u1eefu c\u01a1 (ORC &#8211; Organic Rankine Cycle) l\u00e0 m\u1ed9t chu tr\u00ecnh nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 l\u00e0m m\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c, thay v\u00ec n\u01b0\u1edbc ho\u1eb7c h\u01a1i n\u01b0\u1edbc. Chu tr\u00ecnh n\u00e0y ph\u1ed5 bi\u1ebfn trong c\u00e1c \u1ee9ng d\u1ee5ng thu h\u1ed3i nhi\u1ec7t v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00ec kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n so v\u1edbi chu tr\u00ecnh Rankine truy\u1ec1n th\u1ed1ng.<\/p>\n<h2>C\u00e1c B\u1ed9 Ph\u1eadn Ch\u00ednh trong Chu Tr\u00ecnh Rankine H\u1eefu C\u01a1<\/h2>\n<p><u1><\/p>\n<li><b>B\u00ecnh ng\u01b0ng: <\/b>L\u00e0m ngu\u1ed9i v\u00e0 ng\u01b0ng t\u1ee5 m\u00f4i ch\u1ea5t t\u1eeb d\u1ea1ng kh\u00ed v\u1ec1 d\u1ea1ng l\u1ecfng.<\/li>\n<li><b>M\u00e1y b\u01a1m: <\/b>T\u0103ng \u00e1p su\u1ea5t m\u00f4i ch\u1ea5t l\u1ecfng v\u00e0 \u0111\u1ea9y n\u00f3 v\u00e0o b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<li><b>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t (n\u1ed3i h\u01a1i): <\/b>L\u00e0m n\u00f3ng m\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c, chuy\u1ec3n n\u00f3 t\u1eeb d\u1ea1ng l\u1ecfng sang d\u1ea1ng kh\u00ed.<\/li>\n<li><b>Tuabin: <\/b>Bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc.<\/li>\n<p><\/u1><\/p>\n<h2>Nguy\u00ean L\u00fd Truy\u1ec1n Nhi\u1ec7t trong Chu Tr\u00ecnh Rankine H\u1eefu C\u01a1<\/h2>\n<p>Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh Rankine h\u1eefu c\u01a1 di\u1ec5n ra d\u01b0\u1edbi ba giai \u0111o\u1ea1n ch\u00ednh:<\/p>\n<h3>1. Gia nhi\u1ec7t trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t (n\u1ed3i h\u01a1i)<\/h3>\n<p>M\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c gia nhi\u1ec7t, chuy\u1ec3n t\u1eeb d\u1ea1ng l\u1ecfng c\u00f3 \u00e1p su\u1ea5t cao th\u00e0nh d\u1ea1ng kh\u00ed. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh truy\u1ec1n nhi\u1ec7t c\u01a1 b\u1ea3n:<\/p>\n<p>Q = m * (h<sub>2<\/sub> &#8211; h<sub>1<\/sub>)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>Q: L\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n v\u00e0o (J)<\/li>\n<li>m: Kh\u1ed1i l\u01b0\u1ee3ng m\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c (kg)<\/li>\n<li>h<sub>1<\/sub>, h<sub>2<\/sub>: Enthalpy c\u1ee7a m\u00f4i ch\u1ea5t t\u1ea1i c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 ra c\u1ee7a n\u1ed3i h\u01a1i (J\/kg)<\/li>\n<p><\/u1><\/p>\n<h3>2. Gi\u00e3n n\u1edf trong tuabin<\/h3>\n<p>Trong tuabin, m\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c s\u1ebd gi\u00e3n n\u1edf v\u00e0 l\u00e0m vi\u1ec7c, bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng:<\/p>\n<p>P = m * (h<sub>2<\/sub> &#8211; h<sub>3<\/sub>)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>P: C\u00f4ng su\u1ea5t (W)<\/li>\n<li>h<sub>2<\/sub>, h<sub>3<\/sub>: Enthalpy c\u1ee7a m\u00f4i ch\u1ea5t t\u1ea1i \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a tuabin (J\/kg)<\/li>\n<p><\/u1><\/p>\n<h3>3. Ng\u01b0ng t\u1ee5 trong b\u00ecnh ng\u01b0ng<\/h3>\n<p>M\u00f4i ch\u1ea5t l\u00e0m vi\u1ec7c sau khi ra kh\u1ecfi tuabin s\u1ebd \u0111i v\u00e0o b\u00ecnh ng\u01b0ng, n\u01a1i n\u00f3 s\u1ebd ngu\u1ed9i \u0111i v\u00e0 ng\u01b0ng t\u1ee5 t\u1eeb d\u1ea1ng kh\u00ed v\u1ec1 d\u1ea1ng l\u1ecfng. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 trong qu\u00e1 tr\u00ecnh n\u00e0y:<\/p>\n<p>Q = m * (h<sub>3<\/sub> &#8211; h<sub>4<\/sub>)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>h<sub>3<\/sub>, h<sub>4<\/sub>: Enthalpy c\u1ee7a m\u00f4i ch\u1ea5t t\u1ea1i \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a b\u00ecnh ng\u01b0ng (J\/kg)<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<p>Chu tr\u00ecnh Rankine h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng thu h\u1ed3i nhi\u1ec7t th\u1ea3i v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o nh\u01b0 nhi\u1ec7t \u0111i\u1ec7n m\u1eb7t tr\u1eddi, \u0111i\u1ec7n \u0111\u1ecba nhi\u1ec7t v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n sinh kh\u1ed1i. Nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c \u1edf c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t th\u1ea5p h\u01a1n, ORC l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u00e1c ngu\u1ed3n nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Chu tr\u00ecnh Rankine h\u1eefu c\u01a1 l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong l\u0129nh v\u1ef1c thu h\u1ed3i nhi\u1ec7t v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o. Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh n\u00e0y gi\u00fap ch\u00fang ta t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 \u00e1p d\u1ee5ng n\u00f3 v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u quy tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh Rankine h\u1eefu c\u01a1, m\u1ed9t h\u1ec7 th\u1ed1ng gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh c\u00f4ng su\u1ea5t \u0111i\u1ec7n.<\/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>Truy\u1ec1n nhi\u1ec7t trong chu tr\u00ecnh 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