{"id":700274,"date":"2024-09-03T02:51:54","date_gmt":"2024-09-03T01:51:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700274"},"modified":"2024-09-03T02:51:54","modified_gmt":"2024-09-03T01:51:54","slug":"chuyen-nhiet-bang-muoi-nong-chay","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chuyen-nhiet-bang-muoi-nong-chay\/","title":{"rendered":"Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y"},"content":{"rendered":"<p class=\"sidekick\">Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y: T\u00ecm hi\u1ec3u c\u00e1ch mu\u1ed1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chuyen_nhiet_bang_muoi_nong_chay.png\" alt=\"Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Chuy\u1ec3n Nhi\u1ec7t B\u1eb1ng Mu\u1ed1i N\u00f3ng Ch\u1ea3y<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u1ef1c k\u1ef3 quan tr\u1ecdng v\u00e0 h\u1eefu \u00edch. K\u1ef9 thu\u1eadt n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u1eadp trung (CSP), h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t v\u00e0 trong m\u1ed9t s\u1ed1 qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n<h3>Mu\u1ed1i N\u00f3ng Ch\u1ea3y l\u00e0 g\u00ec?<\/h3>\n<p>Mu\u1ed1i n\u00f3ng ch\u1ea3y th\u01b0\u1eddng l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a c\u00e1c mu\u1ed1i v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p, nh\u01b0 natri nitrat (NaNO<sub>3<\/sub>) v\u00e0 kali nitrat (KNO<sub>3<\/sub>). Nh\u1eefng mu\u1ed1i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef nhi\u1ec7t v\u00e0 truy\u1ec1n nhi\u1ec7t r\u1ea5t t\u1ed1t, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t.<\/p>\n<h3>\u01afu \u0110i\u1ec3m c\u1ee7a Mu\u1ed1i N\u00f3ng Ch\u1ea3y<\/h3>\n<ul>\n<li><strong>\u0110\u1ed9 D\u1eabn Nhi\u1ec7t Cao:<\/strong> Mu\u1ed1i n\u00f3ng ch\u1ea3y c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 chuy\u1ec3n nhi\u1ec7t.<\/li>\n<li><strong>Kh\u1ea3 N\u0103ng L\u01b0u Tr\u1eef Nhi\u1ec7t L\u1edbn:<\/strong> C\u00e1c mu\u1ed1i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t m\u00e0 kh\u00f4ng c\u1ea7n t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c th\u1ec3 t\u00edch.<\/li>\n<li><strong>Chi Ph\u00ed H\u1ee3p L\u00fd:<\/strong> So v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t kh\u00e1c, mu\u1ed1i n\u00f3ng ch\u1ea3y th\u01b0\u1eddng r\u1ebb h\u01a1n v\u00e0 d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn.<\/li>\n<\/ul>\n<h3>C\u01a1 Ch\u1ebf Chuy\u1ec3n Nhi\u1ec7t<\/h3>\n<p>Qu\u00e1 tr\u00ecnh chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y th\u01b0\u1eddng x\u1ea3y ra theo c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\n<ol>\n<li><strong>\u0110un N\u00f3ng:<\/strong> Mu\u1ed1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u0111un n\u00f3ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u1eeb ngu\u1ed3n nh\u01b0 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi ho\u1eb7c \u0111i\u1ec7n.<\/li>\n<li><strong>L\u01b0u Tr\u1eef:<\/strong> Sau khi \u0111un n\u00f3ng, mu\u1ed1i n\u00f3ng ch\u1ea3y l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng \u1edf d\u1ea1ng nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><strong>Chuy\u1ec3n \u0110\u1ed5i:<\/strong> Nhi\u1ec7t n\u0103ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n n\u0103ng ho\u1eb7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/li>\n<\/ol>\n<p>C\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t truy\u1ec1n qua mu\u1ed1i n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<p>\\[<br \/>\nQ = mc\\Delta T<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>Q: L\u01b0\u1ee3ng nhi\u1ec7t n\u0103ng (Joule)<\/li>\n<li>m: Kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i n\u00f3ng ch\u1ea3y (kg)<\/li>\n<li>c: Nhi\u1ec7t dung ri\u00eang c\u1ee7a mu\u1ed1i n\u00f3ng ch\u1ea3y (J\/(kg\u00b7\u00b0C))<\/li>\n<li>\\(\\Delta T\\): S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/li>\n<\/ul>\n<h3>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h3>\n<p>Trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi t\u1eadp trung (CSP), mu\u1ed1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1eeb m\u1eb7t tr\u1eddi. Khi kh\u00f4ng c\u00f3 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi, nh\u01b0 v\u00e0o ban \u0111\u00eam, mu\u1ed1i n\u00f3ng ch\u1ea3y s\u1ebd gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u1ec3 ti\u1ebfp t\u1ee5c t\u1ea1o ra \u0111i\u1ec7n.<\/p>\n<p>Kh\u00f4ng ch\u1ec9 trong CSP, mu\u1ed1i n\u00f3ng ch\u1ea3y c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 luy\u1ec7n kim v\u00e0 h\u00f3a ch\u1ea5t, n\u01a1i c\u1ea7n duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 cao \u1ed5n \u0111\u1ecbnh trong c\u00e1c l\u00f2 nung ho\u1eb7c b\u1ec3 ch\u1ee9a nhi\u1ec7t.<\/p>\n<p>S\u1eed d\u1ee5ng mu\u1ed1i n\u00f3ng ch\u1ea3y l\u00e0m gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u00e0 gi\u00fap th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y: T\u00ecm hi\u1ec3u c\u00e1ch mu\u1ed1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 truy\u1ec1n t\u1ea3i nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/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>Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y<\/title>\n<meta name=\"description\" content=\"Chuy\u1ec3n nhi\u1ec7t b\u1eb1ng mu\u1ed1i n\u00f3ng ch\u1ea3y: T\u00ecm hi\u1ec3u c\u00e1ch mu\u1ed1i n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c 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