{"id":710316,"date":"2024-07-25T21:18:28","date_gmt":"2024-07-25T20:18:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710316"},"modified":"2024-07-25T21:18:28","modified_gmt":"2024-07-25T20:18:28","slug":"lam-the-nao-de-may-phat-hoi-nuoc-tao-ra-hoi-nuoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/lam-the-nao-de-may-phat-hoi-nuoc-tao-ra-hoi-nuoc\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc?"},"content":{"rendered":"<p class=\"sidekick\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc? T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 quy tr\u00ecnh t\u1ea1o ra h\u01a1i n\u01b0\u1edbc t\u1eeb m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/lam_the_nao_de_may_phat_hoi_nuoc_tao_ra_hoi_nuoc.png\" alt=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc?<\/h2>\n<p>M\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc, hay c\u00f2n g\u1ecdi l\u00e0 n\u1ed3i h\u01a1i, l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra h\u01a1i n\u01b0\u1edbc, ph\u1ee5c v\u1ee5 cho quy tr\u00ecnh s\u1ea3n xu\u1ea5t ho\u1eb7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng. Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc l\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n<h2>Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc<\/h2>\n<p>M\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng. N\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng n\u01b0\u1edbc t\u1eeb tr\u1ea1ng th\u00e1i l\u1ecfng l\u00ean tr\u1ea1ng th\u00e1i h\u01a1i. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n sau:<\/p>\n<ul>\n<li>L\u00e0m n\u00f3ng n\u01b0\u1edbc<\/li>\n<li>T\u1ea1o h\u01a1i n\u01b0\u1edbc<\/li>\n<li>T\u00e1ch h\u01a1i n\u01b0\u1edbc kh\u1ecfi n\u01b0\u1edbc l\u1ecfng<\/li>\n<\/ul>\n<h3>L\u00e0m n\u00f3ng n\u01b0\u1edbc<\/h3>\n<p>\u0110\u1ea7u ti\u00ean, n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t c\u1ee7a n\u1ed3i h\u01a1i. T\u1ea1i \u0111\u00e2y, n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb ngu\u1ed3n nhi\u1ec7t (th\u01b0\u1eddng l\u00e0 nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch nh\u01b0 d\u1ea7u, than \u0111\u00e1, ho\u1eb7c kh\u00ed \u0111\u1ed1t) sang n\u01b0\u1edbc. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m n\u00f3ng n\u01b0\u1edbc l\u00e0:<\/p>\n<p>\n  \\( Q = mc\\Delta T \\)\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>Q: Nhi\u1ec7t l\u01b0\u1ee3ng (Joules)<\/li>\n<li>m: Kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc (kg)<\/li>\n<li>c: Nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbc (J\/kg\u00b7\u00b0C)<\/li>\n<li>\ud835\udee5T: Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/li>\n<\/ul>\n<h3>T\u1ea1o h\u01a1i n\u01b0\u1edbc<\/h3>\n<p>Ngay khi n\u01b0\u1edbc \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 s\u00f4i (kho\u1ea3ng 100\u00b0C \u1edf \u00e1p su\u1ea5t th\u01b0\u1eddng), n\u00f3 b\u1eaft \u0111\u1ea7u chuy\u1ec3n l\u00ean th\u00e0nh tr\u1ea1ng th\u00e1i h\u01a1i n\u01b0\u1edbc. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, nhi\u1ec7t l\u01b0\u1ee3ng ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c cung c\u1ea5p \u0111\u1ec3 duy tr\u00ec qu\u00e1 tr\u00ecnh bay h\u01a1i. C\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng n\u00e0y l\u00e0:<\/p>\n<p>\n  \\( Q = mL \\)\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>L: Nhi\u1ec7t h\u00f3a h\u01a1i c\u1ee7a n\u01b0\u1edbc (kho\u1ea3ng 2260 kJ\/kg \u1edf 100\u00b0C)<\/li>\n<\/ul>\n<h3>T\u00e1ch h\u01a1i n\u01b0\u1edbc kh\u1ecfi n\u01b0\u1edbc l\u1ecfng<\/h3>\n<p>Sau khi h\u01a1i n\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u1ea1o ra, n\u00f3 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e1ch ra kh\u1ecfi n\u01b0\u1edbc c\u00f2n l\u1ea1i. H\u1ec7 th\u1ed1ng m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1ed9t bu\u1ed3ng ch\u1ee9a ho\u1eb7c m\u1ed9t \u1ed1ng d\u1eabn \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 thu th\u1eadp v\u00e0 t\u00e1ch h\u01a1i n\u01b0\u1edbc ra. H\u01a1i n\u01b0\u1edbc sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c d\u1eabn \u0111\u1ebfn n\u01a1i s\u1eed d\u1ee5ng trong c\u00e1c qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 t\u1ea1o \u0111i\u1ec7n, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, ho\u1eb7c trong c\u00e1c quy tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>M\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quen thu\u1ed9c trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc, chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t th\u00e0nh h\u01a1i n\u01b0\u1edbc th\u00f4ng qua c\u00e1c b\u01b0\u1edbc l\u00e0m n\u00f3ng n\u01b0\u1edbc, t\u1ea1o h\u01a1i n\u01b0\u1edbc, v\u00e0 t\u00e1ch h\u01a1i n\u01b0\u1edbc. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c b\u01b0\u1edbc n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap ch\u00fang ta n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u1ed3i h\u01a1i, m\u00e0 c\u00f2n cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u01a1 b\u1ea3n v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc? T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 quy tr\u00ecnh t\u1ea1o ra h\u01a1i n\u01b0\u1edbc t\u1eeb m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc.<\/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>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc?<\/title>\n<meta name=\"description\" content=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y ph\u00e1t h\u01a1i n\u01b0\u1edbc t\u1ea1o ra h\u01a1i n\u01b0\u1edbc? 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