{"id":711266,"date":"2024-10-21T03:43:00","date_gmt":"2024-10-21T02:43:00","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=711266"},"modified":"2024-10-21T03:43:00","modified_gmt":"2024-10-21T02:43:00","slug":"vat-lieu-cach-nhiet-cho-duong-ong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-cach-nhiet-cho-duong-ong\/","title":{"rendered":"V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng: t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3, c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng trong b\u1ea3o v\u1ec7 nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_cach_nhiet_cho_duong_ong.png\" alt=\"V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt Li\u1ec7u C\u00e1ch Nhi\u1ec7t Cho \u0110\u01b0\u1eddng \u1ed0ng<\/h2>\n<p>\u0110\u01b0\u1eddng \u1ed1ng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong nhi\u1ec1u h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng, nh\u01b0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi, l\u00e0m l\u1ea1nh, v\u00e0 v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Vi\u1ec7c c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 theo mong mu\u1ed1n, gi\u1ea3m ti\u00eau hao n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng kh\u1ecfi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n<h2>1. S\u1ee3i Th\u1ee7y Tinh<\/h2>\n<ul>\n<li>Kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t<\/li>\n<li>Chi ph\u00ed h\u1ee3p l\u00fd<\/li>\n<li>D\u1ec5 d\u00e0ng c\u1eaft v\u00e0 l\u1eafp \u0111\u1eb7t<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/li>\n<\/ul>\n<p>S\u1ee3i th\u1ee7y tinh l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc n\u00f3ng v\u00e0 l\u1ea1nh, h\u1ec7 th\u1ed1ng HVAC (s\u01b0\u1edfi, th\u00f4ng gi\u00f3 v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed), v\u00e0 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n<h2>2. B\u1ecdt Polyurethane<\/h2>\n<ul>\n<li>Kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t cao<\/li>\n<li>Nh\u1eb9 v\u00e0 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m<\/li>\n<\/ul>\n<p>B\u1ecdt polyurethane c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p, ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng n\u01a1i c\u00f3 y\u00eau c\u1ea7u c\u00e1ch nhi\u1ec7t cao. V\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c phun tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng, gi\u00fap t\u1ea1o l\u1edbp m\u00e0ng k\u00edn v\u00e0 hi\u1ec7u qu\u1ea3 c\u00e1ch nhi\u1ec7t t\u1ed1t.<\/p>\n<h2>3. Cao Su Nitrile<\/h2>\n<ul>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV v\u00e0 th\u1eddi ti\u1ebft t\u1ed1t<\/li>\n<li>\u0110\u1ed9 \u0111\u00e0n h\u1ed3i cao<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<\/ul>\n<p>Cao su nitrile ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u kh\u00ed v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng l\u1ea1nh c\u00f4ng nghi\u1ec7p.<\/p>\n<h2>4. Canxi Silicat<\/h2>\n<ul>\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao (l\u00ean t\u1edbi 1000\u00b0C)<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/li>\n<li>Kh\u00f4ng h\u00fat \u1ea9m<\/li>\n<\/ul>\n<p>Canxi silicat l\u00e0 v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao, nh\u01b0 l\u00f2 nung, n\u1ed3i h\u01a1i v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p kh\u00e1c. V\u1eadt li\u1ec7u n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 gi\u1ea3m m\u1ea5t nhi\u1ec7t.<\/p>\n<h2>C\u00f4ng Th\u1ee9c T\u00ednh Truy\u1ec1n Nhi\u1ec7t<\/h2>\n<p>\u0110\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t, c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh truy\u1ec1n nhi\u1ec7t qua m\u1ed9t l\u1edbp v\u1eadt li\u1ec7u l\u00e0:<\/p>\n<p>Q = \\frac{(T\u2081 &#8211; T\u2082)}{R}<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>Q: Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t (W)<\/li>\n<li>T\u2081: Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t b\u00ean trong (\u00b0C)<\/li>\n<li>T\u2082: Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i (\u00b0C)<\/li>\n<li>R: Kh\u00e1ng nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u (m\u00b2K\/W)<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t ph\u00f9 h\u1ee3p cho \u0111\u01b0\u1eddng \u1ed1ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 s\u1ee3i th\u1ee7y tinh, b\u1ecdt polyurethane, cao su nitrile v\u00e0 canxi silicat \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Khi \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1ch, ch\u00fang kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng: t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3, c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng trong b\u1ea3o v\u1ec7 nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng.<\/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>V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho \u0111\u01b0\u1eddng \u1ed1ng<\/title>\n<meta name=\"description\" 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