{"id":7436085,"date":"2022-09-13T00:54:00","date_gmt":"2022-09-13T00:54:00","guid":{"rendered":"https:\/\/yp.vn\/?p=7436085"},"modified":"2022-09-14T14:54:59","modified_gmt":"2022-09-14T07:54:59","slug":"nang-cao-chuc-nang-cach-nhiet-cua-vat-lieu-cach-nhiet-bang-bang-khoa-nham","status":"publish","type":"post","link":"https:\/\/yp.com.vn\/nang-cao-chuc-nang-cach-nhiet-cua-vat-lieu-cach-nhiet-bang-bang-khoa-nham\/","title":{"rendered":"N\u00e2ng cao ch\u1ee9c n\u0103ng c\u00e1ch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t b\u1eb1ng B\u0103ng kh\u00f3a nh\u00e1m"},"content":{"rendered":"\n

Trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1eefa ch\u00e1y, d\u1ea7u kh\u00ed v\u00e0 gia c\u00f4ng kim lo\u1ea1i, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t.\u00a0H\u1ecd c\u1ea7n bi\u1ebft r\u1eb1ng thi\u1ebft b\u1ecb m\u00e0 h\u1ecd \u0111ang m\u1eb7c ho\u1eb7c l\u1edbp c\u00e1ch nhi\u1ec7t m\u00e0 h\u1ecd \u0111ang l\u1eafp \u0111\u1eb7t tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thi\u1ebft b\u1ecb s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p v\u00e0 cung c\u1ea5p hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u00e0 h\u1ecd ph\u1ee5 thu\u1ed9c v\u00e0o.\u00a0<\/p>\n\n\n\n

Trong c\u00e1c c\u01a1 s\u1edf n\u01a1i nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ng\u1ecdn l\u1eeda l\u00e0 th\u1ef1c t\u1ebf h\u00e0ng ng\u00e0y, c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a B\u0103ng kh\u00f3a nh\u00e1m<\/a><\/strong> c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1eafc l\u1ef1c v\u00e0\u00a0bao g\u1ed3m c\u00e1c gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 800 \u00b0 F (426,6 \u00b0 C).<\/p>\n\n\n\n

Gi\u1ea3m nh\u00e2n c\u00f4ng v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t c\u00e1ch nhi\u1ec7t nhi\u1ec7t \u0111\u1ed9 cao<\/strong><\/h2>\n\n\n\n
\"C\u00e1ch<\/figure>\n\n\n\n

C\u00e1c c\u01a1 s\u1edf nh\u01b0 nh\u00e0 m\u00e1y \u0111i\u1ec7n, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t, gia c\u00f4ng kim lo\u1ea1i v\u00e0 d\u1ea7u kh\u00ed y\u00eau c\u1ea7u \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn h\u01a1i n\u01b0\u1edbc, h\u00f3a ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i kh\u00e1c. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 giao th\u00f4ng v\u1eadn t\u1ea3i c\u1ea7n ph\u1ea3i b\u1ea3o v\u1ec7 m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 \u0111\u1ed9ng c\u01a1. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1eafp \u0111\u1eb7t v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0y.<\/p>\n\n\n\n

\u0110\u1ec3 b\u1ea3o \u0111\u1ea3m l\u1edbp c\u00e1ch nhi\u1ec7t v\u00e0 l\u1edbp l\u00f3t,\u00a0c\u00e1c mi\u1ebfng ch\u1ed1t v\u00e0 b\u0103ng Th\u01b0\u01a1ng hi\u1ec7u B\u0103ng kh\u00f3a nh\u00e1m<\/a><\/strong> d\u1ec5 d\u00e0ng ch\u1ed1t v\u00e0 n\u1eafn ch\u1ec9nh l\u1ea1i. \u0110i\u1ec1u n\u00e0y th\u00edch h\u1ee3p h\u01a1n \u0111\u1ed1i v\u1edbi ph\u1ea7n c\u1ee9ng \u0111\u00f2i h\u1ecfi c\u00e1c l\u1ed7 khoan kh\u00f3 x\u1ebfp h\u00e0ng v\u00e0 d\u1ec5 b\u1ecb r\u00f2 r\u1ec9, r\u1ec9 s\u00e9t ho\u1eb7c \u0103n m\u00f2n.<\/p>\n\n\n\n

B\u0103ng kh\u00f3a nh\u00e1m<\/a><\/strong> ch\u1ecbu nhi\u1ec7t cao c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 l\u00e0m h\u1ecfng v\u1eadt li\u1ec7u v\u00e0 gi\u1ea3m thi\u1ec3u th\u1eddi gian thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1eaft ti\u1ec1n nh\u01b0 \u0111\u01b0\u1eddng \u1ed1ng.\u00a0\u0110\u00e2y l\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 v\u00f2ng \u0111\u1eddi th\u1ea5p, d\u00e0nh cho \u0111i\u1ec1u ki\u1ec7n ngo\u00e0i tr\u1eddi v\u00e0 trong nh\u00e0 do kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 \u00edt nh\u1ea5t 800 \u00b0 F (426,6 \u00b0 C).<\/p>\n\n\n\n

Ch\u1ed1t linh ho\u1ea1t \u0111\u1ec3 c\u00e1ch nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao b\u1ea3o v\u1ec7 ng\u01b0\u1eddi lao \u0111\u1ed9ng<\/strong><\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Khi \u0111\u1ebfn gi\u1edd l\u00e0m vi\u1ec7c, nh\u00e2n vi\u00ean c\u1ee9u h\u1ecfa, th\u1ee3 h\u00e0n v\u00e0 c\u00f4ng nh\u00e2n nh\u00e0 m\u00e1y c\u1ea7n ph\u1ea3i m\u1eb7c nh\u1eefng b\u1ed9 qu\u1ea7n \u00e1o v\u00e0 ph\u1ee5 ki\u1ec7n s\u1ebd b\u1ea3o v\u1ec7 v\u00e0 th\u1ef1c hi\u1ec7n trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nguy hi\u1ec3m. Ngo\u00e0i ra, ng\u01b0\u1eddi s\u1eed d\u1ee5ng lao \u0111\u1ed9ng c\u1ea7n thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n c\u1ee7a nh\u00e2n vi\u00ean t\u1eeb C\u01a1 quan Qu\u1ea3n l\u00fd An to\u00e0n v\u00e0 S\u1ee9c kh\u1ecfe Ngh\u1ec1 nghi\u1ec7p, Hi\u1ec7p h\u1ed9i Ph\u00f2ng ch\u00e1y Ch\u1eefa ch\u00e1y Qu\u1ed1c gia v\u00e0 Quy \u0111\u1ecbnh H\u00e0ng kh\u00f4ng Li\u00ean bang.<\/p>\n\n\n\n

B\u0103ng kh\u00f3a nh\u00e1m ch\u1ecbu nhi\u1ec7t<\/a><\/strong> l\u00e0 m\u1ed9t lo\u1ea1i v\u1ea3i d\u1ec7t c\u00f3 th\u1ec3 may \u0111\u01b0\u1ee3c, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 350 \u00b0 F (176,6 \u00b0 C) v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi\u00a0NFPA 2112<\/a>\u00a0v\u00e0\u00a0FAR 25,853<\/a>\u00a0.\u00a0T\u00ednh linh ho\u1ea1t v\u00e0 v\u00f2ng \u0111\u1eddi trung b\u00ecnh \u0111\u1ecbnh v\u1ecb d\u00e2y bu\u1ed9c n\u00e0y nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p d\u1ec5 s\u1eed d\u1ee5ng, c\u0169ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 nhu c\u1ea7u v\u1ec1 l\u1eeda, h\u00e0n v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u nguy hi\u1ec3m.<\/p>\n\n\n\n

Ngo\u00e0i ra, m\u00f3c 88, 89, 87S v\u00e0 c\u00e1c v\u00f2ng 1000, 1100 v\u00e0 9000 c\u00f3 s\u1eb5n trong c\u00e1c phi\u00ean b\u1ea3n ch\u1ed1ng ch\u00e1y.<\/p>\n\n\n\n

Qu\u1ea3n l\u00fd c\u00e1p ch\u1ed1ng ch\u00e1y trong kh\u00f4ng gian Plenum<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u0110\u1ec3 cung c\u1ea5p ngu\u1ed3n v\u00e0 d\u1eef li\u1ec7u cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i, c\u00e1c \u0111\u01b0\u1eddng d\u1eabn c\u00e1p th\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong kh\u00f4ng gian r\u1ed9ng r\u00e3i, n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng x\u1ea3y ra h\u1ecfa ho\u1ea1n.\u00a0B\u0103ng\u00a0ch\u1ed1ng ch\u00e1y nh\u00e3n hi\u1ec7u\u00a0B\u0103ng kh\u00f3a nh\u00e1m\u00a0\u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng UL v\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong kh\u00f4ng gian x\u1eed l\u00fd kh\u00f4ng kh\u00ed theo\u00a0M\u1ee5c 300.22 (C) v\u00e0 (D) c\u1ee7a B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia.\u00a0Tr\u00e1i ng\u01b0\u1ee3c v\u1edbi d\u00e2y bu\u1ed9c b\u1eb1ng nh\u1ef1a, B\u0103ng gai d\u00ednh<\/a><\/strong> co gi\u00e3n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3m th\u1eddi gian c\u0169ng nh\u01b0 nh\u00e2n c\u00f4ng nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00f3ng g\u00f3i m\u00e0 kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n\n\n\n

L\u1ecbch s\u1eed c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, c\u00f3 ngu\u1ed3n g\u1ed1c \u0111\u1ecba ph\u01b0\u01a1ng, nhanh ch\u00f3ng<\/strong><\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Ph\u1ea1m vi \u0111\u00f3ng c\u1eeda nhi\u1ec7t \u0111\u1ed9 cao Th\u01b0\u01a1ng hi\u1ec7u B\u0103ng kh\u00f3a nh\u00e1m\u00a0c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m c\u00e1c v\u1eadt li\u1ec7u ph\u1ee5c v\u1ee5 h\u1ea7u h\u1ebft m\u1ecdi nhu c\u1ea7u v\u1ec1 d\u00e2y bu\u1ed9c c\u00f4ng nghi\u1ec7p.\u00a0Ch\u1ed1t Th\u01b0\u01a1ng hi\u1ec7u B\u0103ng gai d\u00ednh\u00a0\u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n khi NASA c\u1ea7n v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao cho ch\u01b0\u01a1ng tr\u00ecnh Apollo v\u00e0o nh\u1eefng n\u0103m 1960.<\/p>\n\n\n\n

V\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t t\u1ea1i Hoa K\u1ef3, Nam M\u1ef9, Ch\u00e2u \u00c2u v\u00e0 Ch\u00e2u \u00c1, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a chu\u1ed7i cung \u1ee9ng c\u1ee7a b\u1ea1n v\u1edbi th\u1eddi gian d\u1eabn h\u00e0ng ng\u1eafn h\u01a1n v\u00e0 h\u00e0ng h\u00f3a c\u00f3 ngu\u1ed3n g\u1ed1c \u0111\u1ecba ph\u01b0\u01a1ng.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1eefa ch\u00e1y, d\u1ea7u kh\u00ed v\u00e0 gia c\u00f4ng kim lo\u1ea1i, ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t.\u00a0H\u1ecd c\u1ea7n bi\u1ebft r\u1eb1ng thi\u1ebft b\u1ecb m\u00e0 h\u1ecd \u0111ang m\u1eb7c ho\u1eb7c l\u1edbp c\u00e1ch nhi\u1ec7t m\u00e0 h\u1ecd \u0111ang l\u1eafp \u0111\u1eb7t tr\u00ean \u0111\u01b0\u1eddng… Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":8,"featured_media":7436086,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2513],"tags":[],"class_list":["post-7436085","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bang-gai-dinh"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/7436085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/comments?post=7436085"}],"version-history":[{"count":0,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/posts\/7436085\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media\/7436086"}],"wp:attachment":[{"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/media?parent=7436085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/categories?post=7436085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.com.vn\/KmOMlj66m\/wp\/v2\/tags?post=7436085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}