{"id":116108,"date":"2022-05-13T10:27:02","date_gmt":"2022-05-13T02:27:02","guid":{"rendered":"https:\/\/www.alpapowder.com\/116108\/"},"modified":"2022-05-13T10:49:26","modified_gmt":"2022-05-13T02:49:26","slug":"cat-thach-anh-voi-song-tam-xay-moi-cao-cap-tam-silicat-canxi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/116108\/","title":{"rendered":"C\u00e1t th\u1ea1ch anh & v\u00f4i s\u1ed1ng, T\u1ea5m x\u00e2y m\u1edbi cao c\u1ea5p: T\u1ea5m silicat canxi"},"content":{"rendered":"

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V\u00e1n silicat canxi l\u00e0 m\u1ed9t lo\u1ea1i v\u00e1n x\u00e2y d\u1ef1ng v\u00f4 c\u01a1 c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u silic, v\u1eadt li\u1ec7u canxi v\u00e0 s\u1ee3i gia c\u01b0\u1eddng l\u00e0m nguy\u00ean li\u1ec7u ch\u00ednh.<\/p>\n

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N\u00f3 c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m l\u00e0 ng\u0103n ch\u00e1y, c\u00e1ch nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng s\u00e2u m\u1ecdt, ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng \u1ea9m, c\u00e1ch \u00e2m v\u00e0 h\u1ea5p th\u1ee5 \u00e2m thanh, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 \u0111\u1ed9 b\u1ec1n cao, xanh v\u00e0 v\u00f4 h\u1ea1i, v.v. Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ed9ng \u0111\u1ea5t v\u00e0 ch\u1ecbu va \u0111\u1eadp h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i v\u00e1n truy\u1ec1n th\u1ed1ng, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong trang tr\u00ed t\u01b0\u1eddng c\u00e1ch nhi\u1ec7t b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u1ee7a c\u00e1c t\u00f2a nh\u00e0, v\u00e1ch ng\u0103n tr\u1ea7n v\u00e0 cabin, bi\u1ec3n qu\u1ea3ng c\u00e1o v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c, \u0111\u1ed3ng th\u1eddi thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ed9 d\u1ebbo cao, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 lao \u0111\u1ed9ng.<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, v\u1edbi s\u1ef1 th\u00fac \u0111\u1ea9y ng\u00e0y c\u00e0ng nhi\u1ec1u c\u1ee7a c\u00e1c t\u00f2a nh\u00e0 ti\u1ec1n ch\u1ebf tr\u00ean kh\u1eafp c\u1ea3 n\u01b0\u1edbc, nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng v\u1ec1 v\u00e1n silicat canxi \u1edf nhi\u1ec1u n\u01a1i \u0111\u00e3 t\u0103ng l\u00ean. D\u00f9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m t\u1ea5m t\u01b0\u1eddng nh\u1eb9 composite, hay d\u00f9ng tr\u1ef1c ti\u1ebfp \u0111\u1ec3 trang tr\u00ed t\u01b0\u1eddng c\u00e1ch nhi\u1ec7t n\u1ed9i ngo\u1ea1i th\u1ea5t, tr\u1ea7n nh\u00e0, l\u00f3t s\u00e0n, t\u1ea5m canxi silicat \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t \u201cvai tr\u00f2\u201d quan tr\u1ecdng trong x\u00e2y d\u1ef1ng nh\u00e0 ti\u1ec1n ch\u1ebf.<\/p>\n

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C\u00e1t th\u1ea1ch anh l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean li\u1ec7u quan tr\u1ecdng nh\u1ea5t trong c\u00e1c s\u1ea3n ph\u1ea9m silicat canxi, chi\u1ebfm 40% ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u c\u1ee7a v\u00e1n silicat canxi. \u0110\u1ed9 tinh khi\u1ebft c\u1ee7a SiO2<\/a> trong c\u00e1t th\u1ea1ch anh c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c tinh th\u1ec3 mullit toble trong ph\u1ea3n \u1ee9ng th\u1ee7y h\u00f3a. B\u1ed9t th\u1ea1ch anh kh\u00f4ng tham gia ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ed1t li\u1ec7u trong xi m\u0103ng xi m\u0103ng. Tuy nhi\u00ean, n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n \u01b0\u1edbt c\u1ee7a c\u00e1t th\u1ea1ch anh r\u1ea5t l\u1edbn. \u0110\u1ec3 gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n \u01b0\u1edbt c\u00e1t th\u1ea1ch anh v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u ch\u1ea5t th\u1ea3i c\u00f4ng nghi\u1ec7p h\u01a1n, c\u00e1t th\u1ea1ch anh c\u00f3 h\u00e0m l\u01b0\u1ee3ng SiO2<\/a> cao h\u01a1n 90% \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t v\u00e1n silicat canxi, v\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n th\u00edch h\u1ee3p v\u1edbi m\u1ed9t l\u01b0\u1ee3ng tro bay nh\u1ea5t \u0111\u1ecbnh. \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/p>\n

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V\u00e1n silicat canxi c\u00f3 tri\u1ec3n v\u1ecdng th\u1ecb tr\u01b0\u1eddng t\u1ed1t v\u00e0 \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng c\u01a1 h\u1ed9i v\u00e0 th\u00e1ch th\u1ee9c ph\u00e1t tri\u1ec3n r\u1ea5t l\u1edbn: (1) C\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e1n silicat canxi \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t xanh v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t tr\u00ean c\u01a1 s\u1edf b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng; (2) \u0110\u1ec3 l\u00e0m phong ph\u00fa ngu\u1ed3n nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t v\u00e1n silicat canxi, s\u1eed d\u1ee5ng tro bay c\u00f3 h\u00e0m l\u01b0\u1ee3ng canxi th\u1ea5p ho\u1eb7c qu\u1eb7ng th\u1ea1ch anh, c\u00e1c ch\u1ea5t th\u1ea3i c\u00f4ng nghi\u1ec7p kh\u00e1c c\u00f3 h\u00e0m l\u01b0\u1ee3ng silic cao \u0111\u1ec3 thay th\u1ebf to\u00e0n b\u1ed9 ho\u1eb7c m\u1ed9t ph\u1ea7n c\u00e1t th\u1ea1ch anh, do \u0111\u00f3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n t\u00e0i nguy\u00ean. s\u1ef1 s\u1eed d\u1ee5ng; (3) \u0110\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng, c\u00e1c lo\u1ea1i s\u1ea3n ph\u1ea9m v\u00e1n silicat canxi c\u1ea7n \u0111\u01b0\u1ee3c phong ph\u00fa v\u00e0 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n","protected":false},"excerpt":{"rendered":"

V\u00e1n silicat canxi l\u00e0 m\u1ed9t lo\u1ea1i v\u00e1n x\u00e2y d\u1ef1ng v\u00f4 c\u01a1 c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u silic, v\u1eadt li\u1ec7u canxi v\u00e0 s\u1ee3i gia c\u01b0\u1eddng l\u00e0m nguy\u00ean li\u1ec7u ch\u00ednh.<\/p>\n","protected":false},"author":7,"featured_media":116083,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-116108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/116108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=116108"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/116108\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/116083"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=116108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=116108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=116108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}