{"id":126991,"date":"2023-04-26T10:42:48","date_gmt":"2023-04-26T02:42:48","guid":{"rendered":"https:\/\/www.alpapowder.com\/126991\/"},"modified":"2023-04-26T10:42:49","modified_gmt":"2023-04-26T02:42:49","slug":"cong-nghe-che-bien-va-yeu-cau-cua-cat-thach-anh-tam","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/126991\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn v\u00e0 y\u00eau c\u1ea7u c\u1ee7a c\u00e1t th\u1ea1ch anh t\u1ea5m"},"content":{"rendered":"

\"\"<\/p>\n

\u0110\u00e1 th\u1ea1ch anh nh\u00e2n t\u1ea1o l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u00e1 nh\u00e2n t\u1ea1o, d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t lo\u1ea1i \u0111\u00e1 nh\u00e2n t\u1ea1o \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a (UPR) l\u00e0m ch\u1ea5t k\u1ebft d\u00ednh, c\u00e1t th\u1ea1ch anh v\u00e0 c\u00e1c h\u1ea1t th\u1ee7y tinh l\u00e0m c\u1ed1t li\u1ec7u ch\u00ednh v\u00e0 b\u1ed9t th\u1ea1ch anh l\u00e0m ch\u1ea5t \u0111\u1ed9n ch\u00ednh. . \u0110\u00e1 th\u1ea1ch anh th\u1eeba h\u01b0\u1edfng nh\u1eefng \u01b0u \u0111i\u1ec3m v\u1ec1 k\u1ebft c\u1ea5u c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n c\u1ee7a \u0111\u00e1 granit t\u1ef1 nhi\u00ean c\u0169ng nh\u01b0 m\u00e0u s\u1eafc tinh t\u1ebf v\u00e0 cao c\u1ea5p c\u1ee7a \u0111\u00e1 c\u1ea9m th\u1ea1ch t\u1ef1 nhi\u00ean.<\/p>\n

C\u00e1c c\u1ed1t li\u1ec7u v\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u00ednh trong phi\u1ebfn \u0111\u00e1 th\u1ea1ch anh l\u1ea7n l\u01b0\u1ee3t l\u00e0 c\u00e1t th\u1ea1ch anh v\u00e0 b\u1ed9t th\u1ea1ch anh. Ngo\u1ea1i tr\u1eeb m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m cao c\u1ea5p c\u00f3 \u0111\u1ed9 tr\u1eafng cao v\u00e0 \u0111\u1ed9 trong su\u1ed1t cao, y\u00eau c\u1ea7u chung t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, ch\u1ee7 y\u1ebfu v\u1ec1 \u0111\u1ed9 tr\u1eafng, \u0111\u1ed9 trong su\u1ed1t, t\u1ea1p ch\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t. .<\/p>\n

1. Y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 s\u1ed1 v\u00e0 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd c\u1ed1t li\u1ec7u c\u00e1t th\u1ea1ch anh<\/p>\n

C\u00e1t th\u1ea1ch anh \u0111\u00f3ng vai tr\u00f2 c\u1ed1t li\u1ec7u trong c\u00e1c t\u1ea5m \u0111\u00e1 th\u1ea1ch anh v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 t\u1ed5ng h\u1ee3p kh\u00e1c bao g\u1ed3m th\u1ee7y tinh, kim lo\u1ea1i, nh\u00f4m ho\u1eb7c c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00e1c (nh\u01b0 \u0111\u00e1 granit).<\/p>\n

Theo \u0111\u1ed9 trong su\u1ed1t c\u1ee7a c\u00e1t th\u1ea1ch anh, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1t trong su\u1ed1t, c\u00e1t b\u00e1n th\u1ea5m v\u00e0 c\u00e1t th\u00f4ng th\u01b0\u1eddng. Tr\u00ean m\u1ed9t s\u1ed1 t\u1ea5m cao c\u1ea5p, \u0111\u1ec3 theo \u0111u\u1ed5i l\u1edbp hoa v\u0103n v\u00e0 k\u1ebft c\u1ea5u ba chi\u1ec1u v\u00e0 m\u00f4 ph\u1ecfng c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t hoa v\u0103n v\u00e0 k\u1ebft c\u1ea5u cao c\u1ea5p c\u1ee7a \u0111\u00e1 t\u1ef1 nhi\u00ean, c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 th\u1ea5m cao. \u0110\u1ed9 th\u1ea9m th\u1ea5u c\u1ee7a c\u00e1t th\u1ea1ch anh c\u00e0ng cao, c\u00e0ng \u00edt t\u1ea1p ch\u1ea5t, \u0111\u1ed9 tinh khi\u1ebft c\u00e0ng cao v\u00e0 gi\u00e1 c\u00e0ng cao.<\/p>\n

\u0110\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m ch\u1ea5t l\u01b0\u1ee3ng cao, c\u1ea7n s\u1eed d\u1ee5ng c\u00e1t th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. \u0110\u1ea7u ti\u00ean, ph\u1ea3i ch\u1ecdn m\u1ed9t ngu\u1ed3n kho\u00e1ng s\u1ea3n t\u1ed1t, sau \u0111\u00f3 qu\u1eb7ng th\u1ea1ch anh ph\u1ea3i \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch, ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u00e1nh b\u00f3ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c lo\u1ea1i \u0111\u00e1 v\u1ee5n, sau \u0111\u00f3 nghi\u1ec1n ho\u1eb7c nghi\u1ec1n bi v\u00e0 s\u00e0ng \u0111\u1ec3 thu \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh. S\u1ed1 l\u01b0\u1ee3ng vi\u00ean ho\u1eb7c b\u1ed9t. Qu\u1eb7ng th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng c\u1ef1c cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1 v\u1ee1 tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n t\u1ea9y \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1t m\u1ecbn; tuy nhi\u00ean, ng\u00e0y c\u00e0ng c\u00f3 \u00edt ngu\u1ed3n qu\u1eb7ng ch\u1ea5t l\u01b0\u1ee3ng cao thu\u1ed9c lo\u1ea1i n\u00e0y v\u00e0 h\u1ea7u h\u1ebft qu\u1eb7ng th\u1ea1ch anh \u0111\u1ec1u c\u1ea7n t\u1ea9y trong qu\u00e1 tr\u00ecnh t\u1ea1o c\u00e1t \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1t t\u1ea5m ch\u1ea5t l\u01b0\u1ee3ng cao: \u0111\u1ed1i v\u1edbi \u0111\u00e1 l\u1edbn Ti\u1ebfn h\u00e0nh t\u1ea9y, sau \u0111\u00f3 nghi\u1ec1n th\u00e0nh c\u00e1t, v\u1edbi \u00edt d\u01b0 l\u01b0\u1ee3ng axit, \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ea5m sau n\u00e0y; sau khi ng\u00e2m c\u00e1t b\u1ecb v\u1ee1 th\u00e0nh c\u00e1c h\u1ea1t m\u1ecbn, axit d\u01b0 ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, n\u1ebfu kh\u00f4ng b\u1ec1 m\u1eb7t t\u1ea5m \u0111\u00e1 th\u1ea1ch anh s\u1ebd c\u00f3 v\u1ea5n \u0111\u1ec1 \u1ed1 v\u00e0ng \u1edf giai \u0111o\u1ea1n sau.<\/p>\n

2. Y\u00eau c\u1ea7u v\u1ec1 ch\u1ec9 s\u1ed1 v\u00e0 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd ch\u1ea5t \u0111\u1ed9n b\u1ed9t th\u1ea1ch anh<\/p>\n

B\u1ed9t th\u1ea1ch anh \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed9t th\u1ea1ch anh th\u00f4ng th\u01b0\u1eddng v\u00e0 b\u1ed9t th\u1ea1ch anh bi\u1ebfn t\u00ednh (ngh\u0129a l\u00e0 b\u1ed9t th\u1ea1ch anh \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t). B\u1ed9t th\u1ea1ch anh bi\u1ebfn t\u00ednh c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u1ef1a v\u00e0 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng nh\u1ef1a.<\/p>\n

Ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t th\u1ea1ch anh ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t li\u00ean k\u1ebft silan. C\u00f3 ba ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t ch\u00ednh: s\u1eeda \u0111\u1ed5i kh\u00f4, s\u1eeda \u0111\u1ed5i \u01b0\u1edbt v\u00e0 s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc: s\u1eeda \u0111\u1ed5i kh\u00f4 l\u00e0 th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t pha lo\u00e3ng v\u00e0 Ch\u1ea5t x\u1eed l\u00fd l\u00e0m t\u1eeb silan \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ed9t th\u1ea1ch anh \u1edf d\u1ea1ng phun d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao. – t\u1ed1c \u0111\u1ed9 khu\u1ea5y, ph\u00e2n t\u00e1n v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c th\u1ea3i ra sau khi khu\u1ea5y trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

S\u1eeda \u0111\u1ed5i \u01b0\u1edbt l\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u00e3 chu\u1ea9n b\u1ecb v\u00e0 ch\u1ea5t ph\u1ee5 tr\u1ee3 \u0111\u1ec3 tr\u1ed9n v\u00e0 chu\u1ea9n b\u1ecb ch\u1ea5t l\u1ecfng x\u1eed l\u00fd, \u0111\u1ec3 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t c\u00e1t th\u1ea1ch anh d\u01b0\u1edbi s\u1ef1 ph\u00e2n t\u00e1n khu\u1ea5y v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 kh\u1eed n\u01b0\u1edbc v\u00e0 s\u1ea5y kh\u00f4.<\/p>\n

Nghi\u1ec1n c\u01a1 h\u1ecdc v\u00e0 s\u1eeda \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c b\u1ed5 sung c\u00e1c ch\u1ea5t s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh l\u1ef1c c\u01a1 h\u1ecdc ho\u1eb7c m\u00e0i m\u1ecbn v\u00e0 m\u00e0i si\u00eau m\u1ecbn, v\u00e0 vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t c\u00e1t th\u1ea1ch anh gi\u1ea3m.<\/p>\n

C\u00f4ng ngh\u1ec7 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ed9t th\u1ea1ch anh \u0111ang b\u1ecb t\u1ee5t h\u1eadu nghi\u00eam tr\u1ecdng so v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00e1 th\u1ea1ch anh. M\u1ed9t h\u1ecd h\u00e0ng g\u1ea7n c\u1ee7a \u0111\u00e1 th\u1ea1ch anh\u2014\u0111\u00e1 granit nh\u00e2n t\u1ea1o d\u1ea1ng nh\u1ef1a, ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong n\u00f3\u2014b\u1ed9t canxi, c\u00f4ng ngh\u1ec7 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t hi\u1ec7n t\u1ea1i \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ti\u1ebfn b\u1ed9 v\u01b0\u1ee3t b\u1eadc v\u00e0 t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 d\u1ea7u c\u00f3 th\u1ec3 d\u01b0\u1edbi 17%. Ng\u01b0\u1ee3c l\u1ea1i, b\u1ed9t th\u1ea1ch anh, sau khi s\u1eeda \u0111\u1ed5i, t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 d\u1ea7u c\u1ee7a b\u1ed9t th\u1ea1ch anh dao \u0111\u1ed9ng trong kho\u1ea3ng 20% trong m\u1ed9t th\u1eddi gian d\u00e0i, d\u1eabn \u0111\u1ebfn ti\u00eau th\u1ee5 nh\u1ef1a cao v\u00e0 gi\u00e1 th\u00e0nh t\u1ea5m \u0111\u00e1 th\u1ea1ch anh cao, \u0111\u1ed3ng th\u1eddi \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a th\u00e0nh ph\u1ea9m \u0111\u00e1 th\u1ea1ch anh – h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf, \u0111\u1ed9 c\u1ee9ng, v.v.<\/p>\n

\u0110\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t th\u1ea1ch anh c\u00e0ng cao th\u00ec gi\u00e1 c\u00e0ng cao, t\u1ea5m \u0111\u00e1 th\u1ea1ch anh s\u1ea3n xu\u1ea5t ra c\u00f3 \u0111\u1ed9 tr\u1eafng cao, cao c\u1ea5p v\u00e0 gi\u00e1 cao. B\u1ed9t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 trong su\u1ed1t c\u00e0ng cao th\u00ec gi\u00e1 c\u00e0ng cao. C\u00e1c t\u1ea5m th\u1ea1ch anh \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t c\u00f3 k\u1ebft c\u1ea5u t\u1ed1t v\u00e0 hi\u1ec7u \u1ee9ng ba chi\u1ec1u m\u1ea1nh m\u1ebd, c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng t\u1ed1t h\u01a1n k\u1ebft c\u1ea5u c\u1ee7a \u0111\u00e1 t\u1ef1 nhi\u00ean.<\/p>\n

C\u00e1c s\u1ed1 l\u01b0\u1edbi b\u1ed9t th\u1ea1ch anh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea5m l\u00e0: 100 ~ 200 l\u01b0\u1edbi, 325 l\u01b0\u1edbi (ho\u1eb7c 400 l\u01b0\u1edbi), 800 l\u01b0\u1edbi, 1250 l\u01b0\u1edbi, v.v.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00e1t th\u1ea1ch anh \u0111\u00f3ng vai tr\u00f2 c\u1ed1t li\u1ec7u trong c\u00e1c t\u1ea5m \u0111\u00e1 th\u1ea1ch anh v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 t\u1ed5ng h\u1ee3p kh\u00e1c bao g\u1ed3m th\u1ee7y tinh, kim lo\u1ea1i, nh\u00f4m ho\u1eb7c c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00e1c.<\/p>\n","protected":false},"author":7,"featured_media":126954,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-126991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/126991","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=126991"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/126991\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/126954"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=126991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=126991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=126991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}