kaolin<\/a> tr\u00ean th\u1ebf gi\u1edbi r\u1ea5t phong ph\u00fa v\u00e0 ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i. Hi\u1ec7n th\u1ebf gi\u1edbi \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u00e0i nguy\u00ean cao lanh kho\u1ea3ng 20,9 t\u1ef7 t\u1ea5n. Tr\u00ean th\u1ebf gi\u1edbi, ch\u00e2u M\u1ef9 l\u00e0 khu v\u1ef1c s\u1ea3n xu\u1ea5t cao lanh ch\u00ednh, s\u1ea3n l\u01b0\u1ee3ng cao lanh chi\u1ebfm kho\u1ea3ng 35% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng th\u1ebf gi\u1edbi; S\u1ea3n l\u01b0\u1ee3ng cao lanh c\u1ee7a ch\u00e2u \u00c2u t\u1eeb l\u00e2u \u0111\u00e3 \u0111\u1ee9ng th\u1ee9 hai tr\u00ean th\u1ebf gi\u1edbi, chi\u1ebfm kho\u1ea3ng 30% t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a th\u1ebf gi\u1edbi.<\/p>\nCao lanh \u0111\u01b0\u1ee3c chia th\u00e0nh cao lanh c\u1ee9ng, cao lanh nh\u1eb9 v\u00e0 cao lanh c\u00e1t.<\/p>\n
Cao lanh c\u1ee9ng:<\/strong> c\u1ee9ng (\u0111\u1ed9 c\u1ee9ng Mohs 3 ~ 4), kh\u00f4ng d\u1ebbo, ch\u1ec9 d\u1ebbo sau khi \u0111\u1eadp v\u00e0 nghi\u1ec1n m\u1ecbn. Lo\u1ea1i cao lanh n\u00e0y c\u00f3 m\u00e0u x\u00e1m \u0111en, n\u00e2u, … do ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t.<\/p>\nCao lanh nh\u1eb9:<\/strong> m\u1ec1m, d\u1ebbo n\u00f3i chung, h\u00e0m l\u01b0\u1ee3ng c\u00e1t <50%.<\/p>\nCao lanh c\u00e1t:<\/strong> m\u1ec1m, d\u1ebbo chung, d\u1ebbo m\u1ea1nh sau khi t\u00e1ch c\u00e1t, h\u00e0m l\u01b0\u1ee3ng c\u00e1t \u226550%.<\/p>\nCao lanh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9, c\u00f4ng nghi\u1ec7p gi\u1ea5y, c\u00f4ng nghi\u1ec7p cao su, c\u00f4ng nghi\u1ec7p men, c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, v.v.<\/p>\n
C\u00f4ng nghi\u1ec7p g\u1ed1m s\u1ee9:<\/strong> ch\u1ee7 y\u1ebfu l\u00e0m g\u1ed1m s\u1ee9 d\u00f9ng h\u00e0ng ng\u00e0y, g\u1ed1m s\u1ee9 ki\u1ebfn \u200b\u200btr\u00fac, g\u1ed1m s\u1ee9 v\u1ec7 sinh, g\u1ed1m s\u1ee9 \u0111\u1eb7c bi\u1ec7t v\u00e0 g\u1ed1m th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7.<\/p>\nC\u00f4ng nghi\u1ec7p gi\u1ea5y:<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t ph\u1ee7 cho s\u1ea3n xu\u1ea5t gi\u1ea5y.<\/p>\nC\u00f4ng nghi\u1ec7p cao su:<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 ch\u1ea5t l\u00e0m \u0111\u1ea7y v\u00e0 gia c\u1ed1 cho c\u00e1c s\u1ea3n ph\u1ea9m cao su.<\/p>\nC\u00f4ng nghi\u1ec7p tr\u00e1ng men:<\/strong> Cao lanh v\u1edbi \u0111\u1ed9 tr\u1eafng cao, k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn v\u00e0 hi\u1ec7u su\u1ea5t huy\u1ec1n ph\u00f9 t\u1ed1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp ph\u1ee7 th\u1ee7y tinh silicat cho c\u00e1c s\u1ea3n ph\u1ea9m men.<\/p>\nC\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda:<\/strong> v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda \u0111a clinker, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda b\u00e1n axit, v.v.<\/p>\nB\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/strong> s\u1ea3n xu\u1ea5t nh\u00f4m polyme, x\u1eed l\u00fd n\u01b0\u1edbc sinh ho\u1ea1t c\u00f4ng nghi\u1ec7p, s\u1ea3n xu\u1ea5t ph\u00e8n nh\u00f4m, nh\u00f4m clorua v\u00e0 c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc kh\u00e1c.<\/p>\n\u0110\u1ed9 tr\u1eafng c\u1ee7a cao lanh l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 ti\u00eau quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh gi\u00e1 tr\u1ecb \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. T\u1ea1p ch\u1ea5t nhu\u1ed9m trong cao lanh ch\u1ee7 y\u1ebfu l\u00e0 s\u1eaft, kho\u00e1ng titan v\u00e0 ch\u1ea5t h\u1eefu c\u01a1. S\u1eaft v\u00e0 titan ch\u1ee7 y\u1ebfu t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng hematit, goethit, pyrit, siderit v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00e1c, v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a ch\u00fang trong cao lanh c\u0169ng r\u1ea5t ph\u1ee9c t\u1ea1p, v\u00e0 h\u1ea7u h\u1ebft c\u00e1c tinh th\u1ec3 \u0111\u1ec1u c\u00f3 l\u1eabn c\u00e1c h\u1ea1t m\u1ecbn. V\u00ec c\u00e1c kho\u00e1ng ch\u1ea5t ch\u1ee9a s\u1eaft s\u1ebd tr\u1edf th\u00e0nh Fe2<\/sub>O3<\/sub>\u00a0khi nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nguy\u00ean li\u1ec7u s\u1ebd chuy\u1ec3n sang m\u00e0u v\u00e0ng ho\u1eb7c \u0111\u1ecf g\u1ea1ch. V\u00ec v\u1eady, ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eed s\u1eaft tr\u01b0\u1edbc ho\u1eb7c trong khi nung \u0111\u1ec3 t\u0103ng \u0111\u1ed9 tr\u1eafng c\u1ee7a s\u1ea3n ph\u1ea9m l\u00ean 92% ho\u1eb7c cao h\u01a1n.<\/p>\n\u0110\u01b0\u1eddng cong v\u1ec1 \u0111\u1ed9 tr\u1eafng c\u1ee7a cao lanh thay \u0111\u1ed5i theo nhi\u1ec7t \u0111\u1ed9 nung<\/figcaption><\/figure>\nQu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn cao lanh<\/h4>\n Trong ch\u1ebf bi\u1ebfn s\u00e2u cao lanh, ngo\u00e0i \u0111\u1ed9 tr\u1eafng, \u0111\u1ed9 tinh khi\u1ebft v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau kh\u00e1c, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a gi\u1ea5y tr\u00e1ng, gi\u1ea5y tr\u00e1ng, b\u00eca c\u1ee9ng, c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i s\u01a1n v\u00e0 ch\u1ea5t ph\u1ee7 cao c\u1ea5p, c\u00e1c s\u1ea3n ph\u1ea9m h\u1ed9p nh\u1ef1a cao su, v.v. , k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u0111\u1ed9 m\u1ecbn c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m cao lanh l\u00e0 r\u1ea5t quan tr\u1ecdng. Ch\u1ec9 s\u1ed1. Hi\u1ec7n t\u1ea1i, c\u00f4ng ngh\u1ec7 si\u00eau m\u1ecbn v\u1edbi nhi\u1ec1u s\u1ea3n ph\u1ea9m cao c\u1ea5p “k\u00e9p 90” v\u1ec1 c\u01a1 b\u1ea3n \u0111\u00e3 tr\u1edf n\u00ean thu\u1ea7n th\u1ee5c, v\u00e0 c\u00e1c quy tr\u00ecnh c\u1ee7a n\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt.<\/p>\n
\nQuy tr\u00ecnh nghi\u1ec1n kh\u00f4<\/strong><\/li>\n<\/ul>\nNghi\u1ec1n kh\u00f4 h\u1ea7u h\u1ebft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn cao lanh c\u1ee9ng ho\u1eb7c cao lanh, \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ch\u1ebf bi\u1ebfn tr\u1ef1c ti\u1ebfp cao lanh th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Hi\u1ec7n t\u1ea1i, \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng s\u1ea3n xu\u1ea5t kh\u00f4 n\u00f3i chung l\u00e0 D90\u226410\u03bcm, ngh\u0129a l\u00e0, s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng l\u00e0 kho\u1ea3ng 1250 mesh.<\/p>\n
Thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn kh\u00f4 h\u1ea7u h\u1ebft l\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1ed1c \u0111\u1ed9 cao, m\u00e1y nghi\u1ec1n rung, v.v.<\/p>\n
\u0110\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m cao lanh cao c\u1ea5p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn hai giai \u0111o\u1ea1n. Giai \u0111o\u1ea1n \u0111\u1ea7u s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n va \u0111\u1eadp, giai \u0111o\u1ea1n hai s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, c\u1ed9ng v\u1edbi thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc t\u1eeb -2\u03bcm chi\u1ebfm 80% \u0111\u1ebfn 90%. . \u0110\u1ec3 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u00e0m l\u01b0\u1ee3ng h\u1ea1t l\u1edbn nh\u1ea5t, th\u01b0\u1eddng ph\u1ea3i c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i m\u1ecbn.<\/p>\n
\nQuy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn \u01b0\u1edbt<\/strong><\/li>\n<\/ul>\nPh\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n si\u00eau m\u1ecbn ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m cao lanh c\u1ea5p s\u01a1n c\u00f3 D90\u22642\u03bcm trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn \u01b0\u1edbt.<\/p>\n
Tr\u01b0\u1edbc khi nghi\u1ec1n si\u00eau m\u1ecbn \u01b0\u1edbt, cao lanh \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t b\u1eb1ng m\u00e1y nghi\u1ec1n, \u0111\u1ed3ng th\u1eddi, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tinh ch\u1ebf, l\u00e0m tr\u1eafng v\u00e0 ph\u00e2n lo\u1ea1i trong quy tr\u00ecnh, v\u00e0 sau \u0111\u00f3 nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00e1ch v\u1ecf v\u00e0 m\u00e1y khu\u1ea5y. c\u1ed1i xay. \u0110\u1ec3 t\u1ea1o ra k\u00edch th\u01b0\u1edbc h\u1ea1t s\u1ea3n ph\u1ea9m D90\u22642\u03bcm, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e1y b\u00f3c t\u00e1ch nhi\u1ec1u giai \u0111o\u1ea1n v\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn.<\/p>\n
Cao lanh c\u00f3 c\u00e1c tinh th\u1ec3 bong tr\u00f3c, v\u00e0 cao lanh si\u00eau m\u1ea3nh c\u00f3 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n. V\u00ec v\u1eady, qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn \u01b0\u1edbt c\u1ee7a cao lanh c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u00f3c t\u00e1ch, c\u00f3 ngh\u0129a l\u00e0 cao lanh d\u00e0y h\u01a1n \u0111\u01b0\u1ee3c b\u00f3c ra th\u00e0nh c\u00e1c m\u1ea3nh m\u1ecfng h\u01a1n, trong khi v\u1eabn gi\u1eef nguy\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh tinh th\u1ec3 ban \u0111\u1ea7u c\u1ee7a n\u00f3. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch v\u1ecf bao g\u1ed3m nghi\u1ec1n \u01b0\u1edbt, \u00e9p v\u00e0 ng\u00e2m h\u00f3a ch\u1ea5t.<\/p>\nCao lanh v\u1edbi c\u1ea5u tr\u00fac tinh th\u1ec3 bong tr\u00f3c<\/figcaption><\/figure>\nS\u01a1 \u0111\u1ed3 c\u1ee7a cao lanh d\u1ea1ng phi\u1ebfn \u0111\u01b0\u1ee3c nghi\u1ec1n v\u00e0 b\u00f3c t\u00e1ch th\u00e0nh cao lanh d\u1ea1ng m\u1ea3nh<\/figcaption><\/figure>\n <\/p>\n
Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"
Th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t ch\u00ednh c\u1ee7a cao lanh l\u00e0 90% cao lanh + 10% \u0111\u00e1 \u1ea3o gi\u00e1c, th\u1ea1ch anh, \u0111\u00e1 s\u1ee9a, … th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “\u0111\u1ea5t s\u00e9t s\u00e0nh”. T\u00e0i nguy\u00ean kaolin tr\u00ean th\u1ebf gi\u1edbi r\u1ea5t phong ph\u00fa v\u00e0 ph\u00e2n b\u1ed1 r\u1ed9ng r\u00e3i.<\/p>\n","protected":false},"author":6,"featured_media":113947,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[1270,1271],"class_list":["post-113986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-mai-cao-lanh-sieu-min","tag-ung-dung-cao-lanh"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113986","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=113986"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113986\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/113947"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}