{"id":112438,"date":"2021-10-20T11:40:28","date_gmt":"2021-10-20T03:40:28","guid":{"rendered":"https:\/\/www.alpapowder.com\/112438\/"},"modified":"2021-10-20T11:40:28","modified_gmt":"2021-10-20T03:40:28","slug":"lam-the-nao-de-may-nghien-phan-luc-khong-bi-nong-len-trong-qua-trinh-che-bien","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/112438\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c kh\u00f4ng b\u1ecb n\u00f3ng l\u00ean trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn?"},"content":{"rendered":"

M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u bi\u1ebft r\u1eb1ng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng thi\u1ebft b\u1ecb c\u01a1 kh\u00ed, nhi\u1ec7t l\u01b0\u1ee3ng th\u01b0\u1eddng sinh ra do ma s\u00e1t gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn thi\u1ebft b\u1ecb v\u00e0 s\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa nguy\u00ean li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb l\u00e0m cho nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 nguy\u00ean li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m so\u00e1t th\u1eddi gian ch\u1ebf bi\u1ebfn Nhi\u1ec7t \u0111\u1ed9 l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. \u0110\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh nghi\u1ec1n, nhi\u1ec7t \u0111\u1ed9 d\u1ec5 t\u0103ng cao nh\u1ea5t. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i v\u00e0 kh\u00f4ng t\u0103ng? L\u00fac n\u00e0y, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 c\u1ea7n thi\u1ebft. M\u00e1y nghi\u1ec1n tia l\u00e0 s\u1ea3n ph\u1ea9m ti\u00eau bi\u1ec3u trong d\u00f2ng thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn. N\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 \u0111\u1ed9 m\u1ecbn v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd. \u0110\u00f3 c\u0169ng l\u00e0 m\u1ed9t \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 kh\u00f4ng b\u1ecb n\u00f3ng l\u00ean trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

\"\"<\/p>\n

Ngu\u1ed3n \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c h\u1ea1t v\u1eadt ch\u1ea5t trong m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 kh\u00ed n\u00e9n. Khi kh\u00ed \u00e1p su\u1ea5t cao t\u0103ng t\u1ed1c v\u00e0 n\u1edf ra trong v\u00f2i Laval, \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh \u0111\u1ed9ng n\u0103ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed v\u1eadt ch\u1ea5t. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, h\u1ea1t c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf h\u01a1n s\u1ebd nhanh h\u01a1n v\u00e0 h\u1ea1t c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn h\u01a1n s\u1ebd ch\u1eadm h\u01a1n. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a s\u1ef1 ch\u00eanh l\u1ec7ch t\u1ed1c \u0111\u1ed9, c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau s\u1ebd va ch\u1ea1m v\u00e0o nhau, do \u0111\u00f3 l\u00e0m cho k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng nh\u1ea5t; khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n Khi m\u00e1y bay ph\u1ea3n l\u1ef1c t\u1ed1c \u0111\u1ed9 cao l\u00e0 d\u00f2ng ch\u1ea3y r\u1ed1i \u0111i\u1ec3n h\u00ecnh, tr\u1ea1ng th\u00e1i ch\u1ea3y c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u01b0 d\u00f2ng ch\u1ea3y t\u1ea7ng, v\u00e0 c\u00f3 s\u1ef1 tr\u1ed9n \u0111\u1ed9ng l\u01b0\u1ee3ng m\u1ea1nh theo h\u01b0\u1edbng c\u1ee7a k\u00eanh d\u00f2ng ch\u00ednh. D\u01b0\u1edbi s\u1ef1 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a d\u00f2ng h\u1ed7n h\u1ee3p, c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t \u0111\u1ed3ng \u0111\u1ec1u, v\u00e0 Thu \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 tinh t\u1ebf h\u01a1n.<\/p>\n

N\u00f3i chung, lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao gi\u00e3n n\u1edf v\u00e0 ngu\u1ed9i \u0111i, ngay c\u1ea3 khi m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea1o ra do ma s\u00e1t, n\u00f3 s\u1ebd b\u1ecb l\u1ea5y \u0111i b\u1edfi lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111i v\u00e0o li\u00ean t\u1ee5c, do \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 trong tr\u01b0\u1eddng d\u00f2ng ch\u1ea3y th\u1ea5p, \u0111i\u1ec1u n\u00e0y l\u00e0m cho qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p. \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c v\u1eadt li\u1ec7u nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t. Tr\u01b0\u1eddng v\u1eadn t\u1ed1c c\u1ee7a nhi\u1ec5u lo\u1ea1n t\u1ed1c \u0111\u1ed9 cao t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u, do \u0111\u00f3 t\u00e1c \u0111\u1ed9ng c\u1eaft c\u1ee7a d\u00f2ng kh\u00ed l\u00ean c\u00e1c h\u1ea1t c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c h\u1ea1t thu \u0111\u01b0\u1ee3c l\u00e0 h\u1eb9p, v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t c\u0169ng l\u00fd t\u01b0\u1edfng.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn ho\u1eb7c nghi\u1ec1n m\u1ecbn b\u1ed9t talc, cao lanh, barit, than ch\u00ec, wollastonite, zircon v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i kh\u00e1c v\u00e0 c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n kh\u00e1c. \u0110\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 3-45\u03bcm.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn ho\u1eb7c nghi\u1ec1n m\u1ecbn b\u1ed9t talc, cao lanh, barit, than ch\u00ec, wollastonite, zircon v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i kh\u00e1c v\u00e0 c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n kh\u00e1c. \u0110\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 3-45\u03bcm.<\/p>\n","protected":false},"author":6,"featured_media":111783,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-112438","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\/112438","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=112438"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/112438\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111783"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=112438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=112438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=112438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}