{"id":130097,"date":"2023-11-27T11:00:21","date_gmt":"2023-11-27T03:00:21","guid":{"rendered":"https:\/\/www.alpapowder.com\/130097\/"},"modified":"2023-11-27T11:00:21","modified_gmt":"2023-11-27T03:00:21","slug":"mot-so-tac-dong-mai-sieu-min-trong-qua-trinh-cong-nghiep","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130097\/","title":{"rendered":"M\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng m\u00e0i si\u00eau m\u1ecbn trong qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"

\"\"<\/p>\n

Qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i \u0111\u1ec3 chu\u1ea9n b\u1ecb ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t d9, 10 micron. N\u00f3 c\u00f3 th\u1ec3 \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. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn (t\u1ee9c l\u00e0 nghi\u1ec1n si\u00eau m\u1ecbn m\u1ed9t giai \u0111o\u1ea1n) hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p bao g\u1ed3m c\u00e1c lo\u1ea1i sau.<\/p>\n

(l) Qu\u00e1 tr\u00ecnh m\u1ea1ch h\u1edf. N\u00f3i chung, lo\u1ea1i ph\u1eb3ng ho\u1eb7c d\u1ea1ng \u0111\u0129a, lo\u1ea1i \u1ed1ng tu\u1ea7n ho\u00e0n v\u00e0 c\u00e1c lo\u1ea1i m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed kh\u00e1c c\u00f3 ch\u1ee9c n\u0103ng t\u1ef1 ph\u00e2n lo\u1ea1i n\u00ean quy tr\u00ecnh m\u1ea1ch h\u1edf n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ngo\u00e0i ra, qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00e0i si\u00eau m\u1ecbn kh\u00f4ng li\u00ean t\u1ee5c. \u01afu \u0111i\u1ec3m c\u1ee7a d\u00f2ng quy tr\u00ecnh n\u00e0y l\u00e0 quy tr\u00ecnh r\u1ea5t \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng t\u1ef1 ph\u00e2n lo\u1ea1i, do kh\u00f4ng c\u00f3 b\u1ed9 ph\u00e2n lo\u1ea1i trong quy tr\u00ecnh n\u00e0y n\u00ean c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t si\u00eau m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch k\u1ecbp th\u1eddi n\u00ean ph\u1ea1m vi ph\u00e2n b\u1ed5 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng r\u1ea5t r\u1ed9ng. .<\/p>\n

(2) Quy tr\u00ecnh m\u1ea1ch k\u00edn, \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi b\u1ed9 ph\u00e2n lo\u1ea1i v\u00e0 m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ch k\u00edn g\u1ed3m nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 ph\u00e2n lo\u1ea1i m\u1ecbn. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ed9t li\u00ean t\u1ee5c c\u1ee7a m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n khu\u1ea5y, m\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1ed1c \u0111\u1ed9 cao, m\u00e1y nghi\u1ec1n rung, v.v. \u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 c\u00f3 th\u1ec3 t\u00e1ch k\u1ecbp th\u1eddi c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t si\u00eau m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n n\u00ean c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee5 c\u1ee7a b\u1ed9t m\u1ecbn. h\u1ea1t v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n si\u00eau m\u1ecbn.<\/p>\n

(3) Qu\u00e1 tr\u00ecnh m\u1ea1ch h\u1edf v\u1edbi ph\u00e2n lo\u1ea1i tr\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi th\u1ef1c t\u1ebf l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn. V\u1eadt li\u1ec7u h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp l\u00e0m s\u1ea3n ph\u1ea9m b\u1ed9t si\u00eau m\u1ecbn, c\u00f2n v\u1eadt li\u1ec7u h\u1ea1t th\u00f4 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ec3 nghi\u1ec1n. Khi th\u1ee9c \u0103n ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn b\u1ed9t si\u00eau m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n, s\u1eed d\u1ee5ng quy tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3m t\u1ea3i cho m\u00e1y nghi\u1ec1n, gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m b\u1ed9t si\u00eau m\u1ecbn v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p>\n

(4) Quy tr\u00ecnh kh\u00e9p k\u00edn c\u00f3 ph\u00e2n lo\u1ea1i tr\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai qu\u00e1 tr\u00ecnh. Ho\u1ea1t \u0111\u1ed9ng k\u1ebft h\u1ee3p n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 nghi\u1ec1n v\u00e0 gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m m\u00e0 c\u00f2n ki\u1ec3m so\u00e1t s\u1ef1 ph\u00e2n b\u1ed5 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m. Qu\u00e1 tr\u00ecnh n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a cho ch\u1ec9 m\u1ed9t h\u1ecdc sinh, ngh\u0129a l\u00e0 vi\u1ec7c ch\u1ea5m \u0111i\u1ec3m tr\u01b0\u1edbc v\u00e0 ch\u1ea5m \u0111i\u1ec3m ki\u1ec3m tra \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0o c\u00f9ng m\u1ed9t h\u1ecdc sinh.<\/p>\n

(5) Quy tr\u00ecnh m\u1ea1ch h\u1edf c\u00f3 ph\u00e2n lo\u1ea1i cu\u1ed1i c\u00f9ng. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n n\u00e0y l\u00e0 m\u1ed9t ho\u1eb7c nhi\u1ec1u m\u00e1y ph\u00e2n lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sau m\u00e1y nghi\u1ec1n \u0111\u1ec3 thu \u0111\u01b0\u1ee3c hai ho\u1eb7c nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn v\u00e0 ph\u00e2n b\u1ed5 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau.<\/p>\n

(6) V\u1edbi quy tr\u00ecnh m\u1ea1ch h\u1edf ph\u00e2n lo\u1ea1i tr\u01b0\u1edbc v\u00e0 ph\u00e2n lo\u1ea1i cu\u1ed1i c\u00f9ng, quy tr\u00ecnh n\u00e0y th\u1ef1c ch\u1ea5t l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai quy tr\u00ecnh. Ho\u1ea1t \u0111\u1ed9ng k\u1ebft h\u1ee3p n\u00e0y kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 t\u00e1ch tr\u01b0\u1edbc m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m h\u1ea1t m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n m\u00e0 c\u00f2n gi\u1ea3m t\u1ea3i cho m\u00e1y nghi\u1ec1n v\u00e0 thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c hai ho\u1eb7c nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 m\u1ecbn v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau.<\/p>\n

S\u1ed1 l\u01b0\u1ee3ng c\u00f4ng \u0111o\u1ea1n nghi\u1ec1n ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 \u0111\u1ed9 m\u1ecbn s\u1ea3n ph\u1ea9m c\u1ea7n thi\u1ebft. \u0110\u1ed1i v\u1edbi nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u01b0\u01a1ng \u0111\u1ed1i th\u00f4, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng quy tr\u00ecnh nghi\u1ec1n m\u1ecbn ho\u1eb7c nghi\u1ec1n m\u1ecbn sau \u0111\u00f3 nghi\u1ec1n si\u00eau m\u1ecbn. N\u00f3i chung, nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh l\u01b0\u1edbi 200 ho\u1eb7c l\u01b0\u1edbi 325 v\u00e0 sau \u0111\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn; \u0111\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u r\u1ea5t m\u1ecbn v\u00e0 d\u1ec5 k\u1ebft t\u1ee5, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn nhi\u1ec1u giai \u0111o\u1ea1n n\u1ed1i ti\u1ebfp \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh. Tuy nhi\u00ean, n\u00f3i chung, c\u00e0ng nhi\u1ec1u giai \u0111o\u1ea1n nghi\u1ec1n th\u00ec quy tr\u00ecnh c\u00e0ng ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ea7u t\u01b0 k\u1ef9 thu\u1eadt c\u00e0ng l\u1edbn.<\/p>\n

X\u00e9t v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n, quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i: m\u00e0i kh\u00f4 (m\u1ed9t ho\u1eb7c nhi\u1ec1u giai \u0111o\u1ea1n), m\u00e0i \u01b0\u1edbt (m\u1ed9t ho\u1eb7c nhi\u1ec1u giai \u0111o\u1ea1n) v\u00e0 m\u00e0i k\u1ebft h\u1ee3p kh\u00f4-\u01b0\u1edbt. Sau \u0111\u00e2y gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn \u0111i\u1ec3n h\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

Qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i \u0111\u1ec3 chu\u1ea9n b\u1ecb ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t d9, 10 micron.<\/p>\n","protected":false},"author":7,"featured_media":127371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130097","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\/130097"}],"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=130097"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130097\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/127371"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}