{"id":130612,"date":"2024-01-08T13:17:40","date_gmt":"2024-01-08T05:17:40","guid":{"rendered":"https:\/\/www.alpapowder.com\/130612\/"},"modified":"2024-01-08T13:17:41","modified_gmt":"2024-01-08T05:17:41","slug":"may-nghien-khuay-may-nghien-tia-may-nghien-cat-lua-chon-the-nao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130612\/","title":{"rendered":"M\u00e1y nghi\u1ec1n khu\u1ea5y, m\u00e1y nghi\u1ec1n tia, m\u00e1y nghi\u1ec1n c\u00e1t, l\u1ef1a ch\u1ecdn th\u1ebf n\u00e0o?"},"content":{"rendered":"
<\/p>\n
Thi\u1ebft b\u1ecb m\u00e0i si\u00eau m\u1ecbn s\u1eed d\u1ee5ng l\u1ef1c c\u01a1 h\u1ecdc \u0111\u1ec3 nghi\u1ec1n v\u1eadt li\u1ec7u \u0111\u1ebfn m\u1ee9c micron v\u00e0 ph\u00e2n lo\u1ea1i ch\u00fang. Do hi\u1ec7u su\u1ea5t x\u1eed l\u00fd t\u1ed1t n\u00ean n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh s\u01a1n ph\u1ee7 cao c\u1ea5p, th\u1ef1c ph\u1ea9m, y h\u1ecdc, h\u00f3a ch\u1ea5t, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, d\u01b0\u1ee3c li\u1ec7u, khai th\u00e1c m\u1ecf v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a n\u1ec1n kinh t\u1ebf to\u00e0n c\u1ea7u, ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t c\u1ee7a n\u01b0\u1edbc t\u00f4i \u0111ang b\u00f9ng n\u1ed5 v\u00e0 thi\u1ebft b\u1ecb b\u1ed9t, \u0111\u1eb7c bi\u1ec7t l\u00e0 thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c n\u00e0y.<\/p>\n
M\u00e1y tr\u1ed9n<\/p>\n
M\u00e1y nghi\u1ec1n khu\u1ea5y (m\u00e1y nghi\u1ec1n khu\u1ea5y) d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn bao g\u1ed3m m\u1ed9t xi lanh c\u1ed1 \u0111\u1ecbnh ch\u1ee9a \u0111\u1ea7y v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0 m\u1ed9t m\u00e1y khu\u1ea5y quay. Xi lanh c\u1ee7a m\u00e1y xay tr\u1ed9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi \u00e1o l\u00e0m m\u00e1t. Khi nghi\u1ec1n v\u1eadt li\u1ec7u, n\u01b0\u1edbc l\u00e0m m\u00e1t ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n l\u00e0m m\u00e1t kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u00e1o l\u00e0m m\u00e1t \u0111\u1ec3 ki\u1ec3m so\u00e1t s\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh nghi\u1ec1n. Th\u00e0nh trong c\u1ee7a th\u00f9ng nghi\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00f3t b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau t\u00f9y theo y\u00eau c\u1ea7u m\u00e0i kh\u00e1c nhau, ho\u1eb7c c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t m\u1ed9t tr\u1ee5c (thanh) ng\u1eafn c\u1ed1 \u0111\u1ecbnh v\u00e0 ch\u1ebf t\u1ea1o th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c nhau \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 m\u00e0i. M\u00e1y khu\u1ea5y l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t c\u1ee7a m\u00e1y tr\u1ed9n, c\u00f3 c\u00e1c lo\u1ea1i nh\u01b0 lo\u1ea1i tr\u1ee5c-thanh, lo\u1ea1i \u0111\u0129a, lo\u1ea1i \u0111\u0129a \u0111\u1ee5c l\u1ed7, lo\u1ea1i h\u00ecnh tr\u1ee5, lo\u1ea1i v\u00f2ng, lo\u1ea1i xo\u1eafn \u1ed1c, v.v. Trong s\u1ed1 \u0111\u00f3, m\u00e1y nghi\u1ec1n xo\u1eafn \u1ed1c v\u00e0 m\u00e1y khu\u1ea5y que l\u00e0 ch\u1ee7 y\u1ebfu l\u00e0 theo chi\u1ec1u d\u1ecdc, trong khi m\u00e1y nghi\u1ec1n d\u1ea1ng \u0111\u0129a c\u00f3 hai lo\u1ea1i: d\u1ecdc v\u00e0 ngang.<\/p>\n
M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/p>\n
K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a th\u00e0nh ph\u1ea9m c\u1ee7a m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed n\u1eb1m trong kho\u1ea3ng 1 ~ 30\u03bcm v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u ch\u1ebf bi\u1ebfn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd d\u01b0\u1edbi 1mm trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ea5t hi\u1ebfm, c\u00e1c lo\u1ea1i \u0111\u00e1 c\u1ea9m th\u1ea1ch c\u1ee9ng kh\u00e1c nhau, cao lanh, b\u1ed9t talc v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i c\u00f3 \u0111\u1ed9 c\u1ee9ng trung b\u00ecnh kh\u00e1c. x\u1eed l\u00fd si\u00eau m\u1ecbn.<\/p>\n
M\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed ph\u1eb3ng: M\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed ph\u1eb3ng c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed \u0111\u0129a ngang. Khi thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng, lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c \u0111\u1ea9y ra t\u1eeb v\u00f2i v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c cao v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c b\u1edfi v\u00f2i Manchuri sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n t\u1ed1c \u0111\u1ed9 cao, n\u01a1i n\u00f3 b\u1ecb nghi\u1ec1n n\u00e1t do va ch\u1ea1m. , va ch\u1ea1m v\u00e0 ma s\u00e1t. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m, c\u00e1c h\u1ea1t th\u00f4 \u0111\u01b0\u1ee3c n\u00e9m v\u1ec1 ph\u00eda th\u00e0nh bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 nghi\u1ec1n tr\u00f2n, v\u00e0 c\u00e1c h\u1ea1t m\u1ecbn tr\u00e0n theo lu\u1ed3ng kh\u00f4ng kh\u00ed v\u00e0 \u0111\u01b0\u1ee3c thu th\u1eadp. \u01afu \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y l\u00e0 c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n v\u00e0 v\u1eadn h\u00e0nh d\u1ec5 d\u00e0ng.<\/p>\n
M\u00e1y nghi\u1ec1n kh\u00ed t\u1ea7ng s\u00f4i: th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn, nghi\u1ec1n nh\u1ecf v\u00e0 t\u1ea1o h\u00ecnh v\u1eadt li\u1ec7u g\u1ed1m s\u1ee9, nguy\u00ean li\u1ec7u h\u00f3a h\u1ecdc, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, v\u1eadt li\u1ec7u pin, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. Khi thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng, kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c phun v\u00e0o bu\u1ed3ng nghi\u1ec1n v\u1edbi t\u1ed1c \u0111\u1ed9 cao th\u00f4ng qua m\u1ed9t s\u1ed1 v\u00f2i phun. Nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea5p li\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c nh\u1edd lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao trong bu\u1ed3ng nghi\u1ec1n. Ch\u00fang b\u1ecb nghi\u1ec1n n\u00e1t do va ch\u1ea1m v\u00e0 ma s\u00e1t t\u1ea1i giao \u0111i\u1ec3m c\u1ee7a m\u1ed7i v\u00f2i, sau \u0111\u00f3 \u0111i v\u00e0o bu\u1ed3ng ph\u00e2n lo\u1ea1i c\u00f9ng v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u1ec3 ho\u00e0n th\u00e0nh vi\u1ec7c ph\u00e2n lo\u1ea1i. V\u1eadt li\u1ec7u th\u00f4 l\u1eafng tr\u1edf l\u1ea1i khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c nghi\u1ec1n, v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ee7 ti\u00eau chu\u1ea9n tr\u00e0n ra s\u1ebd \u0111\u01b0\u1ee3c thu gom b\u1eb1ng thi\u1ebft b\u1ecb ph\u00e2n t\u00e1ch l\u1ed1c xo\u00e1y.<\/p>\n
M\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed ph\u1ea3n l\u1ef1c: M\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed ph\u1ea3n l\u1ef1c c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed va ch\u1ea1m v\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ng\u01b0\u1ee3c. Khi thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng, hai v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c v\u00e0 lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao g\u1eb7p nhau t\u1ea1i m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng ngang v\u00e0 va ch\u1ea1m \u0111\u1ec3 ho\u00e0n th\u00e0nh qu\u00e1 tr\u00ecnh nghi\u1ec1n. C\u00e1c h\u1ea1t r\u1eafn \u0111i v\u00e0o bu\u1ed3ng ph\u00e2n lo\u1ea1i theo lu\u1ed3ng kh\u00f4ng kh\u00ed d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a r\u00f4to ph\u00e2n lo\u1ea1i, c\u00f2n c\u00e1c h\u1ea1t th\u00f4 v\u1eabn \u1edf m\u00e9p ngo\u00e0i v\u00e0 b\u1ecb nghi\u1ec1n n\u00e1t. Quay tr\u1edf l\u1ea1i bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 nghi\u1ec1n l\u1ea1i, c\u00e1c h\u1ea1t m\u1ecbn \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean v\u00e0 sau khi ch\u1ea3y ra ngo\u00e0i, ch\u00fang tr\u1edf th\u00e0nh s\u1ea3n ph\u1ea9m th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00e1ch kh\u00ed-r\u1eafn.<\/p>\n
Nh\u00e0 m\u00e1y c\u00e1t<\/p>\n
M\u00e1y nghi\u1ec1n c\u00e1t l\u00e0 m\u1ed9t d\u1ea1ng kh\u00e1c c\u1ee7a m\u00e1y khu\u1ea5y ho\u1eb7c m\u00e1y nghi\u1ec1n h\u1ea1t, \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean nh\u01b0 v\u1eady v\u00ec ban \u0111\u1ea7u n\u00f3 s\u1eed d\u1ee5ng c\u00e1t t\u1ef1 nhi\u00ean l\u00e0m v\u1eadt li\u1ec7u nghi\u1ec1n. M\u00e1y nghi\u1ec1n c\u00e1t ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o v\u00f2ng quay t\u1ed1c \u0111\u1ed9 cao gi\u1eefa v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c nghi\u1ec1n. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c lo\u1ea1i m\u1edf v\u00e0 \u0111\u00f3ng, v\u00e0 m\u1ed7i lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c lo\u1ea1i d\u1ecdc v\u00e0 ngang.
\nN\u00f3i chung, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u00e1y nghi\u1ec1n c\u00e1t ngang v\u00e0 m\u00e1y nghi\u1ec1n c\u00e1t \u0111\u1ee9ng l\u00e0 m\u00e1y nghi\u1ec1n c\u00e1t ngang c\u00f3 dung t\u00edch c\u00e1t l\u1edbn h\u01a1n, hi\u1ec7u su\u1ea5t nghi\u1ec1n cao h\u01a1n v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 th\u00e1o r\u1eddi v\u00e0 l\u00e0m s\u1ea1ch. V\u1ec1 \u1ee9ng d\u1ee5ng, m\u00e1y nghi\u1ec1n c\u00e1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ea5t ph\u1ee7, thu\u1ed1c nhu\u1ed9m, s\u01a1n, m\u1ef1c, thu\u1ed1c y t\u1ebf, ch\u1ea5t \u0111\u1ed9n nano, b\u1ed9t t\u1eeb t\u00ednh, ferrite, m\u00e0ng c\u1ea3m quang, thu\u1ed1c tr\u1eeb s\u00e2u, s\u1ea3n xu\u1ea5t gi\u1ea5y, m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c \u0111\u1ec3 nghi\u1ec1n b\u1ed9t nano hi\u1ec7u qu\u1ea3.<\/p>\n
Cho d\u00f9 ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t c\u00f3 ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o, m\u00e0i t\u00e1c \u0111\u1ed9ng si\u00eau m\u1ecbn lu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n ch\u00ednh \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t si\u00eau m\u1ecbn.<\/p>\n","protected":false},"excerpt":{"rendered":"
D\u00f9 ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u1ed9t c\u00f3 ph\u00e1t tri\u1ec3n nh\u01b0 th\u1ebf n\u00e0o th\u00ec nghi\u1ec1n c\u01a1 h\u1ecdc v\u1eabn lu\u00f4n l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n ch\u00ednh \u0111\u1ec3 thu \u0111\u01b0\u1ee3c b\u1ed9t si\u00eau m\u1ecbn.<\/p>\n","protected":false},"author":7,"featured_media":108286,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130612","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\/130612"}],"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=130612"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130612\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/108286"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}