{"id":16395,"date":"2026-04-17T09:02:13","date_gmt":"2026-04-17T09:02:13","guid":{"rendered":"https:\/\/www.quartz-grinding.com\/?p=16395"},"modified":"2026-04-17T09:02:17","modified_gmt":"2026-04-17T09:02:17","slug":"precision-quartz-grinding-how-a-jet-mill-and-air-classifier-deliver-d97-from-3-to-45-microns","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/vi\/precision-quartz-grinding-how-a-jet-mill-and-air-classifier-deliver-d97-from-3-to-45-microns\/","title":{"rendered":"Nghi\u1ec1n th\u1ea1ch anh ch\u00ednh x\u00e1c: C\u00e1ch m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n v\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed t\u1ea1o ra D97 v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 3 \u0111\u1ebfn 45 micron"},"content":{"rendered":"

Th\u1ea1ch anh l\u00e0 m\u1ed9t trong nh\u1eefng kho\u00e1ng ch\u1ea5t c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn r\u1ed9ng r\u00e3i nh\u1ea5t, tuy nhi\u00ean \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3 (Mohs<\/a> 7) \u0110\u1ed9 nh\u00e1m v\u00e0 \u0111\u1ed9 m\u00e0i m\u00f2n khi\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n m\u1ecbn tr\u1edf th\u00e0nh m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt th\u1ef1c s\u1ef1. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t, m\u00e0 l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u1eb7t ch\u1ebd, c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i m\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m kim lo\u1ea1i.<\/p>\n\n\n\n

T\u1ea1i EPIC Powder, ch\u00fang t\u00f4i \u0111\u00e3 thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u n\u00e0y. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p m\u00e1y nghi\u1ec1n kh\u00ed t\u1ea7ng s\u00f4i v\u1edbi m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ch\u00fang t\u00f4i lu\u00f4n s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1t th\u1ea1ch anh m\u1ecbn t\u1eeb... D97 3 \u00b5m \u0111\u1ebfn 45 \u00b5m<\/strong>, v\u1edbi m\u1ed9t v\u1ebft c\u1eaft s\u1eafc n\u00e9t \u1edf D97 10 \u00b5m<\/strong> \u0111\u1ed1i v\u1edbi ph\u1ea7n h\u1ea1t m\u1ecbn v\u00e0 D50 18 \u00b5m<\/strong> \u0110\u1ed1i v\u1edbi ph\u1ea7n th\u00f4. T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi l\u01b0u l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh. 800 kg\/gi\u1edd<\/strong>\u0110i\u1ec1u n\u00e0y gi\u00fap d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ph\u00f9 h\u1ee3p cho c\u1ea3 s\u1ea3n xu\u1ea5t chuy\u00ean bi\u1ec7t v\u00e0 s\u1ea3n xu\u1ea5t quy m\u00f4 c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

V\u00ec sao m\u00e1y nghi\u1ec1n tia n\u01b0\u1edbc l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn cho \u0111\u00e1 th\u1ea1ch anh?<\/mark><\/h2>\n\n\n\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e1y nghi\u1ec1n bi ho\u1eb7c m\u00e1y nghi\u1ec1n b\u00faa, m\u1ed9t m\u00e1y nghi\u1ec1n phun t\u1ea7ng s\u00f4i<\/a> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u m\u00e0i chuy\u1ec3n \u0111\u1ed9ng. Kh\u00ed n\u00e9n l\u00e0m t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t th\u1ea1ch anh l\u00ean t\u1ed1c \u0111\u1ed9 cao, khi\u1ebfn ch\u00fang va ch\u1ea1m v\u1edbi nhau. Nguy\u00ean l\u00fd t\u1ef1 m\u00e0i n\u00e0y mang l\u1ea1i hai l\u1ee3i \u00edch ch\u00ednh cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u1ea1ch anh.<\/p>\n\n\n\n

\u0110\u1ea7u ti\u00ean, c\u00f3 kh\u00f4ng c\u00f3 s\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa kim lo\u1ea1i v\u00e0 h\u1ea1t<\/strong>Do \u0111\u00f3, nguy c\u01a1 nhi\u1ec5m b\u1ea9n s\u1eaft h\u1ea7u nh\u01b0 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf. \u0110\u1ed1i v\u1edbi silica nung ch\u1ea3y c\u1ea5p \u0111i\u1ec7n t\u1eed ho\u1eb7c ch\u1ea5t \u0111\u1ed9n bao b\u00ec b\u00e1n d\u1eabn, vi\u1ec7c gi\u1eef h\u00e0m l\u01b0\u1ee3ng Fe\u2082O\u2083 d\u01b0\u1edbi 30 ppm l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft, v\u00e0 m\u00e1y nghi\u1ec1n tia gi\u00fap \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n\n\n\n

Th\u1ee9 hai, qu\u00e1 tr\u00ecnh nghi\u1ec1n di\u1ec5n ra v\u00f4 c\u00f9ng \u0111\u1ed3ng \u0111\u1ec1u. Th\u1eddi gian l\u01b0u tr\u00fa c\u1ee7a c\u00e1c h\u1ea1t trong bu\u1ed3ng nghi\u1ec1n ng\u1eafn, v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng nghi\u1ec1n qu\u00e1 m\u1ee9c \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a. K\u1ebft qu\u1ea3 l\u00e0, s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1ef1 nhi\u00ean d\u1ed1c h\u01a1n so v\u1edbi m\u00e1y nghi\u1ec1n bi. V\u1edbi m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n EPIC, b\u1ea1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean ph\u1ea1m vi \u0111\u1ed9 m\u1ecbn r\u1ed9ng t\u1eeb... D97 3 \u00b5m<\/strong> (r\u1ea5t t\u1ed1t) l\u00ean \u0111\u1ebfn D97 45 \u00b5m<\/strong> (\u1edf \u0111\u1ea7u th\u00f4 h\u01a1n), ch\u1ec9 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t nghi\u1ec1n v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u00e2n lo\u1ea1i.<\/p>\n\n\n\n

\"m\u00e1y
<\/figcaption><\/figure>\n\n\n\n

Vai tr\u00f2 quan tr\u1ecdng c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed<\/mark><\/h2>\n\n\n\n

M\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n \u0111\u01a1n thu\u1ea7n c\u00f3 th\u1ec3 nghi\u1ec1n th\u1ea1ch anh, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 b\u1ed9 ph\u00e2n lo\u1ea1i hi\u1ec7u qu\u1ea3, b\u1ea1n kh\u00f4ng th\u1ec3 t\u00e1ch ph\u1ea7n h\u1ea1t m\u1ecbn mong mu\u1ed1n kh\u1ecfi c\u00e1c h\u1ea1t th\u00f4. \u0110\u00e2y l\u00e0 l\u00fac b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00ed t\u00edch h\u1ee3p tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n

Trong h\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i, ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed<\/a> M\u00e1y nghi\u1ec1n ho\u1ea1t \u0111\u1ed9ng theo m\u1ed9t v\u00f2ng kh\u00e9p k\u00edn v\u1edbi m\u00e1y nghi\u1ec1n tia. Sau khi nghi\u1ec1n, v\u1eadt li\u1ec7u \u0111i v\u00e0o b\u1ed9 ph\u00e2n lo\u1ea1i, n\u01a1i c\u00e1c b\u00e1nh xe quay t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra tr\u01b0\u1eddng l\u1ef1c ly t\u00e2m. C\u00e1c h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c h\u00fat v\u1ec1 ph\u00eda trung t\u00e2m v\u00e0 thu gom l\u00e0m s\u1ea3n ph\u1ea9m, trong khi c\u00e1c h\u1ea1t th\u00f4 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 x\u1eed l\u00fd ti\u1ebfp.<\/p>\n\n\n\n

C\u1ea5u h\u00ecnh n\u00e0y cho ph\u00e9p ch\u00fang ta \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t k\u1ebft qu\u1ea3 r\u1ea5t t\u1ed1t. s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng<\/strong> t\u1ea1i \u0111i\u1ec3m c\u1eaft m\u1ee5c ti\u00eau. \u0110\u1ed1i v\u1edbi m\u1ed9t \u1ee9ng d\u1ee5ng th\u1ea1ch anh \u0111i\u1ec3n h\u00ecnh, ch\u00fang t\u00f4i thi\u1ebft l\u1eadp b\u1ed9 ph\u00e2n lo\u1ea1i \u0111\u1ec3 t\u1ea1o ra:<\/p>\n\n\n\n

Lu\u1ed3ng s\u1ea3n ph\u1ea9m<\/th>\u0110\u1ed9 m\u1ecbn m\u1ee5c ti\u00eau<\/th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead>
Ph\u1ea7n m\u1ecbn<\/td>D97 \u2264 10 \u00b5m<\/td>L\u1edbp ph\u1ee7 EMC, ch\u1ea5t \u0111\u1ed9n b\u00e1n d\u1eabn<\/td><\/tr>
Ph\u1ea7n th\u00f4<\/td>D50 \u2248 18 \u00b5m<\/td>T\u1ea5m PCB nhi\u1ec1u l\u1edbp, ch\u1ea5t \u0111\u1ed9n c\u00f3 \u0111\u1ed9 ch\u1ea3y cao, v\u1eadt li\u1ec7u \u0111\u00fac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u1ea3 hai lo\u1ea1i s\u1ea3n ph\u1ea9m \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ed3ng th\u1eddi t\u1eeb c\u00f9ng m\u1ed9t nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o, gi\u00fap nh\u00e0 s\u1ea3n xu\u1ea5t thu \u0111\u01b0\u1ee3c hai s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 b\u00e1n \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t duy nh\u1ea5t.<\/p>\n\n\n\n

T\u1ed5ng quan v\u1ec1 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh<\/mark><\/h2>\n\n\n\n

B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hi\u1ec7u su\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c khi nghi\u1ec1n th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao (k\u00edch th\u01b0\u1edbc h\u1ea1t < 100 mesh, SiO\u2082 \u2265 99,5%) tr\u00ean h\u1ec7 th\u1ed1ng m\u00e1y nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i EPIC ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 800 kg\/h.<\/p>\n\n\n\n

Tham s\u1ed1<\/th>Gi\u00e1 tr\u1ecb \u0111\u1ea1t \u0111\u01b0\u1ee3c<\/th><\/tr><\/thead>
Ph\u1ea1m vi \u0111\u1ed9 m\u1ecbn nghi\u1ec1n (ch\u1ec9 ri\u00eang m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n)<\/td>D97 3 \u2013 45 \u00b5m<\/td><\/tr>
Ph\u1ea7n m\u1ecbn sau khi ph\u00e2n lo\u1ea1i<\/td>D97 \u2264 10 \u00b5m<\/td><\/tr>
Ph\u1ea7n th\u00f4 sau khi ph\u00e2n lo\u1ea1i<\/td>D50 \u2248 18 \u00b5m<\/td><\/tr>
Th\u00f4ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c \u1ed5n \u0111\u1ecbnh<\/td>800 kg\/gi\u1edd<\/td><\/tr>
H\u00e0m l\u01b0\u1ee3ng s\u1eaft \u0111i\u1ec3n h\u00ecnh (Fe\u2082O\u2083)<\/td>< 30 ppm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Nh\u1eefng gi\u00e1 tr\u1ecb n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a l\u00fd thuy\u1ebft; ch\u00fang th\u01b0\u1eddng xuy\u00ean \u0111\u1ea1t \u0111\u01b0\u1ee3c trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t c\u1ee7a kh\u00e1ch h\u00e0ng tr\u00ean kh\u1eafp ch\u00e2u \u00c2u v\u00e0 ch\u00e2u \u00c1.<\/p>\n\n\n\n

L\u1ee3i \u00edch thi\u1ebft th\u1ef1c cho b\u1ed9 x\u1eed l\u00fd th\u1ea1ch anh<\/mark><\/h2>\n\n\n\n

Khi v\u1eadn h\u00e0nh d\u00e2y chuy\u1ec1n nghi\u1ec1n phun v\u00e0 ph\u00e2n lo\u1ea1i kh\u00ed \u1edf c\u00f4ng su\u1ea5t 800 kg\/gi\u1edd, nh\u1eefng l\u1ee3i th\u1ebf v\u1ec1 kinh t\u1ebf v\u00e0 k\u1ef9 thu\u1eadt s\u1ebd nhanh ch\u00f3ng \u0111\u01b0\u1ee3c t\u00edch l\u0169y.<\/p>\n\n\n\n

B\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 linh ho\u1ea1t trong \u1ee9ng d\u1ee5ng.<\/strong> C\u00f9ng m\u1ed9t d\u00e2y chuy\u1ec1n c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t D97 10 \u00b5m cho th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eed hi\u1ec7n nay, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t D97 25 \u00b5m cho ch\u1ea5t \u0111\u1ed9n s\u01a1n trong t\u01b0\u01a1ng lai. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n ph\u1ee5c v\u1ee5 nhi\u1ec1u ph\u00e2n kh\u00fac kh\u00e1ch h\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c m\u00e1y m\u00f3c ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n

B\u1ea1n b\u1ea3o v\u1ec7 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m.<\/strong> Do h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf kh\u00f4ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u m\u00e0i b\u1eb1ng kim lo\u1ea1i v\u00e0 c\u00f3 b\u00e1nh xe ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng m\u00e0i m\u00f2n, b\u1ed9t th\u1ea1ch anh th\u00e0nh ph\u1ea9m h\u1ea7u nh\u01b0 kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ea9n kim lo\u1ea1i. \u0110\u00e2y l\u00e0 y\u00eau c\u1ea7u kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n t\u1eed v\u00e0 quang h\u1ecdc cao c\u1ea5p.<\/p>\n\n\n\n

B\u1ea1n gi\u1ea3m \u0111\u01b0\u1ee3c chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o tr\u00ec.<\/strong> M\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n kh\u00f4ng c\u1ea7n thay th\u1ebf v\u1eadt li\u1ec7u nghi\u1ec1n, kh\u00f4ng c\u1ea7n th\u00f4ng t\u1eafc l\u01b0\u1edbi l\u1ecdc v\u00e0 kh\u00f4ng c\u1ea7n m\u00e0i l\u1ea1i b\u00faa. C\u00e1c b\u1ed9 ph\u1eadn hao m\u00f2n ch\u00ednh l\u00e0 b\u00e1nh xe ph\u00e2n lo\u1ea1i v\u00e0 v\u00f2ng v\u00f2i phun, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 tu\u1ed5i th\u1ecd cao v\u00e0 d\u1ec5 d\u00e0ng thay th\u1ebf. So v\u1edbi m\u00e1y nghi\u1ec1n bi t\u1ea1o ra c\u00f9ng \u0111\u1ed9 m\u1ecbn, d\u00e2y chuy\u1ec1n m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n th\u01b0\u1eddng ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n t\u1eeb 20\u2013301 t\u1ea5n\/t\u1ea5n.<\/p>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a b\u1ed9t th\u1ea1ch anh \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t.<\/mark><\/h2>\n\n\n\n

Hai d\u00f2ng s\u1ea3n ph\u1ea9m t\u1eeb h\u1ec7 th\u1ed1ng n\u00e0y ph\u1ee5c v\u1ee5 c\u00e1c th\u1ecb tr\u01b0\u1eddng kh\u00e1c nhau nh\u01b0ng c\u00f3 gi\u00e1 tr\u1ecb ngang nhau.<\/p>\n\n\n\n

C\u00e1c ph\u1ea7n h\u1ea1t m\u1ecbn (D97 \u2264 10 \u00b5m)<\/strong> Lo\u1ea1i b\u1ed9t th\u1ea1ch anh m\u1ecbn n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy (EMC) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec b\u00e1n d\u1eabn, c\u0169ng nh\u01b0 cho c\u00e1c v\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y hi\u1ec7u su\u1ea5t cao v\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ee7 quang h\u1ecdc. Trong c\u00e1c vai tr\u00f2 n\u00e0y, b\u1ed9t th\u1ea1ch anh m\u1ecbn \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng, ph\u1ea3i d\u1ec5 ch\u1ea3y v\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1c linh ki\u1ec7n m\u1ecfng manh.<\/p>\n\n\n\n

C\u00e1c ph\u1ea7n th\u00f4 (D50 \u2248 18 \u00b5m)<\/strong> V\u1eadt li\u1ec7u n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c t\u1ea5m nhi\u1ec1u l\u1edbp m\u1ea1ch in (PCB), trong \u0111\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n m\u1ed9t ch\u00fat gi\u00fap c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a t\u1ea5m. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u00fac g\u1ed1m s\u1ee9 v\u00e0 trong c\u00e1c ch\u1ea5t \u0111\u1ed9n c\u00f3 \u0111\u1ed9 ch\u1ea3y cao cho ch\u1ea5t k\u1ebft d\u00ednh c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n c\u1ea7n s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 nh\u00e1m cao h\u01a1n, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 t\u1ea1o ra c\u00e1c gi\u00e1 tr\u1ecb D97 l\u00ean \u0111\u1ebfn 45 \u00b5m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n, ch\u1ea5t ph\u1ee7 v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/mark><\/h2>\n\n\n\n

C\u00e2u 1: M\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 nghi\u1ec1n th\u1ea1ch anh \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn D97 d\u01b0\u1edbi 5 micron kh\u00f4ng?<\/mark><\/strong><\/p>\n\n\n\n

V\u00e2ng. M\u00e1y nghi\u1ec1n phun t\u1ea7ng s\u00f4i EPIC c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111\u1ebfn... D97 th\u1ea5p t\u1edbi 3 \u00b5m<\/strong> Khi x\u1eed l\u00fd th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, ch\u00fang t\u00f4i t\u0103ng \u00e1p su\u1ea5t nghi\u1ec1n l\u00ean 8-9 bar v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 b\u00e1nh xe ph\u00e2n lo\u1ea1i. Tuy nhi\u00ean, ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb thi\u1ebft l\u1eadp ph\u00e2n lo\u1ea1i hai giai \u0111o\u1ea1n cho c\u00e1c gi\u00e1 tr\u1ecb D97 d\u01b0\u1edbi 5 \u00b5m, v\u00ec \u0111i\u1ec1u n\u00e0y duy tr\u00ec s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t s\u1eafc n\u00e9t h\u01a1n v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng t\u1ed5n th\u1ea5t hi\u1ec7u su\u1ea5t li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn m\u1ed9t giai \u0111o\u1ea1n. N\u1ebfu m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n lu\u00f4n d\u01b0\u1edbi 5 \u00b5m, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u1ea5u h\u00ecnh t\u00f9y ch\u1ec9nh.<\/p>\n\n\n\n

C\u00e2u 2: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 nhi\u1ec5m b\u1ea9n s\u1eaft khi m\u00e0i th\u1ea1ch anh?<\/mark><\/strong><\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng c\u1ee7a ch\u00fang t\u00f4i ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m s\u1eaft theo hai c\u00e1ch. Th\u1ee9 nh\u1ea5t, m\u00e1y nghi\u1ec1n tia n\u01b0\u1edbc s\u1eed d\u1ee5ng m\u1ed9t nguy\u00ean l\u00fd t\u1ef1 m\u00e0i<\/strong> \u2013 C\u00e1c h\u1ea1t va ch\u1ea1m v\u1edbi nhau, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u1edbi b\u1ec1 m\u1eb7t kim lo\u1ea1i. Th\u1ee9 hai, t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong ti\u1ebfp x\u00fac v\u1edbi th\u1ea1ch anh, bao g\u1ed3m c\u1ea3 b\u00e1nh xe ph\u00e2n lo\u1ea1i v\u00e0 l\u1edbp l\u00f3t bu\u1ed3ng nghi\u1ec1n, \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u1ed1m ho\u1eb7c \u0111\u01b0\u1ee3c ph\u1ee7 v\u1eadt li\u1ec7u ch\u1ed1ng m\u00e0i m\u00f2n. Do \u0111\u00f3, h\u00e0m l\u01b0\u1ee3ng Fe\u2082O\u2083 \u0111i\u1ec3n h\u00ecnh trong b\u1ed9t th\u00e0nh ph\u1ea9m l\u00e0 d\u01b0\u1edbi 30 ppm<\/strong>\u0110\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ch\u1ea5t \u0111\u1ed9n th\u1ea1ch anh c\u1ea5p \u0111i\u1ec7n t\u1eed v\u00e0 c\u1ea5p b\u00e1n d\u1eabn.<\/p>\n\n\n\n

C\u00e2u 3: T\u00f4i c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t c\u1ea3 b\u1ed9t th\u1ea1ch anh m\u1ecbn v\u00e0 b\u1ed9t th\u1ea1ch anh th\u00f4 t\u1eeb c\u00f9ng m\u1ed9t d\u00e2y chuy\u1ec1n c\u00f9ng m\u1ed9t l\u00fac kh\u00f4ng?<\/mark><\/strong><\/p>\n\n\n\n

Ho\u00e0n to\u00e0n \u0111\u00fang. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed t\u00edch h\u1ee3p. M\u00e1y ph\u00e2n lo\u1ea1i li\u00ean t\u1ee5c t\u00e1ch v\u1eadt li\u1ec7u \u0111\u00e3 nghi\u1ec1n th\u00e0nh hai lu\u1ed3ng: m\u1ed9t lu\u1ed3ng v\u00e0 m\u1ed9t lu\u1ed3ng v\u1eadt li\u1ec7u \u0111\u00e3 nghi\u1ec1n th\u00e0nh hai lu\u1ed3ng kh\u00e1c nhau. ph\u1ea7n m\u1ecbn<\/strong> (D97 \u2264 10 \u00b5m) \u0111\u01b0\u1ee3c thu th\u1eadp l\u00e0m s\u1ea3n ph\u1ea9m ch\u00ednh c\u1ee7a b\u1ea1n, v\u00e0 m\u1ed9t ph\u1ea7n th\u00f4<\/strong> (D50 \u2248 18 \u00b5m) \u0111\u01b0\u1ee3c thu gom ri\u00eang bi\u1ec7t nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5. V\u1edbi c\u00f4ng su\u1ea5t 800 kg\/gi\u1edd, s\u1ea3n l\u01b0\u1ee3ng \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 l\u00e0 65% b\u1ed9t m\u1ecbn v\u00e0 30% b\u1ed9t th\u00f4, ch\u1ec9 c\u00f3 kho\u1ea3ng 5% \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i cho b\u1ea1n hai ngu\u1ed3n doanh thu t\u1eeb m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t duy nh\u1ea5t, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 l\u1ee3i nhu\u1eadn t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/mark><\/h2>\n\n\n\n

Vi\u1ec7c nghi\u1ec1n th\u1ea1ch anh \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ch\u1ea5p nh\u1eadn s\u1ef1 nhi\u1ec5m b\u1ea9n ho\u1eb7c n\u0103ng su\u1ea5t th\u1ea5p. V\u1edbi m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00ed \u0111\u1ed9 ch\u00ednh x\u00e1c cao, EPIC Powder mang \u0111\u1ebfn gi\u1ea3i ph\u00e1p k\u1ebft h\u1ee3p \u0111\u1ed9 tinh khi\u1ebft, t\u00ednh linh ho\u1ea1t v\u00e0 s\u1ea3n l\u01b0\u1ee3ng quy m\u00f4 c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

\n