{"id":114447,"date":"2021-11-25T16:38:39","date_gmt":"2021-11-25T08:38:39","guid":{"rendered":"https:\/\/www.alpapowder.com\/114447\/"},"modified":"2021-11-25T16:38:39","modified_gmt":"2021-11-25T08:38:39","slug":"xay-sieu-min-khoang-phi-kim-loai","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/114447\/","title":{"rendered":"Xay si\u00eau m\u1ecbn kho\u00e1ng phi kim lo\u1ea1i"},"content":{"rendered":"
M\u1ecf phi kim lo\u1ea1i, m\u1ecf kim lo\u1ea1i v\u00e0 m\u1ecf nhi\u00ean li\u1ec7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ba tr\u1ee5 c\u1ed9t c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u. Vi\u1ec7c s\u1eed d\u1ee5ng kho\u00e1ng phi kim lo\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 ch\u1ebf bi\u1ebfn s\u00e2u, bao g\u1ed3m m\u00e0i si\u00eau m\u1ecbn, si\u00eau m\u1ecbn, tinh l\u1ecdc m\u1ecbn v\u00e0 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t, trong \u0111\u00f3 m\u00e0i si\u00eau m\u1ecbn hi\u1ec7u qu\u1ea3 l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o cho c\u00e1c qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn s\u00e2u kh\u00e1c nhau. B\u1ed9t si\u00eau m\u1ecbn l\u00fd t\u01b0\u1edfng ph\u1ea3i c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m: h\u1ea1t c\u00e0ng nh\u1ecf c\u00e0ng t\u1ed1t, kh\u00f4ng k\u1ebft t\u1ee5, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p, h\u1ea1t h\u00ecnh c\u1ea7u c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u0111\u1ed3ng nh\u1ea5t, v.v.<\/p>\n
Do c\u00f3 nhi\u1ec1u lo\u1ea1i kho\u00e1ng phi kim lo\u1ea1i, c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau \u0111\u01b0\u1ee3c \u0111\u1eb7t ra v\u1ec1 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee1 h\u1ea1t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nghi\u1ec1n t\u00f9y theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau c\u1ee7a ch\u00fang. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn ph\u1ea3i th\u00edch \u1ee9ng v\u1edbi nh\u1eefng y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3. N\u00f3i chung, c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi kho\u00e1ng phi kim lo\u1ea1i nh\u01b0 sau:<\/p>\n
Vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m kho\u00e1ng phi kim lo\u1ea1i \u0111\u00f2i h\u1ecfi m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, cao lanh v\u00e0 canxi cacbonat n\u1eb7ng l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t gi\u1ea5y y\u00eau c\u1ea7u \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 -2\u03bcm chi\u1ebfm 90%, \u0111\u1ed9 tr\u1eafng> 90%; ch\u1ea5t \u0111\u1ed9n s\u01a1n cao c\u1ea5p b\u1ed9t cacbonat canxi n\u1eb7ng \u0111\u1ed9 m\u1ecbn 1250 Mesh; zirconium silicate nh\u01b0 m\u1ed9t ch\u1ea5t l\u00e0m m\u1edd g\u1ed1m y\u00eau c\u1ea7u \u0111\u1ed9 m\u1ecbn trung b\u00ecnh t\u1eeb 0,5 ~ 1\u03bcm; wollastonite l\u00e0m ch\u1ea5t \u0111\u1ed9n c\u0169ng y\u00eau c\u1ea7u \u0111\u1ed9 m\u1ecbn c\u1ee7a n\u00f3 ph\u1ea3i nh\u1ecf h\u01a1n 10\u03bcm, v.v.<\/p>\n
Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m kho\u00e1ng phi kim lo\u1ea1i c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 ti\u00eau ch\u00ednh c\u1ee7a n\u00f3, c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p g\u00e2y \u00f4 nhi\u1ec5m trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u1ea3i duy tr\u00ec th\u00e0nh ph\u1ea7n ban \u0111\u1ea7u. N\u1ebfu l\u00e0 kho\u00e1ng ch\u1ea5t m\u00e0u tr\u1eafng th\u00ec c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ed9 tr\u1eafng nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, \u0111\u1ed9 tr\u1eafng c\u1ee7a cao lanh nung v\u00e0 b\u1ed9t talc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t gi\u1ea5y \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i \u226590% v\u00e0 \u0111\u1ed9 tr\u1eafng c\u1ee7a canxi cacbonat n\u1eb7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7, ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t \u0111\u1ed9n s\u01a1n cao c\u1ea5p ph\u1ea3i l\u1edbn h\u01a1n 90%. \u0110\u1ee3i \u0111\u00e3.<\/p>\n
M\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m kho\u00e1ng phi kim lo\u1ea1i c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau. V\u00ed d\u1ee5, wollastonite \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u1ed1 composite, b\u1ed9t si\u00eau m\u1ecbn c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u duy tr\u00ec tr\u1ea1ng th\u00e1i tinh th\u1ec3 h\u00ecnh kim ban \u0111\u1ea7u c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, \u0111\u1ec3 c\u00e1c s\u1ea3n ph\u1ea9m wollastonite tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u gia c\u1ed1 b\u1eb1ng s\u1ee3i ng\u1eafn t\u1ef1 nhi\u00ean v\u00e0 t\u1ef7 l\u1ec7 co c\u1ee7a n\u00f3 b\u1eaft bu\u1ed9c ph\u1ea3i> 8 ~ 10.<\/p>\n
C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t si\u00eau m\u1ecbn chi\u1ebfm 40,3% trong l\u0129nh v\u1ef1c c\u01a1 kh\u00ed, 34,6% trong l\u0129nh v\u1ef1c nhi\u1ec7t, 12,9% trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eeb, 8,9% trong l\u0129nh v\u1ef1c y sinh, 2,4% trong l\u0129nh v\u1ef1c quang h\u1ecdc v\u00e0 0,9% trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n
<\/p>\n
Nghi\u1ec1n kh\u00e1c v\u1edbi vi\u1ec7c ph\u00e1 h\u1ee7y m\u1ed9t v\u1eadt li\u1ec7u \u0111\u01a1n l\u1ebb. N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nh\u00f3m, t\u1ee9c l\u00e0 v\u1eadt li\u1ec7u b\u1ecb nghi\u1ec1n n\u00e1t l\u00e0 m\u1ed9t nh\u00f3m c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau.<\/p>\n
C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf b\u1ed9t si\u00eau m\u1ecbn t\u1eeb nguy\u00ean t\u1eafc \u0111i\u1ec1u ch\u1ebf: m\u1ed9t l\u00e0 t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc; c\u00f2n l\u1ea1i l\u00e0 m\u00e0i v\u1eadt l\u00fd. T\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc l\u00e0 th\u00f4ng qua ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i giai \u0111o\u1ea1n, b\u1ed9t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf t\u1eeb c\u00e1c ion, nguy\u00ean t\u1eed v\u00e0 ph\u00e2n t\u1eed th\u00f4ng qua s\u1ef1 h\u00ecnh th\u00e0nh nh\u00e2n tinh th\u1ec3 v\u00e0 t\u0103ng tr\u01b0\u1edfng tinh th\u1ec3. Do quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u1ee9c t\u1ea1p, gi\u00e1 th\u00e0nh cao, n\u0103ng su\u1ea5t th\u1ea5p n\u00ean vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00f2n h\u1ea1n ch\u1ebf. Nguy\u00ean l\u00fd c\u1ee7a m\u00e0i v\u1eadt l\u00fd l\u00e0 m\u00e0i v\u1eadt li\u1ec7u th\u00f4ng qua t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c c\u01a1 h\u1ecdc. So v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc, nghi\u1ec1n v\u1eadt l\u00fd c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n, quy tr\u00ecnh t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, s\u1ea3n l\u01b0\u1ee3ng l\u1edbn.<\/p>\n
\u01afu \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u01a1 h\u1ecdc: s\u1ea3n l\u01b0\u1ee3ng l\u1edbn, gi\u00e1 th\u00e0nh r\u1ebb, quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n, … v\u00e0 c\u00e1c hi\u1ec7u \u1ee9ng c\u01a1 h\u1ecdc sinh ra trong qu\u00e1 tr\u00ecnh nghi\u1ec1n l\u00e0m t\u0103ng ho\u1ea1t t\u00ednh c\u1ee7a b\u1ed9t; Nh\u01b0\u1ee3c \u0111i\u1ec3m: \u0111\u1ed9 tinh khi\u1ebft, \u0111\u1ed9 m\u1ecbn v\u00e0 h\u00ecnh th\u00e1i c\u1ee7a s\u1ea3n ph\u1ea9m kh\u00f4ng t\u1ed1t b\u1eb1ng b\u1ed9t si\u00eau m\u1ecbn \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc c\u01a1 th\u1ec3. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u00edch h\u1ee3p cho s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ebf bi\u1ebfn s\u00e2u c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb kho\u00e1ng s\u1ea3n.<\/p>\n
Hi\u1ec7n nay, ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf nguy\u00ean li\u1ec7u b\u1ed9t si\u00eau m\u1ecbn l\u00e0 nghi\u1ec1n v\u1eadt l\u00fd. V\u00ec v\u1eady, thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan \u0111\u1ebfn nghi\u1ec1n kh\u00e1c nhau m\u00e0 ch\u1ee7 y\u1ebfu l\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9t si\u00eau m\u1ecbn b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc. Thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc, m\u00e1y nghi\u1ec1n rung, m\u00e1y khu\u1ea5y, m\u00e1y nghi\u1ec1n keo v\u00e0 m\u00e1y nghi\u1ec1n bi.<\/p>\n
Lo\u1ea1i thi\u1ebft b\u1ecb<\/td>\n | K\u00edch th\u01b0\u1edbc cho \u0103n \/ mm<\/td>\n | \u0110\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m d97 \/ \u03bcm<\/td>\n | Nguy\u00ean l\u00fd m\u00e0i<\/td>\n<\/tr>\n |
M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c<\/td>\n | <2<\/td>\n | 3~45<\/td>\n | T\u00e1c \u0111\u1ed9ng, va ch\u1ea1m<\/td>\n<\/tr>\n |
M\u00e0i va \u0111\u1eadp c\u01a1 h\u1ecdc<\/td>\n | <10<\/td>\n | 8~45<\/td>\n | Th\u1ed5i, t\u00e1c \u0111\u1ed9ng, c\u1eaft<\/td>\n<\/tr>\n |
M\u00e1y quay<\/td>\n | <30<\/td>\n | 10~45<\/td>\n | T\u00e1c \u0111\u1ed9ng, va ch\u1ea1m, c\u1eaft, ma s\u00e1t<\/td>\n<\/tr>\n |
M\u00e1y nghi\u1ec1n rung<\/td>\n | <5<\/td>\n | 2~74<\/td>\n | Ma s\u00e1t, va ch\u1ea1m, c\u1eaft<\/td>\n<\/tr>\n |
M\u00e1y khu\u1ea5y<\/td>\n | <1<\/td>\n | 2~45<\/td>\n | Ma s\u00e1t, va ch\u1ea1m, c\u1eaft<\/td>\n<\/tr>\n |
M\u00e1y nghi\u1ec1n bi tr\u1ed1ng<\/td>\n | <5<\/td>\n | 5~74<\/td>\n | Ma s\u00e1t, va ch\u1ea1m<\/td>\n<\/tr>\n |
M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh<\/td>\n | <5<\/td>\n | 5~74<\/td>\n | Ma s\u00e1t, va ch\u1ea1m<\/td>\n<\/tr>\n |
M\u00e1y m\u00e0i v\u00e0 m\u00e1y b\u00f3c v\u1ecf<\/td>\n | <0,2<\/td>\n | 2~20<\/td>\n | Ma s\u00e1t, va ch\u1ea1m, c\u1eaft<\/td>\n<\/tr>\n |
Nh\u00e0 m\u00e1y c\u00e1t<\/td>\n | <0,2<\/td>\n | 1~20<\/td>\n | Ma s\u00e1t, va ch\u1ea1m, c\u1eaft<\/td>\n<\/tr>\n |
M\u00e1y xay c\u00f4ng nghi\u1ec7p<\/td>\n | <30<\/td>\n | 10~45<\/td>\n | B\u00f3p, ma s\u00e1t<\/td>\n<\/tr>\n |
M\u00e1y \u0111\u1ed3ng h\u00f3a \u00e1p su\u1ea5t cao<\/td>\n | <0,03<\/td>\n | 1~10<\/td>\n | Khe h\u1edf, nhi\u1ec5u \u0111\u1ed9ng, c\u1eaft<\/td>\n<\/tr>\n |
M\u00e1y nghi\u1ec1n keo<\/td>\n | <0,2<\/td>\n | 2~20<\/td>\n | Ma s\u00e1t, c\u1eaft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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