{"id":448,"date":"2026-04-24T05:56:19","date_gmt":"2026-04-24T05:56:19","guid":{"rendered":"https:\/\/tractor-stone-crusher.com\/?p=448"},"modified":"2026-04-24T05:56:19","modified_gmt":"2026-04-24T05:56:19","slug":"stone-crusher-applications-in-metallurgy","status":"publish","type":"post","link":"https:\/\/tractor-stone-crusher.com\/vi\/blog\/stone-crusher-applications-in-metallurgy\/","title":{"rendered":"\u1ee8ng d\u1ee5ng m\u00e1y nghi\u1ec1n \u0111\u00e1 trong luy\u1ec7n kim"},"content":{"rendered":"

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Ng\u00e0nh luy\u1ec7n kim v\u00e0 n\u1ea5u ch\u1ea3y<\/div>\n

Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u qu\u1eb7ng, x\u1eed l\u00fd nguy\u00ean li\u1ec7u n\u1ea1p l\u00f2 v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i luy\u1ec7n kim.<\/h2>\n

C\u1ea9m nang k\u1ef9 thu\u1eadt quy tr\u00ecnh d\u00e0nh cho c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y luy\u1ec7n kim, k\u1ef9 s\u01b0 chu\u1ea9n b\u1ecb qu\u1eb7ng v\u00e0 qu\u1ea3n l\u00fd thu mua, \u0111\u00e1nh gi\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p m\u00e1y nghi\u1ec1n \u0111\u00e1 \u0111\u1ec3 chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u th\u00f4, x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc nguy\u00ean li\u1ec7u n\u1ea1p v\u00e0o l\u00f2, ch\u1ebf bi\u1ebfn qu\u1eb7ng h\u1ee3p kim s\u1eaft v\u00e0 t\u1eadn d\u1ee5ng s\u1ea3n ph\u1ea9m ph\u1ee5 trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng luy\u1ec7n th\u00e9p, nh\u00f4m, \u0111\u1ed3ng v\u00e0 kim lo\u1ea1i m\u00e0u tr\u00ean kh\u1eafp n\u01b0\u1edbc \u00dac.<\/p>\n<\/div>\n<\/div>\n

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\"Stone<\/div>\n

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Vai tr\u00f2 then ch\u1ed1t c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n qu\u1eb7ng trong hi\u1ec7u qu\u1ea3 quy tr\u00ecnh luy\u1ec7n kim.<\/h2>\n

C\u00f4ng \u0111o\u1ea1n chu\u1ea9n b\u1ecb qu\u1eb7ng \u2014 vi\u1ec7c nghi\u1ec1n nh\u1ecf \u0111\u00e1 th\u00f4 t\u1eeb m\u1ecf \u0111\u1ebfn k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng ph\u00f9 h\u1ee3p cho qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y ho\u1eb7c x\u1eed l\u00fd th\u1ee7y luy\u1ec7n \u2014 n\u1eb1m \u1edf \u0111\u1ea7u m\u1ed7i quy tr\u00ecnh s\u1ea3n xu\u1ea5t kim lo\u1ea1i v\u00e0 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ecdi giai \u0111o\u1ea1n ti\u1ebfp theo. Vi\u1ec7c nghi\u1ec1n v\u00e0 xay th\u01b0\u1eddng chi\u1ebfm t\u1eeb 30\u2013501 t\u1ea5n\/t\u1ea5n t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 trong m\u1ed9t d\u00e2y chuy\u1ec1n ch\u1ebf bi\u1ebfn qu\u1eb7ng th\u00f4ng th\u01b0\u1eddng, do \u0111\u00f3 vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n ph\u00f9 h\u1ee3p l\u00e0 m\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t trong thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y luy\u1ec7n kim. M\u1ed9t m\u00e1y nghi\u1ec1n \u0111\u00e1 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 nghi\u1ec1n nh\u1ea5t \u0111\u1ecbnh v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng ri\u00eang th\u1ea5p h\u01a1n so v\u1edbi thi\u1ebft k\u1ebf thay th\u1ebf kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 c\u00e2n nh\u1eafc v\u1ec1 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u \u2014 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed s\u1ea3n xu\u1ea5t t\u00edch l\u0169y tr\u00ean m\u1ed7i t\u1ea5n qu\u1eb7ng \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn trong su\u1ed1t v\u00f2ng \u0111\u1eddi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng luy\u1ec7n kim \u1edf \u00dac, vi\u1ec7c xem x\u00e9t th\u00eam y\u1ebfu t\u1ed1 h\u1eadu c\u1ea7n t\u1ea1i c\u00e1c \u0111\u1ecba \u0111i\u1ec3m xa x\u00f4i c\u00e0ng l\u00e0m t\u0103ng th\u00eam t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 tin c\u1eady thi\u1ebft b\u1ecb v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p ph\u1ee5 t\u00f9ng. M\u1ed9t m\u00e1y nghi\u1ec1n b\u1ecb h\u1ecfng t\u1ea1i m\u1ed9t nh\u00e0 m\u00e1y qu\u1eb7ng s\u1eaft \u1edf T\u00e2y \u00dac ho\u1eb7c m\u1ed9t d\u00e2y chuy\u1ec1n tuy\u1ec3n qu\u1eb7ng \u0111\u1ed3ng \u1edf Queensland kh\u00f4ng th\u1ec3 ch\u1edd ba tu\u1ea7n \u0111\u1ec3 c\u00f3 linh ki\u1ec7n thay th\u1ebf t\u1eeb n\u01b0\u1edbc ngo\u00e0i m\u00e0 kh\u00f4ng g\u00e2y ra t\u1ed5n th\u1ea5t s\u1ea3n xu\u1ea5t \u0111\u00e1ng k\u1ec3. Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t c\u1ee7a Watanabe \u2014 v\u1edbi c\u00e1c linh ki\u1ec7n hao m\u00f2n \u0111\u01b0\u1ee3c d\u1ef1 tr\u1eef t\u1ea1i ch\u1ed7 \u1edf Condell Park, NSW \u2014 tr\u1ef1c ti\u1ebfp gi\u1ea3i quy\u1ebft \u0111i\u1ec3m y\u1ebfu n\u00e0y trong chu\u1ed7i cung \u1ee9ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c s\u1ef1 ki\u1ec7n b\u1ea3o tr\u00ec theo k\u1ebf ho\u1ea1ch v\u00e0 ngo\u00e0i k\u1ebf ho\u1ea1ch kh\u00f4ng d\u1eabn \u0111\u1ebfn vi\u1ec7c ng\u1eebng s\u1ea3n xu\u1ea5t k\u00e9o d\u00e0i, l\u00e0m suy y\u1ebfu hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a nh\u00e0 m\u00e1y v\u00e0 c\u00e1c cam k\u1ebft b\u00e1n h\u00e0ng.<\/p>\n

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Nghi\u1ec1n qu\u1eb7ng s\u1eaft: T\u1eeb qu\u1eb7ng th\u00f4 \u0111\u1ebfn nguy\u00ean li\u1ec7u c\u1ea5p cho l\u00f2 cao<\/h2>\n

C\u00e1c y\u00eau c\u1ea7u v\u1ec1 nghi\u1ec1n s\u01a1 c\u1ea5p cho qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn qu\u1eb7ng s\u1eaft<\/h3>\n

Qu\u00e1 tr\u00ecnh nghi\u1ec1n s\u01a1 c\u1ea5p qu\u1eb7ng s\u1eaft ph\u1ea3i gi\u1ea3m k\u00edch th\u01b0\u1edbc nguy\u00ean li\u1ec7u th\u00f4 (c\u00f3 th\u1ec3 \u0111\u1ebfn m\u00e1y nghi\u1ec1n v\u1edbi k\u00edch th\u01b0\u1edbc 800\u20131200mm trong c\u00e1c t\u1ea7ng \u0111\u00e1 hematit \u0111\u1eb7c) xu\u1ed1ng th\u00e0nh s\u1ea3n ph\u1ea9m \u0111\u1ed3ng nh\u1ea5t, ph\u00f9 h\u1ee3p cho vi\u1ec7c v\u1eadn chuy\u1ec3n b\u1eb1ng b\u0103ng t\u1ea3i \u0111\u1ebfn kh\u00e2u ch\u1ebf bi\u1ebfn th\u1ee9 c\u1ea5p. \u0110\u1ed1i v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u1eadn chuy\u1ec3n qu\u1eb7ng tr\u1ef1c ti\u1ebfp (DSO) m\u00e0 qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p di\u1ec5n ra th\u00f4ng qua s\u00e0ng l\u1ecdc v\u00e0 r\u1eeda thay v\u00ec nghi\u1ec1n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7u ra c\u1ee7a m\u00e1y nghi\u1ec1n s\u01a1 c\u1ea5p th\u01b0\u1eddng l\u00e0 0\u2013100mm, v\u1edbi t\u1ef7 l\u1ec7 qu\u1eb7ng m\u1ecbn (d\u01b0\u1edbi 6mm) \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u v\u00ec qu\u1eb7ng s\u1eaft m\u1ecbn kh\u00f3 x\u1eed l\u00fd h\u01a1n, g\u00e2y ra th\u00e1ch th\u1ee9c trong vi\u1ec7c qu\u1ea3n l\u00fd b\u1ee5i v\u00e0 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng gi\u00e1 th\u00e0nh trong c\u00e1c ti\u00eau chu\u1ea9n qu\u1eb7ng thi\u00eau k\u1ebft. C\u00e1c c\u1ea5u h\u00ecnh m\u00e1y nghi\u1ec1n h\u1ea1ng n\u1eb7ng c\u1ee7a Watanabe \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7u ra n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ecf qu\u1eb7ng s\u1eaft quy m\u00f4 trung b\u00ecnh \u2014 nh\u1eefng m\u1ecf c\u00f3 s\u1ea3n l\u01b0\u1ee3ng t\u1eeb 0,5\u20135 tri\u1ec7u t\u1ea5n\/n\u0103m, qu\u00e1 nh\u1ecf \u0111\u1ec3 \u0111\u1ea7u t\u01b0 v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u1ebf bi\u1ebfn kho\u00e1ng s\u1ea3n chuy\u00ean d\u1ee5ng nh\u01b0ng \u0111\u1ee7 l\u1edbn \u0111\u1ec3 c\u1ea7n \u0111\u1ebfn c\u00f4ng su\u1ea5t nghi\u1ec1n s\u01a1 c\u1ea5p m\u1ea1nh m\u1ebd.<\/p>\n

Qu\u1eb7ng magnetit so v\u1edbi qu\u1eb7ng hematit: Nhu c\u1ea7u m\u00e1y nghi\u1ec1n kh\u00e1c nhau<\/h3>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p qu\u1eb7ng s\u1eaft c\u1ee7a \u00dac x\u1eed l\u00fd hai lo\u1ea1i qu\u1eb7ng kh\u00e1c nhau v\u1ec1 c\u01a1 b\u1ea3n, \u0111\u1eb7t ra nh\u1eefng y\u00eau c\u1ea7u kh\u00e1 kh\u00e1c nhau \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb nghi\u1ec1n. Qu\u1eb7ng hematit (Fe\u2082O\u2083) v\u1eadn chuy\u1ec3n tr\u1ef1c ti\u1ebfp, lo\u1ea1i qu\u1eb7ng ch\u1ee7 y\u1ebfu t\u1eeb c\u00e1c m\u1ecf \u1edf Pilbara, t\u01b0\u01a1ng \u0111\u1ed1i m\u1ec1m v\u1edbi \u0111\u1ed9 c\u1ee9ng Mohs 5\u20136 nh\u01b0ng xu\u1ea5t hi\u1ec7n trong c\u00e1c m\u1ecf l\u1edbn, \u0111\u1eb7c ch\u1eafc v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p m\u00e0i m\u00f2n bao g\u1ed3m th\u1ea1ch anh v\u00e0 \u0111\u00e1 phi\u1ebfn. Qu\u1eb7ng magnetit (Fe\u2083O\u2084), c\u1ea7n \u0111\u01b0\u1ee3c nghi\u1ec1n m\u1ecbn \u0111\u1ebfn k\u00edch th\u01b0\u1edbc si\u00eau nh\u1ecf (d\u01b0\u1edbi 45 micron) tr\u01b0\u1edbc khi t\u00e1ch t\u1eeb, \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c kh\u00e1c: b\u1ea3n th\u00e2n qu\u1eb7ng c\u1ee9ng h\u01a1n hematit nh\u01b0ng ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec1n \u0111\u1ebfn k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf, \u0111\u00f2i h\u1ecfi n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o cao v\u00e0 g\u00e2y m\u00e0i m\u00f2n nhanh ch\u00f3ng c\u00e1c b\u1ed9 ph\u1eadn nghi\u1ec1n v\u00e0 m\u00e0i m\u1ecbn. C\u00e1c t\u00f9y ch\u1ecdn h\u1ee3p kim b\u00faa c\u1ee7a Watanabe \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u00e0i m\u00f2n kh\u00e1c nhau n\u00e0y, v\u1edbi c\u1ea5u h\u00ecnh crom-mangan ti\u00eau chu\u1ea9n cho qu\u00e1 tr\u00ecnh nghi\u1ec1n s\u01a1 c\u1ea5p hematit DSO v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn h\u1ee3p kim c\u1ee9ng h\u01a1n, ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng magnetit, n\u01a1i \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ee7a t\u1ea1p ch\u1ea5t silica l\u00e0 c\u01a1 ch\u1ebf m\u00e0i m\u00f2n ch\u1ee7 y\u1ebfu.<\/p>\n

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\"Iron<\/div>\n

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Ch\u1ebf bi\u1ebfn qu\u1eb7ng \u0111\u1ed3ng: Nghi\u1ec1n t\u00e1ch qu\u1eb7ng \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i qu\u1eb7ng sunfua v\u00e0 oxit.<\/h2>\n

Y\u00eau c\u1ea7u nghi\u1ec1n s\u01a1 c\u1ea5p qu\u1eb7ng \u0111\u1ed3ng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 gi\u1eefa hai lo\u1ea1i m\u1ecf qu\u1eb7ng ch\u00ednh \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c \u1edf \u00dac: qu\u1eb7ng \u0111\u1ed3ng sunfua (chalcopyrite, bornite, covellite) \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec3n n\u1ed5i; v\u00e0 qu\u1eb7ng \u0111\u1ed3ng oxit (malachite, azurite, chrysocolla) th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft \u0111\u1ed1ng v\u1edbi chi\u1ebft xu\u1ea5t dung m\u00f4i v\u00e0 \u0111i\u1ec7n ph\u00e2n (SX-EW). Vi\u1ec7c nghi\u1ec1n qu\u1eb7ng sunfua nh\u1eafm \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t P80 t\u1eeb 10\u201315mm cho m\u00e1y nghi\u1ec1n thanh ho\u1eb7c 6\u201310mm cho m\u00e1y nghi\u1ec1n SAG, \u0111\u00f2i h\u1ecfi nhi\u1ec1u giai \u0111o\u1ea1n nghi\u1ec1n \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1eeb qu\u1eb7ng th\u00f4 \u0111\u1ebfn k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng cho m\u00e1y nghi\u1ec1n. Qu\u1eb7ng oxit d\u00f9ng cho ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft \u0111\u1ed1ng \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00f4 h\u01a1n \u2014 th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t P80 t\u1eeb 50\u201375mm \u2014 v\u00ec s\u1ef1 th\u1ea5m dung d\u1ecbch qua \u0111\u1ed1ng qu\u1eb7ng \u0111\u00f2i h\u1ecfi kh\u00f4ng gian r\u1ed7ng \u0111\u1ee7 l\u1edbn, n\u1ebfu nghi\u1ec1n qu\u00e1 m\u1ecbn s\u1ebd l\u00e0m s\u1ee5p \u0111\u1ed5 \u0111\u1ed1ng qu\u1eb7ng.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed3ng quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf, ch\u1ebf bi\u1ebfn 100.000\u20132 tri\u1ec7u t\u1ea5n qu\u1eb7ng m\u1ed7i n\u0103m, m\u00e1y nghi\u1ec1n \u0111\u00e1 g\u1eafn tr\u00ean m\u00e1y k\u00e9o cung c\u1ea5p m\u1ed9t l\u1ef1a ch\u1ecdn nghi\u1ec1n s\u01a1 c\u1ea5p v\u1edbi c\u1ea5u tr\u00fac chi ph\u00ed v\u1ed1n ph\u00f9 h\u1ee3p v\u1edbi quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 t\u00e0i ch\u00ednh c\u1ee7a c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n tr\u01b0\u1edbc khi t\u1ea1o ra doanh thu. M\u1ed9t m\u00e1y Watanabe PSW-3200 duy nh\u1ea5t c\u00f3 th\u1ec3 x\u1eed l\u00fd qu\u1eb7ng \u0111\u1ed3ng v\u1edbi t\u1ed1c \u0111\u1ed9 80\u2013150 t\u1ea5n\/gi\u1edd \u1edf c\u1ea5u h\u00ecnh s\u01a1 c\u1ea5p \u2014 \u0111\u1ee7 \u0111\u1ec3 h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng tuy\u1ec3n qu\u1eb7ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m chi\u1ebft \u0111\u1ed1ng v\u1edbi c\u00f4ng su\u1ea5t 500.000 t\u1ea5n m\u1ed7i n\u0103m theo l\u1ecbch tr\u00ecnh nghi\u1ec1n hai ca, m\u00e0 kh\u00f4ng c\u1ea7n kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u1ed1n 1.440.000\u20138 tri\u1ec7u \u0111\u00f4 la nh\u01b0 \u0111\u1ed1i v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng nghi\u1ec1n s\u01a1 c\u1ea5p h\u00e0m v\u00e0 c\u00f4n c\u1ed1 \u0111\u1ecbnh c\u00f3 c\u00f4ng su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n

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Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u n\u1ea1p l\u00f2 cao: Ph\u00e2n lo\u1ea1i than c\u1ed1c, thi\u00eau k\u1ebft v\u00e0 v\u1eadt li\u1ec7u tr\u1ee3 dung.<\/h2>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u1eadt li\u1ec7u n\u1ea1p l\u00f2 cao<\/h3>\n

Luy\u1ec7n gang b\u1eb1ng l\u00f2 cao l\u00e0 m\u1ed9t trong nh\u1eefng quy tr\u00ecnh luy\u1ec7n kim nh\u1ea1y c\u1ea3m nh\u1ea5t v\u1ec1 y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc nguy\u00ean li\u1ec7u th\u00f4. \u0110\u1ed9 th\u1ea5m c\u1ee7a nguy\u00ean li\u1ec7u n\u1ea1p v\u00e0o l\u00f2 \u2013 l\u1edbp qu\u1eb7ng s\u1eaft, than c\u1ed1c v\u00e0 ch\u1ea5t tr\u1ee3 dung (th\u01b0\u1eddng l\u00e0 \u0111\u00e1 v\u00f4i v\u00e0 \u0111\u00f4l\u00f4mit) \u0111\u01b0\u1ee3c n\u1ea1p t\u1eeb \u0111\u1ec9nh l\u00f2 \u2013 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec s\u1ef1 ph\u00e2n b\u1ed1 kh\u00ed \u1ed5n \u0111\u1ecbnh, qu\u00e1 tr\u00ecnh kh\u1eed \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 nhi\u1ec7t \u0111\u1ed9 r\u00f3t gang n\u00f3ng nh\u1ea5t qu\u00e1n. Nguy\u00ean li\u1ec7u n\u1ea1p ph\u1ea3i n\u1eb1m trong ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p: th\u00f4ng th\u01b0\u1eddng 10\u201340mm \u0111\u1ed1i v\u1edbi nguy\u00ean li\u1ec7u thi\u00eau k\u1ebft, 25\u201375mm \u0111\u1ed1i v\u1edbi than c\u1ed1c v\u00e0 10\u201340mm \u0111\u1ed1i v\u1edbi ch\u1ea5t tr\u1ee3 dung \u0111\u00e1 v\u00f4i. Nguy\u00ean li\u1ec7u n\u1eb1m ngo\u00e0i ph\u1ea1m vi n\u00e0y s\u1ebd g\u00e2y ra s\u1ef1 x\u00e1o tr\u1ed9n \u0111\u1ed9 th\u1ea5m, c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u00f2, gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn s\u1ef1 c\u1ed1 treo v\u00e0 tr\u01b0\u1ee3t l\u00f2 t\u1ed1n k\u00e9m \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i s\u1ef1 ph\u00e2n b\u1ed1 d\u00f2ng kh\u00ed b\u00ecnh th\u01b0\u1eddng.<\/p>\n

Chu\u1ea9n b\u1ecb h\u1ed7n h\u1ee3p \u0111\u00e1 v\u00f4i b\u1eb1ng m\u00e1y nghi\u1ec1n \u0111\u00e1.<\/h3>\n

\u0110\u00e1 v\u00f4i v\u00e0 \u0111\u00e1 \u0111\u00f4l\u00f4mit d\u00f9ng l\u00e0m tr\u1ee3 dung l\u00f2 cao ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec1n \u0111\u1ebfn k\u00edch th\u01b0\u1edbc quy \u0111\u1ecbnh v\u00e0 s\u00e0ng l\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1ea3 \u0111\u00e1 qu\u00e1 c\u1ee1 (l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a tr\u1ee3 dung trong l\u00f2) v\u00e0 \u0111\u00e1 m\u1ecbn (l\u00e0m t\u1eafc ngh\u1ebdn kh\u1ea3 n\u0103ng th\u1ea5m c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0 \u0111\u01b0\u1ee3c th\u1ea3i ra c\u00f9ng v\u1edbi kh\u00ed th\u1ea3i). M\u00e1y nghi\u1ec1n \u0111\u00e1 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 chu\u1ea9n b\u1ecb \u0111\u00e1 v\u00f4i l\u00e0m tr\u1ee3 dung th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 r\u00f4to trung b\u00ecnh v\u1edbi l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u1ed7 s\u00e0ng t\u1eeb 20\u201340mm v\u00e0 bao g\u1ed3m h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n ph\u1ea7n m\u1ecbn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m n\u1eb1m trong ph\u1ea1m vi k\u00edch th\u01b0\u1edbc quy \u0111\u1ecbnh t\u1eeb 10\u201340mm m\u00e0 kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u d\u01b0 th\u1eeba d\u01b0\u1edbi 10mm. B\u1ed9 l\u01b0\u1edbi s\u00e0ng c\u1ee7a Watanabe \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi dung sai k\u00edch th\u01b0\u1edbc duy tr\u00ec gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc tr\u00ean m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n \u2014 ng\u0103n \u0111\u00e1 v\u00f4i qu\u00e1 c\u1ee1 x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng n\u1ea1p li\u1ec7u c\u1ee7a l\u00f2 v\u00e0 tr\u00e1nh c\u00e1c h\u1eadu qu\u1ea3 v\u1eadn h\u00e0nh do nguy\u00ean li\u1ec7u kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n.<\/p>\n

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\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u t\u1ea3i<\/th>\nPh\u1ea1m vi k\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau<\/th>\nC\u00e0i \u0111\u1eb7t s\u00e0ng m\u00e1y nghi\u1ec1n<\/th>\nTh\u00f4ng s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n
Nguy\u00ean li\u1ec7u qu\u1eb7ng s\u1eaft thi\u00eau k\u1ebft<\/td>\n10\u201340mm<\/td>\nKh\u1ea9u \u0111\u1ed9 40mm v\u1edbi h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n 40mm.<\/td>\nGi\u1ea3m thi\u1ec3u c\u00e1c h\u1ea1t m\u1ecbn d\u01b0\u1edbi 6mm; t\u1ed1i \u0111a 5% theo kh\u1ed1i l\u01b0\u1ee3ng.<\/td>\n<\/tr>\n
Ch\u1ea5t tr\u1ee3 dung \u0111\u00e1 v\u00f4i<\/td>\n10\u201340mm<\/td>\nS\u00e0ng 40mm; s\u00e0ng l\u1ecdc +40mm tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n.<\/td>\n\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng CaO; t\u1ed1i \u0111a 3% d\u01b0\u1edbi 6mm<\/td>\n<\/tr>\n
D\u00f2ng ch\u1ea3y Dolomit<\/td>\n10\u201340mm<\/td>\nT\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e1 v\u00f4i; ki\u1ec3m tra h\u00e0m l\u01b0\u1ee3ng MgO theo t\u1eebng l\u00f4.<\/td>\n\u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n t\u1ef7 l\u1ec7 MgO:CaO \u0111\u1ec3 ki\u1ec3m so\u00e1t th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a x\u1ec9.<\/td>\n<\/tr>\n
Ch\u1ea5t tr\u1ee3 dung th\u1ea1ch anh (EAF)<\/td>\n5\u201330mm<\/td>\nM\u00e0n h\u00ecnh 30mm; c\u1ea5u h\u00ecnh chuy\u00ean d\u1ee5ng cho c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/td>\n\u0110\u1ed9 tinh khi\u1ebft SiO\u2082 >98%; h\u00e0m l\u01b0\u1ee3ng s\u1eaft t\u1ed1i \u0111a 0,1% Fe\u2082O\u2083<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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\"Blast<\/div>\n

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S\u1ea3n xu\u1ea5t nh\u00f4m: Nghi\u1ec1n qu\u1eb7ng bauxite v\u00e0 chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u cho nh\u00e0 m\u00e1y l\u1ecdc alumina.<\/h2>\n

\u00dac s\u1ea3n xu\u1ea5t kho\u1ea3ng 301.300 t\u1ea5n qu\u1eb7ng bauxite c\u1ee7a th\u1ebf gi\u1edbi - qu\u1eb7ng ch\u00ednh \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m - v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c ch\u00ednh \u1edf T\u00e2y \u00dac (Darling Range), Queensland (Weipa) v\u00e0 L\u00e3nh th\u1ed5 B\u1eafc \u00dac (Gove). Quy tr\u00ecnh Bayer \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tinh ch\u1ebf bauxite th\u00e0nh alumina y\u00eau c\u1ea7u qu\u1eb7ng ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf (th\u01b0\u1eddng d\u01b0\u1edbi 150 micron) \u0111\u1ec3 h\u00f2a tan x\u00fat \u0103n da hi\u1ec7u qu\u1ea3, nh\u01b0ng b\u01b0\u1edbc nghi\u1ec1n n\u00e0y ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n nhi\u1ec1u khi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau b\u01b0\u1edbc nghi\u1ec1n s\u01a1 c\u1ea5p \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc qu\u1eb7ng bauxite th\u00f4 xu\u1ed1ng c\u00f2n k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng nh\u1ea5t t\u1eeb \u200b\u200b25-50mm. N\u1ebfu kh\u00f4ng c\u00f3 qu\u00e1 tr\u00ecnh nghi\u1ec1n s\u01a1 c\u1ea5p, c\u00e1c m\u00e1y nghi\u1ec1n ph\u1ea3i x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi to\u00e0n b\u1ed9 d\u1ea3i k\u00edch th\u01b0\u1edbc t\u1eeb b\u1ee5i milimet \u0111\u1ebfn \u0111\u00e1 t\u1ea3ng 300mm - t\u1ea1o ra \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh k\u00e9m hi\u1ec7u qu\u1ea3, l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng ri\u00eang l\u00ean cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ee9c thi\u1ebft k\u1ebf.<\/p>\n

Vi\u1ec7c nghi\u1ec1n qu\u1eb7ng bauxite \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1eb7c th\u00f9 trong vi\u1ec7c x\u1eed l\u00fd v\u1eadt li\u1ec7u do \u0111\u1eb7c t\u00ednh ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t \u0111\u1ea5t s\u00e9t d\u00ednh c\u1ee7a qu\u1eb7ng \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 bauxite gibbsite t\u1eeb d\u00e3y Darling th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi l\u1edbp \u0111\u1ea5t ph\u1ee7 gi\u00e0u \u0111\u1ea5t s\u00e9t kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1ch ho\u00e0n to\u00e0n trong qu\u00e1 tr\u00ecnh khai th\u00e1c. Qu\u1eb7ng bauxite b\u1ecb nhi\u1ec5m \u0111\u1ea5t s\u00e9t khi \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n \u0111\u00e1 g\u00e2y t\u1eafc ngh\u1ebdn l\u01b0\u1edbi s\u00e0ng, l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u01b0\u1eddng xuy\u00ean l\u00e0m s\u1ea1ch th\u1ee7 c\u00f4ng. Watanabe gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch b\u1ed1 tr\u00ed s\u00e0ng l\u1ecdc s\u01a1 b\u1ed9 \u0111\u1ec3 t\u00e1ch t\u1ea1p ch\u1ea5t \u0111\u1ea5t s\u00e9t ra kh\u1ecfi nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o m\u00e1y nghi\u1ec1n, v\u00e0 b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc l\u1ed7 s\u00e0ng (th\u01b0\u1eddng l\u00e0 50mm tr\u1edf l\u00ean \u0111\u1ed1i v\u1edbi bauxite gi\u00e0u \u0111\u1ea5t s\u00e9t t\u1eeb d\u00e3y Darling) gi\u00fap duy tr\u00ec n\u0103ng su\u1ea5t v\u1edbi chi ph\u00ed l\u00e0 s\u1ea3n ph\u1ea9m th\u00f4 h\u01a1n m\u1ed9t ch\u00fat \u2014 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i m\u00e0 m\u1ea1ch nghi\u1ec1n ti\u1ebfp theo s\u1ebd h\u1ea5p th\u1ee5 m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy tr\u00ecnh.<\/p>\n

<\/p>\n

\n

T\u1eeb qu\u1eb7ng bauxite \u0111\u1ebfn alumina \u2014 V\u1ecb tr\u00ed c\u1ee7a m\u00e1y nghi\u1ec1n \u0111\u00e1 trong chu\u1ed7i cung \u1ee9ng c\u1ee7a Bayer.<\/h3>\n
\n
\n
\u26cf\ufe0f<\/div>\n

Khai th\u00e1c m\u1ecf<\/h4>\n

Khai th\u00e1c qu\u1eb7ng bauxite l\u1ed9 thi\u00ean. V\u1eadt li\u1ec7u th\u00f4 (ROM) c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ee5c kh\u00f4ng \u0111\u1ec1u t\u1eeb 0\u2013400mm \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u1ec5u ti\u1ebfp nh\u1eadn c\u1ee7a m\u00e1y nghi\u1ec1n s\u01a1 c\u1ea5p.<\/p>\n<\/div>\n

\n
\u2699\ufe0f<\/div>\n

Nghi\u1ec1n s\u01a1 c\u1ea5p \u2190 M\u00e1y nghi\u1ec1n \u0111\u00e1<\/h4>\n

M\u00e1y nghi\u1ec1n \u0111\u00e1 Watanabe gi\u1ea3m k\u00edch th\u01b0\u1edbc qu\u1eb7ng bauxite th\u00f4 xu\u1ed1ng c\u00f2n s\u1ea3n ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t 25\u201350mm. S\u00e0ng s\u01a1 lo\u1ea1i b\u1ecf ph\u1ea7n \u0111\u1ea5t s\u00e9t. S\u1ea3n ph\u1ea9m \u0111\u1ea7u ra \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u1ec3 chu\u1ea9n b\u1ecb b\u00f9n.<\/p>\n<\/div>\n

\n
\ud83c\udf00<\/div>\n

Nghi\u1ec1n<\/h4>\n

M\u00e1y nghi\u1ec1n thanh ho\u1eb7c m\u00e1y nghi\u1ec1n bi gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc qu\u1eb7ng bauxite \u0111\u00e3 nghi\u1ec1n xu\u1ed1ng d\u01b0\u1edbi 150\u03bcm b\u1eb1ng c\u00e1ch th\u00eam dung d\u1ecbch x\u00fat \u0103n da. S\u1ea3n l\u01b0\u1ee3ng nghi\u1ec1n \u1ed5n \u0111\u1ecbnh gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 n\u0103ng l\u01b0\u1ee3ng nghi\u1ec1n ri\u00eang.<\/p>\n<\/div>\n

\n
\ud83e\uddea<\/div>\n

Ti\u00eau h\u00f3a & L\u00e0m s\u1ea1ch<\/h4>\n

Nh\u00f4m hydroxit \u0111\u01b0\u1ee3c h\u00f2a tan t\u1eeb b\u00f9n bauxite d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t. Ch\u1ea5t th\u1ea3i b\u00f9n \u0111\u1ecf \u0111\u01b0\u1ee3c t\u00e1ch ra b\u1eb1ng c\u00e1c giai \u0111o\u1ea1n l\u00e0m s\u1ea1ch v\u00e0 l\u00e0m \u0111\u1eb7c.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng nghi\u1ec1n luy\u1ec7n kim \u2192<\/a><\/div>\n

<\/p>\n

Ch\u1ebf bi\u1ebfn qu\u1eb7ng h\u1ee3p kim s\u1eaft v\u00e0 kim lo\u1ea1i \u0111\u1eb7c bi\u1ec7t<\/h2>\n

Nghi\u1ec1n qu\u1eb7ng mangan \u0111\u1ec3 s\u1ea3n xu\u1ea5t ferromangan.<\/h3>\n

\u00dac n\u1eafm gi\u1eef kho\u1ea3ng m\u1ed9t ph\u1ea7n ba tr\u1eef l\u01b0\u1ee3ng mangan \u0111\u00e3 bi\u1ebft c\u1ee7a th\u1ebf gi\u1edbi, ch\u1ee7 y\u1ebfu \u1edf m\u1ecf Groote Eylandt thu\u1ed9c L\u00e3nh th\u1ed5 B\u1eafc \u00dac (NT) v\u00e0 v\u00f9ng Pilbara thu\u1ed9c T\u00e2y \u00dac (WA). Qu\u1eb7ng mangan d\u00f9ng l\u00e0m nguy\u00ean li\u1ec7u cho nh\u00e0 m\u00e1y luy\u1ec7n ferromangan ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u00edch th\u01b0\u1edbc trong kho\u1ea3ng 10\u201350mm \u0111\u1ed1i v\u1edbi nguy\u00ean li\u1ec7u n\u1ea1p cho l\u00f2 h\u1ed3 quang ch\u00ecm (SAF) \u2014 th\u00f4 h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c nguy\u00ean li\u1ec7u n\u1ea1p cho l\u00f2 luy\u1ec7n h\u1ee3p kim s\u1eaft kh\u00e1c v\u00ec c\u00f4ng ngh\u1ec7 SAF y\u00eau c\u1ea7u \u0111\u1ed9 th\u1ea5m kh\u00ed \u0111\u1ea7y \u0111\u1ee7 qua nguy\u00ean li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng cao. \u0110\u1ed9 c\u1ee9ng thay \u0111\u1ed5i c\u1ee7a qu\u1eb7ng mangan (Mohs 5\u20136 \u0111\u1ed1i v\u1edbi pyrolusite m\u1ec1m \u0111\u1ebfn Mohs 6\u20137 \u0111\u1ed1i v\u1edbi qu\u1eb7ng gi\u00e0u bixbyite c\u1ee9ng) \u0111\u00f2i h\u1ecfi c\u1ea5u h\u00ecnh b\u00faa nghi\u1ec1n linh ho\u1ea1t, v\u00e0 h\u1ec7 th\u1ed1ng khe h\u1edf t\u1ea5m ph\u00e1 v\u1ee1 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a Watanabe cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc \u0111\u1ea7u ra m\u1ee5c ti\u00eau khi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m thay \u0111\u1ed5i gi\u1eefa c\u00e1c chi\u1ebfn d\u1ecbch x\u1eed l\u00fd qu\u1eb7ng ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p tr\u00ean c\u00f9ng m\u1ed9t d\u00e2y chuy\u1ec1n.<\/p>\n

Cromit v\u00e0 qu\u1eb7ng niken laterit: Nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi qu\u1eb7ng c\u00f3 \u0111\u1ed9 m\u00e0i m\u00f2n cao<\/h3>\n

Qu\u1eb7ng cromit t\u1eeb c\u00e1c m\u1ecf \u1edf T\u00e2y \u00dac l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u m\u00e0i m\u00f2n nh\u1ea5t \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng luy\u1ec7n kim c\u1ee7a \u00dac \u2014 kho\u00e1ng ch\u1ea5t spinel crom (Mohs 7,5\u20138) k\u1ebft h\u1ee3p v\u1edbi \u0111\u00e1 ch\u1ee7 c\u00f3 h\u00e0m l\u01b0\u1ee3ng silic cao t\u1ea1o ra \u0111\u1ed9 m\u00e0i m\u00f2n t\u1ed5ng h\u1ee3p v\u01b0\u1ee3t qu\u00e1 h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i \u0111\u00e1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng m\u00e1y nghi\u1ec1n ti\u00eau chu\u1ea9n. B\u1ed9 b\u00faa h\u1ee3p kim cao c\u1ea5p nh\u1ea5t c\u1ee7a Watanabe (s\u1eaft crom cao \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t, 62\u201365 HRC) l\u00e0 c\u1ea7n thi\u1ebft cho vi\u1ec7c x\u1eed l\u00fd cromit, v\u1edbi tu\u1ed5i th\u1ecd b\u00faa d\u1ef1 ki\u1ebfn \u200b\u200bl\u00e0 80\u2013120 gi\u1edd gi\u1eefa c\u00e1c l\u1ea7n thay th\u1ebf so v\u1edbi 200\u2013300 gi\u1edd \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng qu\u1eb7ng kim lo\u1ea1i m\u1ec1m h\u01a1n. Qu\u1eb7ng niken laterit t\u1eeb c\u00e1c m\u1ecf \u1edf T\u00e2y \u00dac l\u1ea1i \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c r\u1ea5t kh\u00e1c: qu\u1eb7ng m\u1ec1m \u1edf Mohs 2\u20133 (ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t serpentin v\u00e0 smectit gi\u1ed1ng \u0111\u1ea5t s\u00e9t) nh\u01b0ng c\u1ef1c k\u1ef3 d\u00ednh khi \u01b0\u1edbt, \u0111\u00f2i h\u1ecfi ph\u1ea3i qu\u1ea3n l\u00fd \u0111\u1ed9 \u1ea9m nguy\u00ean li\u1ec7u c\u1ea9n th\u1eadn v\u00e0 c\u1ea5u h\u00ecnh s\u00e0ng ch\u1ed1ng t\u1eafc ngh\u1ebdn \u0111\u1ec3 ng\u0103n ng\u1eeba t\u1eafc ngh\u1ebdn bu\u1ed3ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t m\u00f9a \u1ea9m \u01b0\u1edbt ho\u1eb7c m\u01b0a nhi\u1ec1u.<\/p>\n

<\/p>\n

\"Ferroalloy<\/div>\n

<\/p>\n

X\u1eed l\u00fd ph\u1ebf li\u1ec7u kim lo\u1ea1i: T\u00e1ch kim lo\u1ea1i c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf t\u1eeb ch\u1ea5t th\u1ea3i h\u1ed7n h\u1ee3p<\/h2>\n

C\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u00e1i ch\u1ebf luy\u1ec7n kim ng\u00e0y c\u00e0ng x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i ph\u1ebf li\u1ec7u h\u1ed7n h\u1ee3p, trong \u0111\u00f3 kim lo\u1ea1i m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ho\u1eb7c bao b\u1ecdc b\u00ean trong c\u00e1c ma tr\u1eadn phi kim lo\u1ea1i \u2014 v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda c\u0169 c\u00f3 ch\u1ee9a c\u00e1c h\u1ea1t kim lo\u1ea1i, ch\u1ea5t mang x\u00fac t\u00e1c \u0111\u00e3 qua s\u1eed d\u1ee5ng c\u00f3 ch\u1ee9a kim lo\u1ea1i nh\u00f3m b\u1ea1ch kim, c\u1ee5m d\u00e2y d\u1eabn c\u00f3 d\u00e2y d\u1eabn b\u1eb1ng \u0111\u1ed3ng trong l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a, v\u00e0 v\u1eadt li\u1ec7u x\u1ec9 c\u00f3 l\u1eabn t\u1ea1p ch\u1ea5t kim lo\u1ea1i. M\u00e1y nghi\u1ec1n \u0111\u00e1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb t\u00e1ch \u2014 nghi\u1ec1n nh\u1ecf c\u00e1c v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p n\u00e0y th\u00e0nh k\u00edch th\u01b0\u1edbc h\u1ea1t m\u00e0 \u1edf \u0111\u00f3 c\u00e1c pha kim lo\u1ea1i v\u00e0 phi kim lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1ch ra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p m\u1eadt \u0111\u1ed9, t\u1eeb t\u00ednh ho\u1eb7c t\u0129nh \u0111i\u1ec7n \u2014 l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng thu h\u1ed3i kim lo\u1ea1i th\u1ee9 c\u1ea5p kh\u00f4ng th\u1ec3 x\u1eed l\u00fd tr\u1ef1c ti\u1ebfp nguy\u00ean li\u1ec7u h\u1ed7n h\u1ee3p.<\/p>\n

C\u1ea5u h\u00ecnh m\u00e1y nghi\u1ec1n cho qu\u00e1 tr\u00ecnh x\u1eed l\u00fd t\u1eadp trung v\u00e0o vi\u1ec7c t\u00e1ch qu\u1eb7ng kh\u00e1c v\u1edbi qu\u00e1 tr\u00ecnh gi\u1ea3m k\u00edch th\u01b0\u1edbc qu\u1eb7ng kh\u1ed1i: t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd th\u1ea5p h\u01a1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn v\u00ec m\u1ee5c ti\u00eau l\u00e0 \u0111\u1ed9 ho\u00e0n ch\u1ec9nh c\u1ee7a qu\u00e1 tr\u00ecnh t\u00e1ch qu\u1eb7ng ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ea3n l\u01b0\u1ee3ng th\u1ec3 t\u00edch, v\u00e0 c\u00e1c l\u1ed7 s\u00e0ng nh\u1ecf h\u01a1n (5\u201315mm) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u1ea3m k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p cho hi\u1ec7u qu\u1ea3 ph\u00e2n t\u00e1ch ti\u1ebfp theo. Trong tr\u01b0\u1eddng h\u1ee3p v\u1eadt li\u1ec7u n\u1ec1n phi kim lo\u1ea1i bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n g\u1ed1m ho\u1eb7c v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda \u2014 nh\u01b0 trong vi\u1ec7c thu h\u1ed3i l\u1edbp l\u00f3t l\u00f2 \u0111\u00e3 qua s\u1eed d\u1ee5ng \u2014 \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda gi\u00e0u alumina (Mohs 8\u20139) \u0111\u1eb7t ra nh\u1eefng y\u00eau c\u1ea7u c\u1ef1c k\u1ef3 kh\u1eaft khe \u0111\u1ed1i v\u1edbi luy\u1ec7n kim b\u00faa, v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn h\u1ee3p kim chuy\u00ean d\u1ee5ng c\u1ee7a Watanabe cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd m\u00e1y nghi\u1ec1n kh\u1ea3 thi trong c\u00e1c chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng n\u00e0y.<\/p>\n

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Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o cho nh\u00e0 m\u00e1y thi\u00eau k\u1ebft: T\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t.<\/h2>\n

C\u00e1c nh\u00e0 m\u00e1y thi\u00eau k\u1ebft t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y th\u00e9p t\u00edch h\u1ee3p s\u1eed d\u1ee5ng ph\u1ea7n qu\u1eb7ng m\u1ecbn kh\u00f4ng th\u1ec3 \u0111\u01b0a tr\u1ef1c ti\u1ebfp v\u00e0o l\u00f2 cao \u2014 th\u01b0\u1eddng l\u00e0 qu\u1eb7ng s\u1eaft m\u1ecbn d\u01b0\u1edbi 10mm tr\u1ed9n l\u1eabn v\u1edbi than c\u1ed1c v\u1ee5n, \u0111\u00e1 v\u00f4i v\u1ee5n tr\u1ee3 dung v\u00e0 qu\u1eb7ng m\u1ecbn h\u1ed3i l\u01b0u \u2014 v\u00e0 k\u1ebft t\u1ee5 h\u1ed7n h\u1ee3p n\u00e0y th\u00e0nh m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 th\u1ea5m cao v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1eafc g\u1ecdi l\u00e0 thi\u00eau k\u1ebft, r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u01b0a v\u00e0o l\u00f2 cao. H\u1ed7n h\u1ee3p nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o c\u1ee7a nh\u00e0 m\u00e1y thi\u00eau k\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 ki\u1ec1m (t\u1ef7 l\u1ec7 CaO\/SiO\u2082), \u0111\u1ed9 \u1ea9m v\u00e0 \u0111\u1ed9 th\u1ea5m \u0111\u1ec3 t\u1ea1o ra thi\u00eau k\u1ebft \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a l\u00f2 cao m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n. M\u1ed7i th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ed7n h\u1ee3p nguy\u00ean li\u1ec7u thi\u00eau k\u1ebft \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00f4ng qua m\u1ed9t m\u1ea1ch nghi\u1ec1n v\u00e0 s\u00e0ng l\u1ecdc chuy\u00ean d\u1ee5ng, v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb c\u00e1c m\u1ea1ch n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng thi\u00eau k\u1ebft v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a l\u00f2 cao.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t tr\u1ee3 dung \u0111\u00e1 v\u00f4i v\u00e0 dolomit trong h\u1ed7n h\u1ee3p thi\u00eau k\u1ebft, M\u00e1y nghi\u1ec1n \u0111\u00e1 Watanabe \u1edf \u00dac<\/a> \u0110\u01b0\u1ee3c c\u1ea5u h\u00ecnh v\u1edbi c\u00e1c l\u1ed7 s\u00e0ng 5\u201310mm, h\u1ec7 th\u1ed1ng n\u00e0y t\u1ea1o ra ph\u1ea7n tr\u1ee3 dung m\u1ecbn c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft hi\u1ec7u qu\u1ea3 \u2014 nh\u1eafm m\u1ee5c ti\u00eau v\u00e0o ph\u1ea1m vi 0\u20136mm, n\u01a1i \u0111\u1ed9 ph\u1ea3n \u1ee9ng c\u1ee7a \u0111\u00e1 v\u00f4i trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft l\u00e0 cao nh\u1ea5t v\u00e0 g\u00f3p ph\u1ea7n hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u00e0o vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ki\u1ec1m v\u00e0 \u0111\u1ed9 b\u1ec1n thi\u00eau k\u1ebft m\u1ee5c ti\u00eau. Dung sai k\u00edch th\u01b0\u1edbc l\u1ed7 s\u00e0ng ch\u1eb7t ch\u1ebd c\u1ee7a b\u1ed9 ghi l\u00f2 Watanabe \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng n\u00e0y: s\u1ef1 sai l\u1ec7ch so v\u1edbi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc m\u1ee5c ti\u00eau trong th\u00e0nh ph\u1ea7n tr\u1ee3 dung s\u1ebd l\u00e0m d\u1ecbch chuy\u1ec3n \u0111\u1ed9 ki\u1ec1m c\u1ee7a s\u1ea3n ph\u1ea9m thi\u00eau k\u1ebft ra ngo\u00e0i ph\u1ea1m vi ki\u1ec3m so\u00e1t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a x\u1ec9 l\u00f2 cao v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng gang n\u00f3ng cho l\u00f2 chuy\u1ec3n \u0111\u1ed5i luy\u1ec7n th\u00e9p \u1edf kh\u00e2u ti\u1ebfp theo.<\/p>\n

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\"Watanabe<\/div>\n

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K\u1ef9 thu\u1eadt b\u1ea3o tr\u00ec cho m\u00e1y nghi\u1ec1n \u0111\u00e1 d\u00f9ng trong luy\u1ec7n kim<\/h2>\n

M\u00f4i tr\u01b0\u1eddng ch\u1ebf bi\u1ebfn luy\u1ec7n kim \u0111\u1eb7t ra nh\u1eefng y\u00eau c\u1ea7u b\u1ea3o tr\u00ec \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb nghi\u1ec1n kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng x\u00e2y d\u1ef1ng ho\u1eb7c n\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng. L\u1ecbch tr\u00ecnh v\u1eadn h\u00e0nh li\u00ean t\u1ee5c (th\u01b0\u1eddng l\u00e0 24\/7 trong c\u1ea5u h\u00ecnh nh\u00e0 m\u00e1y t\u00edch h\u1ee3p), ngu\u1ed3n c\u1ea5p qu\u1eb7ng m\u00e0i m\u00f2n, m\u00f4i tr\u01b0\u1eddng k\u00edn nhi\u1ec1u b\u1ee5i v\u00e0 s\u1ef1 t\u00edch h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb x\u1eed l\u00fd th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ea1 ngu\u1ed3n c\u00f3 ngh\u0129a l\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec kh\u00f4ng th\u1ec3 ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1ea5t c\u1ee9 khi n\u00e0o thu\u1eadn ti\u1ec7n \u2014 n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c khung th\u1eddi gian b\u1ea3o tr\u00ec theo l\u1ecbch tr\u00ecnh to\u00e0n nh\u00e0 m\u00e1y v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian nh\u1eb1m b\u1ea3o v\u1ec7 m\u1ee5c ti\u00eau s\u1eed d\u1ee5ng nh\u00e0 m\u00e1y. Ph\u01b0\u01a1ng ph\u00e1p k\u1ef9 thu\u1eadt c\u1ee7a Watanabe \u0111\u1ed1i v\u1edbi b\u1ea3o tr\u00ec trong ng\u00e0nh luy\u1ec7n kim gi\u1ea3i quy\u1ebft ba th\u00f4ng s\u1ed1 ch\u00ednh: kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn (t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu m\u00e0i m\u00f2n cao \u0111\u1ec1u c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn m\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o thi\u1ebft b\u1ecb li\u1ec1n k\u1ec1 ho\u1eb7c l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c k\u1ebft n\u1ed1i quy tr\u00ecnh), t\u1ed1c \u0111\u1ed9 thay th\u1ebf (vi\u1ec7c thay th\u1ebf to\u00e0n b\u1ed9 b\u1ed9 b\u00faa c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh trong v\u00f2ng ch\u01b0a \u0111\u1ea7y b\u1ed1n gi\u1edd b\u1edfi hai k\u1ef9 thu\u1eadt vi\u00ean \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n) v\u00e0 kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n (c\u00e1c d\u1ea5u hi\u1ec7u ch\u1ec9 b\u00e1o m\u00e0i m\u00f2n r\u00f5 r\u00e0ng tr\u00ean b\u00faa v\u00e0 l\u01b0\u1edbi s\u00e0ng cho bi\u1ebft tu\u1ed5i th\u1ecd c\u00f2n l\u1ea1i m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb \u0111o k\u00edch th\u01b0\u1edbc).<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n \u2014 c\u1ee5 th\u1ec3 l\u00e0 gi\u00e1m s\u00e1t rung \u0111\u1ed9ng c\u1ee7a c\u1ee5m \u1ed5 tr\u1ee5c r\u00f4to v\u00e0 ch\u1ee5p \u1ea3nh nhi\u1ec7t c\u00e1c b\u1ed9 ph\u1eadn truy\u1ec1n \u0111\u1ed9ng \u2014 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u00f4i tr\u01b0\u1eddng nh\u00e0 m\u00e1y luy\u1ec7n kim v\u00ec ch\u00fang cho ph\u00e9p \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng hao m\u00f2n m\u00e0 kh\u00f4ng c\u1ea7n d\u1eebng m\u00e1y, gi\u00fap \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh b\u1ea3o tr\u00ec theo k\u1ebf ho\u1ea1ch thay v\u00ec ph\u1ea3n \u1ee9ng th\u1ee5 \u0111\u1ed9ng. C\u00e1c c\u1ee5m r\u00f4to c\u1ee7a Watanabe bao g\u1ed3m c\u00e1c thi\u1ebft k\u1ebf v\u1ecf \u1ed5 tr\u1ee5c t\u01b0\u01a1ng th\u00edch v\u1edbi vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn gi\u00e1m s\u00e1t rung \u0111\u1ed9ng ti\u00eau chu\u1ea9n, v\u00e0 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c \u0111\u1eb7c tr\u01b0ng rung \u0111\u1ed9ng c\u01a1 b\u1ea3n v\u00e0 thi\u1ebft l\u1eadp ng\u01b0\u1ee1ng c\u1ea3nh b\u00e1o \u0111\u1ec3 t\u00edch h\u1ee3p gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng v\u00e0o h\u1ec7 th\u1ed1ng SCADA c\u1ee7a nh\u00e0 m\u00e1y \u2014 m\u1ed9t kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 tr\u1ef1c ti\u1ebfp s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec ph\u1ea3n \u1ee9ng th\u1ee5 \u0111\u1ed9ng sang chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec theo k\u1ebf ho\u1ea1ch m\u00e0 c\u00e1c k\u1ef9 s\u01b0 nh\u00e0 m\u00e1y luy\u1ec7n kim lu\u00f4n x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u00f2n b\u1ea9y ch\u00ednh \u0111\u1ec3 gi\u1ea3m chi ph\u00ed thi\u1ebft b\u1ecb.<\/p>\n

<\/p>\n

N\u0103ng l\u1ef1c k\u1ef9 thu\u1eadt c\u1ee7a Watanabe trong c\u00e1c \u1ee9ng d\u1ee5ng luy\u1ec7n kim t\u1ea1i \u00dac<\/h2>\n

C\u00f4ng ty TNHH M\u00e1y nghi\u1ec1n \u0111\u00e1 g\u1eafn tr\u00ean m\u00e1y k\u00e9o Watanabe c\u1ee7a \u00dac mang \u0111\u1ebfn chi\u1ec1u s\u00e2u k\u1ef9 thu\u1eadt cho c\u00e1c \u1ee9ng d\u1ee5ng chu\u1ea9n b\u1ecb qu\u1eb7ng luy\u1ec7n kim m\u00e0 hi\u1ebfm khi c\u00f3 \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y nghi\u1ec1n n\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng. Nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a Watanabe hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u1ee9ng d\u1ee5ng nghi\u1ec1n s\u01a1 c\u1ea5p \u0111\u1ec3 xu\u1ea5t kh\u1ea9u qu\u1eb7ng s\u1eaft DSO v\u00e0 \u1ee9ng d\u1ee5ng nghi\u1ec1n t\u00e1ch \u0111\u1ec3 thu h\u1ed3i \u0111\u1ed3ng th\u1ee9 c\u1ea5p \u2014 v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p thay v\u00ec cung c\u1ea5p m\u1ed9t thi\u1ebft b\u1ecb ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1ec3 ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ef1 ph\u00e1t hi\u1ec7n ra s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p sau khi v\u1eadn h\u00e0nh. C\u00e1ch ti\u1ebfp c\u1eadn k\u1ef9 thu\u1eadt chuy\u00ean bi\u1ec7t n\u00e0y m\u1edf r\u1ed9ng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn h\u1ee3p kim b\u00faa (b\u1ed1n lo\u1ea1i h\u1ee3p kim kh\u00e1c nhau c\u00f3 s\u1eb5n cho c\u00e1c c\u1ea5u h\u00ecnh \u0111\u1ed9 m\u00e0i m\u00f2n qu\u1eb7ng kh\u00e1c nhau), dung sai k\u00edch th\u01b0\u1edbc l\u1ed7 l\u01b0\u1edbi s\u00e0ng (\u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh theo c\u00e1c ti\u00eau chu\u1ea9n k\u00edch th\u01b0\u1edbc quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng quy tr\u00ecnh) v\u00e0 h\u01b0\u1edbng d\u1eabn t\u00edch h\u1ee3p \u0111\u1ec3 k\u1ebft n\u1ed1i m\u00e1y nghi\u1ec1n g\u1eafn tr\u00ean m\u00e1y k\u00e9o v\u1edbi h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i nh\u00e0 m\u00e1y v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 thu mua v\u1eadt t\u01b0 luy\u1ec7n kim \u0111ang so s\u00e1nh gi\u1eefa m\u00e1y nghi\u1ec1n g\u1eafn tr\u00ean m\u00e1y k\u00e9o v\u00e0 m\u00e1y nghi\u1ec1n c\u1ed1 \u0111\u1ecbnh, Watanabe cung c\u1ea5p ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt so s\u00e1nh v\u1ec1 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, chi ph\u00ed \u0111\u1ea7u t\u01b0, chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 r\u1ee7i ro cung c\u1ea5p ph\u1ee5 t\u00f9ng cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 \u2014 m\u1ed9t d\u1ecbch v\u1ee5 cho ph\u00e9p \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh mua s\u1eafm d\u1ef1a tr\u00ean b\u1eb1ng ch\u1ee9ng thay v\u00ec ch\u1ec9 so s\u00e1nh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u0111i\u1ec1u n\u00e0y ch\u1eafc ch\u1eafn s\u1ebd \u01b0u ti\u00ean nh\u1eefng con s\u1ed1 l\u1edbn h\u01a1n trong t\u00e0i li\u1ec7u qu\u1ea3ng c\u00e1o c\u1ee7a m\u00e1y nghi\u1ec1n c\u1ed1 \u0111\u1ecbnh. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng k\u1ef9 thu\u1eadt c\u1ee7a Watanabe t\u1ea1i tractor-stone-crusher.com\/contact-us\/<\/a> H\u00e3y cung c\u1ea5p cho ch\u00fang t\u00f4i lo\u1ea1i qu\u1eb7ng, s\u1ea3n l\u01b0\u1ee3ng y\u00eau c\u1ea7u v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh \u0111\u00e1nh gi\u00e1.<\/p>\n

<\/p>\n

\"Watanabe<\/div>\n

<\/p>\n

\n

S\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt cho qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn qu\u1eb7ng luy\u1ec7n kim.<\/h2>\n
\"Watanabe<\/p>\n
\n

M\u00e1y nghi\u1ec1n \u0111\u00e1 Watanabe PSW-3200 Series<\/h3>\n

D\u00f2ng m\u00e1y PSW-3200 c\u1ee7a Watanabe l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng chu\u1ea9n b\u1ecb qu\u1eb7ng luy\u1ec7n kim, n\u01a1i hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady cung c\u1ea5p ph\u1ee5 t\u00f9ng l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu. C\u1ee5m r\u00f4to ch\u1ecbu t\u1ea3i n\u1eb7ng x\u1eed l\u00fd qu\u1eb7ng s\u1eaft, qu\u1eb7ng \u0111\u1ed3ng, bauxite, qu\u1eb7ng mangan v\u00e0 \u0111\u00e1 v\u00f4i theo ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng luy\u1ec7n kim, v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn h\u1ee3p kim b\u00faa ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u00ednh m\u00e0i m\u00f2n c\u1ee7a qu\u1eb7ng c\u1ee5 th\u1ec3. B\u1ed9 l\u01b0\u1edbi s\u00e0ng t\u1eeb 5\u201350mm \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m luy\u1ec7n kim. C\u1ea5u h\u00ecnh truy\u1ec1n \u0111\u1ed9ng PTO mang l\u1ea1i s\u1ef1 linh ho\u1ea1t trong tri\u1ec3n khai cho c\u00e1c m\u1ecf v\u00f9ng xa kh\u00f4ng c\u00f3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n c\u1ed1 \u0111\u1ecbnh. \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ea1ng l\u01b0\u1edbi cung c\u1ea5p ph\u1ee5 t\u00f9ng c\u1ee7a Watanabe t\u1ea1i Condell Park, NSW v\u1edbi kh\u1ea3 n\u0103ng cung c\u1ea5p nhanh ch\u00f3ng t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu m\u00e0i m\u00f2n cao.<\/p>\n

Xem chi ti\u1ebft d\u00f2ng s\u1ea3n ph\u1ea9m PSW-3200 \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p \u2014 Luy\u1ec7n kim m\u00e1y nghi\u1ec1n \u0111\u00e1 v\u00e0 ch\u1ebf bi\u1ebfn qu\u1eb7ng<\/h2>\n
\n
\n1. M\u00e1y nghi\u1ec1n \u0111\u00e1 Watanabe c\u00f3 th\u1ec3 \u0111\u1ea1t n\u0103ng su\u1ea5t bao nhi\u00eau khi th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c nghi\u1ec1n s\u01a1 c\u1ea5p qu\u1eb7ng s\u1eaft?
\n+<\/span><\/summary>\n
\u0110\u1ed1i v\u1edbi qu\u1eb7ng hematit DSO ti\u00eau chu\u1ea9n v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t P80 d\u01b0\u1edbi 400mm v\u00e0 s\u1ea3n ph\u1ea9m m\u1ee5c ti\u00eau t\u1eeb 0\u2013100mm, d\u00f2ng m\u00e1y PSW-3200 \u0111\u1ea1t n\u0103ng su\u1ea5t 80\u2013150 t\u1ea5n\/gi\u1edd t\u00f9y thu\u1ed9c v\u00e0o m\u1eadt \u0111\u1ed9 qu\u1eb7ng v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u. V\u1edbi ngu\u1ed3n c\u1ea5p li\u1ec7u \u1ed5n \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u01b0u, n\u0103ng su\u1ea5t \u1edf m\u1ee9c cao h\u01a1n trong ph\u1ea1m vi n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi qu\u1eb7ng hematit DSO ki\u1ec3u Pilbara ti\u00eau chu\u1ea9n. Qu\u1eb7ng \u0111\u1eb7c, gi\u00e0u silica ho\u1eb7c c\u00f3 h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t cao s\u1ebd c\u00f3 xu h\u01b0\u1edbng \u0111\u1ea1t n\u0103ng su\u1ea5t th\u1ea5p h\u01a1n. Vui l\u00f2ng cung c\u1ea5p ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t nguy\u00ean li\u1ec7u th\u00f4, m\u1eadt \u0111\u1ed9 qu\u1eb7ng v\u00e0 m\u1ee5c ti\u00eau t\u1ea5n h\u00e0ng ng\u00e0y cho \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a Watanabe \u0111\u1ec3 x\u00e1c nh\u1eadn c\u00f4ng su\u1ea5t c\u1ee5 th\u1ec3 t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m c\u1ee7a b\u1ea1n. Li\u00ean h\u1ec7 sales@tractor-stone-crusher.com<\/strong> V\u1edbi d\u1eef li\u1ec7u qu\u1eb7ng c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1.<\/div>\n<\/details>\n
\n2. M\u00e1y nghi\u1ec1n \u0111\u00e1 Watanabe c\u00f3 th\u1ec3 x\u1eed l\u00fd qu\u1eb7ng \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 k\u00edch th\u01b0\u1edbc nguy\u00ean li\u1ec7u n\u1ea1p cho l\u00f2 cao kh\u00f4ng?
\n+<\/span><\/summary>\n
C\u00f3, v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn l\u01b0\u1edbi s\u00e0ng ph\u00f9 h\u1ee3p. \u0110\u1ed1i v\u1edbi ti\u00eau chu\u1ea9n nguy\u00ean li\u1ec7u l\u00f2 cao 10\u201340mm, l\u01b0\u1edbi s\u00e0ng c\u00f3 l\u1ed7 40mm t\u1ea1o ra gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc tr\u00ean, v\u00e0 l\u01b0\u1edbi s\u00e0ng ho\u1eb7c m\u00e1y ph\u00e2n lo\u1ea1i ph\u00eda sau \u1edf k\u00edch th\u01b0\u1edbc 10mm s\u1ebd lo\u1ea1i b\u1ecf ph\u1ea7n m\u1ecbn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m 10\u201340mm. D\u00f2ng s\u1ea3n ph\u1ea9m Watanabe PSW-3200 duy tr\u00ec k\u00edch th\u01b0\u1edbc l\u1ed7 s\u00e0ng nh\u1ea5t qu\u00e1n trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng v\u00ec l\u01b0\u1edbi s\u00e0ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb th\u00e9p h\u1ee3p kim ch\u1ed1ng m\u00e0i m\u00f2n v\u1edbi dung sai k\u00edch th\u01b0\u1edbc \u00b11mm \u2014 ch\u1eb7t ch\u1ebd h\u01a1n so v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ed1t li\u1ec7u x\u00e2y d\u1ef1ng th\u00f4ng th\u01b0\u1eddng v\u00e0 ph\u00f9 h\u1ee3p cho vi\u1ec7c ph\u00e2n lo\u1ea1i nguy\u00ean li\u1ec7u luy\u1ec7n kim. Vui l\u00f2ng cung c\u1ea5p th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nguy\u00ean li\u1ec7u v\u00e0 gi\u1edbi h\u1ea1n ph\u00e2n \u0111o\u1ea1n m\u1ee5c ti\u00eau (v\u00ed d\u1ee5: t\u1ed1i \u0111a 3% d\u01b0\u1edbi 6mm) khi li\u00ean h\u1ec7 v\u1edbi Watanabe \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh.<\/div>\n<\/details>\n
\n3. Lo\u1ea1i h\u1ee3p kim b\u00faa n\u00e0o \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf bi\u1ebfn qu\u1eb7ng cromit ho\u1eb7c th\u1ea1ch anh c\u00f3 h\u00e0m l\u01b0\u1ee3ng silic cao?
\n+<\/span><\/summary>\n
\u0110\u1ed1i v\u1edbi qu\u1eb7ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng silica cao tr\u00ean Mohs 7 \u2014 bao g\u1ed3m cromit, qu\u1eb7ng v\u00e0ng ch\u1ee9a trong th\u1ea1ch anh v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ea1p ch\u1ea5t c\u1ee9ng trong c\u00e1c m\u1ecf \u0111a kim lo\u1ea1i \u2014 h\u1ee3p kim b\u00faa s\u1eaft crom cao \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a Watanabe (ASTM A532 Lo\u1ea1i III Ki\u1ec3u A, kho\u1ea3ng 62\u201365 HRC) mang l\u1ea1i tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng nghi\u1ec1n va \u0111\u1eadp ti\u00eau chu\u1ea9n. H\u1ee3p kim n\u00e0y c\u00f3 t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch cacbua cao h\u01a1n so v\u1edbi th\u00e9p crom-mangan ti\u00eau chu\u1ea9n, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n do ti\u1ebfp x\u00fac v\u1edbi silica v\u01b0\u1ee3t tr\u1ed9i. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i qu\u1eb7ng tr\u00ean Mohs 8 (cromit spinel, m\u1ed9t s\u1ed1 th\u00e0nh t\u1ea1o s\u1eaft silic h\u00f3a), h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn \u200b\u200b\u200b\u200bnh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a Watanabe v\u1ec1 c\u00e1c t\u00f9y ch\u1ecdn b\u00faa m\u1eb7t g\u1ed1m ho\u1eb7c c\u1ea5u h\u00ecnh m\u00e1y nghi\u1ec1n thay th\u1ebf, v\u00ec ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n va \u0111\u1eadp ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n s\u01a1 c\u1ea5p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i qu\u1eb7ng c\u1ee9ng nh\u1ea5t.<\/div>\n<\/details>\n
\n4. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00edch h\u1ee3p m\u00e1y nghi\u1ec1n \u0111\u00e1 g\u1eafn tr\u00ean m\u00e1y k\u00e9o v\u1edbi h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i c\u1ed1 \u0111\u1ecbnh v\u00e0 h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb nh\u00e0 m\u00e1y trong m\u1ed9t c\u01a1 s\u1edf luy\u1ec7n kim?
\n+<\/span><\/summary>\n
Vi\u1ec7c t\u00edch h\u1ee3p m\u00e1y nghi\u1ec1n Watanabe g\u1eafn tr\u00ean m\u00e1y k\u00e9o v\u00e0o h\u1ec7 th\u1ed1ng ti\u1ebfp nh\u1eadn\/b\u0103ng t\u1ea3i c\u1ed1 \u0111\u1ecbnh c\u1ee7a nh\u00e0 m\u00e1y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t b\u1ec7 nghi\u1ec1n chuy\u00ean d\u1ee5ng v\u1edbi ph\u1ec5u v\u00e0 h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i c\u1ea5p li\u1ec7u, trong \u0111\u00f3 m\u00e1y k\u00e9o \u0111\u1ed7 \u1edf v\u1ecb tr\u00ed x\u00e1c \u0111\u1ecbnh v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea5p t\u1eeb m\u00e1y x\u00fac l\u1eadt ho\u1eb7c m\u00e1y \u0111\u00e0o v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. S\u1ea3n ph\u1ea9m \u0111\u1ea7u ra c\u1ee7a m\u00e1y nghi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u01b0a l\u00ean b\u0103ng t\u1ea3i ti\u1ebfp nh\u1eadn ho\u1eb7c b\u00e3i ch\u1ee9a k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ch x\u1eed l\u00fd ti\u1ebfp theo c\u1ee7a nh\u00e0 m\u00e1y. \u0110\u1ec3 t\u00edch h\u1ee3p l\u00e2u d\u00e0i, m\u1ed9t b\u1ec7 nghi\u1ec1n c\u1ed1 \u0111\u1ecbnh v\u1edbi k\u1ebft n\u1ed1i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1edbi b\u0103ng t\u1ea3i v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n quy tr\u00ecnh c\u1ee7a nh\u00e0 m\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y; \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng t\u1ea1m th\u1eddi ho\u1eb7c theo chi\u1ebfn d\u1ecbch, c\u1ea5u h\u00ecnh di \u0111\u1ed9ng cho ph\u00e9p m\u00e1y nghi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb v\u00e0 di chuy\u1ec3n m\u00e0 kh\u00f4ng c\u1ea7n c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng. Watanabe cung c\u1ea5p d\u1eef li\u1ec7u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea3i tr\u1ecdng cho thi\u1ebft k\u1ebf b\u1ec7 nghi\u1ec1n v\u00e0 ph\u1ec5u c\u1ea5p li\u1ec7u \u2014 h\u00e3y li\u00ean h\u1ec7 v\u1edbi nh\u00f3m k\u1ef9 thu\u1eadt k\u00e8m theo b\u1ea3n v\u1ebd b\u1ed1 tr\u00ed nh\u00e0 m\u00e1y c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf t\u00edch h\u1ee3p.<\/div>\n<\/details>\n
\n5. Chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u so s\u00e1nh gi\u1eefa m\u00e1y nghi\u1ec1n h\u00e0m c\u1ed1 \u0111\u1ecbnh Watanabe PSW-3200 v\u00e0 m\u1ed9t m\u00e1y nghi\u1ec1n h\u00e0m c\u1ed1 \u0111\u1ecbnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng d\u00f9ng trong qu\u00e1 tr\u00ecnh nghi\u1ec1n s\u01a1 c\u1ea5p luy\u1ec7n kim l\u00e0 bao nhi\u00eau?
\n+<\/span><\/summary>\n
M\u1ed9t m\u00e1y nghi\u1ec1n h\u00e0m c\u1ed1 \u0111\u1ecbnh v\u1edbi c\u00f4ng su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (80\u2013150 t\u1ea5n\/gi\u1edd) th\u01b0\u1eddng c\u00f3 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u kho\u1ea3ng 180.000\u20131350.000 AUD ch\u1ec9 ri\u00eang cho m\u00e1y nghi\u1ec1n, ch\u01b0a k\u1ec3 chi ph\u00ed x\u00e2y d\u1ef1ng, k\u1ebft c\u1ea5u th\u00e9p, l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh th\u1eed, c\u00f3 th\u1ec3 l\u00ean t\u1edbi 150.000\u20131400.000 AUD t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ecba \u0111i\u1ec3m. T\u1ed5ng v\u1ed1n \u0111\u1ea7u t\u01b0 l\u1eafp \u0111\u1eb7t cho m\u1ed9t h\u1ec7 th\u1ed1ng nghi\u1ec1n s\u01a1 c\u1ea5p c\u1ed1 \u0111\u1ecbnh \u1edf quy m\u00f4 n\u00e0y th\u01b0\u1eddng \u0111\u1ea1t 400.000\u20131800.000 AUD. Gi\u1ea3i ph\u00e1p m\u00e1y nghi\u1ec1n g\u1eafn tr\u00ean m\u00e1y k\u00e9o Watanabe PSW-3200 \u2014 gi\u1ea3 s\u1eed \u0111\u00e3 c\u00f3 s\u1eb5n m\u00e1y k\u00e9o t\u01b0\u01a1ng th\u00edch \u2014 c\u00f3 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi con s\u1ed1 n\u00e0y, v\u1edbi y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u v\u1ec1 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng x\u00e2y d\u1ef1ng v\u00e0 \u0111i\u1ec7n. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t (PSW-3200 ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng su\u1ea5t h\u00e0ng n\u0103m l\u00ean \u0111\u1ebfn kho\u1ea3ng 5 tri\u1ec7u t\u1ea5n khi ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c) v\u00e0 s\u1ef1 k\u1ef7 lu\u1eadt c\u1ea7n thi\u1ebft \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c nhi\u1ec7m v\u1ee5 kh\u00e1c c\u1ee7a m\u00e1y k\u00e9o t\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u00f9ng v\u1edbi th\u1eddi gian s\u1ea3n xu\u1ea5t nghi\u1ec1n chuy\u00ean d\u1ee5ng. Li\u00ean h\u1ec7 v\u1edbi Watanabe t\u1ea1i sales@tractor-stone-crusher.com<\/strong> \u0110\u1ec3 bi\u1ebft gi\u00e1 hi\u1ec7n t\u1ea1i c\u1ee7a PSW-3200 v\u00e0 so s\u00e1nh chi ti\u1ebft chi ph\u00ed cho quy m\u00f4 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/div>\n<\/details>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Ng\u00e0nh Luy\u1ec7n kim & N\u1ea5u ch\u1ea3y: Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u qu\u1eb7ng, X\u1eed l\u00fd nguy\u00ean li\u1ec7u n\u1ea1p l\u00f2 v\u00e0 Qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i luy\u1ec7n kim. \u0110\u00e2y l\u00e0 c\u1ea9m nang k\u1ef9 thu\u1eadt quy tr\u00ecnh d\u00e0nh cho c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y luy\u1ec7n kim, k\u1ef9 s\u01b0 chu\u1ea9n b\u1ecb qu\u1eb7ng v\u00e0 qu\u1ea3n l\u00fd thu mua, \u0111\u00e1nh gi\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p m\u00e1y nghi\u1ec1n \u0111\u00e1 \u0111\u1ec3 chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u th\u00f4, ph\u00e2n lo\u1ea1i nguy\u00ean li\u1ec7u n\u1ea1p l\u00f2, x\u1eed l\u00fd qu\u1eb7ng h\u1ee3p kim s\u1eaft v\u00e0 t\u1eadn d\u1ee5ng s\u1ea3n ph\u1ea9m ph\u1ee5 trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng luy\u1ec7n th\u00e9p, nh\u00f4m, \u0111\u1ed3ng v\u00e0 kim lo\u1ea1i m\u00e0u tr\u00ean kh\u1eafp n\u01b0\u1edbc \u00dac. [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-448","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/posts\/448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/comments?post=448"}],"version-history":[{"count":2,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/posts\/448\/revisions"}],"predecessor-version":[{"id":452,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/posts\/448\/revisions\/452"}],"wp:attachment":[{"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/media?parent=448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/categories?post=448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tractor-stone-crusher.com\/vi\/wp-json\/wp\/v2\/tags?post=448"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}