{"id":5844,"date":"2025-10-23T11:50:48","date_gmt":"2025-10-23T03:50:48","guid":{"rendered":"https:\/\/www.chinanhd.com\/?p=5844"},"modified":"2025-12-18T16:44:24","modified_gmt":"2025-12-18T08:44:24","slug":"how-automatic-leaf-filters-solve-fine-filtration-in-the-chemicals-mining","status":"publish","type":"post","link":"https:\/\/www.chinanhd.com\/vi\/how-automatic-leaf-filters-solve-fine-filtration-in-the-chemicals-mining\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng gi\u1ea3i quy\u1ebft l\u1ecdc m\u1ecbn trong h\u00f3a ch\u1ea5t & Khai th\u00e1c m\u1ecf"},"content":{"rendered":"

\"Ng\u00e0y<\/p>\n

V\u00e0o nh\u1eefng ng\u00e0y kh\u00f3i m\u00f9 ho\u1eb7c b\u1ee5i b\u1ee5i, s\u1ee9 m\u1ec7nh c\u1ed1t l\u00f5i c\u1ee7a m\u1eb7t n\u1ea1 ch\u00fang ta \u0111eo l\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a ch\u00fang ta b\u1eb1ng c\u00e1ch ch\u1eb7n c\u00e1c h\u1ea1t nh\u1ecf kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft tr\u1ea7n. Nh\u1eefng h\u1ea1t PM2.5 n\u00e0y c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n 2,5 micron, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng s\u00e2u s\u1eafc \u0111\u1ebfn h\u1ec7 h\u00f4 h\u1ea5p c\u1ee7a ch\u00fang ta. Vi\u1ec7c d\u1ecbch k\u1ecbch b\u1ea3n n\u00e0y sang s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t v\u00e0 khai th\u00e1c m\u1ecf cho th\u1ea5y m\u1ed9t t\u00ecnh hu\u1ed1ng t\u01b0\u01a1ng t\u1ef1 \u0111\u00e1ng ch\u00fa \u00fd: c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng v\u00e0 h\u1ed3 b\u00f9n c\u0169ng \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c h\u1ea1t \"v\u00f4 h\u00ecnh\" ch\u1ec9 \u0111o 1-5 micron. M\u1eb7c d\u00f9 nh\u1ecf, c\u00e1c h\u1ea1t n\u00e0y \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 l\u00e0m suy gi\u1ea3m \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng, ch\u1ea5t x\u00fac t\u00e1c \u0111\u1ed9c h\u1ea1i, v\u00e0 n\u1ebfu kh\u00f4ng \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c m\u00f4i tr\u01b0\u1eddng kh\u00f3 kh\u0103n.<\/p>\n

Do \u0111\u00f3, l\u1ecdc ch\u00ednh x\u00e1c kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p an to\u00e0n; \u0110\u00f3 l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 hi\u1ec7u qu\u1ea3 quy tr\u00ecnh. \u0110\u00e2y l\u00e0 n\u01a1i c\u00e1c b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng \u0111\u1ebfn. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1i sao ch\u00fang’ quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<\/p>\n

Gi\u1ea3i quy\u1ebft h\u00e0m l\u01b0\u1ee3ng r\u1eafn th\u1ea5p v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tinh khi\u1ebft s\u1ea3n ph\u1ea9m<\/b><\/strong><\/h2>\n

X\u1eed l\u00fd b\u00f9n c\u00f3 h\u00e0m l\u01b0\u1ee3ng r\u1eafn th\u1ea5p l\u00e0 kh\u00f3 kh\u0103n trong ch\u1ebf bi\u1ebfn h\u00f3a h\u1ecdc v\u00e0 khai th\u00e1c m\u1ecf. Nh\u1eefng h\u1ed7n h\u1ee3p n\u00e0y th\u01b0\u1eddng tr\u00f4ng m\u1ecfng nh\u01b0ng che gi\u1ea5u c\u00e1c h\u1ea1t l\u00e0m gi\u00e1n \u0111o\u1ea1n \u0111\u1ed9 tinh khi\u1ebft. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng b\u1ecb thi\u1ebfu \u1edf \u0111\u00e2y, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 kh\u00f4ng nh\u1ea5t qu\u00e1n. B\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng thay \u0111\u1ed5i \u0111i\u1ec1u \u0111\u00f3 b\u1eb1ng c\u00e1ch nh\u1eafm tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c ch\u1ea5t r\u1eafn m\u1ecbn \u0111\u00f3.<\/p>\n

Chi ph\u00ed \u1ea9n c\u1ee7a c\u00e1c h\u1ea1t tinh t\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc<\/b><\/strong><\/h3>\n

C\u00e1c h\u1ea1t nh\u1ecf trong ch\u1ea5t l\u1ecfng qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 c\u00f3 v\u1ebb v\u00f4 h\u1ea1i. Nh\u01b0ng ch\u00fang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo th\u1eddi gian. Trong l\u1ecdc khai th\u00e1c m\u1ecf, v\u00ed d\u1ee5, ch\u1ea5t r\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ecdc c\u00f3 th\u1ec3 g\u00e2y \u00f4 nhi\u1ec5m thi\u1ebft b\u1ecb h\u1ea1 l\u01b0u, g\u00e2y m\u00e0i m\u00f2n v\u00e0 h\u1ecfng. M\u1ed9t nghi\u00ean c\u1ee9u t\u1eeb m\u1ed9t nh\u00e0 m\u00e1y ph\u1ed1t phat cho th\u1ea5y vi\u1ec7c b\u1ecf qua c\u00e1c kho\u1ea3n ph\u1ea1t n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u1ea3m 15% tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb. Chi ph\u00ed t\u0103ng v\u1ecdt v\u1edbi s\u1eeda ch\u1eefa v\u00e0 m\u1ea5t s\u1ea3n xu\u1ea5t. Trong c\u00e1c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t, c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u00f3 h\u00ecnh th\u1ee9c kh\u00e1c. Khi c\u00e1c t\u1ea1p ch\u1ea5t v\u1eabn c\u00f2n trong ch\u1ea5t l\u1ecfng qu\u00e1 tr\u00ecnh, ch\u00fang c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng kh\u00f4ng mong mu\u1ed1n, g\u00e2y \u00f4 nhi\u1ec5m c\u00e1c ch\u1ea5t x\u00fac t\u00e1c ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m h\u1ecfng to\u00e0n b\u1ed9 l\u00f4 s\u1ea3n ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb. L\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t l\u1ecdc l\u00e1 chuy\u00ean nghi\u1ec7p, NHD thi\u1ebft k\u1ebf b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng c\u1ee7a m\u00ecnh \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t si\u00eau m\u1ecbn tr\u01b0\u1edbc khi ch\u00fang g\u00e2y thi\u1ec7t h\u1ea1i. N\u00f3 ng\u0103n ch\u1eb7n ph\u1ea3n \u1ee9ng chu\u1ed7i c\u1ee7a c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m b\u1ecb b\u1ecf qua. \u0110i t\u1eeb chi ph\u00ed sang l\u1ee3i \u00edch, h\u00e3y xem \u0111\u1ed9 ch\u00ednh x\u00e1c thay \u0111\u1ed5i tr\u00f2 ch\u01a1i nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

L\u1ecdc tinh th\u1ec3 r\u00f5 r\u00e0ng v\u1edbi l\u1ecdc ch\u00ednh x\u00e1c<\/b><\/strong><\/h3>\n

\u0110\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t ch\u1ea5t l\u1ecdc kh\u00f4ng \u0111\u1ed1m l\u00e0 m\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc m\u1ecbn - v\u00e0 \u00edt ng\u01b0\u1eddi l\u00e0m \u0111i\u1ec1u \u0111\u00f3 t\u1ed1t h\u01a1n m\u1ed9t b\u1ed9 l\u1ecdc l\u00e1 d\u1ecdc. Thi\u1ebft k\u1ebf ti\u00ean ti\u1ebfn c\u1ee7a NHD s\u1eed d\u1ee5ng c\u00e1c l\u1edbp v\u1ea3i \u0111\u1ec3 b\u1eaft ngay c\u1ea3 c\u00e1c h\u1ea1t nh\u1ecf nh\u1ea5t. L\u1ecdc v\u1edbi m\u1ee9c \u0111\u1ed9 tinh khi\u1ebft tr\u00ean 99% trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p. Trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t<\/b><\/strong>\u0110i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m s\u1ea1ch h\u01a1n s\u1eb5n s\u00e0ng cho s\u1eed d\u1ee5ng h\u1ea1 l\u01b0u ho\u1eb7c b\u00e1n tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u00e1nh b\u00f3ng ho\u1eb7c t\u00e1i ch\u1ebf c\u00e1c b\u01b0\u1edbc. Trong ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf<\/b><\/strong>, c\u00f3 ngh\u0129a l\u00e0 ch\u1ea5t l\u1ecfng qu\u00e1 tr\u00ecnh tinh th\u1ec3 r\u00f5 r\u00e0ng c\u00f3 th\u1ec3 an to\u00e0n t\u00e1i ch\u1ebf<\/b><\/strong>Gi\u1ea3m ti\u00eau th\u1ee5 n\u01b0\u1edbc ng\u1ecdt b\u1eb1ng l\u00ean \u0111\u1ebfn 20%<\/b><\/strong>\u00a0C\u1eaft gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh t\u1ed5ng th\u1ec3. \u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t l\u00ean \u0111\u1ebfn 1,0 MPa, b\u1ed9 l\u1ecdc l\u00e1 d\u1ecdc c\u1ee7a NHD ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh \u0111\u00f2i h\u1ecfi nh\u1ea5t. K\u1ebft qu\u1ea3 kh\u00f4ng ch\u1ec9 l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng v\u00ec l\u1ee3i \u00edch c\u1ee7a ch\u00ednh n\u00f3 - \u0111\u00f3 l\u00e0 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a nh\u1eefng g\u00ec t\u1eebng l\u00e0 l\u00e3ng ph\u00ed th\u00e0nh\u00a0t\u00e0i nguy\u00ean c\u00f3 gi\u00e1 tr\u1ecb, t\u00e1i s\u1eed d\u1ee5ng<\/b><\/strong>\u00a0\u0111i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y c\u1ea3 s\u1ef1 b\u1ec1n v\u1eefng v\u00e0 l\u1ee3i nhu\u1eadn.<\/p>\n

T\u1eeb ch\u1ea5t th\u1ea3i \u0111\u1ebfn gi\u00e1 tr\u1ecb: Ph\u1ee5c h\u1ed3i ch\u1ea5t r\u1eafn hi\u1ec7u qu\u1ea3<\/b><\/strong><\/h3>\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi c\u00e1c ch\u1ea5t r\u1eafn b\u1ecb b\u1eaft? Trong b\u1ed9 l\u1ecdc l\u00e1 t\u1ef1 \u0111\u1ed9ng, ch\u00fang t\u1ea1o th\u00e0nh m\u1ed9t b\u00e1nh d\u1ec5 ph\u1ee5c h\u1ed3i. Thay v\u00ec lo\u1ea1i b\u1ecf n\u00f3, b\u1ea1n thu h\u1ed3i l\u1ea1i c\u00e1c v\u1eadt li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb. \u0110\u1ed1i v\u1edbi l\u1ecdc khai th\u00e1c m\u1ecf, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 k\u00e9o kim lo\u1ea1i ra kh\u1ecfi r\u00e1c th\u1ea3i, t\u0103ng n\u0103ng su\u1ea5t 10-15%. H\u00f3a ch\u1ea5t c\u0169ng c\u00f3 l\u1ee3i - c\u00e1c s\u1eafc t\u1ed1 ho\u1eb7c ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i tr\u1edf l\u1ea1i s\u1ea3n xu\u1ea5t. H\u1ec7 th\u1ed1ng c\u1ee7a NHD t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c x\u1ea3, v\u00ec v\u1eady kh\u00f4ng c\u00f3 vi\u1ec7c c\u1ea1o tay. C\u00e1c ch\u1ea5t r\u1eafn \u0111\u1ecbnh c\u01b0 \u1edf \u0111\u00e1y n\u00f3n sau khi r\u1eeda tr\u1edf l\u1ea1i, s\u1eb5n s\u00e0ng cho chu k\u1ef3 ti\u1ebfp theo. \u0110\u00f3 l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 bi\u1ebfn l\u1ecdc t\u1eeb m\u1ed9t trung t\u00e2m chi ph\u00ed th\u00e0nh m\u1ed9t tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n gi\u00e1 tr\u1ecb.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u00e0n to\u00e0n \u0111\u00f3ng k\u00edn \u0111\u1ec3 an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh<\/b><\/strong><\/h2>\n

H\u1ec7 th\u1ed1ng m\u1edf ti\u1ebfp x\u00fac v\u1eadt li\u1ec7u v\u1edbi kh\u00f4ng kh\u00ed, m\u1ea5t nhi\u1ec7t v\u00e0 r\u00f2 r\u1ec9. Trong h\u00f3a ch\u1ea5t v\u00e0 khai th\u00e1c m\u1ecf, \u0111i\u1ec1u \u0111\u00f3 g\u00e2y r\u1eafc r\u1ed1i. Thi\u1ebft k\u1ebf l\u1ecdc l\u00e1 k\u00edn c\u1ee7a NHD gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch gi\u1eef cho m\u1ed7i giai \u0111o\u1ea1n l\u1ecdc \u0111\u01b0\u1ee3c ch\u1ee9a an to\u00e0n.<\/p>\n

\"B\u1ed9<\/p>\n