{"id":108353,"date":"2021-07-28T10:19:30","date_gmt":"2021-07-28T02:19:30","guid":{"rendered":"https:\/\/www.alpapowder.com\/108353\/"},"modified":"2021-07-29T13:43:40","modified_gmt":"2021-07-29T05:43:40","slug":"de-nghien-sieu-min-khoang-phi-kim-loai-viec-lua-chon-thiet-bi-nghien-la-rat-quan-trong","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/108353\/","title":{"rendered":"\u0110\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn kho\u00e1ng phi kim lo\u1ea1i, vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n l\u00e0 r\u1ea5t quan tr\u1ecdng"},"content":{"rendered":"

\u0110\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn kho\u00e1ng phi kim lo\u1ea1i, m\u1ed9t l\u00e0 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 n\u00e2ng cao \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m; hai l\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. Trong qu\u00e1 tr\u00ecnh gi\u1ea3m c\u1ee1 h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m, vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n l\u00e0 r\u1ea5t quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng kho\u00e1ng, gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf.<\/p>\n

\"\"<\/p>\n

\u0110\u1ed1i m\u1eb7t v\u1edbi qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb m\u00e0i tr\u00ean th\u1ecb tr\u01b0\u1eddng, c\u00e1c c\u00f4ng ty khai th\u00e1c phi kim lo\u1ea1i th\u01b0\u1eddng c\u1ea7n xem x\u00e9t c\u00e1c kh\u00eda c\u1ea1nh sau khi l\u1ef1a ch\u1ecdn:<\/p>\n

    \n
  1. \u0111\u1ed9 c\u1ee9ng nguy\u00ean li\u1ec7u<\/strong><\/li>\n<\/ol>\n

    \u0110\u1ed9 c\u1ee9ng c\u1ee7a nguy\u00ean li\u1ec7u l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb, n\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ea7u t\u01b0 tr\u00ean nhi\u1ec1u ph\u01b0\u01a1ng di\u1ec7n nh\u01b0 thi\u1ebft b\u1ecb m\u00e1y t\u00ednh l\u1edbn, thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3, v\u1ed1n \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n, chi ph\u00ed v\u1eadn h\u00e0nh, v.v.<\/p>\n

    N\u1ebfu nh\u00e0 m\u00e1y Raymond \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf bi\u1ebfn b\u1ed9t th\u1ea1ch anh si\u00eau m\u1ecbn, th\u00ec c\u1ea7n ph\u1ea3i c\u00f3 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u00e1p (th\u1ee7y l\u1ef1c ho\u1eb7c c\u01a1 h\u1ecdc) \u0111\u1ec3 t\u1ea1o \u00e1p su\u1ea5t \u0111\u1ee7 l\u1edbn \u0111\u1ec3 nghi\u1ec1n. Vi\u1ec7c t\u0103ng \u00e1p su\u1ea5t l\u00e0m t\u0103ng chi ph\u00ed ch\u1ebf t\u1ea1o v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a con l\u0103n m\u00e0i v\u00e0 \u0111\u0129a m\u00e0i. Hi\u1ec7u su\u1ea5t gi\u1ea3m \u0111\u00e1ng k\u1ec3, t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u00e1p t\u0103ng l\u00ean, v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 t\u1eaft thi\u1ebft b\u1ecb t\u0103ng m\u1ea1nh.<\/p>\n

      \n
    1. \u0110\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t<\/strong><\/li>\n<\/ol>\n

      K\u00edch th\u01b0\u1edbc h\u1ea1t s\u1ea3n ph\u1ea9m, s\u1ef1 ph\u00e2n b\u1ed1 v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t s\u1ea3n ph\u1ea9m l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 ti\u00eau c\u01a1 b\u1ea3n v\u00e0 quan tr\u1ecdng nh\u1ea5t trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m kho\u00e1ng phi kim lo\u1ea1i. \u0110\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee1 h\u1ea1t ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i, v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n.<\/p>\n

      N\u1ebfu nguy\u00ean li\u1ec7u th\u00f4 l\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i d\u01b0\u1edbi \u0111\u1ed9 c\u1ee9ng trung b\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9t talc, \u0111\u00e1 c\u1ea9m th\u1ea1ch, cao lanh, bentonit, fenspat, v.v., \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0o kho\u1ea3ng 104-38\u03bcm (150-400 mesh), v\u00e0 nh\u00e0 m\u00e1y Raymond ho\u1eb7c C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n d\u00f2ng \u0111i\u1ec7n xo\u00e1y, M\u00e1y nghi\u1ec1n \u0111\u1ee9ng, m\u00e1y nghi\u1ec1n b\u00faa, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n con l\u0103n, v.v. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng c\u1ea7n l\u1eafp th\u00eam b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed.<\/p>\n

      N\u1ebfu \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m d\u01b0\u1edbi 38\u03bcm (tr\u00ean 400 mesh), ngo\u00e0i vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n h\u1ea1t m\u1ecbn, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y nghi\u1ec1n Raymond, m\u00e1y nghi\u1ec1n \u0111\u1ee9ng, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n quay, v.v., b\u1ea1n c\u0169ng c\u1ea7n ph\u1ea3i ch\u1ecdn b\u1ed9 ph\u00e2n lo\u1ea1i lu\u1ed3ng kh\u00f4ng kh\u00ed v\u00e0 M\u00e1y nghi\u1ec1n ph\u00f9 h\u1ee3p, n\u1ebfu kh\u00f4ng s\u1ebd kh\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 m\u1ecbn v\u00e0 ph\u00e2n c\u1ea5p c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

      Khi l\u1ef1a ch\u1ecdn m\u00e1y ph\u00e2n lo\u1ea1i, ngo\u00e0i vi\u1ec7c xem x\u00e9t \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m, hi\u1ec7u su\u1ea5t ph\u00e2n lo\u1ea1i v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m, c\u0169ng c\u1ea7n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00e1y nghi\u1ec1n v\u1ec1 c\u00f4ng su\u1ea5t x\u1eed l\u00fd v\u00e0 ti\u00eau th\u1ee5 kh\u00f4ng kh\u00ed.<\/p>\n

      \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 graphit, talc, cao lanh, wollastonite, v.v., vi\u1ec7c duy tr\u00ec h\u00ecnh d\u1ea1ng h\u1ea1t d\u1ea1ng v\u1ea3y ho\u1eb7c d\u1ea1ng kim gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng v\u00e0 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng. Do \u0111\u00f3, khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n c\u00e1c kho\u00e1ng ch\u1ea5t n\u00e0y, h\u00ecnh d\u1ea1ng h\u1ea1t c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n

      V\u00ed d\u1ee5: n\u1ebfu s\u1ea3n ph\u1ea9m b\u1ed9t si\u00eau m\u1ecbn y\u00eau c\u1ea7u h\u00ecnh d\u1ea1ng c\u1ee7a m\u1ed9t kh\u1ed1i \u0111a gi\u00e1c, th\u00ec ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n n\u00ean \u0111\u01b0\u1ee3c tr\u00e1nh c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn v\u00e0 n\u00ean ch\u1ecdn thi\u1ebft b\u1ecb t\u1ea1o ra hi\u1ec7u \u1ee9ng \u0111\u00f9n v\u00e0 t\u00e1c \u0111\u1ed9ng th\u00edch h\u1ee3p, v\u00e0 t\u1ed1t h\u01a1n l\u00e0 \u0111\u01b0\u1ee3c nghi\u1ec1n trong nhi\u1ec1u giai \u0111o\u1ea1n.<\/p>\n

      Kh\u00f4ng th\u1ec3 gia c\u00f4ng c\u00e1c lo\u1ea1i b\u1ed9t si\u00eau m\u1ecbn c\u00f3 y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ea7u cao b\u1eb1ng va \u0111\u1eadp t\u1ed1c \u0111\u1ed9 cao, v\u00ec c\u00e1c h\u1ea1t c\u00f3 \u0111\u1ed9 c\u1ea7u cao c\u1ea7n ph\u1ea3i c\u00f3 ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng nghi\u1ec1n.<\/p>\n

      Vi\u1ec7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb n\u00e0o \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 m\u1ecbn v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t, xay m\u1ed9t giai \u0111o\u1ea1n hay xay nhi\u1ec1u giai \u0111o\u1ea1n, t\u1ef7 l\u1ec7 nghi\u1ec1n h\u1ee3p l\u00fd cho m\u1ed7i l\u1ea7n nghi\u1ec1n … \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn t\u1ed5ng m\u1ee9c \u0111\u1ea7u t\u01b0.<\/p>\n

        \n
      1. \u0110\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong><\/li>\n<\/ol>\n

        Nhi\u1ec1u \u1ee9ng d\u1ee5ng h\u1ea1 ngu\u1ed3n c\u00f3 c\u00e1c y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi oxit kim lo\u1ea1i nh\u01b0 oxit s\u1eaft v\u00e0 oxit titan v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 v\u1ec1 \u0111\u1ed9 tr\u1eafng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t kho\u00e1ng phi kim lo\u1ea1i. V\u00ec v\u1eady, x\u1eed l\u00fd t\u1ea1p ch\u1ea5t l\u00e0 kh\u00f3 kh\u0103n l\u1edbn nh\u1ea5t trong ch\u1ebf bi\u1ebfn kho\u00e1ng phi kim lo\u1ea1i, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 kh\u00f3 gi\u1ea3i quy\u1ebft trong t\u1ed5ng m\u1ee9c \u0111\u1ea7u t\u01b0. v\u1ea5n \u0111\u1ec1.<\/p>\n

        Khi l\u1ef1a ch\u1ecdn m\u00e1y xay v\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i, ph\u1ea3i xem x\u00e9t \u0111\u1ed9 hao m\u00f2n v\u00e0 ch\u1ea5t li\u1ec7u c\u1ee7a thi\u1ebft b\u1ecb. N\u1ebfu c\u1ea7n, ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p c\u00e1ch ly nghi\u00eam ng\u1eb7t \u1edf t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00e1ch ly, thi\u1ebft b\u1ecb, v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 chi ph\u00ed c\u1ee7a ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 nh\u1ecf, v\u00e0 t\u1ea5t c\u1ea3 ch\u00fang \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t c\u1ea9n th\u1eadn.<\/p>\n

          \n
        1. S\u1ea3n ph\u1ea9m \u0111a d\u1ea1ng v\u00e0 s\u1ea3n l\u01b0\u1ee3ng<\/strong><\/li>\n<\/ol>\n

          N\u1ebfu c\u00f3 th\u1ec3, t\u1ed1t nh\u1ea5t n\u00ean s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t theo quy tr\u00ecnh (quy tr\u00ecnh), y\u00eau c\u1ea7u so s\u00e1nh c\u00e1c thi\u1ebft b\u1ecb nghi\u1ec1n t\u00f9y ch\u1ecdn c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 tr\u00ean c\u01a1 s\u1edf so s\u00e1nh, l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb quy m\u00f4 l\u1edbn c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u1ea7u ra. c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t. B\u1edfi v\u00ec nh\u00ecn chung, c\u00e0ng \u00edt d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t th\u00ec c\u00e0ng thu\u1eadn ti\u1ec7n cho vi\u1ec7c qu\u1ea3n l\u00fd. So v\u1edbi nhi\u1ec1u thi\u1ebft b\u1ecb nh\u1ecf, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01a1n v\u1ecb v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb l\u1edbn th\u1ea5p h\u01a1n.<\/p>\n

          Ngo\u00e0i ra, n\u1ebfu c\u00f3 nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m v\u00e0 kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng lu\u00e2n phi\u00ean m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1eadp v\u00e0 ch\u1ebf bi\u1ebfn c\u00f9ng m\u1ed9t l\u00fac, th\u00ec c\u1ea7n ph\u1ea3i xem x\u00e9t nhi\u1ec1u (b\u1ed9) thi\u1ebft b\u1ecb x\u1eed l\u00fd.<\/p>\n

            \n
          1. Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m<\/strong><\/li>\n<\/ol>\n

            N\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m. V\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 thi\u1ebft b\u1ecb, ch\u00fang ta c\u00f3 th\u1ec3 xem x\u00e9t c\u1ea3 \u0111\u1eb7c t\u00ednh s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ed9t kho\u00e1ng phi kim lo\u1ea1i si\u00eau m\u1ecbn v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng kho\u00e1ng ch\u1ea5t.<\/p>\n

            Ba y\u1ebfu t\u1ed1 c\u00f3 li\u00ean quan:
            \nT\u00ednh ch\u1ea5t kho\u00e1ng v\u00e0 t\u1ef7 l\u1ec7 nghi\u1ec1n, ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n v\u00e0 t\u1ef7 l\u1ec7 nghi\u1ec1n, ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

              \n
            1. Chi ph\u00ed v\u1eadn h\u00e0nh<\/strong><\/li>\n<\/ol>\n

              Chi ph\u00ed v\u1eadn h\u00e0nh th\u01b0\u1eddng b\u1ecb c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 b\u1ecf qua. Theo c\u1ea5u t\u1ea1o h\u1ec7 th\u1ed1ng v\u00e0 nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a thi\u1ebft b\u1ecb, t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn hao m\u00f2n, v\u1eadt li\u1ec7u ti\u00eau hao v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec3u chi ti\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0: \u0111\u1ed9 tin c\u1eady, tu\u1ed5i th\u1ecd, chi ph\u00ed, th\u1eddi gian b\u1ea3o tr\u00ec, ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf, m\u1ee9c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng h\u00f3a, ki\u1ebfn \u200b\u200bth\u1ee9c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh, vv, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ef1 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb v\u00e0 t\u00ednh to\u00e1n chi ph\u00ed \u0111\u1ea7u t\u01b0.<\/p>\n

              V\u00ed d\u1ee5, c\u00e1c th\u00e0nh ph\u1ea7n v\u00f2i phun v\u00e0 ngu\u1ed3n cung c\u1ea5p kh\u00ed s\u1ea1ch trong m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea v\u00e0 t\u00ednh to\u00e1n c\u1ee5 th\u1ec3. Vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n ngu\u1ed3n kh\u00f4ng kh\u00ed s\u1ea1ch s\u1ebd l\u00e0m t\u0103ng r\u1ea5t nhi\u1ec1u chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n

                \n
              1. \u0110\u1ea7u t\u01b0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/strong><\/li>\n<\/ol>\n

                Chi ph\u00ed x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a thi\u1ebft b\u1ecb, nh\u01b0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u c\u1ee7a n\u1ec1n \u0111\u00e0o, vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 qu\u1ea3n l\u00fd n\u1ec1n ch\u1ecbu l\u1ef1c, di\u1ec7n t\u00edch chi\u1ebfm d\u1ee5ng, chi\u1ec1u cao v\u00e0 nh\u1ecbp c\u1ee7a nh\u00e0 m\u00e1y, v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. V\u00ed d\u1ee5: ngu\u1ed3n cung c\u1ea5p ban \u0111\u1ea7u c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u00e1y n\u00e9n thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t, v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u01a1 b\u1ea3n c\u1ee7a n\u00f3 l\u00e0 chi ph\u00ed cao. T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y khi\u1ebfn c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 ph\u1ea3i c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n

                \u0110\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn kho\u00e1ng phi kim lo\u1ea1i trong th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t, ch\u00fang ta n\u00ean c\u1ed1 g\u1eafng h\u1ebft s\u1ee9c \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 \u00e1p d\u1ee5ng m\u1ed9t quy tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a h\u1ee3p l\u00fd. Qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec1 xu\u1ea5t v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb c\u01a1 kh\u00ed. Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 quy tr\u00ecnh Thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft. Thi\u1ebft b\u1ecb phi ti\u00eau chu\u1ea9n t\u00f9y ch\u1ec9nh n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m t\u1ed1t nh\u1ea5t v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf. M\u1eb7c d\u00f9 chi ph\u00ed \u0111\u1ea7u t\u01b0 c\u00f3 t\u0103ng l\u00ean m\u1ed9t ch\u00fat, nh\u01b0ng l\u1ee3i \u00edch chung v\u01b0\u1ee3t xa k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb.<\/p>\n

                L\u00f9i l\u1ea1i m\u1ed9t b\u01b0\u1edbc, thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t n\u00ean \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ri\u00eang c\u1ee7a h\u1ecd, v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng thay \u0111\u1ed5i \u0111\u1ec3 th\u00edch \u1ee9ng v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n. L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t l\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c th\u00f4ng s\u1ed1 theo quy tr\u00ecnh v\u00e0 \u0111\u1ec3 nh\u00e0 s\u1ea3n xu\u1ea5t cung c\u1ea5p m\u1ed9t b\u1ed9 thi\u1ebft b\u1ecb ho\u00e0n ch\u1ec9nh, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c t\u1ed1t nh\u1ea5t v\u00e0 nh\u1eefng l\u1ee3i \u00edch c\u1ee7a s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

                \u0110\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn kho\u00e1ng phi kim lo\u1ea1i, m\u1ed9t l\u00e0 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 n\u00e2ng cao \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m; hai l\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. Trong qu\u00e1 tr\u00ecnh gi\u1ea3m c\u1ee1 h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m, vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nghi\u1ec1n l\u00e0 r\u1ea5t quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng kho\u00e1ng, gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf.<\/p>\n","protected":false},"author":6,"featured_media":108329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[428],"tags":[],"class_list":["post-108353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-ty"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/108353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=108353"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/108353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/108329"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=108353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=108353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=108353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}