{"id":108937,"date":"2021-08-07T17:33:02","date_gmt":"2021-08-07T09:33:02","guid":{"rendered":"https:\/\/www.alpapowder.com\/108937\/"},"modified":"2021-08-07T17:33:02","modified_gmt":"2021-08-07T09:33:02","slug":"xem-may-nghien-bi-tu-goc-do-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/108937\/","title":{"rendered":"Xem m\u00e1y nghi\u1ec1n bi t\u1eeb g\u00f3c \u0111\u1ed9 b\u1ed9t"},"content":{"rendered":"

Khi n\u00f3i \u0111\u1ebfn v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, b\u1ea1n ngh\u0129 \u0111\u1ebfn \u0111i\u1ec1u g\u00ec? C\u00f3 ph\u1ea3i \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean ngh\u0129 \u0111\u1ebfn l\u00e0 xi m\u0103ng! Quy tr\u00ecnh s\u1ea3n xu\u1ea5t xi m\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft trong b\u1ed1n t\u1eeb: “hai nghi\u1ec1n v\u00e0 m\u1ed9t \u0111\u1ed1t”, t\u1ee9c l\u00e0 chu\u1ea9n b\u1ecb b\u1ed9t th\u00f4, nung clinker, nghi\u1ec1n xi m\u0103ng v\u00e0 qu\u00e1 tr\u00ecnh nghi\u1ec1n s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n bi.<\/p>\n

B\u1ea1n c\u00f3 bi\u1ebft m\u00e1y nghi\u1ec1n bi l\u00e0 g\u00ec kh\u00f4ng?<\/strong><\/h4>\n

M\u00e1y nghi\u1ec1n bi l\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 y\u1ebfu \u0111\u1ec3 nghi\u1ec1n nguy\u00ean li\u1ec7u sau khi nghi\u1ec1n. M\u00e1y nghi\u1ec1n bi l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i m\u00e1y m\u00e0i c\u00f3 \u0111\u1ed9 m\u1ecbn cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. N\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 nghi\u1ec1n c\u00e1c lo\u1ea1i qu\u1eb7ng kh\u00e1c nhau v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ebf bi\u1ebfn kho\u00e1ng s\u1ea3n, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n

T\u1ea1i sao n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n “bi”, v\u00e0 “bi” c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/strong><\/h4>\n

Qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u1eadt li\u1ec7u b\u1eb1ng m\u00e1y nghi\u1ec1n bi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd ph\u01b0\u01a1ng ti\u1ec7n nghi\u1ec1n. C\u01a1 ch\u1ebf truy\u1ec1n d\u1eabn truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc \u0111\u1ebfn v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00f4ng qua c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc kh\u00e1c nhau \u0111\u01b0\u1ee3c t\u1ea1o ra gi\u1eefa v\u1eadt li\u1ec7u nghi\u1ec1n. V\u1eadt li\u1ec7u nghi\u1ec1n trong m\u00e1y nghi\u1ec1n ch\u1ee7 y\u1ebfu l\u00e0 bi th\u00e9p (th\u00e9p h\u00ecnh) n\u00ean \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n bi.<\/p>\n

\"\"<\/p>\n

C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y nghi\u1ec1n bi l\u00e0 g\u00ec?<\/strong><\/h4>\n

M\u00e1y nghi\u1ec1n bi \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1edfi m\u1ed9t t\u1ea5m l\u00f3t, m\u1ed9t t\u1ea5m ng\u0103n, m\u1ed9t xi lanh, m\u1ed9t h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, m\u1ed9t thi\u1ebft b\u1ecb c\u1ea5p v\u00e0 x\u1ea3, v\u00e0 m\u1ed9t \u1ed5 tr\u1ee5c ch\u00ednh.<\/p>\n

Tr\u1ea1ng th\u00e1i c\u1ee7a c\u01a1 th\u1ec3 m\u00e0i l\u00e0 g\u00ec?<\/strong><\/h4>\n

Lo\u1ea1i r\u00f2 r\u1ec9: t\u1ed1c \u0111\u1ed9 qu\u00e1 ch\u1eadm, kh\u00f4ng \u0111\u01b0a \u0111\u01b0\u1ee3c th\u00e2n m\u00e0i l\u00ean \u0111\u1ed9 cao th\u00edch h\u1ee3p, ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng m\u00e0i v\u1eadt li\u1ec7u, l\u1ef1c va \u0111\u1eadp r\u1ea5t nh\u1ecf.<\/p>\n

Ki\u1ec3u n\u00e9m: t\u1ed1c \u0111\u1ed9 v\u1eeba ph\u1ea3i, \u0111\u01b0a v\u1eadt m\u00e0i l\u00ean m\u1ed9t \u0111\u1ed9 cao nh\u1ea5t \u0111\u1ecbnh r\u1ed3i r\u01a1i theo chuy\u1ec3n \u0111\u1ed9ng parabol, c\u00f3 t\u00e1c d\u1ee5ng m\u00e0i v\u00e0 t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt li\u1ec7u l\u1edbn h\u01a1n.<\/p>\n

Lo\u1ea1i chu vi: t\u1ed1c \u0111\u1ed9 qu\u00e1 nhanh, th\u00e2n m\u00e0i v\u00e0 v\u1eadt li\u1ec7u \u00e1p s\u00e1t v\u00e0o th\u00e0nh tr\u1ee5 kh\u00f4ng b\u1ecb r\u01a1i, th\u00e2n m\u00e0i kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng m\u00e0i v\u00e0 va \u0111\u1eadp v\u1eadt li\u1ec7u.<\/p>\n

\"\"<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u1ed9t c\u01a1 th\u1ec3 m\u00e0i?<\/strong><\/h4>\n
    \n
  • S\u1ed1 l\u01b0\u1ee3ng<\/strong><\/li>\n<\/ul>\n

    S\u1ed1 l\u01b0\u1ee3ng c\u00e0ng nh\u1ecf th\u00ec t\u1ed1c \u0111\u1ed9 quay c\u1ee7a xi lanh c\u00e0ng cao v\u00e0 hi\u1ec7u qu\u1ea3 nghi\u1ec1n c\u00e0ng nh\u1ecf; ng\u01b0\u1ee3c l\u1ea1i, t\u1ed1c \u0111\u1ed9 quay c\u1ee7a xilanh c\u00e0ng th\u1ea5p th\u00ec hi\u1ec7u qu\u1ea3 m\u00e0i c\u00e0ng l\u1edbn.<\/p>\n

      \n
    • K\u00edch th\u01b0\u1edbc h\u1ea1t<\/strong><\/li>\n<\/ul>\n

      N\u00f3i chung, ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh <15mm l\u00e0 th\u00edch h\u1ee3p. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y quy m\u00f4 l\u1edbn, do kh\u1ea3 n\u0103ng nghi\u1ec1n m\u1ea1nh n\u00ean k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0o c\u00f3 th\u1ec3 t\u0103ng l\u00ean 25-30mm. Tuy nhi\u00ean, c\u1ee1 h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0o nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n li\u1ec7u l\u1edbn c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 100mm, do \u0111\u00f3 c\u1ee1 h\u1ea1t c\u1ee5 th\u1ec3 c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0o nghi\u1ec1n c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u00f9y theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/p>\n

        \n
      • K\u00edch th\u01b0\u1edbc<\/strong><\/li>\n<\/ul>\n

        \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n ho\u1eb7c c\u1ee9ng h\u01a1n, k\u00edch th\u01b0\u1edbc trung b\u00ecnh c\u1ee7a th\u00e2n nghi\u1ec1n l\u1edbn, s\u1ed1 l\u01b0\u1ee3ng \u00edt; ng\u01b0\u1ee3c l\u1ea1i, k\u00edch th\u01b0\u1edbc trung b\u00ecnh c\u1ee7a th\u00e2n m\u00e0i nh\u1ecf v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>\n

        C\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ph\u01b0\u01a1ng ti\u1ec7n m\u00e0i l\u00e0 g\u00ec?<\/strong><\/h4>\n
          \n
        • M\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n<\/strong><\/li>\n<\/ul>\n

          M\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u ph\u01b0\u01a1ng ti\u1ec7n nghi\u1ec1n kh\u00e1c nhau \u0111\u01b0\u01a1ng nhi\u00ean s\u1ebd kh\u00e1c nhau r\u1ea5t nhi\u1ec1u. Cho \u0111\u1ebfn nay, t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u1eb1m trong kho\u1ea3ng 2,2 ~ 14gcm2. Ng\u01b0\u1eddi ta th\u01b0\u1eddng tin r\u1eb1ng m\u1eadt \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a m\u00f4i tr\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 nh\u1edbt c\u1ee7a b\u00f9n.<\/p>\n

            \n
          • K\u00edch th\u01b0\u1edbc ph\u01b0\u01a1ng ti\u1ec7n<\/strong><\/li>\n<\/ul>\n

            K\u00edch th\u01b0\u1edbc v\u1eeba ph\u1ea3i nh\u1ecf, \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a b\u00f3ng v\u1eeba nhi\u1ec1u, v\u1eeba c\u00f3 nhi\u1ec1u c\u01a1 h\u1ed9i \u0111\u1ec3 m\u00e0i v\u1eadt li\u1ec7u. N\u00f3i chung, k\u00edch th\u01b0\u1edbc th\u1ee9c \u0103n ch\u0103n nu\u00f4i l\u00e0 nh\u1ecf, v\u00e0 k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m c\u00e0ng m\u1ecbn, \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a m\u00f4i tr\u01b0\u1eddng c\u00e0ng nh\u1ecf.<\/p>\n

              \n
            • H\u00ecnh d\u1ea1ng ph\u01b0\u01a1ng ti\u1ec7n<\/strong><\/li>\n<\/ul>\n

              Lo\u1ea1i ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00e0ng thay \u0111\u1ed5i th\u00ec s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee1 h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c xay c\u00e0ng thu h\u1eb9p.<\/p>\n

                \n
              • H\u00ecnh d\u1ea1ng b\u00f3ng \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111\u1ed9 nh\u00e1m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh<\/strong><\/li>\n<\/ul>\n

                V\u1eadt li\u1ec7u nghi\u1ec1n nh\u00e2n t\u1ea1o ch\u1ee7 y\u1ebfu l\u00e0 h\u00ecnh c\u1ea7u, v\u00e0 bi th\u00e9p c\u1ee7a m\u00e1y nghi\u1ec1n bi kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1ed1t. Khi h\u00ecnh d\u1ea1ng c\u1ee7a bi th\u00e9p k\u00e9m, chuy\u1ec3n \u0111\u1ed9ng quay b\u1ecb c\u1ea3n tr\u1edf, kh\u00f4ng c\u00f3 l\u1ee3i cho qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t, ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed9 m\u00f2n s\u1ebd t\u0103ng l\u00ean.<\/p>\n

                  \n
                • \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc c\u1ee7a b\u00f3ng \u0111i\u1ec7n m\u00f4i<\/strong><\/li>\n<\/ul>\n

                  \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a b\u00f3ng truy\u1ec1n th\u00f4ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a b\u00f3ng truy\u1ec1n th\u00f4ng \u0111\u1ec3 ch\u1ed1ng l\u1ea1i l\u1ef1c n\u00e9n v\u00e0 va \u0111\u1eadp trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng. \u0110\u1ed1i v\u1edbi bi th\u00e9p v\u00e0 bi cacbua xi m\u0103ng, nh\u1eefng v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady th\u01b0\u1eddng kh\u00f4ng t\u1ed3n t\u1ea1i, trong khi b\u00f3ng th\u1ee7y tinh v\u00e0 b\u00f3ng g\u1ed1m \u0111i\u1ec7n m\u00f4i l\u00e0 r\u1ea5t quan tr\u1ecdng. B\u00f3ng ph\u01b0\u01a1ng ti\u1ec7n m\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c m\u00e0i v\u00e0 gi\u00e1 tr\u1ecb pH \u1ed5n \u0111\u1ecbnh. V\u1eadt li\u1ec7u nghi\u1ec1n th\u01b0\u1eddng s\u1eed d\u1ee5ng oxit \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n

                  L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00e2n lo\u1ea1i m\u00e1y nghi\u1ec1n bi?<\/strong><\/h4>\n

                  Theo ph\u01b0\u01a1ng ti\u1ec7n nghi\u1ec1n, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n que v\u00e0 m\u00e1y nghi\u1ec1n s\u1ecfi; Theo h\u00ecnh d\u1ea1ng c\u1ee7a th\u00f9ng, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u00e1y nghi\u1ec1n th\u00f9ng ng\u1eafn, th\u00f9ng d\u00e0i v\u00e0 m\u00e1y nghi\u1ec1n h\u00ecnh n\u00f3n; theo ph\u01b0\u01a1ng th\u1ee9c x\u1ea3 c\u00f3 th\u1ec3 chia th\u00e0nh d\u1ee1 \u0111u\u00f4i, Ph\u1ea7n gi\u1eefa d\u1ee1 m\u00e0i; theo ch\u1ebf \u0111\u1ed9 quay, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh quay trung t\u00e2m v\u00e0 xoay c\u1ea1nh; Theo quy tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u00e1y nghi\u1ec1n kh\u00f4 v\u00e0 m\u00e1y nghi\u1ec1n \u01b0\u1edbt.<\/p>\n

                  \u01afu nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00e1y nghi\u1ec1n bi l\u00e0 g\u00ec?<\/strong><\/h4>\n
                    \n
                  • Thu\u1eadn l\u1ee3i<\/strong><\/li>\n<\/ul>\n

                    Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng m\u1ea1nh v\u1edbi v\u1eadt li\u1ec7u; t\u1ef7 l\u1ec7 nghi\u1ec1n l\u1edbn; c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh kh\u00f4 ho\u1eb7c \u01b0\u1edbt, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh s\u1ea5y v\u00e0 nghi\u1ec1n; c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, t\u1ef7 l\u1ec7 ho\u1ea1t \u0111\u1ed9ng cao, ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady.<\/p>\n

                      \n
                    • S\u1ef1 thi\u1ebfu s\u00f3t<\/strong><\/li>\n<\/ul>\n

                      Hi\u1ec7u su\u1ea5t nghi\u1ec1n th\u1ea5p v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u1ea5p; thi\u1ebft b\u1ecb n\u1eb7ng v\u00e0 \u0111\u1ea7u t\u01b0 m\u1ed9t l\u1ea7n l\u1edbn; ti\u1ebfng \u1ed3n l\u1edbn v\u00e0 rung \u0111\u1ed9ng m\u1ea1nh; t\u1ed1c \u0111\u1ed9 th\u1ea5p c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb gi\u1ea3m t\u1ed1c.<\/p>\n

                      C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y nghi\u1ec1n bi l\u00e0 g\u00ec?<\/strong><\/h4>\n

                      D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t th\u1ee5 h\u01b0\u1edfng trong c\u00f4ng nghi\u1ec7p th\u1ee5 h\u01b0\u1edfng, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng m\u1edbi trong c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n b\u00f3n v\u00e0 silicat trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n

                      B\u1ea3n t\u00f3m t\u1eaft<\/strong><\/h4>\n

                      N\u00f3i chung, th\u1eddi gian xay x\u00e1t c\u00e0ng d\u00e0i th\u00ec vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng \u00edt r\u00f5 r\u00e0ng. Phay bi th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ea1t 1-10\u03bcm, v\u00e0 nghi\u1ec1n bi khu\u1ea5y tu\u1ea7n ho\u00e0n c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng 1\u03bcm. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1t \u1edf c\u1ea5p \u0111\u1ed9 nanomet, c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t m\u00e1y nghi\u1ec1n bi si\u00eau m\u1ecbn, v\u00e0 c\u1ef1c \u0111\u1ea1i c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u00e0ng ch\u1ee5c nanomet.<\/p>\n

                      Theo d\u1eef li\u1ec7u, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a m\u1ed9t s\u1ed1 m\u00e1y nghi\u1ec1n bi n\u0103ng l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng 1 micron, v\u00e0 gi\u1edbi h\u1ea1n c\u1ee7a m\u1ee9c d\u01b0\u1edbi micron l\u00e0 kho\u1ea3ng 500nm. S\u1eed d\u1ee5ng phay bi h\u00e0nh tinh, phay bi c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng 70nm trong 48h, nh\u01b0ng n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a b\u1ed9t. Trong s\u1ed1 \u0111\u00f3, t\u1ef7 l\u1ec7 b\u00f3ng tr\u00ean v\u1eadt li\u1ec7u, trung b\u00ecnh, v.v. s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 phay b\u00f3ng. \u0110\u1ed3ng th\u1eddi, c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 k\u1ebft t\u1ee5 khi m\u00e0i \u0111\u1ebfn m\u1ee9c nanomet.<\/p>\n

                      Trong l\u0129nh v\u1ef1c nghi\u1ec1n m\u1ecbn, nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u d\u1ea1ng h\u1ea1t ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, t\u1ea1o c\u01a1 h\u1ed9i tuy\u1ec7t v\u1eddi cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y nghi\u1ec1n bi. V\u1edbi vi\u1ec7c kh\u00f4ng ng\u1eebng c\u1ea3i c\u00e1ch v\u00e0 m\u1edf c\u1eeda s\u00e2u r\u1ed9ng, ng\u00e0nh c\u00f4ng nghi\u1ec7p nghi\u1ec1n bi trong n\u01b0\u1edbc \u0111ang h\u1ed3i sinh tr\u1edf l\u1ea1i trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Tr\u00ean c\u01a1 s\u1edf \u0111\u00fac k\u1ebft c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn c\u1ee7a n\u01b0\u1edbc ngo\u00e0i, Trung Qu\u1ed1c \u0111ang h\u01b0\u1edbng t\u1edbi c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t bi quy m\u00f4 l\u1edbn.<\/p>\n

                       <\/p>\n

                      Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"

                      M\u00e1y nghi\u1ec1n bi l\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 y\u1ebfu \u0111\u1ec3 nghi\u1ec1n nguy\u00ean li\u1ec7u sau khi nghi\u1ec1n. M\u00e1y nghi\u1ec1n bi l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i m\u00e1y m\u00e0i c\u00f3 \u0111\u1ed9 m\u1ecbn cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. N\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 nghi\u1ec1n c\u00e1c lo\u1ea1i qu\u1eb7ng kh\u00e1c nhau v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ch\u1ebf bi\u1ebfn kho\u00e1ng s\u1ea3n, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t.<\/p>\n","protected":false},"author":6,"featured_media":95499,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-108937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/108937","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=108937"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/108937\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/95499"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=108937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=108937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=108937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}