{"id":113329,"date":"2021-11-10T16:40:25","date_gmt":"2021-11-10T08:40:25","guid":{"rendered":"https:\/\/www.alpapowder.com\/113329\/"},"modified":"2021-11-10T16:40:25","modified_gmt":"2021-11-10T08:40:25","slug":"ung-dung-cua-chat-don-vo-co-trong-nganh-son-phu-va-tinh-trang-thi-truong","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113329\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 trong ng\u00e0nh s\u01a1n ph\u1ee7 v\u00e0 t\u00ecnh tr\u1ea1ng th\u1ecb tr\u01b0\u1eddng"},"content":{"rendered":"
L\u00e0 m\u1ed9t v\u1eadt li\u1ec7u quan tr\u1ecdng, s\u01a1n ph\u1ee7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng v\u00e0 c\u00f4ng nghi\u1ec7p. Theo l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh l\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac, l\u1edbp ph\u1ee7 c\u00f4ng nghi\u1ec7p, l\u1edbp ph\u1ee7 n\u00f3i chung v\u00e0 v\u1eadt li\u1ec7u ph\u1ee5 tr\u1ee3.<\/p>\n
L\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac: l\u1edbp ph\u1ee7 t\u01b0\u1eddng, l\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m, l\u1edbp ph\u1ee7 s\u00e0n, l\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac ch\u1ee9c n\u0103ng, v.v.;<\/p>\n
S\u01a1n c\u00f4ng nghi\u1ec7p: s\u01a1n ph\u1ee7 \u00f4 t\u00f4, s\u01a1n ph\u1ee7 g\u1ed7, s\u01a1n c\u00f4ng nghi\u1ec7p nh\u1eb9, s\u01a1n h\u00e0ng h\u1ea3i, s\u01a1n ch\u1ed1ng \u0103n m\u00f2n, v.v …;<\/p>\n
V\u1eadt li\u1ec7u ph\u1ee5 v\u00e0 chung: pha s\u01a1n, vecni, men, s\u01a1n l\u00f3t, b\u1ed9t tr\u00e9t, v\u1eadt li\u1ec7u ph\u1ee5 (ch\u1ea5t pha lo\u00e3ng, ch\u1ea5t ch\u1ed1ng \u1ea9m, ch\u1ea5t l\u00e0m kh\u00f4, ch\u1ea5t \u0111\u00f3ng r\u1eafn, v.v.).<\/p>\n
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L\u00e0 v\u1eadt li\u1ec7u b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong c\u00e1c ch\u1ea5t ph\u1ee7, ch\u1ea5t \u0111\u1ed9n m\u00e0u \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n, n\u00e2ng cao v\u00e0 \u0111\u1ed5i m\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a l\u1edbp ph\u1ee7 (m\u00e0ng ph\u1ee7). C\u00e1c ch\u1ea5t m\u00e0u cho l\u1edbp ph\u1ee7 bao g\u1ed3m \u0111en carbon, \u00f4x\u00edt s\u1eaft, \u00f4x\u00edt titan, v.v. v\u00e0 ch\u1ea5t \u0111\u1ed9n c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ea5t m\u00e0u tr\u01a1, ch\u1ea5t m\u00e0u th\u1ec3 t\u00edch v\u00e0 ch\u1ea5t l\u00e0m s\u00e1ng, d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00e1c ch\u1ea5t m\u00e0u tr\u1eafng v\u00e0 kh\u00f4ng m\u00e0u kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng nhu\u1ed9m m\u00e0u v\u00e0 kh\u1ea3 n\u0103ng \u1ea9n. Theo c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m kho\u00e1ng h\u1ecdc kh\u00e1c nhau v\u00e0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u01a1 b\u1ea3n, ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh cacbonat, silicat, silica, bari sulfat v\u00e0 nh\u00f4m hydroxit.<\/p>\n
Gi\u1ea3m chi ph\u00ed: \u0110\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean b\u1eb1ng c\u00e1ch l\u1ea5p \u0111\u1ea7y, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t khung x\u01b0\u01a1ng trong l\u1edbp ph\u1ee7, l\u00e0m cho m\u00e0ng ph\u1ee7 \u0111\u1ea7y \u0111\u1eb7n v\u00e0 d\u00e0y, do \u0111\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t l\u1edbp ph\u1ee7.<\/p>\n
T\u0103ng c\u01b0\u1eddng gia t\u0103ng: Ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a l\u1edbp ph\u1ee7, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e0m \u0111\u1eb7c, ch\u1ed1ng l\u1eafng, v.v., v\u00e0 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a m\u00e0ng ph\u1ee7, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n
C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t: Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, \u00e1nh s\u00e1ng, nhi\u1ec7t, \u0111i\u1ec7n, t\u1eeb t\u00ednh v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c c\u1ee7a ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 c\u00f3 th\u1ec3 cung c\u1ea5p cho l\u1edbp ph\u1ee7 m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng.<\/p>\n
C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ch\u1ea5t \u0111\u1ed9n, v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a l\u1edbp ph\u1ee7. Trong vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111\u1ed9n, ngo\u00e0i vi\u1ec7c ch\u00fa \u00fd \u0111\u1ebfn th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc v\u00e0 d\u1ea1ng kho\u00e1ng c\u1ee7a n\u00f3, k\u00edch th\u01b0\u1edbc v\u00e0 ph\u00e2n b\u1ed1 h\u1ea1t, \u0111\u1ed9 c\u1ee9ng, gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u, t\u1ef7 l\u1ec7 co v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c c\u1ee7a ch\u1ea5t \u0111\u1ed9n c\u0169ng l\u00e0 nh\u1eefng ch\u1ec9 s\u1ed1 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n
Hi\u1ec7u su\u1ea5t c\u01a1 b\u1ea3n: s\u1eafc t\u1ed1 k\u00e9o d\u00e0i linh ho\u1ea1t nh\u1ea5t; ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc, gi\u1ea3m ph\u1ed3ng r\u1ed9p m\u00e0ng, ch\u1ed1ng n\u1ea5m m\u1ed1c v\u00e0 ch\u1ed1ng ch\u00e1y; N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m gi\u00e1 th\u00e0nh m\u00e0 c\u00f2n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t khung x\u01b0\u01a1ng, c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 h\u1ec7 th\u1ed1ng treo.<\/p>\n
C\u00e1c s\u1ea3n ph\u1ea9m canxi cacbonat t\u1ef1 nhi\u00ean ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng canxit, c\u00f3 \u0111\u1ed9 tr\u1eafng cao v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1ed9t v\u1edbi nhi\u1ec1u m\u1eaft l\u01b0\u1edbi kh\u00e1c nhau c\u1ea7n thi\u1ebft cho l\u1edbp ph\u1ee7. Canxi cacbonat t\u1ed5ng h\u1ee3p c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 canxi cacbonat nh\u1eb9 ho\u1eb7c canxi cacbonat k\u1ebft t\u1ee7a. V\u00ec c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n n\u00ean kh\u1ea3 n\u0103ng h\u00fat d\u1ea7u t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u, ki\u1ec1m d\u1ea7u nh\u1eb9. Canxi cacbonat t\u1ed5ng h\u1ee3p kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ki\u1ec1m k\u00e9m. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho l\u1edbp ph\u1ee7 t\u01b0\u1eddng n\u1ed9i th\u1ea5t g\u1ed1c n\u01b0\u1edbc trong l\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac, nh\u01b0ng do kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 gi\u1eef m\u00e0u. N\u00f3 c\u00f3 hi\u1ec7u su\u1ea5t k\u00e9m v\u00e0 hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 t\u01b0\u1eddng ngo\u1ea1i th\u1ea5t.<\/p>\n
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Hi\u1ec7u su\u1ea5t c\u01a1 b\u1ea3n: Th\u00e0nh ph\u1ea7n l\u00fd thuy\u1ebft l\u00e0 w (CaO) = 30,4%, w (MgO) = 21,7%, w (CO2) = 47,9%, th\u01b0\u1eddng ch\u1ee9a c\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 Fe, Si v\u00e0 Mn. N\u00f3 c\u00f3 \u0111\u1eb7c t\u00ednh h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 cung c\u1ea5p ngu\u1ed3n magie v\u00e0 canxi, \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t cao, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, c\u00f3 t\u00e1c d\u1ee5ng c\u00e1ch nhi\u1ec7t v\u00e0 gi\u1eef nhi\u1ec7t t\u1ed1t.<\/p>\n
B\u1ed9t Dolomite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n m\u00e0u trong ng\u00e0nh s\u01a1n ph\u1ee7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, \u0111\u1ed9 qu\u00fd hi\u1ebfm v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ecd r\u1eeda c\u1ee7a l\u1edbp ph\u1ee7. Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n b\u1ea3o v\u1ec7 c\u00f4ng nghi\u1ec7p v\u00e0 s\u01a1n h\u00e0ng h\u1ea3i.<\/p>\n
T\u00ednh n\u0103ng c\u01a1 b\u1ea3n: Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc l\u00e0 nh\u00f4m silicat ng\u1eadm n\u01b0\u1edbc, c\u00f3 \u0111\u1eb7c t\u00ednh m\u00e0u tr\u1eafng, gi\u00e1 th\u00e0nh r\u1ebb, t\u00ednh l\u01b0u \u0111\u1ed9ng v\u00e0 huy\u1ec1n ph\u00f9 t\u1ed1t, t\u00ednh tr\u01a1 h\u00f3a h\u1ecdc, kh\u1ea3 n\u0103ng bao ph\u1ee7 m\u1ea1nh, v.v …; kh\u1ea3 n\u0103ng ch\u1ed1ng \u00e1nh s\u00e1ng v\u01b0\u1ee3t tr\u1ed9i, kh\u00e1ng axit, ki\u1ec1m v\u00e0 mu\u1ed1i, v\u00e0 hi\u1ec7u qu\u1ea3 ch\u1ed1ng l\u1eafng t\u1ed1t.<\/p>\n