{"id":3767,"date":"2026-04-27T17:20:44","date_gmt":"2026-04-27T09:20:44","guid":{"rendered":"https:\/\/www.nonmetallic-ore.com\/?p=3767"},"modified":"2026-04-27T17:20:47","modified_gmt":"2026-04-27T09:20:47","slug":"ceramic-powder-mixing-equipment-a-complete-guide-to-dry-and-wet-mixing-processes-parameters-and-equipment-selection","status":"publish","type":"post","link":"https:\/\/www.nonmetallic-ore.com\/vi\/ceramic-powder-mixing-equipment-a-complete-guide-to-dry-and-wet-mixing-processes-parameters-and-equipment-selection\/","title":{"rendered":"Thi\u1ebft b\u1ecb tr\u1ed9n b\u1ed9t g\u1ed1m: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 quy tr\u00ecnh tr\u1ed9n kh\u00f4 v\u00e0 tr\u1ed9n \u01b0\u1edbt, c\u00e1c th\u00f4ng s\u1ed1 v\u00e0 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb."},"content":{"rendered":"

C\u00f4ng \u0111o\u1ea1n tr\u1ed9n l\u00e0 m\u1ed9t b\u01b0\u1edbc chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi t\u1ea1o h\u00ecnh trong s\u1ea3n xu\u1ea5t g\u1ed1m s\u1ee9 m\u00e0 th\u01b0\u1eddng d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p. B\u01b0\u1edbc tr\u1ed9n di\u1ec5n ra sau khi nghi\u1ec1n nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 tr\u01b0\u1edbc khi t\u1ea1o h\u00ecnh (\u00e9p, \u0111\u00f9n ho\u1eb7c \u0111\u00fac m\u00e0ng). S\u1ea3n ph\u1ea9m \u0111\u1ea7u ra l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t g\u1ed3m b\u1ed9t g\u1ed1m, ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft, ch\u1ea5t ph\u1ee5 gia v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh. \u0110i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng \u0111o\u1ea1n ti\u1ebfp theo. Tr\u1ed9n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn thi\u00eau k\u1ebft kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, g\u00e2y ra s\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 t\u00ednh ch\u1ea5t trong c\u00f9ng m\u1ed9t m\u1ebb s\u1ea3n ph\u1ea9m ho\u1eb7c trong to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n ho\u00e0n to\u00e0n kh\u00e1c nhau cho b\u1ed9t g\u1ed1m<\/a>: tr\u1ed9n kh\u00f4 v\u00e0 tr\u1ed9n \u01b0\u1edbt. Ch\u00fang kh\u00e1c nhau v\u1ec1 thi\u1ebft b\u1ecb, th\u00f4ng s\u1ed1 quy tr\u00ecnh, \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0 kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn sai ph\u01b0\u01a1ng ph\u00e1p cho m\u1ed9t h\u1ec7 g\u1ed1m c\u1ee5 th\u1ec3 l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t, th\u01b0\u1eddng b\u1ecb quy k\u1ebft sai cho ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n thi\u00eau k\u1ebft.<\/p>\n\n\n\n

H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb ch\u00ednh cho m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p, c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng tr\u1ed9n, v\u00e0 c\u00e1ch k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t nguy\u00ean li\u1ec7u \u2014 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp trong b\u01b0\u1edbc nghi\u1ec1n tr\u01b0\u1edbc khi tr\u1ed9n \u2014 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a b\u01b0\u1edbc tr\u1ed9n.<\/p>\n\n\n\n

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B\u1ed9t g\u1ed1m<\/figcaption><\/figure>\n\n\n\n

Thi\u1ebft b\u1ecb tr\u1ed9n kh\u00f4<\/mark><\/h2>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n kh\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u1ec7 g\u1ed1m s\u1ee9 khi x\u1eed l\u00fd \u01b0\u1edbt kh\u00f4ng kh\u1ea3 thi, khi \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng c\u1ea7n m\u00f4i tr\u01b0\u1eddng l\u1ecfng, ho\u1eb7c khi c\u00f4ng th\u1ee9c bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ea1y nhi\u1ec7t ho\u1eb7c ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ed9 \u1ea9m. Ba lo\u1ea1i thi\u1ebft b\u1ecb ch\u00ednh \u0111\u1ec3 tr\u1ed9n kh\u00f4 g\u1ed1m s\u1ee9 l\u00e0 m\u00e1y tr\u1ed9n ch\u1eef V, m\u00e1y tr\u1ed9n ba chi\u1ec1u v\u00e0 m\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb<\/strong><\/td>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/strong><\/td><\/tr>
M\u00e1y xay V-Blender<\/td>Th\u00f9ng ch\u1ee9a h\u00ecnh ch\u1eef V quay quanh m\u1ed9t tr\u1ee5c n\u1eb1m ngang. B\u1ed9t \u0111\u01b0\u1ee3c t\u00e1ch ra v\u00e0 k\u1ebft h\u1ee3p l\u1ea1i li\u00ean t\u1ee5c \u2014 tr\u1ed9n \u0111\u1ed1i l\u01b0u v\u1edbi l\u1ef1c c\u1eaft th\u1ea5p. Nh\u1eb9 nh\u00e0ng; gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ea1i h\u1ea1t; th\u1eddi gian tr\u1ed9n d\u00e0i.<\/td>Tr\u1ed9n s\u01a1 b\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh v\u00e0 ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft, trong \u0111\u00f3 h\u00ecnh d\u1ea1ng h\u1ea1t ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n. Th\u00edch h\u1ee3p cho c\u00e1c m\u1ebb l\u1edbn v\u1edbi b\u1ed9t c\u00f3 \u0111\u1ed9 ch\u1ea3y t\u1ed1t.<\/td><\/tr>
M\u00e1y tr\u1ed9n ba chi\u1ec1u<\/td>Th\u00f9ng ch\u1ee9a di chuy\u1ec3n, xoay v\u00e0 l\u1eadt \u0111\u1ed3ng th\u1eddi theo nhi\u1ec1u h\u01b0\u1edbng, t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng h\u1ed7n lo\u1ea1n v\u00e0 khu\u1ebfch t\u00e1n m\u1ea1nh m\u1ebd. Kh\u00f4ng c\u00f3 v\u00f9ng ch\u1ebft; th\u1eddi gian tr\u1ed9n ng\u1eafn; \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t cao.<\/td>C\u00e1c c\u00f4ng th\u1ee9c \u0111\u00f2i h\u1ecfi \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t r\u1ea5t cao \u2014 b\u1ed9t g\u1ed1m \u0111i\u1ec7n t\u1eed, h\u1ed7n h\u1ee3p g\u1ed1m c\u1ea5u tr\u00fac \u0111a th\u00e0nh ph\u1ea7n. B\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t h\u00f3a cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi th\u00eam ch\u1ea5t k\u1ebft d\u00ednh.<\/td><\/tr>
M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao<\/td>C\u00e1nh qu\u1ea1t ho\u1eb7c l\u01b0\u1ee1i quay t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra l\u1ef1c c\u1eaft v\u00e0 \u0111\u1ed1i l\u01b0u m\u1ea1nh. R\u1ea5t nhanh; hi\u1ec7u qu\u1ea3 cao; nh\u01b0ng sinh nhi\u1ec7t v\u00e0 c\u00f3 th\u1ec3 g\u00e2y v\u00f3n c\u1ee5c trong c\u00e1c lo\u1ea1i b\u1ed9t m\u1ecbn.<\/td>Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n b\u00e1n kh\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n ph\u00e2n ph\u1ed1i m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t k\u1ebft d\u00ednh d\u1ea1ng l\u1ecfng ho\u1eb7c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u1ee7 l\u1edbp b\u1ec1 m\u1eb7t kh\u00f4 \u0111\u1ed3ng th\u1eddi trong qu\u00e1 tr\u00ecnh tr\u1ed9n.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

H\u1ea1n ch\u1ebf c\u1ee7a vi\u1ec7c tr\u1ed9n kh\u00f4<\/mark><\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n kh\u00f4 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t t\u1ed1t \u1edf quy m\u00f4 v\u0129 m\u00f4, \u0111\u1ea3m b\u1ea3o th\u00e0nh ph\u1ea7n t\u1ed5ng th\u1ec3 nh\u1ea5t qu\u00e1n. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed ho\u1eb7c nguy\u00ean t\u1eed m\u00e0 g\u1ed1m \u0111i\u1ec7n t\u1eed hi\u1ec7u n\u0103ng cao y\u00eau c\u1ea7u. Trong h\u1ed7n h\u1ee3p tr\u1ed9n kh\u00f4 g\u1ed3m alumina v\u00e0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft MgO, c\u00e1c h\u1ea1t MgO \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 gi\u1eefa c\u00e1c h\u1ea1t alumina nh\u01b0ng kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ecdi b\u1ec1 m\u1eb7t alumina. Trong l\u00f2 thi\u00eau k\u1ebft, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 MgO ph\u1ea3i khu\u1ebfch t\u00e1n qua c\u00e1c ranh gi\u1edbi h\u1ea1t \u0111\u1ec3 ti\u1ebfp c\u1eadn v\u00e0 gi\u1eef ch\u1eb7t c\u00e1c ranh gi\u1edbi h\u1ea1t alumina. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u00f2i h\u1ecfi nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian \u0111\u1ee7, v\u00e0 kh\u00f4ng bao gi\u1edd ho\u00e0n to\u00e0n \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n bi \u01b0\u1edbt, \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong ph\u1ea7n ti\u1ebfp theo, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch nghi\u1ec1n \u0111\u1ed3ng th\u1eddi c\u00e1c th\u00e0nh ph\u1ea7n trong m\u00f4i tr\u01b0\u1eddng l\u1ecfng, gi\u00fap ph\u00e2n b\u1ed1 c\u00e1c nguy\u00ean t\u1eed ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft \u1edf b\u1ec1 m\u1eb7t h\u1ea1t thay v\u00ec gi\u1eefa c\u00e1c h\u1ea1t.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb tr\u1ed9n \u01b0\u1edbt<\/mark><\/h2>\n\n\n\n

Tr\u1ed9n \u01b0\u1edbt trong m\u00f4i tr\u01b0\u1eddng l\u1ecfng l\u00e0 quy tr\u00ecnh ti\u00eau chu\u1ea9n cho g\u1ed1m \u0111i\u1ec7n t\u1eed hi\u1ec7u n\u0103ng cao v\u00e0 m\u1ecdi \u1ee9ng d\u1ee5ng kh\u00e1c. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p y\u00eau c\u1ea7u s\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 th\u00e0nh ph\u1ea7n \u1edf quy m\u00f4 d\u01b0\u1edbi micromet. M\u00f4i tr\u01b0\u1eddng l\u1ecfng cho ph\u00e9p c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n v\u00e0 ph\u00e2n b\u1ed1 ri\u00eang l\u1ebb. N\u00f3 lo\u1ea1i b\u1ecf s\u1ef1 k\u1ebft t\u1ee5 t\u0129nh \u0111i\u1ec7n v\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t ph\u00e2n t\u00e1n h\u00f3a h\u1ecdc gi\u00fap duy tr\u00ec s\u1ef1 ph\u00e2n b\u1ed1 h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u trong su\u1ed1t qu\u00e1 tr\u00ecnh tr\u1ed9n.<\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n bi (c\u00e1n v\u00e0 rung)<\/mark><\/h2>\n\n\n\n

M\u00e1y nghi\u1ec1n bi l\u00e0 thi\u1ebft b\u1ecb tr\u1ed9n \u01b0\u1edbt c\u1ed1t l\u00f5i cho h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng b\u1ed9t g\u1ed1m. B\u1ed9t, v\u1eadt li\u1ec7u nghi\u1ec1n (th\u01b0\u1eddng l\u00e0 c\u00e1c vi\u00ean bi zirconia \u1ed5n \u0111\u1ecbnh b\u1eb1ng yttria, \u0111\u01b0\u1eddng k\u00ednh 3-20 mm) v\u00e0 m\u00f4i tr\u01b0\u1eddng ph\u00e2n t\u00e1n \u0111\u01b0\u1ee3c cho v\u00e0o b\u00ecnh nghi\u1ec1n. B\u00ecnh nghi\u1ec1n quay (m\u00e1y nghi\u1ec1n bi ki\u1ec3u l\u0103n) ho\u1eb7c rung (m\u00e1y nghi\u1ec1n bi ki\u1ec3u rung), khi\u1ebfn v\u1eadt li\u1ec7u nghi\u1ec1n va \u0111\u1eadp v\u00e0 l\u00e0m v\u1ee5n b\u1ed9t. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng th\u1eddi gi\u00fap gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t, ph\u00e1 v\u1ee1 c\u00e1c c\u1ee5m h\u1ea1t v\u00e0 tr\u1ed9n \u0111\u1ec1u th\u00e0nh ph\u1ea7n \u1edf c\u1ea5p \u0111\u1ed9 h\u1ea1t.<\/p>\n\n\n\n

T\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh r\u1ea5t quan tr\u1ecdng. \u0110\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n bi, t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u1ed1i \u01b0u n\u1eb1m trong kho\u1ea3ng 65-85% so v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n (Nc), t\u1ed1c \u0111\u1ed9 m\u00e0 t\u1ea1i \u0111\u00f3 l\u1ef1c ly t\u00e2m s\u1ebd gi\u1eef ch\u1eb7t v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0o th\u00e0nh b\u00ecnh m\u00e0 kh\u00f4ng g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nghi\u1ec1n. D\u01b0\u1edbi 65% Nc, n\u0103ng l\u01b0\u1ee3ng va \u0111\u1eadp kh\u00f4ng \u0111\u1ee7; tr\u00ean 85% Nc, v\u1eadt li\u1ec7u nghi\u1ec1n b\u1eaft \u0111\u1ea7u ly t\u00e2m v\u00e0 hi\u1ec7u su\u1ea5t nghi\u1ec1n gi\u1ea3m. T\u1ef7 l\u1ec7 bi\/b\u1ed9t (kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nghi\u1ec1n so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t) th\u01b0\u1eddng l\u00e0 t\u1eeb 2:1 \u0111\u1ebfn 10:1. T\u1ef7 l\u1ec7 cao h\u01a1n s\u1ebd l\u00e0m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 nghi\u1ec1n v\u00e0 tr\u1ed9n nh\u01b0ng c\u0169ng l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u nghi\u1ec1n.<\/p>\n\n\n\n

Th\u1eddi gian nghi\u1ec1n \u01b0\u1edbt b\u1ed9t g\u1ed1m dao \u0111\u1ed9ng t\u1eeb 12 \u0111\u1ebfn 72 gi\u1edd t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc h\u1ea1t ban \u0111\u1ea7u, m\u1ee9c \u0111\u1ed9 tr\u1ed9n mong mu\u1ed1n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tr\u1ed9n \u0111\u1ec1u \u1edf c\u1ea5p \u0111\u1ed9 ph\u00e2n t\u1eed th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u00e0 ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft \u2014 trong \u0111\u00f3 ch\u1ea5t ph\u1ee5 gia \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t t\u1eebng h\u1ea1t ri\u00eang l\u1ebb \u2014 c\u1ea7n th\u1eddi gian nghi\u1ec1n k\u00e9o d\u00e0i cho ph\u00e9p ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i gi\u1eefa v\u1eadt li\u1ec7u nghi\u1ec1n v\u00e0 h\u1ea1t tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1t trong h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n bi (M\u00e1y nghi\u1ec1n khu\u1ea5y)<\/mark><\/h2>\n\n\n\n

M\u00e1y nghi\u1ec1n bi s\u1eed d\u1ee5ng b\u1ed9 khu\u1ea5y b\u00ean trong t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ea9y c\u00e1c vi\u00ean bi nghi\u1ec1n r\u1ea5t nh\u1ecf (th\u01b0\u1eddng l\u00e0 bi zirconia 0,1-0,5 mm) chuy\u1ec3n \u0111\u1ed9ng m\u1ea1nh m\u1ebd, t\u1ea7n s\u1ed1 cao xuy\u00ean su\u1ed1t h\u1ed7n h\u1ee3p b\u00f9n. C\u01b0\u1eddng \u0111\u1ed9 ph\u00e2n t\u00e1n v\u00e0 hi\u1ec7u qu\u1ea3 nghi\u1ec1n cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u00e1y nghi\u1ec1n bi th\u00f4ng th\u01b0\u1eddng \u1edf c\u00f9ng m\u1ee9c n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o, b\u1edfi v\u00ec k\u00edch th\u01b0\u1edbc bi nh\u1ecf h\u01a1n cung c\u1ea5p nhi\u1ec1u \u0111i\u1ec3m ti\u1ebfp x\u00fac h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch v\u00e0 c\u1ea5u h\u00ecnh khu\u1ea5y gi\u00fap duy tr\u00ec v\u1eadn t\u1ed1c bi \u1ed5n \u0111\u1ecbnh trong to\u00e0n b\u1ed9 bu\u1ed3ng nghi\u1ec1n.<\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n bi l\u00e0 thi\u1ebft b\u1ecb ti\u00eau chu\u1ea9n cho vi\u1ec7c ph\u00e2n t\u00e1n \u1edf k\u00edch th\u01b0\u1edbc d\u01b0\u1edbi micromet v\u00e0 nanomet \u2014 c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 b\u1ed9t \u0111i\u1ec7n m\u00f4i MLCC (t\u1ee5 \u0111i\u1ec7n g\u1ed1m nhi\u1ec1u l\u1edbp), trong \u0111\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t BaTiO3 ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec d\u01b0\u1edbi 200 nm m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c c\u1ee5m c\u1ee9ng. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd s\u01a1 b\u1ed9 h\u1ed7n h\u1ee3p huy\u1ec1n ph\u00f9 c\u00f3 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn cao tr\u01b0\u1edbc khi \u0111\u00fac m\u00e0ng, n\u01a1i m\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD) h\u1eb9p v\u00e0 ph\u00e2n t\u00e1n t\u1ed1t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra m\u00e0ng th\u00f4 kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt.<\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh<\/mark><\/h2>\n\n\n\n

M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 n\u0103ng l\u01b0\u1ee3ng cao d\u00f9ng trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 s\u1ea3n xu\u1ea5t theo m\u1ebb nh\u1ecf. M\u1ed7i b\u00ecnh quay quanh m\u1ed9t tr\u1ee5c trung t\u00e2m \u0111\u1ed3ng th\u1eddi t\u1ef1 quay quanh tr\u1ee5c c\u1ee7a n\u00f3, t\u1ea1o ra l\u1ef1c ly t\u00e2m g\u00e2y ra t\u00e1c \u0111\u1ed9ng v\u00e0 nghi\u1ec1n m\u1ea1nh. N\u0103ng l\u01b0\u1ee3ng tr\u1ed9n v\u00e0 nghi\u1ec1n cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u00e1y nghi\u1ec1n bi l\u0103n th\u00f4ng th\u01b0\u1eddng. M\u00e1y nghi\u1ec1n bi h\u00e0nh tinh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed5ng h\u1ee3p b\u1ed9t nano composite, h\u1ee3p kim c\u01a1 h\u1ecdc v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t tr\u1ed9n cao nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trong th\u1ec3 t\u00edch nh\u1ecf \u2014 \u0111i\u1ec3n h\u00ecnh l\u00e0 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n ho\u1eb7c s\u1ea3n xu\u1ea5t chuy\u00ean bi\u1ec7t v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn v\u00e0i kg m\u1ed7i m\u1ebb.<\/p>\n\n\n\n

C\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh ch\u00ednh cho vi\u1ec7c tr\u1ed9n b\u1ed9t g\u1ed1m<\/mark><\/h2>\n\n\n\n
\"B\u00d3NG-MILL\"
M\u00e1y nghi\u1ec1n bi c\u1ee7a Epic Powder<\/figcaption><\/figure>\n\n\n\n

T\u1ef7 l\u1ec7 gi\u1eefa bi v\u00e0 b\u1ed9t<\/mark><\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n bi, t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nghi\u1ec1n so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t l\u00e0 m\u1ed9t bi\u1ebfn s\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh. T\u1ef7 l\u1ec7 cao h\u01a1n (8:1 \u0111\u1ebfn 10:1) cho ph\u00e9p nghi\u1ec1n v\u00e0 tr\u1ed9n nhi\u1ec1u h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb th\u1eddi gian nh\u01b0ng l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u nghi\u1ec1n. T\u1ef7 l\u1ec7 th\u1ea5p h\u01a1n (2:1 \u0111\u1ebfn 4:1) nh\u1eb9 nh\u00e0ng h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh. Khi m\u1ee5c ti\u00eau l\u00e0 ph\u00e2n t\u00e1n v\u00e0 \u0111\u1ed3ng nh\u1ea5t h\u00f3a b\u1ed9t \u0111\u00e3 m\u1ecbn ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc h\u1ea1t h\u01a1n n\u1eefa. T\u1ef7 l\u1ec7 t\u1ed1i \u01b0u cho m\u1ed9t h\u1ec7 th\u1ed1ng c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng th\u1ef1c nghi\u1ec7m b\u1eb1ng c\u00e1ch \u0111o ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (PSD) v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t th\u00e0nh ph\u1ea7n theo t\u1ef7 l\u1ec7 \u1edf th\u1eddi gian nghi\u1ec1n c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

L\u1ef1a ch\u1ecdn v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng ch\u1ea5t ph\u00e2n t\u00e1n<\/mark><\/h3>\n\n\n\n

Trong ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n \u01b0\u1edbt, ch\u1ea5t ph\u00e2n t\u00e1n \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u1edbi t\u1ef7 l\u1ec7 0,1-2% theo tr\u1ecdng l\u01b0\u1ee3ng b\u1ed9t \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee5 l\u1ea1i trong qu\u00e1 tr\u00ecnh nghi\u1ec1n. Ch\u1ea5t ph\u00e2n t\u00e1n ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch h\u1ea5p ph\u1ee5 l\u00ean b\u1ec1 m\u1eb7t c\u00e1c h\u1ea1t v\u00e0 t\u1ea1o ra l\u1ef1c \u0111\u1ea9y t\u0129nh \u0111i\u1ec7n ho\u1eb7c l\u1ef1c c\u1ea3n kh\u00f4ng gian gi\u1eefa c\u00e1c h\u1ea1t. N\u1ebfu kh\u00f4ng c\u00f3 ch\u1ea5t ph\u00e2n t\u00e1n hi\u1ec7u qu\u1ea3, c\u00e1c h\u1ea1t b\u1ecb v\u1ee1 ra b\u1edfi v\u1eadt li\u1ec7u nghi\u1ec1n s\u1ebd ngay l\u1eadp t\u1ee9c k\u1ebft t\u1ee5 l\u1ea1i, v\u00e0 qu\u00e1 tr\u00ecnh tr\u1ed9n s\u1ebd kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 th\u00e0nh ph\u1ea7n ngo\u00e0i ph\u1ea1m vi v\u0129 m\u00f4.<\/p>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t ph\u00e2n t\u00e1n ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t, m\u00f4i tr\u01b0\u1eddng ph\u00e2n t\u00e1n (dung d\u1ecbch n\u01b0\u1edbc ho\u1eb7c h\u1eefu c\u01a1) v\u00e0 quy tr\u00ecnh ti\u1ebfp theo \u2014 ch\u1ea5t ph\u00e2n t\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n trong qu\u00e1 tr\u00ecnh nung ch\u1ea3y ch\u1ea5t k\u1ebft d\u00ednh m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i c\u1eb7n g\u00e2y h\u1ea1i \u0111\u1ebfn hi\u1ec7u su\u1ea5t g\u1ed1m. \u0110\u1ed1i v\u1edbi huy\u1ec1n ph\u00f9 alumina trong n\u01b0\u1edbc, amoni polyacrylat \u1edf pH 9-10 l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn. \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng d\u00f9ng n\u01b0\u1edbc v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u1eefu c\u01a1, ch\u1ea5t ph\u00e2n t\u00e1n este photphat ho\u1eb7c d\u1ea7u c\u00e1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

\u0110\u1ed9 pH v\u00e0 \u0111i\u1ec7n th\u1ebf Zeta c\u1ee7a b\u00f9n<\/mark><\/h3>\n\n\n\n

Trong h\u1ed7n h\u1ee3p huy\u1ec1n ph\u00f9 d\u1ea1ng l\u1ecfng, \u0111\u1ed9 pH quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t tr\u00ean c\u00e1c h\u1ea1t g\u1ed1m (\u0111i\u1ec7n th\u1ebf zeta). T\u1ea1i \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n \u2014 \u0111\u1ed9 pH m\u00e0 t\u1ea1i \u0111\u00f3 \u0111i\u1ec7n th\u1ebf zeta b\u1eb1ng 0 \u2014 c\u00e1c h\u1ea1t kh\u00f4ng c\u00f3 l\u1ef1c \u0111\u1ea9y t\u0129nh \u0111i\u1ec7n v\u00e0 d\u1ec5 d\u00e0ng k\u1ebft t\u1ee5 nh\u1ea5t. \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n t\u1ed1i \u0111a x\u1ea3y ra khi \u0111i\u1ec7n th\u1ebf zeta l\u1edbn h\u01a1n kho\u1ea3ng +30 mV ho\u1eb7c nh\u1ecf h\u01a1n -30 mV. \u0110\u1ed1i v\u1edbi alumina, \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n x\u1ea5p x\u1ec9 pH 8-9; \u0111\u1ed1i v\u1edbi titania, x\u1ea5p x\u1ec9 pH 5-6; \u0111\u1ed1i v\u1edbi zirconia, x\u1ea5p x\u1ec9 pH 6-7. \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a h\u1ed7n h\u1ee3p huy\u1ec1n ph\u00f9 \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb c\u00e1ch xa \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n \u2014 k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t ph\u00e2n t\u00e1n th\u00edch h\u1ee3p \u2014 s\u1ebd t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t khi tr\u1ed9n.<\/p>\n\n\n\n

Tr\u00ecnh t\u1ef1 th\u00eam c\u00e1c th\u00e0nh ph\u1ea7n trong c\u00f4ng th\u1ee9c \u0111a th\u00e0nh ph\u1ea7n<\/mark><\/h3>\n\n\n\n

Khi tr\u1ed9n c\u00e1c c\u00f4ng th\u1ee9c c\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf ch\u1ea5t ph\u1ee5 gia ho\u1eb7c ch\u1ea5t tr\u1ee3 thi\u00eau k\u1ebft (0,1-21% t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t), tr\u00ecnh t\u1ef1 th\u00eam v\u00e0o r\u1ea5t quan tr\u1ecdng. Vi\u1ec7c th\u00eam tr\u1ef1c ti\u1ebfp c\u00e1c th\u00e0nh ph\u1ea7n vi l\u01b0\u1ee3ng v\u00e0o b\u1ed9t ch\u00ednh s\u1ebd t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e2n b\u1ed1 th\u1ed1ng k\u00ea: v\u00ec c\u00e1c h\u1ea1t th\u00e0nh ph\u1ea7n vi l\u01b0\u1ee3ng r\u1ea5t \u00edt so v\u1edbi c\u00e1c h\u1ea1t b\u1ed9t ch\u00ednh, vi\u1ec7c tr\u1ed9n \u0111\u1ec1u \u0111\u00f2i h\u1ecfi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng ti\u1ebfp x\u00fac l\u1edbn \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n l\u00e0 tr\u1ed9n s\u01a1 b\u1ed9 theo t\u1eebng giai \u0111o\u1ea1n: th\u00e0nh ph\u1ea7n vi l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c tr\u1ed9n tr\u01b0\u1edbc v\u1edbi m\u1ed9t ph\u1ea7n nh\u1ecf b\u1ed9t ch\u00ednh (10-20% theo tr\u1ecdng l\u01b0\u1ee3ng) trong m\u1ed9t b\u01b0\u1edbc tr\u1ed9n c\u01b0\u1eddng \u0111\u1ed9 cao ri\u00eang bi\u1ec7t \u0111\u1ec3 t\u1ea1o ra h\u1ed7n h\u1ee3p s\u01a1 b\u1ed9 \u0111\u1eadm \u0111\u1eb7c v\u1edbi s\u1ef1 ti\u1ebfp x\u00fac ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c h\u1ea1t th\u00e0nh ph\u1ea7n vi l\u01b0\u1ee3ng v\u00e0 b\u1ed9t ch\u00ednh. H\u1ed7n h\u1ee3p s\u01a1 b\u1ed9 \u0111\u1eadm \u0111\u1eb7c n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ph\u1ea7n b\u1ed9t ch\u00ednh c\u00f2n l\u1ea1i \u0111\u1ec3 tr\u1ed9n \u0111\u1ec1u cu\u1ed1i c\u00f9ng. H\u1ed7n h\u1ee3p s\u01a1 b\u1ed9 \u0111\u1eadm \u0111\u1eb7c s\u1ebd ph\u00e2n b\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n trong b\u01b0\u1edbc tr\u1ed9n cu\u1ed1i c\u00f9ng so v\u1edbi th\u00e0nh ph\u1ea7n vi l\u01b0\u1ee3ng th\u00f4.<\/p>\n\n\n\n

Ph\u1ea1m vi th\u00f4ng s\u1ed1 quan tr\u1ecdng cho qu\u00e1 tr\u00ecnh nghi\u1ec1n bi \u01b0\u1edbt g\u1ed1m s\u1ee9<\/mark><\/h3>\n\n\n\n

\u2022 T\u1ef7 l\u1ec7 bi\/b\u1ed9t: 2:1 \u0111\u1ebfn 10:1 theo kh\u1ed1i l\u01b0\u1ee3ng \u2014 t\u1ef7 l\u1ec7 th\u1ea5p h\u01a1n n\u1ebfu ch\u1ec9 d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00e1n, t\u1ef7 l\u1ec7 cao h\u01a1n n\u1ebfu d\u00f9ng \u0111\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng th\u1eddi.
\u2022 T\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c: 65-85% t\u1ed1c \u0111\u1ed9 t\u1edbi h\u1ea1n (Nc) cho m\u00e1y nghi\u1ec1n bi
\u2022 K\u00edch th\u01b0\u1edbc v\u1eadt li\u1ec7u nghi\u1ec1n: 3-20 mm \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n bi (k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n cho v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o th\u00f4 h\u01a1n, k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n cho v\u1eadt li\u1ec7u \u0111\u00edch m\u1ecbn h\u01a1n); 0,1-0,5 mm \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n h\u1ea1t.
\u2022 V\u1eadt li\u1ec7u l\u00e0m m\u00f4i tr\u01b0\u1eddng: Zirconia \u1ed5n \u0111\u1ecbnh b\u1eb1ng yttria (YSZ) \u2014 \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1ed9 m\u00e0i m\u00f2n th\u1ea5p, kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5m b\u1ea9n th\u1ea5p \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i g\u1ed1m s\u1ee9.
\u2022 Th\u1eddi gian nghi\u1ec1n: 12-72 gi\u1edd \u0111\u1ed1i v\u1edbi nghi\u1ec1n bi \u01b0\u1edbt; th\u1eddi gian n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ee5c ti\u00eau (PSD) v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 th\u00e0nh ph\u1ea7n.
\u2022 L\u01b0\u1ee3ng ch\u1ea5t ph\u00e2n t\u00e1n: 0,1-2% theo tr\u1ecdng l\u01b0\u1ee3ng b\u1ed9t; t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1ch \u0111o \u0111i\u1ec7n th\u1ebf zeta v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a h\u1ed7n h\u1ee3p huy\u1ec1n ph\u00f9.
\u2022 \u0110\u1ed9 pH c\u1ee7a h\u1ed7n h\u1ee3p b\u00f9n: \u0110i\u1ec1u ch\u1ec9nh sao cho c\u00e1ch xa \u0111i\u1ec3m \u0111\u1eb3ng \u0111i\u1ec7n; \u0111o \u0111i\u1ec7n th\u1ebf zeta \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u00edch h\u1ee3p.
\u2022 H\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn: T\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3 nghi\u1ec1n t\u1ed1t nh\u1ea5t \u2014 th\u00f4ng th\u01b0\u1eddng l\u00e0 30-55% th\u1ec3 t\u00edch cho qu\u00e1 tr\u00ecnh nghi\u1ec1n bi.<\/p>\n\n\n\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u00edch th\u01b0\u1edbc h\u1ea1t nghi\u1ec1n s\u01a1 b\u1ed9 \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng tr\u1ed9n<\/mark><\/h2>\n\n\n\n

B\u01b0\u1edbc tr\u1ed9n ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u1edbi nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb b\u01b0\u1edbc nghi\u1ec1n. N\u1ebfu b\u1ed9t g\u1ed1m \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y tr\u1ed9n c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng, h\u00e0m l\u01b0\u1ee3ng v\u00f3n c\u1ee5c cao ho\u1eb7c di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, qu\u00e1 tr\u00ecnh tr\u1ed9n s\u1ebd t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u b\u1ea5t k\u1ec3 thi\u1ebft b\u1ecb tr\u1ed9n \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh t\u1ed1t \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n

Ba \u0111\u1eb7c t\u00ednh c\u1ee7a b\u1ed9t nguy\u00ean li\u1ec7u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp nh\u1ea5t \u0111\u1ebfn k\u1ebft qu\u1ea3 tr\u1ed9n. Th\u1ee9 nh\u1ea5t, k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 D97: n\u1ebfu b\u1ed9t ch\u00ednh v\u00e0 ch\u1ea5t ph\u1ee5 gia vi l\u01b0\u1ee3ng c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ea5t kh\u00e1c nhau, ch\u00fang s\u1ebd b\u1ecb ph\u00e2n t\u00e1ch trong qu\u00e1 tr\u00ecnh tr\u1ed9n kh\u00f4 v\u00e0 th\u00e0nh ph\u1ea7n m\u1ecbn h\u01a1n s\u1ebd \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i m\u1ed9t c\u00e1ch ch\u1ecdn l\u1ecdc tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u nghi\u1ec1n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n \u01b0\u1edbt. Vi\u1ec7c kh\u1edbp D50 v\u00e0 D97 c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n tr\u01b0\u1edbc khi tr\u1ed9n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t. Th\u1ee9 hai, \u0111\u1ed9 c\u1ee9ng c\u1ee7a kh\u1ed1i k\u1ebft t\u1ee5: c\u00e1c kh\u1ed1i k\u1ebft t\u1ee5 m\u1ec1m c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1 trong qu\u00e1 tr\u00ecnh nghi\u1ec1n bi \u01b0\u1edbt; c\u00e1c kh\u1ed1i k\u1ebft t\u1ee5 c\u1ee9ng (h\u00ecnh th\u00e0nh do thi\u00eau k\u1ebft ho\u1eb7c li\u00ean k\u1ebft h\u00f3a h\u1ecdc) kh\u00f4ng th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1 b\u1edfi thi\u1ebft b\u1ecb tr\u1ed9n v\u00e0 s\u1ebd t\u1ed3n t\u1ea1i nh\u01b0 nh\u1eefng d\u1ecb th\u1ec3 v\u1ec1 th\u00e0nh ph\u1ea7n trong b\u1ed9t h\u1ed7n h\u1ee3p cu\u1ed1i c\u00f9ng. Th\u1ee9 ba, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang: c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang r\u1ea5t kh\u00e1c nhau \u0111\u00f2i h\u1ecfi l\u01b0\u1ee3ng ch\u1ea5t ph\u00e2n t\u00e1n kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o huy\u1ec1n ph\u00f9 \u1ed5n \u0111\u1ecbnh \u2014 s\u1ef1 ph\u00e2n b\u1ed1 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t r\u1ed9ng gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n khi\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t ph\u00e2n t\u00e1n tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u01b0\u1edbc nghi\u1ec1n tr\u01b0\u1edbc b\u01b0\u1edbc tr\u1ed9n l\u1ea1i quan tr\u1ecdng kh\u00f4ng k\u00e9m g\u00ec ch\u00ednh b\u01b0\u1edbc tr\u1ed9n. M\u1ed9t m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n ho\u1eb7c m\u00e1y nghi\u1ec1n phun kh\u00ed cung c\u1ea5p D50 \u1ed5n \u0111\u1ecbnh, D97 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 h\u00e0m l\u01b0\u1ee3ng v\u00f3n c\u1ee5c th\u1ea5p cho qu\u00e1 tr\u00ecnh tr\u1ed9n s\u1ebd gi\u00fap qu\u00e1 tr\u00ecnh \u0111\u00f3 th\u00e0nh c\u00f4ng. Ng\u01b0\u1ee3c l\u1ea1i, s\u1ea3n l\u01b0\u1ee3ng nghi\u1ec1n kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t k\u00e9m s\u1ebd d\u1eabn \u0111\u1ebfn th\u1ea5t b\u1ea1i b\u1ea5t k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb tr\u1ed9n nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb m\u00e1y m\u00f3c EPIC chuy\u00ean d\u1ee5ng cho vi\u1ec7c chu\u1ea9n b\u1ecb b\u1ed9t g\u1ed1m.<\/mark><\/h2>\n\n\n\n

Thi\u1ebft b\u1ecb nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i kh\u00f4 c\u1ee7a EPIC Powder Machinery \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n chu\u1ea9n b\u1ecb s\u1ea3n xu\u1ea5t b\u1ed9t g\u1ed1m s\u1ee9 \u2014 t\u1ea1o ra nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a c\u00e1c quy tr\u00ecnh tr\u1ed9n \u01b0\u1edbt v\u00e0 tr\u1ed9n kh\u00f4.<\/p>\n\n\n\n