{"id":3680,"date":"2026-03-24T14:52:22","date_gmt":"2026-03-24T06:52:22","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3680"},"modified":"2026-03-24T14:56:37","modified_gmt":"2026-03-24T06:56:37","slug":"what-key-role-does-ultrafine-pulverization-equipment-play-in-high-purity-quartz-production","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/vi\/what-key-role-does-ultrafine-pulverization-equipment-play-in-high-purity-quartz-production\/","title":{"rendered":"Thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng nh\u01b0 th\u1ebf n\u00e0o trong s\u1ea3n xu\u1ea5t th\u1ea1ch anh tinh khi\u1ebft cao?"},"content":{"rendered":"

Th\u1ea1ch anh tinh khi\u1ebft cao l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 quan tr\u1ecdng cho vi\u1ec7c s\u1ea3n xu\u1ea5t th\u1ee7y tinh th\u1ea1ch anh, ch\u1ea5t n\u1ec1n m\u1ea1ch t\u00edch h\u1ee3p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c. N\u00f3 c\u00f3 gi\u00e1 tr\u1ecb to l\u1edbn v\u00e0 v\u1ecb tr\u00ed kh\u00f4ng th\u1ec3 thay th\u1ebf trong c\u00e1c ng\u00e0nh c\u00f4ng ngh\u1ec7 cao. Khi ngu\u1ed3n t\u00e0i nguy\u00ean tinh th\u1ec3 t\u1ef1 nhi\u00ean ti\u1ebfp t\u1ee5c c\u1ea1n ki\u1ec7t, nghi\u00ean c\u1ee9u v\u1ec1 th\u1ea1ch anh t\u1ed5ng h\u1ee3p tinh khi\u1ebft cao ng\u00e0y c\u00e0ng thu h\u00fat s\u1ef1 ch\u00fa \u00fd.<\/p>\n\n\n\n

\"C\u00e1t
C\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/figcaption><\/figure>\n\n\n\n

T\u1ed5ng quan v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t c\u00e1t t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/h2>\n\n\n\n

C\u00e1t t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua t\u1ed5ng h\u1ee3p pha h\u01a1i, k\u1ebft t\u1ee7a h\u00f3a h\u1ecdc, sol-gel, th\u1ee7y ph\u00e2n pha l\u1ecfng, vi nh\u0169 t\u01b0\u01a1ng v\u00e0 chi\u1ebft xu\u1ea5t axit fluosilicic. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang. Tuy nhi\u00ean, b\u1ea5t k\u1ec3 quy tr\u00ecnh n\u00e0o, s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng th\u01b0\u1eddng b\u1ecb v\u00f3n c\u1ee5c v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c c\u00f4ng \u0111o\u1ea1n n\u00f3ng ch\u1ea3y, l\u1ea5p \u0111\u1ea7y ho\u1eb7c t\u00ednh ch\u1ea5t quang h\u1ecdc ti\u1ebfp theo. Do \u0111\u00f3, thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn (\u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u1ea7ng s\u00f4i v\u00e0 m\u00e1y nghi\u1ec1n ph\u00e2n lo\u1ea1i kh\u00ed) \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t b\u01b0\u1edbc x\u1eed l\u00fd sau kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. s\u1ea3n xu\u1ea5t th\u1ea1ch anh tinh khi\u1ebft cao<\/a>C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc h\u1ea1t si\u00eau m\u1ecbn (D50 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 1\u201350 \u03bcm), ph\u00e2n b\u1ed1 h\u1eb9p (\u0111\u1ed9 tr\u1ea3i <1,5) v\u00e0 duy tr\u00ec \u0111\u1ed9 tinh khi\u1ebft cao (>99,99%) m\u00e0 kh\u00f4ng \u0111\u01b0a th\u00eam t\u1ea1p ch\u1ea5t kim lo\u1ea1i.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p pha h\u01a1i<\/h3>\n\n\n\n
\"S\u01a1<\/figure>\n\n\n\n

Qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p pha h\u01a1i, c\u00f2n g\u1ecdi l\u00e0 th\u1ee7y ph\u00e2n b\u1eb1ng ng\u1ecdn l\u1eeda, s\u1eed d\u1ee5ng silicon ho\u1eb7c c\u00e1c clorua h\u1eefu c\u01a1 silicon (v\u00ed d\u1ee5: SiCl4, CH3SiCl3) l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. Ch\u00fang \u0111\u01b0\u1ee3c h\u00f3a h\u01a1i v\u00e0 tr\u1ed9n v\u1edbi hydro, oxy ho\u1eb7c ch\u1ea5t oxy h\u00f3a. Qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 cao, t\u1ea1o th\u00e0nh s\u01b0\u01a1ng m\u00f9 SiO2. Sau khi l\u00e0m ngu\u1ed9i, t\u00e1ch v\u00e0 lo\u1ea1i b\u1ecf axit, b\u1ed9t c\u00e1t th\u1ea1ch anh \u0111\u01b0\u1ee3c thu \u0111\u01b0\u1ee3c th\u00f4ng qua qu\u00e1 tr\u00ecnh t\u00e1ch kh\u00ed-r\u1eafn.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ec5 ki\u1ec3m so\u00e1t v\u00e0 nhanh ch\u00f3ng, ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn. Tuy nhi\u00ean, s\u1ea3n ph\u1ea9m ph\u1ee5 HCl c\u00f3 th\u1ec3 \u0103n m\u00f2n thi\u1ebft b\u1ecb, \u0111\u00f2i h\u1ecfi nguy\u00ean li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao. B\u1ed9t t\u1ed5ng h\u1ee3p c\u00f3 xu h\u01b0\u1edbng v\u00f3n c\u1ee5c v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec1n si\u00eau m\u1ecbn ngay l\u1eadp t\u1ee9c \u0111\u1ec3 ph\u00e2n t\u00e1n.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a h\u00f3a h\u1ecdc<\/h3>\n\n\n\n
\"S\u01a1<\/figure>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng natri ho\u1eb7c kali silicat v\u1edbi CO2 ho\u1eb7c dung d\u1ecbch axit (HCl, H2SO4 ho\u1eb7c HNO3) l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. D\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 v\u1edbi ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, k\u1ebft t\u1ee7a axit silicic \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u1ecdc, r\u1eeda, s\u1ea5y kh\u00f4 v\u00e0 nung \u0111\u1ec3 thu \u0111\u01b0\u1ee3c SiO2.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01a1n gi\u1ea3n, v\u1edbi nguy\u00ean li\u1ec7u th\u00f4 d\u1ec5 ki\u1ebfm. Tuy nhi\u00ean, do n\u1ed3ng \u0111\u1ed9 ch\u1ea5t ph\u1ea3n \u1ee9ng th\u1ea5p v\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft t\u1ee7a nhanh, k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ea5t kh\u00f3 ki\u1ec3m so\u00e1t. C\u00e1c t\u1ea1p ch\u1ea5t nh\u01b0 Fe3+, Al3+ v\u00e0 Ca2+ c\u0169ng h\u1ea1n ch\u1ebf \u0111\u1ed9 tinh khi\u1ebft \u0111\u1ea1t \u0111\u01b0\u1ee3c. Sau qu\u00e1 tr\u00ecnh nung, hi\u1ec7n t\u01b0\u1ee3ng v\u00f3n c\u1ee5c nghi\u00eam tr\u1ecdng x\u1ea3y ra. S\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u1ea7ng s\u00f4i c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 c\u00e1c kh\u1ed1i v\u00f3n c\u1ee5c n\u00e0y v\u00e0 ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p Sol-Gel<\/h3>\n\n\n\n

S\u1eed d\u1ee5ng mu\u1ed1i v\u00f4 c\u01a1 ho\u1eb7c organosilane l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 r\u01b0\u1ee3u l\u00e0m dung m\u00f4i ph\u1ee5, ch\u1ea5t x\u00fac t\u00e1c axit ho\u1eb7c baz\u01a1 s\u1ebd kh\u1edfi \u0111\u1ed9ng qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n v\u00e0 ng\u01b0ng t\u1ee5 \u0111\u1ec3 t\u1ea1o th\u00e0nh gel silica. Gel tr\u1ea3i qua qu\u00e1 tr\u00ecnh \u1ee7, kh\u1eed n\u01b0\u1edbc, s\u1ea5y kh\u00f4 v\u00e0 nung \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1t th\u1ea1ch anh t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u thi\u1ebft b\u1ecb ho\u1eb7c v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t. SiO2 \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 \u0111\u1ed9 tinh khi\u1ebft v\u00e0 \u0111\u1ed3ng nh\u1ea5t cao. Tuy nhi\u00ean, n\u00f3 t\u1ed1n k\u00e9m, m\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 li\u00ean quan \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 bi\u1ebfn \u0111\u1ed5i, khi\u1ebfn vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c tr\u1edf n\u00ean kh\u00f3 kh\u0103n. C\u00e1c kh\u1ed1i gel \u0111\u00e3 nung c\u1ea7n \u0111\u01b0\u1ee3c nghi\u1ec1n si\u00eau m\u1ecbn \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t cho ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y ph\u00e2n pha l\u1ecfng<\/h3>\n\n\n\n
\n
\"Ph\u01b0\u01a1ng<\/figure>\n<\/figure>\n\n\n\n

Tetrachlorosilane ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc th\u00f4ng qua qu\u00e1 tr\u00ecnh th\u1ee7y ph\u00e2n v\u00e0 ng\u01b0ng t\u1ee5. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch, l\u1ecdc, s\u1ea5y kh\u00f4, nung v\u00e0 s\u00e0ng l\u1ecdc \u0111\u1ec3 t\u1ea1o ra c\u00e1t th\u1ea1ch anh t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n

Do ph\u1ea3n \u1ee9ng m\u1ea1nh gi\u1eefa tetrachlorosilane v\u1edbi n\u01b0\u1edbc, ch\u1ea5t trung gian r\u1ea5t kh\u00f3 ki\u1ec3m so\u00e1t v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 xu h\u01b0\u1edbng v\u00f3n c\u1ee5c. Ph\u01b0\u01a1ng ph\u00e1p s\u00e0ng l\u1ecdc truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng v\u00f3n c\u1ee5c ho\u1eb7c ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ed9ng. Vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn tr\u1edf n\u00ean r\u1ea5t quan tr\u1ecdng, cho ph\u00e9p nghi\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p m\u00e0 kh\u00f4ng c\u1ea7n dung m\u00f4i v\u00e0 tr\u00e1nh \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p vi nh\u0169 t\u01b0\u01a1ng<\/h3>\n\n\n\n

N\u01b0\u1edbc v\u00e0 c\u00e1c dung m\u00f4i kh\u00f4ng ph\u00e2n c\u1ef1c nh\u01b0 ankan \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn \u0111\u1ec3 t\u1ea1o th\u00e0nh nh\u0169 t\u01b0\u01a1ng W\/O ho\u1eb7c O\/W v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a ch\u1ea5t nh\u0169 h\u00f3a v\u00e0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh. C\u00e1c ti\u1ec1n ch\u1ea5t organosilane th\u00edch h\u1ee3p b\u1ecb th\u1ee7y ph\u00e2n v\u00e0 ng\u01b0ng t\u1ee5 th\u00e0nh c\u00e1c gi\u1ecdt \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t SiO2. Sau khi r\u1eeda, s\u1ea5y kh\u00f4 v\u00e0 nung, thu \u0111\u01b0\u1ee3c b\u1ed9t c\u00e1t th\u1ea1ch anh t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc nano, nh\u01b0ng c\u00e1c s\u1ea3n ph\u1ea9m nung v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 ph\u00e2n lo\u1ea1i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a s\u1ef1 ph\u00e2n b\u1ed1 v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 v\u00f3n c\u1ee5c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t quang h\u1ecdc ho\u1eb7c \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p chi\u1ebft xu\u1ea5t axit fluosililic<\/h3>\n\n\n\n

Axit fluosilicic, m\u1ed9t s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t phosphat v\u00e0 axit hydrofluoric khan, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chi\u1ebft xu\u1ea5t SiO2 theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau:<\/p>\n\n\n\n