{"id":16313,"date":"2026-01-22T06:00:46","date_gmt":"2026-01-22T06:00:46","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=16313"},"modified":"2026-01-22T06:04:29","modified_gmt":"2026-01-22T06:04:29","slug":"high-purity-quartz-sand-industry-overview-and-essential-processing-equipment","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/vi\/high-purity-quartz-sand-industry-overview-and-essential-processing-equipment\/","title":{"rendered":"C\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao: T\u1ed5ng quan ng\u00e0nh v\u00e0 thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn thi\u1ebft y\u1ebfu"},"content":{"rendered":"

I. T\u1ed5ng quan v\u1ec1 ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao<\/mark><\/h2>\n\n\n\n

C\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao (HPQS) l\u00e0 lo\u1ea1i b\u1ed9t th\u1ea1ch anh m\u1ecbn c\u00f3 h\u00e0m l\u01b0\u1ee3ng SiO\u2082 c\u1ef1c cao v\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t c\u1ef1c th\u1ea5p. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch tinh ch\u1ebf kho\u00e1ng ch\u1ea5t th\u1ea1ch anh t\u1ef1 nhi\u00ean ch\u1ea5t l\u01b0\u1ee3ng cao b\u1eb1ng s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc. L\u00e0 m\u1ed9t ngu\u1ed3n t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n phi kim lo\u1ea1i quan tr\u1ecdng, HPQS s\u1edf h\u1eefu c\u00e1c \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i nh\u01b0 \u0111\u1ed9 tinh khi\u1ebft cao, \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p, khi\u1ebfn n\u00f3 tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao. S\u1ea3n ph\u1ea9m v\u1edbi c\u00e1c c\u1ea5p \u0111\u1ed9 tinh khi\u1ebft kh\u00e1c nhau ph\u1ee5c v\u1ee5 c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau v\u00e0 c\u00f3 gi\u00e1 c\u1ea3 kh\u00e1c nhau \u0111\u00e1ng k\u1ec3. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh tinh ch\u1ebf ph\u1ee9c t\u1ea1p bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n: nghi\u1ec1n, xay, ph\u00e2n lo\u1ea1i, x\u1eed l\u00fd h\u00f3a h\u1ecdc v\u00e0 x\u1eed l\u00fd nhi\u1ec7t. M\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n, m\u00e1y ph\u00e2n lo\u1ea1i thu\u1ed9c giai \u0111o\u1ea1n x\u1eed l\u00fd v\u1eadt l\u00fd v\u00e0 ph\u00e2n lo\u1ea1i, l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a to\u00e0n b\u1ed9 quy tr\u00ecnh.<\/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

C\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo \u1ee9ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng th\u00e0nh ba c\u1ea5p ch\u00ednh: 4N (99,99% SiO\u2082)<\/strong>, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong chi\u1ebfu s\u00e1ng ti\u00ean ti\u1ebfn v\u00e0 bao b\u00ec \u0111i\u1ec7n t\u1eed; 4N8 (99,998% SiO\u2082)<\/strong>, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p quang \u0111i\u1ec7n v\u00e0 vi\u1ec5n th\u00f4ng; v\u00e0 5N (99,999% SiO\u2082)<\/strong>\u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1ea3n xu\u1ea5t ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 chip.<\/p>\n\n\n\n

II. Chu\u1ed7i ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao<\/mark><\/h2>\n\n\n\n

1. C\u1ea5u tr\u00fac chu\u1ed7i ng\u00e0nh<\/mark><\/h3>\n\n\n\n

Th\u01b0\u1ee3ng ngu\u1ed3n:<\/strong> Bao g\u1ed3m t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n th\u1ea1ch anh v\u00e0 m\u00e1y m\u00f3c\/thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t. T\u00e0i nguy\u00ean th\u1ea1ch anh bao g\u1ed3m th\u1ea1ch anh m\u1ea1ch, th\u1ea1ch anh tinh th\u1ec3, \u0111\u00e1 sa th\u1ea1ch th\u1ea1ch anh, m\u1ecf c\u00e1t th\u1ea1ch anh, m\u1ecf c\u00e1t th\u1ea1ch anh ch\u1ee9a s\u00e9t, m\u1ecf c\u00e1t th\u1ea1ch anh ch\u1ee9a fenspat v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 ch\u1ee9a silic kh\u00e1c. Trung Qu\u1ed1c s\u1edf h\u1eefu tr\u1eef l\u01b0\u1ee3ng th\u1ea1ch anh d\u1ed3i d\u00e0o v\u00e0 nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m, nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng nh\u00ecn chung t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. H\u1ea7u h\u1ebft c\u00e1c m\u1ecf \u0111\u1ec1u l\u00e0 qu\u1eb7ng silic th\u00f4ng th\u01b0\u1eddng, th\u00edch h\u1ee3p cho s\u1ea3n xu\u1ea5t th\u1ee7y tinh, v\u1eadt li\u1ec7u \u0111\u00e1, c\u00e1t x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n

C\u00f4ng \u0111o\u1ea1n gi\u1eefa (Ch\u1ebf bi\u1ebfn):<\/strong> Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t HPQS ch\u1ee7 y\u1ebfu bao g\u1ed3m ba ph\u01b0\u01a1ng ph\u00e1p: x\u1eed l\u00fd tinh th\u1ec3 \u0111\u00e1 t\u1ef1 nhi\u00ean, tinh ch\u1ebf kho\u00e1ng ch\u1ea5t v\u00e0 t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc.<\/p>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1 ngu\u1ed3n:<\/strong> Ch\u1ee7 y\u1ebfu ph\u1ee5c v\u1ee5 c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t cao c\u1ea5p nh\u01b0 quang \u0111i\u1ec7n (PV), ch\u1ea5t b\u00e1n d\u1eabn, s\u1ee3i quang\/quang h\u1ecdc v\u00e0 \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n

2. Quy m\u00f4 th\u1ecb tr\u01b0\u1eddng ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn c\u1ee7a Trung Qu\u1ed1c<\/mark><\/h3>\n\n\n\n
\"B\u00e1n
B\u00e1n d\u1eabn<\/figcaption><\/figure>\n\n\n\n

L\u00e0 m\u1ed9t ng\u00e0nh c\u00f4ng nghi\u1ec7p tr\u1ee5 c\u1ed9t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ph\u00fac l\u1ee3i qu\u1ed1c gia, sinh k\u1ebf nh\u00e2n d\u00e2n v\u00e0 an ninh qu\u1ed1c ph\u00f2ng, ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn ph\u00e1t tri\u1ec3n kinh t\u1ebf v\u00e0 an ninh qu\u1ed1c gia. Trong l\u0129nh v\u1ef1c n\u00e0y, HPQS l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t t\u1ea5m silicon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p (IC) quy m\u00f4 l\u1edbn. H\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t trong th\u1ea1ch anh \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u n\u0103ng v\u00e0 t\u1ef7 l\u1ec7 s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a chip. V\u00ed d\u1ee5, c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd 14 nanomet y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t kim lo\u1ea1i trong nguy\u00ean li\u1ec7u th\u00f4 t\u1ea5m silicon ph\u1ea3i d\u01b0\u1edbi 10 ph\u1ea7n t\u1ef7 (ppb), \u0111\u1eb7t ra y\u00eau c\u1ea7u c\u1ef1c k\u1ef3 cao v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a v\u1eadt li\u1ec7u. Th\u1ed1ng k\u00ea cho th\u1ea5y quy m\u00f4 th\u1ecb tr\u01b0\u1eddng ng\u00e0nh c\u00f4ng nghi\u1ec7p b\u00e1n d\u1eabn c\u1ee7a Trung Qu\u1ed1c \u0111\u1ea1t kho\u1ea3ng 4.687,6 t\u1ef7 RMB v\u00e0o n\u0103m 2023, t\u0103ng tr\u01b0\u1edfng 1,31 t\u1ef7 nh\u00e2n d\u00e2n t\u1ec7 so v\u1edbi n\u0103m tr\u01b0\u1edbc.<\/p>\n\n\n\n

III.<\/mark> T\u00ecnh tr\u1ea1ng ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao<\/mark><\/h2>\n\n\n\n

Qu\u00e1 tr\u00ecnh tinh ch\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t HPQS \u0111\u00f2i h\u1ecfi qu\u1eb7ng nguy\u00ean li\u1ec7u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng c\u1ef1c cao, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng khan hi\u1ebfm to\u00e0n c\u1ea7u c\u00e1c m\u1ecf th\u1ea1ch anh \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n c\u1ea7n thi\u1ebft. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 m\u1edf r\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng HPQS to\u00e0n c\u1ea7u. Theo th\u1ed1ng k\u00ea, s\u1ea3n l\u01b0\u1ee3ng HPQS to\u00e0n c\u1ea7u \u0111\u1ea1t kho\u1ea3ng 3,611 tri\u1ec7u t\u1ea5n v\u00e0o n\u0103m 2024, trong khi nhu c\u1ea7u \u0111\u1ea1t kho\u1ea3ng 3,606 tri\u1ec7u t\u1ea5n.<\/p>\n\n\n\n

Do quy tr\u00ecnh tinh ch\u1ebf ph\u1ee9c t\u1ea1p v\u00e0 r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt cao, hi\u1ec7n nay ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 \u00edt c\u00f4ng ty tr\u00ean to\u00e0n th\u1ebf gi\u1edbi s\u1edf h\u1eefu c\u00f4ng ngh\u1ec7 v\u00e0 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t HPQS quy m\u00f4 l\u1edbn, c\u1ee5 th\u1ec3 l\u00e0... Unimin (Hoa K\u1ef3), T\u1eadp \u0111o\u00e0n Quartz (TQC, Na Uy) v\u00e0 C\u00f4ng ty TNHH Th\u1ea1ch anh Th\u00e1i B\u00ecnh D\u01b0\u01a1ng Giang T\u00f4 (Trung Qu\u1ed1c)<\/strong>V\u1ec1 quy m\u00f4 th\u1ecb tr\u01b0\u1eddng, th\u1ecb tr\u01b0\u1eddng HPQS to\u00e0n c\u1ea7u \u0111\u00e3 cho th\u1ea5y s\u1ef1 t\u0103ng tr\u01b0\u1edfng \u1ed5n \u0111\u1ecbnh, m\u1edf r\u1ed9ng t\u1eeb 1,093 t\u1ef7 USD n\u0103m 2018 l\u00ean \u01b0\u1edbc t\u00ednh 3,034 t\u1ef7 USD v\u00e0o n\u0103m 2024, \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng k\u00e9p h\u00e0ng n\u0103m (CAGR) kho\u1ea3ng 18,51 t\u1ef7 USD\/t\u1ea5n.<\/p>\n\n\n\n

IV.<\/mark> Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chu\u1ea9n b\u1ecb c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao?   <\/mark> <\/h2>\n\n\n\n

Vi\u1ec7c chu\u1ea9n b\u1ecb c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh tinh ch\u1ebf ph\u1ee9c t\u1ea1p bao g\u1ed3m nhi\u1ec1u giai \u0111o\u1ea1n: nghi\u1ec1n, xay, ph\u00e2n lo\u1ea1i, x\u1eed l\u00fd h\u00f3a h\u1ecdc v\u00e0 x\u1eed l\u00fd nhi\u1ec7t.<\/strong>M\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n kh\u00ed n\u00e9n, m\u00e1y ph\u00e2n lo\u1ea1i thu\u1ed9c giai \u0111o\u1ea1n x\u1eed l\u00fd v\u00e0 ph\u00e2n lo\u1ea1i v\u1eadt l\u00fd, l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a to\u00e0n b\u1ed9 quy tr\u00ecnh. Vai tr\u00f2 c\u1ee7a ch\u00fang l\u00e0 nghi\u1ec1n, xay v\u00e0 ph\u00e2n lo\u1ea1i qu\u1eb7ng th\u1ea1ch anh th\u00f4 \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ee5c ti\u00eau, chu\u1ea9n b\u1ecb cho c\u00e1c b\u01b0\u1edbc tinh ch\u1ebf s\u00e2u ti\u1ebfp theo (ch\u1ee7 y\u1ebfu l\u00e0 lo\u1ea1i b\u1ecf c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t nh\u01b0 s\u1eaft, nh\u00f4m v\u00e0 titan).<\/p>\n\n\n\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111i\u1ec3n h\u00ecnh cho c\u00e1t th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao<\/mark>    <\/h3>\n\n\n\n

1. Nghi\u1ec1n s\u01a1 c\u1ea5p & Tuy\u1ec3n kho\u00e1ng:<\/strong> Qu\u1eb7ng th\u00f4 \u2192 M\u00e1y nghi\u1ec1n h\u00e0m \/ M\u00e1y nghi\u1ec1n c\u00f4n (nghi\u1ec1n th\u00f4) \u2192 R\u1eeda, ch\u00e0 x\u00e1t, t\u00e1ch t\u1eeb (lo\u1ea1i b\u1ecf \u0111\u1ea5t s\u00e9t, kho\u00e1ng ch\u1ea5t c\u00f3 t\u1eeb t\u00ednh y\u1ebfu).<\/p>\n\n\n\n

2. Nghi\u1ec1n m\u1ecbn & Ph\u00e2n lo\u1ea1i:<\/strong> Nghi\u1ec1n c\u00e1c m\u1eabu \u0111\u00e1 th\u1ea1ch anh \u0111\u00e3 \u0111\u01b0\u1ee3c tinh ch\u1ebf s\u01a1 b\u1ed9 \u0111\u1ebfn k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p (th\u01b0\u1eddng l\u00e0 0,1-0,5mm ho\u1eb7c nh\u1ecf h\u01a1n) v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

3. Thanh l\u1ecdc h\u00f3a h\u1ecdc chuy\u00ean s\u00e2u:<\/strong> Ph\u01b0\u01a1ng ph\u00e1p tr\u00edch ly b\u1eb1ng axit (th\u01b0\u1eddng s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p axit nh\u01b0 HF, HCl, H\u2082SO\u2084), clo h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao, v.v., \u0111\u1ec3 h\u00f2a tan ho\u1eb7c l\u00e0m bay h\u01a1i c\u00e1c t\u1ea1p ch\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 b\u00ean trong m\u1ea1ng tinh th\u1ec3.<\/p>\n\n\n\n

4. Gi\u1eb7t & S\u1ea5y kh\u00f4:<\/strong> R\u1eeda \u0111i r\u1eeda l\u1ea1i nhi\u1ec1u l\u1ea7n b\u1eb1ng n\u01b0\u1edbc si\u00eau tinh khi\u1ebft cho \u0111\u1ebfn khi trung t\u00ednh.<\/p>\n\n\n\n

5. X\u1eed l\u00fd nhi\u1ec7t v\u00e0 ph\u00e2n lo\u1ea1i cu\u1ed1i c\u00f9ng:<\/strong> Qu\u00e1 tr\u00ecnh nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao, l\u00e0m ngu\u1ed9i, v\u00e0 \u0111\u00f4i khi l\u00e0 nghi\u1ec1n b\u1eb1ng tia kh\u00ed v\u00e0 ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ec3 thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

V.<\/mark> Ph\u00e2n t\u00edch chi ti\u1ebft thi\u1ebft b\u1ecb cho giai \u0111o\u1ea1n nghi\u1ec1n m\u1ecbn v\u00e0 ph\u00e2n lo\u1ea1i<\/mark>\u00a0\u00a0\u00a0\u00a0<\/h2>\n\n\n\n

M\u1ee5c ti\u00eau c\u1ed1t l\u00f5i \u1edf \u0111\u00e2y l\u00e0: Nghi\u1ec1n th\u1ea1ch anh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn y\u00eau c\u1ea7u v\u00e0 ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c, \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c t\u1ea1p ch\u1ea5t m\u1edbi (t\u1ea1p ch\u1ea5t s\u1eaft l\u00e0 v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng).    <\/p>\n\n\n\n

1. Thi\u1ebft b\u1ecb m\u00e0i<\/mark><\/h3>\n\n\n\n

M\u00e1y nghi\u1ec1n bi: <\/mark><\/h4>\n\n\n\n
\"H\u1ec7<\/figure>\n\n\n\n

M\u00e1y nghi\u1ec1n bi<\/mark> C\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng l\u1ef1c t\u00e1c \u0111\u1ed9ng v\u00e0 s\u1ef1 m\u00e0i m\u00f2n c\u1ee7a c\u00e1c vi\u00ean bi th\u00e9p (ho\u1eb7c bi g\u1ed1m, s\u1ecfi th\u1ea1ch anh) b\u00ean trong m\u1ed9t xi lanh quay.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng trong s\u1ea3n xu\u1ea5t th\u1ea1ch anh tinh khi\u1ebft cao:    <\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m: C\u00f4ng su\u1ea5t cao, chi ph\u00ed v\u1eadn h\u00e0nh t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, c\u00f4ng ngh\u1ec7 \u0111\u00e3 ho\u00e0n thi\u1ec7n. Th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 nghi\u1ec1n trung gian c\u00e1t th\u1ea1ch anh lo\u1ea1i trung b\u00ecnh, ho\u1eb7c ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfp n\u1ed1i b\u1eb1ng qu\u00e1 tr\u00ecnh l\u1ecdc axit h\u00f3a h\u1ecdc c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1eaft. <\/p>\n\n\n\n

M\u00e1y nghi\u1ec1n tia (M\u00e1y nghi\u1ec1n tia t\u1ea7ng s\u00f4i)<\/mark> \u2013 \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho c\u00e1c s\u1ea3n ph\u1ea9m cao c\u1ea5p: <\/mark><\/h4>\n\n\n\n
\"M\u00e1y
M\u00e1y nghi\u1ec1n phun t\u1ea7ng s\u00f4i c\u1ee7a Epic Powder<\/figcaption><\/figure>\n\n\n\n

Nguy\u00ean l\u00fd: S\u1eed d\u1ee5ng kh\u00ed n\u00e9n si\u00eau \u00e2m \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t, khi\u1ebfn ch\u00fang va ch\u1ea1m v\u00e0 v\u1ee1 v\u1ee5n v\u00e0o nhau. Ho\u00e0n to\u00e0n t\u00e1ch bi\u1ec7t v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, kh\u00f4ng c\u1ea7n ch\u1ea5t m\u00e0i m\u00f2n.    <\/p>\n\n\n\n

Nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh trong vi\u1ec7c ch\u1ebf t\u1ea1o th\u1ea1ch anh c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao:    <\/p>\n\n\n\n

Kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m: Bu\u1ed3ng nghi\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00f3t b\u1eb1ng g\u1ed1m (v\u00ed d\u1ee5: alumina, silicon carbide) ho\u1eb7c polyme. V\u1eadt li\u1ec7u ch\u1ec9 va ch\u1ea1m v\u1edbi ch\u00ednh n\u00f3, h\u1ea7u nh\u01b0 kh\u00f4ng \u0111\u01b0a th\u00eam t\u1ea1p ch\u1ea5t kim lo\u1ea1i m\u1edbi v\u00e0o.<\/p>\n\n\n\n

L\u00fd t\u01b0\u1edfng cho vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn: D\u1ec5 d\u00e0ng nghi\u1ec1n th\u1ea1ch anh \u0111\u1ebfn k\u00edch th\u01b0\u1edbc t\u1eeb v\u00e0i micron \u0111\u1ebfn h\u00e0ng ch\u1ee5c micron.<\/p>\n\n\n\n

Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p (PSD): Khi k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 ph\u00e2n lo\u1ea1i, n\u00f3 t\u1ea1o ra s\u1ea3n ph\u1ea9m \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n

K\u1ebft lu\u1eadn: \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t th\u1ea1ch anh cao c\u1ea5p c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao (\u0111\u1eb7c bi\u1ec7t l\u00e0 cho n\u1ed3i nung th\u1ea1ch anh, bao b\u00ec b\u00e1n d\u1eabn, v.v.), th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n nghi\u1ec1n cu\u1ed1i c\u00f9ng sau khi tinh ch\u1ebf h\u00f3a h\u1ecdc.<\/p>\n\n\n\n

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