{"id":127143,"date":"2023-05-17T15:27:44","date_gmt":"2023-05-17T07:27:44","guid":{"rendered":"https:\/\/www.alpapowder.com\/127143\/"},"modified":"2023-05-17T15:27:44","modified_gmt":"2023-05-17T07:27:44","slug":"ung-dung-cua-thiet-bi-nghien-tia-trong-san-xuat-titan-dioxit-2","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/127143\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb nghi\u1ec1n tia trong s\u1ea3n xu\u1ea5t titan dioxit"},"content":{"rendered":"

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1. Y\u00eau c\u1ea7u v\u1ec1 titan \u0111ioxit \u0111\u1ec3 nghi\u1ec1n<\/p>\n

Titanium dioxide \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m s\u1eafc t\u1ed1 c\u00f3 t\u00ednh ch\u1ea5t quang h\u1ecdc tuy\u1ec7t v\u1eddi v\u00e0 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh. Titanium dioxide c\u00f3 y\u00eau c\u1ea7u r\u1ea5t cao v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft. N\u00f3i chung, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a titan dioxide d\u1ef1a tr\u00ean d\u1ea3i b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng kh\u1ea3 ki\u1ebfn, ngh\u0129a l\u00e0 0,15m ~ 0,35m. V\u00e0 l\u00e0 m\u1ed9t s\u1eafc t\u1ed1 c\u01a1 b\u1ea3n m\u00e0u tr\u1eafng, n\u00f3 r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a t\u1ea1p ch\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1ea1p ch\u1ea5t s\u1eaft v\u00e0 m\u1ee9c t\u0103ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i d\u01b0\u1edbi 5 ppm khi nghi\u1ec1n th\u00e0nh b\u1ed9t. Ngo\u00e0i ra, titan dioxide c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t trong c\u00e1c h\u1ec7 s\u01a1n kh\u00e1c nhau. Do \u0111\u00f3, thi\u1ebft b\u1ecb nghi\u1ec1n c\u01a1 h\u1ecdc n\u00f3i chung kh\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, do \u0111\u00f3, qu\u00e1 tr\u00ecnh nghi\u1ec1n titan dioxide cu\u1ed1i c\u00f9ng (nghi\u1ec1n th\u00e0nh ph\u1ea9m) hi\u1ec7n nay, c\u00e1c nh\u00e0 m\u00e1y ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc.<\/p>\n

2. L\u1ef1a ch\u1ecdn m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u1ec3 s\u1ea3n xu\u1ea5t titan dioxit<\/p>\n

Theo y\u00eau c\u1ea7u nghi\u1ec1n c\u1ee7a titan dioxide: ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p, \u00edt t\u0103ng t\u1ea1p ch\u1ea5t, \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, v.v. v\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u c\u1ee7a titan dioxide: \u0111\u1ed9 nh\u1edbt cao, t\u00ednh l\u01b0u \u0111\u1ed9ng k\u00e9m, k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn v\u00e0 d\u1ec5 d\u00e0ng g\u1eafn v\u00e0o t\u01b0\u1eddng, v.v. m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c lo\u1ea1i ph\u1eb3ng (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 lo\u1ea1i \u0111\u0129a ngang) v\u1edbi ch\u1ee9c n\u0103ng c\u1ea5p cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m thi\u1ebft b\u1ecb nghi\u1ec1n cu\u1ed1i c\u00f9ng cho titan dioxide;<\/p>\n

V\u00e0 s\u1eed d\u1ee5ng h\u01a1i qu\u00e1 nhi\u1ec7t l\u00e0m m\u00f4i tr\u01b0\u1eddng nghi\u1ec1n. Do h\u01a1i d\u1ec5 ki\u1ebfm v\u00e0 r\u1ebb n\u00ean \u00e1p su\u1ea5t c\u1ee7a m\u00f4i ch\u1ea5t c\u00f4ng t\u00e1c h\u01a1i cao h\u01a1n nhi\u1ec1u so v\u1edbi kh\u00ed n\u00e9n v\u00e0 c\u0169ng d\u1ec5 t\u0103ng n\u00ean \u0111\u1ed9ng n\u0103ng c\u1ee7a h\u01a1i l\u1edbn h\u01a1n \u0111\u1ed9ng n\u0103ng c\u1ee7a kh\u00ed n\u00e9n. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 s\u1ea1ch c\u1ee7a h\u01a1i qu\u00e1 nhi\u1ec7t cao h\u01a1n so v\u1edbi kh\u00ed n\u00e9n, \u0111\u1ed9 nh\u1edbt th\u1ea5p v\u00e0 kh\u00f4ng c\u00f3 t\u0129nh \u0111i\u1ec7n. H\u01a1n n\u1eefa, trong khi nghi\u1ec1n, n\u00f3 c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf t\u0129nh \u0111i\u1ec7n do va ch\u1ea1m v\u00e0 ma s\u00e1t c\u1ee7a v\u1eadt li\u1ec7u sinh ra, \u0111\u1ed3ng th\u1eddi gi\u1ea3m l\u1ef1c d\u00ednh th\u1ee9 c\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u d\u1ea1ng b\u1ed9t. Ngo\u00e0i ra, nghi\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n \u1ee9ng d\u1ee5ng c\u1ee7a titan dioxit v\u00e0 t\u0103ng t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a titan dioxit. Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a h\u01a1i qu\u00e1 nhi\u1ec7t th\u1ea5p, ch\u1ec9 b\u1eb1ng 30% \u0111\u1ebfn 65% so v\u1edbi kh\u00ed n\u00e9n.<\/p>\n

Ngo\u00e0i ra, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n tia ph\u1eb3ng, c\u00e1c ch\u1ea5t ph\u1ee5 gia h\u1eefu c\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong khi nghi\u1ec1n th\u00e0nh b\u1ed9t \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i h\u1eefu c\u01a1 b\u1ec1 m\u1eb7t c\u1ee7a titan dioxit nh\u1eb1m t\u0103ng kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a titan dioxit trong c\u00e1c h\u1ec7 th\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n

 <\/p>\n

3. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft b\u1ecb phay ph\u1ea3n l\u1ef1c<\/p>\n

(1) M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c: L\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 phay ph\u1ea3n l\u1ef1c, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m. M\u00e1y b\u1ed9t kh\u00ed ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf h\u1ee3p l\u00fd, ch\u1ebf t\u1ea1o t\u1ed1t, \u0111\u1ed9ng n\u0103ng t\u00e1c \u0111\u1ed9ng cao, hi\u1ec7u qu\u1ea3 ph\u00e2n lo\u1ea1i t\u1ed1t, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao. Do \u0111\u00f3, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 ch\u1ecdn m\u1ed9t m\u00e1y b\u1ed9t kh\u00ed.<\/p>\n

(2) Ch\u1ea5t l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc: M\u00f4i tr\u01b0\u1eddng nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t. N\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng h\u01a1i kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u nghi\u1ec1n s\u1ebd \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t kh\u00ed. N\u00f3i chung, c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi h\u01a1i n\u01b0\u1edbc c\u1ee7a m\u00e1y b\u1ed9t kh\u00ed l\u00e0: \u00e1p su\u1ea5t l\u00e0 1,6-2,0 MPa v\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u1eb1m trong kho\u1ea3ng t\u1eeb 290 \u00b0 C \u0111\u1ebfn 310 \u00b0 C. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t th\u1ea5p h\u01a1n y\u00eau c\u1ea7u, \u0111\u1ed9ng n\u0103ng t\u00e1c \u0111\u1ed9ng s\u1ebd th\u1ea5p, l\u1ef1c nghi\u1ec1n s\u1ebd gi\u1ea3m, nhi\u1ec7t c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng \u0111\u1ee7, v\u1eadt li\u1ec7u s\u1ebd d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec1u y\u1ebfu t\u1ed1 b\u1ea5t l\u1ee3i kh\u00e1c, s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 nghi\u1ec1n, l\u00e0m t\u1eafc h\u1ec7 th\u1ed1ng v\u00e0 kh\u00f4ng th\u1ec3 nghi\u1ec1n \u0111\u01b0\u1ee3c. \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng; n\u1ebfu nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t qu\u00e1 cao s\u1ebd l\u00e0m h\u01b0 h\u1ecfng c\u00e1c thi\u1ebft b\u1ecb b\u00ean trong h\u1ec7 th\u1ed1ng.<\/p>\n

(3) Ki\u1ec3m so\u00e1t quy tr\u00ecnh: Phay ph\u1ea3n l\u1ef1c y\u00eau c\u1ea7u ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean t\u1ee5c, v\u00e0 s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a h\u01a1i n\u01b0\u1edbc v\u00e0 l\u01b0\u1ee3ng c\u1ea5p li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1eeb t\u1eeb, nghi\u00eam c\u1ea5m l\u1edbn ho\u1eb7c nh\u1ecf \u0111\u1ed9t ng\u1ed9t. Ngo\u00e0i ra, m\u1ed9t khi h\u1ec7 th\u1ed1ng b\u1ed9t kh\u00f4ng kh\u00ed ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, n\u00f3 n\u00ean ti\u1ebfp t\u1ee5c ch\u1ea1y li\u00ean t\u1ee5c, tr\u00e1nh l\u00e1i xe v\u00e0 \u0111\u1ed7 xe th\u01b0\u1eddng xuy\u00ean. H\u01a1n n\u1eefa, c\u00e1c quy tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t khi l\u00e1i xe v\u00e0 \u0111\u1ed7 xe.<\/p>\n

(4) Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng: \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, c\u00e1c thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t c\u1ea7n thi\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed h\u1ee3p l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ecbp th\u1eddi \u0111i\u1ec1u ch\u1ec9nh theo di\u1ec5n bi\u1ebfn c\u1ee7a t\u00ecnh h\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c: L\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 phay ph\u1ea3n l\u1ef1c, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n","protected":false},"author":7,"featured_media":108247,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127143","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\/127143","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=127143"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/108247"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}