{"id":125936,"date":"2023-03-01T14:34:55","date_gmt":"2023-03-01T06:34:55","guid":{"rendered":"https:\/\/www.alpapowder.com\/125936\/"},"modified":"2023-03-01T14:34:56","modified_gmt":"2023-03-01T06:34:56","slug":"ung-dung-cua-thiet-bi-nghien-tia-trong-san-xuat-titan-dioxit","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/125936\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb nghi\u1ec1n tia trong s\u1ea3n xu\u1ea5t titan dioxit"},"content":{"rendered":"
<\/p>\n
1. Nguy\u00ean l\u00fd phay ph\u1ea3n l\u1ef1c<\/p>\n
Thi\u1ebft b\u1ecb nghi\u1ec1n ph\u1ea3n l\u1ef1c bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ho\u1eb7c m\u00e1y nghi\u1ec1n n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u1ec3 l\u00e0m cho c\u00e1c h\u1ea1t va ch\u1ea1m, va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t v\u1edbi nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh nghi\u1ec1n ho\u1eb7c kh\u1eed polyme si\u00eau m\u1ecbn. Nguy\u00ean t\u1eafc chung c\u1ee7a phay ph\u1ea3n l\u1ef1c: Kh\u00ed n\u00e9n kh\u00f4 v\u00e0 kh\u00f4ng d\u1ea7u ho\u1eb7c h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u01b0\u1ee3c gia t\u1ed1c th\u00e0nh lu\u1ed3ng kh\u00f4ng kh\u00ed si\u00eau \u00e2m th\u00f4ng qua v\u00f2i Laval, v\u00e0 ph\u1ea3n l\u1ef1c t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c \u0111\u1ea9y ra s\u1ebd \u0111\u1ea9y v\u1eadt li\u1ec7u di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 cao, khi\u1ebfn c\u00e1c h\u1ea1t va ch\u1ea1m v\u00e0o nhau v\u00e0 c\u1ecd x\u00e1t v\u00e0o nhau \u0111\u1ec3 b\u1ecb nghi\u1ec1n n\u00e1t. C\u00e1c v\u1eadt li\u1ec7u nghi\u1ec1n \u0111\u1ebfn khu v\u1ef1c ph\u00e2n lo\u1ea1i v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed v\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 m\u1ecbn cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c thu th\u1eadp b\u1edfi b\u1ed9 ph\u00e2n lo\u1ea1i v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c nghi\u1ec1n.<\/p>\n
2. Ph\u00e2n lo\u1ea1i thi\u1ebft b\u1ecb phay ph\u1ea3n l\u1ef1c<\/p>\n
Ch\u1ee7 y\u1ebfu c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc t\u00f4i: m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1eb3ng, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u1ed1ng tu\u1ea7n ho\u00e0n, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1ea3n l\u1ef1c v\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c m\u1ee5c ti\u00eau. Trong s\u1ed1 c\u00e1c lo\u1ea1i m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c n\u00e0y, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1eb3ng, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i v\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u1ed1ng tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n
2.1 M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1ea3n l\u1ef1c<\/p>\n
Sau khi v\u1eadt li\u1ec7u \u0111i v\u00e0o bu\u1ed3ng nghi\u1ec1n th\u00f4ng qua b\u1ed9 c\u1ea5p li\u1ec7u tr\u1ee5c v\u00edt, n\u0103ng l\u01b0\u1ee3ng t\u00e1c \u0111\u1ed9ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c phun ra b\u1edfi m\u1ed9t s\u1ed1 v\u00f2i t\u01b0\u01a1ng \u0111\u1ed1i c\u1ed1 \u0111\u1ecbnh, v\u00e0 s\u1ef1 gi\u00e3n n\u1edf nhanh ch\u00f3ng c\u1ee7a lu\u1ed3ng kh\u00ed t\u1ea1o th\u00e0nh va ch\u1ea1m v\u00e0 ma s\u00e1t do h\u1ec7 th\u1ed1ng treo v\u00e0 s\u00f4i c\u1ee7a v\u1eadt li\u1ec7u t\u1ea1o ra. t\u1ea7ng s\u00f4i \u0111\u1ec3 nghi\u1ec1n v\u1eadt li\u1ec7u. B\u1ed9t h\u1ed7n h\u1ee3p th\u00f4 v\u00e0 m\u1ecbn \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t \u00e2m th\u00f4ng qua thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i tuabin \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean \u0111\u1ec9nh. B\u1ed9t m\u1ecbn bu\u1ed9c ph\u1ea3i \u0111i qua thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c thu gom b\u1edfi b\u1ed9 thu cyclone v\u00e0 t\u00fai l\u1ecdc. B\u1ed9t th\u00f4 b\u1ecb n\u00e9m \u0111i b\u1edfi tr\u1ecdng l\u1ef1c v\u00e0 l\u1ef1c ly t\u00e2m \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i quay t\u1ed1c \u0111\u1ed9 cao. N\u00f3 \u0111i \u0111\u1ebfn b\u1ed1n b\u1ee9c t\u01b0\u1eddng v\u00e0 quay tr\u1edf l\u1ea1i bu\u1ed3ng nghi\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c nghi\u1ec1n.<\/p>\n
2.2 M\u00e1y nghi\u1ec1n ph\u1eb3ng<\/p>\n
Lu\u1ed3ng kh\u00ed \u00e1p su\u1ea5t cao d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed9ng n\u0103ng nghi\u1ec1n \u0111i v\u00e0o t\u00fai ch\u1ee9a kh\u00ed \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t \u1edf ngo\u1ea1i vi bu\u1ed3ng nghi\u1ec1n nh\u01b0 m\u1ed9t tr\u1ea1m ph\u00e2n ph\u1ed1i kh\u00ed. Lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c th\u00e0nh lu\u1ed3ng kh\u00f4ng kh\u00ed si\u00eau \u00e2m qua v\u00f2i Laval r\u1ed3i \u0111i v\u00e0o bu\u1ed3ng nghi\u1ec1n, v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c v\u00e0o bu\u1ed3ng nghi\u1ec1n th\u00f4ng qua v\u00f2i Venturi. Th\u1ef1c hi\u1ec7n nghi\u1ec1n \u0111\u1ed3ng th\u1eddi. Do v\u00f2i Laval v\u00e0 bu\u1ed3ng nghi\u1ec1n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf m\u1ed9t g\u00f3c nh\u1ecdn, d\u00f2ng ph\u1ea3n l\u1ef1c t\u1ed1c \u0111\u1ed9 cao s\u1ebd \u0111\u1ea9y v\u1eadt li\u1ec7u l\u01b0u th\u00f4ng trong bu\u1ed3ng nghi\u1ec1n v\u00e0 c\u00e1c h\u1ea1t va ch\u1ea1m, va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t v\u1edbi nhau c\u0169ng nh\u01b0 v\u1edbi th\u00e0nh c\u1ee7a m\u00e1y nghi\u1ec1n. t\u1ea5m m\u1ee5c ti\u00eau c\u1ed1 \u0111\u1ecbnh b\u1ecb nghi\u1ec1n n\u00e1t. \u0110\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi lu\u1ed3ng kh\u00f4ng kh\u00ed h\u01b0\u1edbng t\u00e2m, c\u00e1c h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u1ed1ng tho\u00e1t trung t\u00e2m c\u1ee7a m\u00e1y nghi\u1ec1n b\u1ed9t v\u00e0 \u0111i v\u00e0o thi\u1ebft b\u1ecb t\u00e1ch l\u1ed1c xo\u00e1y \u0111\u1ec3 thu gom, trong khi b\u1ed9t th\u00f4 \u0111\u01b0\u1ee3c n\u00e9m v\u00e0o th\u00e0nh xung quanh c\u1ee7a bu\u1ed3ng nghi\u1ec1n b\u1ed9t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ly t\u00e2m \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n v\u00e0 ti\u1ebfp t\u1ee5c nghi\u1ec1n th\u00e0nh b\u1ed9t.<\/p>\n
2.3 M\u00e1y nghi\u1ec1n tia \u1ed1ng tu\u1ea7n ho\u00e0n<\/p>\n
Nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o bu\u1ed3ng nghi\u1ec1n th\u00f4ng qua v\u00f2i Venturi v\u00e0 kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c phun v\u00e0o bu\u1ed3ng nghi\u1ec1n h\u00ecnh \u1ed1ng tu\u1ea7n ho\u00e0n h\u00ecnh \u0111\u01b0\u1eddng b\u0103ng v\u1edbi \u0111\u01b0\u1eddng k\u00ednh kh\u00f4ng b\u1eb1ng nhau v\u00e0 \u0111\u1ed9 cong thay \u0111\u1ed5i th\u00f4ng qua m\u1ed9t nh\u00f3m v\u00f2i, \u0111\u1ea9y nhanh c\u00e1c h\u1ea1t va ch\u1ea1m, va ch\u1ea1m , c\u1ecd x\u00e1t v\u00e0 \u0111\u00e8 b\u1eb9p nhau. \u0110\u1ed3ng th\u1eddi, d\u00f2ng xo\u00e1y c\u0169ng \u0111\u1ea9y c\u00e1c h\u1ea1t b\u1ecb nghi\u1ec1n n\u00e1t l\u00ean tr\u00ean khu v\u1ef1c ph\u00e2n lo\u1ea1i d\u1ecdc theo \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 d\u00f2ng nguy\u00ean li\u1ec7u d\u00e0y \u0111\u1eb7c b\u1ecb chuy\u1ec3n h\u01b0\u1edbng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a tr\u01b0\u1eddng l\u1ef1c ly t\u00e2m trong khu v\u1ef1c ph\u00e2n lo\u1ea1i, v\u00e0 c\u00e1c h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c th\u1ea3i ra sau khi \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i b\u1edfi b\u1ed9 ph\u00e2n lo\u1ea1i qu\u00e1n t\u00ednh ki\u1ec3u m\u00e1i h\u1eaft \u1edf l\u1edbp b\u00ean trong. C\u00e1c h\u1ea1t th\u00f4 quay tr\u1edf l\u1ea1i d\u1ecdc theo \u1ed1ng x\u1ea3 \u1edf l\u1edbp ngo\u00e0i v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t theo h\u00ecnh tr\u00f2n.<\/p>\n
2.4 M\u00e1y nghi\u1ec1n jet t\u1ea7ng s\u00f4i<\/p>\n
M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c (m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i) l\u00e0 kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c v\u00f2i Laval gia t\u1ed1c th\u00e0nh lu\u1ed3ng kh\u00ed si\u00eau \u00e2m r\u1ed3i b\u01a1m v\u00e0o khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u h\u00f3a l\u1ecfng (lu\u1ed3ng kh\u00f4ng kh\u00ed n\u1edf ra t\u1ea1o th\u00e0nh t\u1ea7ng s\u00f4i l\u01a1 l\u1eedng v\u00e0 s\u00f4i v\u00e0 va ch\u1ea1m v\u1edbi nhau). Do \u0111\u00f3 m\u1ecdi h\u1ea1t \u0111\u1ec1u c\u00f3 tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed9ng nh\u01b0 nhau. Trong khu v\u1ef1c nghi\u1ec1n th\u00e0nh b\u1ed9t, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c gia t\u1ed1c va ch\u1ea1m v\u1edbi nhau v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t t\u1ea1i \u0111i\u1ec3m n\u1ed1i c\u1ee7a m\u1ed7i v\u00f2i. V\u1eadt li\u1ec7u nghi\u1ec1n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn khu v\u1ef1c ph\u00e2n lo\u1ea1i b\u1eb1ng d\u00f2ng ch\u1ea3y ng\u01b0\u1ee3c v\u00e0 b\u1ed9t m\u1ecbn \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c s\u00e0ng l\u1ecdc b\u1eb1ng c\u00e1c b\u00e1nh xe ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo chi\u1ec1u ngang v\u00e0 b\u1ed9t th\u00f4 kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c th\u1ea7m y\u00eau. B\u1ed9t m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111i v\u00e0o thi\u1ebft b\u1ecb t\u00e1ch l\u1ed1c xo\u00e1y hi\u1ec7u su\u1ea5t cao v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thu gom v\u00e0 kh\u00ed b\u1ee5i \u0111\u01b0\u1ee3c l\u1ecdc v\u00e0 tinh ch\u1ebf b\u1eb1ng b\u1ed9 thu b\u1ee5i r\u1ed3i th\u1ea3i ra kh\u00ed quy\u1ec3n.<\/p>\n","protected":false},"excerpt":{"rendered":"
Thi\u1ebft b\u1ecb nghi\u1ec1n ph\u1ea3n l\u1ef1c bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ho\u1eb7c m\u00e1y nghi\u1ec1n n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u1ec3 l\u00e0m cho c\u00e1c h\u1ea1t va ch\u1ea1m, va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t v\u1edbi nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh nghi\u1ec1n ho\u1eb7c kh\u1eed polyme si\u00eau m\u1ecbn.<\/p>\n","protected":false},"author":7,"featured_media":108286,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-125936","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\/125936","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=125936"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/125936\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/108286"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=125936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=125936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=125936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}