{"id":127893,"date":"2023-07-26T14:26:42","date_gmt":"2023-07-26T06:26:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/127893\/"},"modified":"2023-07-26T14:26:43","modified_gmt":"2023-07-26T06:26:43","slug":"thiet-bi-nghien-sieu-min-y-te-may-nghien-phan-luc","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/127893\/","title":{"rendered":"Thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn y t\u1ebf – m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c"},"content":{"rendered":"

Qu\u00e1 tr\u00ecnh vi h\u1ea1t h\u00f3a nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng h\u00f2a tan c\u1ee7a c\u00e1c lo\u1ea1i thu\u1ed1c h\u00f2a tan k\u00e9m v\u00e0 t\u1ed1c \u0111\u1ed9 h\u00f2a tan c\u1ee7a c\u00e1c ch\u1ebf ph\u1ea9m r\u1eafn \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf t\u1eeb c\u00e1c lo\u1ea1i thu\u1ed1c h\u00f2a tan k\u00e9m d\u1ea1ng b\u1ed9t si\u00eau m\u1ecbn c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111\u00e1nh gi\u00e1 t\u00ednh nh\u1ea5t qu\u00e1n trong n\u01b0\u1edbc. M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong thi\u1ebft b\u1ecb nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn, c\u00f3 th\u1ec3 nghi\u1ec1n nguy\u00ean li\u1ec7u th\u00e0nh b\u1ed9t v\u00e0i micron. M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ho\u1eb7c m\u00e1y nghi\u1ec1n n\u0103ng l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y, s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u1ec3 va ch\u1ea1m, nghi\u1ec1n v\u00e0 c\u1eaft v\u1eadt li\u1ec7u nh\u1eb1m nghi\u1ec1n n\u00e1t ch\u00fang.<\/p>\n

Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb b\u1ed9t<\/p>\n

Sau khi kh\u00ed n\u00e9n ho\u1eb7c kh\u00ed tr\u01a1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u00e1p trong v\u00f2i phun, l\u1ef1c phun c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u00e0n h\u1ed3i t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra t\u00e1c \u0111\u1ed9ng m\u1ea1nh, c\u1eaft, va ch\u1ea1m v\u00e0 ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t, kh\u00ed v\u00e0 h\u1ea1t, h\u1ea1t v\u00e0 t\u01b0\u1eddng v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. V\u00e0 nh\u01b0 th\u1ebf. \u0110\u1ed3ng th\u1eddi, d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ly t\u00e2m c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed quay ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi m\u00e1y ph\u00e2n lo\u1ea1i, c\u00e1c h\u1ea1t th\u00f4 v\u00e0 m\u1ecbn \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn.<\/p>\n

(1) M\u00e1y nghi\u1ec1n ph\u1eb3ng<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1eb3ng c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u0129a. Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y l\u00e0 kh\u00ed n\u00e9n \u0111i v\u00e0o bu\u1ed3ng ph\u00e2n ph\u1ed1i kh\u00ed th\u00f4ng qua c\u1eeda h\u00fat gi\u00f3, t\u1ea1o ra \u00e1p su\u1ea5t \u00e2m v\u00e0 v\u1eadt li\u1ec7u \u0111i v\u00e0o bu\u1ed3ng tr\u1ed9n, sau \u0111\u00f3 \u0111\u01b0\u1ee3c lu\u1ed3ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao phun v\u00e0o bu\u1ed3ng nghi\u1ec1n. \u0111\u1ea9y ra kh\u1ecfi v\u00f2i phun. ph\u00f2ng. H\u01b0\u1edbng xuy\u00ean t\u00e2m c\u1ee7a v\u00f2i v\u00e0 bu\u1ed3ng nghi\u1ec1n c\u00f3 m\u1ed9t g\u00f3c nh\u1ea5t \u0111\u1ecbnh, do \u0111\u00f3 v\u1eadt li\u1ec7u quay v\u1edbi t\u1ed1c \u0111\u1ed9 r\u1ea5t cao d\u01b0\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao phun ra t\u1eeb v\u00f2i v\u00e0 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n. C\u00e1c v\u1eadt li\u1ec7u va ch\u1ea1m v\u1edbi nhau, v\u00e0 th\u00e0nh trong c\u1ee7a bu\u1ed3ng nghi\u1ec1n va ch\u1ea1m, m\u00e0i, v.v., n\u00ean v\u1eadt li\u1ec7u b\u1ecb nghi\u1ec1n n\u00e1t. C\u00e1c v\u1eadt li\u1ec7u th\u00f4 kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c n\u00e9m v\u00e0o t\u01b0\u1eddng \u0111\u1ec3 ti\u1ebfp t\u1ee5c nghi\u1ec1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ly t\u00e2m, v\u00e0 b\u1ed9t m\u1ecbn \u0111i v\u00e0o h\u1ec7 th\u1ed1ng thu gom c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1eeb \u1ed1ng x\u1ea3 c\u1ee7a m\u00e1y nghi\u1ec1n \u0111\u1ec3 thu gom s\u1ea3n ph\u1ea9m \u0111\u00e3 nghi\u1ec1n.<\/p>\n

\"\"<\/p>\n

(2) M\u00e1y nghi\u1ec1n tia t\u1ea7ng s\u00f4i (phun ng\u01b0\u1ee3c)<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i (m\u00e1y ph\u1ea3n l\u1ef1c \u0111\u1ed1i di\u1ec7n) l\u00e0 m\u1ed9t m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c m\u1edbi h\u01a1n. Nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1ea3n l\u1ef1c t\u1ea7ng s\u00f4i l\u00e0 lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111i qua m\u1ed9t nh\u00f3m v\u00f2i phun (s\u1ed1 > 2) \u0111\u1ec3 t\u1ea1o th\u00e0nh tr\u01b0\u1eddng d\u00f2ng ph\u1ea3n l\u1ef1c trong m\u00e1y nghi\u1ec1n v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c h\u00f3a l\u1ecfng. C\u00e1c v\u1eadt li\u1ec7u trong m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c s\u1ebd c\u00f3 va ch\u1ea1m m\u1ea1nh, ma s\u00e1t v\u00e0 t\u00e1c \u0111\u1ed9ng gi\u1eefa c\u00e1c h\u1ea1t t\u1ea1i \u0111i\u1ec3m giao nhau c\u1ee7a tia phun, sau \u0111\u00f3 b\u1ecb nghi\u1ec1n n\u00e1t. B\u1ed9t nghi\u1ec1n \u0111i qua b\u1ed9 ph\u00e2n lo\u1ea1i d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1p su\u1ea5t \u00e2m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c thu th\u1eadp b\u1edfi b\u1ed9 t\u00e1ch l\u1ed1c v\u00e0 b\u1ed9 thu b\u1ee5i, trong khi c\u00e1c h\u1ea1t th\u00f4 h\u01a1n kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 nghi\u1ec1n th\u00e0nh b\u1ed9t d\u01b0\u1edbi \u1ea3nh h\u01b0\u1edfng c\u1ee7a tr\u1ecdng l\u1ef1c.<\/p>\n

\"\"<\/p>\n

C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u1ec3 nghi\u1ec1n thu\u1ed1c<\/p>\n

1. Ph\u1ea1m vi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh l\u00e0 t\u1ed1t<\/p>\n

Th\u00f4ng qua quy tr\u00ecnh nghi\u1ec1n lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao v\u00e0 l\u1ef1c ly t\u00e2m c\u1ee7a v\u00f2ng quay lu\u1ed3ng kh\u00f4ng kh\u00ed c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c, vi\u1ec7c ph\u00e2n lo\u1ea1i t\u1ef1 \u0111\u1ed9ng c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0 h\u1eb9p, k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh l\u00e0 t\u1ed1t v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t D50 n\u1eb1m trong kho\u1ea3ng t\u1eeb 5 \u0111\u1ebfn 10 \u03bcm.<\/p>\n

2. H\u00ecnh d\u1ea1ng b\u1ed9t t\u1ed1t, \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m cao<\/p>\n

B\u1ec1 ngo\u00e0i c\u1ee7a b\u1ed9t do m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c t\u1ea1o ra c\u00f3 d\u1ea1ng h\u00ecnh c\u1ea7u, b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t nh\u1eb5n, h\u00ecnh d\u1ea1ng \u0111\u1ec1u \u0111\u1eb7n, \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, hao m\u00f2n c\u01a1 h\u1ecdc nh\u1ecf trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m cao.<\/p>\n

3. Th\u00edch h\u1ee3p cho c\u00e1c lo\u1ea1i thu\u1ed1c c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p v\u00e0 nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng kh\u00ed n\u00e9n v\u00e0 lu\u1ed3ng kh\u00ed n\u00e9n t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra hi\u1ec7u \u1ee9ng Joule Thomson. Va ch\u1ea1m \u0111o\u1ea1n nhi\u1ec7t b\u1eb1ng kh\u00ed n\u00e9n t\u1ea1i v\u00f2i l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng nghi\u1ec1n v\u00e0 b\u00f9 nhi\u1ec7t sinh ra do va ch\u1ea1m v\u00e0 ma s\u00e1t thu\u1ed1c.<\/p>\n

4. Ni\u00eam phong t\u1ed1t, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m<\/p>\n

Do hi\u1ec7u su\u1ea5t b\u1ecbt k\u00edn t\u1ed1t c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, n\u0103ng su\u1ea5t s\u1ea3n ph\u1ea9m cao; to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh nghi\u1ec1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi \u00e1p su\u1ea5t \u00e2m, kh\u00f4ng r\u00f2 r\u1ec9, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh v\u00f4 tr\u00f9ng.<\/p>\n

5. Ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n-tr\u1ed9n-s\u1ea5y tr\u1ef1c tuy\u1ebfn<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c tuy\u1ebfn nh\u01b0 nghi\u1ec1n, tr\u1ed9n v\u00e0 s\u1ea5y kh\u00f4, \u0111\u1ed3ng th\u1eddi c\u0169ng c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ed9t thu\u1ed1c \u0111\u1ed3ng th\u1eddi. V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c \u0111\u01b0\u1ee3c phun th\u00e0nh ch\u1ea5t l\u1ecfng trong qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t, bao ph\u1ee7 v\u00e0 bi\u1ebfn \u0111\u1ed5i c\u00e1c h\u1ea1t.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u b\u1ed9t si\u00eau nh\u1ecf hi\u1ec7u su\u1ea5t cao kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong thi\u1ebft b\u1ecb nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn, c\u00f3 th\u1ec3 nghi\u1ec1n nguy\u00ean li\u1ec7u th\u00e0nh b\u1ed9t v\u00e0i micron.<\/p>\n","protected":false},"author":7,"featured_media":111308,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127893","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\/127893","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=127893"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111308"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}