{"id":113404,"date":"2021-11-11T15:15:27","date_gmt":"2021-11-11T07:15:27","guid":{"rendered":"https:\/\/www.alpapowder.com\/113404\/"},"modified":"2021-11-11T15:15:27","modified_gmt":"2021-11-11T07:15:27","slug":"mo-ta-chi-tiet-cua-may-nghien-phan-luc","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113404\/","title":{"rendered":"M\u00f4 t\u1ea3 chi ti\u1ebft c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c"},"content":{"rendered":"

M\u00e1y nghi\u1ec1n tia l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c v\u1eadt li\u1ec7u kh\u00f4. N\u00f3 c\u00f3 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng m\u00e1y bay ph\u1ea3n l\u1ef1c cao v\u00e0 c\u00f3 c\u00e1c l\u1ee3i th\u1ebf hi\u1ec7u su\u1ea5t \u0111\u00e1ng k\u1ec3 nh\u01b0 kh\u00f4ng n\u00f3ng, kh\u00f4ng \u00f4 nhi\u1ec5m, m\u00e0i m\u00f2n th\u1ea5p v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c v\u1eadt li\u1ec7u \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, \u0111\u1ed9 tinh khi\u1ebft cao v\u00e0 \u0111\u1ed9 c\u1ee9ng cao. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y, d\u1ec5 n\u1ed5 v\u00e0 d\u1ec5 oxy h\u00f3a, kh\u00ed tr\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m m\u00f4i ch\u1ea5t \u0111\u1ec3 nghi\u1ec1n m\u1ea1ch k\u00edn v\u00e0 kh\u00ed tr\u01a1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, b\u1ed9 thu l\u1ed1c xo\u00e1y, b\u1ed9 h\u00fat b\u1ee5i, qu\u1ea1t h\u00fat c\u1ea3m \u1ee9ng, t\u1ee7 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ee7a m\u1ed9t b\u1ed9 ho\u00e0n ch\u1ec9nh c\u1ee7a h\u1ec7 th\u1ed1ng nghi\u1ec1n. Sau khi kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c l\u1ecdc v\u00e0 l\u00e0m kh\u00f4, n\u00f3 \u0111\u01b0\u1ee3c phun v\u00e0o khoang nghi\u1ec1n b\u1ed9t v\u1edbi t\u1ed1c \u0111\u1ed9 cao qua v\u00f2i Laval. T\u1ea1i n\u01a1i giao nhau c\u1ee7a nhi\u1ec1u lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao, c\u00e1c v\u1eadt li\u1ec7u li\u00ean t\u1ee5c b\u1ecb va ch\u1ea1m, c\u1ecd x\u00e1t v\u00e0 c\u1eaft th\u00e0nh b\u1ed9t. C\u00e1c v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t \u0111i v\u00e0o khoang ph\u00e2n lo\u1ea1i v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed t\u0103ng d\u1ea7n. D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m do c\u00e1nh qu\u1ea1t ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 cao t\u1ea1o ra v\u00e0 l\u1ef1c h\u01b0\u1edbng t\u00e2m do d\u00f2ng kh\u00ed t\u1ea1o ra, c\u00e1c h\u1ea1t th\u00f4 v\u00e0 m\u1ecbn \u0111\u01b0\u1ee3c t\u00e1ch ra. C\u00e1c h\u1ea1t m\u1ecbn \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111i v\u00e0o b\u1ed9 thu xyclon v\u00e0 b\u1ed9 h\u00fat b\u1ee5i qua khe h\u1edf c\u1ee7a c\u00e1nh qu\u1ea1t ph\u00e2n lo\u1ea1i, v\u00e0 c\u00e1c h\u1ea1t th\u00f4 s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea9y ra ngo\u00e0i b\u1edfi c\u00e1nh qu\u1ea1t ph\u00e2n lo\u1ea1i. H\u1ea1 xu\u1ed1ng khu v\u1ef1c nghi\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c nghi\u1ec1n.<\/p>\n

C\u00e1c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1eb3ng, m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i v\u00e0 m\u00e1y nghi\u1ec1n \u1ed1ng tu\u1ea7n ho\u00e0n.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1eb3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t lu\u1ed3ng kh\u00f4ng kh\u00ed \u00e1p su\u1ea5t cao \u0111\u1eadp \u0111\u1ed9ng n\u0103ng \u0111i v\u00e0o t\u00fai ch\u1ee9a kh\u00ed \u1ed5n \u0111\u1ecbnh \u00e1p su\u1ea5t b\u00ean ngo\u00e0i khoang nghi\u1ec1n b\u1ed9t nh\u01b0 m\u1ed9t tr\u1ea1m ph\u00e2n ph\u1ed1i kh\u00f4ng 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 thanh qua v\u00f2i Laval v\u00e0 sau \u0111\u00f3 \u0111i v\u00e0o khoang m\u00e1y nghi\u1ec1n b\u1ed9t. B\u1edfi v\u00ec v\u00f2i phun Laval v\u00e0 khoang 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 mang v\u1eadt li\u1ec7u \u0111\u1ed9ng v\u1eadt trong khoang nghi\u1ec1n \u0111\u1ec3 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng tu\u1ea7n ho\u00e0n, v\u00e0 c\u00e1c h\u1ea1t v\u00e0 th\u00e0nh c\u1ee7a t\u1ea5m m\u1ee5c ti\u00eau c\u1ed1 \u0111\u1ecbnh va ch\u1ea1m, va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t v\u00e0o nhau \u0111\u1ec3 nghi\u1ec1n n\u00e1t. C\u00e1c h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c d\u1eabn h\u01b0\u1edbng b\u1edfi lu\u1ed3ng kh\u00f4ng kh\u00ed h\u01b0\u1edbng t\u00e2m v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng ra trung t\u00e2m c\u1ee7a m\u00e1y nghi\u1ec1n v\u00e0 \u0111i v\u00e0o thi\u1ebft b\u1ecb t\u00e1ch xyclon \u0111\u1ec3 thu gom. B\u1ed9t th\u00f4 \u0111\u01b0\u1ee3c n\u00e9m ra th\u00e0nh ngo\u1ea1i vi c\u1ee7a bu\u1ed3ng nghi\u1ec1n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m t\u1ea1o th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng tr\u00f2n v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c nghi\u1ec1n nh\u1ecf.<\/p>\n

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M\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh trong \u0111\u00f3 kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c b\u1edfi v\u00f2i phun Laval th\u00e0nh lu\u1ed3ng kh\u00f4ng kh\u00ed si\u00eau thanh, sau \u0111\u00f3 \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o v\u00f9ng nghi\u1ec1n \u0111\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u00f4i (lu\u1ed3ng kh\u00f4ng kh\u00ed m\u1edf r\u1ed9ng th\u00e0nh huy\u1ec1n ph\u00f9 t\u1ea7ng s\u00f4i v\u00e0 s\u00f4i v\u00e0 va ch\u1ea1m v\u1edbi nhau) , do \u0111\u00f3 m\u1ed7i h\u1ea1t C\u00f3 c\u00f9ng tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed9ng. Trong v\u00f9ng nghi\u1ec1n, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c gia t\u1ed1c va ch\u1ea1m v\u00e0 nghi\u1ec1n n\u00e1t t\u1ea1i giao \u0111i\u1ec3m c\u1ee7a c\u00e1c v\u00f2i phun. C\u00e1c v\u1eadt li\u1ec7u \u0111\u00e3 nghi\u1ec1n \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn khu v\u1ef1c ph\u00e2n lo\u1ea1i b\u1eb1ng lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111i l\u00ean, v\u00e0 b\u1ed9t m\u1ecbn \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c s\u00e0ng ra b\u1eb1ng b\u00e1nh xe ph\u00e2n lo\u1ea1i, v\u00e0 b\u1ed9t th\u00f4 kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c 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 nghi\u1ec1n th\u00e0nh b\u1ed9t. B\u1ed9t m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111i v\u00e0o thi\u1ebft b\u1ecb t\u00e1ch xyclon hi\u1ec7u su\u1ea5t cao c\u00f9ng v\u1edbi lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thu gom, v\u00e0 kh\u00ed ch\u1ee9a b\u1ee5i \u0111\u01b0\u1ee3c l\u1ecdc v\u00e0 l\u00e0m s\u1ea1ch b\u1eb1ng thi\u1ebft b\u1ecb h\u00fat b\u1ee5i v\u00e0 th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n.<\/p>\n

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Nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a m\u00e1y nghi\u1ec1n \u1ed1ng tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o bu\u1ed3ng nghi\u1ec1n b\u1eb1ng c\u00e1c v\u00f2i phun, v\u00e0 d\u00f2ng kh\u00ed \u00e1p su\u1ea5t cao \u0111\u01b0\u1ee3c phun v\u00e0o bu\u1ed3ng nghi\u1ec1n \u1ed1ng tu\u1ea7n ho\u00e0n h\u00ecnh \u0111\u01b0\u1eddng \u0111ua 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 b\u1ed9 v\u00f2i phun, l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 c\u00e1c h\u1ea1t va ch\u1ea1m, va ch\u1ea1m v\u00e0 c\u1ecd x\u00e1t v\u00e0o nhau \u0111\u1ec3 nghi\u1ec1n n\u00e1t. \u0110\u1ed3ng th\u1eddi, d\u00f2ng xo\u00e1y c\u0169ng \u0111\u1ea9y c\u00e1c h\u1ea1t nghi\u1ec1n l\u00ean tr\u00ean v\u00e0o v\u00f9ng ph\u00e2n lo\u1ea1i d\u1ecdc theo \u0111\u01b0\u1eddng \u1ed1ng, v\u00e0 d\u00f2ng nguy\u00ean li\u1ec7u d\u00e0y \u0111\u1eb7c \u0111\u01b0\u1ee3c ph\u00e2n chia d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tr\u01b0\u1eddng l\u1ef1c ly t\u00e2m trong v\u00f9ng ph\u00e2n lo\u1ea1i, v\u00e0 c\u00e1c h\u1ea1t m\u1ecbn \u0111\u01b0\u1ee3c th\u1ea3i ra ngo\u00e0i sau khi \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i b\u1eb1ng b\u1ed9 ph\u00e2n lo\u1ea1i qu\u00e1n t\u00ednh ki\u1ec3u c\u00e1nh \u0111\u1ea3o gi\u00f3 \u1edf l\u1edbp b\u00ean trong. C\u00e1c h\u1ea1t th\u00f4 quay tr\u1edf l\u1ea1i theo \u0111\u01b0\u1eddng \u1ed1ng \u0111i xu\u1ed1ng \u1edf l\u1edbp ngo\u00e0i v\u00e0 ti\u1ebfp t\u1ee5c tu\u1ea7n ho\u00e0n v\u00e0 nghi\u1ec1n n\u00e1t.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, kho\u00e1ng s\u1ea3n, luy\u1ec7n kim, m\u00e0i m\u00f2n, g\u1ed1m s\u1ee9, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, y h\u1ecdc, thu\u1ed1c tr\u1eeb s\u00e2u, th\u1ef1c ph\u1ea9m, s\u1ea3n ph\u1ea9m y t\u1ebf, v\u1eadt li\u1ec7u m\u1edbi, v.v. \u0110i\u1ec1u n\u00e0y kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi nh\u1eefng l\u1ee3i th\u1ebf hi\u1ec7u su\u1ea5t \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a n\u00f3. C\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c nh\u01b0 sau:<\/p>\n

1. C\u01a1 c\u1ea5u t\u1ed5 h\u1ee3p bi\u1ebfn \u0111\u1ed5i: m\u1ed9t m\u00e1y cho hai m\u1ee5c \u0111\u00edch, c\u00f3 th\u1ec3 nghi\u1ec1n ho\u1eb7c ph\u00e2n lo\u1ea1i ri\u00eang bi\u1ec7t;<\/p>\n

2. T\u1ea7ng nhi\u1ec1u t\u1ea7ng: C\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi 1-5 m\u00e1y ph\u00e2n lo\u1ea1i \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 ph\u00e2n b\u1ed1 c\u1ee1 h\u1ea1t h\u1eb9p;<\/p>\n

3. K\u00edch th\u01b0\u1edbc h\u1ea1t nghi\u1ec1n \u0111a d\u1ea1ng: K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a th\u00e0nh ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh trong kho\u1ea3ng D97 = 3-150 micron, v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t t\u1ed1t;<\/p>\n

4. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c l\u00e0m k\u00edn v\u00e0 nghi\u1ec1n nh\u1ecf, \u00edt b\u1ee5i, \u00edt ti\u1ebfng \u1ed3n, quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1ea1ch v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng;<\/p>\n

5. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c th\u00f4ng qua v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00e1y nghi\u1ec1n tia l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c v\u1eadt li\u1ec7u kh\u00f4. N\u00f3 c\u00f3 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng m\u00e1y bay ph\u1ea3n l\u1ef1c cao v\u00e0 c\u00f3 c\u00e1c l\u1ee3i th\u1ebf hi\u1ec7u su\u1ea5t \u0111\u00e1ng k\u1ec3 nh\u01b0 kh\u00f4ng n\u00f3ng, kh\u00f4ng \u00f4 nhi\u1ec5m, m\u00e0i m\u00f2n th\u1ea5p v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n","protected":false},"author":6,"featured_media":83598,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[946,947,886],"class_list":["post-113404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-may-nghien-phang","tag-may-nghien-tang-soi","tag-nghien-khi-nen"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113404","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=113404"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113404\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/83598"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}