{"id":127410,"date":"2023-06-07T11:43:53","date_gmt":"2023-06-07T03:43:53","guid":{"rendered":"https:\/\/www.alpapowder.com\/127410\/"},"modified":"2023-06-07T11:43:54","modified_gmt":"2023-06-07T03:43:54","slug":"quy-trinh-san-xuat-bot-sieu-min-impact-pulverization","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/127410\/","title":{"rendered":"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed9t si\u00eau m\u1ecbn – Impact pulverization"},"content":{"rendered":"

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\u0110\u00f3 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i t\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i \u0111\u1ec3 nghi\u1ec1n c\u01a1 h\u1ecdc c\u00e1c v\u1eadt li\u1ec7u r\u1eddi th\u00e0nh b\u1ed9t. Hi\u1ec7n nay, b\u1ed9t si\u00eau m\u1ecbn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u1eabn ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o nghi\u1ec1n c\u01a1 h\u1ecdc. C\u00e1c thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m: m\u00e1y nghi\u1ec1n t\u1ef1 sinh, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1ed1c \u0111\u1ed9 cao, m\u00e1y nghi\u1ec1n rung, m\u00e1y nghi\u1ec1n khu\u1ea5y (bao g\u1ed3m c\u00e1c lo\u1ea1i m\u00e1y nghi\u1ec1n c\u00e1t, m\u00e1y nghi\u1ec1n th\u00e1p, v.v.), m\u00e1y nghi\u1ec1n keo (bao g\u1ed3m c\u1ea3 m\u00e1y \u0111\u1ed3ng nh\u1ea5t, v.v.), m\u00e1y nghi\u1ec1n bi , nh\u00e0 m\u00e1y Raymond, v.v.<\/p>\n

Nghi\u1ec1n c\u01a1 h\u1ecdc th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u1ed9t l\u1edbn h\u01a1n 1 \u03bcm. M\u1ed9t s\u1ed1 \u00edt thi\u1ebft b\u1ecb, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u nh\u1ecf h\u01a1n 1 \u03bcm, c\u00f3 th\u1ec3 nghi\u1ec1n v\u1eadt li\u1ec7u \u0111\u1ebfn m\u1ee9c d\u01b0\u1edbi micron, ngh\u0129a l\u00e0 0,1 + 0,5 \u03bcm. C\u1ea5u tr\u00fac c\u1ee7a n\u00f3 l\u00e0 kh\u00ed n\u00e9n do m\u00e1y n\u00e9n kh\u00ed t\u1ea1o ra \u0111\u01b0\u1ee3c phun ra t\u1eeb v\u00f2i v\u00e0 b\u1ed9t va ch\u1ea1m v\u1edbi nhau trong d\u00f2ng ph\u1ea3n l\u1ef1c v\u00e0 b\u1ecb nghi\u1ec1n n\u00e1t.<\/p>\n

Nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c n\u1ea1p t\u1eeb ph\u1ec5u, \u0111\u01b0\u1ee3c t\u0103ng t\u1ed1c \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 si\u00eau \u00e2m nh\u1edd v\u00f2i Venturi v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n b\u1ed9t; trong khu v\u1ef1c nghi\u1ec1n th\u00e0nh b\u1ed9t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi ch\u1ea5t l\u1ecfng phun ra t\u1eeb v\u00f2i nghi\u1ec1n b\u00ean trong m\u00e1y nghi\u1ec1n, c\u00e1c h\u1ea1t v\u1eadt li\u1ec7u va ch\u1ea1m v\u1edbi nhau, ch\u00e0 x\u00e1t v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn. Trong s\u1ed1 \u0111\u00f3, nh\u1eefng ng\u01b0\u1eddi m\u1ea5t l\u1ef1c ly t\u00e2m v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trung t\u00e2m c\u1ee7a m\u00e1y nghi\u1ec1n b\u1ed9t l\u00e0 b\u1ed9t si\u00eau m\u1ecbn; b\u1ed9t th\u00f4 kh\u00f4ng b\u1ecb m\u1ea5t l\u1ef1c ly t\u00e2m v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t trong b\u0103ng t\u1ea3i nghi\u1ec1n.<\/p>\n

Nh\u00e0 m\u00e1y ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u1edf \u0110\u1ee9c \u0111\u00ecnh ch\u1ec9 v\u00e0 va ch\u1ea1m b\u1ed9t nh\u1ecf h\u01a1n 0,088mm th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn, v\u00ec v\u1eady n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau kh\u00f4ng l\u1edbn h\u01a1n 44\u03bcm v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 1, 2, 3, 4\u03bcm. Lo\u1ea1i m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c n\u00e0y c\u00f3 hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t cao, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, h\u1ea1t m\u1ecbn v\u00e0 kh\u00f4ng k\u1ebft t\u1ee5. N\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u00e0i si\u00eau m\u1ecbn l\u00fd t\u01b0\u1edfng. Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n k\u1ef9 thu\u1eadt c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u01a1 h\u1ecdc l\u00e0 c\u1ea3i thi\u1ec7n c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd tr\u00ean c\u01a1 s\u1edf hi\u1ec7n c\u00f3, ph\u00e1t tri\u1ec3n thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn hi\u1ec7u qu\u1ea3 cao v\u00e0 ti\u00eau th\u1ee5 th\u1ea5p, thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i m\u1ecbn v\u00e0 h\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb x\u1eed l\u00fd ph\u1ee5 tr\u1ee3, \u0111\u1ed3ng th\u1eddi m\u1edf r\u1ed9ng gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nghi\u1ec1n c\u01a1 h\u1ecdc, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao n\u0103ng l\u1ef1c ch\u1ebf bi\u1ebfn, h\u00ecnh th\u00e0nh quy m\u00f4 kinh t\u1ebf.<\/p>\n

Trong quy tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn, thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i m\u1ecbn c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 t\u00e1ch k\u1ecbp th\u1eddi c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n, n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n v\u00e0 ki\u1ec3m so\u00e1t s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m. Hi\u1ec7n nay, c\u00f3 hai lo\u1ea1i thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng: m\u1ed9t l\u00e0 ph\u00e2n lo\u1ea1i kh\u00f4, th\u01b0\u1eddng l\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i gi\u00f3 ly t\u00e2m ho\u1eb7c tuabin; c\u00e1i c\u00f2n l\u1ea1i l\u00e0 thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i \u01b0\u1edbt, th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e1y ph\u00e2n lo\u1ea1i ly t\u00e2m xo\u1eafn \u1ed1c n\u1eb1m ngang, \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u00e0 hydrocyclone g\u00f3c h\u00ecnh n\u00f3n nh\u1ecf, v\u00e0 hydrocyclone, v.v.<\/p>\n

N\u00f3i chung, ph\u00e2n lo\u1ea1i th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafng, ph\u01b0\u01a1ng ph\u00e1p tr\u00e0n, ph\u01b0\u01a1ng ph\u00e1p l\u1ed1c xo\u00e1y v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ly t\u00e2m. Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf t\u1ed1c \u0111\u1ed9 l\u1eafng kh\u00e1c nhau trong n\u01b0\u1edbc \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau \u0111\u1ec3 ph\u00e2n lo\u1ea1i; c\u01a1 ch\u1ebf c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p tr\u00e0n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafng, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc l\u1edbn h\u01a1n t\u1ed1c \u0111\u1ed9 l\u1eafng h\u1ea1t, do \u0111\u00f3 \u0111\u01b0a ra b\u1ed9t m\u1ecbn; ph\u01b0\u01a1ng ph\u00e1p l\u1ed1c xo\u00e1y B\u00f9n quay v\u1edbi t\u1ed1c \u0111\u1ed9 cao trong l\u1ed1c xo\u00e1y \u0111\u1ec3 t\u1ea1o ra l\u1ef1c ly t\u00e2m, v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau, l\u1ef1c ly t\u00e2m c\u0169ng kh\u00e1c nhau, do \u0111\u00f3 c\u00f3 th\u1ec3 t\u00e1ch c\u00e1c h\u1ea1t l\u1edbn v\u00e0 nh\u1ecf; ph\u01b0\u01a1ng ph\u00e1p ly t\u00e2m l\u00e0 b\u00f9n quay v\u1edbi t\u1ed1c \u0111\u1ed9 cao trong m\u00e1y ly t\u00e2m v\u00e0 l\u1ef1c ly t\u00e2m do c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau t\u1ea1o ra c\u0169ng kh\u00e1c nhau.<\/p>\n

Sau khi ph\u00e2n lo\u1ea1i, c\u00e1c s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau \u0111\u01b0\u1ee3c kh\u1eed n\u01b0\u1edbc v\u00e0 sau \u0111\u00f3 s\u1ea5y kh\u00f4.<\/p>\n

Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t m\u1ecbn, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3 \u0111\u1ec1u l\u1edbn. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng m\u1ecbn th\u00ec \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u c\u00e0ng cao. Do \u0111\u00f3, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn cao v\u00e0 b\u1ed9t d\u1ec5 k\u1ebft t\u1ee5 d\u01b0\u1edbi l\u1ef1c c\u01a1 h\u1ecdc l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 nghi\u1ec1n, ngo\u00e0i vi\u1ec7c t\u0103ng c\u01b0\u1eddng ph\u00e2n lo\u1ea1i, ch\u1ea5t tr\u1ee3 nghi\u1ec1n v\u00e0 ph\u1ee5 gia \u0111\u00f4i khi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.<\/p>\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n c\u01a1 h\u1ecdc \u0111\u01a1n gi\u1ea3n h\u01a1n so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc, s\u1ea3n l\u01b0\u1ee3ng l\u1edbn, chi ph\u00ed th\u1ea5p v\u00e0 vi b\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o ra kh\u00f4ng c\u00f3 s\u1ef1 k\u1ebft t\u1ee5. Tuy nhi\u00ean, kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi vi\u1ec7c l\u1eabn t\u1ea1p ch\u1ea5t trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m nghi\u1ec1n n\u00f3i chung kh\u00f4ng \u0111\u1ec1u, kh\u00f3 thu \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1t m\u1ecbn nh\u1ecf h\u01a1n 1 \u03bcm.<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn, thi\u1ebft b\u1ecb ph\u00e2n lo\u1ea1i m\u1ecbn c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 t\u00e1ch k\u1ecbp th\u1eddi c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t m\u1ecbn \u0111\u1ee7 ti\u00eau chu\u1ea9n, n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a ho\u1ea1t \u0111\u1ed9ng nghi\u1ec1n.<\/p>\n","protected":false},"author":7,"featured_media":127371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127410","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\/127410","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=127410"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127410\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/127371"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}