{"id":115608,"date":"2021-12-27T11:59:08","date_gmt":"2021-12-27T03:59:08","guid":{"rendered":"https:\/\/www.alpapowder.com\/115608\/"},"modified":"2021-12-27T11:59:08","modified_gmt":"2021-12-27T03:59:08","slug":"ly-do-san-luong-ngay-cang-thap-cua-cac-nha-may-bi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/115608\/","title":{"rendered":"L\u00fd do s\u1ea3n l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng th\u1ea5p c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y bi"},"content":{"rendered":"

1. “Nghi\u1ec1n b\u00e3o h\u00f2a” l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y bi<\/p>\n

Khi s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n bi ng\u00e0y c\u00e0ng xu\u1ed1ng th\u1ea5p, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean c\u1ea7n quan t\u00e2m l\u00e0 c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u201cb\u00e3o h\u00f2a xay\u201d hay kh\u00f4ng. C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u201cnghi\u1ec1n b\u00e3o h\u00f2a\u201d l\u00e0: cho qu\u00e1 nhi\u1ec1u th\u1ee9c \u0103n; \u0111\u1ed9 c\u1ee9ng v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u m\u00e0i tr\u1edf n\u00ean l\u1edbn h\u01a1n; V\u1eadt li\u1ec7u c\u00f3 qu\u00e1 nhi\u1ec1u \u0111\u1ed9 \u1ea9m; ph\u00e2n lo\u1ea1i bi th\u00e9p kh\u00f4ng h\u1ee3p l\u00fd; b\u1ea3ng ng\u0103n ho\u1eb7c t\u1ea5m l\u01b0\u1edbi b\u1ecb c\u00e1c m\u1ea3nh v\u1ee5n ch\u1eb7n l\u1ea1i. Gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 “xay to\u00e0n b\u1ed9”: gi\u1ea3m l\u01b0\u1ee3ng th\u1ee9c \u0103n; khi k\u00edch th\u01b0\u1edbc ho\u1eb7c \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u m\u00e0i thay \u0111\u1ed5i th\u00ec k\u1ecbp th\u1eddi \u0111i\u1ec1u ch\u1ec9nh t\u01b0\u01a1ng \u1ee9ng; \u0111i\u1ec1u ch\u1ec9nh h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a v\u1eadt li\u1ec7u nghi\u1ec1n; c\u1ea5u h\u00ecnh h\u1ee3p l\u00fd c\u00e1c vi\u00ean bi th\u00e9p l\u1edbn, trung b\u00ecnh v\u00e0 nh\u1ecf Than; l\u00e0m s\u1ea1ch s\u1ef1 t\u1eafc ngh\u1ebdn c\u1ee7a b\u1ea3ng ng\u0103n ho\u1eb7c \u0111\u01b0\u1eddng n\u1ed1i l\u01b0\u1edbi; t\u0103ng kh\u1ea3 n\u0103ng th\u00f4ng gi\u00f3 c\u1ee7a xi lanh m\u00e1y nghi\u1ec1n bi.<\/p>\n

2. Th\u1eddi gian l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y nghi\u1ec1n bi qu\u00e1 l\u00e2u<\/p>\n

\u0110\u1ed9 d\u00e0i c\u1ee7a th\u1eddi gian nghi\u1ec1n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m, v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1eddi gian nghi\u1ec1n \u0111\u1ebfn k\u00edch th\u01b0\u1edbc h\u1ea1t c\u0169ng r\u1ea5t r\u00f5 r\u00e0ng. Trong giai \u0111o\u1ea1n \u0111\u1ea7u, v\u1edbi th\u1eddi gian k\u00e9o d\u00e0i, k\u00edch th\u01b0\u1edbc h\u1ea1t gi\u1ea3m nhanh h\u01a1n, nh\u01b0ng sau khi nghi\u1ec1n bi trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, d\u00f9 ti\u1ebfp t\u1ee5c k\u00e9o d\u00e0i th\u1eddi gian nghi\u1ec1n bi th\u00ec gi\u00e1 tr\u1ecb c\u1ee1 h\u1ea1t c\u1ee7a s\u1ea3n ph\u1ea9m v\u1eabn kh\u00f4ng gi\u1ea3m. qu\u00e1 nhi\u1ec1u. C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u00f3 th\u1eddi gian phay bi t\u1ed1i \u01b0u kh\u00e1c nhau. M\u1eb7t kh\u00e1c, th\u1eddi gian xay x\u00e1t c\u00e0ng l\u00e2u th\u00ec \u00f4 nhi\u1ec5m g\u00e2y ra c\u00e0ng nghi\u00eam tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

\"\"<\/p>\n

3. Kh\u00f4ng b\u1ed5 sung bi th\u00e9p k\u1ecbp th\u1eddi<\/p>\n

T\u00e1c d\u1ee5ng nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n bi v\u00e0 \u0111\u1ea7u ra b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi c\u00e1c vi\u00ean bi th\u00e9p c\u1ee7a m\u00e1y nghi\u1ec1n bi. V\u1edbi s\u1ef1 m\u00e0i v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c vi\u00ean bi th\u00e9p trong xi lanh, c\u00e1c vi\u00ean bi th\u00e9p s\u1ebd b\u1ecb m\u00f2n. V\u00ec v\u1eady, c\u00e1c vi\u00ean bi th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed5 sung k\u1ecbp th\u1eddi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ea7u ra c\u1ee7a m\u00e1y nghi\u1ec1n bi \u0111\u1ed3ng nh\u1ea5t.<\/p>\n

\"\"<\/p>\n

4. Nhi\u1ec7t \u0111\u1ed9 trong xilanh t\u0103ng l\u00ean<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00e1y nghi\u1ec1n bi t\u0103ng l\u00ean trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, s\u1ee9c c\u0103ng h\u1eefu hi\u1ec7u c\u1ee7a m\u00e1y nghi\u1ec1n bi \u0111\u1ec3 t\u1ea1o th\u00e0nh v\u1eadt li\u1ec7u nano gi\u1ea3m, v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t tinh th\u1ec3 t\u0103ng l\u00ean, \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a b\u1ed9t l\u00e0m v\u1eadt li\u1ec7u r\u1eddi. H\u01a1n n\u1eefa, cho d\u00f9 s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n bi l\u00e0 dung d\u1ecbch r\u1eafn, h\u1ee3p ch\u1ea5t li\u00ean kim lo\u1ea1i, tinh th\u1ec3 nano hay pha v\u00f4 \u0111\u1ecbnh h\u00ecnh, th\u00ec s\u1ef1 khu\u1ebfch t\u00e1n \u0111\u1ec1u c\u00f3 li\u00ean quan v\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 nghi\u1ec1n, v\u00ec v\u1eady nhi\u1ec7t \u0111\u1ed9 c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n bi.<\/p>\n

5. \u0110\u1ed9 \u1ea9m v\u1eadt li\u1ec7u qu\u00e1 cao<\/p>\n

Do \u0111\u1ed9 \u1ea9m c\u1ee7a nguy\u00ean li\u1ec7u l\u1edbn n\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a c\u1ea5p li\u1ec7u v\u00e0 k\u00e9o d\u00e0i th\u1eddi gian c\u1ea5p li\u1ec7u. Th\u1ee9 hai, do nguy\u00ean li\u1ec7u \u01b0\u1edbt \u0111\u01b0\u1ee3c cho v\u00e0o qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nh\u00e3o b\u00f3ng v\u00e0 nh\u00e3o l\u00f3t trong c\u1ed1i xay, th\u1eadm ch\u00ed \u201cxay to\u00e0n b\u1ed9\u201d s\u1ebd bu\u1ed9c ph\u1ea3i d\u1eebng qu\u00e1 tr\u00ecnh xay. N\u00f3i chung, c\u1ee9 t\u0103ng 1% \u0111\u1ed9 \u1ea9m to\u00e0n di\u1ec7n c\u1ee7a nguy\u00ean li\u1ec7u v\u00e0o m\u00e1y nghi\u1ec1n, th\u00ec s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n bi s\u1ebd gi\u1ea3m 8% -10%; khi \u0111\u1ed9 \u1ea9m l\u1edbn h\u01a1n 5% th\u00ec v\u1ec1 c\u01a1 b\u1ea3n m\u00e1y nghi\u1ec1n bi kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c nghi\u1ec1n.<\/p>\n

6. T\u1ef7 l\u1ec7 b\u1ed5 sung c\u1ee7a ch\u1ea5t tr\u1ee3 nghi\u1ec1n<\/p>\n

Ch\u1ea5t tr\u1ee3 m\u00e0i \u0111\u01b0\u1ee3c ph\u00e9p b\u1ed5 sung trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t xi m\u0103ng, nh\u01b0ng l\u01b0\u1ee3ng b\u1ed5 sung kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 1%. Th\u00eam nhi\u1ec1u h\u01a1n ti\u00eau chu\u1ea9n n\u00e0y l\u00e0 kh\u00f4ng h\u1ee3p l\u00fd. Ngo\u00e0i ra, h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t tr\u1ee3 m\u00e0i \u0111\u1ec1u l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 ho\u1ea1t t\u00ednh b\u1ec1 m\u1eb7t m\u1ea1nh, kh\u00f4ng ph\u1ea3i v\u1eadt li\u1ec7u n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p. Ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c b\u1ed5 sung h\u1ee3p l\u00fd theo t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u.<\/p>\n

T\u00f3m l\u1ea1i, n\u1ebfu s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n bi c\u1ee7a b\u1ea1n ng\u00e0y c\u00e0ng th\u1ea5p, tr\u01b0\u1edbc ti\u00ean h\u00e3y ki\u1ec3m tra xem hi\u1ec7n t\u01b0\u1ee3ng “xay to\u00e0n b\u1ed9” c\u00f3 x\u1ea3y ra hay kh\u00f4ng. N\u1ebfu kh\u00f4ng, h\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c \u0111i\u1ec1u tra d\u1ef1a tr\u00ean c\u00e1c l\u00fd do kh\u00e1c \u0111\u1ec3 t\u00ecm ra m\u1ea5u ch\u1ed1t c\u1ee7a v\u1ea5n \u0111\u1ec1, v\u00e0 v\u1ec1 c\u01a1 b\u1ea3n b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 s\u1ea3n l\u01b0\u1ee3ng th\u1ea5p. S\u1ef1 c\u1ed1 khi\u1ebfn nh\u00e0 m\u00e1y bi ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t, mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf l\u1edbn h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

Khi s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a m\u00e1y nghi\u1ec1n bi ng\u00e0y c\u00e0ng xu\u1ed1ng th\u1ea5p, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean c\u1ea7n quan t\u00e2m l\u00e0 c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u201cb\u00e3o h\u00f2a xay\u201d hay kh\u00f4ng. C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u201cnghi\u1ec1n b\u00e3o h\u00f2a\u201d l\u00e0: cho qu\u00e1 nhi\u1ec1u th\u1ee9c \u0103n; \u0111\u1ed9 c\u1ee9ng v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u m\u00e0i tr\u1edf n\u00ean l\u1edbn h\u01a1n; V\u1eadt li\u1ec7u c\u00f3 qu\u00e1 nhi\u1ec1u \u0111\u1ed9 \u1ea9m; ph\u00e2n lo\u1ea1i bi th\u00e9p kh\u00f4ng h\u1ee3p l\u00fd; b\u1ea3ng ng\u0103n ho\u1eb7c t\u1ea5m l\u01b0\u1edbi b\u1ecb c\u00e1c m\u1ea3nh v\u1ee5n ch\u1eb7n l\u1ea1i.<\/p>\n","protected":false},"author":6,"featured_media":97862,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1569],"class_list":["post-115608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-may-nghien-bi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115608","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=115608"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115608\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/97862"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=115608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=115608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=115608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}