{"id":115499,"date":"2021-12-24T11:43:22","date_gmt":"2021-12-24T03:43:22","guid":{"rendered":"https:\/\/www.alpapowder.com\/115499\/"},"modified":"2021-12-27T11:39:10","modified_gmt":"2021-12-27T03:39:10","slug":"vai-tro-va-cac-loai-vat-lieu-nghien-cua-may-nghien-bi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/115499\/","title":{"rendered":"Vai tr\u00f2 v\u00e0 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n bi"},"content":{"rendered":"

Ch\u1ee9c n\u0103ng c\u1ee7a th\u00e2n m\u00e1y nghi\u1ec1n trong m\u00e1y nghi\u1ec1n bi l\u00e0 nghi\u1ec1n v\u00e0 nghi\u1ec1n c\u00e1c v\u1eadt li\u1ec7u r\u1eddi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u v\u1eeba v\u00e0o m\u00e1y nghi\u1ec1n kho\u1ea3ng 20mm, cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn d\u01b0\u1edbi 0,08mm (nh\u00ecn chung, l\u01b0\u1ee3ng b\u00e3 qua s\u00e0ng kh\u00f4ng qu\u00e1 15%). C\u01a1 quan nghi\u1ec1n ch\u1ee7 y\u1ebfu t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u r\u1eddi m\u1edbi \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o (trong bu\u1ed3ng nghi\u1ec1n th\u00f4), v\u00e0 nghi\u1ec1n ch\u00fang nh\u01b0 m\u1ed9t ch\u1ea5t b\u1ed5 sung. Trong giai \u0111o\u1ea1n n\u00e0y, va ch\u1ea1m gi\u1eefa c\u00e1c th\u00e2n m\u00e1y m\u00e0i l\u00e0 \u0111i\u1ec1u kh\u00f3 tr\u00e1nh kh\u1ecfi. \u00c2m thanh m\u1ea1nh khi c\u1ed1i xay ch\u1ea1y ch\u1ee7 y\u1ebfu ph\u00e1t ra t\u1eeb bu\u1ed3ng xay th\u00f4. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u gi\u1ea3m d\u1ea7n, n\u00f3 s\u1ebd ch\u1ea3y sang silo ti\u1ebfp theo, th\u00e2n m\u00e1y nghi\u1ec1n s\u1ebd chuy\u1ec3n sang ch\u1ee7 y\u1ebfu l\u00e0 nghi\u1ec1n, \u00e2m thanh s\u1ebd y\u1ebfu d\u1ea7n, sau khi \u0111\u01b0\u1ee3c nghi\u1ec1n m\u1ecbn s\u1ebd b\u1ecb v\u0103ng ra kh\u1ecfi m\u00e1y nghi\u1ec1n. C\u00e1c lo\u1ea1i v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau c\u1ee7a th\u00e2n m\u00e0i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c bu\u1ed3ng m\u00e0i kh\u00e1c nhau.<\/p>\n

\"\"<\/p>\n

\u2460Steel ball: m\u1ed9t lo\u1ea1i th\u00e2n m\u00e0i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t bi. N\u00f3 ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u trong qu\u00e1 tr\u00ecnh m\u00e0i v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn v\u1eadt li\u1ec7u. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 kho (cu\u1ed1i ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u c\u0169ng l\u00e0 kho nghi\u1ec1n th\u00f4) v\u00e0 kho k\u00e9p. Hai bu\u1ed3ng (bu\u1ed3ng nghi\u1ec1n th\u00f4 v\u00e0 m\u1ecbn) \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n m\u1ea1ch k\u00edn, m\u1ed9t bu\u1ed3ng v\u00e0 hai bu\u1ed3ng \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n \u1ed1ng. \u0110\u01b0\u1eddng k\u00ednh c\u1ee7a bi th\u00e9p n\u1eb1m trong kho\u1ea3ng \u042415 ~ 125mm. Theo y\u00eau c\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh m\u00e0i, bu\u1ed3ng m\u00e0i th\u00f4 th\u01b0\u1eddng ch\u1ecdn \u042450 ~ 110mm, v\u00e0 bu\u1ed3ng m\u00e0i m\u1ecbn s\u1eed d\u1ee5ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau c\u1ee7a \u042420 ~ 50mm.<\/p>\n

\u2461Ph\u1ea7n th\u00e9p: Trong bu\u1ed3ng nghi\u1ec1n m\u1ecbn c\u1ee7a m\u00e1y nghi\u1ec1n nguy\u00ean li\u1ec7u l\u00e0 ch\u1ee7 y\u1ebfu. Ph\u1ea7n th\u00e9p (s\u1eaft) c\u00f3 th\u1ec3 thay th\u1ebf bi th\u00e9p. H\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 l\u00e0 h\u00ecnh tr\u1ee5 ng\u1eafn ho\u1eb7c h\u00ecnh n\u00f3n c\u1ee5t. N\u00f3 c\u00f3 \u0111\u01b0\u1eddng ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng m\u00e0i m\u1ea1nh. Nh\u01b0ng t\u00e1c \u0111\u1ed9ng nh\u1ecf n\u00ean ph\u00f9 h\u1ee3p v\u1edbi bu\u1ed3ng nghi\u1ec1n m\u1ecbn h\u01a1n.<\/p>\n

\u2462Thanh th\u00e9p: Thanh th\u00e9p l\u00e0 lo\u1ea1i th\u00e2n m\u00e0i th\u01b0\u1eddng d\u00f9ng trong m\u00e0i \u01b0\u1edbt, c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u042440 ~ 90mm, chi\u1ec1u d\u00e0i c\u1ee7a thanh ng\u1eafn h\u01a1n chi\u1ec1u d\u00e0i c\u1ee7a bu\u1ed3ng m\u00e0i t\u1eeb 50 ~ 100mm.<\/p>\n

B\u1ea5t k\u1ec3 lo\u1ea1i th\u00e2n m\u00e1y m\u00e0i m\u00f2n n\u00e0o c\u0169ng \u0111\u1ec1u c\u00f3 y\u00eau c\u1ea7u cao \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u1ee7a n\u00f3: v\u1eadt li\u1ec7u \u0111\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 ch\u1ecbu va \u0111\u1eadp cao. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 xay v\u00e0 t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y nghi\u1ec1n. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i c\u1ee9ng, ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 kh\u00f4ng d\u1ec5 g\u00e3y. V\u00ed d\u1ee5, gang crom cao l\u00e0 gang tr\u1eafng h\u1ee3p kim c\u00f3 h\u00e0m l\u01b0\u1ee3ng crom cao, \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi kh\u1ea3 n\u0103ng ch\u1ecbu m\u00e0i m\u00f2n, ch\u1ecbu nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 d\u1ebbo dai \u0111\u00e1ng k\u1ec3. Gang crom th\u1ea5p ch\u1ee9a \u00edt nguy\u00ean t\u1ed1 crom h\u01a1n, v\u00e0 c\u00f3 \u0111\u1ed9 d\u1ebbo dai cao h\u01a1n. Gang crom k\u00e9m, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t. N\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m l\u1edbp l\u00f3t c\u1ee7a c\u00e1c vi\u00ean bi nh\u1ecf, c\u00e1c ph\u1ea7n s\u1eaft v\u00e0 c\u00e1c bu\u1ed3ng m\u00e0i m\u1ecbn.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ch\u1ee9c n\u0103ng c\u1ee7a th\u00e2n m\u00e1y nghi\u1ec1n trong m\u00e1y nghi\u1ec1n bi l\u00e0 nghi\u1ec1n v\u00e0 nghi\u1ec1n c\u00e1c v\u1eadt li\u1ec7u r\u1eddi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u v\u1eeba v\u00e0o m\u00e1y nghi\u1ec1n kho\u1ea3ng 20mm, cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn d\u01b0\u1edbi 0,08mm (nh\u00ecn chung, l\u01b0\u1ee3ng b\u00e3 qua s\u00e0ng kh\u00f4ng qu\u00e1 15%).<\/p>\n","protected":false},"author":6,"featured_media":96655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1569],"class_list":["post-115499","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\/115499","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=115499"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/115499\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/96655"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=115499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=115499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=115499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}