Silica c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp ph\u1ee7. Trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn b\u1ed9t matting silica<\/a>, vi\u1ec7c nghi\u1ec1n th\u00e0nh b\u1ed9t v\u00e0 ph\u00e2n lo\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu. L\u00fac n\u00e0y c\u1ea7n c\u00f3 m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i. Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u, do \u0111\u00f3 c\u00e1c h\u1ea1t c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 b\u1ecb ma s\u00e1t v\u00e0 c\u1eaft gi\u1eefa c\u00e1c h\u1ea1t, v\u00e0 c\u00e1c h\u1ea1t v\u00e0 th\u00e0nh b\u00ean trong c\u1ee7a thi\u1ebft b\u1ecb va ch\u1ea1m v\u1edbi nhau, do \u0111\u00f3 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 ch\u1ecbu qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t k\u00e9p, v\u00e0 hi\u1ec7u su\u1ea5t nghi\u1ec1n b\u1ed9t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Do \u0111\u00f3, m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i l\u00e0 g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi. C\u00e1c nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn.<\/p>\n

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M\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i cho b\u1ed9t l\u00e0m m\u1ec1n silica<\/a> c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau:<\/strong><\/p>\n

Nguy\u00ean t\u1eafc v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a khu v\u1ef1c nghi\u1ec1n d\u01b0\u1edbi gi\u1ed1ng nh\u01b0 c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c si\u00eau \u00e2m ki\u1ec3u \u0111\u0129a, do \u0111\u00f3 b\u1ed9t \u0111\u01b0\u1ee3c cho v\u00e0o m\u00e1y nghi\u1ec1n d\u1ec5 b\u1ecb d\u00f2ng kh\u00ed va v\u00e0o, v\u00e0 c\u00f3 x\u00e1c su\u1ea5t nghi\u1ec1n cao h\u01a1n so v\u1edbi va ch\u1ea1m t\u1ea7ng s\u00f4i. lo\u1ea1i m\u00f4 h\u00ecnh.<\/p>\n

Nguy\u00ean t\u1eafc ph\u00e2n lo\u1ea1i tr\u00ean \u00e1p d\u1ee5ng ph\u00e2n lo\u1ea1i c\u01b0\u1ee1ng b\u1ee9c tuabin ngang ki\u1ec3u t\u1ea7ng s\u00f4i, \u0111i\u1ec3m c\u1eaft ch\u00ednh x\u00e1c, hi\u1ec7u su\u1ea5t cao v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t b\u1ea5t k\u1ef3 nguy\u00ean li\u1ec7u th\u00f4 n\u00e0o c\u00f3 \u0111\u1ed9 c\u1ee9ng kh\u00e1c nhau.<\/p>\n

Trong qu\u00e1 tr\u00ecnh nghi\u1ec1n, do s\u1ef1 ph\u00e2n lo\u1ea1i c\u01b0\u1ee1ng b\u1ee9c c\u1ee7a tuabin ph\u00eda tr\u00ean, v\u1eadt li\u1ec7u th\u00f4 l\u1eafng xu\u1ed1ng \u0111\u00e1y m\u00e1y nghi\u1ec1n. N\u1ed3ng \u0111\u1ed9 b\u1ed9t trong khu v\u1ef1c nghi\u1ec1n cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u00e1y nghi\u1ec1n \u0111\u0129a, do \u0111\u00f3, m\u00f4 h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c nghi\u1ec1n nhi\u1ec1u h\u01a1n m\u00e1y nghi\u1ec1n \u0111\u0129a hi\u1ec7u su\u1ea5t cao h\u01a1n.<\/p>\n

V\u1eadt li\u1ec7u c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn nghi\u1ec1n \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u g\u1ed1m corundum, bao g\u1ed3m c\u1ea3 c\u00e1c c\u00e1nh qu\u1ea1t ph\u00e2n lo\u1ea1i t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u g\u1ed1m corundum. \u0110\u1ea3m b\u1ea3o r\u1eb1ng nguy\u00ean li\u1ec7u nghi\u1ec1n th\u00e0nh b\u1ed9t gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 tinh khi\u1ebft cao, kh\u00f4ng b\u1ecb nhi\u1ec5m t\u1ea1p ch\u1ea5t v\u00e0 \u0111\u1ed9 tr\u1eafng c\u1ee7a th\u00e0nh ph\u1ea9m kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

C\u00e1c nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo y\u00eau c\u1ea7u quy tr\u00ecnh c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t nh\u01b0 \u0111\u1ed9 tr\u1eafng c\u1ee7a nguy\u00ean li\u1ec7u, \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 c\u1ee9ng c\u1ee7a h\u1ea1t, gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u th\u1ec3 t\u00edch l\u1ed7, v.v … M\u00f4 h\u00ecnh nghi\u1ec1n c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t \u0111\u00e1p \u1ee9ng k\u00edch th\u01b0\u1edbc h\u1ea1t y\u00eau c\u1ea7u.<\/p>\n

Khi ch\u1ebf bi\u1ebfn b\u1ed9t matting silica<\/a>, \u0111\u1ed9 m\u1ecbn s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00e0 d100 <18\u03bcm. Khi \u0111\u1eadp v\u1ee1 v\u1eadt th\u1ec3 nghi\u1ec1n, n\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1eddng k\u00ednh trung v\u1ecb c\u1ee7a th\u00e0nh ph\u1ea9m m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a k\u00edch th\u01b0\u1edbc h\u1ea1t ki\u1ec3m so\u00e1t. S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t (\u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh) c\u1ee7a s\u1ea3n ph\u1ea9m b\u1ed9t c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1eb1ng tay.<\/p>\n","protected":false},"excerpt":{"rendered":"

Silica c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp ph\u1ee7. Trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn b\u1ed9t matting silica, vi\u1ec7c nghi\u1ec1n th\u00e0nh b\u1ed9t v\u00e0 ph\u00e2n lo\u1ea1i l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu. L\u00fac n\u00e0y c\u1ea7n c\u00f3 m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i.<\/p>\n","protected":false},"author":6,"featured_media":111875,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-111914","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111914","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=111914"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111914\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111875"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=111914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=111914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=111914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}