{"id":4400,"date":"2024-05-29T07:54:40","date_gmt":"2024-05-29T07:54:40","guid":{"rendered":"https:\/\/ducnhuanphat.com.vn\/?p=4400"},"modified":"2024-05-29T07:54:40","modified_gmt":"2024-05-29T07:54:40","slug":"dac-tinh-cong-dung-cua-thiec-thoi","status":"publish","type":"post","link":"https:\/\/ducnhuanphat.com.vn\/?p=4400","title":{"rendered":"\u0110\u1eb7c t\u00ednh- c\u00f4ng d\u1ee5ng c\u1ee7a Thi\u1ebfc Th\u1ecfi"},"content":{"rendered":"

1. \u0110\u1eb7c t\u00ednh- c\u00f4ng d\u1ee5ng c\u1ee7a Thi\u1ebfc:<\/strong><\/h4>\n

Thi\u1ebfc l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc c\u01a1 b\u1ea3n (k\u00fd hi\u1ec7u h\u00f3a h\u1ecdc Sn), khi \u0111\u01b0\u1ee3c luy\u1ec7n n\u00f3 th\u00e0nh kim lo\u1ea1i m\u00e0u tr\u1eafng b\u1ea1c. Thi\u1ebfc c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y th\u1ea5p (2320<\/sup>C), \u0111i\u1ec3m s\u00f4i 22700<\/sup>C v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 7.5 g\/cm3.\u00a0\u1ede\u00a0nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng thi\u1ebfc c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao v\u00e0 kh\u00f3 b\u1ecb oxy h\u00f3a.<\/p>\n

Thi\u1ebfc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 l\u00e0 m\u1ed9t l\u1edbp m\u1ea1 tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c kim lo\u1ea1i d\u1ec5 b\u1ecb oxy h\u00f3a nh\u01b0 s\u1eaft \u0111\u1ec3 l\u00e0m h\u1ed9p \u0111\u1ef1ng th\u1ef1c ph\u1ea9m, n\u01b0\u1edbc gi\u1ea3i kh\u00e1t, t\u0103ng t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i. Thi\u1ebfc \u0111\u1ed3ng th\u1eddi c\u0169ng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ed3ng \u0111\u1ec3 t\u1ea1o ra h\u1ee3p kim \u0111\u1ed3ng thi\u1ebfc v\u00e0 v\u1edbi ch\u00ec \u0111\u1ec3 t\u1ea1o ra h\u1ee3p kim h\u00e0n. H\u1ee3p ch\u1ea5t thi\u1ebfc\u00a0florua ch\u1ee9a thi\u1ebfc th\u01b0\u1eddng \u0111\u01b0\u1ee3c cho v\u00e0o kem \u0111\u00e1nh r\u0103ng \u0111\u1ec3 ch\u1ed1ng s\u00e2u r\u0103ng.<\/p>\n

Thi\u1ebfc tinh \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu t\u1ea1i Trung Qu\u1ed1c, Indonexia, Malaysia, Peru,\u2026. T\u1ea1i Vi\u1ec7t Nam, s\u1ea3n l\u01b0\u1ee3ng Thi\u1ebfc tinh l\u00e0 kho\u1ea3ng 2000 t\u1ea5n\/n\u0103m.<\/p>\n

2. S\u1ea3n ph\u1ea9m Thi\u1ebfc:<\/strong><\/h4>\n

Hi\u1ec7n nay, c\u00f4ng ty \u0111ang cung c\u1ea5p s\u1ea3n ph\u1ea9m Thi\u1ebfc th\u1ecfi kh\u1ed1i l\u01b0\u1ee3ng 24-29\u00a0kg\/th\u1ecfi, \u0111\u01b0\u1ee3c chia l\u00e0m hai lo\u1ea1i s\u1ea3n ph\u1ea9m d\u1ef1a tr\u00ean h\u00e0m l\u01b0\u1ee3ng Thi\u1ebfc trong m\u1ed7i s\u1ea3n ph\u1ea9m l\u00e0 Thi\u1ebfc th\u1ecfi 99,75% Sn min v\u00e0 Thi\u1ebfc th\u1ecfi 99,95% Sn min.<\/p>\n

3. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t Thi\u1ebfc:<\/strong><\/h4>\n

3.1 Tuy\u1ec3n qu\u1eb7ng:<\/p>\n

– Nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o: qu\u1eb7ng Thi\u1ebfc \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch sau khi \u0111\u01b0\u1ee3c khai th\u00e1c,<\/p>\n

– Quy tr\u00ecnh tuy\u1ec3n qu\u1eb7ng:<\/p>\n

Qu\u1eb7ng \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch \u0111\u01b0\u1ee3c \u0111\u01b0a qua m\u1ed9t v\u00e0i m\u00e0n rung \u0111\u1ec3 t\u00e1ch c\u00e1c v\u1eadt ch\u1ea5t th\u00f4. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a qua th\u00f9ng ch\u1ee9a \u0111\u1ea7y n\u01b0\u1edbc \u0111\u1ec3 ph\u00e2n lo\u1ea1i, n\u01a1i qu\u1eb7ng ch\u00ecm xu\u1ed1ng \u0111\u00e1y trong khi \u0111\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n r\u1ea5t nh\u1ecf ch\u1ea3y ra ngo\u00e0i. Qu\u1eb7ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a qua th\u00f9ng h\u00f3a h\u1ecdc (t\u00e1ch \u0111\u00e3i), n\u01a1i m\u00e0 c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec3 c\u00e1c th\u00e0nh ph\u1ea7n qu\u1eb7ng nh\u1ecf n\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 tr\u00f4i ra m\u00e1ng.<\/p>\n

Cu\u1ed1i c\u00f9ng, qu\u1eb7ng \u0111\u01b0\u1ee3c l\u00e0m kh\u00f4, s\u00e0ng l\u1ea1i, v\u00e0 \u0111\u01b0a qua m\u00e1y tuy\u1ec3n t\u1eeb \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n s\u1eaft.<\/p>\n

– S\u1ea3n ph\u1ea9m \u0111\u1ea7u ra: qu\u1eb7ng tinh v\u1edbi h\u00e0m l\u01b0\u1ee3ng Thi\u1ebfc 65-70%<\/p>\n

3.2 Luy\u1ec7n kim:<\/p>\n

– Nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o: qu\u1eb7ng tinh v\u1edbi h\u00e0m l\u01b0\u1ee3ng Thi\u1ebfc 70% min, Fe 2,8% max; Bi: 0,04% max; As: 0,3% max.<\/p>\n

– Quy tr\u00ecnh luy\u1ec7n Thi\u1ebfc:<\/p>\n

Qu\u1eb7ng tinh \u0111\u1ea1t ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u00e2y truy\u1ec1n luy\u1ec7n kim trong l\u00f2 \u0111i\u1ec7n h\u1ed3 quang v\u00e0 l\u00f2 \u0111i\u1ec7n tr\u1edf \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo 2 b\u01b0\u1edbc:<\/p>\n

B\u01b0\u1edbc 1: N\u1ea1p qu\u1eb7ng \u1edf d\u00f2ng \u0111i\u1ec7n th\u1ea5p ( 600A) k\u1ebft th\u00fac s\u1ebd th\u00e1o thi\u1ebfc l\u1ea7n 1<\/p>\n

B\u01b0\u1edbc 2: Cho th\u00eam than c\u1ed1c v\u00e0o l\u00f2 luy\u1ec7n v\u00e0 ho\u00e0n nguy\u00ean \u1edf d\u00f2ng cao (1000A) trong th\u1eddi gian 2 gi\u1edd. Th\u1eed l\u1ea5y x\u1ec9, n\u1ebfu ngh\u00e8o thi\u1ebfc th\u00ec cho Ferosilic 75% v\u00e0o thi\u1ebfc l\u1ea7n 2 \u0111\u1ed3ng th\u1eddi th\u00e1o h\u1ebft x\u1ec9 v\u00e0 Fero thu \u0111\u01b0\u1ee3c thi\u1ebfc th\u00f4.<\/p>\n

Luy\u1ec7n tinh: Vi\u1ec7c luy\u1ec7n tinh ti\u1ebfn h\u00e0nh t\u00e1ch t\u1eebng nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t c\u00f3 trong thi\u1ebfc \u0111\u1ebfn m\u1ed9t t\u1ef7 l\u1ec7 cho ph\u00e9p. Thi\u1ebfc th\u00f4 \u0111\u01b0\u1ee3c cho n\u00f3ng ch\u1ea9y trong l\u00f2 \u0111i\u1ec7n tr\u1edf, tr\u01b0\u1edbc h\u1ebft ti\u1ebfn h\u00e0nh v\u1edbt to\u00e0n b\u1ed9 b\u00e3 \u0111\u00e1y sau \u0111\u00f3 luy\u1ec7n tinh b\u1eb1ng m\u00f9n c\u01b0a \u1edf nhi\u1ec7t \u0111\u1ed9 400 C sau \u0111\u00f3\u00a0tinh luy\u1ec7n t\u00e1ch Cu \u1edf nhi\u1ec7t \u0111\u1ed9 320 C v\u00e0 As , Sb \u1edf nhi\u1ec7t \u0111\u1ed9 460 – 500 C. Thi\u1ebfc sau tinh luy\u1ec7n \u0111\u1ea1t h\u00e0m l\u01b0\u1ee3ng thi\u1ebfc t\u1ed1i thi\u1ec3u 99,75% \u0111\u01b0\u1ee3c \u0111\u00fac khu\u00f4n ti\u00eau chu\u1ea9n kho\u1ea3ng 25kg\/th\u1ecfi \u0111\u1ec3 xu\u1ea5t kh\u1ea9u ho\u1eb7c \u0111\u01b0a ti\u1ebfp sang d\u00e2y truy\u1ec1n \u0111i\u1ec7n ph\u00e2n.<\/p>\n

– S\u1ea3n ph\u1ea9m \u0111\u1ea7u ra: Thi\u1ebfc th\u1ecfi v\u1edbi h\u00e0m l\u01b0\u1ee3ng Sn 99.75%. \u0111\u1ee7 ti\u00eau chu\u1ea9n xu\u1ea5t kh\u1ea9u.<\/p>\n

4.\u1ee8ng d\u1ee5ng:<\/strong><\/p>\n

– D\u00f9ng \u0111\u1ec3 m\u1ea1 \u0111\u1ed3ng trong s\u1ea3n xu\u1ea5t d\u00e2y \u0111i\u1ec7n, \u0111\u1ed3ng thanh c\u00e1i m\u1ea1 thi\u1ebfc, \u0111\u00fac \u0111\u1ed3ng, s\u1ea3n xu\u1ea5t thi\u1ebfc h\u00e0n, ch\u00ec h\u00e0n..
\n– D\u00f9ng s\u1ea3n xu\u1ea5t trong ng\u00e0nh c\u01a1 \u0111i\u1ec7n t\u1eed, s\u1ea3n xu\u1ea5t m\u00e0n h\u00ecnh LCD, \u0111i\u1ec7n tho\u1ea1i
\n– Trong ng\u00e0nh kim ho\u00e0n, c\u00f4ng nghi\u1ec7p s\u1ea1ch…<\/p>\n","protected":false},"excerpt":{"rendered":"

1. \u0110\u1eb7c t\u00ednh- c\u00f4ng d\u1ee5ng c\u1ee7a Thi\u1ebfc: Thi\u1ebfc l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc c\u01a1 b\u1ea3n (k\u00fd hi\u1ec7u h\u00f3a h\u1ecdc Sn), khi \u0111\u01b0\u1ee3c luy\u1ec7n n\u00f3 th\u00e0nh kim lo\u1ea1i m\u00e0u tr\u1eafng b\u1ea1c. Thi\u1ebfc c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y th\u1ea5p (2320C), \u0111i\u1ec3m s\u00f4i 22700C v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 7.5 g\/cm3.\u00a0\u1ede\u00a0nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng thi\u1ebfc c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng […]\n","protected":false},"author":1,"featured_media":4401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"lang":"vi","translations":{"vi":4400},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/4400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4400"}],"version-history":[{"count":1,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/4400\/revisions"}],"predecessor-version":[{"id":4402,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/4400\/revisions\/4402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=\/wp\/v2\/media\/4401"}],"wp:attachment":[{"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ducnhuanphat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}