{"id":114572,"date":"2021-09-27T05:05:21","date_gmt":"2021-09-26T22:05:21","guid":{"rendered":"https:\/\/hocvienmo.thietkewebquangninh.vn\/?p=114572"},"modified":"2021-09-27T05:05:21","modified_gmt":"2021-09-26T22:05:21","slug":"hoi-dong-khoa-hoc-cong-nghe-bo-cong-thuong-nghiem-thu-de-tai-do-vien-khoa-hoc-cong-nghe-mo-vinacomin-2","status":"publish","type":"post","link":"https:\/\/imsat.vn\/?p=114572","title":{"rendered":"H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i do Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 M\u1ecf &#8211; Vinacomin"},"content":{"rendered":"<p>Ng\u00e0y 9\/5\/2019, H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb\u00a0nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i\u00a0<em>\u201cNghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 tuy\u1ec3n t\u1eadn thu h\u1ed3i qu\u1eb7ng bauxit T\u00e2n Rai &#8211; L\u00e2m \u0110\u1ed3ng\u201d\u00a0<\/em>v\u00e0 \u0111\u1ec1 t\u00e0i:\u00a0<em>\u201cNghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 nh\u1eb1m ti\u00eau hao b\u1ed9t manh\u00eatit t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n than V\u00e0ng Danh 1\u201d.<\/em><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-114573 size-full\" src=\"http:\/\/hocvienmo.thietkewebquangninh.vn\/wp-content\/uploads\/2021\/09\/10.5.2018-1.jpg\" alt=\"\" width=\"468\" height=\"302\" srcset=\"https:\/\/imsat.vn\/wp-content\/uploads\/2021\/09\/10.5.2018-1.jpg 468w, https:\/\/imsat.vn\/wp-content\/uploads\/2021\/09\/10.5.2018-1-300x194.jpg 300w\" sizes=\"(max-width: 468px) 100vw, 468px\" \/><\/p>\n<p>* \u0110\u1ed1i\u00a0\u0111\u1ec1 t\u00e0i\u00a0<em>\u201cNghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 tuy\u1ec3n t\u1eadn thu h\u1ed3i qu\u1eb7ng bauxit T\u00e2n Rai &#8211; L\u00e2m \u0110\u1ed3ng\u201d.<\/em><\/p>\n<p>Qua qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t, \u0111\u00e1nh gi\u00e1, nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 tuy\u1ec3n thu h\u1ed3i qu\u1eb7ng bauxit trong qu\u1eb7ng \u0111u\u00f4i th\u1ea3i t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n qu\u1eb7ng bauxit T\u00e2n Rai, cho th\u1ea5y c\u00f4ng ngh\u1ec7 tuy\u1ec3n t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n qu\u1eb7ng bauxit T\u00e2n Rai l\u00e0 c\u00f4ng ngh\u1ec7 tuy\u1ec3n r\u1eeda tr\u1ecdng l\u1ef1c, thu h\u1ed3i c\u1ea5p h\u1ea1t +1mm c\u1ea5p sang nh\u00e0 m\u00e1y alumin, c\u1ea5p h\u1ea1t -1mm \u0111\u01b0\u1ee3c b\u01a1m th\u1ea3i ra \u0111\u1eadp qu\u1eb7ng \u0111u\u00f4i, theo th\u1eddi gian l\u01b0\u1ee3ng qu\u1eb7ng \u0111u\u00f4i ng\u00e0y c\u00e0ng nhi\u1ec1u. Theo s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea v\u00e0 k\u1ebf ho\u1ea1ch s\u1ea3n xu\u1ea5t trong nh\u1eefng n\u0103m t\u1edbi, kh\u1ed1i l\u01b0\u1ee3ng qu\u1eb7ng \u0111u\u00f4i th\u1ea3i h\u1ed3 ch\u1ee9a h\u00e0ng n\u0103m l\u00ean \u0111\u1ebfn 1,5 tri\u1ec7u t\u1ea5n\/n\u0103m l\u00e0 r\u1ea5t l\u1edbn. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y, hi\u1ec7u qu\u1ea3 ph\u01b0\u01a1ng \u00e1n t\u1eadn thu qu\u1eb7ng bauxit trong qu\u1eb7ng \u0111u\u00f4i th\u1ea3i c\u1ea5p h\u1ea1t &#8211; 1mm v\u1edbi ph\u01b0\u01a1ng \u00e1n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ph\u00e2n c\u1ea5p ru\u1ed9t xo\u1eafn k\u1ebft h\u1ee3p s\u00e0ng rung cao t\u1ea7n, v\u1edbi s\u1ea3n l\u01b0\u1ee3ng qu\u1eb7ng nguy\u00ean khai v\u00e0o tuy\u1ec3n kho\u1ea3ng 3,6 tri\u1ec7u t\u1ea5n\/n\u0103m th\u00ec qu\u1eb7ngbauxit +0,5mm t\u1eadn thu \u0111\u01b0\u1ee3c trong qu\u1eb7ng \u0111u\u00f4i th\u1ea3i -1mm \u0111\u1ea1t 118.000 t\u1ea5n\/n\u0103m v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng qu\u1eb7ng bauxit +0,5mm t\u1eadn thu c\u00f3 h\u00e0m l\u01b0\u1ee3ng Al2O3 \u2265 45% v\u00e0 SiO2 l\u00e0 3,36%. Qua t\u00ednh to\u00e1n s\u01a1 b\u1ed9, t\u1ed5ng m\u1ee9c \u0111\u1ea7u t\u01b0 d\u00e2y chuy\u1ec1n tuy\u1ec3n t\u1eadn thu qu\u1eb7ng bauxit kho\u1ea3ng 9,89 t\u1ef7, thu l\u1ee3i nhu\u1eadn h\u00e0ng n\u0103m \u0111\u1ea1t 3,2 t\u1ef7. V\u1edbi s\u1ea3n l\u01b0\u1ee3ng qu\u1eb7ng bauxit +0,5mm t\u1eadn thu h\u00e0ng n\u0103m \u0111\u1ea1t 118.000 t\u1ea5n\/n\u0103m s\u1ebd g\u00f3p ph\u1ea7n gi\u1ea3m s\u1ea3n l\u01b0\u1ee3ng qu\u1eb7ng nguy\u00ean khai h\u00e0ng n\u0103m c\u1ea5p v\u00e0o nh\u00e0 m\u00e1y tuy\u1ec3n, t\u01b0\u01a1ng \u1ee9ng v\u1edbi gi\u1ea3m di\u1ec7n t\u00edch khai th\u00e1c h\u00e0ng n\u0103m l\u00e0 5,1ha. \u0110i\u1ec1u \u0111\u00f3 g\u00f3p ph\u1ea7n l\u00e0m t\u0103ng tu\u1ed5i th\u1ecd m\u1ecf l\u00ean kho\u1ea3ng 7%, t\u1eadn thu t\u00e0i nguy\u00ean v\u00e0 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><em>*\u00a0<\/em>\u0110\u1ed1i v\u1edbi \u0111\u1ec1 t\u00e0i:<em>\u201cNghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 nh\u1eb1m ti\u00eau hao b\u1ed9t manh\u00eatit t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n than V\u00e0ng Danh 1\u201d.<\/em><\/p>\n<p>T\u1ea1i H\u1ed9i ngh\u1ecb, nh\u00f3m th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u0111\u00e3 b\u00e1o c\u00e1o m\u1ed9t s\u1ed1 n\u1ed9i dung nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i bao g\u1ed3m: 1) T\u1ed5ng quan v\u1ec1 t\u00ecnh h\u00ecnh s\u1eed d\u1ee5ng b\u1ed9t manhetit trong c\u00e1c nh\u00e0 m\u00e1y tuy\u1ec3n than tr\u00ean th\u1ebf gi\u1edbi v\u00e0 \u1edf Vi\u1ec7t nam; 2) Kh\u1ea3o s\u00e1t \u0111\u00e1nh gi\u00e1 hi\u1ec7n tr\u1ea1ng c\u00f4ng ngh\u1ec7, thi\u1ebft b\u1ecb trong d\u00e2y chuy\u1ec1n s\u00e0ng tuy\u1ec3n v\u00e0 thu h\u1ed3i mahetit t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n than V\u00e0ng Danh 1;3) Nghi\u00ean c\u1ee9u, ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ti\u00eau hao mahetit v\u00e0 \u0111\u1ec1 xu\u1ea5t gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 nh\u1eb1m gi\u1ea3m ti\u00eau hao b\u1ed9t mahetit t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n than V\u00e0ng Danh 1; 4) T\u00ednh to\u00e1n s\u01a1 b\u1ed9 hi\u1ec7u qu\u1ea3 kinh t\u1ebf khi \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7. Qua \u0111\u00f3 \u0111\u1ec1 t\u00e0i \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p k\u1ef9 th\u1eadt \u0111\u1ed1i v\u1edbi kh\u00e2u s\u00e0ng t\u00e1ch c\u00e1m kh\u00f4 v\u00e0 s\u00e0ng r\u1eeda b\u00f9n trong than c\u1ea5p v\u00e0o tuy\u1ec3n, c\u1ea3i t\u1ea1o kh\u00e2u x\u1eed l\u00fd b\u00f9n n\u01b0\u1edbc, c\u1ea3i t\u1ea1o c\u00e1c t\u1ea7ng l\u01b0\u1edbi s\u00e0ng 57,57a, kh\u00e2u r\u1eeda s\u1ea3n ph\u1ea9m tuy\u1ec3n v\u00e0 kh\u00e2u tuy\u1ec3n t\u1eeb thu h\u1ed3i t\u00e1i sinh huy\u1ec1n ph\u00f9.<\/p>\n<div>K\u1ebft qu\u1ea3, c\u00e1c \u0111\u1ec1 t\u00e0i tr\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c H\u1ed9i \u0111\u1ed3ng khoa h\u1ecdc B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng \u0111\u00e1nh gi\u00e1 cao, x\u1ebfp lo\u1ea1i\u00a0xu\u1ea5t s\u1eafc.\/.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y 9\/5\/2019, H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb\u00a0nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i\u00a0\u201cNghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 tuy\u1ec3n t\u1eadn thu h\u1ed3i qu\u1eb7ng bauxit T\u00e2n Rai &#8211; L\u00e2m \u0110\u1ed3ng\u201d\u00a0v\u00e0 \u0111\u1ec1 t\u00e0i:\u00a0\u201cNghi\u00ean c\u1ee9u c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 nh\u1eb1m ti\u00eau hao b\u1ed9t manh\u00eatit t\u1ea1i nh\u00e0 m\u00e1y tuy\u1ec3n than V\u00e0ng Danh [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":114573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i do Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 M\u1ecf - Vinacomin - Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 M\u1ecf - Vinacomin<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/imsat.vn\/?p=114572\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i do Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 M\u1ecf - Vinacomin - Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 M\u1ecf - Vinacomin\" \/>\n<meta property=\"og:description\" content=\"Ng\u00e0y 9\/5\/2019, H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 B\u1ed9 C\u00f4ng Th\u01b0\u01a1ng \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb\u00a0nghi\u1ec7m thu \u0111\u1ec1 t\u00e0i\u00a0\u201cNghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 tuy\u1ec3n t\u1eadn thu h\u1ed3i qu\u1eb7ng bauxit T\u00e2n Rai &#8211; 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