{"id":130869,"date":"2024-01-31T13:46:42","date_gmt":"2024-01-31T05:46:42","guid":{"rendered":"https:\/\/www.alpapowder.com\/130869\/"},"modified":"2024-01-31T13:46:43","modified_gmt":"2024-01-31T05:46:43","slug":"thiet-bi-nghien-bot-mau-sieu-min","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130869\/","title":{"rendered":"Thi\u1ebft b\u1ecb nghi\u1ec1n b\u1ed9t m\u00e0u si\u00eau m\u1ecbn"},"content":{"rendered":"

\"\"<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a s\u1eafc t\u1ed1. N\u00f3i chung, c\u00e1c h\u1ea1t s\u1eafc t\u1ed1 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 d\u1ea1ng v\u1eadt l\u00fd \u1ed5n \u0111\u1ecbnh, k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, kh\u00f4ng b\u1ecb k\u1ebft t\u1ee5 ho\u1eb7c k\u1ebft t\u1ee7a.<\/p>\n

\u200bS\u1eafc t\u1ed1 oxit s\u1eaft l\u00e0 m\u1ed9t s\u1eafc t\u1ed1 c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, kh\u1ea3 n\u0103ng ch\u1ed1ng \u00e1nh s\u00e1ng v\u00e0 ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft tuy\u1ec7t v\u1eddi. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ed1n lo\u1ea1i s\u1eafc t\u1ed1 m\u00e0u \u0111\u1ecf oxit s\u1eaft, s\u1eaft v\u00e0ng, \u0111en s\u1eaft v\u00e0 n\u00e2u s\u1eaft d\u1ef1a tr\u00ean oxit s\u1eaft. Trong s\u1ed1 \u0111\u00f3, oxit s\u1eaft \u0111\u1ecf l\u00e0 ch\u00ednh.
\nC\u00e1c ch\u1ea5t m\u00e0u oxit s\u1eaft k\u1ebft t\u1ee7a (\u01b0\u1edbt) r\u1ea5t m\u1ecbn, nh\u01b0ng trong qu\u00e1 tr\u00ecnh l\u1ecdc v\u00e0 s\u1ea5y kh\u00f4, do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 l\u1ef1c van der Waals, li\u00ean k\u1ebft hydro, \u0111i\u1ec7n t\u00edch, v.v., c\u00e1c c\u1ed1t li\u1ec7u vi m\u00f4 t\u1ed5ng h\u1ee3p th\u00e0nh c\u00e1c c\u1ed1t li\u1ec7u l\u1edbn v\u00e0 kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong c\u00e1c l\u1edbp ph\u1ee7 cao c\u1ea5p. \u0110\u1ec3 t\u1ea1o m\u00e0u, c\u1ea7n ph\u1ea3i nghi\u1ec1n si\u00eau m\u1ecbn. Phay ph\u1ea3n l\u1ef1c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a lu\u1ed3ng kh\u00f4ng kh\u00ed t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u1ec3 nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c v\u1eadt li\u1ec7u r\u1eafn. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p m\u00e0i si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

Hi\u1ec7n nay, trong ng\u00e0nh s\u1ea3n xu\u1ea5t b\u1ed9t m\u00e0u, ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y nghi\u1ec1n lu\u1ed3ng kh\u00ed ng\u00e0y c\u00e0ng m\u1edf r\u1ed9ng, ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb hai y\u1ebfu t\u1ed1 sau:<\/p>\n

Th\u1ee9 nh\u1ea5t, \u0111\u1ed9 an to\u00e0n c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n c\u01a1 h\u1ecdc k\u00e9m, v\u00ec n\u1ebfu kim lo\u1ea1i c\u1ee9ng r\u01a1i v\u00e0o r\u0103ng c\u01a1 h\u1ecdc quay t\u1ed1c \u0111\u1ed9 cao, r\u1ea5t d\u1ec5 t\u1ea1o ra ng\u1ecdn l\u1eeda h\u1edf, \u0111i\u1ec1u n\u00e0y r\u1ea5t nguy hi\u1ec3m trong x\u01b0\u1edfng s\u1ea3n xu\u1ea5t b\u1ed9t m\u00e0u nhi\u1ec1u b\u1ee5i, nh\u01b0ng qu\u00e1 tr\u00ecnh nghi\u1ec1n kh\u00f4ng kh\u00ed kh\u00f4ng c\u00f3 c\u00e2u h\u1ecfi n\u00e0y;<\/p>\n

Th\u1ee9 hai, nghi\u1ec1n b\u1eb1ng lu\u1ed3ng kh\u00ed thu\u1ed9c lo\u1ea1i nghi\u1ec1n si\u00eau m\u1ecbn. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 s\u1eafc t\u1ed1 \u0111\u1eb7c bi\u1ec7t, \u0111\u1ed9 m\u1ecbn c\u1ee7a s\u1eafc t\u1ed1 \u0111\u00f2i h\u1ecfi ph\u1ea3i cao h\u01a1n.<\/p>\n

1. S\u1eafc t\u1ed1 oxit s\u1eaft<\/p>\n

Trong qu\u00e1 tr\u00ecnh l\u1ecdc v\u00e0 s\u1ea5y kh\u00f4 c\u00e1c s\u1eafc t\u1ed1 oxit s\u1eaft, do l\u1ef1c van der Waals, li\u00ean k\u1ebft hydro, \u0111i\u1ec7n t\u00edch v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, c\u00e1c t\u1eadp h\u1ee3p vi m\u00f4 k\u1ebft h\u1ee3p th\u00e0nh c\u00e1c t\u1eadp h\u1ee3p l\u1edbn, kh\u00f4ng th\u1ec3 ph\u00e2n t\u00e1ch th\u00f4ng qua t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc n\u00f3i chung. S\u1eed d\u1ee5ng m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i ho\u1eb7c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c d\u1ea1ng \u0111\u0129a \u0111\u1ec3 x\u1eed l\u00fd b\u1ed9t m\u00e0u oxit s\u1eaft, \u0111\u1ed9 m\u1ecbn Hagermann c\u00f3 th\u1ec3 \u0111\u1ea1t: oxit s\u1eaft \u0111\u1ecf 5,5 \u0111\u1ebfn 7,0, m\u00e0u c\u00e0ng \u0111\u1eadm th\u00ec \u0111\u1ed9 m\u1ecbn c\u00e0ng t\u1ed1t; oxit s\u1eaft m\u00e0u v\u00e0ng 7,5; oxit s\u1eaft \u0111en 7.0.<\/p>\n

Sau khi nghi\u1ec1n si\u00eau m\u1ecbn, s\u1eafc t\u1ed1 oxit s\u1eaft b\u1ecb kh\u1eed polyme t\u1eeb c\u00e1c c\u1ed1t li\u1ec7u l\u1edbn th\u00e0nh c\u00e1c c\u1ed1t li\u1ec7u nh\u1ecf. Khi s\u1ea3n xu\u1ea5t s\u01a1n, ch\u1ec9 m\u1ea5t m\u1ed9t th\u1eddi gian ng\u1eafn qu\u00e1 tr\u00ecnh khu\u1ea5y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn c\u1ea7n thi\u1ebft, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf. C\u1ed1t li\u1ec7u kh\u00f3 th\u00f4 th\u00e0nh c\u1ed1t li\u1ec7u l\u1edbn n\u00ean \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u01a1n.<\/p>\n

2. S\u1eafc t\u1ed1 ferrite mangan ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao m\u00e0u \u0111en<\/p>\n

C\u00e1c h\u1ea1t m\u1ecbn c\u1ee7a s\u1eafc t\u1ed1 mangan ferrite \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1ec1 m\u1eb7t, bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t, s\u1ea5y kh\u00f4 v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t s\u1ebd k\u1ebft t\u1ee5 l\u1ea1i th\u00e0nh c\u00e1c h\u1ea1t th\u00f4 \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau v\u00e0 kh\u00f4ng th\u1ec3 ph\u00e1t huy hi\u1ec7u qu\u1ea3 c\u00e1c \u0111\u1eb7c t\u00ednh s\u1eafc t\u1ed1 c\u1ee7a mangan ferrite.<\/p>\n

Sau khi x\u1eed l\u00fd s\u00e2u v\u00e0 nghi\u1ec1n b\u1eb1ng m\u00e1y nghi\u1ec1n t\u1ea7ng s\u00f4i ho\u1eb7c m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ki\u1ec3u \u0111\u0129a, \u0111\u1ed9 m\u1ecbn Hagermann c\u1ee7a s\u1eafc t\u1ed1 ferit mangan l\u00e0 kho\u1ea3ng 7 \u0111\u1ebfn 7,5. N\u00f3 c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 ph\u00e1t huy h\u1ebft c\u00e1c \u0111\u1eb7c t\u00ednh quang h\u1ecdc v\u00e0 s\u1eafc t\u1ed1 c\u1ee7a n\u00f3.<\/p>\n

3. S\u1eafc t\u1ed1 g\u1ed1m m\u00e0u n\u00e2u<\/p>\n

Ch\u1ea5t m\u00e0u g\u1ed1m m\u00e0u n\u00e2u \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn b\u1eb1ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c ph\u1eb3ng. Khi \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed l\u00e0 7,5\u00d7105Pa v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u l\u00e0 100kg\/h, s\u1ea3n ph\u1ea9m d50 l\u00e0 4,55\u03bcm v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1ed1i \u0111a l\u00e0 9,64\u03bcm.<\/p>\n

Hi\u1ec7n nay, c\u00e1c thi\u1ebft b\u1ecb nghi\u1ec1n si\u00eau m\u1ecbn ph\u1ed5 bi\u1ebfn bao g\u1ed3m m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c, m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc, m\u00e1y nghi\u1ec1n bi khu\u1ea5y, m\u00e1y nghi\u1ec1n c\u00e1t, m\u00e1y rung, m\u00e1y nghi\u1ec1n keo, m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c cao \u00e1p, m\u00e1y nghi\u1ec1n bi h\u00e0nh tinh, m\u00e1y nghi\u1ec1n con l\u0103n \u00e1p l\u1ef1c v\u00e0 con l\u0103n v\u00f2ng. c\u1ed1i xay. v\u00e2n v\u00e2n.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u200bS\u1eafc t\u1ed1 oxit s\u1eaft l\u00e0 m\u1ed9t s\u1eafc t\u1ed1 c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, kh\u1ea3 n\u0103ng ch\u1ed1ng \u00e1nh s\u00e1ng v\u00e0 ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft tuy\u1ec7t v\u1eddi.<\/p>\n","protected":false},"author":7,"featured_media":130830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130869","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=130869"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130869\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/130830"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}