{"id":111744,"date":"2021-09-29T13:45:09","date_gmt":"2021-09-29T05:45:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/111744\/"},"modified":"2021-09-29T13:45:09","modified_gmt":"2021-09-29T05:45:09","slug":"anh-huong-cua-ap-suat-va-nhiet-do-doi-voi-may-nghien-khi-tro","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/111744\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi m\u00e1y nghi\u1ec1n kh\u00ed tr\u01a1"},"content":{"rendered":"

C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c:<\/p>\n

1. \u00c1p l\u1ef1c<\/p>\n

\u00c1p su\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0m vi\u1ec7c l\u00e0 th\u00f4ng s\u1ed1 ch\u00ednh t\u1ea1o ra v\u1eadn t\u1ed1c d\u00f2ng ph\u1ea3n l\u1ef1c, v\u00e0 n\u00f3 c\u0169ng l\u00e0 th\u00f4ng s\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn c\u1ee7a qu\u00e1 tr\u00ecnh nghi\u1ec1n b\u1ed9t. \u0110\u1ed9ng n\u0103ng c\u1ee7a ph\u1ea3n l\u1ef1c ch\u1ea5t l\u1ecfng l\u00e0m vi\u1ec7c t\u1ef7 l\u1ec7 v\u1edbi c\u00f4ng su\u1ea5t th\u1ee9 nh\u1ea5t c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 b\u00ecnh ph\u01b0\u01a1ng t\u1ed1c \u0111\u1ed9 c\u1ee7a n\u00f3. Do \u0111\u00f3, \u00e1p su\u1ea5t c\u00e0ng cao v\u00e0 t\u1ed1c \u0111\u1ed9 c\u00e0ng nhanh th\u00ec \u0111\u1ed9ng n\u0103ng c\u00e0ng l\u1edbn. Khi \u00e1p su\u1ea5t h\u01a1i t\u0103ng \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb n\u00e0o \u0111\u00f3, tuy t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed qua v\u00f2i phun kh\u00f4ng t\u0103ng n\u1eefa nh\u01b0ng \u00e1p su\u1ea5t t\u0103ng, m\u1eadt \u0111\u1ed9 d\u00f2ng kh\u00ed t\u0103ng, \u0111\u1ed9ng n\u0103ng t\u0103ng t\u01b0\u01a1ng \u1ee9ng. \u0110\u1ed1i v\u1edbi vi\u1ec7c ch\u1ecdn \u00e1p su\u1ea5t cao nh\u01b0 th\u1ebf n\u00e0o khi nghi\u1ec1n ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng nghi\u1ec1n v\u00e0 \u0111\u1ed9 m\u1ecbn c\u1ee7a v\u1eadt li\u1ec7u, khi s\u1eed d\u1ee5ng h\u01a1i n\u01b0\u1edbc qu\u00e1 nhi\u1ec7t \u0111\u1ec3 nghi\u1ec1n titan \u0111ioxit, \u00e1p su\u1ea5t h\u01a1i n\u00f3i chung l\u00e0 0,8 \uff5e 1,7MPa, v\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u1ec1n v\u00e0 nung n\u00f3i chung l\u00e0 cao h\u01a1n. V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n.<\/p>\n

2. Nhi\u1ec7t \u0111\u1ed9<\/p>\n

V\u00ec khi t\u0103ng nhi\u1ec7t \u0111\u1ed9 th\u00ec t\u1ed1c \u0111\u1ed9 d\u00f2ng c\u1ee7a ch\u1ea5t kh\u00ed c\u00f3 th\u1ec3 t\u0103ng l\u00ean. L\u1ea5y kh\u00f4ng kh\u00ed l\u00e0m v\u00ed d\u1ee5: v\u1eadn t\u1ed1c t\u1edbi h\u1ea1n \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng l\u00e0 320m \/ s. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean 480 \u2103 th\u00ec v\u1eadn t\u1ed1c t\u1edbi h\u1ea1n c\u00f3 th\u1ec3 t\u0103ng l\u00ean 500m \/ s, t\u1ee9c l\u00e0 \u0111\u1ed9ng n\u0103ng t\u0103ng 150%. T\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0m vi\u1ec7c c\u00f3 l\u1ee3i cho hi\u1ec7u qu\u1ea3 nghi\u1ec1n. Khi nghi\u1ec1n titan \u0111i\u00f4x\u00edt th\u00e0nh b\u1ed9t, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u01a1i qu\u00e1 nhi\u1ec7t n\u00f3i chung l\u00e0 kho\u1ea3ng 300-400 \u2103. Th\u00f4ng th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n khi nghi\u1ec1n th\u00e0nh b\u1ed9t v\u1eadt li\u1ec7u nung v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n khi nghi\u1ec1n v\u1eadt li\u1ec7u \u0111\u00e3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t. Do m\u1ed9t s\u1ed1 ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t h\u1eefu c\u01a1, kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, n\u00ean \u0111\u00f4i khi ch\u1ec9 c\u1ea7n l\u00e0m n\u00f3ng qu\u00e1 100 \u00b0 C tr\u00ean c\u01a1 s\u1edf nhi\u1ec7t \u0111\u1ed9 h\u01a1i ban \u0111\u1ea7u.<\/p>\n

\"\"<\/p>\n

L\u01b0u \u00fd v\u1ec1 m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c:<\/strong><\/p>\n

(1) Khi thi\u1ebft b\u1ecb d\u1ee1 h\u00e0ng \u0111ang ho\u1ea1t \u0111\u1ed9ng, kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn c\u1eeda d\u1ee1 h\u00e0ng \u0111\u1ec3 tr\u00e1nh tai n\u1ea1n.<\/p>\n

(2) T\u1ed1c \u0111\u1ed9 c\u1ee7a c\u00e1nh qu\u1ea1t kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 t\u1ed1c \u0111\u1ed9 quy \u0111\u1ecbnh, n\u1ebfu kh\u00f4ng nhi\u1ec7t \u0111\u1ed9 s\u1ebd qu\u00e1 cao v\u00e0 c\u00e1nh qu\u1ea1t v\u00e0 \u0111\u1ed9ng c\u01a1 s\u1ebd b\u1ecb h\u1ecfng.<\/p>\n

(3) Van an to\u00e0n c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c bao b\u1ecdc ho\u00e0n to\u00e0n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 c\u00f3 thi\u1ebft b\u1ecb h\u00fat b\u1ee5i chuy\u00ean nghi\u1ec7p, s\u1ebd kh\u00f4ng g\u00e2y r\u00f2 r\u1ec9 b\u1ee5i. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb t\u1ed1t cho nhi\u1ec1u ph\u00e2n x\u01b0\u1edfng c\u1ea7n chuy\u1ec3n \u0111\u1ed5i \u0111\u00e1nh gi\u00e1 m\u00f4i tr\u01b0\u1eddng. M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u00f3a ch\u1ea5t, khai th\u00e1c m\u1ecf, ch\u1ea5t m\u00e0i m\u00f2n, v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda, v\u1eadt li\u1ec7u pin, luy\u1ec7n kim, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, d\u01b0\u1ee3c ph\u1ea9m, g\u1ed1m s\u1ee9, th\u1ee9c \u0103n ch\u0103n nu\u00f4i, v\u1eadt li\u1ec7u m\u1edbi, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c, c\u0169ng nh\u01b0 nghi\u1ec1n si\u00eau m\u1ecbn v\u00e0 ph\u00e2n t\u00e1n c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u b\u1ed9t kh\u00f4. V\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ea1t \u0111\u1ecbnh h\u00ecnh l\u00e0 r\u1ea5t t\u1ed1t, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 k\u00edch th\u01b0\u1edbc m\u1eaft l\u01b0\u1edbi nghi\u1ec1n si\u00eau m\u1ecbn c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u01b0\u1ee3c bao b\u1ecdc ho\u00e0n to\u00e0n trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 c\u00f3 thi\u1ebft b\u1ecb h\u00fat b\u1ee5i chuy\u00ean nghi\u1ec7p, s\u1ebd kh\u00f4ng g\u00e2y r\u00f2 r\u1ec9 b\u1ee5i. \u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb t\u1ed1t cho nhi\u1ec1u ph\u00e2n x\u01b0\u1edfng c\u1ea7n chuy\u1ec3n \u0111\u1ed5i \u0111\u00e1nh gi\u00e1 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"author":6,"featured_media":111720,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-111744","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\/111744"}],"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=111744"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111744\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111720"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=111744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=111744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=111744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}