{"id":674745,"date":"2024-09-28T07:33:43","date_gmt":"2024-09-28T06:33:43","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=674745"},"modified":"2024-09-28T07:33:43","modified_gmt":"2024-09-28T06:33:43","slug":"cach-khu-nhiem-mau-bang-phuong-phap-nhiet-phan","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-khu-nhiem-mau-bang-phuong-phap-nhiet-phan\/","title":{"rendered":"C\u00e1ch kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n"},"content":{"rendered":"

Kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t nhi\u1ec5m b\u1ea9n, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a m\u1eabu v\u1eadt.<\/p>\n

\"C\u00e1ch<\/p>\n

C\u00e1ch kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, nhi\u1ec7t ph\u00e2n l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed nhi\u1ec5m m\u1eabu. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m kh\u00f4ng mong mu\u1ed1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t ph\u00e2n v\u00e0 c\u00e1ch th\u1ef1c hi\u1ec7n quy tr\u00ecnh n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

Nhi\u1ec7t ph\u00e2n l\u00e0 g\u00ec?<\/h2>\n

Nhi\u1ec7t ph\u00e2n l\u00e0 qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y c\u00e1c h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc khi ch\u00fang ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao. \u1ede nhi\u1ec7t \u0111\u1ed9 cao, c\u00e1c li\u00ean k\u1ebft h\u00f3a h\u1ecdc trong h\u1ee3p ch\u1ea5t b\u1ecb ph\u00e1 v\u1ee1, t\u1ea1o ra c\u00e1c ch\u1ea5t m\u1edbi m\u00e0 th\u01b0\u1eddng l\u00e0 \u00edt \u0111\u1ed9c h\u1ea1i ho\u1eb7c d\u1ec5 x\u1eed l\u00fd h\u01a1n so v\u1edbi ch\u1ea5t ban \u0111\u1ea7u.<\/p>\n

C\u00e1c b\u01b0\u1edbc kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng nhi\u1ec7t ph\u00e2n<\/h2>\n
    \n
  1. Chu\u1ea9n b\u1ecb m\u1eabu:<\/b> M\u1eabu v\u1eadt c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh nhi\u1ec7t ph\u00e2n. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 c\u1eaft nh\u1ecf m\u1eabu n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n
  2. \u0110\u1eb7t m\u1eabu v\u00e0o l\u00f2 nung:<\/b> M\u1eabu v\u1eadt sau khi chu\u1ea9n b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o l\u00f2 nung (oven ho\u1eb7c furnace). L\u00f2 nung c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng t\u1edbi m\u1ed9t nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i ch\u1ea5t \u00f4 nhi\u1ec5m c\u1ea7n lo\u1ea1i b\u1ecf.<\/li>\n
  3. Qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n:<\/b> Trong l\u00f2 nung, m\u1eabu s\u1ebd \u0111\u01b0\u1ee3c gi\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong m\u1ed9t kho\u1ea3ng th\u1eddi gian x\u00e1c \u0111\u1ecbnh. Nhi\u1ec7t \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 400\u00b0C \u0111\u1ebfn 800\u00b0C t\u00f9y thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n c\u1ee7a m\u1eabu v\u00e0 lo\u1ea1i ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m.<\/li>\n
  4. Oxy h\u00f3a c\u00e1c s\u1ea3n ph\u1ea9m nhi\u1ec7t ph\u00e2n:<\/b> Qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n t\u1ea1o ra c\u00e1c kh\u00ed th\u1ea3i v\u00e0 c\u1eb7n b\u00e3. C\u00e1c s\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c oxy h\u00f3a ho\u1eb7c x\u1eed l\u00fd th\u00eam \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u00f4ng g\u00e2y h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng.<\/li>\n
  5. L\u00e0m m\u00e1t v\u00e0 thu h\u1ed3i s\u1ea3n ph\u1ea9m:<\/b> Sau khi qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n ho\u00e0n t\u1ea5t, m\u1eabu s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t t\u1eeb t\u1eeb \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u. C\u00e1c s\u1ea3n ph\u1ea9m sau c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh nhi\u1ec7t ph\u00e2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu h\u1ed3i \u0111\u1ec3 ph\u00e2n t\u00edch ho\u1eb7c s\u1eed d\u1ee5ng ti\u1ebfp.<\/li>\n<\/ol>\n

    \u01afu \u0111i\u1ec3m c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n<\/h2>\n
      \n
    • Hi\u1ec7u qu\u1ea3 cao:<\/b> Nhi\u1ec7t ph\u00e2n c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u1ed9t lo\u1ea1t c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1, gi\u00fap lo\u1ea1i b\u1ecf h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n
    • B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng:<\/b> Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u00e1t t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m v\u00e0o m\u00f4i tr\u01b0\u1eddng, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n
    • \u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i:<\/b> Ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, bao g\u1ed3m x\u1eed l\u00fd ch\u1ea5t th\u1ea3i nguy h\u1ea1i, t\u00e1i ch\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n

      K\u1ebft lu\u1eadn<\/h2>\n

      Kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c b\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u1eb7t ch\u1ebd, ch\u00fang ta c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf h\u1ea7u h\u1ebft c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m, g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t nhi\u1ec5m b\u1ea9n, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a m\u1eabu v\u1eadt.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nC\u00e1ch kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n<\/title>\n<meta name=\"description\" content=\"Kh\u1eed nhi\u1ec5m m\u1eabu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 lo\u1ea1i b\u1ecf ch\u1ea5t nhi\u1ec5m b\u1ea9n, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a m\u1eabu v\u1eadt.\" 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