{"id":702635,"date":"2024-08-19T04:03:55","date_gmt":"2024-08-19T03:03:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=702635"},"modified":"2024-08-19T04:03:55","modified_gmt":"2024-08-19T03:03:55","slug":"pyrometer-nguyen-ly-loai-hinh-giam-sat-nhiet-do-cao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/pyrometer-nguyen-ly-loai-hinh-giam-sat-nhiet-do-cao\/","title":{"rendered":"Pyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao"},"content":{"rendered":"

Pyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng trong vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 cao trong c\u00f4ng nghi\u1ec7p.<\/p>\n

\"Pyrometer<\/p>\n

Pyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, pyrometer l\u00e0 m\u1ed9t d\u1ee5ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 cao m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i pyrometer v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong vi\u1ec7c gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

Nguy\u00ean l\u00fd Ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

Pyrometer ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc b\u1ee9c x\u1ea1 nhi\u1ec7t. M\u1ecdi v\u1eadt th\u1ec3 \u0111\u1ec1u ph\u00e1t ra b\u1ee9c x\u1ea1 nhi\u1ec7t, v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 n\u00e0y t\u0103ng khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng. Pyrometer \u0111o c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 n\u00e0y v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 th\u00f4ng qua c\u00e1c thu\u1eadt to\u00e1n v\u00e0 hi\u1ec7u chu\u1ea9n ph\u1ee9c t\u1ea1p.<\/p>\n

C\u00e1c Lo\u1ea1i Pyrometer<\/h2>\n

<\/p>\n

  • Pyrometer Quang (Optical Pyrometers)<\/b><\/li>\n

    Lo\u1ea1i n\u00e0y \u0111o nhi\u1ec7t \u0111\u1ed9 d\u1ef1a tr\u00ean m\u00e0u s\u1eafc c\u1ee7a \u00e1nh s\u00e1ng t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng. Glower trong thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 m\u00e0u c\u1ee7a n\u00f3 kh\u1edbp v\u1edbi m\u00e0u c\u1ee7a \u00e1nh s\u00e1ng t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng. Khi m\u00e0u s\u1eafc kh\u1edbp nhau, nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u00f2ng \u0111i\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00e0u s\u1eafc \u0111\u00f3.<\/p>\n

  • Pyrometer H\u1ed3ng Ngo\u1ea1i (Infrared Pyrometers)<\/b><\/li>\n

    Pyrometer h\u1ed3ng ngo\u1ea1i s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 c\u1ea3m bi\u1ebfn h\u1ed3ng ngo\u1ea1i (IR sensor) \u0111\u1ec3 \u0111o c\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 nhi\u1ec7t ph\u00e1t ra t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng. C\u01b0\u1eddng \u0111\u1ed9 n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. Lo\u1ea1i n\u00e0y c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 \u0111o \u0111\u01b0\u1ee3c t\u1eeb kho\u1ea3ng c\u00e1ch xa v\u00e0 qua m\u00f4i tr\u01b0\u1eddng b\u1ee5i b\u1eb7m.<\/p>\n

  • Pyrometer B\u1ee9c X\u1ea1 T\u1ed5ng<\/b><\/li>\n

    Lo\u1ea1i n\u00e0y \u0111o t\u1ed5ng b\u1ee9c x\u1ea1 nhi\u1ec7t ph\u00e1t ra t\u1eeb m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng trong m\u1ed9t kho\u1ea3ng b\u01b0\u1edbc s\u00f3ng r\u1ed9ng. C\u01b0\u1eddng \u0111\u1ed9 b\u1ee9c x\u1ea1 sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t \u0111\u1ed9.<\/p>\n

    <\/u1><\/p>\n

    Gi\u00e1m S\u00e1t Nhi\u1ec7t \u0110\u1ed9 Cao<\/h2>\n

    Pyrometer l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nh\u01b0 l\u00f2 luy\u1ec7n kim, l\u00f2 nung s\u1ea3n xu\u1ea5t g\u1ed1m s\u1ee9, v\u00e0 c\u00e1c quy tr\u00ecnh nhi\u1ec7t kh\u00e1c. V\u1edbi kh\u1ea3 n\u0103ng \u0111o nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi h\u00e0ng ng\u00e0n \u0111\u1ed9 C, pyrometer gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c quy tr\u00ecnh n\u00e0y di\u1ec5n ra an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

    <\/p>\n

  • L\u00f2 Luy\u1ec7n Kim<\/b><\/li>\n

    Trong c\u00e1c l\u00f2 luy\u1ec7n kim, nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn h\u00e0ng ng\u00e0n \u0111\u1ed9 C. Vi\u1ec7c s\u1eed d\u1ee5ng pyrometer gi\u00fap ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ef1 an to\u00e0n trong quy tr\u00ecnh luy\u1ec7n kim.<\/p>\n

  • L\u00f2 Nung<\/b><\/li>\n

    Trong s\u1ea3n xu\u1ea5t g\u1ed1m s\u1ee9 v\u00e0 g\u1ea1ch ng\u00f3i, pyrometer gi\u00fap ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 nung, \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng mong mu\u1ed1n.<\/p>\n

  • Ng\u00e0nh S\u1ea3n Xu\u1ea5t<\/b><\/li>\n

    Pyrometer c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c quy tr\u00ecnh nh\u01b0 h\u00e0n, gia c\u00f4ng nhi\u1ec7t v\u00e0 x\u1eed l\u00fd nhi\u1ec7t, n\u01a1i vi\u1ec7c gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n

    <\/u1><\/p>\n

    Nh\u01b0 v\u1eady, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, pyrometer ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ch\u00ednh x\u00e1c v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Pyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng trong vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 cao trong c\u00f4ng nghi\u1ec7p.<\/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":"\nPyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao<\/title>\n<meta name=\"description\" content=\"Pyrometer | Nguy\u00ean l\u00fd, Lo\u1ea1i h\u00ecnh, Gi\u00e1m s\u00e1t Nhi\u1ec7t \u0111\u1ed9 Cao: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng trong vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 cao trong c\u00f4ng nghi\u1ec7p.\" 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