{"id":691443,"date":"2024-09-29T13:35:25","date_gmt":"2024-09-29T12:35:25","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=691443"},"modified":"2024-09-29T13:35:25","modified_gmt":"2024-09-29T12:35:25","slug":"khi-acetylene-han-nhiet-do-ngon-lua-cao-ung-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/khi-acetylene-han-nhiet-do-ngon-lua-cao-ung-dung\/","title":{"rendered":"Kh\u00ed Acetylene | H\u00e0n, Nhi\u1ec7t \u0110\u1ed9 Ng\u1ecdn L\u1eeda Cao & \u1ee8ng D\u1ee5ng"},"content":{"rendered":"

T\u00ecm hi\u1ec3u v\u1ec1 kh\u00ed Acetylene trong ng\u00e0nh nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda cao, hi\u1ec7u qu\u1ea3 trong h\u00e0n v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. H\u1ed7 tr\u1ee3 c\u00f4ng nghi\u1ec7p c\u01a1 kh\u00ed, c\u1eaft kim lo\u1ea1i.<\/p>\n

\"Kh\u00ed<\/p>\n

Kh\u00ed Acetylene | H\u00e0n, Nhi\u1ec7t \u0110\u1ed9 Ng\u1ecdn L\u1eeda Cao & \u1ee8ng D\u1ee5ng<\/h2>\n

Kh\u00ed acetylene (C2<\/sub>H2<\/sub>) l\u00e0 m\u1ed9t trong nh\u1eefng kh\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 c\u1eaft. Acetylene l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 thu\u1ed9c nh\u00f3m hydrocarbon v\u1edbi c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc C2<\/sub>H2<\/sub>. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i kh\u00ed kh\u00f4ng m\u00e0u, d\u1ec5 ch\u00e1y v\u1edbi ng\u1ecdn l\u1eeda c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao khi \u0111\u1ed1t ch\u00e1y v\u1edbi oxy.<\/p>\n

H\u00e0n B\u1eb1ng Acetylene<\/h2>\n

K\u1ef9 thu\u1eadt h\u00e0n oxy-acetylene l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quen thu\u1ed9c trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00e0n. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t m\u0169i h\u00e0n v\u1edbi h\u1ed7n h\u1ee3p kh\u00ed oxy v\u00e0 acetylene \u0111\u1ec3 t\u1ea1o ra ng\u1ecdn l\u1eeda c\u1ef1c k\u1ef3 nhi\u1ec7t \u0111\u1ed9 cao, nhanh ch\u00f3ng l\u00e0m n\u00f3ng v\u00e0 n\u1ea5u ch\u1ea3y kim lo\u1ea1i, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i ho\u1eb7c c\u1eaft c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

<\/p>\n

  • Nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda c\u1ee7a ph\u1ea3n \u1ee9ng \u0111\u1ed1t ch\u00e1y oxy-acetylene c\u00f3 th\u1ec3 l\u00ean t\u1edbi kho\u1ea3ng 3,500\u00b0C, r\u1ea5t cao so v\u1edbi nhi\u1ec1u lo\u1ea1i ng\u1ecdn l\u1eeda kh\u00e1c nh\u01b0 LPG (Liquefied Petroleum Gas) hay kh\u00ed thi\u00ean nhi\u00ean.<\/li>\n
  • Acetylene ch\u00e1y trong m\u00f4i tr\u01b0\u1eddng oxy theo ph\u1ea3n \u1ee9ng: 2C2<\/sub>H2<\/sub> + 5O2<\/sub> \u2192 4CO2<\/sub> + 2H2<\/sub>O<\/li>\n

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

    Nhi\u1ec7t \u0110\u1ed9 Ng\u1ecdn L\u1eeda Cao<\/h2>\n

    Nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda cao c\u1ee7a acetylene l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn t\u00ednh hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 c\u1eaft. V\u1edbi nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 3,500\u00b0C khi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi oxy, acetylene c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m n\u00f3ng ch\u1ea3y h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i kim lo\u1ea1i, vi\u1ec7c n\u00e0y gi\u00fap:<\/p>\n

    <\/p>\n

  • Th\u1ef1c hi\u1ec7n c\u00e1c m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 m\u1ecbn m\u00e0ng.<\/li>\n
  • C\u1eaft c\u00e1c t\u1ea5m kim lo\u1ea1i d\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/li>\n
  • S\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng vi\u1ec7c c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 gia nhi\u1ec7t, \u0111\u00fac v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/li>\n

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

    \u1ee8ng D\u1ee5ng C\u1ee7a Kh\u00ed Acetylene<\/h2>\n

    Kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00e0n, kh\u00ed acetylene c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng kh\u00e1c:<\/p>\n

    <\/p>\n

  • Trong vi\u1ec7c s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t: Acetylene l\u00e0 nguy\u00ean li\u1ec7u c\u01a1 b\u1ea3n \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc nh\u01b0 polyvinyl chloride (PVC), acetic acid.<\/li>\n
  • Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00e1nh s\u00e1ng: Tr\u01b0\u1edbc khi c\u00f3 \u0111\u00e8n \u0111i\u1ec7n, acetylene \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o ra \u00e1nh s\u00e1ng trong c\u00e1c \u0111\u00e8n c\u1ea7m tay ho\u1eb7c \u0111\u00e8n xe do kh\u1ea3 n\u0103ng ph\u00e1t s\u00e1ng m\u1ea1nh.<\/li>\n
  • Trong nghi\u00ean c\u1ee9u v\u00e0 th\u00ed nghi\u1ec7m khoa h\u1ecdc: Nh\u1edd \u0111\u1eb7c t\u00ednh ch\u00e1y m\u1ea1nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, acetylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u th\u00ed nghi\u1ec7m khoa h\u1ecdc \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u1ec1 qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/li>\n

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

    V\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng, kh\u00ed acetylene \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng v\u00e0 c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u00ecm hi\u1ec3u v\u1ec1 kh\u00ed Acetylene trong ng\u00e0nh nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda cao, hi\u1ec7u qu\u1ea3 trong h\u00e0n v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. H\u1ed7 tr\u1ee3 c\u00f4ng nghi\u1ec7p c\u01a1 kh\u00ed, c\u1eaft kim lo\u1ea1i.<\/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":"\nKh\u00ed Acetylene | H\u00e0n, Nhi\u1ec7t \u0110\u1ed9 Ng\u1ecdn L\u1eeda Cao & \u1ee8ng D\u1ee5ng<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u v\u1ec1 kh\u00ed Acetylene trong ng\u00e0nh nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 ng\u1ecdn l\u1eeda cao, hi\u1ec7u qu\u1ea3 trong h\u00e0n v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. 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