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JPS5250911A - Process for controlling air-fuel ratio of heat tretment furnace - Google Patents

Process for controlling air-fuel ratio of heat tretment furnace

Info

Publication number
JPS5250911A
JPS5250911A JP50127207A JP12720775A JPS5250911A JP S5250911 A JPS5250911 A JP S5250911A JP 50127207 A JP50127207 A JP 50127207A JP 12720775 A JP12720775 A JP 12720775A JP S5250911 A JPS5250911 A JP S5250911A
Authority
JP
Japan
Prior art keywords
furnace
fuel ratio
controlling air
tretment
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50127207A
Other languages
Japanese (ja)
Inventor
Mitsutoshi Kikuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP50127207A priority Critical patent/JPS5250911A/en
Publication of JPS5250911A publication Critical patent/JPS5250911A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/52—Methods of heating with flames

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

PURPOSE:To prevent change of furnace atmosphere caused by the change of fuel composition to ensure the clean surface of hoops by controlling air-fuel ratio according to CO, CO2 contents of atmosphere in a furnace for the heat treatment of hoop etc.
JP50127207A 1975-10-22 1975-10-22 Process for controlling air-fuel ratio of heat tretment furnace Pending JPS5250911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50127207A JPS5250911A (en) 1975-10-22 1975-10-22 Process for controlling air-fuel ratio of heat tretment furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50127207A JPS5250911A (en) 1975-10-22 1975-10-22 Process for controlling air-fuel ratio of heat tretment furnace

Publications (1)

Publication Number Publication Date
JPS5250911A true JPS5250911A (en) 1977-04-23

Family

ID=14954360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50127207A Pending JPS5250911A (en) 1975-10-22 1975-10-22 Process for controlling air-fuel ratio of heat tretment furnace

Country Status (1)

Country Link
JP (1) JPS5250911A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54171462U (en) * 1978-05-24 1979-12-04
JPS56127121A (en) * 1980-03-11 1981-10-05 Babcock Hitachi Kk Method of controlling combustion apparatus
JPS5728922A (en) * 1980-07-26 1982-02-16 Hirakawa Tekkosho:Kk Control device for carbon monoxide
JPS57144821A (en) * 1981-03-04 1982-09-07 Chino Works Ltd Control unit for combustion furnace
JPS57161416A (en) * 1981-03-27 1982-10-05 Daiichi Sekkei Jimusho:Kk Flue damper for incinerator
JPS59144341U (en) * 1983-03-14 1984-09-27 株式会社荏原製作所 Raw material supply device to incinerator
KR100446683B1 (en) * 2001-12-21 2004-09-01 주식회사 포스코 Control Method of Air-Fuel Ratio with Change of Calorific Value of Mixed Gas in a Reheating Furnace
CN103032887A (en) * 2012-12-31 2013-04-10 河南省电力公司电力科学研究院 Method for realizing energy-saving running of coal burning boiler

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54171462U (en) * 1978-05-24 1979-12-04
JPS582962Y2 (en) * 1978-05-24 1983-01-19 株式会社日立ホームテック High frequency heating device
JPS56127121A (en) * 1980-03-11 1981-10-05 Babcock Hitachi Kk Method of controlling combustion apparatus
JPS6360287B2 (en) * 1980-03-11 1988-11-24
JPS5728922A (en) * 1980-07-26 1982-02-16 Hirakawa Tekkosho:Kk Control device for carbon monoxide
JPS57144821A (en) * 1981-03-04 1982-09-07 Chino Works Ltd Control unit for combustion furnace
JPS57161416A (en) * 1981-03-27 1982-10-05 Daiichi Sekkei Jimusho:Kk Flue damper for incinerator
JPS59144341U (en) * 1983-03-14 1984-09-27 株式会社荏原製作所 Raw material supply device to incinerator
KR100446683B1 (en) * 2001-12-21 2004-09-01 주식회사 포스코 Control Method of Air-Fuel Ratio with Change of Calorific Value of Mixed Gas in a Reheating Furnace
CN103032887A (en) * 2012-12-31 2013-04-10 河南省电力公司电力科学研究院 Method for realizing energy-saving running of coal burning boiler
CN103032887B (en) * 2012-12-31 2015-02-04 河南省电力公司电力科学研究院 Method for realizing energy-saving running of coal burning boiler

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