JPS5433813A - Combustion control device in incandescence furnace - Google Patents

Combustion control device in incandescence furnace

Info

Publication number
JPS5433813A
JPS5433813A JP10031977A JP10031977A JPS5433813A JP S5433813 A JPS5433813 A JP S5433813A JP 10031977 A JP10031977 A JP 10031977A JP 10031977 A JP10031977 A JP 10031977A JP S5433813 A JPS5433813 A JP S5433813A
Authority
JP
Japan
Prior art keywords
furnace
incandescence
control device
combustion control
concentration
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.)
Granted
Application number
JP10031977A
Other languages
Japanese (ja)
Other versions
JPS5761097B2 (en
Inventor
Hiro Amano
Naotake Okubo
Hideyuki Okaya
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 JP10031977A priority Critical patent/JPS5433813A/en
Publication of JPS5433813A publication Critical patent/JPS5433813A/en
Publication of JPS5761097B2 publication Critical patent/JPS5761097B2/ja
Granted 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere

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)
  • Control Of Heat Treatment Processes (AREA)
  • Feedback Control In General (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

PURPOSE:To provide the subject device comprising a sensitivity automatic correction circuit of an furnace O2 concentration control system and a circuit for adding and amending the air flow corresponding to the CO concentration more than the limit value is added to theoutput signal of said correction circuit, thereby to obtain the subject device which can control th the furnace O2 concentration in a predetermined range for a long time.
JP10031977A 1977-08-22 1977-08-22 Combustion control device in incandescence furnace Granted JPS5433813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10031977A JPS5433813A (en) 1977-08-22 1977-08-22 Combustion control device in incandescence furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10031977A JPS5433813A (en) 1977-08-22 1977-08-22 Combustion control device in incandescence furnace

Publications (2)

Publication Number Publication Date
JPS5433813A true JPS5433813A (en) 1979-03-12
JPS5761097B2 JPS5761097B2 (en) 1982-12-22

Family

ID=14270857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10031977A Granted JPS5433813A (en) 1977-08-22 1977-08-22 Combustion control device in incandescence furnace

Country Status (1)

Country Link
JP (1) JPS5433813A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698429A (en) * 1980-01-09 1981-08-07 Nippon Kokan Kk <Nkk> Controlling method of oxygen concn. in combustion furnace
JPS60151709A (en) * 1984-01-18 1985-08-09 Kawasaki Steel Corp Temperature controller for industrial furnace
JPS6129904A (en) * 1984-07-20 1986-02-12 Nippon Steel Corp Material temperature controller of thermal processing furnace
JPS6129903A (en) * 1984-07-20 1986-02-12 Nippon Steel Corp Material temperature controller of heat processing furnace

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5698429A (en) * 1980-01-09 1981-08-07 Nippon Kokan Kk <Nkk> Controlling method of oxygen concn. in combustion furnace
JPS6247926B2 (en) * 1980-01-09 1987-10-12 Nippon Kokan Kk
JPS60151709A (en) * 1984-01-18 1985-08-09 Kawasaki Steel Corp Temperature controller for industrial furnace
JPH0565883B2 (en) * 1984-01-18 1993-09-20 Kawasaki Steel Co
JPS6129904A (en) * 1984-07-20 1986-02-12 Nippon Steel Corp Material temperature controller of thermal processing furnace
JPS6129903A (en) * 1984-07-20 1986-02-12 Nippon Steel Corp Material temperature controller of heat processing furnace
JPH0527123B2 (en) * 1984-07-20 1993-04-20 Shinnippon Seitetsu Kk
JPH0527122B2 (en) * 1984-07-20 1993-04-20 Shinnippon Seitetsu Kk

Also Published As

Publication number Publication date
JPS5761097B2 (en) 1982-12-22

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