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JPS5672133A - Preheating apparatus for continuous annealing furnace - Google Patents

Preheating apparatus for continuous annealing furnace

Info

Publication number
JPS5672133A
JPS5672133A JP14896079A JP14896079A JPS5672133A JP S5672133 A JPS5672133 A JP S5672133A JP 14896079 A JP14896079 A JP 14896079A JP 14896079 A JP14896079 A JP 14896079A JP S5672133 A JPS5672133 A JP S5672133A
Authority
JP
Japan
Prior art keywords
heat
burning gas
blower
burning
steam
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
JP14896079A
Other languages
Japanese (ja)
Other versions
JPS6140730B2 (en
Inventor
Yoshifumi Tadashige
Noritoshi Kimura
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 JP14896079A priority Critical patent/JPS5672133A/en
Publication of JPS5672133A publication Critical patent/JPS5672133A/en
Publication of JPS6140730B2 publication Critical patent/JPS6140730B2/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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire

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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

PURPOSE:To improve efficiency of heat recovery, by installing a heat exchanger which produces steam with the heat of burning gas between a plenum chamber and a blower, so that the temperature of burning gas may be controlled. CONSTITUTION:A large number of radiant tube 4 are put to heating zone 2 and soaking zone 3 of the continuous annealing furnace, and its burning gas is accumulated in plenum chamber 1 after preheating the burning air with the recuperator. The temperature of about 800 deg.C of the burning gas will become about 500 deg.C through heat exchanger 10 during the course of sucking by blower 5. This burning gas is jetted onto steel plate 7 to be treated through a large number of jet nozzle 9 installed in preheating zone 8. After jetting, the exhaust gas of about 300 deg.C is diffused into air through blower 6. Heat exchaner 10 extracts water in the form of steam at waste-heat boiler, but it can extract water in the form of electric power by installing steam turbins.
JP14896079A 1979-11-19 1979-11-19 Preheating apparatus for continuous annealing furnace Granted JPS5672133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14896079A JPS5672133A (en) 1979-11-19 1979-11-19 Preheating apparatus for continuous annealing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14896079A JPS5672133A (en) 1979-11-19 1979-11-19 Preheating apparatus for continuous annealing furnace

Publications (2)

Publication Number Publication Date
JPS5672133A true JPS5672133A (en) 1981-06-16
JPS6140730B2 JPS6140730B2 (en) 1986-09-10

Family

ID=15464503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14896079A Granted JPS5672133A (en) 1979-11-19 1979-11-19 Preheating apparatus for continuous annealing furnace

Country Status (1)

Country Link
JP (1) JPS5672133A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046324A (en) * 1983-08-24 1985-03-13 Kawasaki Steel Corp Continuous annealing equipment
KR100778740B1 (en) * 2001-12-20 2007-11-23 주식회사 포스코 Device for cleaning and pre-heating strip of annealing furnace
CN102517434A (en) * 2012-01-12 2012-06-27 浙江佰耐钢带有限公司 Device for recovering waste heat in heat treatment tempering process of steel strip
JP2014122390A (en) * 2012-12-21 2014-07-03 Jfe Steel Corp Continuous annealing method of steel plate
CN108149000A (en) * 2016-12-02 2018-06-12 宝山钢铁股份有限公司 A kind of energy-saving continuous heat system and its heat treatment method
CN108149002A (en) * 2016-12-02 2018-06-12 宝山钢铁股份有限公司 A kind of continuous annealing preheating and residual neat recovering system and its flexible control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6046324A (en) * 1983-08-24 1985-03-13 Kawasaki Steel Corp Continuous annealing equipment
KR100778740B1 (en) * 2001-12-20 2007-11-23 주식회사 포스코 Device for cleaning and pre-heating strip of annealing furnace
CN102517434A (en) * 2012-01-12 2012-06-27 浙江佰耐钢带有限公司 Device for recovering waste heat in heat treatment tempering process of steel strip
JP2014122390A (en) * 2012-12-21 2014-07-03 Jfe Steel Corp Continuous annealing method of steel plate
CN108149000A (en) * 2016-12-02 2018-06-12 宝山钢铁股份有限公司 A kind of energy-saving continuous heat system and its heat treatment method
CN108149002A (en) * 2016-12-02 2018-06-12 宝山钢铁股份有限公司 A kind of continuous annealing preheating and residual neat recovering system and its flexible control method

Also Published As

Publication number Publication date
JPS6140730B2 (en) 1986-09-10

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