JPS5235110A - Continuous atmosphere heat treatment furnace - Google Patents

Continuous atmosphere heat treatment furnace

Info

Publication number
JPS5235110A
JPS5235110A JP11107175A JP11107175A JPS5235110A JP S5235110 A JPS5235110 A JP S5235110A JP 11107175 A JP11107175 A JP 11107175A JP 11107175 A JP11107175 A JP 11107175A JP S5235110 A JPS5235110 A JP S5235110A
Authority
JP
Japan
Prior art keywords
heat treatment
treatment furnace
atmosphere heat
continuous atmosphere
continuous
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
JP11107175A
Other languages
Japanese (ja)
Other versions
JPS5929643B2 (en
Inventor
Kazuo Akama
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP50111071A priority Critical patent/JPS5929643B2/en
Publication of JPS5235110A publication Critical patent/JPS5235110A/en
Publication of JPS5929643B2 publication Critical patent/JPS5929643B2/en
Expired 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals
    • F27D99/0075—Gas curtain seals

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 Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:A heat treatment furnace for non-oxidizing annealing and bright annealing of long-length materials, which provides extremely high performance, is able to prevent oxidation and is less dangerous.
JP50111071A 1975-09-13 1975-09-13 Continuous atmosphere heat treatment furnace Expired JPS5929643B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50111071A JPS5929643B2 (en) 1975-09-13 1975-09-13 Continuous atmosphere heat treatment furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111071A JPS5929643B2 (en) 1975-09-13 1975-09-13 Continuous atmosphere heat treatment furnace

Publications (2)

Publication Number Publication Date
JPS5235110A true JPS5235110A (en) 1977-03-17
JPS5929643B2 JPS5929643B2 (en) 1984-07-21

Family

ID=14551632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50111071A Expired JPS5929643B2 (en) 1975-09-13 1975-09-13 Continuous atmosphere heat treatment furnace

Country Status (1)

Country Link
JP (1) JPS5929643B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59205412A (en) * 1983-02-10 1984-11-21 ザ・ビ−オ−シ−・グル−プ・ピ−エルシ− Work piece heat treatment and device
FR2583779A1 (en) * 1985-06-25 1986-12-26 Montaudon Patrick Device for reducing the oxidation of objects placed in a gas treatment enclosure when they are extracted therefrom
JPH0374137A (en) * 1989-08-14 1991-03-28 Koken:Kk Earth current suppressing method and device in three-phase water resistor
JP2011089151A (en) * 2009-10-20 2011-05-06 Sumitomo Metal Ind Ltd Method and apparatus for manufacturing hardened steel
JP2011089150A (en) * 2009-10-20 2011-05-06 Sumitomo Metal Ind Ltd Method and apparatus for manufacturing hardened steel
US8641841B2 (en) 2005-07-25 2014-02-04 Nippon Steel & Sumitomo Metal Corporation Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method
CN105886719A (en) * 2016-05-25 2016-08-24 内蒙古包钢钢联股份有限公司 Method for controlling 16 Mn seamless steel tube blank heating

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48100802U (en) * 1972-02-29 1973-11-28
JPS4944843A (en) * 1972-07-31 1974-04-27
JPS51122608A (en) * 1975-04-19 1976-10-26 Daido Steel Co Ltd A gas replacement arrangement in continuous atmosphere heat treating f urnaces

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48100802U (en) * 1972-02-29 1973-11-28
JPS4944843A (en) * 1972-07-31 1974-04-27
JPS51122608A (en) * 1975-04-19 1976-10-26 Daido Steel Co Ltd A gas replacement arrangement in continuous atmosphere heat treating f urnaces

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59205412A (en) * 1983-02-10 1984-11-21 ザ・ビ−オ−シ−・グル−プ・ピ−エルシ− Work piece heat treatment and device
FR2583779A1 (en) * 1985-06-25 1986-12-26 Montaudon Patrick Device for reducing the oxidation of objects placed in a gas treatment enclosure when they are extracted therefrom
JPH0374137A (en) * 1989-08-14 1991-03-28 Koken:Kk Earth current suppressing method and device in three-phase water resistor
US8641841B2 (en) 2005-07-25 2014-02-04 Nippon Steel & Sumitomo Metal Corporation Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method
JP2011089151A (en) * 2009-10-20 2011-05-06 Sumitomo Metal Ind Ltd Method and apparatus for manufacturing hardened steel
JP2011089150A (en) * 2009-10-20 2011-05-06 Sumitomo Metal Ind Ltd Method and apparatus for manufacturing hardened steel
CN105886719A (en) * 2016-05-25 2016-08-24 内蒙古包钢钢联股份有限公司 Method for controlling 16 Mn seamless steel tube blank heating

Also Published As

Publication number Publication date
JPS5929643B2 (en) 1984-07-21

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