JPS55152121A - Indirect electroheating furnace - Google Patents

Indirect electroheating furnace

Info

Publication number
JPS55152121A
JPS55152121A JP6067579A JP6067579A JPS55152121A JP S55152121 A JPS55152121 A JP S55152121A JP 6067579 A JP6067579 A JP 6067579A JP 6067579 A JP6067579 A JP 6067579A JP S55152121 A JPS55152121 A JP S55152121A
Authority
JP
Japan
Prior art keywords
temp
tube body
forged
refractory
furnace
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
JP6067579A
Other languages
Japanese (ja)
Other versions
JPS5938859B2 (en
Inventor
Yoshihiko Nakamura
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6067579A priority Critical patent/JPS5938859B2/en
Publication of JPS55152121A publication Critical patent/JPS55152121A/en
Publication of JPS5938859B2 publication Critical patent/JPS5938859B2/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
    • C21D1/34—Methods of heating

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)
  • Resistance Heating (AREA)
  • Forging (AREA)
  • Furnace Details (AREA)

Abstract

PURPOSE:To safely heat a material to be forged in good heat efficiency and a constant temp. without fluctuation by a method wherein a heating furnace apparatus for a material to be forged is constituted of an electrically conductive tube body having plural electrodes and the periphery of the said tube body is covered by a refractory heat insulating material. CONSTITUTION:A hollow longitudinal tube body 1 is made from an electrically conductive material such as stainless steel, carbon and extremely heat resistant steel and appropriate numbers of electrodes 2 and temp. sensing apparatuses 3 are arranged in an appropriate distance over a total length thereof. Moreover, a periphery of each tube body 1 is covered by refractory heat insulating materials 4, 4' with thick wall thickness to be insulated. The tube body 1 is heated by applying low voltage high electric current to electrode 2 and a material to be forged is succesively pushed into the tube body by a pusher 9 from a supply port 8 and, after heating, exhausted out of the furnace of a refractory chute 7 of an outlet 6. During working, the temp. within the tube body 1 is detected by the temp. detecting apparatuses 3 and, if a low temp. portion is detected, the electric current is increased from an electrode in the vicinity thereof to raise the temp. to an objective value. From an outlet, a forged material uniformly heated to an objective temp. is obtained.
JP6067579A 1979-05-16 1979-05-16 Indirectly energized heating furnace Expired JPS5938859B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6067579A JPS5938859B2 (en) 1979-05-16 1979-05-16 Indirectly energized heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6067579A JPS5938859B2 (en) 1979-05-16 1979-05-16 Indirectly energized heating furnace

Publications (2)

Publication Number Publication Date
JPS55152121A true JPS55152121A (en) 1980-11-27
JPS5938859B2 JPS5938859B2 (en) 1984-09-19

Family

ID=13149125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6067579A Expired JPS5938859B2 (en) 1979-05-16 1979-05-16 Indirectly energized heating furnace

Country Status (1)

Country Link
JP (1) JPS5938859B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502645B1 (en) * 2002-05-21 2005-07-22 한국전기초자 주식회사 Glass Melting Equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502645B1 (en) * 2002-05-21 2005-07-22 한국전기초자 주식회사 Glass Melting Equipment

Also Published As

Publication number Publication date
JPS5938859B2 (en) 1984-09-19

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