JPS5370010A - Operating method for electric furnace - Google Patents

Operating method for electric furnace

Info

Publication number
JPS5370010A
JPS5370010A JP14601376A JP14601376A JPS5370010A JP S5370010 A JPS5370010 A JP S5370010A JP 14601376 A JP14601376 A JP 14601376A JP 14601376 A JP14601376 A JP 14601376A JP S5370010 A JPS5370010 A JP S5370010A
Authority
JP
Japan
Prior art keywords
electric furnace
operating method
furnace
nitrogen
molten
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
JP14601376A
Other languages
Japanese (ja)
Inventor
Hiroshi Kodama
Kazuo Koga
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
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP14601376A priority Critical patent/JPS5370010A/en
Publication of JPS5370010A publication Critical patent/JPS5370010A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

PURPOSE: To prevent effectively the intrusion of nitrogen into the molten metal, by lowering the partial pressure of nitrogen in the furnace by blowing-in argon gas into the furnace, when the stainless steel, etc. is molten and refined using the electric furnace.
COPYRIGHT: (C)1978,JPO&Japio
JP14601376A 1976-12-03 1976-12-03 Operating method for electric furnace Pending JPS5370010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14601376A JPS5370010A (en) 1976-12-03 1976-12-03 Operating method for electric furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14601376A JPS5370010A (en) 1976-12-03 1976-12-03 Operating method for electric furnace

Publications (1)

Publication Number Publication Date
JPS5370010A true JPS5370010A (en) 1978-06-22

Family

ID=15398110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14601376A Pending JPS5370010A (en) 1976-12-03 1976-12-03 Operating method for electric furnace

Country Status (1)

Country Link
JP (1) JPS5370010A (en)

Similar Documents

Publication Publication Date Title
JPS5370010A (en) Operating method for electric furnace
JPS5231916A (en) Recovering method of metallic iron from steel making slag
JPS5399071A (en) Removing apparatus of exhaust gas
JPS5343003A (en) Arc furnace operating method
JPS5228036A (en) Method for preventing fracture of arc furnace electrode
JPS53147631A (en) Method of reducing activated gas
JPS5437092A (en) Method of treating steel slag
JPS5339297A (en) Production of alkali metal carbonate from molten iron alloy refining slag as raw material
JPS5270904A (en) Method and apparatus for reventing intermingling of molten slag
JPS52146718A (en) Method and raw material for smelting copper scrap
JPS51147405A (en) A process and apparatus for production of low hydrogen content casting ingot in electro-slag remelting process
JPS52147513A (en) Smelting method of low nitrogen steel at steel making arc furnace
JPS52712A (en) Apparatus for adding low melting point metal to molten metal
JPS5224997A (en) Method for rust proofing of expansive graphite
JPS5432194A (en) Converter slag treating method
JPS51128613A (en) Treatment process of molten metal
JPS5240406A (en) Process for treating molten metal
JPS5433816A (en) Method of utilizing converter slags
JPS5376906A (en) Adding method for treating agent to molten metal
JPS5288211A (en) Method and equipment for continuous treatment of magnetic material
JPS53135817A (en) Continuously casting and rolling method for al and al alloy
JPS5236504A (en) Process for producing ingot of chromium or chromium alloy
JPS5387918A (en) Refining method for low nitrogen steel
GB1530824A (en) Method of treating cast-iron melts
JPS5265124A (en) Melting method of high tenacity cast iron