DE68911766D1 - Verfahren zum Entschwefeln von geschmolzenem Metall in einem plasmabeheizten Kupolofen. - Google Patents

Verfahren zum Entschwefeln von geschmolzenem Metall in einem plasmabeheizten Kupolofen.

Info

Publication number
DE68911766D1
DE68911766D1 DE89306101T DE68911766T DE68911766D1 DE 68911766 D1 DE68911766 D1 DE 68911766D1 DE 89306101 T DE89306101 T DE 89306101T DE 68911766 T DE68911766 T DE 68911766T DE 68911766 D1 DE68911766 D1 DE 68911766D1
Authority
DE
Germany
Prior art keywords
plasma
molten metal
cupola furnace
desulfurizing molten
heated
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.)
Expired - Fee Related
Application number
DE89306101T
Other languages
English (en)
Other versions
DE68911766T2 (de
Inventor
Shyam Vasant Dighe
Raymond Francis Taylor
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of DE68911766D1 publication Critical patent/DE68911766D1/de
Publication of DE68911766T2 publication Critical patent/DE68911766T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C21B13/125—By using plasma
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/08—Shaft or like vertical or substantially vertical furnaces heated otherwise than by solid fuel mixed with charge
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture Of Iron (AREA)
DE89306101T 1988-06-29 1989-06-15 Verfahren zum Entschwefeln von geschmolzenem Metall in einem plasmabeheizten Kupolofen. Expired - Fee Related DE68911766T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/212,851 US4853033A (en) 1988-06-29 1988-06-29 Method of desulfurizing molten metal in a plasma fired cupola

Publications (2)

Publication Number Publication Date
DE68911766D1 true DE68911766D1 (de) 1994-02-10
DE68911766T2 DE68911766T2 (de) 1994-05-05

Family

ID=22792655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89306101T Expired - Fee Related DE68911766T2 (de) 1988-06-29 1989-06-15 Verfahren zum Entschwefeln von geschmolzenem Metall in einem plasmabeheizten Kupolofen.

Country Status (8)

Country Link
US (1) US4853033A (de)
EP (1) EP0349167B1 (de)
JP (1) JP2747524B2 (de)
BR (1) BR8903199A (de)
CA (1) CA1338198C (de)
DE (1) DE68911766T2 (de)
ES (1) ES2048286T3 (de)
MX (1) MX165450B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006300412A (ja) * 2005-04-20 2006-11-02 Daido Steel Co Ltd 灰の溶融処理方法
CN115889399B (zh) * 2022-11-26 2024-05-17 安徽华塑股份有限公司 一种电石渣回收利用设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE371455B (de) * 1973-03-26 1974-11-18 Norrbottens Jaernverk Ab
SE450898B (sv) * 1981-09-03 1987-08-10 Skf Steel Eng Ab Sett vid anvendning av en plasmagenerator for tillforsel av vermeenergi, samt anordning for genomforande av settet
US4530101A (en) * 1983-04-15 1985-07-16 Westinghouse Electric Corp. Electric arc fired cupola for remelting of metal chips
FR2573437B1 (fr) * 1984-11-21 1989-09-15 Siderurgie Fse Inst Rech Procede pour la conduite d'un haut fourneau, notamment d'un haut fourneau siderurgique
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
IT1191517B (it) * 1986-04-22 1988-03-23 Necchi Spa Procedimento per l'adduzione di elementi chimici metallici in fusioni metalliche
US4769065A (en) * 1987-05-08 1988-09-06 Electric Power Research Institute Control of a plasma fired cupola

Also Published As

Publication number Publication date
ES2048286T3 (es) 1994-03-16
US4853033A (en) 1989-08-01
DE68911766T2 (de) 1994-05-05
EP0349167A3 (en) 1990-05-16
CA1338198C (en) 1996-04-02
MX165450B (es) 1992-11-11
BR8903199A (pt) 1990-02-13
JPH0257643A (ja) 1990-02-27
EP0349167B1 (de) 1993-12-29
EP0349167A2 (de) 1990-01-03
JP2747524B2 (ja) 1998-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee