ZA938066B - A method for blowing oxidizing gases into molten metal - Google Patents

A method for blowing oxidizing gases into molten metal

Info

Publication number
ZA938066B
ZA938066B ZA938066A ZA938066A ZA938066B ZA 938066 B ZA938066 B ZA 938066B ZA 938066 A ZA938066 A ZA 938066A ZA 938066 A ZA938066 A ZA 938066A ZA 938066 B ZA938066 B ZA 938066B
Authority
ZA
South Africa
Prior art keywords
molten metal
oxidizing gases
blowing oxidizing
blowing
gases
Prior art date
Application number
ZA938066A
Other languages
English (en)
Inventor
Klaus Klintworth
Rudolf Flesch
Harald Berger
Rainer Zechner
Manfred Redetzky
Johannes Steins
Original Assignee
Kct Tech Gmbh
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 Kct Tech Gmbh filed Critical Kct Tech Gmbh
Publication of ZA938066B publication Critical patent/ZA938066B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/072Treatment with gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/48Bottoms or tuyéres of converters
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/34Blowing through the bath
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/16Introducing a fluid jet or current into the charge
    • F27D2003/162Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
ZA938066A 1992-11-19 1993-10-28 A method for blowing oxidizing gases into molten metal ZA938066B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4238970A DE4238970C1 (de) 1992-11-19 1992-11-19 Verfahren zum Einblasen oxidierender Gase in Metallschmelzen

Publications (1)

Publication Number Publication Date
ZA938066B true ZA938066B (en) 1994-06-07

Family

ID=6473224

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA938066A ZA938066B (en) 1992-11-19 1993-10-28 A method for blowing oxidizing gases into molten metal

Country Status (10)

Country Link
US (1) US5423900A (xx)
EP (1) EP0598221A1 (xx)
JP (1) JPH07300608A (xx)
KR (1) KR940011646A (xx)
CN (1) CN1035629C (xx)
AU (1) AU660566B2 (xx)
CA (1) CA2103266A1 (xx)
DE (1) DE4238970C1 (xx)
RU (1) RU2108398C1 (xx)
ZA (1) ZA938066B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59705663D1 (de) * 1996-09-17 2002-01-17 Holcim Ltd Verfahren zum aufarbeiten von verbrennungsrückständen
DE102010015098B4 (de) * 2010-04-15 2014-05-15 Techcom Gmbh Vorrichtung zur Einleitung von Gasen in heisse flüssige Medien
DE102012016143A1 (de) * 2012-08-08 2014-02-13 Saarstahl Ag Heißwindlanze
US10155998B2 (en) 2013-08-12 2018-12-18 Astec Irie Co., Ltd. Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333654A (en) * 1938-01-17 1943-11-09 Lellep Otto Method of and apparatus for making steel
US2855293A (en) * 1955-03-21 1958-10-07 Air Liquide Method and apparatus for treating molten metal with oxygen
FR1450718A (fr) * 1965-07-12 1966-06-24 Air Liquide Perfectionnements à des procédés métallurgiques
DE1583968B1 (de) * 1968-02-24 1971-11-11 Maximilianshuette Eisenwerk Verfahren zum Frischen von Roheisen
DE2838983C3 (de) * 1978-09-07 1986-03-27 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Erzeugung von Stahl im Konverter
JPS5837110A (ja) * 1981-08-27 1983-03-04 Nippon Kokan Kk <Nkk> 転炉精錬法
JPS5891112A (ja) * 1981-11-24 1983-05-31 Nippon Steel Corp 転炉底吹用ノズル
DE3403490C2 (de) * 1984-02-02 1986-10-02 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zum Einbau eines Konverterbodens
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
JPH0660343B2 (ja) * 1987-12-07 1994-08-10 川崎製鉄株式会社 精錬容器における底吹き羽口の保護方法
JPH0445564A (ja) * 1990-06-13 1992-02-14 Hitachi Ltd 半導体パッケージ

Also Published As

Publication number Publication date
DE4238970C1 (de) 1994-04-21
CN1035629C (zh) 1997-08-13
JPH07300608A (ja) 1995-11-14
RU2108398C1 (ru) 1998-04-10
CN1087682A (zh) 1994-06-08
AU660566B2 (en) 1995-06-29
CA2103266A1 (en) 1995-08-01
EP0598221A1 (de) 1994-05-25
AU5035993A (en) 1994-06-02
US5423900A (en) 1995-06-13
KR940011646A (ko) 1994-06-21

Similar Documents

Publication Publication Date Title
EP0522844A3 (en) Method for granulating molten metal
ZA929689B (en) A method of producing metal melts and an electric arc furnace therefor.
AU567023B2 (en) Bottom blown gas blowing nozzle for maltev metal refining furnace and steel refining method using the same
GB2265897B (en) Bricks containing electric arc furnace dust,and method for producing same
AU542613B2 (en) Blowing high-oxygen gases into a molten bath
AU1513992A (en) Converter and method for top blowing nonferrous metal
GB8626131D0 (en) Introducing gas into molten metal
GB8710921D0 (en) Introducing gas into molten metal
EP0711215A4 (en) METHOD FOR CASTING A METAL PART
GB2267855B (en) Purifying molten metal
GB9221086D0 (en) A remelting furnace
GB8506608D0 (en) Blow lance for treating molten metal
ZA938066B (en) A method for blowing oxidizing gases into molten metal
GB2281312B (en) Process for decarburizing carbon-containing molten metal
EP0776983A4 (en) NOZZLE FOR INJECTING GAS INTO FUSED METAL AND USE THEREOF
DE3560460D1 (en) Liquid-cooled lance for blowing oxygen onto a steel bath and method of operating the lance
GB2294209B (en) Method for treating a molten metal with a gas
GB2171187B (en) Sleeve for blowing solid material into a molten metal
GB2265152B (en) A method for improving quality of reforming gas used in the direct reduction of metal oxides
AU4988890A (en) Injecting gas into molten metal
ZA931331B (en) Molten metal handling vessels
GB8514470D0 (en) Introducing gas into molten metal
GB2271560B (en) Method for reducing the harmful-substance content of flue gases in a furnace unit
GB9409145D0 (en) Introducing gases into molten metals
GB8526032D0 (en) Introducing gas into molten metal