KR940011646A - 용융금속내로 산화기체를 송풍하는 방법 - Google Patents

용융금속내로 산화기체를 송풍하는 방법 Download PDF

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Publication number
KR940011646A
KR940011646A KR1019930024212A KR930024212A KR940011646A KR 940011646 A KR940011646 A KR 940011646A KR 1019930024212 A KR1019930024212 A KR 1019930024212A KR 930024212 A KR930024212 A KR 930024212A KR 940011646 A KR940011646 A KR 940011646A
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KR
South Korea
Prior art keywords
oxidizing gas
molten metal
blower
bar
oxygen
Prior art date
Application number
KR1019930024212A
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English (en)
Inventor
클린트보르쓰 클라우스
쩨히너 라이너
플레쉬 루돌프
레뎃츠키 만프레드
베르거 하랄드
슈타인스 요하네스
Original Assignee
유르겐 바흐
카체테 테히놀로기 게엠베하
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 유르겐 바흐, 카체테 테히놀로기 게엠베하 filed Critical 유르겐 바흐
Publication of KR940011646A publication Critical patent/KR940011646A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing 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)

Abstract

본 발명은 금속배스 표면 아래에 송풍기를 갖는 반응 용기내의 용융금속 내부로 산화가스를 송풍시킴으로써, 이 산화가스를 이들 송풍기를 통해 용융금속내로 송풍시키고 85 바 내지 170바의 유입 압력으로 주입시키는 방법에 관한 것이다.

Description

용융금속내로 산화기체를 송풍하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 산화가스를 송풍기(tuyere)로부터 용융금속내로 송풍시키고 85 바 내지 170바의 유입 압력으로 송풍기에 주입시킴을 특징으로 하여, 금속 배스표면 아래에 송풍기를 갖는 반응용기에 위치한 용융금속 내부로 산화가스를 송풍시키는 방법.
  2. 제1항에 있어서, 산화가스가 산소임을 특징으로 하는 방법.
  3. 제1항 또는 제2항에 있어서, 유입 압력이 90바 내지 120바임을 특징으로 하는 방법.
  4. 제1항 내지 제3항중 어느 하나에 있어서, 산소를 -5℃ 내지 50℃온도에서 송풍기에 주입시킴을 특징으로 하는 방법.
  5. 제4항에 있어서, 온도가 10℃ 내지 30℃임을 특징으로 하는 방법.
  6. 제1항 내지 제5항중 어느 하나에 있어서, 산소를 120g/dm3내지 240g/dm3의 밀도로 송풍기에 주입시킴을 특징으로 하는 방법.
  7. 제6항에 있어서, 밀도가 150g/dm3내지 170g/dm3임을 특징으로 하는 방법.
  8. 제1항 내지 제7항중 어느 하나에 있어서, 산소 송풍기의 자유 단면이 유입면으로부터 송풍기 선단을 통해 가늘어지도록 고안됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930024212A 1992-11-19 1993-11-15 용융금속내로 산화기체를 송풍하는 방법 KR940011646A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238970A DE4238970C1 (de) 1992-11-19 1992-11-19 Verfahren zum Einblasen oxidierender Gase in Metallschmelzen
DEP4238970.4 1992-11-19

Publications (1)

Publication Number Publication Date
KR940011646A true KR940011646A (ko) 1994-06-21

Family

ID=6473224

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930024212A KR940011646A (ko) 1992-11-19 1993-11-15 용융금속내로 산화기체를 송풍하는 방법

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012359A1 (de) * 1996-09-17 1998-03-26 'holderbank' Financiere Glarus Ag 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
US5423900A (en) 1995-06-13
CA2103266A1 (en) 1995-08-01
CN1035629C (zh) 1997-08-13
RU2108398C1 (ru) 1998-04-10
JPH07300608A (ja) 1995-11-14
EP0598221A1 (de) 1994-05-25
AU5035993A (en) 1994-06-02
CN1087682A (zh) 1994-06-08
DE4238970C1 (de) 1994-04-21
ZA938066B (en) 1994-06-07
AU660566B2 (en) 1995-06-29

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