KR890006833A - 강의 연속용해공정 - Google Patents

강의 연속용해공정 Download PDF

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Publication number
KR890006833A
KR890006833A KR1019880013341A KR880013341A KR890006833A KR 890006833 A KR890006833 A KR 890006833A KR 1019880013341 A KR1019880013341 A KR 1019880013341A KR 880013341 A KR880013341 A KR 880013341A KR 890006833 A KR890006833 A KR 890006833A
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KR
South Korea
Prior art keywords
cao
slag
steel
continuous melting
feo
Prior art date
Application number
KR1019880013341A
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English (en)
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KR920004674B1 (ko
Inventor
폰 보크단디 루드비히
게르하르미터
쾰러 오토
포흐마르스키 루치안
야케마르 크리스챤
랑하머 한스-위르겐
Original Assignee
게르하르트 미터, 프란츠 쉬트루출
뵈스트-알핀 쉬탈 도나비츠 게젤샤프트 엠.베.하
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
Priority claimed from AT0270987A external-priority patent/AT389897B/de
Priority claimed from AT0324787A external-priority patent/AT389898B/de
Application filed by 게르하르트 미터, 프란츠 쉬트루출, 뵈스트-알핀 쉬탈 도나비츠 게젤샤프트 엠.베.하 filed Critical 게르하르트 미터, 프란츠 쉬트루출
Publication of KR890006833A publication Critical patent/KR890006833A/ko
Application granted granted Critical
Publication of KR920004674B1 publication Critical patent/KR920004674B1/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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

내용 없음

Description

강의 연속용해공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 선철 및/또는 스크랩과 같은 적어도 크게 예비환원될 철담체로부터 강을 연속용해하며, 차후 금속야금단계를 행하기 위하여 용융물이 레들에 주입되는 공정에 있어서, 금속야금슬래그가 플럭스를 첨가함으로써 20-77.2% FeO, 바람직하게는 25.7-50%FeO 10-30%SiO2.2-15% Al2O3, 5-20%MgO, 0.13-6.45%MnO, 바람직하게는 0.5-5% MnO,1-10%CaO. 0.1-5%Cr2O3,P+S 미량로 조절됨을 특징으로 하는 강의 연속용해공정.
  2. 제1항에 있어서, 용융물을 레들에 주입할때 Si,Al과 같은 발열반응첨가물 또는 발열반응합금이 용융물에 첨가됨을 특징으로 하는 강의 연속용해공정.
  3. 제1 또는 2항에 있어서, 감람암 또는 휘석과 같은, FeO-MgO-SiO2계로부터 선택된 화합물이 플럭스로서 첨가됨을 특징으로 하는 강의 연속용해공정.
  4. 제1,2또는 3항에 있어서, 포르스테라이트, Mg-오써실리케이트, 또는 Fe-오써 실리케이트가 슬레그 조성물을 조절하기위하여 플럭스로서 사용됨을 특징으로하는 강의 연속용해공정.
  5. 제1내지 4항중 어느 한 항에 있어서, 용융물이 10 내지 30℃의 과열도로 주입되며 레들내에서의 응고가 발열반응첨가물을 첨가함으로써 억제됨을 특징으로 하는 강의 연속용해공정.
  6. 제1 내지 5항중 어느 한 항에 있어서, CaO의 주입단계 이전이나, 주입단계동안에 주입됨을 특징으로 하는 강의 연속용해공정.
  7. 제6항에 있어서, CaO와 Si이 대략 4 대 1의 질량비로 사용됨을 특징으로 하는 강의 연속용해공정.
  8. 제1내지 7항중 어느 항에 있어서, 슬래그가 54% FeO, 20%SiO2. 7% Al2O3, 8%MgO, 3.9%MnO, 4%CaO, 0.8% CaO, 0.8%Cr2O3,S+P 미량의 조성으로 조절됨을 특징으로 하는 강의 연속용해공정.
  9. 제1내지 7항중 어느 항에 있어서, 슬래그가 40% FeO, 20%SiO2. 7% Al2O3, 8%MgO, 3.9%MnO, 4%CaO, 0.8% CaO, 0.8%Cr2O3,S+P 미량의 조성으로 조절됨을 특징으로 하는 강의 연속용해공정.
  10. 제1내지 9항중 어느항에 있어서, 0.15% 내지 0.40% Si의 함량이 FeSi을 사용함으로써 강용융물 내에서 조절됨을 특징으로 하는 강의 연속용해공정.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880013341A 1987-10-13 1988-10-13 강의 연속용해공정 KR920004674B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
ATA2709 1987-10-13
AT0270987A AT389897B (de) 1987-10-13 1987-10-13 Verfahren zum kontinuierlichen schmelzen von stahl
DEA2709/87 1987-10-13
DEA3247/87 1987-12-10
AT0324787A AT389898B (de) 1987-12-10 1987-12-10 Verfahren zum kontinuierlichen schmelzen von stahl
ATA3247 1987-12-10

Publications (2)

Publication Number Publication Date
KR890006833A true KR890006833A (ko) 1989-06-16
KR920004674B1 KR920004674B1 (ko) 1992-06-13

Family

ID=25598958

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880013341A KR920004674B1 (ko) 1987-10-13 1988-10-13 강의 연속용해공정

Country Status (13)

Country Link
US (1) US4957547A (ko)
EP (1) EP0313547B1 (ko)
JP (1) JPH01136924A (ko)
KR (1) KR920004674B1 (ko)
CN (1) CN1011981B (ko)
BR (1) BR8805254A (ko)
CA (1) CA1310836C (ko)
DE (1) DE3877320D1 (ko)
ES (1) ES2038342T3 (ko)
GR (1) GR3007500T3 (ko)
MX (1) MX168916B (ko)
RU (1) RU2059731C1 (ko)
UA (1) UA11042A (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE135054T1 (de) * 1990-07-26 1996-03-15 Seirlehner Leopold Dipl Ing Verfahren zum erschmelzen von stahl sowie einrichtung zur durchführung dieses verfahrens
EP0938591B1 (de) 1997-09-15 2007-11-07 Holcim Ltd. Verfahren zum aufarbeiten von stahlschlacken und eisenträgern zur gewinnung von roheisen und umweltverträglichen schlacken
CN101696460B (zh) * 2009-05-25 2010-12-29 莱芜钢铁集团有限公司 一种含铁物料转底炉双联连续炼钢工艺方法及装置
US8562713B2 (en) * 2011-05-27 2013-10-22 A. Finkl & Sons Co. Flexible minimum energy utilization electric arc furnace system and processes for making steel products
CN102382928A (zh) * 2011-07-08 2012-03-21 南阳汉冶特钢有限公司 一种提高转炉冶炼前期熔渣流动性的方法
CN102876833A (zh) * 2012-06-28 2013-01-16 辽宁天和科技股份有限公司 一种炼钢造渣用速熔镁质复合材料及其制备方法
CN104928557A (zh) * 2015-05-28 2015-09-23 含山县兴达球墨铸铁厂 一种强化钢的制备方法
CN105648149A (zh) * 2016-02-26 2016-06-08 铜陵安东铸钢有限责任公司 一种钢水精炼造渣剂及其生产工艺
EP3901289A1 (en) * 2020-04-24 2021-10-27 Orbix Solutions Method for producing a mainly crystalline solidified steel slag
CN111979473B (zh) * 2020-07-14 2022-03-18 河南豫中新材料有限公司 一种高纯磷铁的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546936A (en) * 1949-06-02 1951-03-27 Ohio Ferro Alloys Corporated Treatment of slags
US3396010A (en) * 1965-09-16 1968-08-06 Northwest Olivine Company Slag conditioner
DE2326174C2 (de) * 1973-05-23 1979-03-29 Kloeckner-Werke Ag, 4100 Duisburg Einschränkung der Oxydation des Einsatzes beim Einschmelzen von Schrott o.dgl
DE2710377C2 (de) * 1977-03-10 1979-04-19 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl aus Metallschwamm unter Verwendung von Glasplasmen als Energieträger
US4557758A (en) * 1982-12-16 1985-12-10 Mizin Vladimir G Steelmaking process
AT382639B (de) * 1985-04-26 1987-03-25 Voest Alpine Ag Verfahren zur herstellung von stahl aus eisenschwamm sowie anlage zur durchfuehrung des verfahrens
US4695318A (en) * 1986-10-14 1987-09-22 Allegheny Ludlum Corporation Method of making steel
ES2038790T3 (es) * 1987-08-21 1993-08-01 Voest-Alpine Stahl Donawitz Gmbh (Hrb Nr. 502) Procedimiento para la fusion de chatarra, esponja de hierro y/o hierro bruto solido o similares.

Also Published As

Publication number Publication date
UA11042A (uk) 1996-12-25
JPH01136924A (ja) 1989-05-30
JPH0480093B2 (ko) 1992-12-17
EP0313547A1 (de) 1989-04-26
ES2038342T3 (es) 1993-07-16
KR920004674B1 (ko) 1992-06-13
EP0313547B1 (de) 1993-01-07
DE3877320D1 (de) 1993-02-18
CN1032553A (zh) 1989-04-26
GR3007500T3 (ko) 1993-07-30
MX168916B (es) 1993-06-14
CN1011981B (zh) 1991-03-13
CA1310836C (en) 1992-12-01
US4957547A (en) 1990-09-18
RU2059731C1 (ru) 1996-05-10
BR8805254A (pt) 1989-05-30

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