KR840000651A - 조철(粗鐵)의 탈황과정 중에 형성된 CaO가 풍부한 광재의 철함량을 감소시키는 방법 - Google Patents

조철(粗鐵)의 탈황과정 중에 형성된 CaO가 풍부한 광재의 철함량을 감소시키는 방법 Download PDF

Info

Publication number
KR840000651A
KR840000651A KR1019820003294A KR820003294A KR840000651A KR 840000651 A KR840000651 A KR 840000651A KR 1019820003294 A KR1019820003294 A KR 1019820003294A KR 820003294 A KR820003294 A KR 820003294A KR 840000651 A KR840000651 A KR 840000651A
Authority
KR
South Korea
Prior art keywords
iron
cao
reducing
desulfurization
formed during
Prior art date
Application number
KR1019820003294A
Other languages
English (en)
Other versions
KR890002979B1 (ko
Inventor
함머(외2) 루돌프
Original Assignee
발터메이어-칼렌·칼-하인즈 발켄홀
티센 아크티엔 게젤 샤프트(구명칭 : 아우구스트 티센-휴테) 외 1
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 발터메이어-칼렌·칼-하인즈 발켄홀, 티센 아크티엔 게젤 샤프트(구명칭 : 아우구스트 티센-휴테) 외 1 filed Critical 발터메이어-칼렌·칼-하인즈 발켄홀
Publication of KR840000651A publication Critical patent/KR840000651A/ko
Application granted granted Critical
Publication of KR890002979B1 publication Critical patent/KR890002979B1/ko

Links

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

내용 없음

Description

조철(粗鐵)의 탈황과정 중에 형성된 CaO가 풍부한 광재의 철함량을 감소시키는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 미세하게 분쇄한 형석을 광재가 유동성이 되지 않을 정도의 양으로 레이들내의 용융물에 첨가시키는 것을 특징으로 하는, 조철의 탈황중에 형성된 CaO가 풍부한 광재의 철함량을 감소시키는 방법.
  2. 제 1 항에 있어서, 형석을 조철의 단위톤당 0.05 내지 1.5kg의 양으로 용융물에 첨가하는 방법.
  3. 제 1 항과 제 2 항에서 형석을 조철내에 취입하는 것을 특징으로 하는 방법.
  4. 제 1 항 내지 제 3 항에서, 형석을 용융물의 탈황전에 그 용융물에 첨가하는 것을 특징으로 하는 방법.
  5. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8203294A 1981-07-27 1982-07-23 선철의 탈황과정중에 형성된 CaO가 풍부한 슬래그의 철함향을 감소시키는 방법 KR890002979B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP105.910.4/81 1981-07-27
EP105,910.4/81 1981-07-27
EP19810105910 EP0070912B1 (de) 1981-07-27 1981-07-27 Verfahren zur Verminderung des Eisengehaltes von bei der Entschwefelung von Roheisen entstehenden CaO-reichen Schlacken

Publications (2)

Publication Number Publication Date
KR840000651A true KR840000651A (ko) 1984-02-25
KR890002979B1 KR890002979B1 (ko) 1989-08-16

Family

ID=8187835

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8203294A KR890002979B1 (ko) 1981-07-27 1982-07-23 선철의 탈황과정중에 형성된 CaO가 풍부한 슬래그의 철함향을 감소시키는 방법

Country Status (11)

Country Link
US (1) US4431444A (ko)
EP (1) EP0070912B1 (ko)
JP (1) JPS5867814A (ko)
KR (1) KR890002979B1 (ko)
AT (1) ATE11572T1 (ko)
AU (1) AU553026B2 (ko)
BR (1) BR8204349A (ko)
CA (1) CA1193441A (ko)
DE (1) DE3168626D1 (ko)
ES (1) ES8305421A1 (ko)
IN (1) IN156686B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
US4738715A (en) * 1987-01-02 1988-04-19 Hart Metals, Inc. Desulfurizing reagent for hot metal
DE4128499C2 (de) * 1991-08-28 1994-11-24 Thyssen Stahl Ag Verfahren zur Behandlung von Roheisenschmelzen zu deren Entschwefelung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750334C (de) * 1937-12-07 1945-01-05 Verfahren zur Aufarbeitung von bei der Sodaentschwefelung des Roheisens anfallenden Schlacken
BE669135A (ko) * 1965-09-02 1966-03-02
AT313333B (de) * 1970-02-20 1974-02-11 Voest Ag Verfahren zum Frischen von flüssigem Roheisen in einer Sprühfrischanlage sowie Sprühfrischanlage zur Durchführung des Verfahrens
US3820768A (en) * 1971-07-19 1974-06-28 Pennsylvania Engineering Corp Steel conversion method and apparatus
US3827880A (en) * 1971-12-07 1974-08-06 British Steel Corp Inclusion of hydroboracite in additive composition and use thereof in steel refining
JPS5832209B2 (ja) * 1976-04-15 1983-07-12 株式会社神戸製鋼所 改質転炉スラグおよび改質法

Also Published As

Publication number Publication date
AU553026B2 (en) 1986-07-03
JPS5867814A (ja) 1983-04-22
EP0070912A1 (de) 1983-02-09
ES513868A0 (es) 1983-04-16
AU8643782A (en) 1984-10-18
BR8204349A (pt) 1983-07-19
ES8305421A1 (es) 1983-04-16
DE3168626D1 (en) 1985-03-14
EP0070912B1 (de) 1985-01-30
JPS6364484B2 (ko) 1988-12-12
IN156686B (ko) 1985-10-12
US4431444A (en) 1984-02-14
ATE11572T1 (de) 1985-02-15
KR890002979B1 (ko) 1989-08-16
CA1193441A (en) 1985-09-17

Similar Documents

Publication Publication Date Title
SE7606535L (sv) Forfarande for framstellning av en stralsmelta for strenggjutningsforfarandet
ZA853556B (en) Fine granular desulfurizing agent for iron melts and process for desulfurizing pig-iron melts
KR950023732A (ko) 극미량의 탄소 및 황을 함유한 강철의 제조방법
SE8105969L (sv) Forfarande for fosfor-, svavel- och kveverening av kromhaltigt rajern
BR8206381A (pt) Processo de afinacao de um banho metalico e dispositivo para sua realizacao
KR840000651A (ko) 조철(粗鐵)의 탈황과정 중에 형성된 CaO가 풍부한 광재의 철함량을 감소시키는 방법
JPS5726116A (en) Desulfurization agent and desulfurizing of molten iron
GB1321096A (en) Apparatus and method for desulphurising iron
KR850700042A (ko) 강철의 개재물형상 조절방법
JPS57161016A (en) Refining method of low sulfur high chromium steel
KR970043107A (ko) 레이들 내의 슬래그 제거방법
AU570805B2 (en) Desulphurisation of molten iron
JPS5647511A (en) Refining steel
GB1362637A (en) Treating steel in the ladle
GB1397449A (en) Method of refining iron metls containing chromium
JPS57171609A (en) Desulfurization method for molten iron
JPS55125213A (en) Desulfurizing method of molten iron
Geanta et al. The Use of Calcium Alloys to Deoxidate Liquid Steel
KR860001196A (ko) 구상화 흑연주철의 제조방법
KR860009134A (ko) 용선의 탈인 및 탈황제
KR910006502A (ko) 용선의 탈황방법
ES541084A0 (es) Procedimiento de afinar una fundicion por el fondo
KR870004151A (ko) 석회계 용선탈린제
KR880012781A (ko) 알미늄 찌꺼기를 이용한 제철제강법
KR910006501A (ko) 철강 정련제 및 철강 정련 방법