CA1137759A - Desulfurizing agent for injection - Google Patents

Desulfurizing agent for injection

Info

Publication number
CA1137759A
CA1137759A CA000345218A CA345218A CA1137759A CA 1137759 A CA1137759 A CA 1137759A CA 000345218 A CA000345218 A CA 000345218A CA 345218 A CA345218 A CA 345218A CA 1137759 A CA1137759 A CA 1137759A
Authority
CA
Canada
Prior art keywords
lime
desulfurizing agent
desulfurization
fluoride
desulfurizing
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
Application number
CA000345218A
Other languages
English (en)
French (fr)
Inventor
Osamu Haida
Sumio Yamada
Fumio Sudo
Toshihiko Emi
Hiraku Sonoda
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of CA1137759A publication Critical patent/CA1137759A/en
Expired legal-status Critical Current

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
    • C21C1/025—Agents used for dephosphorising or desulfurising
    • 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
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • 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
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CA000345218A 1979-02-15 1980-02-07 Desulfurizing agent for injection Expired CA1137759A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1650979A JPS55110712A (en) 1979-02-15 1979-02-15 Desulfurizing agent for blowing-in
JP16,509/79 1979-02-15

Publications (1)

Publication Number Publication Date
CA1137759A true CA1137759A (en) 1982-12-21

Family

ID=11918231

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345218A Expired CA1137759A (en) 1979-02-15 1980-02-07 Desulfurizing agent for injection

Country Status (10)

Country Link
US (1) US4263043A (US08080257-20111220-C00005.png)
JP (1) JPS55110712A (US08080257-20111220-C00005.png)
AU (1) AU514537B2 (US08080257-20111220-C00005.png)
BR (1) BR8000934A (US08080257-20111220-C00005.png)
CA (1) CA1137759A (US08080257-20111220-C00005.png)
DE (1) DE3004973C2 (US08080257-20111220-C00005.png)
FR (1) FR2449128A1 (US08080257-20111220-C00005.png)
GB (1) GB2048308B (US08080257-20111220-C00005.png)
IT (1) IT1140591B (US08080257-20111220-C00005.png)
SE (1) SE8001147L (US08080257-20111220-C00005.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158827A (en) * 1980-05-10 1981-12-07 Nippon Carbide Ind Co Ltd Powdered composition for desulfurizing agent
JPS5770219A (en) * 1980-10-21 1982-04-30 Nisshin Steel Co Ltd Method for dephosphorizing, desulfurizing and denitrifying iron alloy
JPS57170823A (en) * 1981-04-09 1982-10-21 Nippon Carbide Ind Co Ltd Fluidized roasting method and apparatus
US4572737A (en) * 1984-06-27 1986-02-25 The Boc Group, Inc. Agents for the removal of impurities from a molten metal and a process for producing same
EP0166019B1 (de) * 1984-06-28 1988-10-12 Thyssen Stahl Aktiengesellschaft Verfahren zur Entschwefelung von Roheisen
KR880001380B1 (ko) * 1984-12-26 1988-07-29 포항종합제철 주식회사 취입용 탈황제
IT1184686B (it) * 1985-08-02 1987-10-28 Pasquale Tommaso De Miscela desolforante per il trattamento della ghisa
DE3535280A1 (de) * 1985-10-03 1987-04-09 Hoechst Ag Entschwefelungsgemisch fuer metallschmelzen, ein verfahren zu seiner herstellung und seine verwendung
JP2578276B2 (ja) * 1991-08-28 1997-02-05 鹿島建設株式会社 クライミング式タワークレーンの電源ケーブル布設装置
US20050056120A1 (en) * 2003-09-15 2005-03-17 Flores-Morales Jose Ignacio Desulphurization of ferrous materials using sodium silicate
US20050066772A1 (en) * 2003-09-26 2005-03-31 Flores-Morales Jose Ignacio Desulphurization of ferrous materials using glass cullet
WO2007092006A1 (en) * 2006-02-09 2007-08-16 Wolfe, Larry D. Conditioned quicklime for injection to a molten bath of a steel-making vessel
BRPI1011388A2 (pt) * 2009-04-17 2016-03-15 Nippon Steel Corp método de transporte de pó
EP3042965A1 (en) * 2015-01-09 2016-07-13 S.A. Lhoist Recherche Et Developpement Process for dephosphorization of molten metal during a refining process
JP6737161B2 (ja) * 2016-12-12 2020-08-05 日本製鉄株式会社 気流搬送方法及び製鋼の精錬方法
JP2022550951A (ja) * 2019-09-30 2022-12-06 ジャミポル・リミテッド Ｋｒ（ｋａｎｂａｒａ ｒｅａｃｔｏｒ）法における溶銑脱硫

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB787098A (en) * 1954-09-30 1957-12-04 Rheinische Kalksteinwerke An improved method for the introduction of fine substances into baths of molten steel
FR1166389A (fr) * 1956-02-23 1958-11-05 Procédé de désulfuration de la fonte et de l'acier et produits conformes à ceux obtenus par ledit procédé
FR1194778A (fr) * 1957-04-22 1959-11-12 Union Carbide Corp Carbure de calcium traité à l'huile pour la désulfuration du fer
DE1583268B1 (de) * 1967-12-29 1971-08-05 Konink Nl Hoogovens En Staalfa Mittel zur Entschwefelung von fluessigem Eisen auf der Basis von technischem Kalkstickstoff und Verfahren zur Entschwefelung von Eisen
DE1758250B1 (de) * 1968-04-29 1971-10-28 Sueddeutsche Kalkstickstoff Mittel zum Entschwefeln von Eisenschmelzen
NL7102540A (US08080257-20111220-C00005.png) * 1971-02-25 1972-08-29 Koninklijke Hoogovens En Staal
LU65436A1 (US08080257-20111220-C00005.png) * 1971-06-07 1972-08-24
LU63607A1 (US08080257-20111220-C00005.png) * 1971-07-26 1973-02-05
DE2252795C3 (de) * 1972-10-27 1982-09-09 Skw Trostberg Ag, 8223 Trostberg Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen
DE2301987A1 (de) * 1973-01-16 1974-07-25 Polysius Ag Verfahren zum entschwefeln von fluessigem roheisen
DE2326539C3 (de) * 1973-05-24 1975-11-13 Sueddeutsche Kalkstickstoff-Werke Ag, 8223 Trostberg Verfahren zur Herstellung eines Entschwefelungsgemisches für Eisenschmelzen aus Calciumcarbid und mindestens einem wasserhaltigen Stoff
DE2337957A1 (de) * 1973-07-26 1975-02-06 Polysius Ag Verfahren zum entschwefeln von fluessigem roheisen
US4014685A (en) * 1973-11-27 1977-03-29 Foseco International Limited Manufacture of steel
CH573276A5 (US08080257-20111220-C00005.png) * 1974-01-29 1976-03-15 Concast Ag
JPS5412083B2 (US08080257-20111220-C00005.png) * 1974-02-23 1979-05-19
US3998625A (en) * 1975-11-12 1976-12-21 Jones & Laughlin Steel Corporation Desulfurization method
BE852929A (fr) * 1977-03-25 1977-07-18 Centre Rech Metallurgique Procede de desulfuration de la fonte

Also Published As

Publication number Publication date
GB2048308A (en) 1980-12-10
JPS55110712A (en) 1980-08-26
FR2449128A1 (fr) 1980-09-12
JPS5715167B2 (US08080257-20111220-C00005.png) 1982-03-29
DE3004973C2 (de) 1987-10-01
BR8000934A (pt) 1980-10-29
IT8019906A0 (it) 1980-02-14
AU514537B2 (en) 1981-02-12
GB2048308B (en) 1983-05-25
IT1140591B (it) 1986-10-01
DE3004973A1 (de) 1980-08-21
US4263043A (en) 1981-04-21
SE8001147L (sv) 1980-08-16
AU5522680A (en) 1980-09-25
FR2449128B1 (US08080257-20111220-C00005.png) 1984-03-16

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Legal Events

Date Code Title Description
MKEX Expiry