FR2449128A1 - Agent a base de chaux pour la desulfuration par injection des metaux - Google Patents
Agent a base de chaux pour la desulfuration par injection des metauxInfo
- Publication number
- FR2449128A1 FR2449128A1 FR8003293A FR8003293A FR2449128A1 FR 2449128 A1 FR2449128 A1 FR 2449128A1 FR 8003293 A FR8003293 A FR 8003293A FR 8003293 A FR8003293 A FR 8003293A FR 2449128 A1 FR2449128 A1 FR 2449128A1
- Authority
- FR
- France
- Prior art keywords
- weight
- lime
- alkali
- metal injection
- based agent
- 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.)
- Granted
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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treating Waste Gases (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
UN AGENT POUR LA DESULFURATION PAR INJECTION DES METAUX EST CONSTITUE PRINCIPALEMENT DE POUDRE DE CHAUX DONT LES PARTICULES ONT UN DIAMETRE TEL QU'AU MOINS 50 EN POIDS DES POUDRES DE CHAUX PASSENT AU TAMIS DE 100MM D'OUVERTURE DE MAILLE ET CONTENANT 0,015 A 1,0 EN POIDS D'HUILE DE SILICONE TENSIO-ACTIVE, 10 A 40 EN POIDS DE CARBONATE OU D'HYDROXYDE DE METAL ALCALINO-TERREUX, ET 2 A 20 EN POIDS DE CARBONE; L'AGENT DE DESULFURATION PEUT DE PLUS, CONTENIR 2 A 10 EN POIDS D'AU MOINS UN FLUORURE CHOISI PARMI UN FLUORURE DE METAL ALCALIN, UN FLUORURE DE METAL ALCALINO-TERREUX, LA CRYOLITHE ET LE SILICOFLUORURE DE SODIUM.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1650979A JPS55110712A (en) | 1979-02-15 | 1979-02-15 | Desulfurizing agent for blowing-in |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2449128A1 true FR2449128A1 (fr) | 1980-09-12 |
FR2449128B1 FR2449128B1 (fr) | 1984-03-16 |
Family
ID=11918231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8003293A Granted FR2449128A1 (fr) | 1979-02-15 | 1980-02-14 | Agent a base de chaux pour la desulfuration par injection des metaux |
Country Status (10)
Country | Link |
---|---|
US (1) | US4263043A (fr) |
JP (1) | JPS55110712A (fr) |
AU (1) | AU514537B2 (fr) |
BR (1) | BR8000934A (fr) |
CA (1) | CA1137759A (fr) |
DE (1) | DE3004973C2 (fr) |
FR (1) | FR2449128A1 (fr) |
GB (1) | GB2048308B (fr) |
IT (1) | IT1140591B (fr) |
SE (1) | SE8001147L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0170407A1 (fr) * | 1984-06-27 | 1986-02-05 | The BOC Group, Inc. | Agents pour l'élimination d'impuretés d'un métal liquide et procédé pour leur fabrication |
Families Citing this family (15)
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 |
ATE37902T1 (de) * | 1984-06-28 | 1988-10-15 | Thyssen Stahl Ag | 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 |
US20090013827A1 (en) * | 2006-02-09 | 2009-01-15 | Wolfe Larry D | Conditioned Quicklime for Injection to a Molten Bath of a Steel-Making Vessel |
CN102395690A (zh) * | 2009-04-17 | 2012-03-28 | 新日本制铁株式会社 | 粉体输送方法 |
EP3042965A1 (fr) * | 2015-01-09 | 2016-07-13 | S.A. Lhoist Recherche Et Developpement | Procédé de déphosphorisation de métal fondu pendant un processus de raffinage |
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 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
LU65436A1 (fr) * | 1971-06-07 | 1972-08-24 | ||
DE2301987A1 (de) * | 1973-01-16 | 1974-07-25 | Polysius Ag | Verfahren zum entschwefeln von fluessigem roheisen |
FR2230743A1 (fr) * | 1973-05-24 | 1974-12-20 | Sueddeutsche Kalkstickstoff | |
DE2337957A1 (de) * | 1973-07-26 | 1975-02-06 | Polysius Ag | Verfahren zum entschwefeln von fluessigem roheisen |
BE852929A (fr) * | 1977-03-25 | 1977-07-18 | Centre Rech Metallurgique | Procede de desulfuration de la fonte |
Family Cites Families (10)
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 |
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 (fr) * | 1971-02-25 | 1972-08-29 | Koninklijke Hoogovens En Staal | |
LU63607A1 (fr) * | 1971-07-26 | 1973-02-05 | ||
DE2252795C3 (de) * | 1972-10-27 | 1982-09-09 | Skw Trostberg Ag, 8223 Trostberg | Entschwefelungsmittel für Roheisen- und Ferrolegierungsschmelzen |
US4014685A (en) * | 1973-11-27 | 1977-03-29 | Foseco International Limited | Manufacture of steel |
CH573276A5 (fr) * | 1974-01-29 | 1976-03-15 | Concast Ag | |
JPS5412083B2 (fr) * | 1974-02-23 | 1979-05-19 | ||
US3998625A (en) * | 1975-11-12 | 1976-12-21 | Jones & Laughlin Steel Corporation | Desulfurization method |
-
1979
- 1979-02-15 JP JP1650979A patent/JPS55110712A/ja active Granted
-
1980
- 1980-02-05 AU AU55226/80A patent/AU514537B2/en not_active Expired
- 1980-02-06 US US06/119,124 patent/US4263043A/en not_active Expired - Lifetime
- 1980-02-07 CA CA000345218A patent/CA1137759A/fr not_active Expired
- 1980-02-07 GB GB8004118A patent/GB2048308B/en not_active Expired
- 1980-02-11 DE DE3004973A patent/DE3004973C2/de not_active Expired
- 1980-02-14 FR FR8003293A patent/FR2449128A1/fr active Granted
- 1980-02-14 SE SE8001147A patent/SE8001147L/ not_active Application Discontinuation
- 1980-02-14 BR BR8000934A patent/BR8000934A/pt not_active IP Right Cessation
- 1980-02-14 IT IT19906/80A patent/IT1140591B/it active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
LU65436A1 (fr) * | 1971-06-07 | 1972-08-24 | ||
DE2301987A1 (de) * | 1973-01-16 | 1974-07-25 | Polysius Ag | Verfahren zum entschwefeln von fluessigem roheisen |
FR2230743A1 (fr) * | 1973-05-24 | 1974-12-20 | Sueddeutsche Kalkstickstoff | |
DE2337957A1 (de) * | 1973-07-26 | 1975-02-06 | Polysius Ag | Verfahren zum entschwefeln von fluessigem roheisen |
BE852929A (fr) * | 1977-03-25 | 1977-07-18 | Centre Rech Metallurgique | Procede de desulfuration de la fonte |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0170407A1 (fr) * | 1984-06-27 | 1986-02-05 | The BOC Group, Inc. | Agents pour l'élimination d'impuretés d'un métal liquide et procédé pour leur fabrication |
Also Published As
Publication number | Publication date |
---|---|
GB2048308A (en) | 1980-12-10 |
SE8001147L (sv) | 1980-08-16 |
JPS55110712A (en) | 1980-08-26 |
CA1137759A (fr) | 1982-12-21 |
JPS5715167B2 (fr) | 1982-03-29 |
GB2048308B (en) | 1983-05-25 |
DE3004973A1 (de) | 1980-08-21 |
AU514537B2 (en) | 1981-02-12 |
IT8019906A0 (it) | 1980-02-14 |
DE3004973C2 (de) | 1987-10-01 |
IT1140591B (it) | 1986-10-01 |
AU5522680A (en) | 1980-09-25 |
BR8000934A (pt) | 1980-10-29 |
US4263043A (en) | 1981-04-21 |
FR2449128B1 (fr) | 1984-03-16 |
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