DE3238174C2 - - Google Patents
Info
- Publication number
- DE3238174C2 DE3238174C2 DE3238174A DE3238174A DE3238174C2 DE 3238174 C2 DE3238174 C2 DE 3238174C2 DE 3238174 A DE3238174 A DE 3238174A DE 3238174 A DE3238174 A DE 3238174A DE 3238174 C2 DE3238174 C2 DE 3238174C2
- Authority
- DE
- Germany
- Prior art keywords
- ferrochrome
- chromite
- ore
- refining
- slag
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
- C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
-
- 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
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C22B9/16—Remelting metals
- C22B9/22—Remelting metals with heating by wave energy or particle radiation
- C22B9/226—Remelting metals with heating by wave energy or particle radiation by electric discharge, e.g. plasma
-
- 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
- C21C5/5205—Manufacture of steel in electric furnaces in a plasma heated furnace
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Silicon Compounds (AREA)
- Manufacture Of Iron (AREA)
- Compounds Of Iron (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA817209 | 1981-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3238174A1 DE3238174A1 (de) | 1983-04-28 |
DE3238174C2 true DE3238174C2 (US08197722-20120612-C00042.png) | 1990-10-11 |
Family
ID=25575704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823238174 Granted DE3238174A1 (de) | 1981-10-19 | 1982-10-15 | Verfahren zur raffination von ferrochrom |
Country Status (22)
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1191517B (it) * | 1986-04-22 | 1988-03-23 | Necchi Spa | Procedimento per l'adduzione di elementi chimici metallici in fusioni metalliche |
WO1989007499A1 (en) * | 1988-02-09 | 1989-08-24 | The Broken Hill Proprietary Company Limited | Superheating and microalloying of molten metal by contact with a plasma arc |
DE102007016102A1 (de) * | 2007-04-03 | 2008-10-09 | Linde Ag | Vorrichtung und Verfahren zur Behandlung von Metallschmelzen |
RU2553118C1 (ru) * | 2013-12-13 | 2015-06-10 | Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" | Способ производства низкоуглеродистого феррохрома в электропечи |
US10508319B1 (en) * | 2019-06-27 | 2019-12-17 | MM Metals USA, LLC | Method and system for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US789093A (en) | 1903-07-13 | 1905-05-02 | Thomas E Hunt | Furnace. |
US1465576A (en) | 1922-09-29 | 1923-08-21 | Thomas G Biggs | Index tag |
US2845342A (en) | 1953-03-12 | 1958-07-29 | Strategic Udy Metallurg & Chem | Method of recovering ferrochromium |
GB789093A (en) * | 1954-06-16 | 1958-01-15 | Chromium Mining & Smelting Cor | Improvements in or relating to the production of low carbon ferrochromium |
US2776882A (en) * | 1955-12-19 | 1957-01-08 | Union Carbide & Carbon Corp | Decarburizing high-carbon ferrochromium |
US3615349A (en) * | 1968-01-10 | 1971-10-26 | William Bleloch | Production of alloys of iron |
JPS5414043B1 (US08197722-20120612-C00042.png) * | 1969-12-23 | 1979-06-04 | ||
JPS5038050B2 (US08197722-20120612-C00042.png) * | 1971-12-29 | 1975-12-06 | ||
JPS52150320A (en) * | 1976-06-10 | 1977-12-14 | Nippon Steel Corp | Production of low carbon ferrochromium |
-
1982
- 1982-10-12 AU AU89280/82A patent/AU534839B2/en not_active Expired
- 1982-10-13 CA CA000413310A patent/CA1199499A/en not_active Expired
- 1982-10-14 NO NO82823423A patent/NO156494C/no not_active IP Right Cessation
- 1982-10-14 GR GR69533A patent/GR76912B/el unknown
- 1982-10-15 ZW ZW220/82A patent/ZW22082A1/xx unknown
- 1982-10-15 FI FI823522A patent/FI70258C/fi not_active IP Right Cessation
- 1982-10-15 DE DE19823238174 patent/DE3238174A1/de active Granted
- 1982-10-18 ES ES516606A patent/ES8308933A1/es not_active Expired
- 1982-10-18 MX MX194819A patent/MX160059A/es unknown
- 1982-10-18 GB GB08229701A patent/GB2110717B/en not_active Expired
- 1982-10-18 SE SE8205893A patent/SE460908B/sv not_active IP Right Cessation
- 1982-10-18 YU YU02336/82A patent/YU233682A/xx unknown
- 1982-10-18 JP JP57183594A patent/JPS58136745A/ja active Pending
- 1982-10-18 WO PCT/GB1982/000293 patent/WO1983001462A1/en unknown
- 1982-10-18 BR BR8206065A patent/BR8206065A/pt not_active IP Right Cessation
- 1982-10-18 FR FR8217353A patent/FR2514785B1/fr not_active Expired
- 1982-10-18 US US06/434,752 patent/US4426223A/en not_active Expired - Lifetime
- 1982-10-19 AT AT0383982A patent/AT382641B/de not_active IP Right Cessation
- 1982-10-19 IT IT8223821A patent/IT1153269B/it active
- 1982-10-19 TR TR21724A patent/TR21724A/xx unknown
- 1982-12-31 IN IN946/DEL/82A patent/IN158808B/en unknown
-
1983
- 1983-06-16 RO RO83111308A patent/RO89015A/ro unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2738379A1 (de) | Verfahren zum raffinieren von eisen- und stahlschmelzen | |
WO1996034989A1 (de) | Verfahren zur herstellung von hydraulischen bindemitteln und/oder legierungen wie z.b. eisenchrom oder eisenvanadium | |
DE3306910C2 (de) | Herstellung von Ferrosilizium | |
DE3238174C2 (US08197722-20120612-C00042.png) | ||
DE3045180A1 (de) | Verfahren und vorrichtung zur herstellung von hochchromhaltigem stahl | |
DE69737623T2 (de) | Verfahren zum Behandeln von Flugstäuben aus Elektrostahlwerken | |
DE2443177A1 (de) | Metallurgisches verfahren zur direkten reduktion von metalloxyden zu metall | |
DE60108492T2 (de) | Herstellung einer ferrolegierung | |
DE2155589B2 (de) | Verfahren zur Herstellung von geschmolzenen Eisenlegierungen, die 5,0 bis 30,0 Gw.°/o Chrom und 0 bis 25,0 Gw.o/o Nickel enthalten | |
EP0041940B1 (de) | Verfahren zum Behandeln von metallischen Hütteneinsatzstoffen, insbesondere Eisenschwammteilchen | |
DE68902176T2 (de) | Verfahren zur schmelzreduktion im elektro-ofen. | |
DE1957199A1 (de) | Verfahren zur Herstellung von Stahl oder Eisen | |
US4971622A (en) | Sulphur and silicon control in ferrochromium production | |
DE2656725C2 (de) | Verfahren zum kontinuierlichen Erschmelzen von Ferrochrom | |
US3132024A (en) | Upgrading of oxidic columbiumtantalum materials | |
DE68910850T2 (de) | Verfahren zur Herstellung von chromhaltigem, flüssigem Eisen. | |
US4306905A (en) | Production of ferrochromium alloys | |
DE2847403A1 (de) | Verfahren zur herstellung von kohlenstoffarmem stahl aus vanadin- und/oder titanhaltigen eisenerzen | |
DD202185A5 (de) | Verfahren zur herstellung einer hauptsaechlich aus mangan und eisen bestehenden metallschmelze | |
DE3610248A1 (de) | Verfahren zur herstellung von ferrolegierungen | |
US2096318A (en) | Method of making chromium steel from chromium steel scrap | |
DE621794C (de) | Verfahren zur Herstellung kohlenstoffarmer Eisen-Chrom-Legierungen | |
EP4323309A1 (de) | Verfahren zum abtrennen von elementarem phosphor aus eisenoxid-haltigen und phosphat-haltigen stoffen | |
DE2211440C3 (de) | Verfahren zur Steuerung der als Verunreinigung in Ferrochrom mit hohem Kohlenstoffgehalt enthaltenen Siliziummenge | |
DE3727039A1 (de) | Verfahren zum stahlschmelzen unter einsatz von eisenschwamm |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: C22B 4/08 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |