DE3238365A1 - Verfahren zur herstellung oder behandlung von ferrochrom - Google Patents
Verfahren zur herstellung oder behandlung von ferrochromInfo
- Publication number
- DE3238365A1 DE3238365A1 DE19823238365 DE3238365A DE3238365A1 DE 3238365 A1 DE3238365 A1 DE 3238365A1 DE 19823238365 DE19823238365 DE 19823238365 DE 3238365 A DE3238365 A DE 3238365A DE 3238365 A1 DE3238365 A1 DE 3238365A1
- Authority
- DE
- Germany
- Prior art keywords
- slag
- furnace
- ferrochrome
- feed material
- reaction zone
- 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
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
- C21B13/125—By using plasma
-
- 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
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
- Hard Magnetic Materials (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Semiconductor Lasers (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Drying Of Semiconductors (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA817210 | 1981-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3238365A1 true DE3238365A1 (de) | 1983-05-26 |
| DE3238365C2 DE3238365C2 (US08197722-20120612-C00042.png) | 1987-04-02 |
Family
ID=25575705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823238365 Granted DE3238365A1 (de) | 1981-10-19 | 1982-10-16 | Verfahren zur herstellung oder behandlung von ferrochrom |
Country Status (22)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791616B2 (ja) * | 1987-05-12 | 1995-10-04 | 日新製鋼株式会社 | 半還元クロムペレットを用いたステンレス鋼の溶製方法 |
| US5342589A (en) * | 1992-09-22 | 1994-08-30 | Minnesota Mining And Manufacturing Company | Process for converting chromium dioxide magnetic pigment particles into nonmagnetic chromium (III) oxide |
| US9080235B2 (en) | 2012-04-17 | 2015-07-14 | Jamar International Corporation | Composition and method for diffusion alloying of ferrocarbon workpiece |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042239A1 (de) * | 1980-06-10 | 1981-12-24 | SKF Steel Engineering AB, 81300 Hofors | Verfahren zur herstellung von rostfreiem stahl |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL266669A (US08197722-20120612-C00042.png) * | 1960-08-01 | 1900-01-01 | ||
| US3301669A (en) * | 1964-02-27 | 1967-01-31 | Vanadium Corp Of America | Production of a high chromium containing ferrochrome |
| US3523021A (en) * | 1967-05-23 | 1970-08-04 | Spiridon Iosipovich Khitrik | Method of refining ferrochrome |
| US3615349A (en) * | 1968-01-10 | 1971-10-26 | William Bleloch | Production of alloys of iron |
| SE388210B (sv) * | 1973-01-26 | 1976-09-27 | Skf Svenska Kullagerfab Ab | Sett vid reduktion av metall ur metalloxider |
| CA1057960A (en) * | 1975-02-26 | 1979-07-10 | Westinghouse Electric Corporation | Method of ore reduction with an arc heater |
| US3997333A (en) * | 1975-02-26 | 1976-12-14 | Westinghouse Electric Corporation | Process for the reduction of complex metallic ores |
| US3992193A (en) * | 1975-03-10 | 1976-11-16 | Westinghouse Electric Corporation | Metal powder production by direct reduction in an arc heater |
| CA1055553A (en) * | 1975-04-16 | 1979-05-29 | Tibur Metals Ltd. | Extended arc furnace and process for melting particulate charge therein |
| US4148628A (en) * | 1977-02-18 | 1979-04-10 | Toyo Soda Manufacturing Co., Ltd. | Process of producing metallic chromium |
-
1982
- 1982-10-12 AU AU89281/82A patent/AU552070B2/en not_active Expired
- 1982-10-13 CA CA000413299A patent/CA1199498A/en not_active Expired
- 1982-10-14 GR GR69534A patent/GR76910B/el unknown
- 1982-10-14 NO NO82823424A patent/NO157261C/no not_active IP Right Cessation
- 1982-10-15 ZW ZW221/82A patent/ZW22182A1/xx unknown
- 1982-10-15 FI FI823523A patent/FI69647C/fi not_active IP Right Cessation
- 1982-10-16 DE DE19823238365 patent/DE3238365A1/de active Granted
- 1982-10-18 JP JP57183595A patent/JPS58136746A/ja active Granted
- 1982-10-18 BR BR8206066A patent/BR8206066A/pt not_active IP Right Cessation
- 1982-10-18 FR FR8217354A patent/FR2514789B1/fr not_active Expired
- 1982-10-18 MX MX194818A patent/MX160517A/es unknown
- 1982-10-18 SE SE8205894A patent/SE460909B/sv not_active IP Right Cessation
- 1982-10-18 WO PCT/GB1982/000294 patent/WO1983001461A1/en unknown
- 1982-10-18 US US06/434,753 patent/US4441921A/en not_active Expired - Lifetime
- 1982-10-18 YU YU2337/82A patent/YU42808B/xx unknown
- 1982-10-18 ES ES516605A patent/ES516605A0/es active Granted
- 1982-10-18 GB GB08229700A patent/GB2111532B/en not_active Expired
- 1982-10-19 IT IT8223822A patent/IT1153270B/it active
- 1982-10-19 AT AT0383882A patent/AT382640B/de not_active IP Right Cessation
- 1982-10-19 TR TR21798A patent/TR21798A/xx unknown
- 1982-12-31 IN IN947/DEL/82A patent/IN159762B/en unknown
-
1983
- 1983-06-06 RO RO83111309A patent/RO89014A/ro unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042239A1 (de) * | 1980-06-10 | 1981-12-24 | SKF Steel Engineering AB, 81300 Hofors | Verfahren zur herstellung von rostfreiem stahl |
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8105 | Search report available | ||
| 8126 | Change of the secondary classification |
Free format text: C22B 4/06 C21B 13/02 |
|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: C21B 13/02 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING. HUBER, A., DIPL.-ING. KAMEKE, VON, A., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 2000 HAMBURG |