ZA895954B - Process and apparatus for the manufacture of ferrochromium - Google Patents
Process and apparatus for the manufacture of ferrochromiumInfo
- Publication number
- ZA895954B ZA895954B ZA895954A ZA895954A ZA895954B ZA 895954 B ZA895954 B ZA 895954B ZA 895954 A ZA895954 A ZA 895954A ZA 895954 A ZA895954 A ZA 895954A ZA 895954 B ZA895954 B ZA 895954B
- Authority
- ZA
- South Africa
- Prior art keywords
- ferrochromium
- manufacture
- Prior art date
Links
Classifications
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
- F27B7/383—Cooling devices for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3826824A DE3826824C1 (ja) | 1988-08-06 | 1988-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA895954B true ZA895954B (en) | 1990-05-30 |
Family
ID=6360407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA895954A ZA895954B (en) | 1988-08-06 | 1989-08-04 | Process and apparatus for the manufacture of ferrochromium |
Country Status (10)
Country | Link |
---|---|
US (1) | US4981510A (ja) |
AU (1) | AU616290B2 (ja) |
BR (1) | BR8903941A (ja) |
DE (1) | DE3826824C1 (ja) |
FI (1) | FI91543C (ja) |
GR (1) | GR890100352A (ja) |
SU (1) | SU1713440A3 (ja) |
TR (1) | TR24296A (ja) |
ZA (1) | ZA895954B (ja) |
ZW (1) | ZW7989A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4406382C2 (de) * | 1994-02-26 | 1997-08-14 | Metallgesellschaft Ag | Drehkühler zum Kühlen von Schüttgut |
JP4167101B2 (ja) * | 2003-03-20 | 2008-10-15 | 株式会社神戸製鋼所 | 粒状金属鉄の製法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805930A (en) * | 1953-03-10 | 1957-09-10 | Strategic Udy Metallurg & Chem | Process of producing iron from iron-oxide material |
US2830891A (en) * | 1955-07-22 | 1958-04-15 | Strategic Udy Metallurg & Chem | Process for the production of ferromanganese products from manganesebearing materials |
US3224871A (en) * | 1961-02-24 | 1965-12-21 | Elektrokemisk As | Process of preheating ores for reduction in smelting furnace |
US3834899A (en) * | 1970-12-16 | 1974-09-10 | Japan Metals & Chem Co Ltd | Method of manufacturing low-carbon ferrochromium |
US3849114A (en) * | 1973-09-14 | 1974-11-19 | Showa Denko Kk | Process for producing high carbon ferrochrome |
US4414026A (en) * | 1981-07-30 | 1983-11-08 | Nippon Kokan Kabushiki Kaisha | Method for the production of ferrochromium |
PH22151A (en) * | 1983-12-31 | 1988-06-01 | Krupp Gmbh | Process for the production of ferrochromium |
DE3347685C1 (de) * | 1983-12-31 | 1985-04-04 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Herstellung von Ferromangan |
DE3347686C1 (de) * | 1983-12-31 | 1985-04-18 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Herstellung von Ferrochrom |
DE3431854C1 (de) * | 1984-08-30 | 1986-01-09 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Herstellung von Ferrochrom |
DE3422267A1 (de) * | 1984-06-15 | 1985-12-19 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zum beheizen eines reduktionsofens |
DE3442245A1 (de) * | 1984-11-19 | 1986-05-28 | Japan Metals & Chemicals Co., Ltd., Tokio/Tokyo | Verfahren zur herstellung einer legierung mit hohem chromgehalt durch schmelzreduktion |
DE3518555C1 (de) * | 1985-05-23 | 1986-01-09 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Reduktion von eisenhaltigen Chromerzen |
US4731112A (en) * | 1986-02-19 | 1988-03-15 | Midrex International, B.V. Rotterdam, Zurich Branch | Method of producing ferro-alloys |
DE3713883A1 (de) * | 1987-04-25 | 1988-11-17 | Metallgesellschaft Ag | Verfahren zur herstellung von ferrochrom |
-
1988
- 1988-08-06 DE DE3826824A patent/DE3826824C1/de not_active Expired - Lifetime
-
1989
- 1989-05-29 GR GR890100352A patent/GR890100352A/el unknown
- 1989-06-26 ZW ZW79/89A patent/ZW7989A1/xx unknown
- 1989-07-05 TR TR89/0627A patent/TR24296A/xx unknown
- 1989-07-17 SU SU4614499A patent/SU1713440A3/ru active
- 1989-07-21 AU AU38873/89A patent/AU616290B2/en not_active Ceased
- 1989-08-02 FI FI893662A patent/FI91543C/fi not_active IP Right Cessation
- 1989-08-04 BR BR898903941A patent/BR8903941A/pt not_active IP Right Cessation
- 1989-08-04 US US07/389,591 patent/US4981510A/en not_active Expired - Fee Related
- 1989-08-04 ZA ZA895954A patent/ZA895954B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4981510A (en) | 1991-01-01 |
FI893662A0 (fi) | 1989-08-02 |
FI91543B (fi) | 1994-03-31 |
ZW7989A1 (en) | 1989-11-29 |
AU616290B2 (en) | 1991-10-24 |
DE3826824C1 (ja) | 1990-01-04 |
BR8903941A (pt) | 1990-03-20 |
FI91543C (fi) | 1994-07-11 |
TR24296A (tr) | 1991-07-30 |
AU3887389A (en) | 1990-02-08 |
FI893662A (fi) | 1990-02-07 |
SU1713440A3 (ru) | 1992-02-15 |
GR890100352A (el) | 1990-08-22 |
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