ES8308932A1 - "procedimiento para la produccion o tratamiento de ferrocromo". - Google Patents
"procedimiento para la produccion o tratamiento de ferrocromo".Info
- Publication number
- ES8308932A1 ES8308932A1 ES516605A ES516605A ES8308932A1 ES 8308932 A1 ES8308932 A1 ES 8308932A1 ES 516605 A ES516605 A ES 516605A ES 516605 A ES516605 A ES 516605A ES 8308932 A1 ES8308932 A1 ES 8308932A1
- Authority
- ES
- Spain
- Prior art keywords
- ferrochromium
- liquidus temperature
- production
- materials
- furnace
- 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
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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Drying Of Semiconductors (AREA)
- Semiconductor Lasers (AREA)
- Hard Magnetic Materials (AREA)
- Furnace Details (AREA)
Abstract
PROCEDIMIENTO PARA LA PRODUCCION DE FERROCROMO. SE AÑADE A UNA ZONA DE REACCION FORMADA POR ESCORIA LIQUIDA Y METAL FUNDIDO, MATERIALES DE ALIMENTACION QUE COMPRENDE AL MENOS ALGUNOS OXIDOS NO REDUCIDOS O PARCIALMENTE REDUCIDOS DE CROMO Y HIERRO, MATERIAL REDUCTOR CARBONOSO Y AGENTES DE ESCORIFICACION. SE CALIENTA LA ZONA DE REACCION POR MEDIO DE UN PLASMA TERMICO DE ARCO TRANSFERIDO, SIENDO LA PRESION PARCIAL DE OXIGENO EN LA ZONA DE REACCION DE COMO MAXIMO 10>->1>8 ATMOSFERAS, AL MENOS PARA LA MAYOR PARTE DE LA DURACION DEL PROCESO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA817210 | 1981-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8308932A1 true ES8308932A1 (es) | 1983-10-01 |
ES516605A0 ES516605A0 (es) | 1983-10-01 |
Family
ID=25575705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES516605A Granted ES516605A0 (es) | 1981-10-19 | 1982-10-18 | "procedimiento para la produccion o tratamiento de ferrocromo". |
Country Status (22)
Country | Link |
---|---|
US (1) | US4441921A (es) |
JP (1) | JPS58136746A (es) |
AT (1) | AT382640B (es) |
AU (1) | AU552070B2 (es) |
BR (1) | BR8206066A (es) |
CA (1) | CA1199498A (es) |
DE (1) | DE3238365A1 (es) |
ES (1) | ES516605A0 (es) |
FI (1) | FI69647C (es) |
FR (1) | FR2514789B1 (es) |
GB (1) | GB2111532B (es) |
GR (1) | GR76910B (es) |
IN (1) | IN159762B (es) |
IT (1) | IT1153270B (es) |
MX (1) | MX160517A (es) |
NO (1) | NO157261C (es) |
RO (1) | RO89014A (es) |
SE (1) | SE460909B (es) |
TR (1) | TR21798A (es) |
WO (1) | WO1983001461A1 (es) |
YU (1) | YU42808B (es) |
ZW (1) | ZW22182A1 (es) |
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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL130826C (es) * | 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 |
GB1548123A (en) * | 1977-02-18 | 1979-07-04 | Toyo Soda Mfg Co Ltd | Process of producing metallic chromium |
SE429561B (sv) * | 1980-06-10 | 1983-09-12 | Skf Steel Eng Ab | Sett for kontinuerlig framstellning av lagkolhaltiga kromstal av kromoxidhaltiga utgangsmaterial med hjelp av en plasmagenerator |
-
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 NO NO82823424A patent/NO157261C/no not_active IP Right Cessation
- 1982-10-14 GR GR69534A patent/GR76910B/el unknown
- 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 US US06/434,753 patent/US4441921A/en not_active Expired - Lifetime
- 1982-10-18 FR FR8217354A patent/FR2514789B1/fr not_active Expired
- 1982-10-18 GB GB08229700A patent/GB2111532B/en not_active Expired
- 1982-10-18 YU YU2337/82A patent/YU42808B/xx unknown
- 1982-10-18 SE SE8205894A patent/SE460909B/sv not_active IP Right Cessation
- 1982-10-18 BR BR8206066A patent/BR8206066A/pt not_active IP Right Cessation
- 1982-10-18 JP JP57183595A patent/JPS58136746A/ja active Granted
- 1982-10-18 ES ES516605A patent/ES516605A0/es active Granted
- 1982-10-18 WO PCT/GB1982/000294 patent/WO1983001461A1/en unknown
- 1982-10-18 MX MX194818A patent/MX160517A/es unknown
- 1982-10-19 AT AT0383882A patent/AT382640B/de not_active IP Right Cessation
- 1982-10-19 IT IT8223822A patent/IT1153270B/it active
- 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
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