CA2927984C - Production of chromium iron alloys directly from chromite ore - Google Patents
Production of chromium iron alloys directly from chromite ore Download PDFInfo
- Publication number
- CA2927984C CA2927984C CA2927984A CA2927984A CA2927984C CA 2927984 C CA2927984 C CA 2927984C CA 2927984 A CA2927984 A CA 2927984A CA 2927984 A CA2927984 A CA 2927984A CA 2927984 C CA2927984 C CA 2927984C
- Authority
- CA
- Canada
- Prior art keywords
- accelerant
- chromium
- carbon
- chromite
- chromite ore
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/008—Use of special additives or fluxing agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361893400P | 2013-10-21 | 2013-10-21 | |
US61/893,400 | 2013-10-21 | ||
PCT/US2014/054644 WO2015060951A1 (en) | 2013-10-21 | 2014-09-09 | Production of chromium iron alloys directly from chromite ore |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2927984A1 CA2927984A1 (en) | 2015-04-30 |
CA2927984C true CA2927984C (en) | 2018-03-27 |
Family
ID=52993349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2927984A Active CA2927984C (en) | 2013-10-21 | 2014-09-09 | Production of chromium iron alloys directly from chromite ore |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160244864A1 (zh) |
JP (2) | JP2016539251A (zh) |
KR (1) | KR20160073994A (zh) |
CN (1) | CN105658828A (zh) |
CA (1) | CA2927984C (zh) |
WO (1) | WO2015060951A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA201992240A1 (ru) * | 2017-03-21 | 2020-03-23 | Ланксесс Дойчланд Гмбх | Способ получения железо- и хромсодержащих частиц |
US10982300B2 (en) | 2017-05-02 | 2021-04-20 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources | Carbothermic direct reduction of chromite using a catalyst for the production of ferrochrome alloy |
US10358693B2 (en) | 2017-10-20 | 2019-07-23 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources | Method of direct reduction of chromite with cryolite additive |
PL3760748T3 (pl) * | 2019-07-02 | 2024-02-05 | Brother Group (Hong Kong) Limited | Sposób otrzymywania zoptymalizowanych kalcynowanych peletek zawierających żelazo i chrom |
EP3763837A1 (de) * | 2019-07-09 | 2021-01-13 | Brother Group (Hong Kong) Limited | Formgebung von chromerzprozess-rückständen |
BR102019023195B1 (pt) * | 2019-11-05 | 2021-01-19 | Vale S.A. | processo de produção de aglomerado de finos de minério de ferroe o produto aglomerado |
CN113444884B (zh) * | 2021-05-17 | 2022-11-01 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种微碳铬铁合金的制备方法 |
CN114855002B (zh) * | 2021-07-06 | 2023-04-25 | 丰镇市华兴化工有限公司 | 一种低钛高碳铬铁及其生产方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2990267A (en) * | 1959-06-26 | 1961-06-27 | Dow Chemical Co | Preparation of metal powders |
US3235371A (en) * | 1962-09-10 | 1966-02-15 | Control Of Michigan College Of | Agglomerated mineral products and method of making same |
US3661555A (en) * | 1969-06-24 | 1972-05-09 | Showa Denko Kk | Pelletized chromium addition agents for ferro alloys production and method therefor |
US3894865A (en) * | 1970-07-10 | 1975-07-15 | Wienert Fritz Otto | Production of metallurgical pellets in rotary kilns |
JPS5114969B1 (zh) * | 1970-10-31 | 1976-05-13 | ||
US3997333A (en) * | 1975-02-26 | 1976-12-14 | Westinghouse Electric Corporation | Process for the reduction of complex metallic ores |
US4298581A (en) * | 1980-04-15 | 1981-11-03 | Cabot Corporation | Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material |
JPS58199834A (ja) * | 1982-05-15 | 1983-11-21 | Kawasaki Steel Corp | クロム鉱石の予備還元法 |
DE3713883A1 (de) * | 1987-04-25 | 1988-11-17 | Metallgesellschaft Ag | Verfahren zur herstellung von ferrochrom |
CN1037917C (zh) * | 1993-03-02 | 1998-04-01 | 锦州铁合金厂 | 粉铬矿还原性烧结造块冶炼铬铁合金工艺 |
US7315021B2 (en) * | 2004-05-21 | 2008-01-01 | Analytica Of Branford, Inc. | Charged droplet spray probe |
CN101638730B (zh) * | 2008-07-31 | 2015-03-25 | 塔塔钢铁有限公司 | 用于从冶金级铬铁矿精矿细粉生产海绵铬的方法 |
CN101538630B (zh) * | 2009-02-05 | 2011-04-06 | 丁家伟 | 用铬矿粉制备铬铁工艺及设备 |
CN103045854B (zh) * | 2011-10-12 | 2015-11-25 | 中国中化股份有限公司 | 用于铬铁合金冶炼生产的铬粉矿的预处理方法 |
CN105121669A (zh) * | 2013-03-06 | 2015-12-02 | 米德雷克斯技术公司 | 还原含铬原材料的方法和系统 |
-
2014
- 2014-09-09 CA CA2927984A patent/CA2927984C/en active Active
- 2014-09-09 WO PCT/US2014/054644 patent/WO2015060951A1/en active Application Filing
- 2014-09-09 CN CN201480057652.7A patent/CN105658828A/zh active Pending
- 2014-09-09 JP JP2016549010A patent/JP2016539251A/ja active Pending
- 2014-09-09 US US15/027,479 patent/US20160244864A1/en not_active Abandoned
- 2014-09-09 KR KR1020167013029A patent/KR20160073994A/ko not_active Application Discontinuation
-
2019
- 2019-05-21 JP JP2019094969A patent/JP2019131895A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2016539251A (ja) | 2016-12-15 |
US20160244864A1 (en) | 2016-08-25 |
WO2015060951A1 (en) | 2015-04-30 |
KR20160073994A (ko) | 2016-06-27 |
JP2019131895A (ja) | 2019-08-08 |
CN105658828A (zh) | 2016-06-08 |
CA2927984A1 (en) | 2015-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |
Effective date: 20160419 |