JPS6136573B2 - - Google Patents
Info
- Publication number
- JPS6136573B2 JPS6136573B2 JP7341382A JP7341382A JPS6136573B2 JP S6136573 B2 JPS6136573 B2 JP S6136573B2 JP 7341382 A JP7341382 A JP 7341382A JP 7341382 A JP7341382 A JP 7341382A JP S6136573 B2 JPS6136573 B2 JP S6136573B2
- Authority
- JP
- Japan
- Prior art keywords
- reduction
- furnace
- chromium ore
- ore
- oxidation treatment
- 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
- 239000011651 chromium Substances 0.000 claims description 73
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 64
- 229910052804 chromium Inorganic materials 0.000 claims description 60
- 239000007789 gas Substances 0.000 claims description 42
- 238000007254 oxidation reaction Methods 0.000 claims description 41
- 230000003647 oxidation Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 33
- 238000003723 Smelting Methods 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052596 spinel Inorganic materials 0.000 description 6
- 239000011029 spinel Substances 0.000 description 6
- 229910000604 Ferrochrome Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7341382A JPS58193330A (ja) | 1982-05-04 | 1982-05-04 | クロム鉱石の溶融還元法における予備還元方法及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7341382A JPS58193330A (ja) | 1982-05-04 | 1982-05-04 | クロム鉱石の溶融還元法における予備還元方法及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193330A JPS58193330A (ja) | 1983-11-11 |
| JPS6136573B2 true JPS6136573B2 (enrdf_load_stackoverflow) | 1986-08-19 |
Family
ID=13517481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7341382A Granted JPS58193330A (ja) | 1982-05-04 | 1982-05-04 | クロム鉱石の溶融還元法における予備還元方法及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193330A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101765670B (zh) * | 2007-05-24 | 2013-07-17 | 塔塔钢铁有限公司 | 由铬铁矿石或铬铁精矿生产铬金属块的方法 |
| 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 |
| CN112063860B (zh) * | 2020-08-31 | 2022-08-05 | 中国科学院过程工程研究所 | 一种从含铬物料中提取铬的方法 |
-
1982
- 1982-05-04 JP JP7341382A patent/JPS58193330A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58193330A (ja) | 1983-11-11 |
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