JPH0144772B2 - - Google Patents
Info
- Publication number
- JPH0144772B2 JPH0144772B2 JP17505781A JP17505781A JPH0144772B2 JP H0144772 B2 JPH0144772 B2 JP H0144772B2 JP 17505781 A JP17505781 A JP 17505781A JP 17505781 A JP17505781 A JP 17505781A JP H0144772 B2 JPH0144772 B2 JP H0144772B2
- Authority
- JP
- Japan
- Prior art keywords
- chromium ore
- slag
- parts
- coke
- chromium
- 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 33
- 229910052804 chromium Inorganic materials 0.000 claims description 31
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 30
- 239000000571 coke Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 description 15
- 230000004907 flux Effects 0.000 description 13
- 238000006722 reduction reaction Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910000604 Ferrochrome Inorganic materials 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17505781A JPS5877548A (ja) | 1981-10-31 | 1981-10-31 | クロム鉱石の溶融還元法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17505781A JPS5877548A (ja) | 1981-10-31 | 1981-10-31 | クロム鉱石の溶融還元法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13572089A Division JPH0277534A (ja) | 1989-05-31 | 1989-05-31 | クロム鉱石の溶融還元法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877548A JPS5877548A (ja) | 1983-05-10 |
| JPH0144772B2 true JPH0144772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-29 |
Family
ID=15989472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17505781A Granted JPS5877548A (ja) | 1981-10-31 | 1981-10-31 | クロム鉱石の溶融還元法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877548A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10023945B2 (en) | 2010-05-18 | 2018-07-17 | Tata Steel Limited | Direct smelting process |
| CN111218557A (zh) * | 2020-03-02 | 2020-06-02 | 攀钢集团攀枝花钢铁研究院有限公司 | 钒铁合金的浇铸方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3343989C1 (de) * | 1983-12-06 | 1984-12-13 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Herstellung von feinteiligem,sauerstoffarmem Chrommetallpulver |
| JPS62167808A (ja) * | 1986-01-20 | 1987-07-24 | Nisshin Steel Co Ltd | 含クロム溶銑の製造法 |
| JPS62238349A (ja) * | 1986-04-08 | 1987-10-19 | Sumitomo Metal Ind Ltd | クロム含有溶鉄の製造方法 |
-
1981
- 1981-10-31 JP JP17505781A patent/JPS5877548A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10023945B2 (en) | 2010-05-18 | 2018-07-17 | Tata Steel Limited | Direct smelting process |
| US10280489B2 (en) | 2010-05-18 | 2019-05-07 | Tata Steel Limited | Direct smelting process |
| CN111218557A (zh) * | 2020-03-02 | 2020-06-02 | 攀钢集团攀枝花钢铁研究院有限公司 | 钒铁合金的浇铸方法 |
| CN111218557B (zh) * | 2020-03-02 | 2021-06-08 | 攀钢集团攀枝花钢铁研究院有限公司 | 钒铁合金的浇铸方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5877548A (ja) | 1983-05-10 |