JPS64454B2 - - Google Patents
Info
- Publication number
- JPS64454B2 JPS64454B2 JP17594885A JP17594885A JPS64454B2 JP S64454 B2 JPS64454 B2 JP S64454B2 JP 17594885 A JP17594885 A JP 17594885A JP 17594885 A JP17594885 A JP 17594885A JP S64454 B2 JPS64454 B2 JP S64454B2
- Authority
- JP
- Japan
- Prior art keywords
- low
- slag
- nitrogen
- gas
- less
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 36
- 238000000034 method Methods 0.000 description 29
- 229910052757 nitrogen Inorganic materials 0.000 description 27
- 239000002893 slag Substances 0.000 description 24
- 239000011651 chromium Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 19
- 229910052799 carbon Inorganic materials 0.000 description 18
- 229910000604 Ferrochrome Inorganic materials 0.000 description 16
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000005587 bubbling Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011261 inert gas Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 235000012255 calcium oxide Nutrition 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 229910004762 CaSiO Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17594885A JPS6237340A (ja) | 1985-08-12 | 1985-08-12 | 低窒素、低炭素フエロクロムの製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17594885A JPS6237340A (ja) | 1985-08-12 | 1985-08-12 | 低窒素、低炭素フエロクロムの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237340A JPS6237340A (ja) | 1987-02-18 |
| JPS64454B2 true JPS64454B2 (es) | 1989-01-06 |
Family
ID=16005050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17594885A Granted JPS6237340A (ja) | 1985-08-12 | 1985-08-12 | 低窒素、低炭素フエロクロムの製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237340A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01180941A (ja) * | 1988-01-13 | 1989-07-18 | Nkk Corp | 低炭素フェロクロムの製造法 |
| JPH0621317B2 (ja) * | 1988-03-04 | 1994-03-23 | 日本鋼管株式会社 | 低炭素フェロクロムの製造法 |
| JPWO2021010312A1 (es) * | 2019-07-12 | 2021-01-21 | ||
| BR112021024006A2 (pt) * | 2019-07-12 | 2022-02-01 | Jfe Mat Co Ltd | Método para produzir ferrocromo de baixo teor de carbono |
-
1985
- 1985-08-12 JP JP17594885A patent/JPS6237340A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6237340A (ja) | 1987-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |