JPS6212301B2 - - Google Patents
Info
- Publication number
- JPS6212301B2 JPS6212301B2 JP57157317A JP15731782A JPS6212301B2 JP S6212301 B2 JPS6212301 B2 JP S6212301B2 JP 57157317 A JP57157317 A JP 57157317A JP 15731782 A JP15731782 A JP 15731782A JP S6212301 B2 JPS6212301 B2 JP S6212301B2
- Authority
- JP
- Japan
- Prior art keywords
- dephosphorization
- slag
- chromium
- molten iron
- flux
- 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
- 230000004907 flux Effects 0.000 claims description 30
- 239000002893 slag Substances 0.000 claims description 30
- 239000011651 chromium Substances 0.000 claims description 27
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 23
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 229910052804 chromium Inorganic materials 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 239000007800 oxidant agent Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000003009 desulfurizing effect Effects 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 description 21
- 230000023556 desulfurization Effects 0.000 description 21
- 238000011282 treatment Methods 0.000 description 17
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- -1 BaCl 2 Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910016036 BaF 2 Inorganic materials 0.000 description 3
- 229910004261 CaF 2 Inorganic materials 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 2
- 229910001626 barium chloride Inorganic materials 0.000 description 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 244000245420 ail Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15731782A JPS5947350A (ja) | 1982-09-09 | 1982-09-09 | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15731782A JPS5947350A (ja) | 1982-09-09 | 1982-09-09 | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5947350A JPS5947350A (ja) | 1984-03-17 |
| JPS6212301B2 true JPS6212301B2 (cs) | 1987-03-18 |
Family
ID=15647043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15731782A Granted JPS5947350A (ja) | 1982-09-09 | 1982-09-09 | クロムを含む溶融鉄合金の脱燐・脱硫方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5947350A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798970B2 (ja) * | 1986-08-29 | 1995-10-25 | 住友金属工業株式会社 | クロムを含む溶融鉄合金の脱燐方法 |
| CN100383256C (zh) * | 2005-03-31 | 2008-04-23 | 宝山钢铁股份有限公司 | 一种含铬铁水的脱磷剂 |
| KR101381856B1 (ko) * | 2011-12-27 | 2014-04-04 | 주식회사 포스코 | 페로망간의 탈린용 플럭스 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770219A (en) * | 1980-10-21 | 1982-04-30 | Nisshin Steel Co Ltd | Method for dephosphorizing, desulfurizing and denitrifying iron alloy |
-
1982
- 1982-09-09 JP JP15731782A patent/JPS5947350A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770219A (en) * | 1980-10-21 | 1982-04-30 | Nisshin Steel Co Ltd | Method for dephosphorizing, desulfurizing and denitrifying iron alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5947350A (ja) | 1984-03-17 |
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