JPS626604B2 - - Google Patents
Info
- Publication number
- JPS626604B2 JPS626604B2 JP15499482A JP15499482A JPS626604B2 JP S626604 B2 JPS626604 B2 JP S626604B2 JP 15499482 A JP15499482 A JP 15499482A JP 15499482 A JP15499482 A JP 15499482A JP S626604 B2 JPS626604 B2 JP S626604B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- steel
- rare earth
- desulfurization
- added
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 238000006477 desulfuration reaction Methods 0.000 claims description 24
- 230000023556 desulfurization Effects 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 230000004907 flux Effects 0.000 claims description 22
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 21
- 238000007670 refining Methods 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 claims description 9
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000009628 steelmaking Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000009849 vacuum degassing Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 description 9
- 150000004763 sulfides Chemical class 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000000137 annealing Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- -1 rare earth sulfides Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 239000005997 Calcium carbide Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012733 comparative method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15499482A JPS5943814A (ja) | 1982-09-06 | 1982-09-06 | 鉄損の低い無方向性電磁鋼板の製造に供する溶鋼の取鍋精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15499482A JPS5943814A (ja) | 1982-09-06 | 1982-09-06 | 鉄損の低い無方向性電磁鋼板の製造に供する溶鋼の取鍋精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5943814A JPS5943814A (ja) | 1984-03-12 |
| JPS626604B2 true JPS626604B2 (enExample) | 1987-02-12 |
Family
ID=15596384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15499482A Granted JPS5943814A (ja) | 1982-09-06 | 1982-09-06 | 鉄損の低い無方向性電磁鋼板の製造に供する溶鋼の取鍋精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5943814A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5142610B2 (ja) * | 2007-07-18 | 2013-02-13 | 株式会社日本製鋼所 | 高清浄度鋼の製造方法 |
| JP5267513B2 (ja) * | 2010-07-02 | 2013-08-21 | 新日鐵住金株式会社 | 溶鋼の高速脱硫脱窒方法 |
| JP6989000B2 (ja) * | 2018-10-02 | 2022-01-05 | Ｊｆｅスチール株式会社 | 無方向性電磁鋼板の素材となるスラブ鋳片の製造方法 |
-
1982
- 1982-09-06 JP JP15499482A patent/JPS5943814A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5943814A (ja) | 1984-03-12 |
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