JPS6214003B2 - - Google Patents
Info
- Publication number
- JPS6214003B2 JPS6214003B2 JP56192797A JP19279781A JPS6214003B2 JP S6214003 B2 JPS6214003 B2 JP S6214003B2 JP 56192797 A JP56192797 A JP 56192797A JP 19279781 A JP19279781 A JP 19279781A JP S6214003 B2 JPS6214003 B2 JP S6214003B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- molten steel
- decarburization
- furnace
- oxygen
- 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
- 239000007789 gas Substances 0.000 claims description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000005261 decarburization Methods 0.000 claims description 23
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 9
- 239000003085 diluting agent Substances 0.000 claims description 9
- 229910001882 dioxygen Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 229910052786 argon Inorganic materials 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the bath
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (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 |
|---|---|---|---|
| JP19279781A JPS5896812A (ja) | 1981-12-02 | 1981-12-02 | 脱炭精錬方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19279781A JPS5896812A (ja) | 1981-12-02 | 1981-12-02 | 脱炭精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5896812A JPS5896812A (ja) | 1983-06-09 |
| JPS6214003B2 true JPS6214003B2 (de) | 1987-03-31 |
Family
ID=16297144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19279781A Granted JPS5896812A (ja) | 1981-12-02 | 1981-12-02 | 脱炭精錬方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5896812A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690137A3 (de) * | 1994-06-06 | 1997-04-23 | Kawasaki Steel Co | Verfahren zum Entkohlen chromhaltiger Stahlschmelzen |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3550941B2 (ja) * | 1997-04-25 | 2004-08-04 | トヨタ自動車株式会社 | プレス曲げ方法及び装置 |
| JP3550942B2 (ja) * | 1997-05-08 | 2004-08-04 | トヨタ自動車株式会社 | プレス曲げ方法及び装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307937A (en) * | 1964-04-28 | 1967-03-07 | Nyby Bruk Ab | Method when degassing carboncontaining metal melts |
| JPS55158213A (en) * | 1979-05-29 | 1980-12-09 | Daido Steel Co Ltd | Pefining method of chromium containing steel |
-
1981
- 1981-12-02 JP JP19279781A patent/JPS5896812A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307937A (en) * | 1964-04-28 | 1967-03-07 | Nyby Bruk Ab | Method when degassing carboncontaining metal melts |
| JPS55158213A (en) * | 1979-05-29 | 1980-12-09 | Daido Steel Co Ltd | Pefining method of chromium containing steel |
| US4272287A (en) * | 1979-05-29 | 1981-06-09 | Daido Tokushuko Kabushiki Kaisha | Process for refining molten steel containing chromium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0690137A3 (de) * | 1994-06-06 | 1997-04-23 | Kawasaki Steel Co | Verfahren zum Entkohlen chromhaltiger Stahlschmelzen |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5896812A (ja) | 1983-06-09 |
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