JPS6225726B2 - - Google Patents
Info
- Publication number
- JPS6225726B2 JPS6225726B2 JP57136532A JP13653282A JPS6225726B2 JP S6225726 B2 JPS6225726 B2 JP S6225726B2 JP 57136532 A JP57136532 A JP 57136532A JP 13653282 A JP13653282 A JP 13653282A JP S6225726 B2 JPS6225726 B2 JP S6225726B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- refining
- cooling water
- exhaust gas
- amount
- 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 60
- 239000010959 steel Substances 0.000 claims description 60
- 238000007670 refining Methods 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 30
- 239000000498 cooling water Substances 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000005261 decarburization Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 14
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- 229910001882 dioxygen Inorganic materials 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000005275 alloying Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011651 chromium Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 101100440286 Mus musculus Cntrl gene Proteins 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 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
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57136532A JPS5928515A (ja) | 1982-08-05 | 1982-08-05 | 鋼の精錬方法 |
| US06/520,727 US4619694A (en) | 1982-08-05 | 1983-08-05 | Method of refining steel and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57136532A JPS5928515A (ja) | 1982-08-05 | 1982-08-05 | 鋼の精錬方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928515A JPS5928515A (ja) | 1984-02-15 |
| JPS6225726B2 true JPS6225726B2 (en, 2012) | 1987-06-04 |
Family
ID=15177383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57136532A Granted JPS5928515A (ja) | 1982-08-05 | 1982-08-05 | 鋼の精錬方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4619694A (en, 2012) |
| JP (1) | JPS5928515A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125989U (en, 2012) * | 1988-02-19 | 1989-08-28 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609669A (en) * | 1993-11-22 | 1997-03-11 | Brunner; Mikael | Method of manufacturing stainless steel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3720404A (en) * | 1967-06-27 | 1973-03-13 | Westinghouse Electric Corp | System for controlling carbon removal in a basic oxygen furnace |
-
1982
- 1982-08-05 JP JP57136532A patent/JPS5928515A/ja active Granted
-
1983
- 1983-08-05 US US06/520,727 patent/US4619694A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01125989U (en, 2012) * | 1988-02-19 | 1989-08-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4619694A (en) | 1986-10-28 |
| JPS5928515A (ja) | 1984-02-15 |
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