JPS622603B2 - - Google Patents
Info
- Publication number
- JPS622603B2 JPS622603B2 JP2396680A JP2396680A JPS622603B2 JP S622603 B2 JPS622603 B2 JP S622603B2 JP 2396680 A JP2396680 A JP 2396680A JP 2396680 A JP2396680 A JP 2396680A JP S622603 B2 JPS622603 B2 JP S622603B2
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- amount
- slag
- lance
- converter
- 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
- 238000007664 blowing Methods 0.000 claims description 170
- 239000002893 slag Substances 0.000 claims description 51
- 238000003756 stirring Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- 239000001301 oxygen Substances 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 31
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 229910000677 High-carbon steel Inorganic materials 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 230000035515 penetration Effects 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 32
- 239000010959 steel Substances 0.000 description 32
- 230000015572 biosynthetic process Effects 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- -1 expressed as T Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training 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
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2396680A JPS56123316A (en) | 1980-02-29 | 1980-02-29 | Method for making high-carbon steel with combined top- and bottom-blown converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2396680A JPS56123316A (en) | 1980-02-29 | 1980-02-29 | Method for making high-carbon steel with combined top- and bottom-blown converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56123316A JPS56123316A (en) | 1981-09-28 |
| JPS622603B2 true JPS622603B2 (en, 2012) | 1987-01-21 |
Family
ID=12125285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2396680A Granted JPS56123316A (en) | 1980-02-29 | 1980-02-29 | Method for making high-carbon steel with combined top- and bottom-blown converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56123316A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63176423U (en, 2012) * | 1987-05-08 | 1988-11-16 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147507A (ja) * | 1982-02-27 | 1983-09-02 | Kawasaki Steel Corp | 上，底吹き併用の脱りん強化吹錬方法 |
| JP5533814B2 (ja) * | 2011-08-03 | 2014-06-25 | 新日鐵住金株式会社 | 溶銑の脱炭処理方法 |
-
1980
- 1980-02-29 JP JP2396680A patent/JPS56123316A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63176423U (en, 2012) * | 1987-05-08 | 1988-11-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56123316A (en) | 1981-09-28 |
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