JPS6212281B2 - - Google Patents
Info
- Publication number
- JPS6212281B2 JPS6212281B2 JP14994380A JP14994380A JPS6212281B2 JP S6212281 B2 JPS6212281 B2 JP S6212281B2 JP 14994380 A JP14994380 A JP 14994380A JP 14994380 A JP14994380 A JP 14994380A JP S6212281 B2 JPS6212281 B2 JP S6212281B2
- Authority
- JP
- Japan
- Prior art keywords
- blowing
- lance
- metal
- converter
- bottom blowing
- 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 67
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 33
- 239000007789 gas Substances 0.000 description 22
- 239000002893 slag Substances 0.000 description 16
- 238000002474 experimental method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000008646 thermal stress Effects 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 |
---|---|---|---|
JP14994380A JPS5773109A (en) | 1980-10-25 | 1980-10-25 | Blowing method in top and bottom blown converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14994380A JPS5773109A (en) | 1980-10-25 | 1980-10-25 | Blowing method in top and bottom blown converter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5773109A JPS5773109A (en) | 1982-05-07 |
JPS6212281B2 true JPS6212281B2 (US07943777-20110517-C00090.png) | 1987-03-18 |
Family
ID=15485957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14994380A Granted JPS5773109A (en) | 1980-10-25 | 1980-10-25 | Blowing method in top and bottom blown converter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5773109A (US07943777-20110517-C00090.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0229665Y2 (US07943777-20110517-C00090.png) * | 1986-10-18 | 1990-08-09 | ||
JPH054224Y2 (US07943777-20110517-C00090.png) * | 1987-10-27 | 1993-02-02 |
-
1980
- 1980-10-25 JP JP14994380A patent/JPS5773109A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0229665Y2 (US07943777-20110517-C00090.png) * | 1986-10-18 | 1990-08-09 | ||
JPH054224Y2 (US07943777-20110517-C00090.png) * | 1987-10-27 | 1993-02-02 |
Also Published As
Publication number | Publication date |
---|---|
JPS5773109A (en) | 1982-05-07 |
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