JPH0413404B2 - - Google Patents
Info
- Publication number
- JPH0413404B2 JPH0413404B2 JP20565784A JP20565784A JPH0413404B2 JP H0413404 B2 JPH0413404 B2 JP H0413404B2 JP 20565784 A JP20565784 A JP 20565784A JP 20565784 A JP20565784 A JP 20565784A JP H0413404 B2 JPH0413404 B2 JP H0413404B2
- Authority
- JP
- Japan
- Prior art keywords
- molten iron
- secondary combustion
- oxygen
- gas
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 76
- 229910052742 iron Inorganic materials 0.000 claims description 38
- 238000002485 combustion reaction Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 22
- 239000002893 slag Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000007670 refining Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 238000009841 combustion method Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 33
- 229910052760 oxygen Inorganic materials 0.000 description 33
- 239000001301 oxygen Substances 0.000 description 33
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 238000005261 decarburization Methods 0.000 description 14
- 239000011651 chromium Substances 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring 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)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20565784A JPS6184311A (ja) | 1984-10-02 | 1984-10-02 | ２次燃焼法による溶鉄加熱方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20565784A JPS6184311A (ja) | 1984-10-02 | 1984-10-02 | ２次燃焼法による溶鉄加熱方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6184311A JPS6184311A (ja) | 1986-04-28 |
| JPH0413404B2 true JPH0413404B2 (enrdf_load_stackoverflow) | 1992-03-09 |
Family
ID=16510522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20565784A Granted JPS6184311A (ja) | 1984-10-02 | 1984-10-02 | ２次燃焼法による溶鉄加熱方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184311A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079017B2 (ja) * | 1986-05-29 | 1995-02-01 | 日本鋼管株式会社 | 溶融還元法 |
| JPH02156011A (ja) * | 1988-12-07 | 1990-06-15 | Sumitomo Metal Ind Ltd | 炉肩羽口を備えた転炉による酸素転炉製鋼法 |
| KR100242565B1 (ko) * | 1991-09-20 | 2000-03-02 | 제이 엠. 플로이드 | 철의 제조방법 |
-
1984
- 1984-10-02 JP JP20565784A patent/JPS6184311A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6184311A (ja) | 1986-04-28 |
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