JPH0469204B2 - - Google Patents
Info
- Publication number
- JPH0469204B2 JPH0469204B2 JP29183387A JP29183387A JPH0469204B2 JP H0469204 B2 JPH0469204 B2 JP H0469204B2 JP 29183387 A JP29183387 A JP 29183387A JP 29183387 A JP29183387 A JP 29183387A JP H0469204 B2 JPH0469204 B2 JP H0469204B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary combustion
- oxygen
- nozzle
- iron
- iron bath
- 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 96
- 238000002485 combustion reaction Methods 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 48
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 229910052760 oxygen Inorganic materials 0.000 claims description 29
- 239000001301 oxygen Substances 0.000 claims description 29
- 238000007664 blowing Methods 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000007670 refining Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005261 decarburization Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 description 10
- 239000002994 raw material Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29183387A JPH01136913A (ja) | 1987-11-20 | 1987-11-20 | 鉄の溶融還元方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29183387A JPH01136913A (ja) | 1987-11-20 | 1987-11-20 | 鉄の溶融還元方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136913A JPH01136913A (ja) | 1989-05-30 |
| JPH0469204B2 true JPH0469204B2 (me) | 1992-11-05 |
Family
ID=17774008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29183387A Granted JPH01136913A (ja) | 1987-11-20 | 1987-11-20 | 鉄の溶融還元方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136913A (me) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPR023100A0 (en) * | 2000-09-19 | 2000-10-12 | Technological Resources Pty Limited | A direct smelting process and apparatus |
| JP2008096295A (ja) * | 2006-10-12 | 2008-04-24 | Mitsutoyo Corp | 三次元センサおよび接触プローブ |
-
1987
- 1987-11-20 JP JP29183387A patent/JPH01136913A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01136913A (ja) | 1989-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0693561B1 (en) | Electric arc furnace post-combustion method | |
| CA2341898A1 (en) | A direct smelting process | |
| KR950018510A (ko) | 컨버터(converter)를 이용한 철의 제조방법 | |
| CZ278679B6 (en) | Process for producing steel from a charge of liquid pig iron and steel scrap in a converter | |
| CN1221668C (zh) | 直接熔炼方法和设备 | |
| CA2335753A1 (en) | A direct smelting process | |
| JPH0469204B2 (me) | ||
| US4740242A (en) | Method for transferring heat to molten metal, and apparatus therefor | |
| FI93027B (sv) | Förfarande och anordning för framställning av järn | |
| US6352574B1 (en) | Process for direct production of cast iron from fine iron ore and fine coal | |
| JPH0233779B2 (me) | ||
| JP2000337776A (ja) | 溶解炉等における二次燃焼率及び着熱効率の向上方法 | |
| JPH1192815A (ja) | ダスト発生を抑制する転炉吹錬法 | |
| JPH0543924A (ja) | ２次燃焼吹錬方法 | |
| JPS6233710A (ja) | 転炉における溶鋼昇熱方法 | |
| JPH1192814A (ja) | ダスト発生を抑制する転炉吹錬方法 | |
| JPH11293314A (ja) | 鉄原料の溶融還元方法及び溶融還元炉 | |
| JPS6151603B2 (me) | ||
| JPH06102808B2 (ja) | 溶融還元法 | |
| JP3655512B2 (ja) | 中高炭素鋼の吹酸昇熱方法 | |
| JPS6152212B2 (me) | ||
| JPH0499111A (ja) | 溶融還元における生産性向上のための酸素ガス供給方法 | |
| JPH0559961B2 (me) | ||
| JPH08295915A (ja) | 粒鉄を利用する鋼スクラップの溶解方法 | |
| JPH08311521A (ja) | 鋼スクラップの溶解方法 |