JPH0438816B2 - - Google Patents
Info
- Publication number
- JPH0438816B2 JPH0438816B2 JP12913984A JP12913984A JPH0438816B2 JP H0438816 B2 JPH0438816 B2 JP H0438816B2 JP 12913984 A JP12913984 A JP 12913984A JP 12913984 A JP12913984 A JP 12913984A JP H0438816 B2 JPH0438816 B2 JP H0438816B2
- Authority
- JP
- Japan
- Prior art keywords
- lance
- oxygen gas
- pulverized coal
- carbon
- furnace
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 20
- 229910001882 dioxygen Inorganic materials 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 12
- 238000009628 steelmaking Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 31
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000000571 coke Substances 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- -1 kerosene Chemical compound 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid 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
- C21C5/32—Blowing from above
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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 |
|---|---|---|---|
| JP59129139A JPS619512A (ja) | 1984-06-25 | 1984-06-25 | 製鋼用転炉への熱源の供給方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59129139A JPS619512A (ja) | 1984-06-25 | 1984-06-25 | 製鋼用転炉への熱源の供給方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS619512A JPS619512A (ja) | 1986-01-17 |
| JPH0438816B2 true JPH0438816B2 (de) | 1992-06-25 |
Family
ID=15002081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59129139A Granted JPS619512A (ja) | 1984-06-25 | 1984-06-25 | 製鋼用転炉への熱源の供給方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS619512A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6250404A (ja) * | 1985-08-30 | 1987-03-05 | Kawasaki Steel Corp | 屑鉄の溶解方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169510A (ja) * | 1984-02-15 | 1985-09-03 | Nippon Steel Corp | 加炭剤を添加する製鋼法 |
-
1984
- 1984-06-25 JP JP59129139A patent/JPS619512A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169510A (ja) * | 1984-02-15 | 1985-09-03 | Nippon Steel Corp | 加炭剤を添加する製鋼法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS619512A (ja) | 1986-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1123608A (en) | Process for the production of steel from pig iron and scrap | |
| RU2090622C1 (ru) | Способ получения железа из железосодержащих сырьевых материалов в конвертере | |
| JP2735774B2 (ja) | 冶金反応容器での反応を強化する方法 | |
| WO2010072043A1 (zh) | 熔炼炉和炼钢设备以及炼钢工艺 | |
| JPS63195209A (ja) | 製鋼方法 | |
| JPH0438816B2 (de) | ||
| JPH07316618A (ja) | 溶融還元溶銑の予備精錬方法 | |
| JPH01195225A (ja) | 製鉄原料の溶解方法 | |
| JP4513340B2 (ja) | 溶銑の脱燐処理方法 | |
| JPH0433844B2 (de) | ||
| JPS6167708A (ja) | 鉄合金の精錬方法 | |
| JPS61227119A (ja) | 含鉄冷材を主原料とする転炉製鋼法 | |
| JP2596003B2 (ja) | 溶融還元法 | |
| JPS61284512A (ja) | クロム鉱石を用いた高クロム鋼の製造方法 | |
| JP6327298B2 (ja) | 溶銑の精錬方法 | |
| JPS5937324B2 (ja) | 底吹き転炉精錬における脱燐促進方法 | |
| JPS59159963A (ja) | 高クロム溶湯の溶製方法 | |
| JP2023147218A (ja) | 溶鉄の脱燐方法 | |
| RU2323980C2 (ru) | Способ выплавки стали | |
| JPH0437137B2 (de) | ||
| JPS60215706A (ja) | 溶銑の予備処理方法 | |
| JPS62188710A (ja) | 溶融還元法 | |
| JP2005048238A (ja) | 溶銑の脱燐方法 | |
| JPS61139614A (ja) | 製鋼法 | |
| JPH02125807A (ja) | 鉱石の溶融還元方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |