IN2014DN07088A - - Google Patents
Info
- Publication number
- IN2014DN07088A IN2014DN07088A IN7088DEN2014A IN2014DN07088A IN 2014DN07088 A IN2014DN07088 A IN 2014DN07088A IN 7088DEN2014 A IN7088DEN2014 A IN 7088DEN2014A IN 2014DN07088 A IN2014DN07088 A IN 2014DN07088A
- Authority
- IN
- India
- Prior art keywords
- flow path
- refining
- supply flow
- oxidizing gas
- hot metal
- Prior art date
Links
- 239000007789 gas Substances 0.000 abstract 8
- 238000007670 refining Methods 0.000 abstract 7
- 230000001590 oxidative effect Effects 0.000 abstract 6
- 238000002485 combustion reaction Methods 0.000 abstract 5
- 239000002184 metal Substances 0.000 abstract 5
- 229910052751 metal Inorganic materials 0.000 abstract 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 238000007664 blowing Methods 0.000 abstract 4
- 239000000843 powder Substances 0.000 abstract 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002737 fuel gas Substances 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005261 decarburization Methods 0.000 abstract 1
- 230000020169 heat generation Effects 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 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
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
-
- 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
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- 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
- C21C2250/00—Specific additives; Means for adding material different from burners or lances
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012075928 | 2012-03-29 | ||
| JP2012239975A JP6036172B2 (ja) | 2012-03-29 | 2012-10-31 | 転炉における溶銑の精錬方法 |
| PCT/JP2013/001997 WO2013145686A1 (ja) | 2012-03-29 | 2013-03-25 | 転炉における溶銑の精錬方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014DN07088A true IN2014DN07088A (de) | 2015-04-10 |
Family
ID=49258990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN7088DEN2014 IN2014DN07088A (de) | 2012-03-29 | 2013-03-25 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9957581B2 (de) |
| EP (1) | EP2808407B1 (de) |
| JP (1) | JP6036172B2 (de) |
| KR (1) | KR101684378B1 (de) |
| CN (1) | CN104245965B (de) |
| BR (1) | BR112014023560B1 (de) |
| IN (1) | IN2014DN07088A (de) |
| TR (1) | TR201808805T4 (de) |
| TW (1) | TWI544082B (de) |
| WO (1) | WO2013145686A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6398306B2 (ja) * | 2014-05-14 | 2018-10-03 | 新日鐵住金株式会社 | 含鉄原料の転炉溶解方法 |
| JP6466733B2 (ja) * | 2015-02-18 | 2019-02-06 | 株式会社神戸製鋼所 | 溶銑の脱りん処理における固体酸素源の供給方法 |
| KR101651221B1 (ko) | 2015-04-21 | 2016-08-25 | 충남대학교산학협력단 | 화염 쏠림 방지 렌스 |
| JP6327298B2 (ja) * | 2015-09-01 | 2018-05-23 | Ｊｆｅスチール株式会社 | 溶銑の精錬方法 |
| MY199365A (en) * | 2017-09-28 | 2023-10-24 | Taiyo Nippon Sanso Corp | Method for operating melting/refining furnace and melting/refining furnace |
| TWI735668B (zh) * | 2017-09-29 | 2021-08-11 | 日商大陽日酸股份有限公司 | 熔解、精鍊爐的操作方法及熔解、精鍊爐 |
| CN111809019B (zh) * | 2020-06-30 | 2021-12-03 | 东北大学 | 一种利用高炉灰的高炉铁水脱碳方法 |
| CN111826499B (zh) * | 2020-06-30 | 2021-12-03 | 东北大学 | 一种基于转炉lt除尘灰的高炉铁水脱碳处理方法 |
| KR102879342B1 (ko) * | 2021-01-26 | 2025-10-30 | 제이에프이 스틸 가부시키가이샤 | 용철의 정련 방법 |
| KR102871978B1 (ko) * | 2021-02-01 | 2025-10-15 | 제이에프이 스틸 가부시키가이샤 | 전로의 상취 랜스의 제어 방법, 부원료 첨가 방법 및 용철의 정련 방법 |
| CN115323101B (zh) * | 2022-08-02 | 2023-12-15 | 鞍钢股份有限公司 | 一种转炉氧枪快速打火的方法 |
| WO2025192355A1 (ja) * | 2024-03-15 | 2025-09-18 | Ｊｆｅスチール株式会社 | 溶鉄の精錬方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2949794C2 (de) | 1979-12-11 | 1984-01-19 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren, einer Eisenschmelze im Konverter Kohlenstoff zuzuführen |
| US4642047A (en) * | 1984-08-17 | 1987-02-10 | American Combustion, Inc. | Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining |
| JP3577365B2 (ja) | 1995-06-30 | 2004-10-13 | 新日本製鐵株式会社 | 溶銑の予備処理方法 |
| JPH1180825A (ja) | 1997-09-09 | 1999-03-26 | Nippon Steel Corp | 転炉精錬用上吹きランスおよびそれによる転炉精錬方法 |
| JP2001323312A (ja) | 2000-05-12 | 2001-11-22 | Nippon Steel Corp | 二次燃焼による反応熱の利用方法 |
| JP4735169B2 (ja) * | 2005-09-30 | 2011-07-27 | Ｊｆｅスチール株式会社 | 溶銑の脱燐処理方法 |
| US8475561B2 (en) * | 2008-03-25 | 2013-07-02 | Kobe Steel, Ltd. | Method for producing molten iron |
| BRPI0918626A2 (pt) * | 2008-09-16 | 2015-12-01 | Istc Co Ltd | processo para produção de ferro fundido |
| JP2010156025A (ja) * | 2008-12-29 | 2010-07-15 | Jfe Steel Corp | 溶融還元炉の粉粒物装入用バーナーランスおよび溶融還元による金属溶湯の製造方法 |
| JP2012031452A (ja) * | 2010-07-29 | 2012-02-16 | Jfe Steel Corp | 溶銑の脱燐処理方法 |
-
2012
- 2012-10-31 JP JP2012239975A patent/JP6036172B2/ja active Active
-
2013
- 2013-03-25 BR BR112014023560-0A patent/BR112014023560B1/pt active IP Right Grant
- 2013-03-25 TR TR2018/08805T patent/TR201808805T4/tr unknown
- 2013-03-25 WO PCT/JP2013/001997 patent/WO2013145686A1/ja not_active Ceased
- 2013-03-25 KR KR1020147028132A patent/KR101684378B1/ko active Active
- 2013-03-25 US US14/382,720 patent/US9957581B2/en active Active
- 2013-03-25 IN IN7088DEN2014 patent/IN2014DN07088A/en unknown
- 2013-03-25 EP EP13767440.4A patent/EP2808407B1/de active Active
- 2013-03-25 CN CN201380018191.8A patent/CN104245965B/zh active Active
- 2013-03-28 TW TW102111031A patent/TWI544082B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013227650A (ja) | 2013-11-07 |
| JP6036172B2 (ja) | 2016-11-30 |
| TR201808805T4 (tr) | 2018-07-23 |
| EP2808407A1 (de) | 2014-12-03 |
| CN104245965B (zh) | 2016-07-20 |
| TW201343922A (zh) | 2013-11-01 |
| CN104245965A (zh) | 2014-12-24 |
| WO2013145686A1 (ja) | 2013-10-03 |
| US20150020648A1 (en) | 2015-01-22 |
| EP2808407B1 (de) | 2018-05-23 |
| KR101684378B1 (ko) | 2016-12-08 |
| TWI544082B (zh) | 2016-08-01 |
| BR112014023560B1 (pt) | 2020-02-18 |
| US9957581B2 (en) | 2018-05-01 |
| KR20140133602A (ko) | 2014-11-19 |
| EP2808407A4 (de) | 2015-09-02 |
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