TWI473883B - 轉爐煉鋼方法 - Google Patents
轉爐煉鋼方法 Download PDFInfo
- Publication number
- TWI473883B TWI473883B TW101148790A TW101148790A TWI473883B TW I473883 B TWI473883 B TW I473883B TW 101148790 A TW101148790 A TW 101148790A TW 101148790 A TW101148790 A TW 101148790A TW I473883 B TWI473883 B TW I473883B
- Authority
- TW
- Taiwan
- Prior art keywords
- gas
- dephosphorization
- nozzle
- dephosphorization refining
- spray gun
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 41
- 238000009628 steelmaking Methods 0.000 title claims description 28
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 206
- 238000007670 refining Methods 0.000 claims description 155
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 138
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 118
- 229910052760 oxygen Inorganic materials 0.000 claims description 118
- 239000001301 oxygen Substances 0.000 claims description 118
- 238000007664 blowing Methods 0.000 claims description 106
- 239000007789 gas Substances 0.000 claims description 104
- 239000000292 calcium oxide Substances 0.000 claims description 103
- 235000012255 calcium oxide Nutrition 0.000 claims description 103
- 239000003795 chemical substances by application Substances 0.000 claims description 98
- 229910052742 iron Inorganic materials 0.000 claims description 69
- 238000005261 decarburization Methods 0.000 claims description 63
- 239000007921 spray Substances 0.000 claims description 54
- 239000000843 powder Substances 0.000 claims description 53
- 239000002893 slag Substances 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 230000032258 transport Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 235000010216 calcium carbonate Nutrition 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000012159 carrier gas Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 33
- 229910052698 phosphorus Inorganic materials 0.000 description 33
- 239000011574 phosphorus Substances 0.000 description 33
- 230000000052 comparative effect Effects 0.000 description 32
- 238000003801 milling Methods 0.000 description 31
- 238000002844 melting Methods 0.000 description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 13
- 239000000155 melt Substances 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 235000011941 Tilia x europaea Nutrition 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000004571 lime Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000011737 fluorine Substances 0.000 description 6
- 229910052731 fluorine Inorganic materials 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 5
- 239000010436 fluorite Substances 0.000 description 5
- 230000004927 fusion Effects 0.000 description 5
- 229910004261 CaF 2 Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000010459 dolomite Substances 0.000 description 3
- 229910000514 dolomite Inorganic materials 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—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
- 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
- C21C5/32—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
- 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
- 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
- C21C7/0645—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
- 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
-
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011278224 | 2011-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201331376A TW201331376A (zh) | 2013-08-01 |
| TWI473883B true TWI473883B (zh) | 2015-02-21 |
Family
ID=48668518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101148790A TWI473883B (zh) | 2011-12-20 | 2012-12-20 | 轉爐煉鋼方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9493854B2 (enExample) |
| EP (1) | EP2796569B1 (enExample) |
| JP (1) | JP5574060B2 (enExample) |
| KR (1) | KR101529843B1 (enExample) |
| CN (1) | CN104126019B (enExample) |
| IN (1) | IN2014KN01258A (enExample) |
| TW (1) | TWI473883B (enExample) |
| WO (1) | WO2013094634A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6180337B2 (ja) * | 2014-01-29 | 2017-08-16 | 株式会社神戸製鋼所 | 転炉型容器における上吹き条件を変更する脱りん処理方法 |
| JP6421731B2 (ja) * | 2015-09-17 | 2018-11-14 | Ｊｆｅスチール株式会社 | 転炉の操業方法 |
| JP6421732B2 (ja) * | 2015-09-17 | 2018-11-14 | Ｊｆｅスチール株式会社 | 転炉の操業方法 |
| RU2697113C1 (ru) * | 2016-02-24 | 2019-08-12 | ДжФЕ СТИЛ КОРПОРЕЙШН | Способ рафинирования расплавленной стали в оборудовании для вакуумной дегазации |
| US11542566B2 (en) * | 2016-12-27 | 2023-01-03 | Jfe Steel Corporation | Method for dephosphorization of hot metal, and refining agent |
| WO2018135351A1 (ja) * | 2017-01-18 | 2018-07-26 | Ｊｆｅスチール株式会社 | 溶銑の脱燐方法 |
| CN107213723A (zh) * | 2017-06-15 | 2017-09-29 | 石嘴山市荣华缘冶金有限责任公司 | 用于炼钢的压缩空气除油除水装置 |
| KR20200003114A (ko) * | 2017-08-21 | 2020-01-08 | 닛폰세이테츠 가부시키가이샤 | 전로 취련용 상취 랜스 및 용선의 정련 방법 |
| JP6926928B2 (ja) * | 2017-10-18 | 2021-08-25 | 日本製鉄株式会社 | 溶鋼の精錬方法 |
| CN108374070A (zh) * | 2018-05-04 | 2018-08-07 | 北京京科名创工程技术有限公司 | 喷吹注剂搅拌装置 |
| CN110218842A (zh) * | 2019-07-02 | 2019-09-10 | 马鞍山钢铁股份有限公司 | 一种铁水脱磷装置及方法 |
| JP7380444B2 (ja) * | 2020-06-24 | 2023-11-15 | Ｊｆｅスチール株式会社 | 転炉脱りん処理用上吹きランスおよび転炉吹錬方法 |
| CN116377172B (zh) * | 2023-03-19 | 2024-07-19 | 新疆八一钢铁股份有限公司 | 一种转炉高效脱磷的操作方法 |
| CN116334342B (zh) * | 2023-04-06 | 2024-06-14 | 广东中南钢铁股份有限公司 | 一种减少转炉高架水槽积渣的方法 |
| CN118345214B (zh) * | 2024-05-20 | 2025-11-21 | 马鞍山钢铁有限公司 | 转炉顶枪多功能组合式喷射设备及喷射工艺 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1192815A (ja) * | 1997-09-22 | 1999-04-06 | Nkk Corp | ダスト発生を抑制する転炉吹錬法 |
| JP2002105526A (ja) * | 2000-09-28 | 2002-04-10 | Nippon Steel Corp | 未滓化石灰が少ない溶銑脱燐方法 |
| JP2006336033A (ja) * | 2005-05-31 | 2006-12-14 | Jfe Steel Kk | 転炉吹錬方法及び転炉吹錬用上吹きランス |
| JP2010095786A (ja) * | 2008-10-20 | 2010-04-30 | Sumitomo Metal Ind Ltd | 溶銑の脱燐方法 |
| TW201130989A (en) * | 2009-10-22 | 2011-09-16 | Jfe Steel Corp | Top lance for refining, and method for refining molten iron using the same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185707A (ja) * | 1982-04-23 | 1983-10-29 | Sumitomo Metal Ind Ltd | 鋼の精錬法 |
| JP3402133B2 (ja) * | 1997-07-17 | 2003-04-28 | 住友金属工業株式会社 | 精錬用上吹きランスおよび精錬方法 |
| JPH1192814A (ja) * | 1997-09-22 | 1999-04-06 | Nkk Corp | ダスト発生を抑制する転炉吹錬方法 |
| JP4273688B2 (ja) * | 2000-11-16 | 2009-06-03 | Ｊｆｅスチール株式会社 | 転炉吹錬方法 |
| JP4686873B2 (ja) * | 2001-02-28 | 2011-05-25 | Ｊｆｅスチール株式会社 | 溶銑の脱燐方法 |
| JP3854482B2 (ja) * | 2001-09-27 | 2006-12-06 | 新日本製鐵株式会社 | 溶銑の予備処理方法及び精錬方法 |
| JP2006274349A (ja) | 2005-03-29 | 2006-10-12 | Sumitomo Metal Ind Ltd | 鋼の精錬方法 |
| JP4363367B2 (ja) * | 2005-06-07 | 2009-11-11 | 住友金属工業株式会社 | 転炉精錬方法 |
| JP2013133520A (ja) * | 2011-12-27 | 2013-07-08 | Jfe Steel Corp | 溶銑の脱燐精錬方法 |
-
2012
- 2012-12-19 JP JP2013550304A patent/JP5574060B2/ja active Active
- 2012-12-19 KR KR1020147015660A patent/KR101529843B1/ko active Active
- 2012-12-19 EP EP12859763.0A patent/EP2796569B1/en active Active
- 2012-12-19 WO PCT/JP2012/082905 patent/WO2013094634A1/ja not_active Ceased
- 2012-12-19 CN CN201280056824.XA patent/CN104126019B/zh active Active
- 2012-12-19 US US14/365,759 patent/US9493854B2/en active Active
- 2012-12-19 IN IN1258KON2014 patent/IN2014KN01258A/en unknown
- 2012-12-20 TW TW101148790A patent/TWI473883B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1192815A (ja) * | 1997-09-22 | 1999-04-06 | Nkk Corp | ダスト発生を抑制する転炉吹錬法 |
| JP2002105526A (ja) * | 2000-09-28 | 2002-04-10 | Nippon Steel Corp | 未滓化石灰が少ない溶銑脱燐方法 |
| JP2006336033A (ja) * | 2005-05-31 | 2006-12-14 | Jfe Steel Kk | 転炉吹錬方法及び転炉吹錬用上吹きランス |
| JP2010095786A (ja) * | 2008-10-20 | 2010-04-30 | Sumitomo Metal Ind Ltd | 溶銑の脱燐方法 |
| TW201130989A (en) * | 2009-10-22 | 2011-09-16 | Jfe Steel Corp | Top lance for refining, and method for refining molten iron using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2796569A1 (en) | 2014-10-29 |
| US20140311295A1 (en) | 2014-10-23 |
| CN104126019A (zh) | 2014-10-29 |
| TW201331376A (zh) | 2013-08-01 |
| US9493854B2 (en) | 2016-11-15 |
| JP5574060B2 (ja) | 2014-08-20 |
| JPWO2013094634A1 (ja) | 2015-04-27 |
| EP2796569B1 (en) | 2017-08-02 |
| WO2013094634A1 (ja) | 2013-06-27 |
| CN104126019B (zh) | 2017-06-23 |
| KR101529843B1 (ko) | 2015-06-17 |
| EP2796569A4 (en) | 2015-03-18 |
| IN2014KN01258A (enExample) | 2015-10-16 |
| KR20140090672A (ko) | 2014-07-17 |
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