TWI665308B - 轉爐吹煉用頂吹噴槍及熔鐵的精煉方法 - Google Patents
轉爐吹煉用頂吹噴槍及熔鐵的精煉方法 Download PDFInfo
- Publication number
- TWI665308B TWI665308B TW107128299A TW107128299A TWI665308B TW I665308 B TWI665308 B TW I665308B TW 107128299 A TW107128299 A TW 107128299A TW 107128299 A TW107128299 A TW 107128299A TW I665308 B TWI665308 B TW I665308B
- Authority
- TW
- Taiwan
- Prior art keywords
- spray gun
- blowing
- nozzle
- flow path
- cross
- Prior art date
Links
- 239000007921 spray Substances 0.000 title claims abstract description 94
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 74
- 238000007664 blowing Methods 0.000 title claims description 71
- 229910052742 iron Inorganic materials 0.000 title claims description 37
- 238000007670 refining Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 16
- 239000000843 powder Substances 0.000 claims description 65
- 239000007789 gas Substances 0.000 claims description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 23
- 229910052760 oxygen Inorganic materials 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 description 19
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000292 calcium oxide Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 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
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 239000004615 ingredient 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 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
- 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
- C21C5/30—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
-
- 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)
- Furnace Charging Or Discharging (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-158736 | 2017-08-21 | ||
| JP2017158736 | 2017-08-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201920692A TW201920692A (zh) | 2019-06-01 |
| TWI665308B true TWI665308B (zh) | 2019-07-11 |
Family
ID=65438715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW107128299A TWI665308B (zh) | 2017-08-21 | 2018-08-14 | 轉爐吹煉用頂吹噴槍及熔鐵的精煉方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6721129B2 (fr) |
| KR (1) | KR20200003114A (fr) |
| CN (1) | CN110621792A (fr) |
| TW (1) | TWI665308B (fr) |
| WO (1) | WO2019039285A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2025234449A1 (fr) * | 2024-05-10 | 2025-11-13 | 日本製鉄株式会社 | Procédé de soufflage de matière carbonée dans un four électrique et lance d'alimentation en charbon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10287909A (ja) * | 1997-04-15 | 1998-10-27 | Sumitomo Metal Ind Ltd | 転炉吹錬兼炉口地金溶解用上吹きランス |
| JP2017020072A (ja) * | 2015-07-10 | 2017-01-26 | 新日鐵住金株式会社 | 含鉄原料の転炉溶解方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2903211A1 (de) * | 1979-01-27 | 1980-07-31 | Stiftelsen Metallurg Forsk | Lanze zum einspritzen von pulverfoermigem material in eine metallschmelze |
| US4426224A (en) * | 1981-12-25 | 1984-01-17 | Sumitomo Kinzoku Kogyo Kabushiki Gaisha | Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance |
| JPH0626758B2 (ja) * | 1990-03-01 | 1994-04-13 | 新日本製鐵株式会社 | 連続鋳造装置におけるモールドの付着物除去装置 |
| DE69627819T2 (de) * | 1995-01-06 | 2004-04-01 | Nippon Steel Corp. | Verfahren zum frischen in einem konverter von oben mit hervorragenden enthohlungseigenschaften und blaslanze zum frischen von oben |
| JP2001280608A (ja) * | 2000-03-31 | 2001-10-10 | Sumitomo Heavy Ind Ltd | ランス及び燃焼炎調節方法 |
| JP4448231B2 (ja) * | 2000-05-10 | 2010-04-07 | 新日本製鐵株式会社 | 膨張制御ラバールノズルを有する吹錬用上吹きランス |
| JP3772750B2 (ja) | 2002-01-28 | 2006-05-10 | 住友金属工業株式会社 | 精錬用ランス |
| JP3849571B2 (ja) * | 2002-05-14 | 2006-11-22 | Ｊｆｅスチール株式会社 | 転炉吹錬方法 |
| US6773484B2 (en) * | 2002-06-26 | 2004-08-10 | Praxair Technology, Inc. | Extensionless coherent jet system with aligned flame envelope ports |
| JP5353463B2 (ja) * | 2009-06-17 | 2013-11-27 | 新日鐵住金株式会社 | 溶銑の脱りん方法 |
| JP5516375B2 (ja) * | 2010-12-02 | 2014-06-11 | 新日鐵住金株式会社 | 溶銑の精錬方法 |
| JP2012251199A (ja) | 2011-06-02 | 2012-12-20 | Sumitomo Metal Ind Ltd | 溶銑の精錬方法 |
| CN103890199B (zh) * | 2011-10-17 | 2016-01-20 | 杰富意钢铁株式会社 | 粉体吹入喷枪和使用该粉体吹入喷枪的熔融铁的精炼方法 |
| US9493854B2 (en) * | 2011-12-20 | 2016-11-15 | Jfe Steel Corporation | Converter steelmaking method |
| CN202595160U (zh) * | 2012-04-13 | 2012-12-12 | 张昭贵 | 一种煤粉喷嘴 |
| JP6451364B2 (ja) * | 2015-02-04 | 2019-01-16 | 新日鐵住金株式会社 | 溶融金属精錬用上吹きランス |
| 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 |
-
2018
- 2018-08-08 CN CN201880031872.0A patent/CN110621792A/zh active Pending
- 2018-08-08 WO PCT/JP2018/029747 patent/WO2019039285A1/fr not_active Ceased
- 2018-08-08 KR KR1020197035403A patent/KR20200003114A/ko not_active Ceased
- 2018-08-08 JP JP2019538062A patent/JP6721129B2/ja active Active
- 2018-08-14 TW TW107128299A patent/TWI665308B/zh not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10287909A (ja) * | 1997-04-15 | 1998-10-27 | Sumitomo Metal Ind Ltd | 転炉吹錬兼炉口地金溶解用上吹きランス |
| JP2017020072A (ja) * | 2015-07-10 | 2017-01-26 | 新日鐵住金株式会社 | 含鉄原料の転炉溶解方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019039285A1 (fr) | 2019-02-28 |
| JP6721129B2 (ja) | 2020-07-08 |
| KR20200003114A (ko) | 2020-01-08 |
| JPWO2019039285A1 (ja) | 2019-11-21 |
| TW201920692A (zh) | 2019-06-01 |
| CN110621792A (zh) | 2019-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |