TWI802184B - 熔鐵的精煉方法 - Google Patents

熔鐵的精煉方法 Download PDF

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Publication number
TWI802184B
TWI802184B TW110149101A TW110149101A TWI802184B TW I802184 B TWI802184 B TW I802184B TW 110149101 A TW110149101 A TW 110149101A TW 110149101 A TW110149101 A TW 110149101A TW I802184 B TWI802184 B TW I802184B
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TW
Taiwan
Prior art keywords
molten iron
iron
refining
melting
cold
Prior art date
Application number
TW110149101A
Other languages
English (en)
Chinese (zh)
Other versions
TW202237864A (zh
Inventor
小笠原太
服部雄大
横森玲
川畑涼
Original Assignee
日商Ｊｆｅ鋼鐵股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日商Ｊｆｅ鋼鐵股份有限公司 filed Critical 日商Ｊｆｅ鋼鐵股份有限公司
Publication of TW202237864A publication Critical patent/TW202237864A/zh
Application granted granted Critical
Publication of TWI802184B publication Critical patent/TWI802184B/zh

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    • 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
    • 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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/20—Arrangements of devices for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/08—Particular sequence of the process steps
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
    • 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)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
TW110149101A 2021-01-26 2021-12-28 熔鐵的精煉方法 TWI802184B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-010198 2021-01-26
JP2021010198 2021-01-26

Publications (2)

Publication Number Publication Date
TW202237864A TW202237864A (zh) 2022-10-01
TWI802184B true TWI802184B (zh) 2023-05-11

Family

ID=82654415

Family Applications (1)

Application Number Title Priority Date Filing Date
TW110149101A TWI802184B (zh) 2021-01-26 2021-12-28 熔鐵的精煉方法

Country Status (7)

Country Link
US (1) US20240060149A1 (https=)
EP (1) EP4273273A4 (https=)
JP (1) JP7211557B2 (https=)
KR (1) KR102879341B1 (https=)
CN (1) CN116745438A (https=)
TW (1) TWI802184B (https=)
WO (1) WO2022163200A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013047371A (ja) * 2011-07-27 2013-03-07 Jfe Steel Corp 溶鉄の精錬方法
JP2013133484A (ja) * 2011-12-26 2013-07-08 Jfe Steel Corp 転炉精錬方法
TW201945549A (zh) * 2018-04-24 2019-12-01 日商日本製鐵股份有限公司 熔銑的脫磷方法
TW202039868A (zh) * 2019-04-19 2020-11-01 日商日本製鐵股份有限公司 含鉻熔鐵之製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169318A (ja) 1986-12-29 1988-07-13 Kawasaki Steel Corp 溶銑脱りん法
JPH0472007A (ja) * 1990-07-10 1992-03-06 Nippon Steel Corp 溶鋼製造法
JP4411934B2 (ja) * 2003-10-28 2010-02-10 Ｊｆｅスチール株式会社 低燐溶銑の製造方法
JP5413043B2 (ja) * 2009-08-10 2014-02-12 Ｊｆｅスチール株式会社 大量の鉄スクラップを用いた転炉製鋼方法
CN102747181B (zh) * 2011-04-18 2015-01-07 宝山钢铁股份有限公司 9Ni钢的冶炼方法
KR101606255B1 (ko) * 2011-07-19 2016-03-24 제이에프이 스틸 가부시키가이샤 용선의 정련 방법
JP5408369B2 (ja) * 2012-01-19 2014-02-05 Ｊｆｅスチール株式会社 溶銑の予備処理方法
IN2015KN00602A (https=) * 2012-10-30 2015-07-17 Jfe Steel Corp
CN108779506B (zh) * 2016-07-14 2023-07-25 日本制铁株式会社 钢水中磷浓度估计方法和转炉吹炼控制装置
JP6693536B2 (ja) * 2017-04-18 2020-05-13 Ｊｆｅスチール株式会社 転炉製鋼方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013047371A (ja) * 2011-07-27 2013-03-07 Jfe Steel Corp 溶鉄の精錬方法
JP2013133484A (ja) * 2011-12-26 2013-07-08 Jfe Steel Corp 転炉精錬方法
TW201945549A (zh) * 2018-04-24 2019-12-01 日商日本製鐵股份有限公司 熔銑的脫磷方法
TW202039868A (zh) * 2019-04-19 2020-11-01 日商日本製鐵股份有限公司 含鉻熔鐵之製造方法

Also Published As

Publication number Publication date
KR20230133977A (ko) 2023-09-19
WO2022163200A1 (ja) 2022-08-04
KR102879341B1 (ko) 2025-10-30
JP7211557B2 (ja) 2023-01-24
CN116745438A (zh) 2023-09-12
EP4273273A1 (en) 2023-11-08
JPWO2022163200A1 (https=) 2022-08-04
EP4273273A4 (en) 2024-07-10
US20240060149A1 (en) 2024-02-22
TW202237864A (zh) 2022-10-01

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