JP7388563B2 - 電気炉および製鋼方法 - Google Patents

電気炉および製鋼方法 Download PDF

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Publication number
JP7388563B2
JP7388563B2 JP2022542155A JP2022542155A JP7388563B2 JP 7388563 B2 JP7388563 B2 JP 7388563B2 JP 2022542155 A JP2022542155 A JP 2022542155A JP 2022542155 A JP2022542155 A JP 2022542155A JP 7388563 B2 JP7388563 B2 JP 7388563B2
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Japan
Prior art keywords
furnace
burner
powder
electric furnace
fuel
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JP2022542155A
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English (en)
Japanese (ja)
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JPWO2022234762A5 (https=
JPWO2022234762A1 (https=
Inventor
太 小笠原
涼 川畑
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JFE Steel Corp
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JFE Steel Corp
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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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5294—General arrangement or layout of the electric melt shop
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • 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
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • 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
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
    • 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
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • 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
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
JP2022542155A 2021-05-07 2022-04-08 電気炉および製鋼方法 Active JP7388563B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021078969 2021-05-07
JP2021078969 2021-05-07
PCT/JP2022/017372 WO2022234762A1 (ja) 2021-05-07 2022-04-08 電気炉および製鋼方法

Publications (3)

Publication Number Publication Date
JPWO2022234762A1 JPWO2022234762A1 (https=) 2022-11-10
JPWO2022234762A5 JPWO2022234762A5 (https=) 2023-04-06
JP7388563B2 true JP7388563B2 (ja) 2023-11-29

Family

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JP2022542155A Active JP7388563B2 (ja) 2021-05-07 2022-04-08 電気炉および製鋼方法

Country Status (8)

Country Link
US (1) US20240191315A1 (https=)
EP (1) EP4303327A4 (https=)
JP (1) JP7388563B2 (https=)
KR (1) KR20240004790A (https=)
CN (1) CN117280048A (https=)
BR (1) BR112023022801A2 (https=)
TW (1) TWI817466B (https=)
WO (1) WO2022234762A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI881534B (zh) * 2023-03-07 2025-04-21 日商杰富意鋼鐵股份有限公司 鐵水的製造方法
EP4653554A4 (en) * 2023-03-07 2026-05-06 Jfe Steel Corp Molten-iron production method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327211A (ja) 2001-04-26 2002-11-15 Nkk Corp 冷鉄源の溶解方法
JP2010209436A (ja) 2009-03-12 2010-09-24 Jfe Steel Corp 溶鉄の昇熱方法
WO2016120943A1 (ja) 2015-01-27 2016-08-04 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
JP2018016832A (ja) 2016-07-26 2018-02-01 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
CN111748673B (zh) 2020-06-02 2021-06-11 北京科技大学 一种电弧炉炼钢用多功能氢氧烧嘴及供能控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW462990B (en) * 1998-03-03 2001-11-11 Nippon Kokan Kk Arc melting apparatus and method for cold iron source
US20050252430A1 (en) * 2002-12-30 2005-11-17 Satchell Donald P Jr Burner-lance and combustion method for heating surfaces susceptible to oxidation or reduction
TWI586446B (zh) * 2013-12-18 2017-06-11 國立清華大學 電弧爐收集之集塵灰運用於化學迴圈燃燒程序之方法
WO2018074166A1 (ja) * 2016-10-21 2018-04-26 Ｊｆｅスチール株式会社 電気炉用助燃バーナー
JP6833298B2 (ja) 2018-09-18 2021-02-24 中外炉工業株式会社 水素ガス燃焼装置
JP6833299B2 (ja) 2018-09-18 2021-02-24 中外炉工業株式会社 水素ガス燃焼装置
JP7064474B2 (ja) 2019-08-06 2022-05-10 中外炉工業株式会社 混焼バーナー
CN111763792A (zh) * 2020-07-08 2020-10-13 酒泉钢铁(集团)有限责任公司 一种不锈钢除尘灰转底炉-电炉还原处理工艺

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327211A (ja) 2001-04-26 2002-11-15 Nkk Corp 冷鉄源の溶解方法
JP2010209436A (ja) 2009-03-12 2010-09-24 Jfe Steel Corp 溶鉄の昇熱方法
WO2016120943A1 (ja) 2015-01-27 2016-08-04 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
JP2018016832A (ja) 2016-07-26 2018-02-01 Ｊｆｅスチール株式会社 電気炉による溶鉄の製造方法
CN111748673B (zh) 2020-06-02 2021-06-11 北京科技大学 一种电弧炉炼钢用多功能氢氧烧嘴及供能控制方法

Also Published As

Publication number Publication date
CN117280048A (zh) 2023-12-22
TW202248424A (zh) 2022-12-16
KR20240004790A (ko) 2024-01-11
EP4303327A1 (en) 2024-01-10
US20240191315A1 (en) 2024-06-13
BR112023022801A2 (pt) 2024-01-16
TWI817466B (zh) 2023-10-01
WO2022234762A1 (ja) 2022-11-10
EP4303327A4 (en) 2024-10-30
JPWO2022234762A1 (https=) 2022-11-10

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