EP3950967A4 - Blast furnace wall-cooling staves - Google Patents

Blast furnace wall-cooling staves Download PDF

Info

Publication number
EP3950967A4
EP3950967A4 EP20776450.7A EP20776450A EP3950967A4 EP 3950967 A4 EP3950967 A4 EP 3950967A4 EP 20776450 A EP20776450 A EP 20776450A EP 3950967 A4 EP3950967 A4 EP 3950967A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
furnace wall
cooling staves
staves
cooling
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20776450.7A
Other languages
German (de)
French (fr)
Other versions
EP3950967A1 (en
Inventor
Katsunori Kikuchi
Hisao Kusumoto
Mikio Ochi
Yukimasa HORIKAWA
Yuki Yamasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3950967A1 publication Critical patent/EP3950967A1/en
Publication of EP3950967A4 publication Critical patent/EP3950967A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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 peculiar to furnaces of these types
    • F27B1/24—Cooling arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/10—Cooling; Devices therefor
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/04—Blast furnaces with special refractories
    • C21B7/06—Linings for 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/44—Refractory linings
    • 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
    • C21C5/4646—Cooling arrangements
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/14—Supports for linings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
EP20776450.7A 2019-03-27 2020-03-25 Blast furnace wall-cooling staves Pending EP3950967A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019059836 2019-03-27
PCT/JP2020/013231 WO2020196589A1 (en) 2019-03-27 2020-03-25 Blast furnace wall-cooling staves

Publications (2)

Publication Number Publication Date
EP3950967A1 EP3950967A1 (en) 2022-02-09
EP3950967A4 true EP3950967A4 (en) 2022-06-01

Family

ID=72612027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20776450.7A Pending EP3950967A4 (en) 2019-03-27 2020-03-25 Blast furnace wall-cooling staves

Country Status (6)

Country Link
EP (1) EP3950967A4 (en)
JP (1) JP7140270B2 (en)
KR (1) KR102573457B1 (en)
CN (1) CN113631727A (en)
BR (1) BR112021018935A2 (en)
WO (1) WO2020196589A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114622046A (en) * 2022-02-10 2022-06-14 李宇 Blast furnace cast copper cooling wall

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7331936U (en) * 1972-10-19 1974-02-07 Didier Werke Ag Cooling element, especially for the cooling system of blast furnaces
JPH05320727A (en) * 1992-05-22 1993-12-03 Sumitomo Metal Ind Ltd Stave cooler provided with brick holding mechanism
JP2003183712A (en) * 2002-11-29 2003-07-03 Jfe Engineering Kk Structural member of furnace body for vertical metallurgical furnace

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1582983A (en) * 1976-08-09 1981-01-21 Rca Corp Colour video signal processing circuits
JPS61153217A (en) * 1984-12-27 1986-07-11 Nippon Steel Corp Method for adjusting position to attach stave
RU2023009C1 (en) * 1991-05-22 1994-11-15 Носенко Виталий Иванович Apparatus for cooling casting of blast furnace
JP3796981B2 (en) 1998-10-16 2006-07-12 Ｊｆｅスチール株式会社 Stave
CN100343395C (en) 2002-03-12 2007-10-17 Km欧洲钢铁股份有限公司 Cooling element
CN2551654Y (en) * 2002-04-06 2003-05-21 张明正 Cantilevered cooling brick wall for blast furnace
CN200978288Y (en) * 2006-11-03 2007-11-21 聂桂秋 Blast furnace hearth side wall inner lining
JP5691786B2 (en) * 2011-04-19 2015-04-01 新日鐵住金株式会社 Stave
CN202216542U (en) * 2011-08-30 2012-05-09 汕头华兴冶金设备股份有限公司 Copper cooling wall of high temperature furnace
CN203256287U (en) * 2013-05-30 2013-10-30 河北天宇高科冶金铸造有限公司 Lattice brick-inserted cooling wall
JP2014234536A (en) * 2013-06-03 2014-12-15 株式会社Ihi Stave cooler, method of producing stave cooler and blast furnace provided with the stave cooler
JP6587488B2 (en) * 2015-10-05 2019-10-09 日鉄エンジニアリング株式会社 Stave cooler
CN205205161U (en) * 2015-12-20 2016-05-04 武汉钢铁(集团)公司 Enhanced heat transfer's blast furnace stave

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7331936U (en) * 1972-10-19 1974-02-07 Didier Werke Ag Cooling element, especially for the cooling system of blast furnaces
JPH05320727A (en) * 1992-05-22 1993-12-03 Sumitomo Metal Ind Ltd Stave cooler provided with brick holding mechanism
JP2003183712A (en) * 2002-11-29 2003-07-03 Jfe Engineering Kk Structural member of furnace body for vertical metallurgical furnace

Also Published As

Publication number Publication date
WO2020196589A1 (en) 2020-10-01
JPWO2020196589A1 (en) 2020-10-01
KR20210122826A (en) 2021-10-12
KR102573457B1 (en) 2023-08-31
CN113631727A (en) 2021-11-09
EP3950967A1 (en) 2022-02-09
JP7140270B2 (en) 2022-09-21
BR112021018935A2 (en) 2021-11-30

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Effective date: 20220503

RIC1 Information provided on ipc code assigned before grant

Ipc: F27B 1/24 20060101ALI20220426BHEP

Ipc: F27D 1/12 20060101ALI20220426BHEP

Ipc: C21B 7/10 20060101AFI20220426BHEP

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