EP3730631A4 - Blast furnace stove device and method for operating blast furnace stove device - Google Patents

Blast furnace stove device and method for operating blast furnace stove device Download PDF

Info

Publication number
EP3730631A4
EP3730631A4 EP18892629.9A EP18892629A EP3730631A4 EP 3730631 A4 EP3730631 A4 EP 3730631A4 EP 18892629 A EP18892629 A EP 18892629A EP 3730631 A4 EP3730631 A4 EP 3730631A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
stove device
furnace stove
operating
operating blast
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.)
Granted
Application number
EP18892629.9A
Other languages
German (de)
French (fr)
Other versions
EP3730631B1 (en
EP3730631A1 (en
Inventor
Kengo Usui
Shoji FURUTACHI
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.)
Nippon Steel Engineering Co Ltd
Original Assignee
Nippon Steel Engineering Co Ltd
Nippon Steel Plant Designing 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 Nippon Steel Engineering Co Ltd, Nippon Steel Plant Designing Corp filed Critical Nippon Steel Engineering Co Ltd
Publication of EP3730631A1 publication Critical patent/EP3730631A1/en
Publication of EP3730631A4 publication Critical patent/EP3730631A4/en
Application granted granted Critical
Publication of EP3730631B1 publication Critical patent/EP3730631B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/007—Controlling or regulating of the top pressure
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/02—Brick hot-blast stoves
    • C21B9/04—Brick hot-blast stoves with combustion shaft
    • 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
    • F27B1/22—Arrangements of heat-exchange apparatus
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Air Supply (AREA)
  • Blast Furnaces (AREA)
  • Massaging Devices (AREA)
  • Vending Machines For Individual Products (AREA)
  • Electric Stoves And Ranges (AREA)
EP18892629.9A 2017-12-18 2018-08-31 Blast furnace stove device and method for operating blast furnace stove device Active EP3730631B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017242038A JP6954824B2 (en) 2017-12-18 2017-12-18 Hot air furnace equipment and hot air furnace operation method
PCT/JP2018/032444 WO2019123727A1 (en) 2017-12-18 2018-08-31 Blast furnace stove device and method for operating blast furnace stove device

Publications (3)

Publication Number Publication Date
EP3730631A1 EP3730631A1 (en) 2020-10-28
EP3730631A4 true EP3730631A4 (en) 2021-09-29
EP3730631B1 EP3730631B1 (en) 2023-09-27

Family

ID=66994010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18892629.9A Active EP3730631B1 (en) 2017-12-18 2018-08-31 Blast furnace stove device and method for operating blast furnace stove device

Country Status (7)

Country Link
EP (1) EP3730631B1 (en)
JP (1) JP6954824B2 (en)
KR (1) KR102443024B1 (en)
CN (1) CN111684083A (en)
BR (1) BR112020012112B1 (en)
RU (1) RU2769340C2 (en)
WO (1) WO2019123727A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113564294B (en) * 2021-07-29 2022-06-28 郑州豫兴热风炉科技有限公司 Efficient conversion device for non-fluctuation furnace change of hot blast stove and control method
CN114752721B (en) * 2022-03-23 2023-08-25 马鞍山钢铁股份有限公司 Single-seat blast furnace fan supply protection system and control method thereof
CN115287386B (en) * 2022-06-30 2023-09-01 山东省冶金设计院股份有限公司 Pressure equalizing system and method for full recovery of waste gas of hot blast stove

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247417A (en) * 1969-05-22 1971-09-22 Armco Steel Corp Method of blast furnace reduction of iron ores
GB2513185A (en) * 2013-04-19 2014-10-22 Siemens Vai Metals Tech Gmbh Blast furnace plant

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161505A (en) * 1978-06-12 1979-12-21 Kawasaki Steel Co Blast gas pressure rizing for hot blast furnace
JPS55122812A (en) * 1979-03-14 1980-09-20 Kawasaki Steel Corp High pressure operating method of hot stove
JPS57126906A (en) * 1981-01-28 1982-08-06 Kawasaki Steel Corp Method of raising pressure of blast furnace gas for hot blast stove
JPS59143008A (en) 1983-02-02 1984-08-16 Nippon Steel Corp Hot stove device performing high pressure combustion
JPS6089258U (en) * 1983-11-26 1985-06-19 新日本製鐵株式会社 Hot air generator for blast furnace
RU2277127C1 (en) * 2005-01-17 2006-05-27 Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет - УПИ" Method of injection of the hot reducing gases in the blast furnace
JP2016204728A (en) * 2015-04-28 2016-12-08 株式会社Ihi Dust removal mechanism and blast furnace

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247417A (en) * 1969-05-22 1971-09-22 Armco Steel Corp Method of blast furnace reduction of iron ores
GB2513185A (en) * 2013-04-19 2014-10-22 Siemens Vai Metals Tech Gmbh Blast furnace plant

Also Published As

Publication number Publication date
BR112020012112B1 (en) 2023-10-31
JP2019108583A (en) 2019-07-04
EP3730631B1 (en) 2023-09-27
EP3730631A1 (en) 2020-10-28
KR102443024B1 (en) 2022-09-13
CN111684083A (en) 2020-09-18
KR20200096635A (en) 2020-08-12
RU2769340C2 (en) 2022-03-30
RU2020119665A (en) 2022-01-20
JP6954824B2 (en) 2021-10-27
BR112020012112A2 (en) 2020-11-24
RU2020119665A3 (en) 2022-01-20
WO2019123727A1 (en) 2019-06-27

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