TWI557230B - From the blast furnace nozzle blowing oxygen equipment, and blast furnace operating methods - Google Patents

From the blast furnace nozzle blowing oxygen equipment, and blast furnace operating methods Download PDF

Info

Publication number
TWI557230B
TWI557230B TW102145361A TW102145361A TWI557230B TW I557230 B TWI557230 B TW I557230B TW 102145361 A TW102145361 A TW 102145361A TW 102145361 A TW102145361 A TW 102145361A TW I557230 B TWI557230 B TW I557230B
Authority
TW
Taiwan
Prior art keywords
oxygen
nitrogen
valve
pipe
blast furnace
Prior art date
Application number
TW102145361A
Other languages
English (en)
Chinese (zh)
Other versions
TW201441375A (zh
Inventor
Kimitoshi Mori
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 TW201441375A publication Critical patent/TW201441375A/zh
Application granted granted Critical
Publication of TWI557230B publication Critical patent/TWI557230B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process
    • 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
    • F27B1/16—Arrangements of tuyeres
    • 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
    • F27B1/20—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
    • F27D3/18—Charging particulate material using a fluid carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Blast Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
TW102145361A 2012-12-11 2013-12-10 From the blast furnace nozzle blowing oxygen equipment, and blast furnace operating methods TWI557230B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012270093 2012-12-11
JP2012270092 2012-12-11

Publications (2)

Publication Number Publication Date
TW201441375A TW201441375A (zh) 2014-11-01
TWI557230B true TWI557230B (zh) 2016-11-11

Family

ID=50934045

Family Applications (1)

Application Number Title Priority Date Filing Date
TW102145361A TWI557230B (zh) 2012-12-11 2013-12-10 From the blast furnace nozzle blowing oxygen equipment, and blast furnace operating methods

Country Status (6)

Country Link
JP (1) JP5888435B2 (ja)
KR (1) KR101671139B1 (ja)
CN (1) CN104854249B (ja)
BR (1) BR112015013245B1 (ja)
TW (1) TWI557230B (ja)
WO (1) WO2014091737A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI697563B (zh) * 2019-09-26 2020-07-01 中國鋼鐵股份有限公司 鋼胚加熱爐及抑制鋼胚表面脫碳層之厚度增加的方法
US11920204B2 (en) * 2020-10-06 2024-03-05 Midrex Technologies, Inc. Oxygen injection for reformer feed gas for direct reduction process
CN114369693B (zh) * 2022-01-12 2023-02-14 新疆八一钢铁股份有限公司 一种富氧高炉供氧系统、供氧方法及其控制方法
CN116300677A (zh) * 2023-03-23 2023-06-23 沈阳科维润工程技术有限公司 一种高炉风口局部富氧炉况均匀调剂装置及其使用方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03243704A (ja) * 1990-02-20 1991-10-30 Sumitomo Metal Ind Ltd 高炉羽口粉体吹き込み操業法
JPH05320726A (ja) * 1992-05-26 1993-12-03 Sumitomo Metal Ind Ltd 高炉への微粉炭吹込管の詰まり防止装置
JP2000226609A (ja) * 1999-02-08 2000-08-15 Nkk Corp ランスの異常監視方法
JP2001031247A (ja) * 1999-07-26 2001-02-06 Nkk Corp 粉粒体の気流搬送方法及び装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038147C (zh) * 1995-03-20 1998-04-22 北京科技大学 一种高炉氧煤喷吹氧气的气体供应及控制装置
CN102155626B (zh) * 2010-12-30 2012-10-24 安阳钢铁股份有限公司 一种氧气管道、球罐投用新方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03243704A (ja) * 1990-02-20 1991-10-30 Sumitomo Metal Ind Ltd 高炉羽口粉体吹き込み操業法
JPH05320726A (ja) * 1992-05-26 1993-12-03 Sumitomo Metal Ind Ltd 高炉への微粉炭吹込管の詰まり防止装置
JP2000226609A (ja) * 1999-02-08 2000-08-15 Nkk Corp ランスの異常監視方法
JP2001031247A (ja) * 1999-07-26 2001-02-06 Nkk Corp 粉粒体の気流搬送方法及び装置

Also Published As

Publication number Publication date
KR20150067764A (ko) 2015-06-18
WO2014091737A1 (ja) 2014-06-19
TW201441375A (zh) 2014-11-01
CN104854249B (zh) 2017-03-01
BR112015013245A2 (pt) 2017-07-11
BR112015013245B1 (pt) 2019-11-05
CN104854249A (zh) 2015-08-19
JP5888435B2 (ja) 2016-03-22
JPWO2014091737A1 (ja) 2017-01-05
KR101671139B1 (ko) 2016-10-31

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