EP3712281A4 - Blast control device for blast furnace and method therefor - Google Patents

Blast control device for blast furnace and method therefor Download PDF

Info

Publication number
EP3712281A4
EP3712281A4 EP18879916.7A EP18879916A EP3712281A4 EP 3712281 A4 EP3712281 A4 EP 3712281A4 EP 18879916 A EP18879916 A EP 18879916A EP 3712281 A4 EP3712281 A4 EP 3712281A4
Authority
EP
European Patent Office
Prior art keywords
blast
control device
method therefor
blast furnace
furnace
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
EP18879916.7A
Other languages
German (de)
French (fr)
Other versions
EP3712281A1 (en
EP3712281B1 (en
Inventor
Sang Han Son
Ji Hoon Na
Inhyeon JEONG
Ji-Sung Park
Gi Wan Son
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3712281A4 publication Critical patent/EP3712281A4/en
Publication of EP3712281A1 publication Critical patent/EP3712281A1/en
Application granted granted Critical
Publication of EP3712281B1 publication Critical patent/EP3712281B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0014—Devices for monitoring temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
    • 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
    • F27B1/26—Arrangements of controlling 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/28—Arrangements of monitoring devices, of indicators, of alarm devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2300/00—Process aspects
    • C21B2300/04—Modeling of the process, e.g. for control purposes; CII
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • F27D2019/004—Fuel quantity
    • F27D2019/0043—Amount of air or O2 to the burner
    • 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
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D2021/0007—Monitoring the pressure

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)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Blast Furnaces (AREA)
  • Air Transport Of Granular Materials (AREA)
EP18879916.7A 2017-11-14 2018-07-04 Blast control device for blast furnace and method therefor Active EP3712281B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170151770A KR102002428B1 (en) 2017-11-14 2017-11-14 Apparatus and method for controlling blow of blast furnace
PCT/KR2018/007588 WO2019098484A1 (en) 2017-11-14 2018-07-04 Blast control device for blast furnace and method therefor

Publications (3)

Publication Number Publication Date
EP3712281A4 true EP3712281A4 (en) 2020-09-23
EP3712281A1 EP3712281A1 (en) 2020-09-23
EP3712281B1 EP3712281B1 (en) 2023-02-15

Family

ID=66538640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18879916.7A Active EP3712281B1 (en) 2017-11-14 2018-07-04 Blast control device for blast furnace and method therefor

Country Status (5)

Country Link
EP (1) EP3712281B1 (en)
JP (1) JP7012159B2 (en)
KR (1) KR102002428B1 (en)
CN (1) CN111344420A (en)
WO (1) WO2019098484A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100508379B1 (en) * 2002-12-10 2005-08-17 엔프라니 주식회사 Method for Preparing Polysaccharide from Taxus Fruits, and Cosmetic Composition Containing Thereof
JP7380604B2 (en) 2021-01-12 2023-11-15 Ｊｆｅスチール株式会社 Learning model generation method, learning model generation device, blast furnace control guidance method, and hot metal manufacturing method
CN113793308A (en) * 2021-08-25 2021-12-14 北京科技大学 Intelligent pellet quality rating method and device based on neural network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466304A (en) * 1977-11-08 1979-05-28 Nippon Kokan Kk <Nkk> Method and apparatus for judging furnace conditions of blast furnace
JPS5855512A (en) * 1981-09-29 1983-04-01 Kawasaki Steel Corp Method for judging condition of blast furnace
JPH01205008A (en) * 1988-02-12 1989-08-17 Nkk Corp Apparatus for controlling furnace heat in blast furnace

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61147804A (en) * 1984-12-18 1986-07-05 Sumitomo Metal Ind Ltd Blast furnace operating method
JPS6283410A (en) * 1985-10-08 1987-04-16 Sumitomo Metal Ind Ltd Operating method for blast furnace
JPH0637650B2 (en) * 1988-12-22 1994-05-18 川崎製鉄株式会社 Blast furnace blast flow control method
JPH03236409A (en) * 1990-02-13 1991-10-22 Nkk Corp Method for controlling grain size of raw material to be charged in blast furnace
JPH0598322A (en) * 1991-10-02 1993-04-20 Nkk Corp Method for controlling grain size of charging material into blast furnace
JP4901462B2 (en) * 2006-12-27 2012-03-21 新日本製鐵株式会社 Gas flow state monitoring method, monitoring apparatus, and computer program for furnace top
KR101605206B1 (en) * 2009-12-21 2016-03-21 주식회사 포스코 Appartus for controlling hot-air temperature in hot stove system
KR101277973B1 (en) * 2011-07-28 2013-06-27 현대제철 주식회사 Method for controlling blow energy of blast furnace
GB2509227B (en) * 2012-12-21 2015-03-18 Siemens Plc A method for supplying blast to a blast furnace
KR101466499B1 (en) * 2013-07-26 2014-11-28 현대제철 주식회사 Visualization method of cohesive zone shape in a blast furnace
JP6044536B2 (en) * 2013-12-27 2016-12-14 Ｊｆｅスチール株式会社 Blast furnace charge detector
CN105177199B (en) * 2015-08-31 2017-04-19 南京南瑞继保电气有限公司 Blast furnace gas generation amount soft measurement method
CN106521066A (en) * 2016-12-23 2017-03-22 天津市三特电子有限公司 Blast furnace burden particle size monitoring system and distributed data on-line analysis method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466304A (en) * 1977-11-08 1979-05-28 Nippon Kokan Kk <Nkk> Method and apparatus for judging furnace conditions of blast furnace
JPS5855512A (en) * 1981-09-29 1983-04-01 Kawasaki Steel Corp Method for judging condition of blast furnace
JPH01205008A (en) * 1988-02-12 1989-08-17 Nkk Corp Apparatus for controlling furnace heat in blast furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019098484A1 *

Also Published As

Publication number Publication date
KR20190054794A (en) 2019-05-22
EP3712281A1 (en) 2020-09-23
JP7012159B2 (en) 2022-01-27
WO2019098484A1 (en) 2019-05-23
KR102002428B1 (en) 2019-07-22
CN111344420A (en) 2020-06-26
EP3712281B1 (en) 2023-02-15
JP2021503042A (en) 2021-02-04

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