JP7359336B1 - 高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置 - Google Patents

高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置 Download PDF

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JP7359336B1
JP7359336B1 JP2023532833A JP2023532833A JP7359336B1 JP 7359336 B1 JP7359336 B1 JP 7359336B1 JP 2023532833 A JP2023532833 A JP 2023532833A JP 2023532833 A JP2023532833 A JP 2023532833A JP 7359336 B1 JP7359336 B1 JP 7359336B1
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Prior art keywords
blast furnace
image
slag level
average brightness
tuyere
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Japanese (ja)
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JPWO2023188880A1 (https=
JPWO2023188880A5 (https=
Inventor
宏 安原
哲也 山本
亮太郎 松永
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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
    • 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
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/008—Composition or distribution of the charge
    • 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 specially adapted for furnaces of these types
    • F27B1/28—Arrangements of monitoring devices, of indicators, of alarm 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
    • F27D19/00—Arrangements of controlling 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
    • F27D21/00—Arrangement of monitoring devices; Arrangement of safety 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
    • F27D21/00—Arrangement of monitoring devices; Arrangement of safety devices
    • F27D21/02—Observation or illuminating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608—Height gauges
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • 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—Arrangement of monitoring devices; Arrangement of safety devices
    • F27D21/02—Observation or illuminating devices
    • F27D2021/026—Observation or illuminating devices using a video installation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
JP2023532833A 2022-03-28 2023-02-13 高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置 Active JP7359336B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022052123 2022-03-28
JP2022052123 2022-03-28
PCT/JP2023/004841 WO2023188880A1 (ja) 2022-03-28 2023-02-13 高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置

Publications (3)

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JPWO2023188880A1 JPWO2023188880A1 (https=) 2023-10-05
JP7359336B1 true JP7359336B1 (ja) 2023-10-11
JPWO2023188880A5 JPWO2023188880A5 (https=) 2024-03-08

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JP2023532833A Active JP7359336B1 (ja) 2022-03-28 2023-02-13 高炉のスラグレベルの判定方法、高炉の操業方法及び制御装置

Country Status (5)

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EP (1) EP4446440A4 (https=)
JP (1) JP7359336B1 (https=)
KR (1) KR20240137660A (https=)
CN (1) CN118660977A (https=)
WO (1) WO2023188880A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI905897B (zh) * 2024-08-22 2025-11-21 中國鋼鐵股份有限公司 高爐爐頂料面量測系統與方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61270319A (ja) * 1985-05-24 1986-11-29 Nippon Steel Corp 高炉溶銑中のＳｉ濃度制御方法
JP2015025199A (ja) * 2013-06-19 2015-02-05 Ｊｆｅスチール株式会社 未溶融鉱石検出方法及び高炉操業方法
JP2015048508A (ja) * 2013-09-02 2015-03-16 新日鐵住金株式会社 高炉羽口状態観察方法及び高炉羽口状態観察装置
JP2015052148A (ja) * 2013-09-06 2015-03-19 新日鐵住金株式会社 高炉の操業状況判定に基づく制御方法
JP2015227478A (ja) * 2014-05-30 2015-12-17 Ｊｆｅスチール株式会社 羽口閉塞検出装置及びその方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01198412A (ja) 1988-02-03 1989-08-10 Nkk Corp 高炉炉内残滓量の推定方法
JP2000192123A (ja) 1998-12-28 2000-07-11 Nippon Steel Corp 高炉炉床部内の溶融体レベル測定方法およびその装置
EP3012331B1 (en) * 2013-06-19 2019-02-13 JFE Steel Corporation Method for detecting abnormality in blast furnace, and method for operating blast furnace
KR101704982B1 (ko) * 2013-07-29 2017-02-08 제이에프이 스틸 가부시키가이샤 이상 검지 방법 및 고로 조업 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61270319A (ja) * 1985-05-24 1986-11-29 Nippon Steel Corp 高炉溶銑中のＳｉ濃度制御方法
JP2015025199A (ja) * 2013-06-19 2015-02-05 Ｊｆｅスチール株式会社 未溶融鉱石検出方法及び高炉操業方法
JP2015048508A (ja) * 2013-09-02 2015-03-16 新日鐵住金株式会社 高炉羽口状態観察方法及び高炉羽口状態観察装置
JP2015052148A (ja) * 2013-09-06 2015-03-19 新日鐵住金株式会社 高炉の操業状況判定に基づく制御方法
JP2015227478A (ja) * 2014-05-30 2015-12-17 Ｊｆｅスチール株式会社 羽口閉塞検出装置及びその方法

Also Published As

Publication number Publication date
EP4446440A1 (en) 2024-10-16
CN118660977A (zh) 2024-09-17
JPWO2023188880A1 (https=) 2023-10-05
EP4446440A4 (en) 2025-05-21
KR20240137660A (ko) 2024-09-20
WO2023188880A1 (ja) 2023-10-05

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