EP3985132A4 - Blast furnace irregularity assessment device, blast furnace irregularity assessment method, blast furnace operation method, and molten pig iron production method - Google Patents

Blast furnace irregularity assessment device, blast furnace irregularity assessment method, blast furnace operation method, and molten pig iron production method Download PDF

Info

Publication number
EP3985132A4
EP3985132A4 EP20853668.0A EP20853668A EP3985132A4 EP 3985132 A4 EP3985132 A4 EP 3985132A4 EP 20853668 A EP20853668 A EP 20853668A EP 3985132 A4 EP3985132 A4 EP 3985132A4
Authority
EP
European Patent Office
Prior art keywords
blast furnace
irregularity
irregularity assessment
pig iron
molten pig
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
EP20853668.0A
Other languages
German (de)
French (fr)
Other versions
EP3985132A1 (en
EP3985132B1 (en
Inventor
Hiroyuki Shimamoto
Tomohiko Ito
Tatsuya Yamaguchi
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 EP3985132A1 publication Critical patent/EP3985132A1/en
Publication of EP3985132A4 publication Critical patent/EP3985132A4/en
Application granted granted Critical
Publication of EP3985132B1 publication Critical patent/EP3985132B1/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
    • C21B7/24—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
    • 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
    • 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
    • F27D21/0028—Devices for monitoring the level of the melt
    • 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
    • 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)
  • Blast Furnaces (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
EP20853668.0A 2019-08-22 2020-08-19 Blast furnace anomaly determining apparatus, blast furnace anomaly determining method, blast furnace operating method, and hot metal producing method Active EP3985132B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019151653 2019-08-22
PCT/JP2020/031287 WO2021033721A1 (en) 2019-08-22 2020-08-19 Blast furnace irregularity assessment device, blast furnace irregularity assessment method, blast furnace operation method, and molten pig iron production method

Publications (3)

Publication Number Publication Date
EP3985132A1 EP3985132A1 (en) 2022-04-20
EP3985132A4 true EP3985132A4 (en) 2022-09-07
EP3985132B1 EP3985132B1 (en) 2024-10-23

Family

ID=74660917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20853668.0A Active EP3985132B1 (en) 2019-08-22 2020-08-19 Blast furnace anomaly determining apparatus, blast furnace anomaly determining method, blast furnace operating method, and hot metal producing method

Country Status (7)

Country Link
EP (1) EP3985132B1 (en)
JP (1) JP6940030B2 (en)
KR (1) KR102668061B1 (en)
CN (1) CN114258433A (en)
BR (1) BR112022003100A2 (en)
TW (1) TWI748604B (en)
WO (1) WO2021033721A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023190234A1 (en) * 2022-03-29 2023-10-05 Ｊｆｅスチール株式会社 Blast furnace abnormality determination device, blast furnace abnormality determination method, blast furnace operation method, blast furnace operation system, blast furnace abnormality determination server device, program for blast furnace abnormality determination server device, and display terminal device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210223A (en) * 1987-02-26 1988-08-31 Kobe Steel Ltd Predicting on of lowering of furnace heat of blast furnace
JP2017128805A (en) * 2016-01-19 2017-07-27 Ｊｆｅスチール株式会社 Operation method of blast furnace
JP2018009224A (en) * 2016-07-14 2018-01-18 株式会社神戸製鋼所 Operation condition evaluation system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635605B2 (en) * 1987-02-23 1994-05-11 株式会社神戸製鋼所 Blast furnace furnace heat drop prediction method
JPS63297513A (en) * 1987-05-29 1988-12-05 Sumitomo Metal Ind Ltd Operating method for blast furnace
CN1039498C (en) * 1995-11-23 1998-08-12 宝山钢铁(集团)公司 Blast furnace comprhensive deterministic system
US7976770B1 (en) * 2005-07-29 2011-07-12 Hatch Ltd. Diagnostic system and method for metallurgical reactor cooling elements
JP4918683B2 (en) * 2006-05-29 2012-04-18 国立大学法人大阪大学 Electronic state calculation method, electronic state calculation device, computer program, and recording medium
WO2009039665A1 (en) * 2007-09-28 2009-04-02 Hatch Ltd. System and method for the acoustic monitoring of tapblocks and similar elements
EP3012331B1 (en) * 2013-06-19 2019-02-13 JFE Steel Corporation Method for detecting abnormality in blast furnace, and method for operating blast furnace
JP6607821B2 (en) * 2016-04-12 2019-11-20 株式会社神戸製鋼所 Blast furnace sensor failure detection method and abnormal situation prediction method
CN109685289B (en) * 2019-01-21 2020-11-10 重庆电子工程职业学院 Method, device and system for forward prediction of blast furnace conditions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210223A (en) * 1987-02-26 1988-08-31 Kobe Steel Ltd Predicting on of lowering of furnace heat of blast furnace
JP2017128805A (en) * 2016-01-19 2017-07-27 Ｊｆｅスチール株式会社 Operation method of blast furnace
JP2018009224A (en) * 2016-07-14 2018-01-18 株式会社神戸製鋼所 Operation condition evaluation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021033721A1 *

Also Published As

Publication number Publication date
JPWO2021033721A1 (en) 2021-09-13
CN114258433A (en) 2022-03-29
EP3985132A1 (en) 2022-04-20
EP3985132B1 (en) 2024-10-23
TWI748604B (en) 2021-12-01
KR20220035233A (en) 2022-03-21
WO2021033721A1 (en) 2021-02-25
TW202113086A (en) 2021-04-01
KR102668061B1 (en) 2024-05-21
JP6940030B2 (en) 2021-09-22
BR112022003100A2 (en) 2022-05-17

Similar Documents

Publication Publication Date Title
EP3778928A4 (en) Blast furnace facility and operation method for blast furnace
EP3989013A4 (en) Method for controlling process, operation guidance method, method for operating blast furnace, method for manufacturing molten iron, and device for controlling process
EP4151753A4 (en) Blast furnace operation method
EP3778927A4 (en) Blast furnace facility and operation method for blast furnace
EP4177359A4 (en) Operation guidance method, method for operating blast furnace, method for manufacturing molten iron, operation guidance device
EP3705586A4 (en) Electric furnace and method for melting and reducing iron oxide-containing iron raw material
EP3879216A4 (en) Side blowing lance for smelting furnace and use method
EP4067509A4 (en) Method for operating blast furnace, and facility equipped with blast furnace
EP3730632A4 (en) Method for oxygen transmission smelting of molten iron, and top-blow lance
EP4067510A4 (en) Blast furnace operation method
MX2024009249A (en) Split roof for a metallurgical furnace.
EP4002023A4 (en) Learning model generation method, learning model generation device, method for controlling molten iron temperature in blast furnace, method for guiding molten iron temperature control in blast furnace, and molten iron manufacturing method
EP3760749A4 (en) Apparatus for manufacturing hot briquetted iron
EP3604919A4 (en) Burner, burner operation method, and melting and refining method for cold iron source
ZA202107933B (en) Blast movement monitor, system and method
EP3564201A4 (en) Brick for blast furnace hearths and blast furnace hearth using same, and method for producing brick for blast furnace hearths
EP3985132A4 (en) Blast furnace irregularity assessment device, blast furnace irregularity assessment method, blast furnace operation method, and molten pig iron production method
EP4029953A4 (en) Blast furnace operation method
EP3858491A4 (en) Method for lining metallurgical units, and apparatus for carrying out same
EP3730631A4 (en) Blast furnace stove device and method for operating blast furnace stove device
EP3967670A4 (en) Method for modifying steelmaking slag, and lance
EP3950965A4 (en) Method for heating up hearth of blast furnace, and burner lance used for same
EP3896177A4 (en) Method for charging raw material into bell-less blast furnace, and blast furnace operation method
EP4067508A4 (en) Blast furnace operation method and blast furnace ancillary equipment
EP3933053A4 (en) Blast furnace operation method

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220113

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20220805

RIC1 Information provided on ipc code assigned before grant

Ipc: F27D 21/00 20060101ALI20220801BHEP

Ipc: F27B 1/28 20060101ALI20220801BHEP

Ipc: C21B 7/24 20060101ALI20220801BHEP

Ipc: C21B 5/00 20060101AFI20220801BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230214

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240222

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

INTC Intention to grant announced (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240705

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED