EP3985132A4 - DEVICE AND METHOD FOR EVALUATION OF THE IRREGULARITY OF A BLAST FURNACE, METHOD OF EVALUATION OF THE OPERATION OF A BLAST FURNACE, AND METHOD OF PRODUCTION OF A MOLTEN PIG IRON - Google Patents

DEVICE AND METHOD FOR EVALUATION OF THE IRREGULARITY OF A BLAST FURNACE, METHOD OF EVALUATION OF THE OPERATION OF A BLAST FURNACE, AND METHOD OF PRODUCTION OF A MOLTEN PIG IRON 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)
English (en)
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 (ja) 2019-08-22 2020-08-19 高炉の異常判定装置、高炉の異常判定方法、高炉の操業方法および溶銑の製造方法

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 (zh)
JP (1) JP6940030B2 (zh)
KR (1) KR102668061B1 (zh)
CN (1) CN114258433A (zh)
BR (1) BR112022003100A2 (zh)
TW (1) TWI748604B (zh)
WO (1) WO2021033721A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023190234A1 (zh) * 2022-03-29 2023-10-05

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210223A (ja) * 1987-02-26 1988-08-31 Kobe Steel Ltd 高炉炉熱低下予測方法
JP2017128805A (ja) * 2016-01-19 2017-07-27 Ｊｆｅスチール株式会社 高炉の操業方法
JP2018009224A (ja) * 2016-07-14 2018-01-18 株式会社神戸製鋼所 操業状況評価システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635605B2 (ja) * 1987-02-23 1994-05-11 株式会社神戸製鋼所 高炉炉熱低下予測方法
JPS63297513A (ja) * 1987-05-29 1988-12-05 Sumitomo Metal Ind Ltd 高炉操業方法
CN1039498C (zh) * 1995-11-23 1998-08-12 宝山钢铁(集团)公司 高炉综合指标判断系统
US7976770B1 (en) * 2005-07-29 2011-07-12 Hatch Ltd. Diagnostic system and method for metallurgical reactor cooling elements
WO2007141942A1 (ja) * 2006-05-29 2007-12-13 Osaka University 電子状態計算方法、電子状態計算装置、コンピュータプログラム、及び記録媒体
EP2198229B1 (en) * 2007-09-28 2014-06-18 Hatch LTD. Method for the acoustic monitoring of tapblocks and similar elements
JP5867619B2 (ja) * 2013-06-19 2016-02-24 Ｊｆｅスチール株式会社 高炉異常検出方法及び高炉操業方法
JP6607821B2 (ja) * 2016-04-12 2019-11-20 株式会社神戸製鋼所 高炉のセンサ故障検知方法及び異常状況の予測方法
CN109685289B (zh) * 2019-01-21 2020-11-10 重庆电子工程职业学院 高炉炉况顺行预测方法、装置及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210223A (ja) * 1987-02-26 1988-08-31 Kobe Steel Ltd 高炉炉熱低下予測方法
JP2017128805A (ja) * 2016-01-19 2017-07-27 Ｊｆｅスチール株式会社 高炉の操業方法
JP2018009224A (ja) * 2016-07-14 2018-01-18 株式会社神戸製鋼所 操業状況評価システム

Non-Patent Citations (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3778928A4 (en) BOTTOM FURNACE AND METHOD OF OPERATING A BOTTOM FURNACE
EP3778927A4 (en) BOTTOM FURNACE AND METHOD OF OPERATING A BOTTOM FURNACE
EP3989013A4 (en) PROCESS CONTROL METHOD, OPERATION GUIDE METHOD, BLAST FURNACE OPERATION METHOD, MELTED IRON MANUFACTURING METHOD, AND PROCESS CONTROL DEVICE
EP4151753A4 (en) BLASTIC FURNACE OPERATION PROCESS
EP3705586A4 (en) ELECTRIC FURNACE AND PROCESS FOR MELTING AND REDUCING IRON RAW MATERIALS CONTAINING IRON
EP4177359A4 (en) OPERATIONAL MANAGEMENT METHOD, METHOD FOR OPERATING A BLASTY FURNACE, METHOD FOR PRODUCING MOLTEN IRON, OPERATIONAL MANAGEMENT DEVICE
EP3879216A4 (en) MELTING FURNACE SIDE BLOW LANCE AND METHOD OF USE
EP4067509A4 (en) METHOD FOR OPERATING A BLAST FURNACE AND FACILITY EQUIPPED WITH A BLAST FURNACE
EP3730632A4 (en) METHOD OF OXYGEN TRANSFER MELTING OF MOLTEN IRON AND INFLATING LANCE
MY171552A (en) System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
EP4067510A4 (en) BLASTIC FURNACE OPERATION PROCESS
MX2024009249A (es) Boveda abierta para un horno metalurgico.
EP4002023A4 (en) TEACHING MODEL GENERATION METHOD, TEACHING MODEL GENERATING DEVICE, METHOD FOR CONTROLLING TEMPERATURE OF MOLTEN IRON IN BLAST FURNACE, METHOD FOR GUIDING TEMPERATURE REGULATION OF MELTING IRON IN -FURNACE, AND PROCESS FOR MANUFACTURING FUSION IRON
EP3760749A4 (en) HOT BRICKED IRON MANUFACTURING APPARATUS
EP3604919A4 (en) BURNER, BURNER OPERATING PROCESS AND MELTING AND REFINING PROCESS FOR COLD IRON SOURCE
ZA202107933B (en) Blast movement monitor, system and method
EP3985132A4 (en) DEVICE AND METHOD FOR EVALUATION OF THE IRREGULARITY OF A BLAST FURNACE, METHOD OF EVALUATION OF THE OPERATION OF A BLAST FURNACE, AND METHOD OF PRODUCTION OF A MOLTEN PIG IRON
EP4029953A4 (en) BLAST FURNACE OPERATING PROCESS
EP3858491A4 (en) METHOD FOR FORMING INTERNAL COATING FOR METALLURGICAL EQUIPMENT AND DEVICE FOR IMPLEMENTING THIS METHOD
EP3730631A4 (en) HIGH RANGE REGENERATOR DEVICE AND HIGH RANGE REGENERATOR DEVICE OPERATING PROCEDURE
EP3967670A4 (en) Method for modifying steelmaking slag, and lance
EP3950965A4 (en) METHOD FOR HEATING THE FIREPLACE OF A BLAST FURNACE AND BURNER NOZZLE USED FOR SAID METHOD
EP4001237A4 (en) BLAST FURNACE DAIRY TYPE PAINT
EP3896177A4 (en) PROCESS FOR FURNISHING RAW MATERIAL IN A BELLLESS HIGH FURNACE, AND PROCESS FOR OPERATING A HIGH FURNACE
EP4067508A4 (en) BLAST FURNACE OPERATING PROCESS AND BLAST FURNACE ANCILLARY

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