EP3517632A4 - Method for operating blast furnace - Google Patents

Method for operating blast furnace Download PDF

Info

Publication number: EP3517632A4
Authority: EP; European Patent Office
Prior art keywords: blast furnace; operating blast; operating; furnace; blast
Prior art date: 2016-12-16
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

EP17879791.6A

Other languages

German (de)

French (fr)

Other versions

EP3517632B1 (en

EP3517632A1 (en

Inventor

Yuji Iwami

Shunsuke Nonaka

Yasukazu Hayasaka

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.)

2016-12-16

Filing date

2017-12-12

Publication date

2019-11-06

2017-12-12 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2019-07-31 Publication of EP3517632A1 publication Critical patent/EP3517632A1/en

2019-11-06 Publication of EP3517632A4 publication Critical patent/EP3517632A4/en

2021-11-24 Application granted granted Critical

2021-11-24 Publication of EP3517632B1 publication Critical patent/EP3517632B1/en

Status Active legal-status Critical Current

2037-12-12 Anticipated expiration legal-status Critical

Classifications

- 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
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/20—Sintering; Agglomerating in sintering machines with movable grates
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/80—Interaction of exhaust gases produced during the manufacture of iron or steel with other processes

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Organic Chemistry (AREA)
Metallurgy (AREA)
Materials Engineering (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Mechanical Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Iron (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

EP17879791.6A 2016-12-16 2017-12-12 Blast furnace operation method Active EP3517632B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2016243989		2016-12-16
PCT/JP2017/044474 WO2018110521A1 (en)	2016-12-16	2017-12-12	Method for operating blast furnace

Publications (3)

Publication Number	Publication Date
EP3517632A1 EP3517632A1 (en)	2019-07-31
EP3517632A4 true EP3517632A4 (en)	2019-11-06
EP3517632B1 EP3517632B1 (en)	2021-11-24

Family

ID=62558564

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17879791.6A Active EP3517632B1 (en)	2016-12-16	2017-12-12	Blast furnace operation method

Country Status (7)

Country	Link
EP (1)	EP3517632B1 (en)
JP (1)	JP6519036B2 (en)
KR (1)	KR102303009B1 (en)
CN (1)	CN110073006A (en)
PH (1)	PH12019501367A1 (en)
TW (1)	TWI658147B (en)
WO (1)	WO2018110521A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7549189B2 (en) *	2020-04-10	2024-09-11	日本製鉄株式会社	Simulation method using a blast furnace mathematical model and blast furnace operation method using the same
CN112522460B (en) *	2020-11-18	2022-05-17	山东钢铁集团日照有限公司	Method for adjusting airflow distribution by spreading blast furnace burden
CN114594073B (en) *	2022-01-25	2023-08-11	虔东稀土集团股份有限公司	Rare earth metal production online detection method and system
WO2024161701A1 (en) *	2023-01-30	2024-08-08	Ｊｆｅスチール株式会社	Method for measuring melt level inside blast furnace, device for measuring melt level inside blast furnace, and blast furnace operation method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5651507A (en) *	1979-09-28	1981-05-09	Sumitomo Metal Ind Ltd	Operating method of blast furnace
JPS5751206A (en) *	1980-09-12	1982-03-26	Sumitomo Metal Ind Ltd	Operating method for blast furnace
JPS60262926A (en) *	1984-06-08	1985-12-26	Kawasaki Steel Corp	Method for controlling concentration of component in product sintered ore
RU2240351C2 (en) *	2002-04-22	2004-11-20	Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК")	Blast smelting method
JP2011038735A (en) *	2009-08-17	2011-02-24	Jfe Steel Corp	Sintering machine
JP2016130341A (en) *	2015-01-14	2016-07-21	株式会社神戸製鋼所	Method of producing sintered ore raw material using magnetite ore

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57149433A (en)	1981-03-07	1982-09-16	Nisshin Steel Co Ltd	Method and device for preparing sintered ore having preset content of feo
JPH06108124A (en) *	1992-09-29	1994-04-19	Nippon Steel Corp	Operation of blast furnace
JPH10324929A (en)	1997-05-26	1998-12-08	Nippon Steel Corp	Production of sintered ore
JP3787237B2 (en) *	1998-01-23	2006-06-21	新日本製鐵株式会社	Method of charging high-pellet iron ore into a blast furnace
KR100374231B1 (en) *	1998-07-31	2003-05-16	주식회사 포스코	Manufacturing method of sintered light using recycled buoyancy
JP2001107115A (en) *	1999-10-06	2001-04-17	Nippon Steel Corp	Operation of blast funace using highly reducible sintered ore
KR100786499B1 (en) *	2001-12-18	2007-12-17	주식회사 포스코	Method for manufacturing the sintering ore
JP2005097658A (en) *	2003-09-24	2005-04-14	Jfe Steel Kk	Method for predicting main raw material component ratio of sintered ore and method for controlling component ratio of sintered ore and program for predicting main raw material component ratio of sintered ore
JP2005298923A (en) *	2004-04-13	2005-10-27	Nippon Steel Corp	High ore/reducing material ratio operation method in blast furnace
JP4802739B2 (en) *	2006-01-31	2011-10-26	Ｊｆｅスチール株式会社	Blast furnace raw material mixing degree measuring method and blast furnace raw material mixing degree measuring device
JP5012138B2 (en) *	2007-03-28	2012-08-29	住友金属工業株式会社	Blast furnace operation method
CN102719580B (en) *	2011-03-29	2014-11-05	鞍钢股份有限公司	Blast furnace operation method for improving coke strength of hearth
JP2013147718A (en) *	2012-01-20	2013-08-01	Nippon Steel & Sumitomo Metal Corp	Method for producing sintered ore
CN102722652B (en) *	2012-06-01	2015-09-16	攀钢集团攀枝花钢钒有限公司	A kind of blast furnace process pricing and optimization method
CN104164558B (en) *	2014-08-27	2016-04-13	攀钢集团成都钢钒有限公司	A kind of sintering circuit sinter quality control method
CN104593532B (en) *	2015-01-19	2017-07-07	河北联合大学	A kind of ironmaking system furnace charge optimization method

2017
- 2017-12-12 KR KR1020197017127A patent/KR102303009B1/en active IP Right Grant
- 2017-12-12 WO PCT/JP2017/044474 patent/WO2018110521A1/en unknown
- 2017-12-12 EP EP17879791.6A patent/EP3517632B1/en active Active
- 2017-12-12 CN CN201780077773.1A patent/CN110073006A/en active Pending
- 2017-12-12 JP JP2018556672A patent/JP6519036B2/en active Active
- 2017-12-14 TW TW106143969A patent/TWI658147B/en active
2019
- 2019-06-14 PH PH12019501367A patent/PH12019501367A1/en unknown

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5651507A (en) *	1979-09-28	1981-05-09	Sumitomo Metal Ind Ltd	Operating method of blast furnace
JPS5751206A (en) *	1980-09-12	1982-03-26	Sumitomo Metal Ind Ltd	Operating method for blast furnace
JPS60262926A (en) *	1984-06-08	1985-12-26	Kawasaki Steel Corp	Method for controlling concentration of component in product sintered ore
RU2240351C2 (en) *	2002-04-22	2004-11-20	Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК")	Blast smelting method
JP2011038735A (en) *	2009-08-17	2011-02-24	Jfe Steel Corp	Sintering machine
JP2016130341A (en) *	2015-01-14	2016-07-21	株式会社神戸製鋼所	Method of producing sintered ore raw material using magnetite ore

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018110521A1 *

Also Published As

Publication number	Publication date
JP6519036B2 (en)	2019-05-29
EP3517632B1 (en)	2021-11-24
KR20190085970A (en)	2019-07-19
CN110073006A (en)	2019-07-30
EP3517632A1 (en)	2019-07-31
TWI658147B (en)	2019-05-01
KR102303009B1 (en)	2021-09-15
WO2018110521A1 (en)	2018-06-21
TW201829792A (en)	2018-08-16
PH12019501367A1 (en)	2020-02-24
JPWO2018110521A1 (en)	2019-03-28

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