EP2336371B8 - Blast furnace operating method using carbon-containing unfired pellets - Google Patents

Blast furnace operating method using carbon-containing unfired pellets Download PDF

Info

Publication number: EP2336371B8
Authority: EP; European Patent Office
Prior art keywords: carbon; blast furnace; operating method; furnace operating; containing unfired
Prior art date: 2008-10-10
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.): Active

Application number

EP09819299.0A

Other languages

German (de)

French (fr)

Other versions

EP2336371A4 (en

EP2336371B1 (en

EP2336371A1 (en

Inventor

Kenichi Higuchi

Takashi Shinohara

Takeshi Noda

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.)

Nippon Steel Corp

Original Assignee

Nippon Steel and Sumitomo Metal 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.)

2008-10-10

Filing date

2009-10-09

Publication date

2019-04-24

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42100712&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2336371(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2009-10-09 Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp

2011-06-22 Publication of EP2336371A1 publication Critical patent/EP2336371A1/en

2017-05-03 Publication of EP2336371A4 publication Critical patent/EP2336371A4/en

2019-01-02 Publication of EP2336371B1 publication Critical patent/EP2336371B1/en

2019-04-24 Application granted granted Critical

2019-04-24 Publication of EP2336371B8 publication Critical patent/EP2336371B8/en

Status Active legal-status Critical Current

2029-10-09 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
- C21B5/008—Composition or distribution of the charge
- 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
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/007—Conditions of the cokes or characterised by the cokes used
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
- 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
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates

Landscapes

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

EP09819299.0A 2008-10-10 2009-10-09 Blast furnace operating method using carbon-containing unfired pellets Active EP2336371B8 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2008264483		2008-10-10
PCT/JP2009/067948 WO2010041770A1 (en)	2008-10-10	2009-10-09	Blast furnace operating method using carbon-containing unfired pellets

Publications (4)

Publication Number	Publication Date
EP2336371A1 EP2336371A1 (en)	2011-06-22
EP2336371A4 EP2336371A4 (en)	2017-05-03
EP2336371B1 EP2336371B1 (en)	2019-01-02
EP2336371B8 true EP2336371B8 (en)	2019-04-24

Family

ID=42100712

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09819299.0A Active EP2336371B8 (en)	2008-10-10	2009-10-09	Blast furnace operating method using carbon-containing unfired pellets

Country Status (7)

Country	Link
EP (1)	EP2336371B8 (en)
JP (1)	JP4603628B2 (en)
KR (1)	KR101211302B1 (en)
CN (1)	CN102177256B (en)
BR (1)	BRPI0920547B1 (en)
UA (1)	UA97916C2 (en)
WO (1)	WO2010041770A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6350101B2 (en) *	2013-10-22	2018-07-04	新日鐵住金株式会社	Charge determination method for carbon highly reactive charge and blast furnace operation method using the same
CN104313306B (en) *	2014-10-15	2016-08-10	中冶长天国际工程有限责任公司	The measuring method of a kind of sintering deposit solid fuel specific consumption and device
JP6696376B2 (en) *	2016-09-13	2020-05-20	日本製鉄株式会社	Blast furnace operation method
CN111638316B (en) *	2020-05-29	2022-09-16	鞍钢股份有限公司	Device and method for simulating coke reaction at high-temperature section of blast furnace
CN112609030A (en) *	2020-12-11	2021-04-06	四川德胜集团钒钛有限公司	Blast furnace smelting method of vanadium titano-magnetite
CN115368042B (en) *	2022-08-19	2023-09-08	深圳市考拉生态科技有限公司	Method for producing porous wollastonite spheres by using fluorine gypsum and quartz waste stone

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5358416A (en) *	1976-11-05	1978-05-26	Nippon Steel Corp	Blast furnace operating method
JPS53130202A (en)	1977-04-20	1978-11-14	Nippon Steel Corp	Preparation of cold pellet of dust
JPS58164710A (en) *	1982-03-24	1983-09-29	Sumitomo Metal Ind Ltd	Charging method of blast furnace raw material
CN1025351C (en) *	1990-10-23	1994-07-06	刘玉琦	Raw material mixed charging blast furnace iron-smelting method
JP3068967B2 (en)	1992-11-09	2000-07-24	新日本製鐵株式会社	Blast furnace operation method
JP3708981B2 (en)	1995-01-20	2005-10-19	新日本製鐵株式会社	Agglomerate for iron making
JP3754553B2 (en)	1997-07-22	2006-03-15	株式会社神戸製鋼所	Agglomerated product for reduced iron and method for producing the same
JP3004265B1 (en)	1998-11-24	2000-01-31	株式会社神戸製鋼所	Carbon material interior pellet and reduced iron production method
JP3863052B2 (en)	2002-04-11	2006-12-27	株式会社神戸製鋼所	Blast furnace raw material charging method
JP4118604B2 (en)	2002-05-28	2008-07-16	株式会社テツゲン	Non-fired agglomerated carbon interior for blast furnace and method for producing the same
JP5000402B2 (en) *	2006-09-11	2012-08-15	新日本製鐵株式会社	Method for producing carbon-containing unfired pellets for blast furnace
JP4971815B2 (en) *	2007-02-01	2012-07-11	株式会社神戸製鋼所	Blast furnace operation method

2009
- 2009-10-09 WO PCT/JP2009/067948 patent/WO2010041770A1/en not_active Ceased
- 2009-10-09 JP JP2010508646A patent/JP4603628B2/en active Active
- 2009-10-09 EP EP09819299.0A patent/EP2336371B8/en active Active
- 2009-10-09 UA UAA201105488A patent/UA97916C2/en unknown
- 2009-10-09 BR BRPI0920547-0A patent/BRPI0920547B1/en active IP Right Grant
- 2009-10-09 CN CN2009801398032A patent/CN102177256B/en active Active
- 2009-10-09 KR KR1020117008074A patent/KR101211302B1/en active Active

Also Published As

Publication number	Publication date
KR20110051292A (en)	2011-05-17
CN102177256B (en)	2013-08-21
WO2010041770A1 (en)	2010-04-15
EP2336371A4 (en)	2017-05-03
KR101211302B1 (en)	2012-12-11
RU2011117324A (en)	2012-11-20
EP2336371B1 (en)	2019-01-02
JP4603628B2 (en)	2010-12-22
UA97916C2 (en)	2012-03-26
BRPI0920547A2 (en)	2020-08-11
CN102177256A (en)	2011-09-07
EP2336371A1 (en)	2011-06-22
BRPI0920547B1 (en)	2021-09-28
JPWO2010041770A1 (en)	2012-03-08

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EP2112236A4 (en)	2012-03-21	Rotary hearth reducing furnace and method of operating the same
BRPI0918512A2 (en)	2015-12-01	blast furnace slag production method
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AU2008901462A0 (en)	2008-04-10	Alternative Modes of Lime Kiln Operation
AU2007906678A0 (en)	2007-12-20	Alternative Modes of Lime Kiln Operation

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2012-01-18	DAX	Request for extension of the european patent (deleted)
2013-01-23	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL & SUMITOMO METAL CORPORATION
2017-05-03	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20170331
2017-05-03	RIC1	Information provided on ipc code assigned before grant	Ipc: C21B 5/00 20060101AFI20170327BHEP Ipc: C22B 1/243 20060101ALI20170327BHEP Ipc: C21B 13/00 20060101ALI20170327BHEP Ipc: C22B 1/24 20060101ALI20170327BHEP Ipc: C22B 1/245 20060101ALI20170327BHEP
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