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
EP2336371B8 EP09819299.0A EP09819299A EP2336371B8 EP 2336371 B8 EP2336371 B8 EP 2336371B8 EP 09819299 A EP09819299 A EP 09819299A EP 2336371 B8 EP2336371 B8 EP 2336371B8
Authority
EP
European Patent Office
Prior art keywords
carbon
blast furnace
operating method
furnace operating
containing unfired
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.)
Active
Application number
EP09819299.0A
Other languages
German (de)
French (fr)
Other versions
EP2336371B1 (en
EP2336371A1 (en
EP2336371A4 (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.)
Filing date
Publication date
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.
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2336371A1 publication Critical patent/EP2336371A1/en
Publication of EP2336371A4 publication Critical patent/EP2336371A4/en
Application granted granted Critical
Publication of EP2336371B1 publication Critical patent/EP2336371B1/en
Publication of EP2336371B8 publication Critical patent/EP2336371B8/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
    • 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
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 (6)

Country Link
EP (1) EP2336371B8 (en)
JP (1) JP4603628B2 (en)
KR (1) KR101211302B1 (en)
CN (1) CN102177256B (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 Method for charging raw material to blast furnace
CN1025351C (en) * 1990-10-23 1994-07-06 刘玉琦 Raw materials mixed feeding 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

Also Published As

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

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