EP0576869A3 - - Google Patents

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Publication number
EP0576869A3
EP0576869A3 EP19930109093 EP93109093A EP0576869A3 EP 0576869 A3 EP0576869 A3 EP 0576869A3 EP 19930109093 EP19930109093 EP 19930109093 EP 93109093 A EP93109093 A EP 93109093A EP 0576869 A3 EP0576869 A3 EP 0576869A3
Authority
EP
European Patent Office
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
EP19930109093
Other versions
EP0576869A2 (en
EP0576869B1 (en
Inventor
Leon Ulveling
Yvon Kroemmer
Charles Schmit
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.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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
Priority claimed from LU88139A external-priority patent/LU88139A1/en
Application filed by Paul Wurth SA filed Critical Paul Wurth SA
Publication of EP0576869A2 publication Critical patent/EP0576869A2/en
Publication of EP0576869A3 publication Critical patent/EP0576869A3/xx
Application granted granted Critical
Publication of EP0576869B1 publication Critical patent/EP0576869B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/16—Tuyéres
EP93109093A 1992-07-01 1993-06-07 Apparatus for injecting pulverized coal into a blast furnace Expired - Lifetime EP0576869B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
LU88139 1992-07-01
LU88139A LU88139A1 (en) 1992-07-01 1992-07-01 Injection of pulverised coal into a blast furnace - by prodn. of an annular hollow jet of coal from a hot blast tuyere
LU88249A LU88249A7 (en) 1992-07-01 1993-04-21 Method and device for injecting pulverized coal into a blast furnace crucible
LU88249 1993-04-21

Publications (3)

Publication Number Publication Date
EP0576869A2 EP0576869A2 (en) 1994-01-05
EP0576869A3 true EP0576869A3 (en) 1994-03-09
EP0576869B1 EP0576869B1 (en) 1998-11-11

Family

ID=26640347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93109093A Expired - Lifetime EP0576869B1 (en) 1992-07-01 1993-06-07 Apparatus for injecting pulverized coal into a blast furnace

Country Status (9)

Country Link
US (1) US5451034A (en)
EP (1) EP0576869B1 (en)
JP (1) JPH0688107A (en)
CN (1) CN1037527C (en)
BR (1) BR9302315A (en)
CA (1) CA2098514A1 (en)
DE (1) DE69322002T2 (en)
ES (1) ES2123018T3 (en)
RU (1) RU2103375C1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW360714B (en) * 1995-10-02 1999-06-11 Nippon Kokan Kk Scrap melting method
LU90150B1 (en) * 1997-10-15 1999-04-16 Kuettner Gmbh & Co Kg Dr Method and device for blowing reducing agent into a shaft furnace
US6206949B1 (en) 1997-10-29 2001-03-27 Praxair Technology, Inc. NOx reduction using coal based reburning
US6090182A (en) * 1997-10-29 2000-07-18 Praxair Technology, Inc. Hot oxygen blast furnace injection system
EP0992753A3 (en) * 1998-08-04 2001-08-08 Linde Gas Aktiengesellschaft Operating process for a shaft furnace and shaft furnace
US6618453B1 (en) * 1999-08-20 2003-09-09 Qualcomm Inc. Estimating interference in a communication system
KR100711435B1 (en) * 2001-04-09 2007-04-24 주식회사 포스코 Lance for injecting pulverized coal
AU2005286220B2 (en) 2004-08-18 2011-03-24 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and apparatus for injecting a gas into a two-phase stream
US20060157899A1 (en) * 2005-01-15 2006-07-20 Lew Holdings, Llc Single vessel blast furnace and steel making/gasifying apparatus and process
KR100803990B1 (en) * 2006-10-18 2008-02-15 주식회사 포스코 Tuvere tuyere of melter-gasifier
LU91445B1 (en) * 2008-05-23 2009-11-24 Wurth Paul Sa Method for feeding pulverised coal into a blast furnace
LU91462B1 (en) * 2008-07-14 2010-01-15 Wurth Paul Sa Insertion and extraction of fuel injection lances into and out of the tuyere stock of a blast furnace
LU91543B1 (en) * 2009-03-24 2010-09-27 Wurth Paul Sa Tuyere stock arrangement for a blast furnace and method for operating a blast furnace
JP5824811B2 (en) * 2010-01-19 2015-12-02 Ｊｆｅスチール株式会社 Blast furnace operation method
LU91691B1 (en) * 2010-05-26 2011-11-28 Wurth Paul Sa Tuyere stock arrangement of a blast furnace
JP5263430B2 (en) * 2011-07-15 2013-08-14 Ｊｆｅスチール株式会社 Blast furnace operation method
US8919670B2 (en) * 2011-12-09 2014-12-30 United States Steel Corporation Injection lance with variable swirl
EP4283233A1 (en) 2011-12-21 2023-11-29 JFE Steel Corporation Double wall lance
CN103672866B (en) * 2013-11-25 2016-04-06 中国科学院过程工程研究所 A kind of iron-smelting process coal injection furnace preheat burner and method
TR201819990T4 (en) 2014-06-27 2019-01-21 Tuerkiye Bilimsel Ve Teknolojik Arastirma Kurumu Tuebitak A COAL FEEDING SYSTEM.
CN104456548A (en) * 2014-11-12 2015-03-25 宁夏嘉翔自控技术有限公司 Connecting pipe set of pulverized coal burner for magnesium reduction furnace
CN104878216A (en) * 2015-05-21 2015-09-02 金隆铜业有限公司 Copper smelting slag depletion method and system
CN107124890B (en) * 2015-12-25 2019-11-05 拓莱技术株式会社 Fuel supply system
AU2017240929B2 (en) * 2016-04-01 2020-06-04 China Enfi Engineering Corporation Blowtorch for use in lateral blowing of submerged burning molten pool metallurgical furnace and metallurgical furnace having blowtorch
RU2674094C1 (en) * 2016-12-15 2018-12-04 Тритек Ко., Лтд. Fuel feed system
CN107934559B (en) * 2017-11-21 2019-07-30 青岛冠铭包装制品有限公司 A kind of controllable light material feed device of flow velocity
RU2736444C2 (en) * 2018-03-20 2020-11-17 Тритек Ко., Лтд. Fuel feed device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626501A (en) * 1968-03-18 1971-12-07 Atlantic Richfield Co Apparatus for injecting fluid fuel into a blast furnace
FR2131868A1 (en) * 1971-03-31 1972-11-17 Nippon Kokan Kk Blast furnace combustion
EP0390766A1 (en) * 1989-03-28 1990-10-03 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif A method of injecting an auxiliary fuel into a blast furnace
WO1991014791A1 (en) * 1990-03-20 1991-10-03 Küttner Gmbh & Co. Kg Process and device for injecting coal dust and oxygen into a blast furnace

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758090A (en) * 1971-03-26 1973-09-11 Nippon Kokan Kk Combustion apparatus for blast furnaces
SU854991A1 (en) * 1979-12-07 1981-08-25 Институт черной металлургии Method of reagent supply to blast furnace tuyere
FR2580296B1 (en) * 1985-04-15 1987-07-10 Siderurgie Fse Inst Rech DEVICE FOR INJECTING POWDERY MATERIAL, ESPECIALLY COAL, INTO A BLAST FURNACE
JPS63171810A (en) * 1987-01-09 1988-07-15 Nkk Corp Firing method for oxygen blast furnace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626501A (en) * 1968-03-18 1971-12-07 Atlantic Richfield Co Apparatus for injecting fluid fuel into a blast furnace
FR2131868A1 (en) * 1971-03-31 1972-11-17 Nippon Kokan Kk Blast furnace combustion
EP0390766A1 (en) * 1989-03-28 1990-10-03 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif A method of injecting an auxiliary fuel into a blast furnace
WO1991014791A1 (en) * 1990-03-20 1991-10-03 Küttner Gmbh & Co. Kg Process and device for injecting coal dust and oxygen into a blast furnace

Also Published As

Publication number Publication date
US5451034A (en) 1995-09-19
CN1080960A (en) 1994-01-19
EP0576869A2 (en) 1994-01-05
DE69322002D1 (en) 1998-12-17
DE69322002T2 (en) 1999-04-01
ES2123018T3 (en) 1999-01-01
BR9302315A (en) 1994-01-25
CA2098514A1 (en) 1994-01-02
JPH0688107A (en) 1994-03-29
EP0576869B1 (en) 1998-11-11
RU2103375C1 (en) 1998-01-27
CN1037527C (en) 1998-02-25

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