ES2023064A6 - Procedimiento y dispositivo para el calentamiento de un horno metalurgico. - Google Patents

Procedimiento y dispositivo para el calentamiento de un horno metalurgico.

Info

Publication number
ES2023064A6
ES2023064A6 ES9001817A ES9001817A ES2023064A6 ES 2023064 A6 ES2023064 A6 ES 2023064A6 ES 9001817 A ES9001817 A ES 9001817A ES 9001817 A ES9001817 A ES 9001817A ES 2023064 A6 ES2023064 A6 ES 2023064A6
Authority
ES
Spain
Prior art keywords
fuel
burner
oxygen
heating
fed
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.)
Expired - Fee Related
Application number
ES9001817A
Other languages
English (en)
Inventor
Thomas Hoster
Heinz Humberg
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of ES2023064A6 publication Critical patent/ES2023064A6/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00006—Liquid fuel burners using pure oxygen or O2-enriched air as oxidant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

PROCEDIMIENTO Y DISPOSITIVO PARA EL CALENTAMIENTO DE UN HORNO METALURGICO, EN PARTICULAR DE UN HORNO DE ARCO ELECTRICO ALIMENTADO CON CHATARRA O MATERIALES DE CARGA SOLIDOS SIMILARES; SE INTRODUCEN OXIGENO Y COMBUSTIBLE POR AL MENOS UN QUEMADOR POR ENCIMA DE LA MASA DE COLADA A TRAVES DE LA PARED DEL HORNO, SIENDO CONDUCIDO EL COMBUSTIBLE POR UNA CORRIENTE DE GAS PORTANTE QUE RODEA EN FORMA DE ANILLO AL CANAL INTERIOR DEL OXIGENO; COMO COMBUSTIBLE SE ALIMENTAN 4 A 15 KG/T DE CARBON EN FORMA DE POLVO CON TAMAÑO DE GRANO < 200 MICRAS EN UN GAS PORTANTE INERTE LIGERAMENTE REDUCTOR, CON UNA VELOCIDAD DE POR LO MENOS 45 M/S, AL MENOS DURANTE LA FUSION DE LA CARGA, EL CUAL ES QUEMADO POR EL OXIGENO SALIENTE DEL QUEMADOR APROXIMADAMENTE A LA VELOCIDAD DEL SONIDO Y A UNA PRESION DE POR LO MENOS APROXIMADAMENTE 1 BAR, FORMANDOSE LLAMAS DIFUSAS.
ES9001817A 1989-07-03 1990-07-02 Procedimiento y dispositivo para el calentamiento de un horno metalurgico. Expired - Fee Related ES2023064A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3921807A DE3921807A1 (de) 1989-07-03 1989-07-03 Verfahren und vorrichtung zum beheizen eines metallurgischen ofens

Publications (1)

Publication Number Publication Date
ES2023064A6 true ES2023064A6 (es) 1991-12-16

Family

ID=6384181

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9001817A Expired - Fee Related ES2023064A6 (es) 1989-07-03 1990-07-02 Procedimiento y dispositivo para el calentamiento de un horno metalurgico.

Country Status (8)

Country Link
EP (1) EP0480944A1 (es)
JP (1) JPH05500847A (es)
BR (1) BR9007498A (es)
CA (1) CA2063711A1 (es)
DE (1) DE3921807A1 (es)
ES (1) ES2023064A6 (es)
WO (1) WO1991000366A1 (es)
ZA (1) ZA905023B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4434369C2 (de) * 1994-09-15 1997-08-07 Mannesmann Ag Verfahren und Vorrichtung zum metallurgischen Behandeln von Eisen
AT402963B (de) * 1995-09-07 1997-10-27 Voest Alpine Ind Anlagen Verfahren zum verbrennen von brennstoff
EP0787966A1 (de) * 1996-02-09 1997-08-06 Linde Aktiengesellschaft Verfahren zum Erschmelzen von Metallen sowie zum Warmhalten ebensolcher Schmelzen
RU2219247C2 (ru) 1998-08-28 2003-12-20 Фоест-Альпине Индустрианлагенбау ГмбХ Способ получения металлического расплава и многофункциональная фурма для получения металлического расплава (варианты)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1433424B2 (de) * 1962-11-29 1971-01-28 Fried Krupp GmbH, 4300 Essen Mehrofen Schmelzanlage, insbesondere zur Stahlherstellung aus Schrott und Koh lungsmitteln
GB1099959A (en) * 1965-10-28 1968-01-17 Janos Miklos Beer Improvements in or relating to burners for pulverised coal or like solid fuel or for liquid or gaseous fuel
DD107526A1 (es) * 1973-05-09 1974-08-05
DE2541086A1 (de) * 1975-09-15 1977-03-17 Toshin Steel Co Verfahren und vorrichtung zur stahlerzeugung
JPS5687617A (en) * 1979-12-19 1981-07-16 Daido Steel Co Ltd Steel making method using arc furnace
DE3367117D1 (en) * 1982-09-02 1986-11-27 Shell Int Research Burner for the partial combustion of finely divided solid fuel
FR2535018B1 (fr) * 1982-10-22 1987-04-24 Air Liquide Bruleur a charbon pulverise
DE3581431D1 (de) * 1984-05-11 1991-02-28 Jakes Howden & Co Ltd Verfahren zum betreiben eines metallurgischen ofens.
GB8509629D0 (en) * 1985-04-15 1985-05-22 British Steel Corp Melting ferrous solids
GB8516143D0 (en) * 1985-06-26 1985-07-31 British Steel Corp Melting of metals
DE3542829A1 (de) * 1985-12-04 1987-06-11 Kloeckner Cra Tech Verfahren und duese zur stahlherstellung aus festen einsatzstoffen
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
FR2634787B1 (fr) * 1988-08-01 1991-11-29 Siderurgie Fse Inst Rech Procede d'obtention d'un laitier moussant dans un four electrique d'acierie

Also Published As

Publication number Publication date
BR9007498A (pt) 1992-05-19
ZA905023B (en) 1991-04-24
WO1991000366A1 (de) 1991-01-10
JPH05500847A (ja) 1993-02-18
CA2063711A1 (en) 1991-01-04
EP0480944A1 (de) 1992-04-22
DE3921807A1 (de) 1991-01-10

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001102