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ATE51065T1 - BURNERS FOR COMBUSTING FUELS WITH REDUCED FORMATION OF NITROUS OXIDES. - Google Patents

BURNERS FOR COMBUSTING FUELS WITH REDUCED FORMATION OF NITROUS OXIDES.

Info

Publication number
ATE51065T1
ATE51065T1 AT86113814T AT86113814T ATE51065T1 AT E51065 T1 ATE51065 T1 AT E51065T1 AT 86113814 T AT86113814 T AT 86113814T AT 86113814 T AT86113814 T AT 86113814T AT E51065 T1 ATE51065 T1 AT E51065T1
Authority
AT
Austria
Prior art keywords
guide tube
burner
air box
burner throat
air
Prior art date
Application number
AT86113814T
Other languages
German (de)
Inventor
Josef Gyarmati
Richard Minarik
Waldemar Hartmann
Original Assignee
Leobersdorfer Maschf
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 Leobersdorfer Maschf filed Critical Leobersdorfer Maschf
Application granted granted Critical
Publication of ATE51065T1 publication Critical patent/ATE51065T1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/008—Flow control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/06041—Staged supply of oxidant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/09002—Specific devices inducing or forcing flue gas recirculation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)

Abstract

1. Burner, for the combustion of liquid and/or gaseous fuels with reduced formation of nitrous oxides, in which burner lances (2, 3) are led through an air box (1) and surrounded by a first guide tube (5), the entry opening of which for primary air is provided within the air box (1) and the exit opening (6) of which is provided within the burner throat (7), which is separated from the air box (1) by a cover plate (9), wherein a secondary air duct feed is arranged within the burner throat (7), is connected at the entry side by way of tubes (18) with the air box (1) and has an exit cross-section lying downstream of the exit cross-section (6) of the first guide tube (5) and wherein a further guide tube is provided within the burner throat (7) and arranged for the conduction of recirculating flue gases at a radial spacing from the burner throat (7) and the first guide tube (5) and at an axial spacing from the cover plate (9) of the air box (1), characterised thereby, that the further guide tube consists of a muffle (13), which is built up of non-metallic sectors (14), which are resistant to corrosion and unaffected by changes in temperature and which are movable one relative to the other and form a self-supporting annular body, and that the muffle (13) is supported and fastened at the burner throat (7) and penetrated by the tubes (18), which form the secondary air guide and are of a material which is resistant to corrosion and unaffected by changes in temperature.
AT86113814T 1986-01-13 1986-10-06 BURNERS FOR COMBUSTING FUELS WITH REDUCED FORMATION OF NITROUS OXIDES. ATE51065T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3600665A DE3600665C1 (en) 1986-01-13 1986-01-13 Burner for burning liquid and / or gaseous fuel with reduced formation of nitrogen oxides
EP86113814A EP0229231B1 (en) 1986-01-13 1986-10-06 Burner for the combustion of fuels with reduced production of nitric oxides

Publications (1)

Publication Number Publication Date
ATE51065T1 true ATE51065T1 (en) 1990-03-15

Family

ID=6291710

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86113814T ATE51065T1 (en) 1986-01-13 1986-10-06 BURNERS FOR COMBUSTING FUELS WITH REDUCED FORMATION OF NITROUS OXIDES.

Country Status (3)

Country Link
EP (1) EP0229231B1 (en)
AT (1) ATE51065T1 (en)
DE (2) DE3600665C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262981B (en) * 1991-12-30 1995-08-09 Ind Tech Res Inst Dual fuel low nox burner
FR2766557B1 (en) * 1997-07-22 1999-10-22 Pillard Chauffage LIQUID AND GASEOUS FUEL BURNERS WITH LOW EMISSION OF NITROGEN OXIDES
CZ308899B6 (en) * 2020-12-22 2021-08-11 Vysoké Učení Technické V Brně Air box with flue gas recirculation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT358702B (en) * 1975-01-27 1980-09-25 Manich Leo SWIRL BURNER FOR OIL AND / OR GAS OPERATION
CH622081A5 (en) * 1977-06-17 1981-03-13 Sulzer Ag
US4347052A (en) * 1978-06-19 1982-08-31 John Zink Company Low NOX burner
US4380429A (en) * 1979-11-02 1983-04-19 Hague International Recirculating burner
DE3048201A1 (en) * 1980-12-20 1982-07-08 L. & C. Steinmüller GmbH, 5270 Gummersbach Burner for nitrogen-bearing fuels, with coaxial primary air ducts - has furnace gas recirculating ducts to these ducts, pref. entering at restriction
US4475885A (en) * 1983-07-28 1984-10-09 Bloom Engineering Company, Inc. Adjustable flame burner
DE3327597A1 (en) * 1983-07-30 1985-02-07 Deutsche Babcock Werke AG, 4200 Oberhausen METHOD AND BURNER FOR BURNING LIQUID OR GASEOUS FUELS WITH REDUCED NOX PRODUCTION

Also Published As

Publication number Publication date
DE3669581D1 (en) 1990-04-19
EP0229231A3 (en) 1988-08-31
DE3600665C1 (en) 1987-07-16
EP0229231A2 (en) 1987-07-22
EP0229231B1 (en) 1990-03-14

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee