EP0287596A1 - Bruleur pour la combustion de combustible liquide. - Google Patents

Bruleur pour la combustion de combustible liquide.

Info

Publication number
EP0287596A1
EP0287596A1 EP87906554A EP87906554A EP0287596A1 EP 0287596 A1 EP0287596 A1 EP 0287596A1 EP 87906554 A EP87906554 A EP 87906554A EP 87906554 A EP87906554 A EP 87906554A EP 0287596 A1 EP0287596 A1 EP 0287596A1
Authority
EP
European Patent Office
Prior art keywords
mixing chamber
air
burner according
housing
chamber
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.)
Granted
Application number
EP87906554A
Other languages
German (de)
English (en)
Other versions
EP0287596B1 (fr
Inventor
Alois Stockl
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.)
OLYMP-WERK A SCHWARZ GmbH
OLYMP WERK A SCHWARZ GmbH
Original Assignee
OLYMP-WERK A SCHWARZ GmbH
OLYMP WERK A SCHWARZ GmbH
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 OLYMP-WERK A SCHWARZ GmbH, OLYMP WERK A SCHWARZ GmbH filed Critical OLYMP-WERK A SCHWARZ GmbH
Publication of EP0287596A1 publication Critical patent/EP0287596A1/fr
Application granted granted Critical
Publication of EP0287596B1 publication Critical patent/EP0287596B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
    • F23D11/102—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet in an internal mixing chamber
    • F23D11/103—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet in an internal mixing chamber with means creating a swirl inside the mixing chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/005—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space with combinations of different spraying or vaporising means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/40—Mixing tubes or chambers; Burner heads
    • F23D11/402—Mixing chambers downstream of the nozzle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/44—Preheating devices; Vaporising devices
    • F23D11/441—Vaporising devices incorporated with burners
    • F23D11/448—Vaporising devices incorporated with burners heated by electrical means

Definitions

  • Latitudes only make sense for the heating transition period.
  • the payback period for such a system is at least 5 years.
  • the object of the invention is to develop a burner which, with an output of 5-15 kW, enables optimal combustion with the highest degree of firing and which is nevertheless inexpensive.
  • the principle of oil gasification was chosen because of the optimal combustion that can be achieved with it.
  • European patent specification 28 025 describes a method and an apparatus for producing
  • Start and switch-off behavior The gasification of the heating oil must be fully initiated in a fraction of a second when the burner starts - and it must also be possible to interrupt it immediately when the oil burner is switched off. If this is not the case, when the oil burner is started and switched off, oil vapor is lost due to a lack of ignitability.
  • the object of the invention was achieved by overcoming the problems mentioned in that the housing of the mixing chamber can be heated by at least one electrical resistance heating element and that the length of the mixing chamber is greater than its diameter and the lateral openings are at least approximately over the entire length of the housing extend.
  • the electric radiator or radiators inserted into the housing of the mixing chamber brings the housing to a temperature of 400 ° C. Only when this temperature is reached is the combustion air supplied first and then the oil supply.
  • the oil which enters the vacuum zone of the hot air cyclone directly from the feed tube, is roughly atomized by the rotating hot air movement and the vacuum and gasified in a split second by the hot air and radiant heat.
  • the gasified oil is mixed by an additional hot air supply to an air ratio n 1.1 to 1.15.
  • a baffle plate is advantageously arranged on the outlet side of the mixing chamber.
  • the ignitable gas-air mixture is ignited in front of the baffle plate by means of an ignition electrode and burns as a blue flame, absolutely soot-free and almost CO-free.
  • the radiant heat from the combustion chamber heats the combustion air to 80 to 90%, so that only 10 to 20% electricity (approx. 150 - 250 watts / h) is required for further gasification.
  • the gasification temperature can be reduced to 300 ° C during operation.
  • the openings through which the air is introduced into the mixing chamber can be rows of holes or slots, or a combination of both.
  • the openings open tangentially into the mixing chamber, whereby the best swirl effect is achieved.
  • the burner is advantageously arranged directly in the combustion chamber, so that the air is heated before it enters the mixing chamber. To ensure that warm air enters through all openings and not already cold air when
  • At least one deflection channel is provided.
  • FIGS. 1 to 4 each show a schematic longitudinal section through a burner according to the invention and FIG. 5 shows a section along the line A-A of FIGS. 1 to 4.
  • the channel-shaped mixing chamber 1 is surrounded by a cylindrical housing 2, in which electrical resistance heating elements 3 are inserted.
  • the lateral openings through which air is led into the mixing chamber 1 are formed by holes 4 and slots 5.
  • the holes 4 and the slots 5 open tangentially into the mixing chamber 1.
  • the air chamber 6 is formed by a housing 7.
  • a deflection channel 8 In the air chamber 6 there is a deflection channel 8, so that the air, as can be seen in the figures of the drawing, is first guided from the rear to the front end of the housing 2 and then returned again, whereby it passes through the bores 4 and the slots 5 into the Mixing chamber 1 arrives.
  • the counter heating elements 3 are able to heat the housing 2 to 400 °. As already mentioned, this is only necessary when the burner is started, after which the temperature can be lowered and the temperature from the combustion chamber can also be used.
  • the liquid fuel for example light heating oil
  • the feed pipe 9 extends into the vacuum area formed by the tangentially entering air, so that the fuel is roughly atomized immediately.
  • the temperature prevailing in the mixing chamber 1 immediately leads to gasification of the fuel.
  • a storage plate 10 is arranged on the outlet side of the mixing chamber 1.
  • An ignition rod 11 is located in front of the storage plate 10.
  • a block 12 is arranged at the front end of the housing 2, which protrudes into the storage plate 10 and into the flame.
  • the block 12 causes heat to be dissipated from the flame to the housing 2. This means on the one hand an energy saving and on the other hand a reduction in the NOX values.
  • a reduction in the NOX values is also achieved in the exemplary embodiment according to FIG. 3, in which an annular secondary air opening 13 is provided in addition to the storage plate 10.
  • a baffle plate 10 is also arranged on the outlet side of the mixing chamber 1.
  • the housing 2 has a flange 15 on the flame side, which forms the end of the air chamber 6.
  • preheated air in the mixing chamber 1 can pass the baffle plate 10 at the gap 16 and, on the other hand, secondary air reaches the flame through the bores 17 directly from the air chamber 6.
  • a temperature sensor 14 can also be inserted into the housing 2.

Landscapes

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

Abstract

Le combustible et l'air sont réunis dans une chambre de mélange (1) cylindrique dans laquelle une dépression peut être créee. L'air est introduit dans la chambre de mélange (1) via des ouvertures latérales pratiquées dans le logement (2) de cette dernière, depuis une chambre d'air (6) circonvoisine de la chambre de mélange (1). Il se forme dans cette dernière un cyclone et le combustible pénètre dans ladite chambre (1) dans l'axe médian longitudinal de cette dernière. Le logement (2) de la chambre de mélange (1) peut être chauffé par au moins un corps de chauffe à résistance électrique (3). La longueur de la chambre de mélange (1) est supérieure à son diamètre, et les ouvertures latérales s'étendent au moins approximativement sur toute la longueur du logement (2) et sont des fentes (5) ou des alésages (4) qui débouchent tangentiellement dans la chambre de mélange (1).
EP87906554A 1986-10-27 1987-10-13 Bruleur pour la combustion de combustible liquide Expired - Lifetime EP0287596B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2855/86 1986-10-27
AT285586 1986-10-27

Publications (2)

Publication Number Publication Date
EP0287596A1 true EP0287596A1 (fr) 1988-10-26
EP0287596B1 EP0287596B1 (fr) 1990-03-28

Family

ID=3541371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87906554A Expired - Lifetime EP0287596B1 (fr) 1986-10-27 1987-10-13 Bruleur pour la combustion de combustible liquide

Country Status (2)

Country Link
EP (1) EP0287596B1 (fr)
WO (1) WO1988003249A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824160A1 (de) * 1988-07-16 1990-01-18 Erno Raumfahrttechnik Gmbh Hochleistungstriebwerk
DE19801224A1 (de) * 1998-01-15 1999-07-22 Hohenberg Eberhard Clemm Von Flammrohrausbildung für Brenner
DE19821672A1 (de) * 1998-05-14 1999-11-18 Walter Swoboda Vormischbrenner für flüssige Brennstoffe
JP4920597B2 (ja) * 2004-12-08 2012-04-18 エル・ピー・ピー コンバスション エル・エル・シー 液体炭化水素燃料を調整する方法および装置
DE102004059148A1 (de) * 2004-12-08 2006-06-14 Webasto Ag Brennervorrichtung für flüssigen Brennstoff
US10422534B2 (en) * 2006-06-26 2019-09-24 Joseph Michael Teets Fuel air premix chamber for a gas turbine engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090420A (en) * 1960-01-20 1963-05-21 Sacco Ernesto Burner for liquid fuels
US4013396A (en) * 1975-08-25 1977-03-22 Tenney William L Fuel aerosolization apparatus and method
DE3005042C2 (de) * 1978-06-28 1986-03-27 Smit Ovens Nijmegen B.V., Nijmegen Brenner für flüssigen Brennstoff mit einer Wirbelkammer
JPS5653308A (en) * 1979-10-03 1981-05-12 Hitachi Ltd Liquid fuel evaporation type combustor
DE3102416A1 (de) * 1981-01-26 1982-08-12 Holec Furnaces B.V., 6500 Nijmegen "brenneranordnung zur verbrennung fluessiger brennstoffe"

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8803249A1 *

Also Published As

Publication number Publication date
WO1988003249A1 (fr) 1988-05-05
EP0287596B1 (fr) 1990-03-28

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