CN1386182A - Atomizing burner - Google Patents

Atomizing burner Download PDF

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Publication number
CN1386182A
CN1386182A CN01802308A CN01802308A CN1386182A CN 1386182 A CN1386182 A CN 1386182A CN 01802308 A CN01802308 A CN 01802308A CN 01802308 A CN01802308 A CN 01802308A CN 1386182 A CN1386182 A CN 1386182A
Authority
CN
China
Prior art keywords
nozzle
described atomizer
atomizer burner
fuel
air
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
CN01802308A
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Chinese (zh)
Other versions
CN1198079C (en
Inventor
费利克斯·沃尔夫
贝恩特·米特曼
克里斯蒂娜·扎林格
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.)
Webasto Thermosysteme GmbH
Original Assignee
Webasto Thermosysteme International 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 Webasto Thermosysteme International GmbH filed Critical Webasto Thermosysteme International GmbH
Publication of CN1386182A publication Critical patent/CN1386182A/en
Application granted granted Critical
Publication of CN1198079C publication Critical patent/CN1198079C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • 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
    • F23C2900/07001—Air swirling vanes incorporating fuel injectors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
  • Spray-Type Burners (AREA)

Abstract

The invention relates to an atomizing burner, especially for use in an automobile auxiliary heating system, comprising an atomizing nozzle (2) for processing the fuel, an ignition device (29) and a combustion chamber (8). An air conduction device (10, 10') is connected upstream of a nozzle holder (3) of the atomizing nozzle (2) in order to achieve finer atomization of the fuel. Said air conduction device subjects the combustion air streaming into the atomizing nozzle (2) to a swirl.

Description

Atomizer burner
The present invention relates to a kind of atomizer burner, in the parking of automobile heating installation, have one and be used to provide the spray nozzle of fuel, an igniter and a combustion chamber.
In different use fields, for example in the auxiliary automotive heater of combustion fuel and in the parking of automobile heating installation, must provide for example to be used for the liquid fuel that burns at a burner and to make it be in a kind of state that is suitable for burning.
A kind of known device especially in parking of automobile heating installation or other mobile unit comprises an object that suction capactity is arranged, and as a fleece, it is supplied to liquid fuel by a fuel tube.Make the fuel that is transfused in this object that suction capactity is arranged be evaporated by the input combustion air flow, can be lighted by means of for example red-hot plug then.
Although the mode of this vaporized liquid fuel has advantage, this device also has shortcoming.In burner in the employed this evaporimeter, must could form available flame with considerable time, this starting time to the burner of having equipped this evaporimeter has a negative impact.
In order to avoid these shortcomings, must develop the atomizer burner that replaces this vaporising device with spray nozzle.But show that employed spray nozzle can not under any circumstance all produce desired injected fuel spray in atomizer burner.
Therefore, task of the present invention is, a kind of atomizer burner is provided, and this atomizer burner can be realized high-quality injected fuel spray and the high efficiency that realizes burner under the situation of burner fast starting, and this atomizer burner can be made and move simple economy.
According to the present invention, for such atomizer burner, the solution of this task is that at the device of a diversion air of the nozzle carrier front of this spray nozzle connection, this device applies a kind of eddy current effect to the combustion air that flows in the spray nozzle.Thereby by making nozzle air produce the efficient that eddy current can obviously improve atomization quality and improve atomizer burner, because the speed of combustion air or nozzle air is improved owing to having acted on the tangential motion component.
Favourable scheme of the present invention provides in the dependent claims.
If settle diffuser in the venturi,, the opening angle of the raising diffuser of eddy current increases along with meeting the destination in the back of this device.
In a favourable scheme, the device of diversion air has swirl vane, and these swirl vanes lead at combustion air flow on the approach of spray nozzle it is applied eddy current effect.
What meet purpose is, swirl vane is placed on the bearing that is contained on the nozzle carrier, and each two swirl vane forms a tapered channel with bearing and nozzle carrier.Thereby can adjust the tangential air component and adjust the nozzle air eddy current by the angle of adjusting swirl vane with respect to a sagittal plane.At this, swirl vane approximate radial or settle towards radial skew ground substantially.Swirl vane can flatly or agley constitute on flow direction.
According to another kind of preferred version regulation, the device of diversion air has an alms bowl shape cover, puts at this to constitute axial drilling and tangential boring, and this cover is fixed on the nozzle carrier, wherein this fixing can shape in conjunction with or material form in combination.Perhaps this cover can be inserted on the nozzle carrier.
Axial drilling and the so mutual coordination of tangential boring make the eddy current effect that combustion air is determined.Like this, can determine the characteristic of eddy current by size, layout and the structure of selecting tangential boring and axial drilling.
Spray nozzle preferably has an internal cross section, this internal cross section has a kind of pressure distribution on its extension, this pressure distribution has the value that descends with respect to the pressure that acts in the fuel delivery means at least around the outlet of fuel delivery means near fuel.Pressure descends measures such selection, makes fuel be pumped out from fuel delivery means and is sprayed there.This internal cross section of spray nozzle meets the destination and constitutes as nozzle in the venturi.
From learning other characteristic of the present invention and advantage the description of preferred embodiments with reference to the accompanying drawings.Be illustrated as:
Fig. 1 illustrates a preferred embodiment of spray nozzle of the present invention with the longitudinal profile schematic diagram;
Fig. 2 goes out the device of the diversion air of atomizer burner shown in Figure 1 with three-dimensional icon;
Fig. 3 illustrates one second preferred embodiment of spray nozzle of the present invention with the longitudinal profile schematic diagram;
Fig. 4 illustrates out diversion air device embodiment illustrated in fig. 3 with the horizontal section along Fig. 3 center line A-A;
Fig. 5 illustrates the another kind of configuration of diversion air device with horizontal section schematic diagram shown in Figure 4.
Atomizer burner that is used in particular in the parking of automobile heating installation comprises spray nozzle 2, a fuel supply system 4 and combustion chamber 8 that is used for liquid fuel is transported to the spray area 6 of spray nozzle 2 that one of (see figure 1) has nozzle carrier 3, and this combustion chamber is surrounded by a heat shield piece 9 as peripheral border.Connect the device 10 of a diversion air in nozzle carrier 3 fronts of spray nozzle 2, this device applies the vortex effect to the nozzle air that flows in the spray nozzle 2.In the embodiment shown in fig. 1, spray nozzle 2 constitutes as nozzle in the venturi, the spray area 6 that it has an air flow channel 5 and widens to flow direction, and quilt is by the spraying airflow passes in the device 10 inflow spray nozzles 2 of diversion air.Liquid or fuel delivery means 11, for example fuel pin extend in the air flow channel 5 of spray nozzle 2 (also seeing Fig. 2), and fuel delivery means 11 has one and determines the outlet 13 that is provided with.At this, fuel delivery means 11 preferably is positioned on the central axis 7 of the air flow channel 5 of nozzle in spray nozzle 2 or the venturi and spray area 6.
If flow through combustion air flow in the spray nozzle 2, then in spray nozzle 2, form a kind of pressure distribution, wherein in air flow channel 5, at first produce a high static pressure, this pressure along the flow direction towards spray area 6 descend and the outlet 13 of the fuel delivery means 11 of the fuel of waiting to spray on reach its minimum of a value.From fuel delivery means 11 be transported to outlet 13 fuel from exporting when discharging 13 since this high air velocity divide, thereby sprayed, thus, be transported to from fuel delivery means 11 and export 13 fuel and aspirated in one way.Fuel delivery means 11 can be a pipeline, a fuel pin or a jet nozzle so that the approximate no pressure of fuel that will be to be sprayed be transported in the venturi in the nozzle.
Because the spray nozzle 2 in the burner form of implementation shown in Figure 1 bears high thermic load, its most handy pottery is made.Ceramic material has significant thermomechanical property aspect advantage as substituting the material that uses mutually with steel, for example has lower capacity of heat transmission and lower hot lengthening coefficient.
In atomizer burner form of implementation shown in Figure 1, the device 10 of diversion air comprises a bearing 12 of settling with end face 15 partition distance of nozzle carrier 3 and constituting as disk, and this bearing forms a circumferential weld crack 14 with the end face 15 of nozzle carrier 3.Settled swirl vane 17 on bearing 12, they are towards the end face 15 of nozzle carrier 3 and recline thereon under installment state.Swirl vane 17 arrangement of upwards staggering in the footpath of passing bearing 12 central points that formed by fuel delivery means 11 respectively on bearing 12 is to produce a tangential components of flow.Each two swirl vane 17 forms tapered channel 19 (see figure 2)s with bearing 12 and nozzle carrier 3.The combustion air flow that flows to by circumferential weld crack 14 is applied a kind of eddy current effect by swirl vane 17 and tapered channel 19 when flowing into spray nozzle 2.
In form of implementation shown in Figure 1, heat shield piece 9 and combustion chamber 8 have auxiliary air hole 16 on its end, and they can be distributed in the annular rim region at the end of heat shield piece 9.In these auxiliary air holes 16 two only are shown in Fig. 1 for example.Also can on the sidewall of heat shield piece 9 or peripheral wall, the auxiliary air hole be set in addition.The heat shield piece 9 of combustion chamber 8 for example is fixedly mounted on the nozzle carrier 3 by bolt 23 by a seal 18 and a flange 20 as independent member.Flange 20 comprises the device 21 of an other diversion air, and it is used for making the auxiliary air formation eddy current that flows into combustion chamber 8 by auxiliary air hole 16.The device 21 of this diversion air comprises the swirl vane 25 that approximate radial is settled equally in a circumferential weld crack 22, they make the tangential components of flow of generation and form eddy current by the mode of having described.
In addition, atomizer burner comprises the part of blocking in flame zone on the injected fuel spray direction in combustion chamber 8, and this preferably block plate 24 of part of blocking, this block plate can tapers, convex or spill ground constitute.In this form of implementation, block plate 24 is alms bowl shape and constitutes as the dish that has against the bead 26 of injected fuel spray direction, and wherein the diameter of block plate 24 is less than the diameter of combustion chamber 8, and the diameter ratio of the diameter of block plate 24 and combustion chamber 8 is preferably between 0.6 to 0.9.Block plate 24 is fixed on the heat shield piece 9 by stator 28.The axial distance of the injected fuel spray point of block plate 24 to the outlet 13 of fuel delivery means 11 and combustion chamber 8 diameter ratios are preferably between 0.3 to 0.6.The igniter 29 that with dashed lines schematically shows is used to light the fuel of being sprayed, and it is followed, and nozzle is placed in the combustion chamber 8 in the venturi.
One second form of implementation of atomizer burner (is seen Fig. 3 and 4, wherein with first form of implementation in components identical be denoted by like references) comprise the device 10 of a diversion air ', this device has the cover 30 of an alms bowl shape, in the end of this cover, constitute axial blow vent 3, for example axial drilling, constitute peripheral blow vent 34 in its peripheral wall 33, these peripheral blow vents are because its direction is also referred to as tangential hole.Cover 30 is fixed on the nozzle carrier 3 of spray nozzle 2, for example by be inserted on the nozzle carrier 3 or by other shape in conjunction with connecting, can transmitting the connection of power or the connection of material combination.Axial drilling 32 and tangential boring 34 so mutual coordinations make the combustion air that flows into air flow channel 15, flows in the spray area 16 then be applied in a kind of definite eddy current effect.
Fig. 4 illustrates axial blow vent or axial drilling 32 and peripheral blow vent for example or tangentially holes 34 in a kind of arrangement of overlapping in 30.By changing opening or hole 32,34 quantity and size thereof and settle the eddy current that to adjust combustion air flow as requested.
Alms bowl shape shown in Figure 5 cover 30 has blow vent 35 on its peripheral wall 33, they towards the center of cover 30 respectively by air conducting blade 36 limited boundaries.The combustion air that flows into is applied a tangential components of flow by air conducting blade 36.
Obviously, also can adjust to desired air conducting effect by each feature that makes up in two forms of implementation.
Device 22 circumferential weld cracks 24 block plates, 25 swirl vanes, 26 beads, 28 stators, 29 igniters, 30 covers, 32 axial drillings, 33 peripheral walls, 34 blow vents, 35 blow vents, the 36 air conducting blades of device 11 fuel delivery means 12 bearings 13 outlets 14 circumferential weld cracks 15 end faces, 16 auxiliary airs, 17 swirl vanes, 18 seals, 19 passages, 20 flanges, 21 diversion airs of the device 10 ' diversion air of reference number 2 spray nozzles 3 nozzle carriers 4 fuel supply systems 5 air flow channels 6 spray area 7 central axis 8 combustion chambers 9 heat shield pieces, 10 diversion airs

Claims (12)

1. atomizer burner, particularly use in the parking of automobile heating installation, have a spray nozzle (2) that is used to provide fuel, igniter and a combustion chamber (8), it is characterized in that, the device (10 that connects a diversion air in nozzle carrier (3) front of spray nozzle (2), 10 '), this device applies an eddy current effect to the combustion air that flows into spray nozzle (2).
2. by the described atomizer burner of claim 1, it is characterized in that the device of diversion air (10) has swirl vane (17).
3. by the described atomizer burner of claim 2, it is characterized in that, swirl vane (17) is placed on the bearing (12) that is installed on the nozzle carrier (3), and each two swirl vane (17) forms a tapered channel (19) with bearing (12) and nozzle carrier (3).
4. by the described atomizer burner of claim 1, it is characterized in that, the device of diversion air (10 ') has an alms bowl shape cover (30) that is fixed on the nozzle carrier (3), and this alms bowl shape cover has axial blow vent (32) that constitutes therein and the peripheral blow vent (34 that forms in a peripheral wall (33); 35).
5. by the described atomizer burner of claim 4, it is characterized in that peripheral vent (34) is the boring near the tangential formation of peripheral wall (33).
6. by claim 4 or 5 described atomizer burners, it is characterized in that, on peripheral blow vent (35), settled air conducting blade (36).
7. by one of claim 4 to 6 described atomizer burner, it is characterized in that, axially blow vent (32) and peripheral blow vent (34; 35) so mutual coordination makes combustion air be applied in definite eddy current effect.
8. by one of claim 4 to 7 described atomizer burner, it is characterized in that cover (30) is connected in combination with nozzle carrier (3) shape.
9. by one of claim 4 to 7 described atomizer burner, it is characterized in that cover (30) is connected in combination with nozzle carrier (3) material.
10. by one of claim 4 to 7 described atomizer burner, it is characterized in that cover (30) is inserted on the nozzle carrier (3).
11. by one of aforementioned claim described atomizer burner, it is characterized in that, spray nozzle (2) has an internal cross section, it has static pressure and distributes on its whole extension, at least the outlet (13) from fuel delivery means (11) has its minimum of a value on every side to this pressure distribution near fuel, realize high flowing velocity thus, this flowing velocity makes fuel be hauled out from fuel delivery means (11) and sprayed.
12., it is characterized in that spray nozzle (2) is a nozzle in the venturi by one of aforementioned claim described atomizer burner.
CNB018023088A 2000-08-06 2001-08-06 Atomizing burner Expired - Fee Related CN1198079C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10039152.4 2000-08-06
DE10039152A DE10039152A1 (en) 2000-08-06 2000-08-06 atomizer burner

Publications (2)

Publication Number Publication Date
CN1386182A true CN1386182A (en) 2002-12-18
CN1198079C CN1198079C (en) 2005-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB018023088A Expired - Fee Related CN1198079C (en) 2000-08-06 2001-08-06 Atomizing burner

Country Status (10)

Country Link
US (1) US20030022123A1 (en)
EP (1) EP1305551B1 (en)
JP (1) JP2004506167A (en)
KR (1) KR100771965B1 (en)
CN (1) CN1198079C (en)
AU (1) AU2001285874A1 (en)
DE (2) DE10039152A1 (en)
HU (1) HUP0203137A2 (en)
PL (1) PL196411B1 (en)
WO (1) WO2002012792A1 (en)

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CN102563643A (en) * 2010-11-02 2012-07-11 J.艾伯施拜谢有限责任两合公司 Combustion chamber assembly and ignition element therefor
CN104145161A (en) * 2012-02-27 2014-11-12 韦巴斯托股份公司 Mobile heating unit which is operated by way of liquid fuel
US9759448B2 (en) 2012-02-27 2017-09-12 Webasto SE Mobile heating device operated with liquid fuel
CN107379924A (en) * 2017-09-04 2017-11-24 郑州振资汽车配件有限公司 Baffle assembly for the empty warm heater of parking
US9970653B2 (en) 2012-02-27 2018-05-15 Webasto SE Mobile heating unit operated by means of liquid fuel

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EP1423189B1 (en) * 2001-09-05 2007-08-15 Webasto Thermosysteme International GmbH System for converting fuel and air into a reformate and method for mounting such a system
DE10218623B4 (en) * 2002-04-25 2004-03-25 Webasto Thermosysteme International Gmbh Atomizer burner for a heater
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DE10224350B3 (en) * 2002-05-29 2004-01-22 Webasto Thermosysteme International Gmbh Atomizer burner with a Venturi tube for a heater
DE10227810B4 (en) * 2002-06-21 2004-08-26 Webasto Thermosysteme International Gmbh Burner for a heater with a baffle plate
DE10241791B4 (en) * 2002-09-06 2004-09-23 Webasto Thermosysteme International Gmbh Burner, especially Venturi burner, with a combustion chamber tube
CN1748108A (en) * 2003-02-28 2006-03-15 韦巴斯托股份公司 Nozzle for spraying liquid fuel
ITBG20030016A1 (en) * 2003-02-28 2004-09-01 Benetton Group S P A Ora Benetton Trading Usa In IMPROVED SPORTS RACKET STRUCTURE WITH OPENINGS ON THE FRAME
EP1597516A1 (en) 2003-02-28 2005-11-23 Webasto AG System for supplying combustion air and liquid fuel into a burner
DE10331575B4 (en) * 2003-07-11 2005-08-25 Webasto Ag Burner for a heater with a fuel nozzle
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CA2601319A1 (en) * 2004-11-17 2006-05-26 Webasto Ag Burner for a heating device with improved fuel supply
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Publication number Priority date Publication date Assignee Title
CN102563643A (en) * 2010-11-02 2012-07-11 J.艾伯施拜谢有限责任两合公司 Combustion chamber assembly and ignition element therefor
US9121603B2 (en) 2010-11-02 2015-09-01 Eberspaecher Climate Control Systems Gmbh & Co. Kg Combustion chamber assembly and ignition element therefor
CN102563643B (en) * 2010-11-02 2016-01-06 J.艾伯施拜谢有限责任两合公司 Combustion-chamber assembly and vehicle heater
CN104145161A (en) * 2012-02-27 2014-11-12 韦巴斯托股份公司 Mobile heating unit which is operated by way of liquid fuel
US9759448B2 (en) 2012-02-27 2017-09-12 Webasto SE Mobile heating device operated with liquid fuel
US9970653B2 (en) 2012-02-27 2018-05-15 Webasto SE Mobile heating unit operated by means of liquid fuel
CN107379924A (en) * 2017-09-04 2017-11-24 郑州振资汽车配件有限公司 Baffle assembly for the empty warm heater of parking

Also Published As

Publication number Publication date
KR20020033213A (en) 2002-05-04
JP2004506167A (en) 2004-02-26
KR100771965B1 (en) 2007-11-01
EP1305551A1 (en) 2003-05-02
HUP0203137A2 (en) 2003-01-28
CN1198079C (en) 2005-04-20
EP1305551B1 (en) 2007-01-10
WO2002012792A1 (en) 2002-02-14
DE10039152A1 (en) 2002-02-14
PL353403A1 (en) 2003-11-17
US20030022123A1 (en) 2003-01-30
DE50111858D1 (en) 2007-02-22
AU2001285874A1 (en) 2002-02-18
PL196411B1 (en) 2007-12-31

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