EP3168533A1 - Irrorateur à liquides - Google Patents

Irrorateur à liquides Download PDF

Info

Publication number: EP3168533A1
Authority: EP; European Patent Office
Prior art keywords: outlet opening; fuel; resonance chamber; sputtering; nozzle according
Prior art date: 2015-11-12
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

EP16450030.8A

Other languages

German (de)

English (en)

Other versions

EP3168533B1 (fr

Inventor

Andreas Kraxner

Thomas Bartonek

Laszlo Klena

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.)

Cs Combustion Solutions GmbH

Original Assignee

Cs Combustion Solutions 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.)

2015-11-12

Filing date

2016-11-10

Publication date

2017-05-17

2016-11-10 Application filed by Cs Combustion Solutions GmbH filed Critical Cs Combustion Solutions GmbH

2017-05-17 Publication of EP3168533A1 publication Critical patent/EP3168533A1/fr

2018-05-16 Application granted granted Critical

2018-05-16 Publication of EP3168533B1 publication Critical patent/EP3168533B1/fr

Status Active legal-status Critical Current

2036-11-10 Anticipated expiration legal-status Critical

Images

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
- F23D11/34—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by ultrasonic means or other kinds of vibrations
- 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/008—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for liquid waste

Definitions

the invention relates to an atomizing nozzle for atomizing liquids, in particular fuel, comprising a central fuel channel having a central outlet opening and a channel for atomizing medium surrounding the fuel channel, which has a Hartmanngenerator and an annular outlet opening surrounding the central outlet opening, wherein the Hartmanngenerator comprises an annular resonance chamber , which is open towards the nozzle axis.
the invention further relates to a burner with such a Zerstäubungsdüse.
Atomizing nozzles of this type in which the annular resonance chamber of the Hartmann generator is open in the direction of the nozzle axis, are, for example, from US 3,908,904 and the AT 285791 B known.
atomizing nozzles with Hartmann generator in which the annular resonance chamber is open to the outside, wherein on the WO 2011/050377 A1 and the AT 339456 B is referenced.
the emerging from the fuel channel fuel is divided by the ultrasonic vibrations generated in the Hartmann generator into fine droplets, whereby the spray pattern of the fuel and the flame shape can be influenced.
the atomization is particularly necessary to increase the surface of the fuel and thus ensure a fast and complete combustion possible.
a Hartmann generator is a sonic or ultrasonic vibrator and includes an annular nozzle via which the pressurized sputtering medium is introduced into a resonance chamber opposite the nozzle in which the sputtering medium is excited to vibrate and a vibrating field is generated in the region of the fuel channel leaking fuel acts to atomize the fuel.
the advantage of such a vibrator is that with a relatively small amount of sputtering medium efficient atomization of the fuel succeeds.
the achievable with the vibrator atomization of the fuel makes it possible to burn fuels that consist only partially of combustible components. In particular, fuels with a high water content can thus be supplied to combustion.
reflector surfaces are provided in such atomization nozzles, which deflect or direct the excited to vibrate sputtering medium in the desired direction.
Such reflector surfaces are usually conical and widen in the axial direction.
Atomizing nozzles of the type mentioned above operate with a pressurized gas, e.g. Compressed air or steam, as a sputtering medium, which is a high cost factor in the operation of a Zerstäubungsdüse. Both the amount of sputtering medium and the apparatus and energy costs for providing the required pressure of the sputtering medium represent cost factors.
a pressurized gas e.g. Compressed air or steam
the invention provides for a spray nozzle of the type mentioned above, that the annular outlet opening is bounded on the inside by a conical guide surface, which converges forward toward the central outlet opening and dips their imaginary extension extending into the rear of the resonance chamber.
the guide surface defining the inside of the vibration chamber exiting the resonance chamber is thus arranged so that the sputtered to the vibration sputtering medium from the outlet from the open side of the resonance chamber in the direction of the central outlet opening of the fuel can propagate inward.
the described design preferably leads to the jet of fuel emerging from the central outlet opening being constricted shortly after it leaves the outlet.
the feature of the inwardly open resonance chamber in this case means that in the cross section of the annular resonance chamber perpendicular to the bottom of the resonance chamber extending line, in particular line of symmetry, extends obliquely inward forward to the nozzle axis.
the term front here refers to the side of the outlet opening of the nozzle or the flow direction of the fuel in the central fuel channel in the direction of the central outlet opening.
the construction according to the invention makes it possible for the atomizing medium to pass directly from the resonance chamber to the central outlet opening, where it can interact with the fuel.
a reflector surface for deflecting the atomizing medium inwards to the fuel is therefore not necessary.
this embodiment means that the speed of the atomizing medium can be selected to be lower, because the atomizing medium is used in a more targeted manner.
the inventive design causes the spray angle of the fuel is greater. As a result, the flame is shorter during operation, whereby the use in small combustion chambers is possible.
the outer edge of the annular outlet opening and the central outlet opening lie substantially in the same plane.
the effect according to the invention can be further enhanced.
the central outlet opening is set back relative to the outer edge of the annular outlet opening. This version is particularly suitable for nozzles that have a short Flame should have. Both embodiments make it possible for the oscillation field emerging from the resonance chamber to impinge on the centrally emerging fuel directly and without obstacles or deflections.
the outer edge of the annular outlet opening is formed by the edge of the resonance chamber.
the resonance chamber is arranged particularly close to the combustion region, whereby a more efficient combustion can be achieved.
the resonance chamber is formed substantially rectangular in longitudinal section. Such a resonance chamber is advantageous for the generation of ultrasonic vibrations and thus for the atomization effect.
the resonance chamber is designed as a circumferential groove.
the further side wall of the resonance chamber encloses an acute angle, preferably an angle of> 45 °, in particular an angle of 60-75 °, with the nozzle axis. This ensures that the sputtering medium is guided obliquely in the direction of the nozzle axis at the exit from the resonance chamber.
the shape of the resulting flame can be influenced by this angle.
a widening, in particular conical, surface is subsequently arranged axially on the outer edge of the annular outlet opening. Perhaps Droplets that have escaped from the flame area bounce off this surface and are returned to the flame. This achieves more efficient combustion.
the fuel channel is bounded on the outside by a guide body and the Zerstäubüngskanal is bounded inside by the guide body.
the guide body is thus arranged between the fuel channel and the Zerstäubungskanal and separates these two channels.
the guide body is preferably formed in one piece, but may alternatively consist of several parts.
the sputtering channel has a deflection which is designed to lead the sputtering medium inclined by 60 ° -100 °, preferably 70 ° -85 ° to the axis via a transmission in the resonance chamber.
the flow of the sputtering medium is not affected too much due to the comparatively small angle of the deflection.
the flow behavior of the atomizing medium is improved and, in particular, a homogeneous discharge from the outlet opening is provided.
the deflection is formed by the guide body and partially protrudes into the resonance chamber.
the deflection is preferably formed integrally with the guide body.
the deflection is formed on a mushroom-shaped extension and the conical guide surface is arranged on the opposite side of the deflection of the mushroom-shaped extension.
the deflection is preferably rounded in order to improve the flow behavior.
the fuel channel to the central outlet opening in particular conically widened.
the flow velocity of the fuel in the flame region can be reduced.
FIG. 1 a longitudinal section of a spray nozzle according to the invention.
Fig. 1 1 is a fuel channel and 2 is a sputtering medium channel.
the fuel channel 1 is completely surrounded by the channel for atomizing medium 2.
a guide element 3 is arranged, which limits the fuel channel 1 on the outside and the channel for atomizing medium 2 inside.
the fuel channel 1 ends in a circular-shaped outlet opening 4, which is arranged within the annular outlet opening 5 of the channel for atomizing medium 2.
the channel for atomizing medium 2 has a resonance chamber 6, which is formed as a groove and rectangular in the longitudinal section shown. 7, the nozzle axis is designated and the arrow 8 indicates the flow direction.
the annular outlet opening 5 is bounded on the inside by a conical guide surface 9, which converges towards the front in the direction of the central outlet opening and whose rearward imaginary extension is inserted into the resonance chamber 6.
the conical guide surface 9 is arranged on a mushroom-shaped extension 10.
a rounded deflection 11 is arranged, which redirects the sputtering medium in the channel 2 at an angle of approximately 90 ° to the nozzle axis 7 and leads via a nozzle in the resonance chamber 6.
the outer edge of the annular outlet opening 5 and the central outlet opening 4 are located substantially in the same plane.
the outer edge of the annular outlet opening 5 is in this case formed by the front edge of the resonance chamber 6.
the fuel channel 1 also has a conical enlargement 13 towards the central outlet opening 4.
fuel or sputtering medium is directed to the exit ports 4 and 5 through the fuel channel 1 and through the sputtering medium channel 2.
the atomizing medium is oscillated in oscillation in the resonance chamber 6 and impinges in the region adjoining the outlet openings 4 and 5 on the fuel, which is thereby atomized.
the atomizing medium is conducted directly to the fuel and not via a reflector surface.
the spray angle of the fuel is larger and the flame therefore shorter. In addition, this reduces the atomization medium consumption.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Environmental & Geological Engineering (AREA)
Fuel-Injection Apparatus (AREA)

EP16450030.8A 2015-11-12 2016-11-10 Irrorateur à liquides Active EP3168533B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ATA722/2015A AT517929A1 (de)	2015-11-12	2015-11-12	Zerstäubungsdüse

Publications (2)

Publication Number	Publication Date
EP3168533A1 true EP3168533A1 (fr)	2017-05-17
EP3168533B1 EP3168533B1 (fr)	2018-05-16

Family

ID=57345849

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP16450030.8A Active EP3168533B1 (fr)	2015-11-12	2016-11-10	Irrorateur à liquides

Country Status (2)

Country	Link
EP (1)	EP3168533B1 (fr)
AT (1)	AT517929A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110102243A (zh) *	2019-03-28	2019-08-09	万荣金坦能源科技有限公司	一种液态燃料膨化裂变气液转换系统及其裂变方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110105997B (zh) *	2019-03-28	2023-07-14	万荣金坦能源科技有限公司	一种液态燃料膨化裂变终端及其裂变方法
CN110105996B (zh) *	2019-03-28	2023-07-11	万荣金坦能源科技有限公司	一种可制冷的液态燃料膨化裂变器及其裂变方法
CN110105998B (zh) *	2019-03-28	2023-07-14	万荣金坦能源科技有限公司	一种液态燃料膨化裂变器及其裂变方法
CN110105999B (zh) *	2019-03-28	2023-07-07	万荣金坦能源科技有限公司	一种可制冷的液态燃料膨化裂变器及裂变方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3667679A (en) *	1969-04-08	1972-06-06	Dumag Ohg Dr Ludwig Kaluza & C	Apparatus for mixing a plurality of gaseous streams
DE2410847A1 (de) *	1974-03-07	1975-09-11	Davy Powergas Gmbh	Vorrichtung zur verbrennung von schwefel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2256442A1 (de) *	1972-11-17	1974-05-22	Davy Powergas Gmbh	Ultraschallzerstaeuber fuer die zerstaeubung von abfallschwefelsaeure und mit diesen ultraschallzerstaeubern ausgestattete saeurespaltoefen
AT341064B (de) *	1975-10-01	1978-01-25	Dumag Ohg	Brennerduse fur verbrennung von ol und bzw. oder brenngas mit einem durch druckgas betriebenen hartmann'schen schall- oder ultraschallschwingungsgenerator
JPS63218273A (ja) *	1987-03-06	1988-09-12	Toa Nenryo Kogyo Kk	液体霧化装置
JPS63218274A (ja) *	1987-03-06	1988-09-12	Toa Nenryo Kogyo Kk	液体霧化装置

2015
- 2015-11-12 AT ATA722/2015A patent/AT517929A1/de not_active Application Discontinuation
2016
- 2016-11-10 EP EP16450030.8A patent/EP3168533B1/fr active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3667679A (en) *	1969-04-08	1972-06-06	Dumag Ohg Dr Ludwig Kaluza & C	Apparatus for mixing a plurality of gaseous streams
DE2410847A1 (de) *	1974-03-07	1975-09-11	Davy Powergas Gmbh	Vorrichtung zur verbrennung von schwefel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110102243A (zh) *	2019-03-28	2019-08-09	万荣金坦能源科技有限公司	一种液态燃料膨化裂变气液转换系统及其裂变方法
CN110102243B (zh) *	2019-03-28	2023-05-23	万荣金坦能源科技有限公司	一种液态燃料膨化裂变气液转换系统及其裂变方法

Also Published As

Publication number	Publication date
EP3168533B1 (fr)	2018-05-16
AT517929A1 (de)	2017-05-15

Publication	Publication Date	Title
EP3168533B1 (fr)	2018-05-16	Irrorateur à liquides
DE19536837B4 (de)	2006-01-26	Vorrichtung und Verfahren zum Einspritzen von Brennstoffen in komprimierte gasförmige Medien
DE10304386B4 (de)	2005-10-13	Doppelfluid-Verwirbelungsdüse mit selbstreinigendem Zapfen
DE2645142A1 (de)	1977-12-08	Verfahren zur erzeugung von gemischten und zerstaeubten fluida und vorrichtung zur durchfuehrung des verfahrens
DE2842232C2 (de)	1985-04-18	Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten, Suspensionen und Emulsionen, agglomerierten Stäuben bzw. Pulvern sowie Mischungen derselben
DE4440558A1 (de)	1996-05-15	Vormischbrenner
DE2220538C2 (de)	1982-11-25	Brenner für flüssigen Brennstoff mit einem Ultraschallzerstäuber
DE827274C (de)	1952-01-10	Verbrennungskammer fuer fluessigen Kraftstoff zur Erzeugung von Gasen fuer Kraftanlagen
EP0718550A1 (fr)	1996-06-26	Gicleur
EP0924459A1 (fr)	1999-06-23	Procédé et dispositif pour l'injection d'un mélange de carburant et de liquide dans une chambre de combustion
EP1999409A1 (fr)	2008-12-10	Système de brûleur
CH702598A1 (de)	2011-07-29	Einspritzdüse sowie Verfahren zum Betrieb einer solchen Einspritzdüse.
DE1964040A1 (de)	1970-07-02	Einrichtung zum Mischen von mindestens zwei fluiden Medien,insbesondere zur Herstellung brennbarer Gemische fluider Medien
DE4230054A1 (de)	1994-03-10	Zerstäuberdüse
DE102007000670B4 (de)	2010-06-24	Kraftstoffeinspritzvorrichtung
EP0050884B1 (fr)	1984-10-31	Pulvérisateur à chambre de résonance pour liquides
AT521116B1 (de)	2020-03-15	Zerstäubungsdüse
DE3117524A1 (de)	1982-08-19	Zerstaeuberduese fuer fluessigkeiten, insbesondere zum zerstaeuben von zu verbrennenden ablaugen
CH463677A (de)	1968-10-15	Zerstäubungsbrenner
DE4209220A1 (de)	1993-09-23	Ablagerungsfreier brenner
DE19854382B4 (de)	2009-01-02	Verfahren und Vorrichtung zur Zerstäubung flüssigen Brennstoffs für eine Feuerungsanlage
DE2554483C2 (de)	1986-08-07	Brennerdüse für Öl und/oder Brenngas mit einem Hartmann'schen Schallschwingungserzeuger
EP1195203B1 (fr)	2008-11-26	Dispositif et procédé de pulvérisation électrostatique de liquides
DE4203775A1 (de)	1993-08-12	Triebwerk
DE4440666A1 (de)	1996-05-09	Zerstäubungsvorrichtung

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