EP1915219A1 - Zweistoffzerstäubervorrichtung - Google Patents
ZweistoffzerstäubervorrichtungInfo
- Publication number
- EP1915219A1 EP1915219A1 EP06762857A EP06762857A EP1915219A1 EP 1915219 A1 EP1915219 A1 EP 1915219A1 EP 06762857 A EP06762857 A EP 06762857A EP 06762857 A EP06762857 A EP 06762857A EP 1915219 A1 EP1915219 A1 EP 1915219A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- opening
- liquid
- mixing channel
- atomizing device
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
- B05B7/0475—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber with means for deflecting the peripheral gas flow towards the central liquid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0491—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid
-
- 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
- F23D11/38—Nozzles; Cleaning devices therefor
Definitions
- the invention relates to a Zweistoffzerstaubervortechnische for the atomization of a liquid in a gas stream according to the first claim.
- gas-assisted atomizers hereinafter referred to as dual-fluid atomizers.
- the energy necessary for the atomization of the liquid is introduced via the gas (air, steam or inert gases), i. about the relative velocity between gas and liquid.
- the liquid is injected directly into the gas stream and atomized by the gas flow.
- the aforementioned atomiser group also includes internally mixing two-component atomizing devices with a coaxial fluidity template. They are usually distinguished by a rotationally symmetrical design of the atomizer assembly and have a mixing channel arranged in the device, in which the liquid feed and the gas supply extend and which in turn has an outlet opening to the environment. The atomized liquid-gas mixture exits the exit port as a finished product and is thus different from systems where atomization occurs outside the device (e.g., paint spray guns).
- DE 35 25 161 A1 discloses a corresponding design of the mixing channel outlet of a device for atomizing the liquid or high-viscosity fuels.
- the technique is to propose a universally applicable Zweistoffzerstau- baubvorraum, which does not have the aforementioned limitations and in particular an adaptation to itself during a continuous operation changing framework conditions such. allows the device temperature at the mixing channel wall.
- An essential feature of the invention lies in the controllable adjustability of the Eindusungso réelle in its geometry, i. in its cross section and thus in its stromungsischen interpretation.
- the measures of changes in the Stromungsverhaltnisse to be included in the concept of adjustability, which are changed by the means used for this, even if they do not attack directly on the Duseno Matt.
- the channel cross-section changes not only at the Eindusungso réelle, but also in the upstream Gasbowung to Eindusungso réelle.
- Fig.l a side sectional view of a first embodiment and 2 shows a side sectional view of an alternative embodiment.
- Both embodiments of the two-component atomizing device comprise a liquid feed 1 in a preferably tubular liquid feed housing 2 with (distal-side) nozzle opening 3 and a gas feed 4 arranged concentrically around the liquid feed or the liquid feed housing, the nozzle opening ending in the gas feed.
- a liquid feed 1 in a preferably tubular liquid feed housing 2 with (distal-side) nozzle opening 3 and a gas feed 4 arranged concentrically around the liquid feed or the liquid feed housing, the nozzle opening ending in the gas feed.
- a gas branch 8 arranged concentrically with the aforementioned components is provided, which is separated from the gas supply 4 before an input of the liquid, i. branches off before reaching the Duseno réelle 3 and ausmundet in an annular Eindu- sungso réelle 11 at the exit opening 6.
- the gas branches are realized, for example, by a plurality of concentrically arranged around the line of symmetry 7 holes 9 in the mixing channel housing 10.
- the Eindusungso réelle 11 axially and preferably at an acute angle, i. parallel as far as technically feasible to the mixing channel wall 12 directly at and around the outlet opening 6, whereby a jacket flow 13 is formed around the atomized material mixture 14 occurring via the outlet opening (see Fig. 1) and the liquid film deposited on the mixing channel wall 12 is entrained becomes.
- the means for adjusting comprise a sleeve nut 15 with bore 16, which is adjustable via a thread relative rotation on a thread 17 on the mixing channel housing 10.
- Fig.l discloses compositions wherein the threaded screw cap 15 on its circumferential surface 19 a form gleichig fixable and movable ⁇ pro-regulation has twentieth
- the profiling is preferably realized by a toothing, wherein the teeth in the operating state entwe- which is driven by a not shown form gleichig ah profiling attacking chain, belt or gear arrangement of an adjustment.
- frictional engaging adjusting drives are also suitable, but the frictional engagement would have to be ensured in each operating state that occurs.
- FIG. 2 shows by way of example means in which the threaded screw cap 15 is formed by a housing 18 for all other components (1 to 14) of the two-component atomizing nozzle.
- an adjustment takes place via a rotation of either the aforementioned components of the two-substance nozzle in the stationary housing 18 or of the housing 18 on the thread 17 of the otherwise fixed two-component atomizer nozzle (components (1 to 14)).
- the exit opening 11 can lie with the bore 16 on the same plane (eg in Fig.l) or be arranged offset (see Fig.2), wherein a change of these two states, which also determines the direction of Einstromungsutter by the aforementioned means while of ongoing operation is possible.
- the core of the invention is only a part that is as low as possible and optimally adjustable in its volume flow during operation (about 10%, not more than 20%) of the atomizing gas in front of the mixing channel, ie before the contact of the gas with the liquid lead to the exit opening 11 coaxial annular gap 21.
- the gas leaving the annular gap comes into contact outside the two-substance atomizer nozzle with the dripping of the channel wall film and tears it 1 , on.
- the main advantage of this two-component atomizing device is that it optimally optimally sets the wall film occurring at the mixing channel wall, ie to atomize it effectively and at the same time economically.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005039412A DE102005039412A1 (de) | 2005-08-20 | 2005-08-20 | Zweistoffzerstäubervorrichtung |
| PCT/EP2006/007432 WO2007022847A1 (de) | 2005-08-20 | 2006-07-27 | Zweistoffzerstäubervorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1915219A1 true EP1915219A1 (de) | 2008-04-30 |
| EP1915219B1 EP1915219B1 (de) | 2009-02-11 |
Family
ID=37084649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06762857A Active EP1915219B1 (de) | 2005-08-20 | 2006-07-27 | Zweistoffzerstäubervorrichtung |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20080210771A1 (de) |
| EP (1) | EP1915219B1 (de) |
| JP (1) | JP5032478B2 (de) |
| CN (1) | CN100574895C (de) |
| AT (1) | ATE422395T1 (de) |
| CA (1) | CA2614491A1 (de) |
| DE (2) | DE102005039412A1 (de) |
| DK (1) | DK1915219T3 (de) |
| ES (1) | ES2319692T3 (de) |
| WO (1) | WO2007022847A1 (de) |
| ZA (1) | ZA200707443B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005048489A1 (de) * | 2005-10-07 | 2007-04-19 | Dieter Prof. Dr.-Ing. Wurz | Zweistoffdüse mit Ringspaltzerstäubung |
| DE102010019771A1 (de) * | 2010-05-07 | 2011-11-10 | Dürr Systems GmbH | Zerstäuber mit einem Gittermischer |
| CN103115359B (zh) * | 2012-12-15 | 2015-04-08 | 中国航天科技集团公司第六研究院第十一研究所 | 一种雾化高粘流体的气体辅助雾化喷嘴 |
| US10245602B2 (en) | 2014-10-09 | 2019-04-02 | Spraying Systems Manufacturing Europe Gmbh | Atomizer nozzle |
| CN106423606A (zh) * | 2016-09-26 | 2017-02-22 | 东南大学 | 三流式雾化喷嘴 |
| DE102017113207A1 (de) | 2017-06-15 | 2018-12-20 | Alfons Kenter | Zerstäuberdüse zum Zerstäuben eines Fluids |
| CN107811844A (zh) * | 2017-10-17 | 2018-03-20 | 李书平 | 一种妇产科外阴清洗装置 |
| DE102018101520A1 (de) | 2018-01-24 | 2019-07-25 | Karlsruher Institut für Technologie | Zweistoffdüse |
| CN111013847B (zh) * | 2019-12-10 | 2021-01-01 | 江苏浪势塑粉有限公司 | 一种飞溅率低的涂料喷涂机的喷枪装置 |
| CN113275145B (zh) * | 2021-07-23 | 2021-09-24 | 南通日旭重工科技有限公司 | 喷枪及具有其的油漆喷涂设备 |
| CN116787585B (zh) * | 2023-06-29 | 2025-10-03 | 江西斯米克陶瓷有限公司 | 一种瓷砖生产工艺用的喷釉装置及方法 |
Family Cites Families (45)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US792265A (en) * | 1904-04-28 | 1905-06-13 | James F Higgins | Hydrocarbon-burner. |
| US2042746A (en) * | 1934-01-18 | 1936-06-02 | Vilbiss Co | Spray head |
| US2139133A (en) * | 1936-09-28 | 1938-12-06 | Jens A Paasche | Airbrush |
| US2551276A (en) * | 1949-01-22 | 1951-05-01 | Gen Electric | Dual vortex liquid spray nozzle |
| DE857924C (de) * | 1949-06-03 | 1952-12-04 | Emil Dr-Ing Kirschbaum | Zerstaeubungsduese |
| US2930532A (en) * | 1958-12-19 | 1960-03-29 | Oce W Johnson | Spray gun nozzle |
| US3533558A (en) * | 1967-05-17 | 1970-10-13 | Niro Atomizer As | Liquid atomizer nozzle |
| US3464633A (en) * | 1967-11-16 | 1969-09-02 | Trw Inc | Multiple fluid controlling shear valve |
| DE1903595A1 (de) * | 1968-01-25 | 1969-10-09 | Daido Sanso Kabushiki Kaisha O | Verfahren und Vorrichtung zum fortlaufenden Erzeugen einer Flamme von hoher Temperatur |
| JPS4829606B1 (de) * | 1969-08-07 | 1973-09-12 | ||
| DE2005972C3 (de) * | 1970-02-10 | 1982-06-16 | Basf Ag, 6700 Ludwigshafen | Zerstäuberkopf |
| US4020982A (en) * | 1975-10-10 | 1977-05-03 | Leeds And Micallef | Rotary shut-off nozzle |
| US4065057A (en) * | 1976-07-01 | 1977-12-27 | Durmann George J | Apparatus for spraying heat responsive materials |
| US4139157A (en) * | 1976-09-02 | 1979-02-13 | Parker-Hannifin Corporation | Dual air-blast fuel nozzle |
| US4171096A (en) * | 1977-05-26 | 1979-10-16 | John Welsh | Spray gun nozzle attachment |
| CA1077541A (en) * | 1977-12-01 | 1980-05-13 | Vortec Corporation | Flow amplifying nozzle |
| JPS5845781Y2 (ja) * | 1978-08-12 | 1983-10-18 | 株式会社明治機械製作所 | 塗料循環式スプレ−ガン |
| US4362274A (en) * | 1980-06-27 | 1982-12-07 | Coen Company, Inc. | Dual fuel atomizer |
| US4708293A (en) * | 1983-02-24 | 1987-11-24 | Enel-Ente Nazionale Per L'energia Elettrica | Atomizer for viscous liquid fuels |
| JPS60143224U (ja) * | 1984-03-02 | 1985-09-21 | トヨタ自動車株式会社 | 燃焼用バ−ナ |
| JPS60148059U (ja) * | 1984-03-10 | 1985-10-01 | 黒崎窯業株式会社 | 材料拡散調整用筒体を有する吹付ノズル |
| DE3525161A1 (de) * | 1985-03-05 | 1986-09-11 | DFVLR-Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Verfahren und vorrichtung zur verschleissarmen zerstaeubung von fluessigen hochviskosen und/oder suspensiven brennstoffen fuer die verbrennung oder vergasung in brennerflammen |
| JPS62179053U (de) * | 1986-05-06 | 1987-11-13 | ||
| DE3669915D1 (de) * | 1986-11-27 | 1990-05-03 | Fluidics Instr Bv | Druckluftzerstaeuberduese. |
| DE3762288D1 (de) * | 1987-02-13 | 1990-05-17 | Bbc Brown Boveri & Cie | Zerstaeuberduese. |
| US4982716A (en) * | 1988-02-19 | 1991-01-08 | Toyota Jidosha Kabushiki Kaisha | Fuel injection valve with an air assist adapter for an internal combustion engine |
| US5170941A (en) * | 1989-04-20 | 1992-12-15 | Iwata Air Compressor Mfg. Co., Ltd. | Premixing-type spray gun |
| US5267692A (en) * | 1989-11-16 | 1993-12-07 | Afa Products Inc. | Adjustable nozzle assembly |
| US4991778A (en) * | 1989-11-16 | 1991-02-12 | Afa Products, Inc. | Adjustable nozzle assembly |
| IT1238699B (it) * | 1990-03-26 | 1993-09-01 | Ente Naz Energia Elettrica | Atomizzatore perfezionato per combustibili liquidi viscosi |
| US5232164A (en) * | 1990-05-09 | 1993-08-03 | Resch D R | Precisely adjustable atomizer |
| US5129583A (en) * | 1991-03-21 | 1992-07-14 | The Babcock & Wilcox Company | Low pressure loss/reduced deposition atomizer |
| US5307996A (en) * | 1992-08-05 | 1994-05-03 | Takuma Co., Ltd. | Atomizer for slurry fuel |
| DE4238736A1 (de) * | 1992-11-17 | 1994-05-19 | Babcock Feuerungssysteme | Zerstäuber für einen Ölbrenner |
| US5307906A (en) * | 1993-02-04 | 1994-05-03 | General Motors Corporation | Combined mechanically/hydraulically actuated braking system which provides tactile feed-back |
| US5484107A (en) * | 1994-05-13 | 1996-01-16 | The Babcock & Wilcox Company | Three-fluid atomizer |
| US5732885A (en) * | 1994-10-07 | 1998-03-31 | Spraying Systems Co. | Internal mix air atomizing spray nozzle |
| US5921472A (en) * | 1994-12-13 | 1999-07-13 | Spraying Systems Co. | Enhanced efficiency nozzle for use in fluidized catalytic cracking |
| US5603453A (en) * | 1994-12-30 | 1997-02-18 | Lab S.A. | Dual fluid spray nozzle |
| US5899387A (en) * | 1997-09-19 | 1999-05-04 | Spraying Systems Co. | Air assisted spray system |
| US6161778A (en) * | 1999-06-11 | 2000-12-19 | Spraying Systems Co. | Air atomizing nozzle assembly with improved air cap |
| US6267301B1 (en) * | 1999-06-11 | 2001-07-31 | Spraying Systems Co. | Air atomizing nozzle assembly with improved air cap |
| US6158672A (en) * | 2000-01-12 | 2000-12-12 | Northrop Grumman Corporation | Spray gun atomizing air balance |
| GB0122208D0 (en) * | 2001-09-14 | 2001-11-07 | Vincent Ltd G | Spray gun |
| BRPI0514582B1 (pt) * | 2004-08-23 | 2018-06-26 | Spraying Systems Co. | Conjunto de bocal de atomização de ar de mistura interna melhorada |
-
2005
- 2005-08-20 DE DE102005039412A patent/DE102005039412A1/de not_active Ceased
-
2006
- 2006-07-27 CA CA002614491A patent/CA2614491A1/en not_active Abandoned
- 2006-07-27 EP EP06762857A patent/EP1915219B1/de active Active
- 2006-07-27 CN CN200680030257A patent/CN100574895C/zh not_active Expired - Fee Related
- 2006-07-27 DE DE502006002835T patent/DE502006002835D1/de active Active
- 2006-07-27 US US12/064,282 patent/US20080210771A1/en not_active Abandoned
- 2006-07-27 DK DK06762857T patent/DK1915219T3/da active
- 2006-07-27 WO PCT/EP2006/007432 patent/WO2007022847A1/de not_active Ceased
- 2006-07-27 AT AT06762857T patent/ATE422395T1/de not_active IP Right Cessation
- 2006-07-27 JP JP2008527330A patent/JP5032478B2/ja not_active Expired - Fee Related
- 2006-07-27 ES ES06762857T patent/ES2319692T3/es active Active
-
2007
- 2007-08-30 ZA ZA200707443A patent/ZA200707443B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007022847A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100574895C (zh) | 2009-12-30 |
| CA2614491A1 (en) | 2007-03-01 |
| ATE422395T1 (de) | 2009-02-15 |
| DE102005039412A1 (de) | 2007-02-22 |
| DK1915219T3 (da) | 2009-05-04 |
| JP5032478B2 (ja) | 2012-09-26 |
| EP1915219B1 (de) | 2009-02-11 |
| WO2007022847A1 (de) | 2007-03-01 |
| US20080210771A1 (en) | 2008-09-04 |
| CN101242908A (zh) | 2008-08-13 |
| ES2319692T3 (es) | 2009-05-11 |
| JP2009504400A (ja) | 2009-02-05 |
| DE502006002835D1 (de) | 2009-03-26 |
| ZA200707443B (en) | 2008-11-26 |
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