WO2007022847A1 - Zweistoffzerstäubervorrichtung - Google Patents
Zweistoffzerstäubervorrichtung Download PDFInfo
- Publication number
- WO2007022847A1 WO2007022847A1 PCT/EP2006/007432 EP2006007432W WO2007022847A1 WO 2007022847 A1 WO2007022847 A1 WO 2007022847A1 EP 2006007432 W EP2006007432 W EP 2006007432W WO 2007022847 A1 WO2007022847 A1 WO 2007022847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- opening
- liquid
- mixing channel
- atomizing device
- Prior art date
Links
- 239000000463 material Substances 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 25
- 239000000203 mixture Substances 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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, e.g. burner cooling means, noise reduction means
- 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
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06762857A EP1915219B1 (de) | 2005-08-20 | 2006-07-27 | Zweistoffzerstäubervorrichtung |
CA002614491A CA2614491A1 (en) | 2005-08-20 | 2006-07-27 | Two-material atomizing device |
US12/064,282 US20080210771A1 (en) | 2005-08-20 | 2006-07-27 | Two-Substance Atomizing Device |
DK06762857T DK1915219T3 (da) | 2005-08-20 | 2006-07-27 | Forstöverindretning til to stoffer |
DE502006002835T DE502006002835D1 (de) | 2005-08-20 | 2006-07-27 | Zweistoffzerstäubervorrichtung |
JP2008527330A JP5032478B2 (ja) | 2005-08-20 | 2006-07-27 | 2成分噴霧装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005039412A DE102005039412A1 (de) | 2005-08-20 | 2005-08-20 | Zweistoffzerstäubervorrichtung |
DE102005039412.4 | 2005-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007022847A1 true WO2007022847A1 (de) | 2007-03-01 |
Family
ID=37084649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/007432 WO2007022847A1 (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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103115359A (zh) * | 2012-12-15 | 2013-05-22 | 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 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010019771A1 (de) * | 2010-05-07 | 2011-11-10 | Dürr Systems GmbH | Zerstäuber mit einem Gittermischer |
EP3204168B1 (de) | 2014-10-09 | 2020-04-08 | Spraying Systems Manufacturing Europe GmbH | Zerstäuberdüse |
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 |
Citations (8)
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US2042746A (en) * | 1934-01-18 | 1936-06-02 | Vilbiss Co | Spray head |
US2139133A (en) * | 1936-09-28 | 1938-12-06 | Jens A Paasche | Airbrush |
US2930532A (en) * | 1958-12-19 | 1960-03-29 | Oce W Johnson | Spray gun nozzle |
DE2005972A1 (en) * | 1970-02-10 | 1971-09-02 | Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen | Atomisation of liquids, suspensions or pastes |
EP0904842A2 (de) * | 1997-09-19 | 1999-03-31 | Spraying Systems Co. | Luft-Sprühsystem |
US6158672A (en) * | 2000-01-12 | 2000-12-12 | Northrop Grumman Corporation | Spray gun atomizing air balance |
US6161778A (en) * | 1999-06-11 | 2000-12-19 | Spraying Systems Co. | Air atomizing nozzle assembly with improved air cap |
WO2003024608A2 (en) * | 2001-09-14 | 2003-03-27 | G Vincent Limited | Spray gun |
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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 |
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 | ||
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 |
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-
2005
- 2005-08-20 DE DE102005039412A patent/DE102005039412A1/de not_active Ceased
-
2006
- 2006-07-27 US US12/064,282 patent/US20080210771A1/en not_active Abandoned
- 2006-07-27 ES ES06762857T patent/ES2319692T3/es active Active
- 2006-07-27 WO PCT/EP2006/007432 patent/WO2007022847A1/de active Application Filing
- 2006-07-27 CA CA002614491A patent/CA2614491A1/en not_active Abandoned
- 2006-07-27 JP JP2008527330A patent/JP5032478B2/ja active Active
- 2006-07-27 CN CN200680030257A patent/CN100574895C/zh active Active
- 2006-07-27 DK DK06762857T patent/DK1915219T3/da active
- 2006-07-27 EP EP06762857A patent/EP1915219B1/de active Active
- 2006-07-27 AT AT06762857T patent/ATE422395T1/de not_active IP Right Cessation
- 2006-07-27 DE DE502006002835T patent/DE502006002835D1/de active Active
-
2007
- 2007-08-30 ZA ZA200707443A patent/ZA200707443B/xx unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2042746A (en) * | 1934-01-18 | 1936-06-02 | Vilbiss Co | Spray head |
US2139133A (en) * | 1936-09-28 | 1938-12-06 | Jens A Paasche | Airbrush |
US2930532A (en) * | 1958-12-19 | 1960-03-29 | Oce W Johnson | Spray gun nozzle |
DE2005972A1 (en) * | 1970-02-10 | 1971-09-02 | Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen | Atomisation of liquids, suspensions or pastes |
EP0904842A2 (de) * | 1997-09-19 | 1999-03-31 | Spraying Systems Co. | Luft-Sprühsystem |
US6161778A (en) * | 1999-06-11 | 2000-12-19 | 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 |
WO2003024608A2 (en) * | 2001-09-14 | 2003-03-27 | G Vincent Limited | Spray gun |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103115359A (zh) * | 2012-12-15 | 2013-05-22 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
ES2319692T3 (es) | 2009-05-11 |
DE502006002835D1 (de) | 2009-03-26 |
ATE422395T1 (de) | 2009-02-15 |
JP5032478B2 (ja) | 2012-09-26 |
CA2614491A1 (en) | 2007-03-01 |
ZA200707443B (en) | 2008-11-26 |
US20080210771A1 (en) | 2008-09-04 |
JP2009504400A (ja) | 2009-02-05 |
DK1915219T3 (da) | 2009-05-04 |
EP1915219B1 (de) | 2009-02-11 |
CN100574895C (zh) | 2009-12-30 |
EP1915219A1 (de) | 2008-04-30 |
CN101242908A (zh) | 2008-08-13 |
DE102005039412A1 (de) | 2007-02-22 |
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