DE857924C - Atomizing nozzle - Google Patents
Atomizing nozzleInfo
- Publication number
- DE857924C DE857924C DEP44748A DEP0044748A DE857924C DE 857924 C DE857924 C DE 857924C DE P44748 A DEP44748 A DE P44748A DE P0044748 A DEP0044748 A DE P0044748A DE 857924 C DE857924 C DE 857924C
- Authority
- DE
- Germany
- Prior art keywords
- atomizing nozzle
- liquid
- gas
- air
- exit
- 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.)
- Expired
Links
Classifications
-
- 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
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
-
- 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
-
- 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
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/065—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet an inner gas outlet being surrounded by an annular adjacent liquid outlet
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Plasma Technology (AREA)
- Nozzles (AREA)
- Drying Of Solid Materials (AREA)
Description
Zerstäubungsdüse Die Erfindung betrifft eine Zerstäubungsdüse mit mehreren konzentrischen Gasströmen, zwischen denen der Flüssigkeitsstrom. austritt, so daiß sich nach ihrem Austritt aus dürDüsenmündungdie versprüh- ten Flüssigkeitsteilchen z-,vischen den Gasströmen bewegen. insbesondere für Trockner. Unter den Vorrichtun-en. welche zum Zerstäuben von Flüssigkeiten mittels komprimierter Gase dienen, ist diejenige von besonderer praktischer Bedeutung, bei welcher die Flüssigkeit in das rasch strömende Gas seitlich eingeführt wird. Gas und zerstäubte Flüssigkeit strömen im Falle der Versprühung zum Zweck der Trocknung mit großer Geschwindigkeit in einen Trockenraum, der fast stets die Form eines stehenden Zvliliders hat. Dessen Länge muß sehr groß gewählt werden. weil die beiden erwähnten Stoffe an dem einen Ende des Zylinders parallel zur Zylinderachse zugeführt werden und weil eine bestimmte Aufenthaltszeit der Tröpfchen nicht unterschritten werden darf. Die große Länge des Trockenraumes ist ein grundsätzlicher Nachteil, weil sie hohe Anschaffungskosten, großen Platzbedarf und erhebliche Wärmeverluste bedingt. Die Beseitigung dieses Nazhteils ist Zweck des Gegenstandes der vorliegenden Erfindung.Atomizing nozzle The invention relates to an atomizing nozzle with several concentric gas streams, between which the liquid stream. so that after their exit from the nozzle orifice the sprayed liquid particles move between the gas streams. especially for dryers. Under the fixtures. which are used to atomize liquids by means of compressed gases, the one in which the liquid is introduced laterally into the rapidly flowing gas is of particular practical importance. In the case of spraying, gas and atomized liquid flow at high speed into a drying room, which almost always has the shape of a standing cylinder, for the purpose of drying. Its length must be chosen to be very large. because the two mentioned substances are fed in at one end of the cylinder parallel to the cylinder axis and because the droplets must not stay below a certain residence time. The great length of the drying room is a fundamental disadvantage because it entails high acquisition costs, large space requirements and considerable heat losses. The elimination of this disadvantage is the purpose of the subject matter of the present invention.
Bei einer eingangs erwähnten Vorrichtung wird dies gemäß der Erfindung dadurch erzielt, daß zum Zweck der Trocknung der Flüssigkeitströpfchen die Luftzuführungskanäle Leitvorrichtungen, wie Leitbleche oder Leitschaufeln, haben, welche beide Luftströme vor ihrem Austritt aus dem zylindrischen Düsenende zusätzlich zur Axialbewegung 111 'kreisende Bewegung versetzen. Ein Ausführungsbeispiel des Gegenstandes der Erfindung ist in der Abbildung im Querschnitt und in der Draufsicht gezeigt. Durch den Kanal i wird die verdichtete Luft mit einem CTberdruck -von beispielsweise o,4 Atmosphären zugeführt. Sie strömt bis zu dein en-sten Düsenquerschnitt 2, wobei sie auf holle, Ge- schwindigkeit gebracht wird. Diese bewirkt die Zerstäubung der Flüssigkeit, welche durch den Kanal 3 zugeleitet wird. Damit sich am und um den Düsenaustritt keine Ansätze bilden, wird ebenfalls schwach verdichtete Luft durch den Kanal 4 und seinen Ausströmringspalt 5 gedrückt. Durch das Rohr 6 strömt zum Zweck der Einsparung von Preßluft ein Teil der Trockenluft, welche ohne besolidere Verdichtung mittels eines üblichen Verrtilators durch den Trockenapparat befördert wird.In a device mentioned at the beginning, this is achieved according to the invention in that, for the purpose of drying the liquid droplets, the air supply ducts have guide devices, such as guide plates or guide vanes, which set both air flows in a circular motion before they exit the cylindrical nozzle end in addition to the axial movement 111 '. An embodiment of the object of the invention is shown in the figure in cross section and in plan view. The compressed air is fed through channel i with an excess pressure of 0.4 atmospheres, for example. It flows up to your en-th nozzle cross-section 2, where it is brought speed to hell, overall. This causes the atomization of the liquid which is fed through the channel 3. So that no deposits form at and around the nozzle outlet, weakly compressed air is also pressed through the channel 4 and its outflow ring gap 5. In order to save compressed air, part of the drying air flows through the pipe 6 and is conveyed through the drying apparatus by means of a conventional distributor without special compression.
Wesentlich sind-die Leitflächen 7 und 8. Auf Grund von Beobachtungen wurde festgestellt, daß ohne diese 1-eitflächen Gas- und Flüssigkeitströpfch#ni mit einer solchen Strömungsenergie aus den Ausströmquerschnitten in Richtung der Düsenachse austreten, daß der Flüssigkeitsnebel in großem Ab- stand von der Düse, z. B. von 5 m, sich noch mit erheblicher Geschwindigkeit weiterbewegt. Dieser Nachteil wird durch Einbau der Leitschaufeln 7 und S, vermieden. Die im Kanal i untergebrachten Wände 7 lenken die Luft tangential in einer Richtung, z. B. im Uhrzeigersinn, um, so daß die Luft kreisend den Querschnitt 2 und danach die Düse verläßt. In entgegengesetzter Richtung, also gegen den Uhrzeigersinn, wird die Luft im Kanal 4 durch die Leitschaufeln 8 ebenfalls in tangentialer Richtung umgeletikt. Dieser zweite Luftstrom verläßt ali;o die Düse ebenfalls kreisend wie der erstgenannte Luftstrom, jedoch entgegengesetzt zu letzterem. Die Folge davon ist, daß die beiden Luf tströme an einer Fläche aneinander reiben, all -,velcher sich die Hauptmenge des Flüssigkeitsnebels befindet. Es entstehen dadurch Gaswirbel, welche von Flüsisigkeitsiiebel durch#setzt #sind. Letztere bewegen sich, den Trockenraum erfüllend, mit erheblich verringerter Geschwindigkeit in axialer Richtung von der Düsenmündung weg. Deshalb kann die zylindrische Länge des Trockenturmes kleiner gehalten werden als bei Zerstäubung der Flüssi.-keit ohne die Leitflächen.The essentials are the guide surfaces 7 and 8. On the basis of observations, it was found that without these side surfaces, gas and liquid droplets emerge from the outflow cross-sections in the direction of the nozzle axis with such flow energy that the liquid mist is at a large distance from the nozzle, e.g. B. of 5 m, is still moving at a considerable speed. This disadvantage is avoided by installing the guide vanes 7 and S. The walls 7 housed in the channel i direct the air tangentially in one direction, e.g. B. clockwise, so that the air circling the cross-section 2 and then leaves the nozzle. In the opposite direction, that is to say counterclockwise, the air in the duct 4 is also reversed in the tangential direction by the guide vanes 8. This second air flow also leaves the nozzle in a circling manner like the first-mentioned air flow, but in the opposite direction to the latter. The consequence of this is that the two air streams rub against one another on one surface, wherever the bulk of the liquid mist is located. This creates gas eddies, which are #sets #supplied by the liquid sealer. The latter move away from the nozzle mouth at a considerably reduced speed in the axial direction, filling the drying chamber. Therefore, the cylindrical length of the drying tower can be kept smaller than when the liquid is atomized without the guide surfaces.
Unter Beachtung der Tatsache, daß die Zerstäubungsvorrichtung, bei
welcher der Gegenstand der Erfindung angewendet wird, stets einen inneren und einen
äußeren Luftstrom erfordert, :ist es auch
Claims (1)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP44748A DE857924C (en) | 1949-06-03 | 1949-06-03 | Atomizing nozzle |
CH286486D CH286486A (en) | 1949-06-03 | 1950-04-18 | Method for atomizing liquids and atomizing nozzle for its execution. |
GB11394/50A GB672441A (en) | 1949-06-03 | 1950-05-08 | Spraying nozzle |
US166119A US2612405A (en) | 1949-06-03 | 1950-06-05 | Spraying nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP44748A DE857924C (en) | 1949-06-03 | 1949-06-03 | Atomizing nozzle |
Publications (1)
Publication Number | Publication Date |
---|---|
DE857924C true DE857924C (en) | 1952-12-04 |
Family
ID=27180029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEP44748A Expired DE857924C (en) | 1949-06-03 | 1949-06-03 | Atomizing nozzle |
Country Status (4)
Country | Link |
---|---|
US (1) | US2612405A (en) |
CH (1) | CH286486A (en) |
DE (1) | DE857924C (en) |
GB (1) | GB672441A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1071592B (en) * | 1959-12-17 | |||
DE1110087B (en) * | 1954-12-11 | 1961-06-29 | Luwa Ag | Method and device for avoiding crust formation on spray devices |
DE1196127B (en) * | 1962-02-24 | 1965-07-01 | Krauss Maffei Ag | Device for atomizing moist, plastic or fine-grained masses in a dryer |
DE1231404B (en) * | 1958-04-12 | 1966-12-29 | Defensor Ag | Liquid atomizer used to humidify the room air |
EP0190688A2 (en) * | 1985-02-07 | 1986-08-13 | L. & C. Steinmüller GmbH | Process and apparatus for cleaning smoke by a fluid absorbent by the air current atomization principle |
DE3701946A1 (en) * | 1986-01-24 | 1987-10-01 | Hitachi Shipbuilding Eng Co | DEVICE FOR DISPERSING FINE PARTICLES IN AGGLOMERIZED CONDITION AND USING THE SAME IN A DEVICE FOR MIXING A REACTION AGENT WITH AN EXHAUST GAS |
DE3640818C1 (en) * | 1986-11-28 | 1988-06-09 | Rudolf Jerkel | Spray head for producing an air-liquid mixture, in particular for a cooling device |
DE3724234A1 (en) * | 1987-07-22 | 1989-02-02 | Daimler Benz Ag | Air-assisted fuel nozzle, especially a nozzle of this kind in gas turbines for steady-state constant-pressure combustion |
EP0914869A2 (en) | 1997-11-06 | 1999-05-12 | Herbert Hüttlin | Nozzle with constant spray characteristics over a large size range |
AT7094U3 (en) * | 2004-06-17 | 2005-03-25 | Imr Metalle Und Technologie Gm | METHOD AND DEVICE FOR SPRAYING LIQUID FILMS |
DE4438495B4 (en) * | 1993-11-03 | 2006-08-03 | Société Nationale d'Etude et de Construction de Moteurs d'Aviation | Injection system and associated tricoaxial injection elements |
WO2011128433A1 (en) | 2010-04-16 | 2011-10-20 | Dieter Wurz | Externally mixing multi-component nozzle |
DE102014003877A1 (en) * | 2014-03-19 | 2015-09-24 | Dieter Wurz | Method and device for on-line cleaning of two-substance nozzles |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2737419A (en) * | 1951-02-02 | 1956-03-06 | West Disinfecting Co | Atomizing nozzle |
US3007516A (en) * | 1958-03-18 | 1961-11-07 | Hauck Mfg Co | Rapid combustion oil burner |
US3070317A (en) * | 1958-05-21 | 1962-12-25 | Hunter | Variable rate multiple fuel nozzle |
US3310240A (en) * | 1965-01-07 | 1967-03-21 | Gen Motors Corp | Air atomizing nozzle |
US3684186A (en) * | 1970-06-26 | 1972-08-15 | Ex Cell O Corp | Aerating fuel nozzle |
FR2235274B1 (en) * | 1973-06-28 | 1976-09-17 | Snecma | |
US4036434A (en) * | 1974-07-15 | 1977-07-19 | Aerojet-General Corporation | Fluid delivery nozzle with fluid purged face |
US3980233A (en) * | 1974-10-07 | 1976-09-14 | Parker-Hannifin Corporation | Air-atomizing fuel nozzle |
CA1038912A (en) * | 1974-10-07 | 1978-09-19 | Parker, Michael James | Air-atomizing fuel nozzle |
JPS5829150B2 (en) * | 1977-12-03 | 1983-06-21 | ナカヤ産業株式会社 | spray device |
FR2488525A1 (en) * | 1980-08-14 | 1982-02-19 | Rhone Poulenc Ind | Mixing of two fluids present as different phases - esp. for heat or mass transfer between gas and liq. |
FR2501525A1 (en) * | 1981-03-13 | 1982-09-17 | Rhone Poulenc Spec Chim | DEVICE FOR CONTACTING SUBSTANCES IN DIFFERENT PHASES, AT LEAST ONE GAS BEING |
FR2522991A1 (en) * | 1982-03-08 | 1983-09-16 | G2M Lepetit | Pneumatic liquid atomising spray - discharges pulviersation air round discharge orifice to form mixture of liquid and air |
SE447704B (en) * | 1985-04-16 | 1986-12-08 | Flaekt Ab | CONTACT REACTOR DEVICE INCLUDING MEASURES TO PREVENT RECYCLING OF ABSORPTION MATERIALS TO THE SIZE SURFACE |
DE3608698A1 (en) * | 1986-01-18 | 1987-07-23 | Deutsche Forsch Luft Raumfahrt | BURNER BOILER UNIT |
GB2215029B (en) * | 1988-02-06 | 1991-10-09 | Rolls Royce Plc | Gas turbine engine fuel burner |
GB2215028B (en) * | 1988-02-06 | 1991-10-09 | Rolls Royce Plc | Gas turbine engine fuel burner |
US4980099A (en) * | 1990-01-16 | 1990-12-25 | The Babcock & Wilcox Company | Airfoil lance apparatus for homogeneous humidification and sorbent dispersion in a gas stream |
US5251447A (en) * | 1992-10-01 | 1993-10-12 | General Electric Company | Air fuel mixer for gas turbine combustor |
FR2737138B1 (en) * | 1995-07-28 | 1997-08-22 | Air Liquide | METHOD AND DEVICE FOR SPRAYING A LIQUID PRODUCT |
DE19608349A1 (en) * | 1996-03-05 | 1997-09-11 | Abb Research Ltd | Pressure atomizer nozzle |
FR2779805B1 (en) | 1998-06-15 | 2000-07-21 | Air Liquide | FUEL INJECTOR IN THE FORM OF FOG FOR OIL BURNER AND BURNER PROVIDED WITH SUCH AN INJECTOR |
DE20010885U1 (en) * | 2000-06-20 | 2000-08-24 | Loctite Deutschland Gmbh | Nozzle for dispensing high viscosity liquids |
US7694944B2 (en) * | 2003-12-22 | 2010-04-13 | Niro A/S | Nozzle for atomising a liquid by means of a gas and method of atomising |
DE102004029029B4 (en) * | 2004-06-09 | 2018-12-13 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Injection head |
PL204019B1 (en) * | 2005-06-05 | 2009-12-31 | Telesto Spo & Lstrok Ka Z Ogra | Fire extinguishing system and fire-extinguishing head |
DE102005039412A1 (en) * | 2005-08-20 | 2007-02-22 | Forschungszentrum Karlsruhe Gmbh | Zweistoffzerstäubervorrichtung |
US8919132B2 (en) | 2011-05-18 | 2014-12-30 | Solar Turbines Inc. | Method of operating a gas turbine engine |
US8893500B2 (en) | 2011-05-18 | 2014-11-25 | Solar Turbines Inc. | Lean direct fuel injector |
US9182124B2 (en) | 2011-12-15 | 2015-11-10 | Solar Turbines Incorporated | Gas turbine and fuel injector for the same |
CN102535470B (en) * | 2012-01-16 | 2014-01-15 | 中国石油大学(华东) | Water jet sprayer assisting offshore platform in sinking pile |
CN103752444B (en) * | 2014-01-27 | 2016-01-06 | 中国人民解放军海军医学研究所 | Multi-functional epidemic prevention dissipation machine |
CN103769313B (en) * | 2014-01-27 | 2016-01-06 | 中国人民解放军海军医学研究所 | The reverse whirlwind atomizer of two-stage |
US9403123B2 (en) | 2014-06-24 | 2016-08-02 | Alstom Technology Ltd | High rotational momentum disperser and use |
CN106574777B (en) * | 2014-08-26 | 2020-02-07 | 西门子能源公司 | Cooling system for fuel nozzle within combustor in turbine engine |
KR101631891B1 (en) * | 2014-12-18 | 2016-06-20 | 한국항공우주연구원 | Pintle-Swirl hybrid injection device |
CN109847967A (en) * | 2019-03-07 | 2019-06-07 | 哈尔滨理工大学 | A kind of three Fluid sprayer spray head of exterior mixing |
US11154885B2 (en) * | 2019-05-02 | 2021-10-26 | Hitachi, Ltd. | Fluid delivery for machining processes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE623840C (en) * | ||||
DE588688C (en) * | 1933-11-23 | I G Farbenindustrie Akt Ges | Process for drying damp fabrics |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1451063A (en) * | 1923-04-10 | Burner | ||
US1493584A (en) * | 1923-06-30 | 1924-05-13 | Gordon Hoagland T | Oil burner |
US1531959A (en) * | 1924-04-15 | 1925-03-31 | John Scheminger Jr | Distributing head for liquid-fuel burners |
US2526220A (en) * | 1947-07-18 | 1950-10-17 | Daniel And Florence Guggenheim | Spray nozzle |
-
1949
- 1949-06-03 DE DEP44748A patent/DE857924C/en not_active Expired
-
1950
- 1950-04-18 CH CH286486D patent/CH286486A/en unknown
- 1950-05-08 GB GB11394/50A patent/GB672441A/en not_active Expired
- 1950-06-05 US US166119A patent/US2612405A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE623840C (en) * | ||||
DE588688C (en) * | 1933-11-23 | I G Farbenindustrie Akt Ges | Process for drying damp fabrics |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1071592B (en) * | 1959-12-17 | |||
DE1110087B (en) * | 1954-12-11 | 1961-06-29 | Luwa Ag | Method and device for avoiding crust formation on spray devices |
DE1231404B (en) * | 1958-04-12 | 1966-12-29 | Defensor Ag | Liquid atomizer used to humidify the room air |
DE1196127B (en) * | 1962-02-24 | 1965-07-01 | Krauss Maffei Ag | Device for atomizing moist, plastic or fine-grained masses in a dryer |
EP0190688A2 (en) * | 1985-02-07 | 1986-08-13 | L. & C. Steinmüller GmbH | Process and apparatus for cleaning smoke by a fluid absorbent by the air current atomization principle |
EP0190688A3 (en) * | 1985-02-07 | 1988-07-20 | L. & C. Steinmüller GmbH | Process and apparatus for cleaning smoke by a fluid absorbent by the air current atomization principle |
DE3701946A1 (en) * | 1986-01-24 | 1987-10-01 | Hitachi Shipbuilding Eng Co | DEVICE FOR DISPERSING FINE PARTICLES IN AGGLOMERIZED CONDITION AND USING THE SAME IN A DEVICE FOR MIXING A REACTION AGENT WITH AN EXHAUST GAS |
DE3640818C1 (en) * | 1986-11-28 | 1988-06-09 | Rudolf Jerkel | Spray head for producing an air-liquid mixture, in particular for a cooling device |
DE3724234A1 (en) * | 1987-07-22 | 1989-02-02 | Daimler Benz Ag | Air-assisted fuel nozzle, especially a nozzle of this kind in gas turbines for steady-state constant-pressure combustion |
DE4438495B4 (en) * | 1993-11-03 | 2006-08-03 | Société Nationale d'Etude et de Construction de Moteurs d'Aviation | Injection system and associated tricoaxial injection elements |
EP0914869A2 (en) | 1997-11-06 | 1999-05-12 | Herbert Hüttlin | Nozzle with constant spray characteristics over a large size range |
DE19749072C1 (en) * | 1997-11-06 | 1999-06-10 | Herbert Huettlin | Multi-component atomizer nozzle |
EP0914869A3 (en) * | 1997-11-06 | 2000-12-27 | Herbert Hüttlin | Nozzle with constant spray characteristics over a large size range |
AT7094U3 (en) * | 2004-06-17 | 2005-03-25 | Imr Metalle Und Technologie Gm | METHOD AND DEVICE FOR SPRAYING LIQUID FILMS |
WO2011128433A1 (en) | 2010-04-16 | 2011-10-20 | Dieter Wurz | Externally mixing multi-component nozzle |
DE102010015497A1 (en) * | 2010-04-16 | 2011-10-20 | Dieter Wurz | Externally mixing multi-fluid nozzle for minimal internal heat transfer |
DE102014003877A1 (en) * | 2014-03-19 | 2015-09-24 | Dieter Wurz | Method and device for on-line cleaning of two-substance nozzles |
Also Published As
Publication number | Publication date |
---|---|
CH286486A (en) | 1952-10-31 |
US2612405A (en) | 1952-09-30 |
GB672441A (en) | 1952-05-21 |
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