DE1475162A1 - Injection mouthpiece - Google Patents
Injection mouthpieceInfo
- Publication number
- DE1475162A1 DE1475162A1 DE19641475162 DE1475162A DE1475162A1 DE 1475162 A1 DE1475162 A1 DE 1475162A1 DE 19641475162 DE19641475162 DE 19641475162 DE 1475162 A DE1475162 A DE 1475162A DE 1475162 A1 DE1475162 A1 DE 1475162A1
- Authority
- DE
- Germany
- Prior art keywords
- mouthpiece
- substance
- openings
- compressed air
- axial direction
- 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.)
- Pending
Links
Classifications
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- 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
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
Landscapes
- Nozzles (AREA)
Description
Spritzmundstück Die vorliegende Erfindung betrifft ein Spritzmundstück, wobei die zu spritzende Substanz in dem Mundstück der Wirkung von Druckluft ausgesetzt ist.Injection nozzle The present invention relates to an injection mouthpiece, the substance to be injected in the mouthpiece of the effect exposed to compressed air.
Die Erfindung bezweckt, ein solches Spritzmundstück zu schaffen, bei dem mit erhöhter Geschwindigkeit der Substanz in der Austrittsöffnung und Rotation der Substanz eine neue und unerwartete Spritzwirkung erzielt wird.The aim of the invention is to create such an injection nozzle that with increased speed of the substance in the outlet opening and rotation the substance a new and unexpected spray effect is achieved.
Die Erfindung betrifft die an sich bekannte Vorrichtung, daß das Mundstück einen sich nach der Austrittsöffnung hin konisch verjüngenden querschnitt hat, und daß die Druckluft durch Uffiiungen , die die Eintrittsöffnung für die Substanz in dem 14Iundstück umgeben, in den weitesten Teil des Mundstückes eingeführt wird, und das Neue an der Erfindung ist, daß die Achsrichtung der Öffnungen einen Winkel zu der Achsrichtung des Mundstückes bildet, Wobei sich dadurch, daß zwischen der Eintrittsöffnung für die Substanz und den genannten Öffnungen gegebenenfalls ein an sich bekannter ringförmiger Spalt vorgesehen ist, dem die Druckluft ebenfalls zugeführt wird, gleichzeitig eine Verbesserung der Spritzwirkung erzielen lässt.The invention relates to the known device that the mouthpiece has a cross-section which tapers conically towards the outlet opening, and that the compressed air through Uffiiungen that the inlet opening for the substance in surrounds the mouthpiece and is inserted into the widest part of the mouthpiece, and the novelty of the invention is that the axial direction of the openings is at an angle forms to the axial direction of the mouthpiece, whereby the fact that between the Entry opening for the substance and the openings mentioned, if necessary known annular gap is provided, which the compressed air also is supplied, at the same time an improvement in the spray effect can be achieved.
Es hat sich gezeigt, daß die Substanz auf diese-Art durch ihre erhöhte Geschwindigkeit in der Austrittsöffnung und durch ihre Rotation auf einen Abstand von mehreren Metern und mit großer Treffsicherheit auf einen verhältnismäßig kleinen 'Treffpunkt des Objektes, auf das die Substanz aufgebracht werden soll, konzentriert werden kann.It has been shown that the substance increased in this way by its Speed in the outlet opening and by its rotation to a distance from several meters and with great accuracy to a relatively small one 'Concentrated meeting point of the object on which the substance is to be applied can be.
Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand von Zahlenhinweisen auf der Zeichnung, die einen axialen Schnitt durch ein Spritzmundstück der Erfindung zeigt, näher erklärt. Ein Substanzzuführrohr (1) ist von einem Mantel (2) umschlossen, der in einen sich konisch verjüngenden Teil (3) übergeht, der in eine .Austrittsöffnung (4) endet. In dem Mantel (2) ist zwischen dem Zuführrohr (1) einerseits und der Mantelwand (2) und einem Teil der konischen Wand (3) andererseits ein Körper (5) mit einer konischen Fläche (6) , die sich mit ihrem kleinsten Querschnitt von dem inneren Ende des Rohres (1) zu dem konischen Teil (3) erstreckt, angebracht. Der Teil (5) dient dazu, den hinteren Teil des Mantels (2) von dem konischen Teil des Mundstückes zu trennen wobei dieser Teil des Mantels mit einem Stutzen (7) zum Einführen von Druckluft versehen ist. Aus dem Raum in dem Mantel führen schräggestellte Kanäle (8) durch den Teil (5) in den konischen Teil (3) des Spritzmundstückes hinaus, so daB um das Substanzzuführrohr (1) herum ein Kranz schräggestellter Öffnungen gebildet wird. Ferner ist zwischen dem inneren Ende des Rohres (1) und dem Teil (5) ein schmaler ringförmiger Spalt (9) vorgesehen, der ebenfalls zur Durchführung von Druckluft dient. Der letztgenannte Spalt dient der Bildung einer dünnen Luftschicht zwischen der Substanz und der inneren Wand des Spritzmundstückes, während die Uffnungen (8) dazu dienen, die Substanz in Rotation zu versetzen.An embodiment of the invention is explained in more detail below with reference to numerical references in the drawing, which shows an axial section through an injection nozzle of the invention. A substance feed tube (1) is enclosed by a jacket (2) which merges into a conically tapering part (3) which ends in an outlet opening (4). In the jacket (2) is between the feed pipe (1) on the one hand and the jacket wall (2) and part of the conical wall (3) on the other hand, a body (5) with a conical surface (6), which with its smallest cross-section of the inner end of the tube (1) extending to the conical part (3) attached. The part (5) serves to separate the rear part of the jacket (2) from the conical part of the mouthpiece, this part of the jacket being provided with a nozzle (7) for the introduction of compressed air. From the space in the jacket, inclined channels (8) lead through part (5) into the conical part (3) of the injection nozzle, so that a ring of inclined openings is formed around the substance supply tube (1). Furthermore, a narrow annular gap (9) is provided between the inner end of the tube (1) and the part (5), which is also used for the passage of compressed air. The latter gap serves to form a thin layer of air between the substance and the inner wall of the spray nozzle, while the openings (8) serve to set the substance in rotation.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES0094375 | 1964-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1475162A1 true DE1475162A1 (en) | 1969-01-23 |
Family
ID=7518653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19641475162 Pending DE1475162A1 (en) | 1964-11-28 | 1964-11-28 | Injection mouthpiece |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1475162A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2005972A1 (en) * | 1970-02-10 | 1971-09-02 | Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen | Atomisation of liquids, suspensions or pastes |
DE9111224U1 (en) * | 1991-09-10 | 1993-01-21 | Siemens AG, 8000 München | Steam-operated atomizer nozzle, especially for viscous suspensions and solutions |
DE19614192A1 (en) * | 1996-04-10 | 1997-10-16 | Abb Research Ltd | Dispersing system for a powder spraying device |
US6053420A (en) * | 1996-04-10 | 2000-04-25 | Abb Research Ltd. | Dispersion apparatus and process for producing a large cloud of an electrostatically charged powder/air mixture |
-
1964
- 1964-11-28 DE DE19641475162 patent/DE1475162A1/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2005972A1 (en) * | 1970-02-10 | 1971-09-02 | Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen | Atomisation of liquids, suspensions or pastes |
DE9111224U1 (en) * | 1991-09-10 | 1993-01-21 | Siemens AG, 8000 München | Steam-operated atomizer nozzle, especially for viscous suspensions and solutions |
DE19614192A1 (en) * | 1996-04-10 | 1997-10-16 | Abb Research Ltd | Dispersing system for a powder spraying device |
US6053420A (en) * | 1996-04-10 | 2000-04-25 | Abb Research Ltd. | Dispersion apparatus and process for producing a large cloud of an electrostatically charged powder/air mixture |
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