EP3513877A1 - Dispositif de buse destiné à la distribution des fluides - Google Patents

Dispositif de buse destiné à la distribution des fluides Download PDF

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Publication number
EP3513877A1
EP3513877A1 EP19020022.0A EP19020022A EP3513877A1 EP 3513877 A1 EP3513877 A1 EP 3513877A1 EP 19020022 A EP19020022 A EP 19020022A EP 3513877 A1 EP3513877 A1 EP 3513877A1
Authority
EP
European Patent Office
Prior art keywords
nozzle device
rotor part
nozzle
openings
rotor
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
Application number
EP19020022.0A
Other languages
German (de)
English (en)
Other versions
EP3513877B1 (fr
Inventor
Michael Layher
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3513877A1 publication Critical patent/EP3513877A1/fr
Application granted granted Critical
Publication of EP3513877B1 publication Critical patent/EP3513877B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/042—Outlets having two planes of symmetry perpendicular to each other, one of them defining the plane of the jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/003—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with braking means, e.g. friction rings designed to provide a substantially constant revolution speed

Definitions

  • the invention relates to a rotating nozzle device for the spatial application of fluids with a definable beam characteristic.
  • a purely fluid-driven nozzle device which has a very accurate speed regulation and at the same time uniform tumble-free rotational movement through its geometric design.
  • such rotary nozzle devices consist of a connector part, rotor part and holding part.
  • the nozzle device is connected to a pipe system, which supplies them with the fluid to be sprayed.
  • the rotor part is rotatably supported by connector and holding part.
  • the rotor part of the nozzle device is brought into a rotating movement, more precisely by the position of the actual nozzles on the rotor part.
  • the actual nozzles are openings referred to below as nozzle openings which are formed in the rotor part, or openings on receiving pins which are introduced into the rotor part.
  • the design of these openings defines various beam characteristics, so-called spray patterns, such as spray patterns.
  • Spray patterns such as spray patterns.
  • nozzle devices such as these are used in defined spatial application of fluids in biological, chemical-technical processes and process-relevant steps such as cleaning, sterilization, lubrication and Trennffenbeetzschlagung the inside of tanks or similar containers.
  • nozzle devices described is in EP 2 448 681 B1 to find.
  • the rotor part, the so-called nozzle head or nozzle body, rotatably mounted on connector and holding part and the bearing element is connected to operate the nozzle device by means of a spring connector with a pipe system for fluid supply.
  • the actual nozzles are offset laterally in the radial direction here as well.
  • a regulation of the speed is not the focus of this nozzle device and this is at best possible by defined friction surfaces on the plain bearings of the rotor part.
  • the main intention of this nozzle device is a hygienic design.
  • the nozzle has a cylindrical nozzle body with a fluid drive, through a laterally offset in the radial direction nozzle mouth. By which the cleaning fluid exits fan-shaped in the environment and thereby generates a drive torque for braking the nozzle body.
  • the nozzle body is rotatably mounted on a fluid inlet part which has a swirl generating device, in which the fluid is conducted from the inlet opening through central bores into lateral grooves. These grooves are helically formed on the periphery of the fluid inlet part in the space of the same and the nozzle body. As a result, a rotating flow is generated on the inside of the nozzle body, which drives the nozzle body due to friction effects. This drive is opposed to the drive torque of the nozzle orifice in the nozzle body, whereby an inhibitory effect on the rotation of the same is achieved.
  • the nozzle has in practice reinforced the use of fluids with water-like properties, however, the generation of the braking torque with the nozzle body has the consequence that it can not be in mechanical equilibrium with respect to its axis of rotation, which causes a tumbling rotational movement in reality. In order to limit this to a nozzle-functional minimum, it is indispensable to tolerate tightly the slide bearings on which the nozzle body is mounted with respect to the dimensions.
  • the decoupling of the opposing moments has the disadvantage that the design of the nozzle orifice is limited to the nozzle body. These nozzle mouths must be dimensioned and designed so that the torque generated during operation is matched to media properties and operating parameters. The choice and realization of a specific beam characteristic is possible only to a very limited extent.
  • nozzle device consisting of connector, holding and rotor part
  • the rotation is also generated by inclined in the radial direction nozzle openings in the rotor part.
  • a washing device for a tank in which a nozzle device is rotatably mounted.
  • the nozzle device has a multiplicity of oblique channels from which the spray liquid emerges. All channels are formed in the same direction oblique.
  • nozzle head with hydrostatic bearing in which the rotation of the nozzle head is effected by the recoil of the radiation issuing from two eccentrically arranged drive nozzles ( DE 20 2008 010 110 U1 ).
  • the friction creates heat, which in turn has an influence on the rotational behavior of the nozzle device because the friction depends inter alia on material pairing and rubbing surfaces and in extreme cases completely prevents the rotation.
  • This heat development can additionally exceed process-relevant limits and thus can be a danger to the process or may not be suitable for certain applications, such as in applications in the ATEX area.
  • the object of the invention is to ensure a uniform rotational movement of a rotating nozzle system with constant, controlled speed, almost pressure-independent, driven only and only by the fluid to be sprayed, controlled and regulated.
  • the rotor part has a mechanically stable, non-tumbling rotational movement in order to ensure an almost unrestricted realization of certain beam characteristics and the rotation is independent of mechanical friction between components of the nozzle device.
  • the nozzle device according to the invention described below may be made of materials suitable for the application such as metal, plastic, ceramic and glass or mixtures thereof and connected via a screw, welding or by means of a spring connector in conjunction with through holes to a piping system.
  • the viscosity of the media to be sprayed has no significant influence on the rotational behavior whereby this nozzle device for the use of critical media such as steam or high viscosity oils is particularly well suited, as well as for foreign body sensitive applications, as it ensures almost no mechanical abrasion.
  • the present invention relates to a rotary spray device which is driven by the fluid to be sprayed.
  • the fluid is introduced into the preferably rotationally symmetrical inflow part mostly via a bearing element through a pipeline.
  • the fluid flows jet-shaped into the at least one intermediate space between the rotor part and the flow part, where it impinges tangentially on the inside of the rotor part and be deflected in at least two different directions.
  • the inflowing fluid forms at least two flows in the at least one intermediate space between rotor part and inflow part, which differ in intensity and direction and set the rotor part into rotation by entrainment effects.
  • the rotational speed and direction of rotation of this rotation is determined and controlled by the difference of these at least two flows. They induce a resulting moment on the rotor part, which is almost constant over the possible operating parameters, such as pressure, mass flow, inflow characteristic, etc., because these flows depend on the same parameters.
  • flow-causing openings are formed radially symmetrically in the inflow part in such a way that the fluid jet emerging from them always strikes the inner wall of the rotating rotor part and the actual nozzles are only flowed through by the resulting fluid flows.
  • the rotor part itself has such a mechanically stable non-tumbling rotation during operation and is mounted purely fluidically in the inventive design. Which reduces friction and wear to a negligible minimum.
  • a nozzle device 1 according to the invention is illustrated, which serves to produce fan-shaped, radially outwardly directed rays, so-called flat jets.
  • the nozzle device has a rotor part 2 according to Fig. 1 and Fig. 3 is arranged between a Anströmteil 3 and a bearing element 4 and is rotatably mounted thereon.
  • the rotor part has a body 6 which extends in a cylindrical manner and is essentially rotationally symmetrical with respect to an axis of rotation 5 and which delimits two cylindrically extended interspaces 7 and 8 .
  • the interspaces 7 and 8 are largely separated from each other by a radially inwardly formed projection 9 .
  • the gap 7 is bounded by the rotor part inner surfaces 10a and 10b which are divided by a projection 11 formed radially inward, and the cylindrical Anströmteilau sound Description 12th
  • the clearance 8 is from the rotor portion inner surfaces 13a and 13b formed by a radially inward projection 14 is divided, and the cylindrical Anströmteilau touch Structure 12 limited.
  • the radially inwardly formed projections 11 and 14 preferably have a larger inner diameter relative to the radially inwardly formed projection 9, preferably the.
  • the actual nozzles 15 are radially symmetrically distributed along the axis of rotation 5 preferably elongated openings on the rotor part outer side 17 to the rotor inner surface 10 a , the orientation 18 according to Fig. 4 cut the axis of rotation 5.
  • the actual nozzles 16 are radially symmetrically distributed along the axis of rotation 5 preferably elongated openings on the rotor part outer side 17 to the rotor inner surface 13a, the orientation of 19 according to Fig. 5 cut the axis of rotation 5 .
  • the cylindrical rotor inner surfaces 20a and 20b, and the projection 9 preferably have the same smallest inner radius and have a distance from the Anströmteilau touch Structure 12 , whereby a fluidic bearing is generated in operation.
  • the entire outer contour of rotor part 2 is preferably free of burrs and edges.
  • the inflow part 3 which is provided at one end with a fluid inlet 22 which is formed by an axial bore 21 serves. It is rotationally symmetrical with respect to the axis of rotation 5 and has on the side facing away from the fluid inlet 22 an annular bearing surface 23 which is formed as a projection opposite the Anströmteilau touch Structure 12 for axial mounting of the rotor part 2 .
  • the alignment axes 26 and 27 of these openings 24 and 25 do not intersect the rotation axis 5 , according to FIG 4 and FIG. 5 ,
  • the alignment axes 26 of the openings 24 with respect to the axis of rotation 5 are radially symmetrical and in the assembled state of the nozzle device 1 at the height of the rotor part inner surface 10b with respect to arranged along the axis of rotation 5 .
  • the alignment axes 27 of the openings 25 are preferably arranged radially symmetrically with respect to the axis of rotation 5 and, in the mounted state of the nozzle device 1, at the height of the rotor inner surface 13b with respect to the axis of rotation 5
  • the fluid inlet 22 forming hole 21 is formed as a blind hole and terminates preferably on the lower edge 31 of the openings 25 in the flow part, according to Fig. 2 ,
  • the rotor In the assembled state, the rotor is axially secured by the roundish bearing element outer surface 36 and rotatably mounted fluidly.
  • the bearing element 4 is rotationally symmetrical with respect to the axis of rotation 5 and has according to Fig. 3 a trained internal thread 37 for connection to a piping, whereupon a conical inner surface 38 for largely fluid-free as a transition to the formed internal thread 37 follows.
  • the bearing element 4 On the side facing the internal thread 37 for connection to a casing, the bearing element 4 is provided with an outer cylindrical surface 39 which is interrupted by the key surfaces 40 which are mirrored with respect to the axis of rotation 5 and preferably at a distance in the dimension of a standard wrench width are formed. From the lateral surface 39 is a roundish conical transition 41 to the cylindrical outer surface 42 on the serving for connection to the Anströmteil 4 internal thread 37 side facing.
  • the nozzle device 1 can be made of fluid and application-condition-compatible materials or combinations of such, such as metal, plastic, ceramic or glass.
  • the function of the invention embodiment nozzle device 1 described so far in Fig. 1 - Fig. 5 is as follows:
  • the fluid to be sprayed passes via the bearing element 4 into the fluid inlet 22, from where first part of the fluid flows through the fluid inlet closer openings 24 as fluid jets in the gap 7 between the rotor part 2 and the flow part outer surface 12 .
  • These fluid jets flowing into the gap 7 because the alignment axes 26 do not intersect the rotation axis 5 and the openings 24 are inclined against the radial direction, tangentially impinge on the rotor part inner surface 10b and are deflected therefrom. Due to the pulse transmission and entrainment effects occurring in this case, torque acting on the rotor part 2 is generated.
  • the portion of the fluid to be sprayed does not flow through the openings 24 as fluid jets flow through the openings 25 into the gap 8 .
  • These fluid jets strike tangentially preferably on the rotor part inner surface 13b and are deflected at the same. In this case, pulse transmission and entrainment effects occur analogously, which produce a further torque acting on the rotor part 2 counteracting the first torque.
  • the direction of rotation and rotational speed of the rotor part 2 is mainly determined by the difference of these torques, which is determined predominantly by the sum of the smallest freely flowed cross section of the openings 24 or 25 with the same inclination in the radial direction and by their distance from the fluid inlet 22 along the axis of rotation 5 ,
  • the rotor inner surfaces 10b and 13b which are primarily hit by the fluid jets emerging from the openings 24 and 25 without nozzle openings, such as 15 and 16, provided for a possible clear opening coverage of the rotor part 2 and the flow part 3, which in the operation of the nozzle device to a so-called hydraulic short circuit can lead to prevent.
  • the rotor inner surfaces 10b and 13b may be provided with mittician waunter spatul surface textures or internals, such as longitudinal ribs.
  • the fluid which has entered the interspaces 7 and 8 passes through the openings 15 and 16 through their elongated form as fan-shaped flat jets into the environment.
  • the exiting flat jets together form a spray cover of 360 ° with respect to along the axis of rotation 5, which, when the rotor part 2 rotates, results in an overall spatial distribution of the fluid to be sprayed with a uniform spray characteristic.
  • FIG. 6 to FIG. 10 is a further embodiment of the nozzle device according to the invention illustrated.
  • FIG. 6 to FIG. 10 is a further embodiment of the nozzle device according to the invention illustrated.
  • FIG. 6 to FIG. 10 illustrated embodiment of the nozzle device 1 according to the invention differs from the in Fig. 1 to Fig. 5 represented in particular by the fact that the screw 34 of Anströmteil 3 and bearing element 4, by continuing the fluid inlet 22 via the end to be connected to a casing 43 and the internal thread 37 for connection to a casing 49 by a pin securing means of a spring connector 44, in a congruent Through hole of Anströmteil 2 at the fluid inlet 22 and a pipe to 43 is inserted, has been replaced.
  • the bearing element 4 has been reduced to a ring 45 possessing the fluid-bearing annular surface 36 , which surrounds the inflow part outer surface 12 with play and is held with respect to the axis of rotation 5 by spring plugs 44 .
  • the rotor part inner surfaces 10a, 10b, 13a and 13b transition into each other without transition, whereby the intermediate spaces 7 and 8 form the at least one intermediate space 46 .
  • the nozzle openings 15 and 16 replaced the nozzle openings 47, these are rotationally symmetrical with respect to their alignment axes 48 and arranged with respect to the axis of rotation 5 radially and axially at regular and / or stochastic intervals, formed in the rotor part 2 .
  • the fluid to be sprayed emerges as a compact jet, so-called full jet into the environment.
  • the hole 21 formed as a blind hole in the inflow part 3 runs conically at the end facing away from the fluid inlet 22 to through bores 48 with associated alignment axes 50 , which lead through the rounded inflow part outer surface 49 into the free.
  • the advantage of in 6 to 10 illustrated embodiment of the nozzle device 1 is that these threadless, so smooth-walled formed and low gap, in particular can be mounted without labyrinth gaps and all existing gaps and niches are flowed through by the fluid, which hardly set particles or the like and after stopping the fluid supply to the fluid inlet 22 also no accumulations of the fluid to be sprayed can remain, which is the compliance with guidelines of hygiene standards such. For example: 3A and FC. This allows in particular the applications in the pharmaceutical and food sector.
  • FIG. 16 Further embodiments of the nozzle device according to the invention are illustrated. Insofar as there are similarities with the above-described nozzle device in construction and / or function, reference is made to the above description with reference to the same reference numerals.
  • FIG. 11 to Fig. 13 illustrated embodiment of the nozzle device according to the invention differs from that in 6 to 10 illustrated embodiment in that the bearing assembly 52 ensures the backup of the rotor part 2 only by means of a spring pin 44 without bearing element 4 .
  • bearing element 4 and 3 Anströmteil made as one and the same part 53 . This can be realized if the complete nozzle device is produced in an additive manufacturing process.

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EP19020022.0A 2018-01-21 2019-01-15 Dispositif de buse destiné à la distribution des fluides Active EP3513877B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018000528.4A DE102018000528A1 (de) 2018-01-21 2018-01-21 Düsenvorrichtung zum Ausbringen von Fluiden

Publications (2)

Publication Number Publication Date
EP3513877A1 true EP3513877A1 (fr) 2019-07-24
EP3513877B1 EP3513877B1 (fr) 2020-09-16

Family

ID=65036590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19020022.0A Active EP3513877B1 (fr) 2018-01-21 2019-01-15 Dispositif de buse destiné à la distribution des fluides

Country Status (2)

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EP (1) EP3513877B1 (fr)
DE (1) DE102018000528A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210245207A1 (en) * 2020-02-07 2021-08-12 Enz Technik Ag Pipe cleaning and/or inspection nozzle comprising extension sleeve
WO2024050074A1 (fr) * 2022-09-02 2024-03-07 Bete Fog Nozzle, Inc. Buse de pulvérisation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715538A (en) * 1984-04-03 1987-12-29 Woma-Apparatebau Wolfgang Maasberg & Co., Gmbh Swirl jet nozzle as a hydraulic work tool
CA1239761A (fr) * 1981-10-20 1988-08-02 Albrecht Wuthrich Machine de curage de conduites
WO1998009685A1 (fr) * 1996-09-04 1998-03-12 Miller Raymond G Dispositif et procede pour distribution stabilisee de liquide sous pression
DE102011078857A1 (de) * 2011-07-08 2013-01-10 Lechler Gmbh Sprühdüse und Verfahren zum Erzeugen wenigstens eines rotierenden Sprühstrahls
DE102015003559A1 (de) * 2015-03-18 2016-09-22 Gea Tuchenhagen Gmbh Rotierender Reiniger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1480507A (en) 1921-10-12 1924-01-08 Coblentz George William Lawn sprinkler
US4030513A (en) * 1975-11-05 1977-06-21 Babson Bros. Co. Tank washer
AT384378B (de) 1981-02-24 1987-11-10 Susanne Schrammel Handel Mit C Spruehkopf
IL116338A (en) 1995-12-12 2001-09-13 Mamtirim Dan Rotary sprinkler
DE10006864B4 (de) 2000-02-16 2006-02-09 Spraying Systems Deutschland Gmbh Reinigungsdüse
CH698881B1 (de) 2006-10-27 2009-11-30 Enz Technik Ag Reinigungsdüse mit gebremstem Rotorteil.
DE202008010110U1 (de) * 2008-07-28 2008-10-02 Zeitler, Frank Düsenkopf mit hydrostatischer Lagerung
US8137481B2 (en) 2009-06-30 2012-03-20 Alfa Laval Corporate Ab Tank cleaning apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1239761A (fr) * 1981-10-20 1988-08-02 Albrecht Wuthrich Machine de curage de conduites
US4715538A (en) * 1984-04-03 1987-12-29 Woma-Apparatebau Wolfgang Maasberg & Co., Gmbh Swirl jet nozzle as a hydraulic work tool
WO1998009685A1 (fr) * 1996-09-04 1998-03-12 Miller Raymond G Dispositif et procede pour distribution stabilisee de liquide sous pression
DE102011078857A1 (de) * 2011-07-08 2013-01-10 Lechler Gmbh Sprühdüse und Verfahren zum Erzeugen wenigstens eines rotierenden Sprühstrahls
DE102015003559A1 (de) * 2015-03-18 2016-09-22 Gea Tuchenhagen Gmbh Rotierender Reiniger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210245207A1 (en) * 2020-02-07 2021-08-12 Enz Technik Ag Pipe cleaning and/or inspection nozzle comprising extension sleeve
US11975367B2 (en) * 2020-02-07 2024-05-07 Enz Technik Ag Pipe cleaning and/or pipe inspection nozzle including extension sleeve
WO2024050074A1 (fr) * 2022-09-02 2024-03-07 Bete Fog Nozzle, Inc. Buse de pulvérisation

Also Published As

Publication number Publication date
DE102018000528A1 (de) 2019-07-25
EP3513877B1 (fr) 2020-09-16

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