WO2022194710A1 - Spray nozzle assembly for a spray device, spray device with a spray nozzle assembly, and nozzle body for a spray nozzle assembly - Google Patents
Spray nozzle assembly for a spray device, spray device with a spray nozzle assembly, and nozzle body for a spray nozzle assembly Download PDFInfo
- Publication number
- WO2022194710A1 WO2022194710A1 PCT/EP2022/056374 EP2022056374W WO2022194710A1 WO 2022194710 A1 WO2022194710 A1 WO 2022194710A1 EP 2022056374 W EP2022056374 W EP 2022056374W WO 2022194710 A1 WO2022194710 A1 WO 2022194710A1
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- WO
- WIPO (PCT)
- Prior art keywords
- spray
- nozzle
- openings
- nozzle body
- section
- Prior art date
Links
- 239000007921 spray Substances 0.000 title claims abstract description 521
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000005507 spraying Methods 0.000 claims description 58
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 claims 1
- 239000012459 cleaning agent Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
- B05B1/202—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor comprising inserted outlet elements
-
- 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
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
- B05B15/658—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits the spraying apparatus or its outlet axis being perpendicular to the flow conduit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
- B08B9/34—Arrangements of conduits 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
- 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
- B05B1/08—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 of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
- B05B1/083—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 of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators the pulsating mechanism comprising movable parts
-
- 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
-
- 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
- B05B13/069—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 the hollow bodies having a closed end
Definitions
- Spray nozzle arrangement for a spray device, spray device with a spray nozzle arrangement and nozzle body for a spray nozzle arrangement
- the invention relates to a spray nozzle arrangement for a spray device of a spray station of a container cleaning machine and to a spray device with a corresponding spray nozzle arrangement and to a nozzle body for a spray nozzle of such a spray nozzle arrangement.
- Cleaning machines for containers in particular container cleaning machines for bottles used in the beverage industry, are well known. For example, a not inconsiderable proportion of the beverages that are sold are offered in reusable containers made of glass or plastic, which is why the bottles and similar containers have to be cleaned before each use cycle. To clean these containers for their reuse, the above-mentioned cleaning machines are used within the bottling plants, which are known to those skilled in the most varied designs.
- Such container cleaning machines have several treatment zones between a container task and a container discharge, through which the bottles or containers are moved with a machine-internal conveyor.
- Widespread are embodiments in which the containers are individually received in so-called container cells or bottle cells or bottle baskets of the machine-internal conveyor during the cleaning phase and several of these container cells or bottle cells are arranged in a row.
- the bottle cells are held on endlessly circulating transport chains, by which they are guided through several treatment zones or treatment stations that follow one another in the transport direction. As a rule, these transport chains are permanently driven.
- the containers that are individually received in the bottle baskets or bottle cells and conveyed through the cleaning machine in the transport direction pass through several treatment zones during the treatment.
- Some treatment zones are each designed as a spray zone or spray station, in which the bottles or containers are oriented with their bottle or container mouths facing downwards be treated and sprayed out on the inside with jets of a liquid spray or cleaning medium emerging from spray nozzles and/or also sprayed off on the outside.
- the interior of the corresponding container accommodated in the container basket is sprayed out, among other things, in order to completely remove foreign bodies or lye residues from the interior of the container.
- Sufficiently long periods of time are required for the effective and complete cleaning of the containers both for the treatment with the caustic solution and, in particular, for the spraying within the spraying zones or spraying stations.
- the period of time is with a rigid arrangement of the spray nozzles of spraying, in particular the spraying time is very short.
- Spray stations with spray pipes or spray nozzle arrangements of the type mentioned, namely spray nozzle arrangements for rotating spraying, in which the nozzles also rotate, are known, for example, from WO 2009/003586 A1 or WO 2010/045990 A1.
- several spray nozzles are provided on a spray or distributor pipe, each consisting of one on nozzle element attached to the distributor pipe, which forms a first nozzle channel connected to the interior of the distributor pipe and has a first control opening, as well as a spray or nozzle shaft common to all spray nozzles on the spray pipe or distributor pipe, each of which connects the spray or nozzle opening and a second nozzle channel forming a second control opening is provided in such a way that whenever the two control openings overlap when rotating or pivoting the nozzle shaft, i.e. during a spraying phase or a spraying angle defined by this overlapping, the spray nozzle opens to release a spray jet, but is otherwise closed.
- each spray pipe is assigned exactly one spray or nozzle shaft.
- this has the disadvantage that, particularly in arrangements or setups in which several spray nozzle arrangements follow one another in order to expose the containers to a spray jet several times in succession for effective cleaning, this requires a high level of structural complexity and also leads to increased assembly and maintenance costs. The risk of confusion when servicing is also considerable.
- a spray nozzle arrangement corresponding to the features of claim 1 is designed to solve this problem. Furthermore, to achieve the object, a spray device with a spray nozzle arrangement according to claim 13 is specified, as well as a nozzle body for a spray nozzle of a spray nozzle arrangement according to claim 15. Advantageous developments of the invention are specified in the dependent claims. All of the features described are fundamentally the subject matter of the invention, either individually or in any combination, regardless of how they are summarized in the claims or how they relate back to them. Furthermore, the patent claims are made part of the description. The present invention provides a spray nozzle assembly for a spray station of a container cleaning machine.
- the spray nozzle arrangement has at least one spray tube, which is provided for supplying a spray medium and extends along a tube axis along its length, with a fluid-carrying interior space. Furthermore, the spray nozzle arrangement has a plurality of spray nozzles arranged on the at least one spray pipe, each spray nozzle comprising at least one nozzle body fastened to the spray pipe. A fluid channel connected to the fluid-carrying interior of the spray tube is formed in each nozzle body, and each spray nozzle has a spray opening for dispensing a spray jet of the spray medium.
- the spray nozzle arrangement is characterized in particular by the fact that the multiple spray nozzles are arranged on the at least one spray pipe in such a way that the spray openings are arranged in at least two rows of spray openings, each extending in the direction of the pipe axis, and the at least one spray pipe is thereby provided with at least a first row of first spray openings and at least one second row of second spray openings are assigned.
- containers can be effectively sprayed off or sprayed out in a spraying station with little structural effort. Due to the at least two rows of spray openings per spray pipe, the containers are sprayed by at least two consecutive spray jets on their movement path when crossing the spray nozzle arrangement, whereby only one spray pipe has to be connected to the supply lines, in particular supply and distribution pipes. This not only makes assembly easier, but also reduces assembly and connection costs. Maintenance and replacement in the event of service are also made easier.
- Each row of spray openings preferably comprises a plurality of spray openings arranged one behind the other at regular intervals in the axial direction of the pipe axis.
- the arrangement and the mutual distance between the spray openings arranged in the same row preferably corresponds to the pitch or the pitch distance of the container cells or container baskets of the conveyor arranged at a level above the spray nozzle arrangement, in which the containers are accommodated for cleaning and in a conveying direction transverse to the rows of spray orifices are moved.
- each spray opening is advantageously located below a container that is being moved past, and so each container accommodated in a corresponding container basket can be sprayed by the spray jet from a spray opening located below.
- the rows of spray openings are preferably arranged at a predetermined distance from one another in relation to a circumferential direction of the spray tube.
- the spray openings of the adjacent rows are offset relative to one another in relation to the axial direction of the pipe axis.
- the spray openings of the first row are thus each spaced apart from the spray openings of the adjacent second row.
- the spray jets emerging from the spray openings of the adjacent rows hit the containers to be cleaned in different ways or also at different points.
- the containers can be sprayed out and sprayed down effectively for cleaning the inside and outside, or the inside can be sprayed out with differently aligned directions of arrival of the spray jet.
- the spray openings of the adjacent rows can be arranged in relation to the axial direction of the pipe axis in such a way that one of the first spray openings in the first row and a respective second spray opening in the second row are arranged in pairs along the pipe axis, with each pair of spray openings in a common one, the tube axis perpendicular intersecting vertical plane is arranged.
- each container is repeatedly hit by a spray jet for spraying out and/or spraying off on its path of movement in a chronological sequence.
- At least one further row of spray openings is also arranged on the at least one spray pipe.
- at least three or at least four or more rows of spray openings each extend in the direction of the pipe axis. Three or four or even more rows of spray openings are assigned to each spray tube.
- the spray openings of a row of spray openings are each formed by a rigid spray provided on each of the spray nozzles.
- each tip nozzle is equipped with a fixed, essentially immovable nozzle section.
- This nozzle portion may be an integral part of the nozzle body or formed as a separate element attached to or in the nozzle body.
- the spray jet emerging from the spray opening is always directed in the same direction, with the direction of the spray jet being unchangeable.
- the spray openings of a row of spray openings are each formed by rotating spraying.
- at least one spray shaft common to a plurality of spray nozzles is preferably provided, with the at least one spray shaft being carried jointly by the respective nozzle bodies of the associated spray nozzles.
- the spraying shaft is driven and rotates in a synchronously controlled manner with the conveyor, which causes the containers to move in the conveying direction.
- the drive and the control of such a rotating spray shaft are carried out in a manner known to those skilled in the art.
- the spray jet emerging from the spray openings moves with the container conveyed in the conveying direction at least over a specific, predetermined angular range, ie the spray jet follows the container over a section of it movement path.
- the spray openings are opened and closed in a controlled manner, specifically due to the rotation of the spray shaft, among other things, so that the spray jet is actually sprayed out only in the desired manner and desired direction.
- one or more of the rows of spray openings as a rigid spray and at the same time to provide a rotating spray for one or more rows. It goes without saying that any combination of rigid and rotating spraying is possible here.
- a plurality of rows of spray openings are thus provided for each spray pipe, which are configured as fixed and/or rotating spraying, ie each individual row can be a fixed or rotating spray.
- the spray tube advantageously has a tube wall, with a multiplicity of openings being formed in the tube wall for respectively supporting and sealingly receiving a nozzle body, and with a nozzle body being inserted and sealed in each of the openings.
- the several openings in the pipe wall are also lined up one behind the other in the axial direction of the pipe axis, namely arranged in a row, in such a way that the openings also form at least two rows of openings corresponding to the rows of spray openings.
- a nozzle body is accommodated and fastened in each opening, with exactly one spray opening being provided with each nozzle body accommodated.
- the number, arrangement and distribution of the openings correspond to the number, arrangement and distribution of the spray openings.
- a respective nozzle body is designed to provide two spray openings, for example by the nozzle body being formed as a bifurcated body and the fluid channel formed in the nozzle body branching and thereby “serving” two spray openings, a single row of openings in the spray tube is sufficient to form two rows of spray holes.
- Each nozzle body is preferably designed for sealing and preferably releasable attachment to the spray tube and for this purpose has in particular a connecting section, the connecting section being sealingly and securely held in the opening in the tube wall of the spray tube.
- the opening in the pipe wall of the spray pipe and the connecting section of the nozzle body fitting precisely into the opening form a fastening device, in particular a quick-action fastening device for the secure and liquid-tight connection of the spray nozzle to the spray pipe.
- the spray pipe can have a circular or essentially circular cross-sectional shape or a polygonal or essentially polygonal cross-sectional shape.
- a circular or essentially circular cross-sectional shape or a polygonal or essentially polygonal cross-sectional shape for example, quadrangular, preferably rectangular or diamond-shaped, particularly preferably square, cross-sectional shapes are particularly suitable, but also pentagonal, hexagonal or oval cross-sectional shapes.
- the invention also relates to a spray device for a spray station of a container cleaning machine.
- the spray device has at least one feed or distributor pipe with at least one connecting line and at least one spray nozzle arrangement which is fluidically connected to the feed or distributor pipe via the at least one connecting line.
- the spray nozzle arrangement comprises a spray tube which is provided for supplying a spray medium and extends along a tube axis along its length and has a fluid-carrying interior which is equipped with a plurality of spray nozzles arranged on the at least one spray tube.
- Each spray nozzle has at least one nozzle body attached to the spray tube, with a fluid channel connected to the fluid-carrying interior of the spray tube being formed in each nozzle body.
- Each spray nozzle has a spray opening for delivering a spray jet of the spray medium.
- the spray device is particularly characterized in that the several spray nozzles are arranged on the at least one spray pipe of the spray nozzle arrangement in such a way that the spray openings are arranged in at least two rows of spray openings each extending in the direction of the pipe axis. As a result, at least one first row of first spray openings and at least one second row of second spray openings are assigned to the at least one spray pipe.
- At least two spray nozzle arrangements are preferably provided in the spray device and are fluidically connected to the feed or distributor pipe.
- the at least two spray nozzle arrangements are arranged in such a way that the respective tube axes of the spray tubes run parallel or essentially parallel to one another.
- An additional transverse distributor pipe is advantageously provided here, connected to the supply or distributor pipe, to which the respective spray pipes of the spray nozzle arrangements are connected by means of respective connecting lines.
- the spray device is advantageously designed in such a way that the containers to be cleaned cross at least four rows of spray nozzles on their path of movement, as a result of which particularly effective cleaning can be achieved with a simple structural design.
- the present invention also relates to a nozzle body of a spray nozzle of a spray nozzle assembly.
- the nozzle body is designed for attachment to a spray pipe of the spray nozzle arrangement and for this purpose has a connection section at a connection end provided for connection to the spray pipe.
- the nozzle body further has at least one spraying portion at a spraying end opposite to the connecting end.
- a continuous fluid channel is formed in the nozzle body and opens at the connecting end and at the spraying end.
- the nozzle body is characterized in particular by the fact that the connecting section is designed to engage, preferably with a precise fit, in an opening provided in the spray pipe in a pipe wall of the spray pipe and can be inserted into the opening in a sealing manner, and that the at least one spray section is designed for a fixed or rotating sprayer configured to receive a fixed nozzle portion of a fixed sprayer or to receive a rotating spray shaft of a rotating sprayer.
- the connecting section of the nozzle body is preferably designed in such a way that it is part of a fastening device, in particular a quick fastening device, preferably a rotary locking device, and corresponds to the opening in the tube wall of the spray tube or interacts with it in a precisely fitting and complementary manner.
- the nozzle body is particularly preferably designed in the form of an angled body, with a lower part of the nozzle body carrying the connecting section extending along a first body axis and an upper part having the spray section extending along a second body axis.
- the body axes enclose an obtuse angle or a right or essentially right angle. This makes it possible, in a particularly advantageous manner, to fasten the nozzle body also laterally on the spray pipe and at the same time to ensure an upward spraying direction for the spray jet emitted, preferably also vertically or essentially vertically upwards.
- the fluid channel which extends continuously from the connection end to the spray end, has a first section facing the connection end and a second section facing the spray end.
- the sections here also run at an angle to one another and the first section extends along the first body axis and the second section along the second body axis.
- the sections of the fluid channel thus also enclose an obtuse angle or a right or essentially right angle.
- the angle can be optimally selected for the respective application and can be, for example, in a range from around 90° to around 170°, preferably in a range from around 110° to 150°, particularly preferably in a range from 120° to 140° and most particularly are preferably around 135°. Due to the angled shape, a secure sealing attachment to the spray pipe and at the same time an upward alignment of the spray jet caused by the nozzle body can be guaranteed.
- the spray section is preferably designed to support a rotating spray shaft and forms a receiving space for the spray shaft.
- This receiving space can be formed by a closed ring structure of the nozzle body, into which the spray shaft can be pushed or inserted, for example along its length.
- the receiving space can also be formed by a concavely curved, open receiving curvature of the nozzle body, into which the spray shaft can be inserted.
- a cage-like or bracket-like securing element is preferably additionally provided which is pivotably linked to the nozzle body and with which the receiving space can be closed.
- a latching mechanism is provided for this purpose with corresponding latching means formed on the securing element and on the nozzle body, via which the securing element can be fixed in its closed position holding the spray shaft.
- the at least one spray section is equipped with a fixed nozzle section for rigid spraying.
- the stationary nozzle section can be designed in one piece with the nozzle body and molded into it.
- the stationary nozzle section can also be designed as a separate element which is attached to or in the nozzle body, for example screwed to it.
- the nozzle body is in the form of a bifurcated substantially Y-shaped body.
- a lower subregion of the nozzle body that carries the connecting section bifurcates into two upper subregions, each having a spray section.
- the fluid channel branches from the connection section to the respective spray sections.
- two spray nozzles with two spray openings can be formed via a nozzle body.
- here in a single series of A plurality of forked nozzle bodies are used in perforations in the spray tube, thereby forming two rows of spray orifices.
- the nozzle body is designed in several parts and comprises at least a first body section and a second body section that can be connected to the first body section.
- the connection section is provided on the first part of the body and the injection section is provided on the second part of the body.
- the two sections can preferably be releasably connected or connected to one another, the connection being able to be established, for example, by a plug-in connection or a snap-in connection or a snap-in plug-in connection.
- the second body section is fitted onto the first body section such that the first body section is partially accommodated in the second body section. It goes without saying that the connection of the two body sections is secured and sealed in such a way that the fluid channel in the body sections connected to one another is continuous and in particular liquid-tight from its opening at the connection end to its opening at the injection end.
- FIG. 4 shows an embodiment of a nozzle body in a perspective view (part A of the figure), in a side view (part B of the figure) and in a sectional representation
- FIG. 5 shows a further alternative embodiment of a nozzle body in a perspective view (part A of the figure), in a side view (part B of the figure) and in a sectional view,
- FIG. 6 shows a further alternative embodiment of a nozzle body in a perspective view (part A of the figure), in a side view (part B of the figure) and in a sectional view,
- FIG. 7 shows yet another alternative embodiment of a nozzle body in a perspective view (part A of the figure), in a side view (part B of the figure) and in a sectional view;
- FIG. 9 shows a view of an alternative embodiment variant of a spray nozzle in a greatly simplified and roughly schematically sketched representation
- the spray nozzle arrangement generally designated 1 in the figures is, for example, a component of a spray device in a spray station of a cleaning machine, eg a bottle or container cleaning machine for cleaning containers or bottles.
- a machine-internal conveyor is provided in an interior space of the container cleaning machine formed by a closed housing, with which the containers to be cleaned are transported through the container cleaning machine along a transport route in a conveying direction indicated in the figures by the dashed arrow F.
- the conveying direction F of the containers runs transversely, in particular perpendicularly or essentially perpendicularly to a longitudinal axis LA of the spray nozzle arrangement 1.
- container cells which can also be referred to as container carriers or baskets, in a manner known to those skilled in the art. wherein a plurality of these container cells are arranged in a row next to each other and the containers accommodated in the container cells are transported through the injection station in these rows.
- each spray station has a spray nozzle arrangement 1 with a plurality of spray nozzles 3, which are evenly spaced from one another in the direction of the longitudinal axis LA of the spray nozzle arrangement 1, in particular at a pitch corresponding to the division of the rows of containers or the Pitch of the container cell rows corresponding distance to each other are arranged.
- the spray nozzle arrangement 1 is stationary in the container cleaning machine or in the local spraying station, ie it does not move linearly with the machine-internal conveyor for the containers in the conveying direction F of the containers Machine component or machine unit arranged below the transport route on which the containers are moved past.
- FIGS 1 and 2 each show a highly simplified and only roughly schematically outlined overview of a spraying device with a respective preferred embodiment variant of the spray nozzle arrangement 1.
- the spray nozzle arrangement 1 comprises a spray tube 2 for supplying a suitable spray medium used for cleaning the containers or Cleaning medium, which can be, for example, water, a cleaning solution, a water-lye mixture or similar cleaning agent, e.g. also an acidic cleaning agent.
- the spray tube 2 has a fluid-carrying interior 2a (not visible in Figures 1 and 2, see e.g. Figure 3) and extends along its length along a tube axis RA, which in the examples is coaxial with the longitudinal axis LA of the spray nozzle arrangement 1 and with this one collapses.
- the spray tube 2 is fluidly connected to a feed tube 8 designed as a longitudinal tube, which also extends along its length in the direction of the longitudinal axis LA and is arranged on a lower support frame, not shown in the figures.
- the feed tube 8 can also be understood as a longitudinal distributor tube and is fluidly connected to the spray tube 2 via at least one connecting line 9 or a channel 9 .
- a plurality of spray nozzles 3 are arranged on the spray pipe 2, each spray nozzle 3 having at least one nozzle body 4 fastened to the spray pipe 2, and each nozzle body 4 having a fluid channel 5 connected to the fluid-carrying interior space 2a of the spray pipe 2 (in Figures 1 and 2 not visible) is formed.
- the nozzle body 4 is described in more detail below in connection with FIGS.
- Each spray nozzle 3 of the spray nozzle assembly 1 has a respective spray opening 7,
- a spray jet of the spray medium for dispensing a spray jet of the spray medium, in such a way that the spray medium is discharged or discharged as a spray jet via the spray opening 7, 7'.
- the spray jet being oriented essentially upwards, namely in the direction of the containers transported past above and also reaching the interior of the respective containers through the downward-pointing container openings, whereby these can be sprayed off and also sprayed out on the inside.
- the multiple spray nozzles 3 are arranged on the spray pipe 2 in such a way that the spray openings 7, 7' are in at least two rows R, R' of spray openings 7, 7', each extending in the direction of the pipe axis RA, namely at least in a first row R of first spray openings 7 and at least a second row R' of second spray openings 7'.
- Each spray pipe 2 is thus assigned a plurality of spray nozzles 3, the spray openings 7, 7' forming at least a first row R and a second row R' of spray openings 7, 7'.
- the first and second rows R, R' of spray openings 7, 7' run at a distance from one another along the spray tube 2 and in particular essentially parallel to one another and preferably parallel to the tube axis RA.
- the two rows R, R' of spray openings 7, 7' are thus arranged at a distance d (see FIG. 3) from one another with respect to the circumference of the spray pipe 2, in particular with respect to a circumferential direction U of the spray pipe 2.
- Nozzle function provided nozzle mechanism which can be formed by corresponding nozzle sections or nozzle elements of the spray nozzles 3 or by a spray shaft common to several spray nozzles 3 .
- spraying is to be understood as that structure via which the spray jet is ultimately discharged by means of a nozzle function and which provides a nozzle outlet or a nozzle mouth which forms the spray opening 7, 7'.
- the spray nozzle arrangement 1 of the embodiment variant according to FIG. 1 has a rigid or fixed spray in both rows R, R'. With this rigid or fixed spraying, a fixed nozzle section 6 (see FIG. 9) is provided for each individual spray nozzle 3 .
- the fixed one Nozzle section 6 can be arranged on or in the nozzle body 4, is immovable relative to the respective nozzle body 4 of the spray nozzle 3 and has a respective nozzle opening or nozzle outlet opening.
- the spray openings 7, 7' are formed here by the respective nozzle openings or nozzle outlet openings of the fixed nozzle sections 6 of the respective spray nozzles 3.
- the stationary nozzle section 6 of a spray nozzle 3 can be molded into the nozzle body as an integral part of the nozzle body, or it can alternatively be designed as a separate nozzle element that is fastened in or on the nozzle body 4, for example screwed in.
- the spray nozzle arrangement 1 of the embodiment variant according to Figure 2 has a rotating spray system with at least one spray shaft or nozzle shaft 10, 10' common to several spray nozzles 3, the spray shaft 10, 10' being rotatably mounted in the nozzle bodies 4 of several spray nozzles 3.
- two injection shafts or nozzle shafts 10, 10' are provided.
- Each spray shaft 10, 10' is assigned to a plurality of spray nozzles 3 which provide the respective first and second rows R, R' of spray openings 7, 7' and are themselves arranged in a row along the spray pipe 2.
- the first row R of spray openings 7 is formed by the respective spray nozzles 3 also arranged in a row together with the spray shaft 10 and the second row R' of spray openings 7' accordingly by the respective spray nozzles 3 also arranged in a row together with the Splash shaft 10'.
- the rotating spraying described above namely the spraying or nozzle shaft 10, 10' common to several spraying nozzles 3 and rotatably mounted on the respective nozzle bodies 4 of the several spraying nozzles 3, is carried out in a manner known to the person skilled in the art.
- the rotatable or pivotable spray or nozzle shaft 10, 10' can be provided with an actuator at least at one end, via which the spray or nozzle shaft 10, 10' can be rotated or moved synchronously with the transport movement of the container baskets transported past above .
- Such an actuator can be used, for example, as a drive star or star element, in particular as a four-beam star element, with correspondingly assigned driver rollers, be trained.
- Synchronous rotation of the spray or nozzle shaft 10, 10' with the movement of the conveyor and thus with the movement of the containers transported past in the conveying direction is conveyed or driven via the actuator and corresponding driver elements on the machine-internal conveyor.
- the spray jet can be emitted over a defined angular range and can follow the containers on their movement path over this angular range.
- the spray openings 7, 7' are also opened in a controlled manner, so that the spray jet is released only in the desired manner and in particular only within a predetermined, desired angular range.
- the spray tube 2 is designed as a substantially circular-cylindrical fluid-carrying tube, in which a tube wall runs concentrically around the tube axis RA and forms a peripheral surface in the circumferential direction U.
- the spray tube 2 it is conceivable and even advantageous for the spray tube 2 to have a cross-sectional shape that differs from the round cross-sectional shape (see FIGS. 8a-e).
- the pipe wall is designed to run around the pipe axis RA in the circumferential direction U, wherein in the case of pipes with a polygonal cross-section the adjoining side surface sections together form the lateral surface designed to enclose the pipe axis RA in the circumferential direction U.
- a plurality of openings 14 are formed in the tube wall of the spray tube 2 in accordance with the arrangement of the spray nozzles 3 (cf. FIG. 3).
- the openings 14 in the pipe wall serve on the one hand to attach or fix or fix the spray nozzles 3, in particular the nozzle body 4 on the spray pipe 2 and on the other hand to open the fluid connection between the spray pipe 2 and the spray nozzles 3, namely the open position of the fluid connection between the fluid-carrying interior 2a of the spray tube 2 and the fluid channel 5 formed in the nozzle body 4 of the nozzle body 4 fastened at the respective position of an opening 14.
- the spray pipe 2 is preferably designed in such a way that the plurality of openings 14 provided in the pipe wall are arranged in at least two rows R, R' of spray openings 7, 7', with each row of openings 14 in the longitudinal direction of the spray pipe 2, namely in the direction of the pipe axis RA, and the at least two rows of openings 14 in the circumferential direction U are spaced apart from one another.
- rotating spraying with a spray shaft 10, 10' can be provided in at least one of the several rows R, R', R'' and at the same time a rigid spraying system in at least one of the several rows R, R', R''.
- the spray nozzles 3 in FIGS. 8a-e are only shown in a stylized form, ie each of the spray nozzles 3 shown can represent a Symbolize spray nozzle 3 with rigid spraying or one with rotating spraying.
- FIG. 3 an example of an embodiment variant of a spray nozzle arrangement 1 is shown in a sectional view, specifically in a sectional view with the direction of the section in a vertical section plane which perpendicularly intersects the pipe axis RA.
- the spray tube 2 is designed as a square tube, with a row of spray nozzles 3 being arranged on each of two adjacent side surface sections 2.1, 2.2 of the tube wall of the spray tube 2, and as a result the two rows R, R' extending along the spray tube 2. are formed by spray openings 7, 7'.
- the side surface sections 2.1, 2.2 of the tube wall of the spray tube 2 each have a large number of openings 14 lined up in the axial direction of the tube axis RA, with a respective nozzle body 4 being fastened in each opening 14.
- the openings 14 in the tube wall of the spray tube 2 are also arranged in rows, which correspond to the two rows R, R' of spray openings 7, 7'.
- the arrangement and the relative distance between the individual openings 14 to one another essentially corresponds to the arrangement and the relative distance between the spray openings 7,
- each nozzle body 4 has a connecting section 11 at its end facing the spray tube 2 , which can also be referred to as the connecting end.
- the connecting section 11 of the nozzle body 4 is preferably designed as a quick-connect section and in particular represents a section serving as a connecting and locking section, for example a twist-locking section.
- Each of the openings 14 in the tube wall of the spray tube 2 is designed for a suitable or precisely fitting engagement of the connecting section 11 of the nozzle body 4 in such a way that each opening 14 together with a respective connecting section 11 forms a secure and sealing fastening device, in particular a quick fastening device.
- a secure and sealing fastening device in particular a quick fastening device.
- the quick fastening device for the liquid-tight, securing and locking connection of the nozzle body 4 to the spray tube 2 can be designed as a rotary locking device which produces a non-positive and/or positive connection in a locking position.
- the nozzle body 4 forming the continuous fluid channel 5 extends into the fluid-carrying interior space 2a of the spray tube 2 and rests with at least one projection 15 forming an undercut (cf. Figure 4) of its connecting section 11 on an inside of the tube wall, whereby the nozzle body 4 is securely held and fixed in the locking position.
- the connecting section 11 of the nozzle body 4 also has a sealing surface 16 on the side protruding outwards beyond the outside of the tube wall of the spray tube 2 , which is designed in particular for positionally accurate and precisely fitting contact with the spray tube 2 .
- An edge of the opening 14 is accommodated at least in sections so that it fits between the sealing surface 16 and the projection 15 .
- the sealing surface 16 is designed with regard to its shape such that it is preferably complementary to the shape of that section of the peripheral surface of the spray tube 2 which surrounds the opening 14 and on which the sealing surface 16 lies flat.
- a sealing element 17 (see Figure 4),
- a sealing ring can be provided, which additionally supports the sealing position of the nozzle body 4 on the spray pipe 2 .
- the nozzle body 4 has a spray end with a spray section 12 on which the spray opening 7, 7' is provided.
- the example in FIG. 3 shows rotating spraying.
- the injection section 12 is designed at the injection end of the nozzle body 4 for the supporting reception and rotatable mounting of the injection shaft 10, 10'.
- the plurality of nozzle bodies 4, which are arranged on the side face 2.1, carry the spray shaft 10 which they share, whereby the first row R of spray openings 7 is formed.
- the several nozzle bodies 4 arranged on the side surface 2.2 carry the spray shaft 10' which they share, whereby the second row R' of spray openings 7' is formed.
- the nozzle body 4 is designed in the form of an angled body, with the lower part of the nozzle body 4 having the connecting section 11 and the upper part having the spray section 12 forming an angle, preferably an obtuse angle.
- the fluid channel 5 formed in the nozzle body 4 also has a first section 5.1 facing the fluid-carrying interior space 2a of the spray tube 2 and a second section 5.2 adjoining it at an angle and facing the spray opening 7, 7'.
- FIG. 4 shows the exemplary nozzle body of FIG. 3 in different views in a state that is not connected to the spray pipe 2 .
- the nozzle body 4 is described in more detail with reference to FIG. 4 and to FIGS. 5 to 7, in which further preferred embodiment variants of the nozzle body 4 are shown.
- the nozzle body 4 is shown in a perspective view (part A of the respective figure), in a side view (part B of the respective figure) and in a sectional view (part C of the respective figure).
- All of the nozzle bodies 4 shown in FIGS. 4 to 7 are designed in particular for rotating spraying and, for this purpose, are designed at their respective spraying end with a spraying section 12 for the supporting reception and rotatable mounting of the spraying shaft 10, 10'.
- the variants of the nozzle body 4 shown in FIG. 5 and FIG. 6 are also designed in the form of an angled body, with the fluid channel 5 having two sections 5.1, 5.2 at an angle to one another.
- the variant of the nozzle body 4 shown in FIG. 7 has a straight shape with a straight fluid channel 5 .
- the lower partial area of the nozzle body 4 which has the connecting section 11 and the first section 5.1 of the fluid channel 5, extends along a first body axis KA1.
- the upper partial area having the spray section 12 and the second section 5.2 of the fluid channel 5 facing the spray opening 7, 7' extends along a second body axis KA2.
- the two body axes KA1, KA2 enclose an obtuse angle, which is around 135° in the examples shown. It goes without saying that, depending on the configuration of the cross-sectional shape of the spray tube 2, other angles, for example a right or essentially right angle, can be preferred.
- a receiving space for the spray shaft 10, 10' is formed in the spray section 12 of a respective nozzle body 4, with a concave contact surface 13 being provided in the receiving space, which is used for tight contact against the lateral surface of the spray shaft 10, 10' and is concave for this purpose is curved, namely with a radius which is equal to or approximately equal to half the outer diameter of the spray shaft 10, 10', so that the contact surface 13 forms a surface which is complementary to a section of the lateral surface of the spray shaft 10, 10'.
- the contact surface 13 is designed in such a way that it receives the spray shaft 10, 10' in sealing contact over part of its circumference and also forces it into sealing contact with the remaining inner surface of the receiving space in the spray section 12, with the contact surface 13 for this purpose, for example, being provided with a spring-loaded insert part or insert piece 20 is formed, which is in the nozzle body 4 is recorded.
- the contact surface 13 of the insert 20 protrudes further into the receiving space compared to the embodiment of FIG.
- the receiving space in the spray section 12 is formed by a circumferential, closed ring structure 21 in each case.
- An inner diameter of the ring structure 21 preferably corresponds approximately to the outer diameter of the spray shaft 10, 10'.
- the contact surface 13 and preferably the entire inner surface of the receiving space in the injection section 12 are such that the injection shaft 10, 10' can rotate with the least possible friction, preferably unhindered. This is brought about, for example, by the fact that the nozzle body 4 is made of a very high-quality plastic material with extremely low coefficients of friction, particularly in the area of the contact surface 13 and/or the inner surface of the receiving space in the injection section 12 .
- the nozzle bodies 4 are basically made, for example, from a plastic, in particular from a plastic that is inert or resistant to cleaning agents.
- the material of the nozzle body is advantageously chosen so that it is stable and strong enough to withstand the mechanical requirements and in particular to ensure the safe, firm and locking connection with the spray tube 2, the material being elastic enough to easily get into the Opening 14 to be used in the spray tube and sealingly against the spray tube 2 rests.
- the nozzle bodies 4 are preferably injection molded parts that are produced using an injection molding process.
- the example in FIG. 5 differs from the examples in accordance with FIG.
- the concavely curved receiving space is designed to be open at the top, with a pivotable, cage-like or bracket-like securing element 18 being additionally provided here, which is articulated on the nozzle body 4 and for securing the items received in the receiving space Spray shaft 10, 10' is used.
- FIG. 10 uses a sectional view to show yet another alternative embodiment of a nozzle body 4, in which the nozzle body 4 is designed in several parts and has a first body section 4.1 and a second body section 4.2 detachably connected thereto.
- the connecting section 11 is provided via the first body section 4.1 and the injection section 12 is provided via the second body section 4.2.
- the two sections 4.1, 4.2 are preferably releasably connected to one another in that the second body section 4.2 is pushed onto the first body section, for example also pressed and secured by latching.
- a variant of a spray nozzle 3 with rigid spraying is shown as an example.
- a nozzle section 6 is introduced, which in the example in Figure 9 is formed as a separate element which is located in the nozzle body 4 fastened, in particular screwed there.
- the nozzle section 6 can be formed integrally and in one piece with the nozzle body 4 and, for example, molded there.
- Spray tube a fluid-carrying interior .1, 2.2 side surface sections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX2023010853A MX2023010853A (en) | 2021-03-16 | 2022-03-11 | Spray nozzle assembly for a spray device, spray device with a spray nozzle assembly, and nozzle body for a spray nozzle assembly. |
EP22712583.8A EP4308317A1 (en) | 2021-03-16 | 2022-03-11 | Spray nozzle assembly for a spray device, spray device with a spray nozzle assembly, and nozzle body for a spray nozzle assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021106372.8A DE102021106372A1 (en) | 2021-03-16 | 2021-03-16 | Spray nozzle arrangement for a spray device, spray device with a spray nozzle arrangement and nozzle body for a spray nozzle arrangement |
DE102021106372.8 | 2021-03-16 |
Publications (1)
Publication Number | Publication Date |
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WO2022194710A1 true WO2022194710A1 (en) | 2022-09-22 |
Family
ID=80937041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/056374 WO2022194710A1 (en) | 2021-03-16 | 2022-03-11 | Spray nozzle assembly for a spray device, spray device with a spray nozzle assembly, and nozzle body for a spray nozzle assembly |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4308317A1 (en) |
DE (1) | DE102021106372A1 (en) |
MX (1) | MX2023010853A (en) |
WO (1) | WO2022194710A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117963473B (en) * | 2024-04-02 | 2024-06-04 | 临洮县鑫昕淀粉制品有限公司 | Wide powder processing spiral elevator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996018466A2 (en) * | 1994-12-14 | 1996-06-20 | Eagle-Picher Industries, Inc. | Container washing apparatus and system |
WO1999056891A1 (en) * | 1998-05-04 | 1999-11-11 | Armor Mrtal Fabrication, Inc. | Can washing apparatus with plastic risers |
DE10103219A1 (en) * | 2000-01-26 | 2001-08-09 | Spraying Systems Co | Quickly connectable nozzle arrangement |
WO2009003586A1 (en) | 2007-06-29 | 2009-01-08 | Khs Ag | Spray pipe and spray station with a spray pipe of this type |
WO2010045990A1 (en) | 2008-10-20 | 2010-04-29 | Khs Ag | Injector arrangement, cleaning machine, and injector |
RU197442U1 (en) * | 2020-03-05 | 2020-04-28 | Акционерное общество "Рузаевский завод химического машиностроения" (АО "Рузхиммаш") | Stationary sludge erosion device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4109102A1 (en) | 1991-03-20 | 1992-09-24 | Seitz Enzinger Noll Masch | Spray unit for container cleaners - has bearing block in each nozzle area surrounding spray pipe and leaving spray window |
DE4330335C2 (en) | 1993-09-08 | 2003-08-21 | Krones Ag | Spraying device for bottle washing machines |
-
2021
- 2021-03-16 DE DE102021106372.8A patent/DE102021106372A1/en active Pending
-
2022
- 2022-03-11 WO PCT/EP2022/056374 patent/WO2022194710A1/en active Application Filing
- 2022-03-11 MX MX2023010853A patent/MX2023010853A/en unknown
- 2022-03-11 EP EP22712583.8A patent/EP4308317A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996018466A2 (en) * | 1994-12-14 | 1996-06-20 | Eagle-Picher Industries, Inc. | Container washing apparatus and system |
WO1999056891A1 (en) * | 1998-05-04 | 1999-11-11 | Armor Mrtal Fabrication, Inc. | Can washing apparatus with plastic risers |
DE10103219A1 (en) * | 2000-01-26 | 2001-08-09 | Spraying Systems Co | Quickly connectable nozzle arrangement |
WO2009003586A1 (en) | 2007-06-29 | 2009-01-08 | Khs Ag | Spray pipe and spray station with a spray pipe of this type |
WO2010045990A1 (en) | 2008-10-20 | 2010-04-29 | Khs Ag | Injector arrangement, cleaning machine, and injector |
DE102008052114A1 (en) * | 2008-10-20 | 2010-04-29 | Khs Ag | Spray nozzle arrangement, cleaning machine and spray nozzle |
RU197442U1 (en) * | 2020-03-05 | 2020-04-28 | Акционерное общество "Рузаевский завод химического машиностроения" (АО "Рузхиммаш") | Stationary sludge erosion device |
Also Published As
Publication number | Publication date |
---|---|
MX2023010853A (en) | 2023-09-28 |
EP4308317A1 (en) | 2024-01-24 |
DE102021106372A1 (en) | 2022-09-22 |
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