EP2138243B1 - Shot blaster - Google Patents

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Publication number
EP2138243B1
EP2138243B1 EP09006256A EP09006256A EP2138243B1 EP 2138243 B1 EP2138243 B1 EP 2138243B1 EP 09006256 A EP09006256 A EP 09006256A EP 09006256 A EP09006256 A EP 09006256A EP 2138243 B1 EP2138243 B1 EP 2138243B1
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EP
European Patent Office
Prior art keywords
liquid
lance
jet cleaner
inner tube
tube
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EP09006256A
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German (de)
French (fr)
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EP2138243A1 (en
Inventor
Marino Casnico
Pierre Casnico
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Individual
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    • 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
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
    • 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
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • 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
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning 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
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • 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
    • B05B3/066—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 the movement of the outlet elements being a combination of two movements, one being rotational

Definitions

  • the invention relates to a jet cleaner for cleaning, rinsing, disinfecting and sterilizing in particular predominantly closed, difficult to access container interior spaces with the aid of liquid media.
  • liquid driven jet cleaner which are equipped as a lance body with a nozzle body and are connected via a coupling part with a drive motor.
  • a lance which consists of a tube in which a drive axle driven by a drive axis is guided axially, at the pipe outlet, a nozzle body is arranged, which is driven via the drive shaft.
  • the lance tube is closed but not the nozzle body.
  • the cleaning liquid is conveyed through the pipe interior and a pipe closure part in the nozzle body and out of this through the nozzle openings back out.
  • a self-cleaning nozzle wherein an increase of the pressure medium pressure causes, for example, a poppet valve together with attached sealing means itself stands out from a special housing which releases the metering. This leads to a change in the Outlet dimensions of the metering orifice so that stuck particles can be removed by the fluid flow.
  • a self-cleaning spray nozzle the company Spraying Systems Co., US, known, which is formed with a standard fitting as a nozzle body.
  • a unitized valve assembly is partially inserted into and secured to the fitting.
  • the valve assembly comprises a secured valve set which is biased by a spring against a spray head such that the valve seat forms a seal with the spray head.
  • the spray head is formed so that it does not form a complete seal with the valve seat, wherein a gap in the seal forms a metering orifice, from which the fluid is sprayed out at normal pressure medium pressure with a predetermined spray pattern.
  • the DE 691 21 248 T2 Toftjejorg, DK discloses a device for cleaning closed spaces by sprayed liquid.
  • the apparatus comprises a housing having a fixed part to which the liquid is supplied and on which is mounted a rotatable member on which a hub with spray nozzles is suspended in bearings and a turbine driven by the liquid and a planetary gear mechanism is mounted in the fixed part for rotating the rotatable member and the nozzles in such a way that the liquid which is sprayed during rotation through the nozzles, the entire interior of the closed spaces can clean, wherein the fixed part comprises a toothed edge which engages with a serrated edge on the hub, both edges being surrounded by the housing.
  • the apparatus is characterized in that the gear, the toothed edges and the bearings between the parts extend in a part of the fluid flow in such a way that the liquid is passed out through the device through slots outwardly between the fixed part and the rotatable part and between the rotatable part and the hub are formed.
  • These cleaning devices are used in particular for cleaning tanks in the food industry, the chemical and pharmaceutical industry and similar areas, where it is important for particularly cleanliness of such spaces.
  • the device described here for cleaning closed rooms has a self-cleaning in the nozzle body area, but is characterized by a compact, complex construction, with which the cleaning of a lance body is not feasible.
  • WO 2004/060577 A1 is also a spray system with automatic nozzle cleaning device known.
  • which consists of an outer tube with a number of axially arranged spray nozzles, in which a drive axle with radially arranged brushes is arranged.
  • liquid is passed, which extends between the rotating drive shaft and the outer tube, whereby the inner wall of the outer tube and the nozzles are cleaned by the rotating drive shaft with the brushes and the liquid and the contaminated liquid can drain over an outflow.
  • This self-cleaning device is essentially suitable for cleaning the nozzles.
  • the radial brush assembly on the drive axle is also subject to high wear.
  • a jet cleaner in particular for cleaning containers such as tanks and the like with the aid of liquid media having the features of claim 1.
  • the second fluid circuit according to the invention requires no additional components on the known jet cleaner. It is only a liquid supply member, two nested tubes and a closed spherical nozzle body required, which are interconnected according to the preamble of claim 1 and pump with a conventional motor gear fluid in the lance body and the nozzle body.
  • The, intended for the cleaning of the Zielstrahlrutzs, second separate liquid circuit is provided in particular for cleaning in the high pressure region and, according to claim 2, by a simple separate channel guide via a second liquid inlet opening in the liquid supply member, an annular cavity between the outer tube wall of the inner tube and the inner Pipe wall of the outer tube of the lance body, the axial openings formed in the fixed gear body and the outlet slots in the rotation body.
  • the liquid guide takes place on the, according to claim 3, defined way.
  • the device arrangement according to the invention has the great advantage that the structural design of the target jet cleaner by the largely closed lance body and the lance head, is relatively resistant to contamination. Nevertheless occurring contamination of the jet cleaner, for example, by rising liquids in the container or splashed dirt particles that attach to the device can be easily removed after completion of the cleaning process.
  • the target jet cleaner must be removed from the cleaned container, the liquid supply interrupted via the conventional liquid inlet opening and the second liquid circuit according to the invention via the second liquid inlet opening to the liquid supply part to be opened.
  • This cleaning process of the jet cleaner saves extensive time-consuming and costly dismantling, the renewed Assembly of the device and ensures its rapid repeated readiness. In addition, soiling of clean containers with residues of cleaning agents, chemicals disinfectants or similar substances that have become lodged in the lance body and the lance head during a cleaning process is avoided.
  • Another advantage is the second variant of the jet cleaner according to the invention, according to claim 4, which is particularly suitable for use in the low pressure area and in which next to the through holes in the fixed gear body and the outlet slots in the rotary body of the lance head, a through hole is attached to the inner tube, whereby the liquid , according to claim 5, not only on the inner tube to the lance head for cleaning a container can be transported, but at the same time and during this cleaning process in the lance body and the lance head to the self-cleaning can be conducted.
  • no additional components for conventional jet cleaner are needed and a costly disassembly and repeated assembly of the jet cleaner avoided.
  • the time required for a separate self-cleaning process is saved.
  • a second separate liquid circuit which is preferably provided for the high-pressure cleaning of a food tank. It comprises a liquid supply part 1 with a liquid high-pressure connection 1.1, a liquid inlet opening 1.2, and a second separate liquid inlet opening 1.5, which leads in the axial direction angled into the lance body 2, a likewise simplified in the drawing, the liquid spindle 1.3 and arranged on this coupling part 1.4 to Connection with a geared motor.
  • a lance body 2 consists of an inner tube 2.1, which serves as a pressure tube and drive extension and an outer tube 2.2 which serves as a support tube and in which the inner tube 2.1 extends, whereby the two tube walls within the outer tube 2.2 form an annular axially extending cavity 6.
  • an annular rotary body 3.1 On the inner tube 2.1 on the one hand via an annular rotary body 3.1, a largely closed spherical lance head 3 and on the other hand, the liquid spindle 1.3 is arranged, which is stored in the liquid supply part 1 and releasably connected to the coupling part 1.4.
  • a gear body 4 is arranged with a coaxial sprocket and preferably with two axial through holes 4.2, which is fastened with a retaining screw 4.1 radially on the outer tube 2.2, with only the fixed coaxial sprocket of the gear body 4 protrudes from the outer tube 2.2 and on the other hand, the liquid supply part 1 is detachably arranged.
  • the spherical closed lance head 3 is detachably connected via the annular rotary body 3.1 with an axial bore 3.1.1 with the inner tube 2, wherein in the rotation body 3.1, a simplified, coaxially mounted nozzle carrier 3.2 with molded cover 3.2.1, crosswise through openings 3.2.
  • the jet cleaner is removed from the tank.
  • the second embodiment shows a jet cleaner of the above-described basic category, which can be preferably used for low-pressure work.
  • This embodiment includes only one liquid circuit which is why the liquid supply part 1 has only one liquid inlet opening 1.2 and the inner tube 2.1, in addition to the preferably two axial holes 4.2 in the gear body 4 and also preferably two outlet slots 3.1.2 in the rotation body 3.1, provided with a through hole 2.3.
  • the cleaning liquid from the inner tube 2.1 in the annular axial cavity 6 between the inner tube 2.1 and the outer tube 2.2 through the axial openings 4.2 in the gear body 4 in the lance body 3 and from there via the outlet slots 3.1.2 of the rotation body 3.1 also passed into the tank to be cleaned.
  • This design allows the cleaning of a container and at the same time during this process, the cleaning of the jet cleaner itself.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Abstract

The cleaning device has first and second liquid circuits. The second circuit is fed separately in a lance body (2) and a spherical closed lance head (3). The inner lance body and the spherical closed lance head can be cleaned after use or simultaneously during the cleaning of a container without dismantling.

Description

Die Erfindung betrifft einen Zielstrahlreiniger zum Reinigen, Spülen, Desinfizieren und Sterilisieren insbesondere von überwiegend geschlossenen, schwer zugänglichen Behälterinnenräumen mit Hilfe flüssiger Medien.The invention relates to a jet cleaner for cleaning, rinsing, disinfecting and sterilizing in particular predominantly closed, difficult to access container interior spaces with the aid of liquid media.

Es sind eine Vielzahl durch Flüssigkeiten angetriebene Zielstrahlreiniger bekannt, die als Lanzenkörper mit einem Düsenkörper ausgestattet sind und über ein Kupplungsteil mit einem Antriebsmotor verbunden sind. Diese sind durch eine Lanze gekennzeichnet, die aus einem Rohr besteht, in dem axial eine von einem Antrieb angetriebene Antriebsachse geführt wird, an der am Rohrausgang ein Düsenkörper angeordnet ist, der über die Antriebsachse angetrieben wird. Das Lanzenrohr ist zwar verschlossen aber der Düsenkörper nicht. Die Reinigungsflüssigkeit wird über den Rohrinnenraum und ein Rohrverschlußteil in den Düsenkörper und aus diesem über die Düsenöffnungen wieder heraus befördert. Problem dieser Zielstrahlreiniger ist jedoch, daß insbesondere die offenen leicht zugänglichen Düsenkörper beim Reinigungsvorgang von außen und innen von Schmutzpartikeln, die aus dem zu reinigenden Behälter heraus gewaschen werden selbst verschmutzt werden. Wenn auf diese Weise verschmutzte Zielstrahlreiniger für neue Reinigungsarbeiten eingesetzt werden, können Sie die Schmutzpartikel in andere Behälter übertragen. Um das zu vermeiden, müssen sie regelmäßig demontiert und selbst gründlich gereinigt werden. In besonders sensiblen Anwendungsbereichen, wie der Nahrungsmittelindustrie, in der Medizin oder in der Chemieindustrie, ist dies ein zusätzliches arbeits- und kosten aufwendiges Erfordernis. Es sind je nach Anwendungsbereich auch Sprühdüsen bekannt, die so aufgebaut sind, daß der manuelle Reinigungsvorgang erleichtert werden kann, in dem beispielsweise das Ventil durch einen Schraubendreher angehoben werden kann. Eine andere Möglichkeit zum Entfernen von partikelförmigem Material besteht im Einsatz einer selbstreinigenden Düse, wobei eine Erhöhung des Druckmitteldruckes bewirkt, daß sich beispielsweise ein Tellerventil zusammen mit daran befestigten Dichtungseinrichtungen selbst von einem speziellen Gehäuse abhebt, welches die Dosieröffnung freigibt. Dies führt zu einer Änderung der Auslaßabmessungen der Dosieröffnung, damit festsitzende Partikel durch die Fluidströmung entfernt werden können.There are a variety of liquid driven jet cleaner known, which are equipped as a lance body with a nozzle body and are connected via a coupling part with a drive motor. These are characterized by a lance, which consists of a tube in which a drive axle driven by a drive axis is guided axially, at the pipe outlet, a nozzle body is arranged, which is driven via the drive shaft. The lance tube is closed but not the nozzle body. The cleaning liquid is conveyed through the pipe interior and a pipe closure part in the nozzle body and out of this through the nozzle openings back out. Problem of this jet cleaner is, however, that in particular the open easily accessible nozzle body during the cleaning process from the outside and inside of dirt particles that are washed out of the container to be cleaned out themselves be polluted. If soiled jet washers are used for new cleaning jobs, you can transfer the dirt particles to other tanks. To avoid this, they must be dismantled regularly and thoroughly cleaned themselves. In particularly sensitive application areas, such as the food industry, in medicine or in the chemical industry, this is an additional work and cost consuming requirement. Depending on the field of application, spray nozzles are also known which are constructed in such a way that the manual cleaning process can be facilitated in which, for example, the valve can be lifted by a screwdriver. Another possibility for the removal of particulate material is the use of a self-cleaning nozzle, wherein an increase of the pressure medium pressure causes, for example, a poppet valve together with attached sealing means itself stands out from a special housing which releases the metering. This leads to a change in the Outlet dimensions of the metering orifice so that stuck particles can be removed by the fluid flow.

Aus der DE 43 24 731 A1 ist eine selbst reinigende Sprühdüse, der Firma Spraying Systems Co., US, bekannt, die mit einem Standardfitting als Düsenkörper ausgebildet ist. Eine zu einer Einheit montierte Ventilanordnung wird teilweise in den Fitting eingesetzt und an diesem befestigt. Die Ventilanordnung umfaßt einen gesicherten Ventilsatz, der mittels einer Feder derart gegen einen Sprühkopf vorgespannt ist, daß der Ventilsitz mit dem Sprühkopf eine Dichtung bildet. Der Sprühkopf ist so ausgebildet, daß er keine komplette Dichtung mit dem Ventilsitz bildet, wobei ein Spalt in der Dichtung eine Dosieröffnung bildet, aus der das Fluid bei normalem Druckmitteldruck mit einem vorgegebenen Sprühmuster heraus gesprüht wird. Wenn auf den Sprühkopf eine Kraft ausgeübt wird, die ausreicht, um die Federvorspannung zu überwinden, trennt sich der Sprühkopf von dem Ventilsitz, wodurch die, zwischen den beiden Teilen gebildete, Dichtung unterbrochen und ein Spülen der Auslaßeinrichtungen durch das Fluid ermöglicht wird. Die dazu erforderliche Kraft kann von Hand ausgeführt oder durch eine Erhöhung des Druckmitteldrucks erzeugt werden. Diese selbstreinigende Sprühdüse weist eine komplizierte Konstruktion auf, die sich auf die Reinigung des Düsenkörpers beschränkt und nur durch zusätzliche manuelle oder maschinelle Druckeinwirkung funktioniert.From the DE 43 24 731 A1 is a self-cleaning spray nozzle, the company Spraying Systems Co., US, known, which is formed with a standard fitting as a nozzle body. A unitized valve assembly is partially inserted into and secured to the fitting. The valve assembly comprises a secured valve set which is biased by a spring against a spray head such that the valve seat forms a seal with the spray head. The spray head is formed so that it does not form a complete seal with the valve seat, wherein a gap in the seal forms a metering orifice, from which the fluid is sprayed out at normal pressure medium pressure with a predetermined spray pattern. When a force is applied to the spray head sufficient to overcome the spring bias, the spray head separates from the valve seat, thereby interrupting the seal formed between the two parts and permitting fluid flushing of the outlet devices. The required force can be carried out by hand or generated by increasing the pressure medium pressure. This self-cleaning spray nozzle has a complicated construction, which is limited to the cleaning of the nozzle body and works only by additional manual or mechanical pressure.

Die DE 691 21 248 T2 der Firma Toftjejorg, DK, offenbart ein Gerät zum Reinigen geschlossener Räume durch gesprühte Flüssigkeit. Das Gerät umfaßt ein Gehäuse mit einem feststehenden Teil, dem die Flüssigkeit zugeführt wird, und auf dem ein drehbares Teil montiert ist, an dem eine Nabe mit Sprühdüsen in Lagern aufgehängt ist und eine Turbine, die von der Flüssigkeit angetrieben wird sowie ein Planetengetriebe, das in dem feststehenden Teil zum Drehen des drehbaren Teils und der Düsen in einer solchen Weise montiert ist, daß die Flüssigkeit, die während der Drehung durch die Düsen ausgesprüht wird, den gesamten Innenraum der geschlossenen Räume reinigen kann, wobei das feststehende Teil einen gezahnten Rand umfaßt, der im Eingriff ist mit einem gezahnten Rand auf der Nabe, wobei beide Ränder vom Gehäuse umgeben sind. Das Gerät ist dadurch gekennzeichnet, daß sich das Getriebe, die gezahnten Ränder und die Lager zwischen den Teilen in einem Teil des Flüssigkeitsflusses erstrecken und zwar in einer solchen Weise, daß die Flüssigkeit nach Durchfließen des Geräts durch Schlitze nach außen geführt wird, die zwischen dem feststehenden Teil und dem drehbaren Teil und zwischen dem drehbaren Teil und der Nabe gebildet sind. Diese Reinigungsgeräte werden insbesondere zum Reinigen von Tanks in der Nahrungsmittelindustrie, der chemischen und pharmazeutischen Industrie und ähnlichen Bereichen benutzt, wo es auf besonders Sauberkeit solcher Räume ankommt.The DE 691 21 248 T2 Toftjejorg, DK discloses a device for cleaning closed spaces by sprayed liquid. The apparatus comprises a housing having a fixed part to which the liquid is supplied and on which is mounted a rotatable member on which a hub with spray nozzles is suspended in bearings and a turbine driven by the liquid and a planetary gear mechanism is mounted in the fixed part for rotating the rotatable member and the nozzles in such a way that the liquid which is sprayed during rotation through the nozzles, the entire interior of the closed spaces can clean, wherein the fixed part comprises a toothed edge which engages with a serrated edge on the hub, both edges being surrounded by the housing. The apparatus is characterized in that the gear, the toothed edges and the bearings between the parts extend in a part of the fluid flow in such a way that the liquid is passed out through the device through slots outwardly between the fixed part and the rotatable part and between the rotatable part and the hub are formed. These cleaning devices are used in particular for cleaning tanks in the food industry, the chemical and pharmaceutical industry and similar areas, where it is important for particularly cleanliness of such spaces.

Das hier beschriebene Gerät zur Reinigung geschlossener Räume verfügt zwar über eine Selbstreinigung im Düsenkörperbereich, ist jedoch durch einen kompakten, aufwendigen konstruktiven Aufbau gekennzeichnet, mit dem die Reinigung eines Lanzenkörpers nicht realisierbar ist.Although the device described here for cleaning closed rooms has a self-cleaning in the nozzle body area, but is characterized by a compact, complex construction, with which the cleaning of a lance body is not feasible.

Aus der WO 2004/060577 A1 ist auch ein Sprühsystem mit automatischer Düsenreinigungsvorrichtung bekannt. Die aus einem Außenrohr mit einer Anzahl axial angeordneter Sprühdüsen besteht, in dem eine Antriebsachse mit radial angeordneten Bürsten angeordnet ist. In das Außenrohr wird Flüssigkeit geleitet, die zwischen der drehenden Antriebsachse und dem Außenrohr verläuft, wodurch die Innenwand des Außenrohrs und die Düsen durch die drehende Antriebsachse mit den Bürsten und der Flüssigkeit gereinigt werden und die verschmutzte Flüssigkeit über einem Ausfluß ablaufen kann.From the WO 2004/060577 A1 is also a spray system with automatic nozzle cleaning device known. Which consists of an outer tube with a number of axially arranged spray nozzles, in which a drive axle with radially arranged brushes is arranged. In the outer tube liquid is passed, which extends between the rotating drive shaft and the outer tube, whereby the inner wall of the outer tube and the nozzles are cleaned by the rotating drive shaft with the brushes and the liquid and the contaminated liquid can drain over an outflow.

Diese Selbstreinigungsvorrichtung ist im wesentlichen für die Reinigung der Düsen geeignet. Die radiale Bürstenanordnung an der Antriebsachse unterliegt außerdem einem hohen Verschleiß.This self-cleaning device is essentially suitable for cleaning the nozzles. The radial brush assembly on the drive axle is also subject to high wear.

Es war Aufgabe der Erfindung einen Zielstrahlreiniger mit einer einfachen, kostengünstigen, weitestgehend wartungsfreien und verschleißfesten Konstruktion zu schaffen, der unter Hochdruck- und Niederdruckbedingungen arbeiten kann und selbst nach oder während des Reinigungsprozesses innerhalb geschlossener Behälter ohne Demontage zu Reinigen, zu Spülen, zu Desinfizieren und zu Sterilisieren ist und der vielseitig in der Nahrungsmittelindustrie, der Medizin, der chemischen und pharmazeutischen Industrie sowie in anderen Bereichen einsetzbar ist, in denen es aus Sauberkeits- und Sicherheitsgründen auf besondere Sterilität ankommt.It was an object of the invention to provide a jet cleaner with a simple, inexpensive, largely maintenance-free and wear-resistant construction that can operate under high pressure and low pressure conditions and even after or during the cleaning process within a closed container without disassembly to clean, rinse, disinfect and is sterilized and versatile in the food, medical, chemical and pharmaceutical industries, as well as other areas where sterility is important for cleanliness and safety reasons.

Die Aufgabe wird durch einen Zielstrahlreiniger insbesondere zur Reinigung von Behältnissen wie Tanks und dergleichen mit Hilfe flüssiger Medien mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved by a jet cleaner, in particular for cleaning containers such as tanks and the like with the aid of liquid media having the features of claim 1.

Besonders hervorzuheben ist der einfache konstruktive Aufbau des Zielstrahlreinigers, der mit einem zweiten Flüssigkeitskreislauf ausgestattet ist, der separat innerhalb des Lanzenkörpers und des kugelförmig geschlossenen Lanzenkopfes geführt ist, wodurch der innere Lanzenkörper und der kugelförmig geschlossene Lanzenkopf des Zielstrahlreinigers nach seiner Benutzung oder gleichzeitig während der Reinigung eines Behälters ohne Demontage zu reinigen ist.Particularly noteworthy is the simple construction of the Zielstrahlreinigers, which is equipped with a second liquid circuit, which is guided separately within the lance body and the spherical lance head, whereby the inner lance body and the spherical lance head of the shot-blast cleaning after use or simultaneously during cleaning a container without disassembly is to be cleaned.

Der erfindungsgemäße zweite Flüssigkeitskreislauf benötigt keine zusätzlichen Bauteile am bekannten Zielstrahlreiniger. Es wird nur ein Flüssigkeitszuführungsteil, zwei ineinander angeordnete Rohre und ein geschlossener kugelförmiger Düsenkörper benötigt, die gemäß dem Oberbegriff des Anspruchs 1 miteinander verbunden sind und mit einem herkömmlichen Motorgetriebe Flüssigkeit in den Lanzenkörper und den Düsenkörper pumpen.The second fluid circuit according to the invention requires no additional components on the known jet cleaner. It is only a liquid supply member, two nested tubes and a closed spherical nozzle body required, which are interconnected according to the preamble of claim 1 and pump with a conventional motor gear fluid in the lance body and the nozzle body.

Der, für die Reinigung des Zielstrahlreinigers vorgesehene, zweite separate Flüssigkeitskreislauf ist insbesondere für Reinigungsarbeiten im Hochdruckbereich vorgesehen und, gemäß Anspruch 2, durch eine einfache separate Kanalführung über eine zweite Flüssigkeitseintrittsöffnung in dem Flüssigkeitszuführungsteil, einem ringförmigen Hohlraum zwischen der äußeren Rohrwand des Innenrohrs und der inneren Rohrwand des Außenrohrs des Lanzenkörpers, der axialen Öffnungen in dem feststehenden Zahnradkörper und den Auslaufschlitzen im Rotationsgrundkörper gebildet. Die Flüssigkeitsführung erfolgt auf dem, gemäß Anspruch 3, definierten Weg.The, intended for the cleaning of the Zielstrahlreinigers, second separate liquid circuit is provided in particular for cleaning in the high pressure region and, according to claim 2, by a simple separate channel guide via a second liquid inlet opening in the liquid supply member, an annular cavity between the outer tube wall of the inner tube and the inner Pipe wall of the outer tube of the lance body, the axial openings formed in the fixed gear body and the outlet slots in the rotation body. The liquid guide takes place on the, according to claim 3, defined way.

Die erfindungsgemäße Vorrichtungsanordnung hat den großen Vorteil, daß der konstruktive Aufbau des Zielstrahlreinigers durch den weitestgehend geschlossenen Lanzenkörper und den Lanzenkopf, relativ resistent gegen Verschmutzungen ist. Trotzdem auftretende Verschmutzungen des Zielstrahlreinigers, die beispielsweise durch aufsteigende Flüssigkeiten im Behälter oder verspritzte Schmutzpartikel, die sich an dem Gerät ansetzen, können nach Beendigung des Reinigungsprozesses leicht entfernt werden. Dazu muß der Zielstrahlreiniger aus dem gereinigten Behälter entfernt, die Flüssigkeitszufuhr über die herkömmliche Flüssigkeitseintrittsöffnung unterbrochen und der erfindungsgemäße zweite Flüssigkeitskreislauf über die zweite Flüssigkeitseintrittsöffnung an dem Flüssigkeitszuführungsteil geöffnet werden. Dieser Reinigungsvorgang des Zielstrahlreinigers erspart umfangreiche zeit- und kostenaufwendige Demontagen, das erneute Zusammenfügen des Gerätes und gewährleistet dessen schnelle wiederholte Einsatzbereitschaft. Außerdem werden Verschmutzungen von sauberen Behältern mit Resten von Reinigungsmitteln, Chemikalien Desinfektionsmitteln oder ähnlichen Substanzen, die sich während eines Reinigungsprozesses in dem Lanzenkörper und dem Lanzenkopf festgesetzt haben, vermieden.The device arrangement according to the invention has the great advantage that the structural design of the target jet cleaner by the largely closed lance body and the lance head, is relatively resistant to contamination. Nevertheless occurring contamination of the jet cleaner, for example, by rising liquids in the container or splashed dirt particles that attach to the device can be easily removed after completion of the cleaning process. For this purpose, the target jet cleaner must be removed from the cleaned container, the liquid supply interrupted via the conventional liquid inlet opening and the second liquid circuit according to the invention via the second liquid inlet opening to the liquid supply part to be opened. This cleaning process of the jet cleaner saves extensive time-consuming and costly dismantling, the renewed Assembly of the device and ensures its rapid repeated readiness. In addition, soiling of clean containers with residues of cleaning agents, chemicals disinfectants or similar substances that have become lodged in the lance body and the lance head during a cleaning process is avoided.

Von weiterem Vorteil ist die zweite Variante des erfindungsgemäßen Zielstrahlreinigers, gemäß Anspruch 4, die insbesondere für die Nutzung im Niederdruckbereich geeignet ist und in der neben den Durchgangsöffnungen im feststehenden Zahnradkörper und den Auslaufschlitzen im Rotationskörper des Lanzenkopfes eine Durchgangsbohrung am Innenrohr angebracht ist, wodurch die Flüssigkeit, gemäß Anspruch 5, nicht nur über das Innenrohr zum Lanzenkopf zur Reinigung eines Behälters transportiert werden kann, sondern gleichzeitig und während dieses Reinigungsvorganges auch in den Lanzenkörper und den Lanzenkopf zu deren Selbstreinigung leitbar ist. Auch bei dieser Variante werden keine zusätzlichen Bauteile zum herkömmlichen Zielstrahlreiniger benötigt und eine aufwendige Demontage sowie ein wiederholtes Zusammenfügen des Zielstrahlreinigers vermieden. Außerdem wird der Zeitaufwand für einen separaten Selbstreinigungsvorgang eingespart.Another advantage is the second variant of the jet cleaner according to the invention, according to claim 4, which is particularly suitable for use in the low pressure area and in which next to the through holes in the fixed gear body and the outlet slots in the rotary body of the lance head, a through hole is attached to the inner tube, whereby the liquid , according to claim 5, not only on the inner tube to the lance head for cleaning a container can be transported, but at the same time and during this cleaning process in the lance body and the lance head to the self-cleaning can be conducted. In this variant, no additional components for conventional jet cleaner are needed and a costly disassembly and repeated assembly of the jet cleaner avoided. In addition, the time required for a separate self-cleaning process is saved.

Schließlich erhöht die Einsatzmöglichkeit des erfindungemäßen Zielstrahlreinigers bei Hoch- und Niederdruckarbeiten, die, Kundenwünschen entsprechend, angepaßt werden kann, seine Flexibilität und einfache Handhabung und gewährleistet ein hohes Sicherheitspotential hinsichtlich ungewollter Verunreinigungen.Finally, the possible use of erfindungemäßen jet cleaner in high and low pressure work, which, according to customer requirements, can be adjusted, its flexibility and ease of use and ensures a high security potential in terms of unwanted contamination.

Die Erfindung soll nachstehend anhand zweier Ausführungsbeispiele näher beschrieben werden. Die Zeichnungen zeigen dabei in

Fig.1
einen axialen Schnitt durch den erfindungsgemäßen Zielstrahlreiniger mit separatem Flüssigkeitskreislauf und
Fig.2
einen axialen Schnitt durch den erfindungsgemäßen Zielstrahlreiniger mit einem Flüssigkeitskreislauf, der sich während des Reinigungsprozesses in einem Behälter selbst reinigt.
The invention will be described below with reference to two embodiments. The drawings show in
Fig.1
an axial section through the jet cleaner according to the invention with a separate liquid circuit and
Fig.2
an axial section through the target jet cleaner according to the invention with a liquid circuit that cleans itself during the cleaning process in a container.

Im Ausführungsbeispiel, gemäß Fig.1, ist eine, der besseren Übersichtlichkeit halber, vereinfachte Schnittdarstellung durch den erfindungsgemäßen Zielstrahlreiniger zu sehen, der über einen zweiten separaten Flüssigkeitskreislauf verfügt der vorzugsweise für die Hochdruckreinigung eines Nahrungsmitteltanks vorgesehen ist. Er umfaßt ein Flüssigkeitszuführungsteil 1 mit einem Flüssigkeitshochdruckanschluß 1.1, einer Flüssigkeitseintrittsöffnung 1.2, und eine zweite separate Flüssigkeitseintrittsöffnung 1.5, die in axialer Richtung abgewinkelt in den Lanzenkörper 2 führt, eine in der Zeichnung ebenfalls vereinfacht dargestellte, Flüssigkeitsspindel 1.3 und ein an dieser angeordnetes Kupplungsteil 1.4 zur Verbindung mit einem Getriebemotor. Ein Lanzenkörper 2 besteht aus einem Innenrohr 2.1, das als Druckrohr und Antriebsverlängerung dient und aus einem Außenrohr 2.2 welches als Stützrohr dient und in dem das Innenrohr 2.1 verläuft, wodurch die beiden Rohrwände innerhalb des Außenrohrs 2.2 einen ringförmigen axial verlaufenden Hohlraum 6 bilden. An dem Innenrohr 2.1 ist einerseits über einen ringförmigen Rotationsgrundkörper 3.1, ein weitestgehend geschlossener kugelförmiger Lanzenkopf 3 und andererseits die Flüssigkeitsspindel 1.3 angeordnet, die in dem Flüssigkeitszuführungsteil 1 lagert und mit dem Kupplungsteil 1.4 lösbar verbunden ist. An dem Außenrohr 2.2 ist einerseits ein Zahnradkörper 4 mit einem koaxial angeordneten Zahnkranz und mit vorzugsweise zwei axialen Durchgangsbohrungen 4.2 angeordnet, der mit einer Halteschraube 4.1 radial am Außenrohr 2.2 befestigt ist, wobei nur der feststehende koaxial verlaufende Zahnkranz des Zahnradkörpers 4 aus dem Außenrohr 2.2 herausragt und andererseits das Flüssigkeitszuführungsteil 1 lösbar angeordnet. Der kugelförmige geschlossene Lanzenkopf 3 ist über den ringförmigen Rotationsgrundkörper 3.1 mit einer axialen Bohrung 3.1.1 mit dem Innenrohr 2 lösbar verbunden, wobei in dem Rotationsgrundkörper 3.1 ein, vereinfacht dargestellter, koaxial gelagerter Düsenträger 3.2 mit angeformter Abdeckung 3.2.1, kreuzweisen Durchgangsöffnungen 3.2.2 und Austrittsöffnungen 3.2.3, ein auf dem Düsenträger 3.2 sitzendes, in axialer Richtung rotierendes Zahnrad 3.3 und eine Zahnradabdeckung 3.4, die mit einer Verschlußschraube 5 über den Düsenträger 3.2 miteinander verbunden sind. Dabei greift das axial rotierende Zahnrad 3.3 in den koaxial verlaufenden Zahnkranz des feststehenden Zahnradkörpers 4 im Außenrohr 2.2 ein und das Außenrohr 2.2 verschließt den Zahnkranz des Zahnradkörpers 4 und den Eingang in den Lanzenkopf 3. Beim Reinigungsvorgang des Tanks wird die Reinigungsflüssigkeit von dem Flüssigkeitszuführungsteil 1 über die Flüssigkeitseintrittsöffnung 1.2 zur Flüssigkeitsspindel 1.3 in das Innenrohr 2.1 mit Hochdruck über den feststehenden Zahnradkörper 4 und die axiale Bohrung 3.1.1 im Rotationsgrundkörper 3.1 in den Lanzenkopf 3 und über den Düsenträger 3.2 zu den Austrittsöffnungen 3.2.2 in den zu bearbeitenden Tank geführt. Nach Abschluß der Tankreinigung wird der Zielstrahlreiniger aus dem Tank entfernt. Die Flüssigkeitszufuhr zur Flüssigkeitseintrittsöffnung 1.2 unterbrochen und die zweite Flüssigkeitseintrittsöffnung 1.5 geöffnet. Die zur Reinigung des Zielstrahlreinigers vorgesehene Flüssigkeit wird jetzt in den erfindungsgemäßen zweiten Flüssigkeitskreislauf durch die in axialer Richtung abgewinkelte Flüssigkeitseintrittsöffnung 1.5 in den axial verlaufenden Hohlraum 6 zwischen dem Innenrohr 2.1 und dem Außenrohr 2.2 geleitet von dort über die axialen Öffnungen 4.2 im Zahnradkörper 4 und die Zwischenräume des Zahnkranzes in den Innenraum des Lanzenkopfes 3 gedrückt und aus vorzugsweise zwei Auslaufschlitzen 3.1.2 im ringförmigen Rotationsgrundkörper 3.1 des Lanzenkopfes 3 heraus geleitet.In the embodiment, according to Fig.1 , One is, for better clarity, to see simplified sectional view through the jet cleaner according to the invention, which has a second separate liquid circuit which is preferably provided for the high-pressure cleaning of a food tank. It comprises a liquid supply part 1 with a liquid high-pressure connection 1.1, a liquid inlet opening 1.2, and a second separate liquid inlet opening 1.5, which leads in the axial direction angled into the lance body 2, a likewise simplified in the drawing, the liquid spindle 1.3 and arranged on this coupling part 1.4 to Connection with a geared motor. A lance body 2 consists of an inner tube 2.1, which serves as a pressure tube and drive extension and an outer tube 2.2 which serves as a support tube and in which the inner tube 2.1 extends, whereby the two tube walls within the outer tube 2.2 form an annular axially extending cavity 6. On the inner tube 2.1 on the one hand via an annular rotary body 3.1, a largely closed spherical lance head 3 and on the other hand, the liquid spindle 1.3 is arranged, which is stored in the liquid supply part 1 and releasably connected to the coupling part 1.4. On the outer tube 2.2 on the one hand a gear body 4 is arranged with a coaxial sprocket and preferably with two axial through holes 4.2, which is fastened with a retaining screw 4.1 radially on the outer tube 2.2, with only the fixed coaxial sprocket of the gear body 4 protrudes from the outer tube 2.2 and on the other hand, the liquid supply part 1 is detachably arranged. The spherical closed lance head 3 is detachably connected via the annular rotary body 3.1 with an axial bore 3.1.1 with the inner tube 2, wherein in the rotation body 3.1, a simplified, coaxially mounted nozzle carrier 3.2 with molded cover 3.2.1, crosswise through openings 3.2. 2 and outlet openings 3.2.3, a seated on the nozzle carrier 3.2, rotating in the axial direction gear 3.3 and a gear cover 3.4, which are connected to one another with a screw plug 5 via the nozzle carrier 3.2. Here, the axially rotating gear engages 3.3 in the coaxial sprocket of the fixed gear body 4 in the outer tube 2.2 and the outer tube 2.2 closes the sprocket of the gear body 4 and the entrance to the lance head 3. During the cleaning process of the tank, the cleaning liquid from the liquid supply part 1 on the Liquid inlet opening 1.2 to the liquid spindle 1.3 in the inner tube 2.1 at high pressure on the fixed gear body 4 and the axial bore 3.1.1 in the rotation body 3.1 in the lance head 3 and guided over the nozzle holder 3.2 to the outlet openings 3.2.2 in the tank to be processed. After completion of the tank cleaning, the jet cleaner is removed from the tank. The liquid supply to the liquid inlet opening 1.2 interrupted and the second liquid inlet opening 1.5 is opened. The intended for cleaning the Zielstrahlreinigers liquid is now in the second fluid circuit according to the invention through the angled in the axial direction liquid inlet opening 1.5 in the axially extending cavity 6 between the inner tube 2.1 and the outer tube 2.2 from there via the axial openings 4.2 in the gear body 4 and the spaces of the ring gear is pressed into the interior of the lance head 3 and out of preferably two outlet slots 3.1.2 in the annular rotation body 3.1 of the lance head 3 out.

Das zweite Ausführungsbeispiel, gemäß Fig.2, zeigt einen Zielstrahlreiniger der voran beschriebenen Grundkategorie, die vorzugsweise für Niederdruckarbeiten eingesetzt werden kann. Diese Ausführungsform beinhaltet nur einen Flüssigkeitskreislauf weshalb das Flüssigkeitszuführungsteil 1 nur eine Flüssigkeitseintrittsöffnung 1.2 aufweist und das Innenrohr 2.1, neben den vorzugsweise zwei axialen Bohrungen 4.2 im Zahnradkörper 4 und den ebenfalls vorzugsweise zwei Auslaufschlitzen 3.1.2 im Rotationsgrundkörper 3.1, mit einer Durchgangsbohrung 2.3 versehen ist. Bei dieser Ausführungsform wird die Reinigungsflüssigkeit über die Flüssigkeitseintrittsöffnung 1.2 des Flüssigkeitszuführungsteils 1 in das Innenrohr 2.1 und über den Zahnradkörper 4 in die axiale Bohrung 3.1.1 im Rodationsgrundkörper 3.1 in den Lanzenkopf 3 und von dort über die kreuzweise angeordneten Durchgangsöffnungen 3.2.2 in die Austrittsöffnungen 3.2.3 des Düsenkörpers 3.2 aus dem Lanzenkopf 3 zur Reinigung in den zu reinigenden Tank geleitet. Gleichzeitig und während dieses Reinigungsvorganges wird die Reinigungsflüssigkeit aus dem Innenrohr 2.1 in den ringförmigen axialen Hohlraum 6 zwischen dem Innenrohr 2.1 und dem Außenrohr 2.2 durch die axialen Öffnungen 4.2 im Zahnradkörper 4 in den Lanzenkörper 3 und von dort über die Auslaufschlitze 3.1.2 des Rotationsgrundkörpers 3.1 ebenfalls in den zu reinigenden Tank geleitet. Diese Ausführung gestattet die Reinigung eines Behälters und gleichzeitig während dieses Vorganges die Reinigung des Zielstrahlreinigers selbst.The second embodiment, according to Fig.2 shows a jet cleaner of the above-described basic category, which can be preferably used for low-pressure work. This embodiment includes only one liquid circuit which is why the liquid supply part 1 has only one liquid inlet opening 1.2 and the inner tube 2.1, in addition to the preferably two axial holes 4.2 in the gear body 4 and also preferably two outlet slots 3.1.2 in the rotation body 3.1, provided with a through hole 2.3. In this embodiment, the cleaning liquid through the liquid inlet opening 1.2 of the liquid supply part 1 in the inner tube 2.1 and the gear body 4 in the axial bore 3.1.1 in Rodationsgrundkörper 3.1 in the lance head 3 and from there via the crosswise arranged passage openings 3.2.2 in the outlet openings 3.2.3 of the nozzle body 3.2 led from the lance head 3 for cleaning in the tank to be cleaned. At the same time and during this cleaning process, the cleaning liquid from the inner tube 2.1 in the annular axial cavity 6 between the inner tube 2.1 and the outer tube 2.2 through the axial openings 4.2 in the gear body 4 in the lance body 3 and from there via the outlet slots 3.1.2 of the rotation body 3.1 also passed into the tank to be cleaned. This design allows the cleaning of a container and at the same time during this process, the cleaning of the jet cleaner itself.

Aufstellung der verwendeten BezugszeichenList of used reference numbers

11
Flüssigkeitszuführungsteil,Liquid supply part,
1.11.1
Flüssigkeitshochdruckanschluß,Liquid high-pressure connection,
1.21.2
Flüssigkeitseintrittsöffnung,Liquid inlet opening,
1.31.3
Flüssigkeitsspindel,Fluid taper,
1.41.4
Kupplungsteil,Coupling part,
1.51.5
zweite Flüssigkeitseintrittsöffnung,second liquid inlet opening,
22
Lanzenkörper,Lance body,
2.12.1
Innenrohr,Inner tube,
2.22.2
Außenrohrouter tube
2.32.3
Durchgangsbohrung im Innenrohr,Through hole in the inner tube,
33
Lanzenkopf,Lance head,
3.13.1
Rotationsgrundkörper,Rotating body,
3.1.13.1.1
axiale Bohrung,axial bore,
3.1.23.1.2
Auslaufschlitze,Outlet slots
3.23.2
Düsenkörper,Nozzle body,
3.2.13.2.1
Abdeckung,Cover,
3.2.23.2.2
gekreuzte Durchgangsöffnungen,crossed through openings,
3.2.33.2.3
Austrittsöffnungen,Outlet openings
3.33.3
axial rotierendes Zahnrad,axially rotating gear,
3.43.4
Zahnradabdeckung,Gear cover,
4.4th
Zahnradkörper,Gear body,
4.14.1
Halteschraube,Retaining screw,
4.24.2
axiale Öffnungen,axial openings,
5.5th
Verschlußschraube,Screw,
6.6th
ringförmiger Hohlraumannular cavity

Claims (5)

  1. Jet cleaner, essentially featuring a liquid supply unit (1) with a liquid high-pressure connection (1.1), a liquid entrance opening (1.2), a liquid spindle (1.3) and, arranged on this, a coupling unit (1.4) for connection to a gear motor, a lance body (2) with an inner tube (2.1) as a pressure tube and drive extension, and an outer tube (2.2) as a support tube, whereby one side of the inner tube (2.1) features a spherical lance head (3) as a closed nozzle body and the other side accommodates the liquid spindle (1.3), while on one frontal side of the outer tube (2.2), a coaxially arranged stationary gear body (4) is attached to the outer tube (2.2) via a retaining screw (4.1), and on the other side the liquid supply unit (1) is detachably arranged, and the spherical closed lance head (3) is detachably connected to the inner tube (2) via a circular rotating base body (3.1) with an axial borehole (3.1.1), while in the rotating base body (3.1) are arranged a coaxially situated nozzle carrier (3.2) with an integrally formed covering (3.2.1), crosswise oriented through openings (3.2.2) and exit openings (3.2.3), an axially rotating gear (3.3) and a gear cover (3.4), which are connected together via a locking screw (5), whereby the axially rotating gear (3.3) engages with the stationary gear body (4) of the outer tube (2.2), the outer tube (2.2) seals the gear body (4) and the entrance into the lance head (3), and the liquid from the liquid supply unit (1) is routed into the inner tube (2.1) via the liquid spindle (1.3), into the lance head (3) with high pressure via the stationary gear body (4), and to the exit openings (3.2.2) and into the receptacle to be processed via the nozzle carrier (3.2), characterized in that
    the jet cleaner is equipped with a second liquid circuit that is routed separately within the lance body (2) and the spherical closed lance head (3), whereby the inner lance body (2) and the spherical closed lance head (3) of the jet cleaner can be cleaned following its use or simultaneously during the cleaning of a receptacle without the need for disassembly.
  2. Jet cleaner according to claim 1, characterized in that the second separate liquid circuit consists of a second axially angled liquid entrance opening (1.5) in the liquid supply unit (1), an axial circular cavity (6) between the outer wall of the inner tube (2.1) and the inner wall of the outer tube (2.2) of the lance body (2), at least one axial opening (4.2) in the stationary gear body (4) and at least one outlet slit (3.1.2) in the rotating base body (3.1).
  3. Jet cleaner according to claim 1, characterized in that the liquid from the second liquid entrance opening (1.5) of the liquid supply unit (1) is to be routed into the circular cavity (6) between the outer wall of the inner tube (2.1) and the inner wall of the outer tube (2.2) of the lance body (2) via the axial opening (4.2) in the stationary gear body (4), and into the spherical lance head (3) and out of the jet cleaner through at least one outlet slit (3.1.1) arranged in the rotating base body (3.1).
  4. Jet cleaner according to claim 2, characterized in that a second version of the jet cleaner features a liquid circuit consisting of the usual liquid supply unit (1) with the liquid high-pressure connection (1.1), the liquid entrance opening (1.2) and the liquid spindle (1.3), a through-hole (2.3) in the wall of the inner tube (2.1), the axial opening (4.2) in the stationary gear body (4), and the outlets slits (3.1.1) in the rotating base body (3.1), whereby the interior of the lance body (2) and the spherical closed lance head (3) of the jet cleaner are to be cleaned simultaneously during the cleaning of a receptacle.
  5. Jet cleaner according to claim 4, characterized in that the liquid from the liquid entrance opening (1.2) of the liquid supply unit (1) is to be transported into the inner tube (2.1) via the through-hole (2.3) in the wall of the inner tube (2.1) and into the circular cavity (6) between the outer wall of the inner tube (2.1) and the inner wall of the outer tube (2.2) of the lance body (2) via the axial opening (4.2) in the stationary gear body (4) and into the spherical lance head (3), and then is to be routed via the nozzle carrier (3.2) to the exit openings (3.2.2) of the nozzle carrier (3.2), and out of the jet cleaner via the outlet slits (3.1.1) arranged in the rotating base body (3.1).
EP09006256A 2008-05-08 2009-05-08 Shot blaster Active EP2138243B1 (en)

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DE202008006364U DE202008006364U1 (en) 2008-05-08 2008-05-08 Jet cleaner

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DE102011105716A1 (en) * 2011-06-23 2012-12-27 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Cooking device with a crucible and method for cleaning the crucible
EP2747606B2 (en) * 2011-10-18 2023-03-15 MKN Maschinenfabrik Kurt Neubauer GmbH & Co. KG Method for cleaning a pan and cooking appliance with a pan and a cleaning device

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DK171410B1 (en) 1990-09-20 1996-10-21 Toftejorg As Closed room cleaning device
US5215254A (en) 1992-07-23 1993-06-01 Spraying Systems Co. Self cleaning spring-loaded nozzle
WO2004060577A1 (en) 2002-12-16 2004-07-22 Spraying Systems Co. Spraying system with automated nozzle cleaning device

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