EP1270096A2 - Dispositif de nettoyage d'une cavité - Google Patents

Dispositif de nettoyage d'une cavité Download PDF

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Publication number
EP1270096A2
EP1270096A2 EP02008350A EP02008350A EP1270096A2 EP 1270096 A2 EP1270096 A2 EP 1270096A2 EP 02008350 A EP02008350 A EP 02008350A EP 02008350 A EP02008350 A EP 02008350A EP 1270096 A2 EP1270096 A2 EP 1270096A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaning device
cleaned
cavity
cleaner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02008350A
Other languages
German (de)
English (en)
Other versions
EP1270096A3 (fr
Inventor
Udo Baumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Professional GmbH
Original Assignee
Electrolux Professional GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Professional GmbH filed Critical Electrolux Professional GmbH
Publication of EP1270096A2 publication Critical patent/EP1270096A2/fr
Publication of EP1270096A3 publication Critical patent/EP1270096A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/005—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid

Definitions

  • the invention relates to a cleaning device for cleaning of a cavity. Cavities that require intensive cleaning, are particularly in commercial kitchens. In such Commercial kitchens you will find a lot of equipment, such as Large frying appliances, combi ovens and roasting ovens caused by the frying process have high levels of contamination, which are not are easy to clean. Soiling, albeit lighter Kind, are also internal storage spaces, such as interiors of refrigerators and freezers and normal storage cabinets, exposed.
  • Hygiene aspects are becoming increasingly important in commercial kitchens and bakeries Play a role and are controlled more and more restrictively, are also in this regard to the kitchen or cleaning staff special requirements. Just cleaning Large roasters require the most intensive of cleaning staff Commitment. The burned-in contaminants are only medium Chemicals, water rinsing and manual cleaning through high cleanse physical exertion. The chemicals that do this used are very aggressive, so the cleaning staff secure by wearing special protective clothing got to.
  • the invention has for its object a cleaning device for cleaning a cavity and a method for Operate such to indicate a constantly recurring Cleaning of a plurality of cavities on particular easy to do particularly cheap is.
  • a cleaning device for cleaning a cavity wherein in particular to an interior of equipment in a commercial kitchen installation is thought, first means to only temporarily Use of the cleaning device in the cavity and second Means for independently running a cleaning program in the inserted state.
  • Such a cleaning device can be used flexibly and enables serial cleaning of cavities by first cleaning them in each Cavity and used to run a cleaning program is put into operation. When the cleaning program is finished, can the cleaning device again from the Cavity are removed, leaving the cavity subsequently can be used again appropriately.
  • the first and second means are preferably in a structural unit, in particular one that can be operated alone Cleaning machine, comprising, this unit in the to cleaning cavity can be used for the cleaning process and out of the cavity after the cleaning process is removable.
  • the cleaning device preferably has contact surfaces on which with receptacles in the cavity to be cleaned can be associated.
  • contact surfaces on which with receptacles in the cavity to be cleaned can be associated.
  • Roasting ovens are meant here, slide-in rails that are in the regular Operation of the oven to hold roasting or baking trays or the like.
  • These contact surfaces can vary Cavity dimensions can be adjusted accordingly be, that is, the support surfaces are particularly extendable designed.
  • the cleaning device is only in one Field of application used in which a standard for cavity dimensions exists, and this standard encompasses several standard dimensions for cavities, it makes sense that the Cleaning device corresponding to each of these standard dimensions includes separate contact surfaces or the contact surfaces be used in any other way. This can be done, for example, by arranging support surfaces done in two different levels.
  • a support option another support option by rotating the cleaning device about a quarter turn, which in particular means that the cleaning device is essentially one rectangular projection in terms of their contact surfaces.
  • the cleaning device is conveniently constructed by Providing an inner and an outer unit, the outer Unity covers the inner unity and thus from external influences protects.
  • the internal unity includes at least a module for operating the cleaning device, the one Protection against environmental influences, especially against chemicals fortified liquids.
  • a special design the inner unity sees an upper and a lower functional part before, the upper functional part at least a tank for holding a liquid and the lower one Functional part includes devices for performing the cleaning process.
  • This arrangement of the tank above and below lying equipment has the particular advantage that if the tank contents have to be supplied to the equipment, especially a pump, the gravity of the tank contents can be exploited. Thus it can be used as a means of transport a non-self-priming pump for the tank contents as an economical one Alternative can be used.
  • the use of a cleaning additive is necessary an appropriate tank to hold this cleaning additive appropriate.
  • the cavity should not only be cleaned but also have a clear surface after cleaning, should be both a detergent tank as well as a Rinse aid tank included.
  • the cleaning device can be used for the supply for the cleaning process required fresh water with connection means for be equipped with an inlet hose. But should also be closed Cavities are cleaned, it is convenient to the Cleaning device also to hold a water tank Arrange fresh water. This water tank must then of course before each cleaning process, if appropriate, with the appropriate size only before every second or third cleaning process, be filled with fresh water.
  • the object to be cleaned can but also a water connection and a supply line own in its cavity to be cleaned. In this Case includes a coupling to the cleaning device.
  • One of the slide rails can be part of the equipment internal water supply line of the object to be cleaned be, this rail equipped with the coupling can be. The corresponding mating coupling is then on the Cleaning device on the associated with the slide rail Support area provided.
  • the power supply can also be dimensioned accordingly Mains connection cable must be ensured.
  • a rechargeable as a power supply Accumulator provided outside of the operating hours of the Cleaning device can be connected to a charging coupling.
  • Such an accumulator not only has the advantage that the Cleaning device can also be put into operation if there is no network connection nearby, also delivers such an accumulator only has a voltage in the range of Safety extra-low voltage, so that no special security measures necessary to avoid danger for the operating personnel are.
  • At least one particular embodiment of the invention provides one essentially upward and one essentially downward spray nozzle so that a Introducing liquid into the upper part of the cavity and in the lower part of the cavity is possible.
  • the at least one upward spray nozzle and the downward spray nozzle or directed Spray nozzles are either common, alternating or each can only be activated. A joint operation of the Spray nozzles allow for faster cleaning during a alternating operation due to the lower liquid transport allows to use weaker transport units.
  • a spray nozzle is used, both for a cleaning additive and is suitable for water.
  • the respective liquid can then when using suitable reversing means by one and the same Means of transport, that is, by the same pump, the spray nozzle can be supplied, or via separate means of transport feature. Also considered a means of transport for fresh water the water pipe pressure
  • Spray nozzles have been implemented. However, preference is only given to one upward and one downward spray nozzle, optionally used with several spray openings, which are rotatable in such a way that each of these two spray nozzles every single point of the upper or lower half space with regard to the respective limiting inner surfaces can operate.
  • the cleaning device a control signal to the control device of the to be cleaned Object, again via the information transmission means, sends, whereby the control device of the to be cleaned Object is caused to operate the heating device so that the surface to be cleaned is preheated.
  • the cleaning process is facilitated by this heat and cleaning additives can be used that effective only at elevated temperatures, but less aggressive are.
  • heating the cleaning surfaces can also be the cleaning liquid be preheated, by providing an appropriate Heating device on the cleaning device should be possible can.
  • the object underlying the invention is further achieved by a method for operating the aforementioned cleaning device solved, with a cleaning program at least the cleaning cycles "Cleaner distribution phase", “Cleaner reaction phase” and “water distribution phase”.
  • the “cleaner distribution phase” has the task of applying the cleaner to the surface to be cleaned applied. Reacts during the “cleaner reaction phase” the cleaner with those adhering to the surface to be cleaned Parts of dirt so that this contamination is loosened and their intensive adhesive bond to the surface to be cleaned is broken up.
  • the "water distribution phase” is fresh water under a not too low spray pressure on the one to be cleaned Sprayed surface so that the dirt and also the Possibly too much applied cleaner from the one to be cleaned Surface is removed. Then you can do a rinse cycle be provided in which with the aid of a rinse aid the surface tension of the cleaning liquid like this is reduced that this on the surfaces to be cleaned runs off completely and no water stains remain.
  • the individual Parameters of this cleaning program in particular the duration of the Cleaning cycle, spray pressure to be set and preheating the surface to be cleaned or rinsing liquid, not to be preset, but to make it dependent on the state of pollution.
  • the individual parameters can be influenced further also depend on which operating programs the object to be cleaned is processed before the cleaning process Has.
  • the Cleaning device other means of transport for liquids include, through which the dirty at the end of the cleaning process Cleaning liquid can be transported into the water tank is. Closed, cleaned cavities can thus largely be freed of the dirty cleaning liquid.
  • means of transport for the cleaning device itself for example a chassis with wheels, is conceivable so that a portable use in operation is possible.
  • a cleaning device constructed in this way can be used for cleaning Serve sewer pipes.
  • the cleaning device shown in the figures is flexible in Commercial kitchen appliances, such as baking ovens, combi ovens, convection ovens, Refrigerators, freezers and other cabinet units insertable. For this purpose it is in a first approximation spherical construction shown in vertical projection however with square outer edges.
  • the cleaning device points on two opposite sides each a handle 11, these handles 11 not only are suitable for transporting the device, but also beyond serve as support rods, which are to be cleaned in the slide rails Cavity, especially a roasting oven, insertable are.
  • These handles 11 are designed so that together with these results in a rectangular outer shape and thus one insert of the cleaning device in two perpendicular to each other standing directions is possible.
  • the handles are the norm for bakeries adjustable: 600 x 400 mm.
  • the device itself be rotatably arranged.
  • the cleaning device is divided into two sections, namely into an outer section and an inner section.
  • the outer section essentially comprises a protective cover 1, 3 corresponding to Figure 2.
  • This protective cover 1, 3 has a upper cover 1 and a lower cover 3, which have an essentially identical design and only to one another are arranged mirror-symmetrically.
  • Each of these covers 1, 3 is laterally bordered by four side walls 5, which uniform, d. H. Axially symmetrical, trapezoidal are.
  • the assembly of these four side walls 5 thus results an even truncated pyramid with a square Base area and a square top surface, the latter the upper cover wall 7 (or lower cover wall 9 in the case of lower cover) forms.
  • the protective cover 1, 3 has two Functions, namely a design function, but also a protective function for the inner section. Protection against the following working environment can be created: a maximum temperature of approx. 90 ° C, a high humidity of 100% r. F., aggressive chemical substances in cleaning agents.
  • this protective cover 1, 3 consists of a temperature-resistant Plastic with extremely high chemical resistance.
  • the protective cover 1, 3 encloses the inner section of the cleaning device complete, only in the centers of the top and lower cover walls 7, 9 holes are provided, which serve for the passage of two cleaning nozzles 13, 15, wherein these nozzles 13, 15 are sealed against the bores.
  • the inner section of the cleaning device includes all for the Operation required components. This is the inner section divided into two functional parts: an upper functional part for holding two detergent tanks 17, 19, which is approximately within that covered by the upper cover 1 Room is localized, and a lower functional part for the inclusion of other facilities and equipment, this lower functional part in the essentially of the lower Cover 3 protected space is arranged.
  • an upper functional part for holding two detergent tanks 17, 19, which is approximately within that covered by the upper cover 1 Room is localized
  • a lower functional part for the inclusion of other facilities and equipment, this lower functional part in the essentially of the lower Cover 3 protected space is arranged.
  • a pump 21 in the lower functional part which the cleaner stored in the detergent tank 17 and the Rinse aid tank 19 stored rinse aid according to the Specifications of an operating program using pipes 23 den Spray nozzles 13, 15 supplies.
  • This particular arrangement of the above lying tanks 17, 19 and the pump 21 arranged underneath offers the advantage that detergent and rinse aid Gravity feed the pump, making it costly self-priming pump can be dispensed with.
  • valves 25, 27 are provided which is the access of cleaning fluid from the cleaning tank 17 to pump 21 (valve 25) and rinse aid from the rinse aid tank Release or block 19 to pump 21 (valve 27).
  • Valve 27 Of the Pump 21 goes off another pipe 23, which in one another valve 29 opens.
  • This valve 29 has an inlet and two exits, the latter each with a spray nozzle 13, 15 are connected.
  • Another valve 31 also two outputs, which are connected to the nozzles 13, 15 are, has a water connection on the input side for coupling to a water supply system using a hose on.
  • the lower functional part also includes one rechargeable 12 or optionally 24 VDC accumulator and an electronic program control, which from the box 33 are included.
  • FIG. 7 shows an individual illustration of the spray nozzles 13, 15.
  • These spray nozzles 13, 15 comprise an upper nozzle body 35 and a lower nozzle body 37.
  • the upper nozzle body 35 is mounted rotationally symmetrically with respect to the lower nozzle body 37, so that when the lower nozzle body 37 is rigidly installed the upper nozzle body 35 rotates during operation.
  • upper nozzle body 35 has an upwardly directed nozzle slot 39 and a nozzle slot 41 directed to the side on.
  • the bore in the nozzle slot 41 is arranged so that the escaping liquid is not only discharged radially but has a tangential component. This tangential component causes the drive of the upper nozzle body 35.
  • the nozzle slots 39, 41 are designed such that a spherical spray area of 240 ° with one revolution of the upper nozzle body 35 is covered. In this way can be cleaned with the two spray nozzles 13, 15 Cavity to be sprayed.
  • the cleaning device described above in the construction is before the start of operation in the cavity to be cleaned, for example inserted into a roasting oven of a commercial kitchen. For this his handles 11 in slide rails of the oven with the insert orientation as described above depend on the dimensions of the oven.
  • the present Cleaning device comes with a water supply hose connected or is standard with a water connection equipped, which engages in a water valve built into the device becomes. For this, as already described, on the water inlet valve 31 a corresponding connection piece is provided.
  • the cleaning program that is running comprises several cleaning cycles. These cleaning cycles are delayed manually Selector switch selected, e.g. B. Cleaning level 1 (slightly dirty) up to level 4 (very dirty). The time delay enables the cavity to be closed before cleaning begins.
  • a preheating phase can be carried out are at the beginning of the operating program.
  • the cleaning device can be a not shown Have transmission device, which to a control device of the roasting oven via a receiving device included therein Outputs signal to switch on the heating device of the roasting oven. After a predefined time, a new one Signal the preheating phase leading to an ambient temperature of approx. 45 ° C, ended.
  • Valves 25 and 29 opened and the pump 21 briefly in operation set until sufficient cleaning fluid through the Nozzles 13, 15 has been discharged.
  • Valve 29 opens the Outputs to the nozzles 13, 15 in series, so that the cleaner first a spray nozzle, in particular the upper spray nozzle 13, and then the other spray nozzle 15 is supplied.
  • the cleaner has in the subsequent cleaner reaction phase the opportunity to adhere to the surfaces to be cleaned To loosen dirt particles, the duration of this reaction phase again depends on the type of cleaner used.
  • valve 31 is opened, whereby again the outputs to the two spray nozzles alternately 13, 15 can be opened. After a sufficient rinsing phase, the valve 31 closed again.
  • valve 27 is first connected to valve 29 opened, with the two outputs again in series at valve 29 can be controlled.
  • Pump 21 has as in the case of the cleaning agent the task of rinse aid through the spray nozzles 13, 15 to be applied to the surfaces to be cleaned. Right away after applying the rinse aid, that is after Deactivating the pump 21 and the valves 27 and 29 takes place Another short water entry by opening valve 31 for rinsing and rinsing the surfaces.
  • the cleaning device and the cavity to be cleaned can also be designed so that they alternate Exchange information about the cleaning program to optimize. You can either use a roasting oven to be cleaned transmit information about the last cooking program (s).
  • the roasting oven can also be equipped with dirt sensors be the degree of pollution of the muffle walls determine and this information in turn via appropriate Hand over the transmission equipment to the cleaning device.
  • valves 25, 27, 29, 31, the pump 21 and the control electronics of the cleaning device are enclosed in the box 33 12 or 24 VDC battery powered. This accumulator after the cleaning program and If necessary, remove the cleaning device from an appropriate one Charging station connected. However, preferred an accumulator capacity chosen to run three long or five short cleaning programs for cleaning of several canteen kitchen appliances is sufficient.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
EP02008350A 2001-06-19 2002-04-12 Dispositif de nettoyage d'une cavité Withdrawn EP1270096A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001129460 DE10129460A1 (de) 2001-06-19 2001-06-19 Reinigungsvorrichtung zum Reinigen eines Hohlraumes
DE10129460 2001-06-19

Publications (2)

Publication Number Publication Date
EP1270096A2 true EP1270096A2 (fr) 2003-01-02
EP1270096A3 EP1270096A3 (fr) 2004-01-28

Family

ID=7688643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008350A Withdrawn EP1270096A3 (fr) 2001-06-19 2002-04-12 Dispositif de nettoyage d'une cavité

Country Status (2)

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EP (1) EP1270096A3 (fr)
DE (1) DE10129460A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016059129A3 (fr) * 2014-10-17 2016-06-09 Guggenberger Reinigungstechnik E.K Procédé et dispositif pour le nettoyage de fours de cuisson

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453673B2 (de) * 1974-11-13 1977-10-20 Beyer, Paul, 7151 Nellmersbach Keimkasten zum keimen und ausweichen von maelzgut auf durchlaessigen hordenboeden
DE2538591C3 (de) * 1975-08-29 1981-10-08 Alan D. Los Angeles Calif. Brite Vorrichtung zum Aufbringen eines Reinigungsmittels auf Innenwände von Küchenherden o.dgl.
US4141374A (en) * 1976-06-16 1979-02-27 Wash Wagon Corporation Trailer washing apparatus
DE2842771A1 (de) * 1978-09-30 1980-04-10 Lechmetall Landsberg Gmbh Vorrichtung und verfahren zur waermebehandlung von nahrungsmitteln, insbesondere zur zubereitung von speisen
SE500131C2 (sv) * 1992-10-14 1994-04-25 Jansson N E Konsultfirma Ab Anordning för invändig rengöring av en kanal
US5640982A (en) * 1994-11-18 1997-06-24 Landry Service Co. Inc. Tank cleaning system using collapsible robotic tank entry vehicle
DE19614439A1 (de) * 1996-04-12 1997-10-16 Wiesheu Wiwa Gmbh Ofen und Verfahren zur Reinigung eines Ofenraums
DE19817504A1 (de) * 1998-04-20 1999-10-28 Krause Biagosch Gmbh Einrichtung zur Reinigung der Herdplatte in Backöfen
SE518392C2 (sv) * 1998-12-22 2002-10-01 Jan Sandberg Metod för rengöring av djurstallar med en automatisk rengöringsanordning samt automatisk rengöringsanordning
DE29913995U1 (de) * 1999-08-11 2000-12-28 Wap Reinigungssysteme Gmbh & Co, 89287 Bellenberg Backofendüse mit Schabeleiste

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016059129A3 (fr) * 2014-10-17 2016-06-09 Guggenberger Reinigungstechnik E.K Procédé et dispositif pour le nettoyage de fours de cuisson

Also Published As

Publication number Publication date
DE10129460A1 (de) 2003-03-20
EP1270096A3 (fr) 2004-01-28

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