EP2417407B1 - Vorrichtung zur erzeugung von scherbeneis und verfahren zur reinigung, entkalkung und/oder desinfizierung einer vorrichtung zur erzeugung von scherbeneis - Google Patents

Vorrichtung zur erzeugung von scherbeneis und verfahren zur reinigung, entkalkung und/oder desinfizierung einer vorrichtung zur erzeugung von scherbeneis Download PDF

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Publication number
EP2417407B1
EP2417407B1 EP10718446A EP10718446A EP2417407B1 EP 2417407 B1 EP2417407 B1 EP 2417407B1 EP 10718446 A EP10718446 A EP 10718446A EP 10718446 A EP10718446 A EP 10718446A EP 2417407 B1 EP2417407 B1 EP 2417407B1
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EP
European Patent Office
Prior art keywords
trough
cleaning
tub
cleaning fluid
liquid
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.)
Active
Application number
EP10718446A
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German (de)
English (en)
French (fr)
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EP2417407A2 (de
Inventor
Joachim Schill
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.)
Maja Maschinenfabrik Hermann Schill GmbH and Co KG
Original Assignee
Maja Maschinenfabrik Hermann Schill GmbH and Co KG
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 Maja Maschinenfabrik Hermann Schill GmbH and Co KG filed Critical Maja Maschinenfabrik Hermann Schill GmbH and Co KG
Priority to PL10718446T priority Critical patent/PL2417407T3/pl
Publication of EP2417407A2 publication Critical patent/EP2417407A2/de
Application granted granted Critical
Publication of EP2417407B1 publication Critical patent/EP2417407B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
    • F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
    • F25C1/142—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the outer walls of cooled bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/12—Means for sanitation

Definitions

  • the invention is based on a device for producing flake ice and on a method for cleaning a device for producing flake ice.
  • Devices for the production of flake ice are used, from liquids, in particular from water, ice in the form of thin. Produce leaflets. Due to the shape of the pieces of ice, the ice is called flake ice.
  • the flake ice is used, for example, in the food industry for the production of food and for the freshness of food during transport and storage. In this way, for example, meat, fish or marine animals can be stored and transported without their quality suffers.
  • flake ice is used in the production of sausages.
  • other liquids such as juices, sauces, egg, milk and dairy products can too Flake ice be processed.
  • flake ice made from different liquids is used in medicine, pharmacy and engineering.
  • a flake ice machine with a tub and a rotatably arranged on the tub evaporator roller is known, which is equipped with a switchable cleaning device for purging the tub and the evaporator roller.
  • the cleaning device has a plurality of spray nozzles for spraying the evaporator roller and the tub with a cleaning agent.
  • a disadvantage here proves that the tub must be equipped with special spray nozzles already in the production of flake ice machine, so that retrofitting already existing machines is not possible.
  • spray nozzles must be arranged in the tub in terms of their number and the orientation of their Sprühkegel so that a reliable cleaning of the tub, the evaporator roller and other takes place with the freezing liquid in contact parts. This leads to a high cost in the production of flake ice machine.
  • the invention has for its object to provide a device for the production of flake ice and a method for cleaning a device for producing flake ice available which a reliable cleaning, descaling and / or disinfecting all passing with the liquid to be frozen in contact parts of Ensures device with low structural and technical design. Furthermore, the retrofitting of existing devices should be possible.
  • the inventive device for producing flake ice with the features of claim 1 and the method according to the invention with the features of claim 12 are characterized in that a cleaning device for cleaning, descaling and / or disinfecting is provided, which is equipped with an additional circulation device.
  • the circulation device has a drive. This is preferably a separate from the drive of the evaporator roller and independent drive.
  • the circulation device generates in a cleaning liquid in the tub a flow which assists the removal and flushing out of impurities, lime and pathogens from the device. This is a flow that can be variable depending on the power of the drive. It is stronger than the flow generated by the evaporator roller.
  • the tub is preferably filled to a predetermined level.
  • This level may either coincide with or deviate from a predetermined level for filling the trough with the liquid to be frozen.
  • the trough is almost completely filled, so that the parts come into contact with the cleaning liquid, which also come into contact with the liquid to be frozen during operation of the device.
  • the circulation device ensures that the cleaning fluid in the tub is set in motion. Thanks to the filling of the tub to a predetermined maximum level and thanks to the circulation of the cleaning liquid during the cleaning process, an intensive and permanent contact between the cleaning liquid and the relevant parts of the device takes place.
  • These include in particular the tub and the evaporator roller.
  • the evaporator roller rotates during the cleaning process. By this movement of the evaporator roller, the flow of the cleaning liquid is supported.
  • the surfaces in contact with the cleaning fluid can not dry due to the bath of cleaning fluid contained in the tub. Thanks to the circulation of the cleaning liquid maintained by the circulation device, a homogeneous distribution of the cleaning liquid in the tub is achieved. In addition, a sufficient amount of cleaning fluid is always available at all points of the device to be cleaned during the entire cleaning process. Furthermore, the flow supports the removal of dirt, bacteria and lime by the mechanical interaction between the cleaning liquid and the respective surfaces of the device.
  • a cleaning liquid water or a mixture of water and detergent can be used.
  • the cleaning agents used are, for example, agents which contain citric acid, acetic acid or chlorine compounds. From the cleaning liquid and the cleaning agent depends on whether a cleaning of the device with descaling and disinfecting or just a cleaning, only a descaling or only a disinfection is performed.
  • the cleaning fluid is introduced into the tub.
  • a feed opening into the tub serves. This can either be an inlet for the liquid to be frozen or an additional inlet, which alone serves to supply the cleaning liquid.
  • the inlet can open from above or laterally into the trough. In contrast to the state of the art Technique known cleaning nozzles this case meets an inlet to which no special requirements are made in terms of the direction of the exiting cleaning fluid and the opening angle.
  • the cleaning liquid is drained from the tub. Following this, the tub can be filled one or more times with fresh water and the fresh water can then be emptied. This ensures that no residues of the cleaning fluid and no dirt particles, lime particles or bacteria remain in the tub and can get into the ice in the subsequent production of flake ice.
  • the circulation device can be actuated in order to set the fresh water in flow. This additionally aids flushing out of cleaning fluid as well as dirt, impurities, lime and pathogens.
  • the circulation device is decoupled from the inlet of the liquid to be frozen.
  • the cleaning liquid flowing in the trough is completely separate from the inflow of the liquid to be frozen, through which the trough is filled with the liquid to be frozen during operation. This avoids that the cleaning liquid flows into the inlet for the liquid to be frozen and can lead to contamination of the liquid to be frozen. An additional system separation between the circulation of the cleaning liquid and the inlet of the liquid to be frozen is not required.
  • the circulation device and optionally a metering device for a cleaning agent can therefore consist of inexpensive components.
  • This cleaning device can either be installed in the production of the device for the production of flake ice or retrofitted to existing devices.
  • the circulation device on a circulation pump, which sucks the cleaning liquid from the tub and promotes back into the tub.
  • a dimensionally stable or flexible pipe can be provided, which connects the circulation pump suction side and / or pressure side with the tub. It may be a detachable fixed connection.
  • Circulation pump, piping and tub together form a cycle for the cleaning fluid. In this cycle, the cleaning liquid circulates during the cleaning process.
  • the circulating pump can also be actuated during a flushing operation, in which the tub is freed from the cleaning liquid after completion of the cleaning process.
  • the pipeline through which the cleaning liquid is conveyed by the circulation pump back into the tub opens from above into the tub.
  • the pipeline opens below a predetermined for the filling of the tub levels. This avoids that, during the circulation of the cleaning liquid caused by the circulating pump, an undesirably high foaming in the tub occurs.
  • the circulation device has a submersible pump arranged in the tub. This promotes the cleaning fluid directly from the tub back into the tub, without having to rely on an additional pipe outside the tub. If the submersible pump is not firmly connected to the tub, it can be removed from the tub during the production of flake ice.
  • the circulation device has an agitator.
  • the agitator can consist of a driven shaft with one or more axially or radially conveying stirrers.
  • the stirrer may also be attached to the evaporator roller. This may be a detachable or fixed connection between the stirrers and the evaporator roller.
  • Stirrers permanently connected to the evaporator roller are preferably arranged on the end faces of the evaporator roller.
  • the device is equipped with an opening into the tub and / or in the pipeline detergent feed.
  • a special detergent added.
  • This has the advantage that, for example, water can be supplied to the tub via the inlet of the liquid to be frozen, and the addition of a cleaning agent is then carried out subsequently via a separate detergent feed. The cleaning agent thus does not come into contact with the feed of the liquid to be frozen.
  • the detergent feed is connected to a reservoir for cleaning agent.
  • a supply of detergent is available for each cleaning process.
  • the device is equipped with a detergent dosing pump. This can dose the amount of detergent required for a cleaning process. Since it does not have to work against the pressure of the cleaning liquid, no high demands are placed on the pressure build-up of the detergent metering pump.
  • the detergent feed opens above a predetermined for the filling of the tub levels. This prevents the liquid filled in the trough from coming into contact with the detergent feed and undesirably flushing or rinsing out detergent from the detergent feed.
  • the device is equipped with a control device.
  • the circulation device for example the circulation pump, the submersible pump or the stirrer, is connected to the control device.
  • the device is additionally equipped with a detergent dosing pump, it is also connected to the control device. If the rotation of the evaporator roller is also included in the cleaning process, then this is also connected to the control device.
  • the control device controls the components of the cleaning device and ensures a predetermined sequence of the cleaning process.
  • the device with a level sensor for monitoring the for the filling equipped the tub predetermined levels.
  • the level sensor detects when the tub filling has reached or exceeded a preset level.
  • the inlet for the cleaning liquid is identical to an inlet for the liquid to be frozen.
  • the tub is equipped in the lower part with a drain for discharging the cleaning liquid from the tub.
  • the sequence can be identical to a drain for the liquid to be frozen, in particular for residues of the liquid to be frozen in the tub.
  • the inventive method for cleaning a device for producing flake ice with the features of claim 12 is characterized in that after all was located in the tub to be frozen liquid, the tub is filled with a cleaning liquid to a predetermined level, and the cleaning fluid is circulated and added to flow. This purpose is served by an additional circulation device.
  • the evaporator roller may be equipped with stirrers or stirrers to assist in generating a flow in the cleaning fluid. Depending on the type of flow, there is also a circulation.
  • the cleaning liquid is discharged from the tub.
  • a drain in the lower part of the tub Particularly preferably, this is located at the lowest point of the tub, so that no residues remain in the tub when diverted.
  • the process is carried out as long as no flake ice is generated in the device.
  • the procedure is carried out either when the Device anyway has a life, or ice production is terminated at the beginning of the process.
  • the device is rinsed once or several times with water after draining the cleaning liquid to rid the device of the cleaning liquid and optionally residues of dirt, lime or pathogens.
  • the operating and / or service life of the apparatus for producing flake ice are detected. Together with the predetermined water hardness can be determined based on the stand and operating times of the time at which a cleaning of the device is performed.
  • the hygiene state of the device determined therefrom can be displayed to the user by means of a display device. After reaching a critical sanitation state, the process for cleaning can be started automatically or a corresponding recommendation for manually starting the process can be issued to the user.
  • the cleaning method may be started manually by a user or automatically via a timer integrated into the apparatus, before or after the end of the generation of flake ice.
  • FIG. 1 shows schematically the structure of an apparatus for producing flake ice, which is equipped with a cleaning device for cleaning, descaling and / or disinfecting.
  • the device has an evaporator roller 2 driven for rotation via a shaft 1, a scraper 3 for removing ice formed on the surface of the evaporator roller 2 from an ice to be frozen, and a tub 4 receiving the liquid to be frozen.
  • the evaporator roller 2 dives at least partially.
  • the rotation of the evaporator roller 2 is in FIG. 1 indicated by an arrow.
  • the inlet for the liquid to be frozen is not shown in the drawing.
  • a drain 5 in the tub 4 serves to drain off liquid contained in the tub.
  • a cleaning device For cleaning, decalcifying and disinfecting the device is equipped with a cleaning device.
  • a cleaning device To the cleaning device includes a circulating pump 6, a pipe 7, which connects the circulation pump 6 on the suction side with the outlet 5 of the tub 4, a pipe 8, which is connected to the pressure side of the circulation pump 6, a reservoir 9 for a detergent, a detergent metering pump 10, a detergent feed 11 and a control device 12.
  • the cleaning of the apparatus for producing flake ice is as follows: If not already done the ice production completed. Although the evaporator roller 2 is no longer cooled, but continues to rotate about its axis until no ice is formed on the surface of the evaporator roller. Subsequently, the tub 4 is completely emptied via the drain 5. All still contained in the tub, to be frozen liquid is discharged. Subsequently, the tub 4 is filled up to a predetermined level 13 with a cleaning liquid, for example water. The level monitoring takes place by means of a level sensor 14, which in the Figures 2 and 4 is shown. After filling the tub 4 to the level 13, the circulation pump 6 is turned on.
  • the detergent feed 11 opens from above into the trough 4.
  • the mouth is above the level 13 of the cleaning liquid.
  • the circulating pump 6 the cleaning liquid containing the cleaning agent is sucked through the drain 5 and the pipe 7 and conveyed via the pipe 8 back from above back into the tub 4.
  • the mouth of the pipe 8 is below the level 13. This avoids that there is an undesirable foaming when introducing the cleaning liquid into the tub.
  • the evaporator roller 2 rotates. The circulation of the cleaning liquid is stopped by switching off the circulation pump. After switching off the cleaning liquid is discharged through the drain 5 from the tub 4 and the tub 4 emptied it.
  • the tub is rinsed several times with fresh water.
  • the tub is filled via a feed, not shown, with the fresh water.
  • the circulation pump 6 is turned on, so that the circulation pump 6 and the pipes 5 and 6 are rinsed with fresh water.
  • the evaporator roller rotates during the rinsing process.
  • the now cleaned, decalcified and disinfected device is again available for the production of flake ice.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Confectionery (AREA)
  • Cleaning In General (AREA)
EP10718446A 2009-04-09 2010-04-01 Vorrichtung zur erzeugung von scherbeneis und verfahren zur reinigung, entkalkung und/oder desinfizierung einer vorrichtung zur erzeugung von scherbeneis Active EP2417407B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10718446T PL2417407T3 (pl) 2009-04-09 2010-04-01 Urządzenie do wytwarzania lodu płatkowego oraz sposób oczyszczania tego urządzenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009016726 2009-04-09
PCT/DE2010/000383 WO2010115407A2 (de) 2009-04-09 2010-04-01 Vorrichtung zur erzeugung von scherbeneis und verfahren zur reinigung, entkalkung und/oder desinfizierung einer vorrichtung zur erzeugung von scherbeneis

Publications (2)

Publication Number Publication Date
EP2417407A2 EP2417407A2 (de) 2012-02-15
EP2417407B1 true EP2417407B1 (de) 2013-01-16

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EP10718446A Active EP2417407B1 (de) 2009-04-09 2010-04-01 Vorrichtung zur erzeugung von scherbeneis und verfahren zur reinigung, entkalkung und/oder desinfizierung einer vorrichtung zur erzeugung von scherbeneis

Country Status (10)

Country Link
US (1) US20120031135A1 (zh)
EP (1) EP2417407B1 (zh)
JP (1) JP6013909B2 (zh)
CN (1) CN102369402B (zh)
DE (2) DE112010001576A5 (zh)
DK (1) DK2417407T3 (zh)
ES (1) ES2402402T3 (zh)
PL (1) PL2417407T3 (zh)
RU (1) RU2518354C2 (zh)
WO (1) WO2010115407A2 (zh)

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DE102014118832A1 (de) 2014-12-17 2016-06-23 Rolf Gerhards GmbH Maschinen für die Fleischverarbeitung Verfahren zur Reinigung einer Scherbeneismaschine sowie Scherbeneismaschine mit Reinigungsvorrichtung

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Publication number Priority date Publication date Assignee Title
DE102014118832A1 (de) 2014-12-17 2016-06-23 Rolf Gerhards GmbH Maschinen für die Fleischverarbeitung Verfahren zur Reinigung einer Scherbeneismaschine sowie Scherbeneismaschine mit Reinigungsvorrichtung
DE102014118832B4 (de) * 2014-12-17 2017-08-24 Rolf Gerhards GmbH Maschinen für die Fleischverarbeitung Verfahren zur Reinigung einer Scherbeneismaschine sowie Scherbeneismaschine mit Reinigungsvorrichtung

Also Published As

Publication number Publication date
DK2417407T3 (da) 2013-04-08
JP2012523538A (ja) 2012-10-04
RU2518354C2 (ru) 2014-06-10
CN102369402A (zh) 2012-03-07
PL2417407T3 (pl) 2013-06-28
DE102010014047A1 (de) 2010-10-14
WO2010115407A2 (de) 2010-10-14
JP6013909B2 (ja) 2016-10-25
RU2011145274A (ru) 2013-05-20
US20120031135A1 (en) 2012-02-09
CN102369402B (zh) 2013-06-19
DE112010001576A5 (de) 2012-08-30
WO2010115407A3 (de) 2011-02-24
EP2417407A2 (de) 2012-02-15
ES2402402T3 (es) 2013-05-03

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