EP4005461A1 - Dispositif d'hygiene et procede d'hygiene des outils, en particulier des outils de coupe, dans le cadre d'une sequence d'operations de transformation des aliments - Google Patents

Dispositif d'hygiene et procede d'hygiene des outils, en particulier des outils de coupe, dans le cadre d'une sequence d'operations de transformation des aliments Download PDF

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Publication number
EP4005461A1
EP4005461A1 EP21000330.7A EP21000330A EP4005461A1 EP 4005461 A1 EP4005461 A1 EP 4005461A1 EP 21000330 A EP21000330 A EP 21000330A EP 4005461 A1 EP4005461 A1 EP 4005461A1
Authority
EP
European Patent Office
Prior art keywords
interior
knife
sanitization
hygienization
sanitation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21000330.7A
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German (de)
English (en)
Other versions
EP4005461C0 (fr
EP4005461B1 (fr
Inventor
Josef Messmer
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.)
Pht Partner Fuer Hygiene und Technologie GmbH
Original Assignee
Pht Partner Fuer Hygiene und Technologie 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.)
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Publication date
Application filed by Pht Partner Fuer Hygiene und Technologie GmbH filed Critical Pht Partner Fuer Hygiene und Technologie GmbH
Publication of EP4005461A1 publication Critical patent/EP4005461A1/fr
Application granted granted Critical
Publication of EP4005461C0 publication Critical patent/EP4005461C0/fr
Publication of EP4005461B1 publication Critical patent/EP4005461B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L17/00—Apparatus or implements used in manual washing or cleaning of crockery, table-ware, cooking-ware or the like

Definitions

  • the invention relates to a sanitizing device and a method for sanitizing tools, in particular knives, as part of a sequence of work steps used in food processing.
  • the invention is aimed at a hygienization, cleaning and disinfection device for tools, in particular cutting tools, which are used in a slaughterhouse.
  • slaughter tools must be cleaned and sterilized (sanitized) from animal to animal on the slaughter line in order to prevent cross-contamination.
  • a procedure for treating the tools and equipment with hot water with a minimum temperature of +82°Cefsius is prescribed.
  • Alternative methods are only permitted if they achieve at least the same sanitation quality. So a butcher knife, or a butcher saw, in particular a heated rinse water mixed with a sanitizing medium.
  • the grip area and the hand of the user can be subjected to a milder flushing rain by adjusting the internal structure of the device, eg slightly more throttled nozzles.
  • the washed-off contaminants can flow off essentially vertically downwards and are drained off, in particular preferably sucked off.
  • Hot water is preferably used as the sanitizing medium.
  • a biocide can advantageously be added to this.
  • the application of the sanitization medium to the tool, in particular the cutting tool, in the sanitization interior can be accomplished by nozzle systems.
  • nozzles in the form of a so-called two-component design are preferably used.
  • media are mixed, e.g. a gaseous medium such as compressed air with a fluid or fluid mixture.
  • the hygienization medium is then formed by mixing liquid substances, substances contributing to the biocide effect and the gaseous medium, in particular compressed air.
  • the hygienization device is designed in such a way that the introduction opening has a slit section.
  • This slot section preferably extends upwards in a vertical direction, so that a knife to be sanitized can be inserted into the sanitization interior in an orientation with a vertical blade and the knife tip pointing upwards.
  • the insertion opening is designed in such a way that it has a hand passage section which is dimensioned in such a way that a hand enclosing a knife handle can be passed through this insertion opening.
  • the insertion opening is preferably designed and dimensioned overall with regard to its contour in such a way that a hand wearing a protective glove and gripping a knife by the handle in a fist position can insert the knife into the interior with the blade tip pointing upwards.
  • a triggering device is preferably provided for triggering a sanitation process after the knife has been introduced into the sanitation interior.
  • This triggering device can be designed in such a way that the triggering device can be triggered via the knife and/or the hand holding the knife, e.g. via the fingertips. It is then preferably located in the interior of the sanitation device. It can also be designed as an external switch or valve device, in particular a foot-operated release device.
  • the sanitation device in such a way that a sanitation procedure is processed after the sanitation process has been triggered.
  • This can include, for example, a rough rinse, during which the easily washable portion of the contaminants is first washed off.
  • a pressure jet hygienization with a sharper impact on the blade for example using two-component nozzles and hot water, if necessary a biocide and/or a heated hygienization fluid.
  • post-treatment e.g. steam treatment followed by blowing off or air drying.
  • Readable markings in particular a gif code, or also a transponder can be provided on the knife or on the glove so that the corresponding information content can be read out via the hygienization device and the hygienization process can be documented in association with the tool, in particular the knife and the hand .
  • a contact device is preferably provided in the sanitation device for resting the blade of the tool, in particular a knife, in the sanitation interior.
  • This installation device can be formed by a PTFE plate.
  • holding elements can be provided in the sanitization interior, which hold the tool to be sanitized, e.g. in the case of a knife, the knife blade in the context of the spray jet exposure
  • the hygienization device is preferably designed in such a way that, in addition to the tool hygienization, the tool handle and the hand or glove holding the tool, in particular a knife, are also hygienized.
  • a fixing device can be provided by which the tool, e.g. a knife, is fixed as part of the sanitation process in such a way that the grip of the tool handle can be loosened and the area between the glove and the handle can also be rinsed.
  • the hygienization device it is possible to interpret the hygienization device so that after hygienization by rinsing the tool, in particular knife temporarily in the Hygienic interior can remain and is sterilized in it. It is also possible to provide an additional sterilization device on the device, into which the knife, or at least the blade thereof, can be inserted after rinsing and then, for example, superheated steam can be applied to it.
  • the sanitization device can be designed in such a way that when a knife treated therein is removed, steam is applied to the blade as soon as the user's hand is no longer in the sanitization interior. The knife is then sterilized upon removal from the sanitizing interior and during withdrawal from the slit of the port.
  • the hygienization device is preferably designed in such a way that a drainage or suction device is provided, via which the hygienization medium can be discharged from the hygienization interior.
  • a suction device it is possible to discharge any aerosols from the sanitation interior.
  • the concept according to the invention makes it possible to dispense with the previously customary immersion tanks, which require manual pre-cleaning and separate sterilization.
  • the concept according to the invention avoids impure liquid flowing out flowing over the actually sterilized blade.
  • the hygienization takes place in one process or in a chronologically compact sequence of hygienization steps in the hygienization device. Dripping liquid flows towards the handle and not onto the blade. The result is a significantly reduced water and energy consumption compared to conventional measures.
  • the hygienization device according to the invention can be ergonomically advantageously installed or set up directly at a user's workplace at working height.
  • hygienization sluice With the hygienization sluice according to the invention, tools, in particular knives, and the hand holding tools, in particular knives, are cleaned and sterilized from animal to animal during the slaughtering process.
  • water is preferably mixed with air using special air mixing nozzles. Sterilization is done with a pre-mixed disinfectant solution.
  • a lever mechanism triggers a pneumatic actuating valve and the sanitation process starts.
  • the knife and the hand are cleaned by preferably 6 to 8 hygienization nozzles with mixed water (e.g. 45°C nozzle outlet temperature, with 4 - 5 bar water pressure and approx. 8 bar air pressure). Sterilization takes place at the same time using a biocide solution dosed in the sanitation water. The treatment process takes about 2-4 sec. and ends as soon as the lever is no longer actuated (automatic switch-off is also possible).
  • the front plastic cover can be easily removed for cleaning and maintenance purposes. If necessary, the front panel can be replaced to clean circular knives or other cutting tools.
  • the hygienization sluice consists here, for example, of stainless steel material 1.4301 or 1.4571 or alternatively resistant plastic.
  • the object specified at the outset is also achieved according to the invention by a method for carrying out sanitization and disinfection of tools, in particular knives, in the context of food processing, in particular meat processing, in which a tool, in particular a knife, picked up with one hand breaks into a sanitization interior and is held with one hand, with the contact surfaces of the cutting tools, e.g. the blade area of the knife being exposed to a sanitizing medium in the sanitization interior and the hand of the user or a glove surrounding it being rinsed.
  • the tool in particular the knife, is held in a vertical orientation.
  • the tip of the blade points upwards.
  • the knife blade is acted upon by jets of a sanitizing medium which are jetted through a number of nozzles onto the tool, in particular the blade.
  • the nozzles can include rotary heads, so that a bundle of rotating jets is discharged over a large area onto the blade in the manner of a so-called dirt cutter.
  • the method may include a blow-off step and/or a drying step and a steam sterilization step. Furthermore, aerosol extraction from the sanitation interior can also take place.
  • the representation after figure 1 shows a sanitation device according to the invention for sanitizing a tool, here by way of example in the form of a knife 1 .
  • the device also includes an insertion opening 4 for inserting the knife 1 into the sanitation interior 3.
  • the application device 5 for applying a hygienization and disinfection medium 6 to the knife 1 located in the hygienization interior 3
  • User can be introduced into the hygienization interior 4.
  • the application device 5 comprises a plurality of nozzles. These can be designed as so-called two-substance nozzles. Compressed air can be mixed with a fluid mixture through these nozzles. The compressed air can be used to further accelerate the admixed fluid mixture, resulting in efficient cleaning and hygienization based on physical effects.
  • the insertion opening 4 here comprises a slot section 4a through which the blade 1b of the knife 1 can be inserted in a vertical orientation and with the blade tip pointing upwards.
  • the insertion opening 4 has a hand passage section, which is dimensioned in such a way that a gloved hand 7 enclosing a knife handle with a fist grip can be passed through this insertion opening 4 .
  • a triggering device 8 is provided on the sanitizing device for triggering a sanitizing process after inserting the knife 1 into the sanitizing interior 3.
  • This triggering device is designed here as a pneumatically or electrically switched valve.
  • the pressurized water line 10 can be shut off via a shut-off valve 9 .
  • the pressure increase of the sanitizing medium takes place with the involvement of a pump 11.
  • the pump 11 can be arranged in such a way that it conveys the basic medium and the biocide is then added in the pressure section.
  • the hygienization device includes an electronic control device 12 through which an overall control and also a safety circuit is effected.
  • the hygienization device can be brought into a safe emergency stop mode here, for example, via an emergency stop switch 13 .
  • the control device 12 ensures that no critical hygienization or sterilization processes are carried out when a hand is in the hygienization interior 3 .
  • the temperature of the sanitizing medium 6 is monitored.
  • the composition of the sanitizing medium 6 is controlled via a dosing device 14 and an inlet valve 15 which sits in a water line 16 .
  • a sanitizing medium or biocide is stored in a container 17 .
  • a circuit component is provided in the device, so that the sanitation process can be triggered via the tool/knife and/or the hand holding the tool/knife.
  • a contact device is provided in the sanitation interior 3 for resting and supporting the tool, in particular the blade of the knife 1 in the sanitation interior 3 during a washing process.
  • a drain device 18 is provided on the device, via which the sanitization medium can be discharged from the sanitization interior. It is also possible to provide a suction device through which the used sanitization medium can be actively removed. It can then be actively sucked off via a vacuum system, thus avoiding the escape of aerosols as far as possible.
  • the booster pump 11 is designed in such a way that this water can be brought to 4-5 bar. Furthermore, a compressor can be provided for generating compressed air with a pressure of, for example, 6-8 bar. The blade can be pressurized with compressed air via the pressurized water nozzles 19 . It is possible to deliver the hot water/biocide mixture to the cabinet at a controlled temperature. There the mixture with compressed air takes place in the special nozzle technology. This results in increased application pressure with reduced water consumption. This mechanical sanitizing action improves sanitization, allows lower temperatures (without coagulating proteins and still loosens fat) and keeps the cutting tool sharp for longer.
  • FIG. 2a shows the design of an insertion opening 4 which enables the knife 1 gripped by a gloved hand 7 to be inserted into the device in the vertical orientation shown with the blade tip pointing upwards.
  • the length of the slot 4a essentially corresponds to the length of the blade.
  • FIG. 2b shows a variant with a shortened slot opening 4a.
  • the knife is brought from below with a plunging movement through the hand passage area into the sanitation interior.
  • the representation after figure 3 shows a design with a basic module 20, which includes the water-carrying lines and a base plate.
  • a housing module 21 can be placed on this basic module.
  • Zone 3a is used to sanitize the contact surface or blade, and the sharpness of the jet that is applied to the contact surface or blade 1b is relatively high.
  • a reduced beam intensity is applied in the hand hygiene area 3b.
  • the jet guidance inside sanitization interior 3 is such that detached contaminants are carried away by the blade and the knife handle as far as possible and are carried along by the jet and preferably only run off on the wall of sanitization interior 3 .
  • a small residual part of the rinsing water flows off vertically on the blade 1b and overflows the hilt and hand of the knife or the user.
  • the steel guide in the sanitization interior and the location of the extraction are preferably designed in such a way that the sanitization medium that comes into contact with the tool is removed from the tool without subsequent contact with the tool.
  • the hygienization thus takes place with the slightest displacement of exposed, dissolved or removed contaminants in the hygienization interior.
  • the media routing is such that the tool contact surfaces, in particular the knife blade, have the highest degree of cleanliness.
  • the contact surfaces of the tool, its handle and also the user's working hand are sanitized.
  • the hygienization takes place in connection with a suction device, so that the hygienization process releases as few mists and aerosols as possible to the surroundings of the device.
  • the suction air flow is dimensioned in such a way that air from the environment tends to flow in through the inlet opening and as little mist, vapours, drops or aerosols as possible escape during the sanitation process.
  • the device itself is designed in such a way that it can be dismantled into its main components without tools and can therefore also be reliably cleaned as part of workplace cleaning. It is possible for the device to have a Provide self-cleaning procedure, in the context of which the device can carry out a self-cleaning.
  • the representation after figure 5 shows this again in the illustration figure 1 provided housing module.
  • This housing module is used to sanitize a tool.
  • the sanitation device comprises a housing device 2 which encloses an interior space 3 for sanitation.
  • the device also includes an insertion opening 4 for inserting a tool into the sanitation interior 3.
  • the sanitization interior 3 there is an application device 5 for applying a sanitization and disinfection medium 6 to the tool located in the sanitization interior 3.
  • the insertion opening 4 is designed in such a way that the tool can be inserted into the sanitization interior together with a hand of a user holding it by its grip section 3 is collectible.
  • the application device 5 comprises a plurality of nozzles. These can be designed as so-called two-substance nozzles. Compressed air can be mixed with a fluid mixture through these nozzles. The compressed air can be used to further accelerate the admixed fluid mixture, so that efficient cleaning and hygienization results on the basis of physical effects.
  • the atmosphere in the sanitation interior 3 is actively sucked off via the suction nozzle 18.
  • a further suction nozzle 18b can be provided, via which additional suction or also air tracking or circulation can be accomplished.
  • the application device 5 With regard to the application device 5, only a single nozzle is shown here. There are several such application devices 5 in the sanitation interior.
  • the jet orientation is coordinated in such a way that the tool is efficiently washed off in the sanitation interior 3 and contamination tends to migrate to those areas that are less relevant to hygiene.
  • the contact surfaces of the tool are primarily treated, and the handle and the hand of the user are rinsed.

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  • Apparatus For Disinfection Or Sterilisation (AREA)
EP21000330.7A 2020-11-16 2021-11-16 Dispositif d'hygiene et procede d'hygiene des outils, en particulier des outils de coupe, dans le cadre d'une sequence d'operations de transformation des aliments Active EP4005461B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020130243.6A DE102020130243A1 (de) 2020-11-16 2020-11-16 Hygienisierungsvorrichtung sowie Verfahren zur Bewerkstelligung der Hygienisierung von Werkzeugen, insbesondere Schneidwerkzeugen im Rahmen einer der Lebensmittelverarbeitung dienenden Arbeitsschrittfolge

Publications (3)

Publication Number Publication Date
EP4005461A1 true EP4005461A1 (fr) 2022-06-01
EP4005461C0 EP4005461C0 (fr) 2024-01-10
EP4005461B1 EP4005461B1 (fr) 2024-01-10

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EP21000330.7A Active EP4005461B1 (fr) 2020-11-16 2021-11-16 Dispositif d'hygiene et procede d'hygiene des outils, en particulier des outils de coupe, dans le cadre d'une sequence d'operations de transformation des aliments

Country Status (2)

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EP (1) EP4005461B1 (fr)
DE (1) DE102020130243A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184075A1 (fr) * 2008-10-30 2010-05-12 Aquagroup Ag Dispositif de nettoyage d'un produit pour le traitement d'aliments et procédé de nettoyage d'un produit de traitement d'aliments
WO2019145328A1 (fr) * 2018-01-23 2019-08-01 Bon Vivant As Agencement de nettoyage sanitaire, ensemble gaine de couteau et procédé de nettoyage sanitaire de couteaux

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037208A1 (de) 1990-11-22 1992-05-27 Riniker Ag Schlachtanlage
DE102006011299B3 (de) 2006-03-11 2007-05-24 Friedr. Dick Gmbh & Co. Kg Reinigungsstation für Handwerkzeuge, Hände und Arbeitskleidung und Verfahren zum Betrieb einer Reinigungsstation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184075A1 (fr) * 2008-10-30 2010-05-12 Aquagroup Ag Dispositif de nettoyage d'un produit pour le traitement d'aliments et procédé de nettoyage d'un produit de traitement d'aliments
WO2019145328A1 (fr) * 2018-01-23 2019-08-01 Bon Vivant As Agencement de nettoyage sanitaire, ensemble gaine de couteau et procédé de nettoyage sanitaire de couteaux

Also Published As

Publication number Publication date
EP4005461C0 (fr) 2024-01-10
DE102020130243A1 (de) 2022-05-19
EP4005461B1 (fr) 2024-01-10

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