Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
  • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
  • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
  • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
  • A61L2/186—Peroxide solutions
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
  • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
  • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
  • A61L2/04—Heat
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
  • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
  • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
  • A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
  • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
  • A61L2202/10—Apparatus features
  • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
  • B65B2210/00—Specific aspects of the packaging machine
  • B65B2210/06—Sterilising or cleaning machinery or conduits

Definitions

• the present invention relates to an apparatus and a method for sterilizing surfaces, for example product-contacting surfaces, of a container treatment plant, for example a beverage filling plant.
• the surfaces are subsequently rinsed with hot water to completely remove the cleaning medium from the respective system areas to be cleaned. After that, usually takes place a drying step, in which, for example, dry air or hot air is blown to complete drying of the still with the water
• This method is also known as dry aseptic, and is used to cleanse and sterilize the aseptic areas of a beverage bottling plant. These aseptic areas are usually arranged within a so-called insulator, by means of which a defined delimitation of plant components from the environment can be made and within which a defined atmosphere with a reduced germ load is provided.
• the bottling plant After the sterilization has taken place, the bottling plant is then again in a sterile condition and is accordingly ready for production.
• This object is achieved by a device for sterilizing a surface of a
• Container treatment plant comprising a heating device for heating a carrier fluid, a metering device for metering a sterilizing agent in the carrier fluid, and an impingement device for pressurizing the surface to be sterilized with the heated mixture of the carrier fluid and the sterilant.
• a metering device by means of which a sterilizing agent is metered into the carrier fluid, and a loading device is provided, by means of which the surface to be sterilized with the heated mixture of the carrier fluid and the
• Sterilization agent is applied, a sterilization and in particular a
• the intermediate sterilization can also be used in combination with a dry aseptic method (rinsing, drying, evaporating H 2 O 2 applied), the dry aseptic method is then performed for initial sterilization before production or a product change and the intermediate sterilization for regular treatment of the plant or after a forced production interruption.
• Sterilization of the surfaces is understood here to mean that the respective surfaces are treated in such a way that no germs capable of reproduction remain after sterilization are. In particular, this means that, in particular with respect to the respective filling product filled in the beverage filling plant, product-damaging germs are absent
• a sterilized surface is understood as meaning a safe absence of pathogenic and toxin-producing microorganisms, as well as a
• the carrier fluid for example, water can be used, and it is particularly preferable to use sterile water.
• peracetic acid C 2 H 4 O 3
• peroxyacetic acid C 2 H 4 O 3
• the high temperature applied via the heating device either only to the carrier fluid or already to the mixture of carrier fluid and peracetic acid, makes it possible to improve the sterilization performance of peracetic acid.
• the peracetic acid at the elevated temperature tends to evaporate, so that sterilant residues or peracetic acid residues do not remain on the finally sterilized surface, but evaporate together with the carrier fluid.
• the metering device is arranged so that the sterilant is metered into the carrier fluid upstream of the heater and the mixture of the carrier fluid and the sterilant in the heater is heated. In this way, a defined temperature of the mixture can be provided safely and independently of the volume of the sterilant metered into the carrier fluid.
• the metering device can also be arranged so that the sterilizing agent is metered downstream of the heater in the already heated in the heater carrier fluid.
• the sterilizing agent is metered downstream of the heater in the already heated in the heater carrier fluid.
• the peracetic acid is supplied to the carrier fluid in a predetermined concentration so that the resulting heated mixture of the carrier fluid and the sterilizing medium as high as possible
• a carrier fluid supply for supplying water as a carrier fluid may be provided upstream of the heater, and a sterile water generating device may be provided to sterilize the water, wherein the
• Sterilwassererzeugungsvortechnischetti preferably a downstream of the heating device arranged dwelling line for providing a predetermined residence time of the means of the heater heated water comprises.
• the dwell section is dimensioned so that the carrier fluid, depending on the flow rate, undergoes a predetermined dwell time as it flows through the dwell section, and accordingly sterilization can be achieved.
• a residence section is provided as a sterile water production device, then it is particularly preferred to provide the metering device in such a way that metering in of the
• Sterilization medium is already made at the beginning of the dwell to the
• the dosing device can also be provided at the end of the dwell section, so that dosing of the sterilization agent into the already slightly cooled carrier fluid takes place, which is already sterile at this time. In this way, sterilization medium can be saved and immediate evaporation of the sterilization medium can be reduced or avoided.
• an application device For loading the sterilizing surface of the container treatment device, an application device may be provided.
• the loading device can be provided.
• the loading device may also be a supply device, for example in the form of a branch or a valve, by means of which the heated mixture of the
• Carrier fluid and the sterilant according to lines or
• the loading device may thus either be intended to apply to the outer surfaces with the mixture of the carrier fluid and the sterilizing agent or to pressurize the respective fluid-carrying lines, in particular filling product-carrying lines, with the mixture of the carrier fluid and the sterilizing agent.
• the metering device for metering the sterilizing agent with a
• Sterilizing agent tank for receiving peracetic acid connected and the metering dosed peracetic acid in the carrier fluid.
• a withdrawal device is furthermore particularly preferably provided by means of which the vapors occurring when the respective surfaces of the container treatment device to be sterilized are applied to the heated mixture of the carrier fluid and the sterilization agent are withdrawn from the correspondingly sterilized region of the container treatment device can.
• the fan it is possible by means of the fan to evaporate evaporated sterilant together with the vaporized carrier fluid, which evaporates from the areas of the container treatment device to be sterilized due to the high temperature with which it is applied to the surfaces to be sterilized together with the carrier fluid.
• the dosing device comprises a sensor for determining the concentration of the sterilizing agent in the carrier fluid and a control or regulating device is provided, which controls or regulates the dosing of the sterilizing agent on the basis of the signal of the sensor.
• the sterilization agent can also be introduced into the carrier fluid in a predetermined volume flow by means of a volume flow sensor.
• Container treatment device proposed in which the surface to be sterilized with a heated mixture of water and peracetic acid is applied.
• the mixture has a temperature of 50 ° C to 80 ° C, preferably 60 ° C to 70 ° C.
• the object is further achieved by a method for treating containers in a container treatment apparatus having the features of claim 10
• Tank treatment device in the interruption of production with a heated mixture from a carrier fluid and a sterilant and resuming the treatment of the containers.
• a heated mixture of a carrier fluid and a sterilant is applied to surfaces of the container treatment apparatus to be sterilized after interrupting the container treatment, and thereafter the treatment of the containers is resumed, by a single Treatment step sterilizing the surfaces to be sterilized, in particular in the form of an intermediate sterilization performed.
• rinsing of the sterilized surfaces of the container treatment device with water can be carried out.
• the water or sterile water particularly preferably has a temperature of at least 90 ° C.
• Figure 1 is a schematic representation of an apparatus for sterilizing surfaces of a container treatment device. Detailed description of preferred embodiments
• FIG. 1 shows a schematic representation of a device 1 for sterilizing surfaces of a container treatment apparatus, for example a beverage filling installation for filling bottles or other containers with a beverage.
• the surfaces to be sterilized for example in the form of the surfaces of a
• Treatment organ of the container treatment device are present - for example
• the surfaces to be sterilized may also be the surfaces of an enclosure or an insulator of the container treatment apparatus.
• the surfaces to be sterilized can also be a media-carrying channel of the
• the channels and lines can be sterilized.
• the container treatment apparatus may be, for example, an aseptic beverage bottling plant, preferably a dry aseptic beverage bottling plant.
• the dry aspetharide preferably a dry aseptic beverage bottling plant.
• Sterilization method (including rinsing, drying, treatment with vaporized H 2 0 2 ) is preferably used before production or during a product change.
• the application of the hot mixture of carrier fluid and sterilant described herein is then used for intermediate sterilization after production stoppages.
• the device 1 comprises a ClP flow 10, by means of which a mixture of a carrier fluid and a sterilizing agent prepared and heated in the manner described below is applied to the surfaces to be sterilized
• Container treatment device can be applied.
• a spray nozzle 100 or a valve 1 10 is then provided to the ClP flow 10, by means of which the heated mixture of the carrier fluid and the sterilizing agent then on the corresponding surfaces to be sterilized
• Container treatment device can be applied.
• the carrier fluid can be supplied, for example in the form of process water via a process water supply 12 and then fed via a circulation pump 120 of a heater 14, in which the carrier fluid is heated, and then passed through the ClP flow 10 to the areas of the container treatment device, in which the surfaces to be sterilized are provided.
• the heating device 14 which is designed here as a heat exchanger, the supplied via the process water supply 12 process water can be heated.
• the heating device 14 which is designed here as a heat exchanger, the supplied via the process water supply 12 process water can be heated.
• Temperature sensor 16 is provided which monitors the temperature of the carrier fluid and
• process steam is used to provide the heat energy in the heat exchanger.
• the heater 14 may also be formed in any other known manner, for example, in the form of an electric heater.
• a dwell line 16 is provided which is such that the process water heated in the heating device 14 remains at the high temperature which it has received in the heating device 14 for a predetermined time , is held.
• the heated process water received in the residence section 16, which here functions as a carrier fluid can be sterilized.
• the residence section 16 is thermally insulated in order to use the necessary supply of thermal energy efficiently.
• the temperature of the heated process water is monitored by means of a temperature sensor 160, which is also used to control the superheated steam supply 162 to the heater 14 designed as a heat exchanger.
• the mixture of the carrier fluid and the sterilant As the temperature, the mixture of the carrier fluid and the sterilant at
• Loading the surfaces to be sterilized may have, is preferably a
• Temperature of 50 ° C to 80 ° C preferably provided 60 ° C to 70 ° C, especially when using water as a carrier fluid and peracetic acid as a sterilant.
• the fluid once used in the container treatment device to sterilize the respective surfaces is either withdrawn as vapor or discarded.
• at least a portion of the fluid used for sterilization may be pumped back into the circuit via a CIP return 18 and may then be re-circulated to the circulating pump 120 of the heater 14 and the residence line 16, for example, again via the ClP flow 10 is applied to each surface to be sterilized.
• a metering device 2 is furthermore provided, wherein the metering device 2 can meter a sterilizing agent into the carrier fluid via a metering valve 20.
• a metering valve 20 of the metering device 2 discharges accordingly into the delay line 16 in such a way that metering in of the metering device 2 takes place
• Entweilrow 16 out takes place.
• the carrier fluid has accordingly already spent a predetermined time in the dwell section 16, so that at the time of dosing the
• the carrier fluid is already largely sterilized, so that the sterilant is not immediately consumed already by the carrier fluid.
• the metering valve 20 of the metering device 2 may also be provided at the beginning of the delay line 16, ie immediately after the heater 14, or upstream of the heater 14, so that the mixture of the carrier fluid and the sterilant correspondingly at different positions can be made within the flow of the carrier fluid.
• the mixture of the carrier fluid and the sterilant at the CIP leader 10 may both be at a particular temperature and at a particular concentration
• Concentration of the sterilant in the carrier fluid for example, provided in the region of the ClP flow 10.
• the metering valve 20 of the metering device 2 can then be controlled or regulated by means of a control or regulating device 26 in such a way that the desired sterilant concentration is achieved in the carrier fluid.
• the metering device 2 has two tanks 22, in which the sterilization agent is provided accordingly.
• the sterilant is preferably peracetic acid, which may be provided in the two tanks, respectively, to allow continuous operation of the apparatus 1 and to switch from one tank 22 to the other tank 22 if the first tank 22 is running low overall, a larger volume of peracetic acid must be provided to provide the desired concentration of ClP feed 10.
• the device 1 shown can be used in the container treatment device in a production break, during a product change or during a production interruption, the surfaces of the container treatment device to be sterilized by means of
• An admission device for example in the form of the spray nozzle 100 or the supply valve 1 10 to sterilize with the provided at the ClP flow 10 heated mixture of the carrier fluid and the sterilant.
• Sterilization of each surface to be sterilized achieved because the sterilizing agent has a higher effect due to the temperature.
• a reduced amount of sterilizing agent can be used, due to the elevated temperature.
• Peracetic acid as a sterilizing agent a rapid evaporation of peracetic acid together with the carrier fluid can be achieved within the container treatment device, so that the mixture and in particular the peracetic acid does not remain on the treated surfaces and accordingly, for example, a contamination of the filled after re-uptake of production filling product can not take place.
• a step of the separate rinsing of the peracetic acid can be dispensed with.
• the vaporized peracetic acid can also be easily removed from the container treatment device together with the carrier fluid via a fan.
• a drying results in particular in support of blowing with dry air.
• sterile water preferably sterile water at a temperature greater than 90 ° C, which is sterilized after a correspondingly long residence time in the residence section 16 on the loading device, rinse the appropriately sterilized surfaces and at the same time heat the surfaces so far, that a particularly rapid evaporation or drying of the then only acted upon with sterile water surfaces is made possible.

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• Health & Medical Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Epidemiology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Apparatus For Disinfection Or Sterilisation (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=62976046

Family Applications (1)

Country Status (4)

Family Cites Families (8)

• 2017
  • 2017-07-13 DE DE102017115824.3A patent/DE102017115824A1/de active Pending
• 2018
  • 2018-07-13 WO PCT/EP2018/069100 patent/WO2019012113A1/de unknown
  • 2018-07-13 EP EP18742988.1A patent/EP3651812A1/de active Pending
  • 2018-07-13 CN CN201880046361.6A patent/CN110869059B/zh active Active

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