EP1820771B1 - Sealing assembly for sealing the transition between a rotating and a stationary machine element and installation or device for handling bottles or similar containers with at least one such sealing assembly - Google Patents
Sealing assembly for sealing the transition between a rotating and a stationary machine element and installation or device for handling bottles or similar containers with at least one such sealing assembly Download PDFInfo
- Publication number
- EP1820771B1 EP1820771B1 EP07002379A EP07002379A EP1820771B1 EP 1820771 B1 EP1820771 B1 EP 1820771B1 EP 07002379 A EP07002379 A EP 07002379A EP 07002379 A EP07002379 A EP 07002379A EP 1820771 B1 EP1820771 B1 EP 1820771B1
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- EP
- European Patent Office
- Prior art keywords
- sealing
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- seal
- siphon
- assembly
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 238000009434 installation Methods 0.000 title claims abstract description 5
- 230000007704 transition Effects 0.000 title abstract description 19
- 239000007788 liquid Substances 0.000 claims description 70
- 230000001954 sterilising effect Effects 0.000 claims description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 17
- 238000012371 Aseptic Filling Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 239000012263 liquid product Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 47
- 239000012530 fluid Substances 0.000 description 15
- 238000011049 filling Methods 0.000 description 14
- 238000011109 contamination Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000003206 sterilizing agent Substances 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000008223 sterile water Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000002070 germicidal effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 239000013013 elastic material Substances 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
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- 238000002372 labelling Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C7/00—Concurrent cleaning, filling, and closing of bottles; Processes or devices for at least two of these operations
- B67C7/0073—Sterilising, aseptic filling and closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C2003/228—Aseptic features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
- B67C2003/2688—Means for filling containers in defined atmospheric conditions
- B67C2003/2694—Means for filling containers in defined atmospheric conditions by enclosing a set of containers in a chamber
Definitions
- the invention relates to a sealing arrangement for sealing a transition between a rotating and a stationary machine element of a plant or apparatus for treating bottles or similar containers, in particular for sealing the transition between a circumferential and a stationary part of a sterile room or area of a non Sterile space or area separating enclosure of a system for cold aseptic filling, according to the preamble of claim 1.
- the invention further relates to a plant or apparatus for treating bottles or similar containers, in particular plant or apparatus for cold aseptic filling, with at least one transition between a rotating and a stationary machine element and with a transition provided at the transition and the relative movement between the Machine elements enabling sealing arrangement, according to the preamble of claim 14.
- Installations for the cold aseptic filling of a liquid filling material into bottles or the like containers for example for the cold aseptic filling of heat-sensitive beverages (for example fruit juices) are known in various designs.
- the individual machines forming such a plant and adjoining each other in the manufacturing or treatment line such as e.g. Rinser, sterilizer, filling machine, capper, are provided with enclosures, in such a way that within the plant a conveyor line for the container or bottles in a sterile space results, through this enclosure against adjacent non-sterile rooms or areas, such as the environment in particular is also sealed against the penetration of germs.
- such housing when using machines of rotating design, as is customary for rinsers, sterilizers, filling machines and / or closing machines, such housing usually has several transitions between a rotating or rotating Part of the enclosure and a fixed part of this enclosure, so that in these areas special seals are required.
- Each siphon seal consists essentially of at least one of the rotational or rotational axis of the peripheral part of the enclosure annularly enclosing channel-like channel or annular channel, in which an annular wall portion extends to a provided on the other part of the housing element of the siphon seal.
- the barrier liquid preferably contains a sterilizing medium and consists for example of distilled, sterile water with a proportion of hydrogen peroxide H 2 O 2 .
- each siphon seal for this purpose is assigned an independent buffer container for the barrier liquid, which is connected via a line to the annular channel of the siphon seal in the manner of communicating tubes.
- an electronic control circuit with a level sensor in the buffer tank and a control valve in a supply line of the liquid level of the barrier liquid is maintained at a predetermined level, so that the liquid level of the barrier liquid in the annular channel of the associated siphon seal has the predetermined level.
- a disadvantage of the known plant u.a. also that the respective siphon seal is exposed both to the sterile space or area and to the non-sterile space or area, e.g. Contamination of the sealing or sealing fluid by influences from the non-sterile space or by influences from the sterile room, e.g. can not be excluded by the liquid contents just as little, such. Odor nuisance and / or injury to persons (operating personnel) by the barrier fluid.
- the object of the invention is to show a seal arrangement which avoids such disadvantages.
- a seal assembly according to claim 1 is formed.
- a plant or device for treating bottles or similar containers with at least one, but preferably with a plurality of such sealing arrangements is the subject of claim 14.
- the seal assembly according to the invention is particularly advantageous in systems for treating bottles or similar containers everywhere where a seal between a rotating part or element and a stationary part or element of the relevant system is required, but especially at the transition between a rotating and a stationary Part of a machine or plant for cold aseptic filling of a liquid filling material in bottles or similar containers.
- At least one mechanical seal is provided at the transition between the rotating or rotating part of the housing and the stationary part of the housing, which then consists of a sealing element extending along the siphon seal on one of the housings, which has a sealing surface on the other Part of the housing cooperates.
- this mechanical seal is preferably provided on the side of the siphon seal facing the non-sterile region, so that the siphon seal is shielded from the non-sterile region by the mechanical seal.
- a system for cold aseptic filling are usually provided several seal assemblies with mechanical seal and siphon seal, at different levels, respectively at the transitions between a rotating or rotating part of the housing and a stationary part of the enclosure. All siphon seals or their annular channels are then constantly supplied with barrier liquid from a common supply or supply tank or reservoir, for example via a common pump and individually associated with the individual siphon seals means for adjusting or regulating the flow rate of the respective Siphon seal inflowing barrier fluid. Since the at least one outlet of the respective annular channel is designed as an overflow, the necessary level of the liquid level of the barrier liquid automatically arises in each annular channel without the need for an electronic control loop.
- the individually provided in the supply or in the supply lines of the siphon seals means for adjusting or regulating the flow hydrostatic differences that result from the different height level of the various siphon seals balanced.
- these means for adjusting and regulating the volume flow of adjusting valves are formed, which are set once, for example, when commissioning the system.
- each siphon Seal arranged a flow meter the either actually determines the volume flow of the backflowing barrier liquid and compares it with the volume flow of the barrier liquid supplied to the respective siphon seal, so that the error message and / or the production interruption are caused by a difference exceeding a permissible tolerance limit or else the error message and / or the immediate production interruption then caused when the flowmeter concerned no return flowing barrier fluid is detected or the flow rate determined by the flow meter is below a predetermined threshold.
- a level control of the liquid level of the barrier liquid in the siphon seals is neither provided nor required in the invention. This results in a significant simplification of the design and beyond a much improved reliability, since the level of the liquid level regulating electronic control circuits are avoided.
- the at least one siphon seal is provided with at least one outlet opening or nozzle for a cleaning or sterilizing medium, so that this seal or its annular channel is then cleaned and / or sterilized in a CIP cleaning or SIP sterilization can be, which is particularly in a plant with a variety of provided on Einhausungsüber réellen siphon seals of great advantage, in particular, the cleaning and sterilization of the siphon seals a system with a variety of such seals are much easier and can be carried out in little time.
- the in the FIG. 1 generally designated 1 overall system is used for cold aseptic filling of a liquid filling material in bottles 2, which in the Appendix 1 via a conveyor 3 (arrow A) supplied and, for example, initially cleaned in the system and in a sterilizer 4 with a suitable treatment medium, including a heated or vaporized aerosol consisting of air and water peroxide (H 2 O 2 ) treated, then filled in a filling machine 5 with the contents and finally sealed in a capper 6, so that the filled and sealed bottles 2 then on the conveyor 7 another station ,
- a labeling can be supplied.
- the bottles move in a germ-free, sterile sealed to the outside space, which is formed by a corresponding housing.
- the sterilizer 4 as well as other individual machines, such as the filling machine 5 and the capping machine 6 and possibly an unillustrated rinser are designed as machines revolving design, resulting in the housing or at the separation between the sterile room and the non-sterile Space also Einhausungsübergange between each a rotating or rotating element and a stationary, ie non-rotating element.
- Such a transition is in the FIG. 2 illustrated by way of example and denoted by the arrow 8.
- siphon or labyrinth seals are provided there.
- Such a seal is in the FIG. 2 exemplified and generally designated 9.
- FIG. 2 a treatment head 10 of the sterilizer 4.
- This treatment head is provided on the upper side of a disk-like rotor 11 driven circumferentially around a vertical machine axis and has substantially the training known in the art, including with a nozzle tube 12 which extends over the underside of the rotor 11th projecting and for sterilization of the respective bottle 2 in this through their mouths 2.1 is inserted.
- the bottles 2 are each held on a bottle carrier 13, which is provided in the region of each treatment head 10 on the rotor 11.
- the lowering and raising of the nozzle tube is pneumatically by a provided in the housing of the treatment head 10 actuator (piston 14 and return spring 15).
- a helical channel 16 is further formed, which is traversed during the sterilization phase of the provided in a nozzle assembly 17 treatment or sterilization medium.
- the treatment head 10 is further sealed to the top of the disc-shaped rotor 11 so that only the nozzle tube 12 projects through a sealed opening 18 in the rotor 11 over the bottom of this rotor.
- the rotor 11 as well as a non-rotating with the rotor, i. fixed wall 19 to a machine frame 20 are parts of the housing, which separates a sterile space 21, which is formed below the rotor 11 and within the wall 19 and in which the bottles 2 move, from an outer, non-sterile space 22.
- a siphon or labyrinth seal 9 As already stated, at the transition 8 between the rotor 11 and the stationary wall element 19 there is a siphon or labyrinth seal 9.
- this essentially consists of a rotor 11 which does not encircle the machine frame 20 , the vertical axis of the rotor 11 concentrically enclosing ring 23, which forms an open at the top annular channel 24.
- this annular channel 24 extends from above an annular, the axis of the rotor 11 concentrically enclosing wall portion 25 into it, which is part of an attached to the circumference of the circular disk-shaped rotor 11 annular body 26.
- the annular channel 24 is filled to a level 27 with a barrier liquid, so that the wall portion 25 is immersed with a greater part of its axial length in this liquid and thereby the siphon or labyrinth seal 9 results.
- the barrier liquid consists for example of sterile or distilled water and has, in order to meet the hygienic requirements of the filling process, sterilizing, cleaning and germicidal properties, which is achieved in particular by maintaining a minimum concentration of a germicidal and sterilizing additive, for example H 2 O 2 becomes.
- the H 2 O 2 concentration is for example 35%.
- a sealing ring 28 provided with sealing lip 29 made of a suitable rubber-elastic material or elastomeric plastic.
- the sealing lip 29 of the, the axis of the rotor 11 concentrically enclosing seal ring 28 rests on an annular, the axis of the rotor 11 also concentrically enclosing sealing surface 30 which is provided on the rotor 11 remote from the radially outer side of the ring 23.
- the seal 28 cooperating with the sealing surface 30 forms an additional mechanical seal 31. It is essential that this seal 31 be provided between the siphon seal 9 and the non-sterile region 22, e.g. the environment is provided, i. the mechanical seal 31 shields the siphon or labyrinth seal 9 from the environment 22.
- the mechanical seal 31 u.a. prevents barrier or barrier liquid or the sterilization medium present in this liquid from entering the environment, and persons present in this environment, in particular also operating personnel, are at least adversely affected by the smell of the barrier fluid and / or are contaminated and / or endangered by this barrier fluid ,
- the barrier liquid is effectively protected against contamination and / or contamination of the environment 22 forth, so that the desired barrier effect is achieved with high security.
- annular channel 26 with the barrier fluid sufficient i. is filled to the level 27 and thus the portion 25 extends sufficiently deep into the barrier liquid.
- sealing liquid is constantly supplied to the annular channel 24 and this liquid is constantly removed via one or more outlets 33 from the annular channel 24.
- the outlets 33 are designed as overflows, so that this automatically, i. without a regulation the level 27 of the liquid level of the barrier liquid in the annular channel 24 sets.
- transitions 8 are provided between a peripheral part and a stationary part of the enclosure, for example in the area of the filling machine 5 and in the area of the capper 6.
- corresponding siphon or labyrinth seals are provided to the siphon or labyrinth seal 9, and in turn preferably each with an additional mechanical seal 31 on the outside, ie the environment facing side of the respective siphon seal.
- siphon seals 9 which are arranged, inter alia, machine-related at different levels, which serves in the FIG. 3 reproduced supply system.
- This includes, inter alia, a treatment and storage tank 34 for the fresh barrier liquid.
- This tank is supplied via control valves 36 and 37 controlled by a processor 35 H 2 O 2 and distilled and sterile water, depending on the required and monitored by a sensor 38 H 2 O 2 concentration (eg 35%) of the barrier liquid ,
- the supply tank 34 is connected to various ring or supply lines 41, which are each connected via a control valve 42 for adjusting the volume flow or the flow rate with the inlets 32 of the annular channel 24 of a siphon seal 9.
- the respective control valve 42 is set, for example, during commissioning or during a test run such that, despite the different height levels of the individual siphon seals 9 the annular channel 24 each siphon seal 9 sufficient fluid is flowing, not only to maintain the required level 27 of Liquid level of the barrier liquid in the respective annular channel 24, but also to achieve a sufficient replacement of the barrier liquid in the respective annular channel 24, among others also depending on the expected degree of contamination.
- With the respective control valve 42 is thus preferably a constant volume flow for the respective siphon seal 9 zuflie- touchde barrier liquid set.
- each annular channel 24 is connected to a common conduit 43 in which a flow meter 44 is provided and which leads to a buffer tank 45.
- the buffer tank 45 is level controlled drained, in a common for all siphon seals 9 ring or manifold 47 through which the barrier liquid by means provided in this manifold, additional pump 48 to the tank 34 is returned.
- a sensor or analysis unit 49 is provided, with which the H 2 O 2 content of the recirculated barrier liquid is analyzed, so then depending on the supplied from this sensor unit 49 Measured data on the processor 35, the addition of H 2 O 2 can be controlled, to maintain the required H 2 O 2 concentration.
- each siphon seal 9 By in the FIG. 3 shown supply system is, inter alia, ensures that all siphon seals 9 are sufficiently supplied with barrier fluid even at different height level and the barrier fluid in each siphon seal 9 also has the required H 2 O 2 concentration.
- a significant safety factor in this case forms the individually provided in the return line 43 of each siphon seal 9 flow meter 44.
- the flow meter 44 monitors that a sufficient amount of sealing liquid flows back through the outlets formed as overflow 33. Then, when the amount of barrier fluid flowing through the flowmeter 44 falls below a predetermined lower threshold value, a malfunction of the system 1 is visually and / or acoustically indicated on the basis of the measured data of the flowmeter 44 and / or the operation of the system 1 is stopped.
- the volumetric flow of the sealing liquid flowing back from the siphon seal is determined with the flow meter 44, for example, and then compared with the fixed value of the volumetric flow of the sealing liquid flowing into the respective siphon seal 9. If the difference exceeds a predetermined tolerance value, an error message is output which leads to the visual and / or acoustic error signal and / or causes an immediate production interruption. Basically, there is e.g. also the possibility of the flowmeter 44 in such a way that an error message is then caused when the volume flow of the back flowing from the respective siphon seal 9 sealing liquid falls below a predetermined threshold.
- siphon seals 9 also makes it possible to clean all the siphon seals 9 during the cleaning of the system 1 as part of a ClP cleaning (cleaning in place) and also to sterilize them in the context of a SIP sterilization (sterilization in place) , Especially in the field of cold aseptic filling, it is of particular importance, all internal, ie in the sterile room 21st regularly cleaned areas of a plant 1 and disinfect or sterilize.
- nozzles or nozzle orifices 50 and 51 which form a spray and disinfection device and on the respective siphon seal 9 and in particular its ring 23 including the annular channel 24 can be cleaned or rinsed with a cleaning liquid and then treated with a liquid disinfecting or sterilizing medium, for example with a higher concentration of hydrogen peroxide solution.
- the nozzle openings 50 and 51 are for this purpose connected to a corresponding system for supplying the cleaning and / or sterilization medium.
- the reaching into the annular channel 24 treatment medium flows through the outlets 33.
- outlets 52 are used to completely empty the respective annular channel 24th
- the nozzles or nozzle orifices 50 and 51 are provided on the rotating part, ie on the ring body 26 rotating with the rotor, so that with a relatively small amount of cleaning and disinfecting medium, a cleaning of the entire siphon seal 9 and in particular of the ring 23 with the annular channel 24 is possible.
Landscapes
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
- Package Closures (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Centrifugal Separators (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Dichtungsanordnung zum Abdichten eines Übergangs zwischen einem umlaufenden und einem ortsfesten Maschinenelement einer Anlage oder Vorrichtung zur Behandlung von Flaschen oder dergleichen Behältern, insbesondere zum Abdichten des Übergangszwischen einem umlaufenden und einem ortsfesten Teil einer einen sterilen Raum oder Bereich von einem nicht sterilen Raum oder Bereich trennenden Einhausung einer Anlage zum kaltaseptischen Abfüllen, gemäß Oberbegriff Patentanspruch 1.The invention relates to a sealing arrangement for sealing a transition between a rotating and a stationary machine element of a plant or apparatus for treating bottles or similar containers, in particular for sealing the transition between a circumferential and a stationary part of a sterile room or area of a non Sterile space or area separating enclosure of a system for cold aseptic filling, according to the preamble of
Die Erfindung bezieht sich weiterhin sowie auf eine Anlage oder Vorrichtung zum Behandeln von Flaschen oder dergleichen Behältern, insbesondere auf Anlage oder Vorrichtung zum kaltaseptischen Abfüllen, mit wenigstens einem Übergang zwischen einem umlaufenden und einem ortsfesten Maschinenelement sowie mit einer an dem Übergangvorgesehenen und die Relativbewegung zwischen den Maschinenelementen ermöglichenden Dichtungsanordnung, gemäß Oberbegriff Patentanspruch 14.The invention further relates to a plant or apparatus for treating bottles or similar containers, in particular plant or apparatus for cold aseptic filling, with at least one transition between a rotating and a stationary machine element and with a transition provided at the transition and the relative movement between the Machine elements enabling sealing arrangement, according to the preamble of
Anlagen zum kaltaseptischen Abfüllen eines flüssigen Füllgutes in Flaschen oder dergleichen Behälter, beispielsweise zum kaltaseptischen Abfüllen von hitzeempfindlichen Getränken (z.B. Fruchtsäften) sind in unterschiedlichsten Ausführungen bekannt. Die einzelnen, eine solche Anlage bildenden und in der Fertigungs- oder Behandlungslinie aneinander anschließenden Maschinen, wie z.B. Rinser, Sterilisator, Füllmaschine, Verschließer, sind mit Einhausungen versehen, und zwar derart, dass sich innerhalb der Anlage eine Förderstrecke für die Behälter oder Flaschen in einem sterilen Raum ergibt, der durch diese Einhausung gegenüber angrenzenden nicht sterilen Räumen oder Bereichen, beispielsweise der Umgebung insbesondere auch gegen ein Eindringen von Keimen abgedichtet ist.Installations for the cold aseptic filling of a liquid filling material into bottles or the like containers, for example for the cold aseptic filling of heat-sensitive beverages (for example fruit juices) are known in various designs. The individual machines forming such a plant and adjoining each other in the manufacturing or treatment line, such as e.g. Rinser, sterilizer, filling machine, capper, are provided with enclosures, in such a way that within the plant a conveyor line for the container or bottles in a sterile space results, through this enclosure against adjacent non-sterile rooms or areas, such as the environment in particular is also sealed against the penetration of germs.
U.a. bei Verwendung von Maschinen umlaufender Bauart, wie sie für Rinser, Sterilisatoren, Füllmaschinen und/oder Schließmaschinen üblich ist, weist eine solche Einhausung in der Regel mehrere Übergänge zwischen einem rotierenden oder umlaufenden Teil der Einhausung und einem ortsfesten Teil dieser Einhausung auf, sodass an diesen Bereichen speziellen Dichtungen erforderlich sind.Among other things, when using machines of rotating design, as is customary for rinsers, sterilizers, filling machines and / or closing machines, such housing usually has several transitions between a rotating or rotating Part of the enclosure and a fixed part of this enclosure, so that in these areas special seals are required.
Bekannt ist es (
Um die angestrebte Dichtungs- und Sperrwirkung zu erreichen, ist es erforderlich, dass der Spiegel der Sperrflüssigkeit in dem jeweiligen Ringkanal ein vorgegebenes Niveau nicht unterschreitet. Bei der bekannten Maschine ist hierfür jeder Siphon-Dichtung ein eigenständiger Pufferbehälter für die Sperrflüssigkeit zugeordnet, der über eine Leitung mit dem Ringkanal der Siphon-Dichtung nach Art von kommunizierenden Röhren verbunden ist. Durch einen elektronischen Regelkreis mit einem Füllstandssensor im Pufferbehälter und einem Steuerventil in einer Versorgungsleitung wird der dortige Flüssigkeitsspiegel der Sperrflüssigkeit auf einem vorgegebenen Niveau gehalten, sodass auch der Flüssigkeitsspiegel der Sperrflüssigkeit in dem Ringkanal der zugehörigen Siphon-Dichtung das vorgegebene Niveau aufweist.In order to achieve the desired sealing and blocking effect, it is necessary that the level of the barrier liquid in the respective annular channel does not fall below a predetermined level. In the known machine each siphon seal for this purpose is assigned an independent buffer container for the barrier liquid, which is connected via a line to the annular channel of the siphon seal in the manner of communicating tubes. By an electronic control circuit with a level sensor in the buffer tank and a control valve in a supply line of the liquid level of the barrier liquid is maintained at a predetermined level, so that the liquid level of the barrier liquid in the annular channel of the associated siphon seal has the predetermined level.
Konstruktionsbedingt sind an einer Anlage zum kaltaseptischen Abfüllen derartige Siphon-Dichtungen auf unterschiedlichem Niveau notwendig, sodass bei der bekannten Anlage zumindest für jedes Niveau ein eigenständiger Pufferbehälter mit Regelkreis und den zugehörigen Komponenten (Sensoren, Steuerventilen usw.) notwendig ist, was einen erheblichen konstruktiven Aufwand bedeutet.Due to the design of such a siphon seals at different levels are necessary in a system for cold aseptic filling, so that in the known system at least for each level an independent buffer tank with control circuit and the associated components (sensors, control valves, etc.) is necessary, which is a considerable design effort means.
Nachteilig ist bei der bekannten Anlage u.a. auch, dass die jeweilige Siphon-Dichtung sowohl zum sterilen Raum oder Bereich, als auch zum nicht sterilen Raum oder Bereich hin freiliegt, sodass z.B. Verschmutzungen der Dichtungs- oder Sperrflüssigkeit durch Einflüsse aus dem nicht sterilen Raum oder aber durch Einflüsse aus dem sterilen Raum, z.B. durch das flüssige Füllgut ebenso wenig auszuschließen sind, wie z.B. Geruchsbelästigungen und/oder Verletzungen von Personen (Bedienungspersonal) durch die Sperrflüssigkeit.A disadvantage of the known plant u.a. also that the respective siphon seal is exposed both to the sterile space or area and to the non-sterile space or area, e.g. Contamination of the sealing or sealing fluid by influences from the non-sterile space or by influences from the sterile room, e.g. can not be excluded by the liquid contents just as little, such. Odor nuisance and / or injury to persons (operating personnel) by the barrier fluid.
Aufgabe der Erfindung ist es, eine Dichtungsanordnung aufzuzeigen, die derartige Nachteile vermeidet. Zur Lösung dieser Aufgabe ist eine Dichtungsanordnung entsprechend dem Patentanspruch 1 ausgebildet. Eine Anlage oder Vorrichtung zum Behandeln von Flaschen oder dergleichen Behälter mit wenigstens einer, bevorzugt aber mit mehreren derartigen Dichtungsanordnungen ist Gegenstand des Patentanspruches 14.The object of the invention is to show a seal arrangement which avoids such disadvantages. To solve this problem, a seal assembly according to
Die erfindungsgemäße Dichtungsanordnung ist bei Anlagen zum Behandeln von Flaschen oder dergleichen Behältern überall dort besonders vorteilhaft verwendbar, wo eine Abdichtung zwischen einem umlaufenden Teil oder Element und einem ortsfesten Teil oder Element der betreffenden Anlage erforderlich ist, insbesondere aber am Übergang zwischen einem umlaufenden und einem ortsfesten Teil einer Maschine oder Anlage zum kaltaseptischen Abfüllen eines flüssigen Füllgutes in Flaschen oder dergleichen Behälter.The seal assembly according to the invention is particularly advantageous in systems for treating bottles or similar containers everywhere where a seal between a rotating part or element and a stationary part or element of the relevant system is required, but especially at the transition between a rotating and a stationary Part of a machine or plant for cold aseptic filling of a liquid filling material in bottles or similar containers.
Bei der Erfindung ist am Übergangzwischen dem umlaufenden oder rotierenden Teil der Einhausung und dem ortsfesten Teil der Einhausung zusätzlich wenigstens eine mechanische Dichtung vorgesehen, die dann aus einem sich entlang der Siphon-Dichtung erstreckenden Dichtungselement an einem der Einhausung besteht, welches mit einer Dichtungsfläche am anderen Teil der Einhausung zusammenwirkt. Bevorzugt ist hierbei diese mechanische Dichtung an der dem nicht sterilen Bereich zugewandten Seite der Siphon-Dichtung vorgesehen, sodass die Siphon-Dichtung durch die mechanische Dichtung gegenüber dem nicht sterilen Bereich abgeschirmt ist. Hierdurch ergeben sich mehrere weitere Vorteile. So ist durch diese mechanische Dichtung dann der direkte Kontakt der Sperrflüssigkeit mit dem nicht sterilen Bereich bzw. mit der dortigen Luft vermieden, wodurch insbesondere die Verkeimung und/oder Verschmutzung der Sperrflüssigkeit reduziert wird. Weiterhin wird auch ein Auftreten von Sperrflüssigkeit und/oder des in dieser Flüssigkeit vorhandenen Sterilisationsmediums in den nicht sterilen Bereich verhindert und damit insbesondere auch Beeinträchtigungen, beispielsweise Geruchsbelästigungen für Personen, beispielsweise Bedienungspersonal, welche sich in dem nicht sterilen Bereich aufhalten.In the invention, at least one mechanical seal is provided at the transition between the rotating or rotating part of the housing and the stationary part of the housing, which then consists of a sealing element extending along the siphon seal on one of the housings, which has a sealing surface on the other Part of the housing cooperates. In this case, this mechanical seal is preferably provided on the side of the siphon seal facing the non-sterile region, so that the siphon seal is shielded from the non-sterile region by the mechanical seal. This results in several other advantages. Thus, the direct contact of the barrier liquid with the non-sterile area or with the local air is avoided by this mechanical seal, which in particular the microbial contamination and / or contamination of the barrier liquid is reduced. Furthermore, an occurrence of barrier fluid and / or the present in this liquid sterilization medium in the not Sterile area prevents and thus in particular impairments, such as odor nuisance for persons, such as operating personnel, who are in the non-sterile area.
Bei einer Anlage zum kaltaseptischen Abfüllen sind in der Regel mehrere Dichtungsanordnungen mit mechanischer Dichtung und Siphon-Dichtung, auf unterschiedlichem Niveau jeweils an den Übergängenzwischen einem umlaufenden oder rotierenden Teil der Einhausung und einem ortsfesten Teil der Einhausung vorgesehen. Sämtliche Siphon-Dichtungen bzw. deren Ringkanäle werden dann aus einem gemeinsamen Vorrats- oder Versorgungsbehälter oder Reservoir ständig mit Sperrflüssigkeit versorgt, und zwar beispielsweise über eine gemeinsame Pumpe und über den einzelnen Siphon-Dichtungen individuell zugeordneten Mittel zum Einstellen oder Regeln des Volumenstroms der der jeweiligen Siphon-Dichtung zufließenden Sperrflüssigkeit. Da der wenigstens eine Auslass des jeweiligen Ringkanals als Überlauf ausgeführt ist, stellt sich ohne die Notwendigkeit eines elektronischen Regelkreises in jedem Ringkanal selbstständig das notwendige Niveau des Flüssigkeitsspiegels der Sperrflüssigkeit ein.In a system for cold aseptic filling are usually provided several seal assemblies with mechanical seal and siphon seal, at different levels, respectively at the transitions between a rotating or rotating part of the housing and a stationary part of the enclosure. All siphon seals or their annular channels are then constantly supplied with barrier liquid from a common supply or supply tank or reservoir, for example via a common pump and individually associated with the individual siphon seals means for adjusting or regulating the flow rate of the respective Siphon seal inflowing barrier fluid. Since the at least one outlet of the respective annular channel is designed as an overflow, the necessary level of the liquid level of the barrier liquid automatically arises in each annular channel without the need for an electronic control loop.
Durch die in der Zuführung bzw. in den Versorgungsleitungen der Siphon-Dichtungen individuell vorgesehenen Mittel zur Einstellung oder Regelung des Volumenstromes werden hydrostatische Unterschiede, die sich durch das unterschiedliche Höhenniveau der verschiedenen Siphon-Dichtungen ergeben, ausgeglichen. Bevorzugt sind diese Mittel zum Einstellen und Regeln des Volumenstroms von Einstellventilen gebildet, die beispielsweise bei Inbetriebnahme der Anlage einmal eingestellt werden. Durch die Einstellung des Volumenstromes der Sperrflüssigkeit kann auch unterschiedlichen Verschmutzungsbedingungen an den einzelnen Siphon-Dichtungen Rechnung getragen werden, d.h. der Volumenstrom an solche Siphon-Dichtungen, an denen die Sperrflüssigkeit durch die Ausbildung und/oder Anordnung der betreffenden Dichtung und/oder durch äußerer Einflüsse einer höheren Verschmutzung oder Verkeimung unterliegt, wird höher eingestellt als an solche Siphon-Dichtungen, an denen der Grad der Verschmutzung geringer ist.The individually provided in the supply or in the supply lines of the siphon seals means for adjusting or regulating the flow hydrostatic differences that result from the different height level of the various siphon seals balanced. Preferably, these means for adjusting and regulating the volume flow of adjusting valves are formed, which are set once, for example, when commissioning the system. By adjusting the volume flow of the barrier liquid and different pollution conditions at the individual siphon seals can be accommodated, i. the volume flow of such siphon seals, where the barrier liquid is subject to the formation and / or arrangement of the relevant seal and / or external influences of higher pollution or contamination, is set higher than those siphon seals, in which the degree of Pollution is lower.
Um eventuell auftretenden Fehler im Versorgungssystem zur Versorgung der Siphon-Dichtungen mit der Dichtungs- oder Sperrflüssigkeit sofort zu erkennen und im Falle eines Fehlers entsprechende Maßnahmen, beispielsweise die Absetzung einer Fehlermeldung und/oder die Unterbrechung des Füllprozesses zu veranlassen, ist in dem Sperrflüssigkeitsrücklauf jeder Siphon-Dichtung ein Durchflussmesser angeordnet, der entweder den Volumenstrom der zurückfließenden Sperrflüssigkeit tatsächlich ermittelt und mit dem Volumenstrom der der betreffenden Siphon-Dichtung zugeflossenen Sperrflüssigkeit vergleicht, sodass bei einem eine zulässige Toleranzgrenze übersteigenden Unterschied die Fehlermeldung und/oder die Produktionsunterbrechung veranlasst werden oder aber die Fehlermeldung und/oder die sofortige Produktionsunterbrechung werden dann veranlasst, wenn von dem betreffenden Durchflussmesser keine rückfließende Sperrflüssigkeit festgestellt wird oder aber der von dem Durchflussmesser ermittelte Volumenstrom unter einem vorgegebenen Schwellwert liegt.To immediately detect any errors in the supply system for supplying the siphon seals with the sealing or sealing liquid and to take appropriate action in case of failure, such as the discontinuation of an error message and / or the interruption of the filling process, is in the barrier fluid return each siphon Seal arranged a flow meter, the either actually determines the volume flow of the backflowing barrier liquid and compares it with the volume flow of the barrier liquid supplied to the respective siphon seal, so that the error message and / or the production interruption are caused by a difference exceeding a permissible tolerance limit or else the error message and / or the immediate production interruption then caused when the flowmeter concerned no return flowing barrier fluid is detected or the flow rate determined by the flow meter is below a predetermined threshold.
Eine Niveauregelung des Flüssigkeitsspiegels der Sperrflüssigkeit in den Siphon-Dichtungen ist bei der erfindungsgemäßen weder vorgesehen noch erforderlich. Hierdurch ergibt sich eine wesentliche Vereinfachung der Konstruktion und darüber hinaus eine wesentlich verbesserte Betriebssicherheit, da das Niveau des Flüssigkeitsspiegels regelnde elektronische Regelkreise vermieden sind.A level control of the liquid level of the barrier liquid in the siphon seals is neither provided nor required in the invention. This results in a significant simplification of the design and beyond a much improved reliability, since the level of the liquid level regulating electronic control circuits are avoided.
Bei einer weiteren Ausführungsform der Erfindung ist die wenigstens eine Siphon-Dichtung mit wenigstens einer Austrittsöffnung oder -düse für ein Reinigungs- oder Sterilisationsmedium versehen, sodass diese Dichtung bzw. deren Ringkanal dann in einer CIP-Reinigung oder SIP-Sterilisation gereinigt und/oder sterilisiert werden kann, was insbesondere bei einer Anlage mit einer Vielzahl von an Einhausungsübergängen vorgesehenen Siphon-Dichtungen von großem Vorteil ist, insbesondere werden die Reinigung und Sterilisation der Siphon-Dichtungen einer Anlage mit einer Vielzahl solcher Dichtungen wesentlich vereinfacht und können mit geringem Zeitaufwand durchgeführt werden..In a further embodiment of the invention, the at least one siphon seal is provided with at least one outlet opening or nozzle for a cleaning or sterilizing medium, so that this seal or its annular channel is then cleaned and / or sterilized in a CIP cleaning or SIP sterilization can be, which is particularly in a plant with a variety of provided on Einhausungsübergängen siphon seals of great advantage, in particular, the cleaning and sterilization of the siphon seals a system with a variety of such seals are much easier and can be carried out in little time. ,
Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche. Die Erfindung wird im Folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert.Further developments of the invention are the subject of the dependent claims. The invention will be explained in more detail below with reference to the figures of an embodiment.
Es zeigen:
- Fig. 1
- in sehr vereinfachter Blockdarstellung mehrere zu einer Anlage zusammengestellte Einzelmaschinen für eine kaltsterile oder kaltaseptische Abfüllung eines Füllgutes in Flaschen;
- Fig. 2
- in Teildarstellung einen der Behandlungs- bzw. Sterilisationsköpfe einer Vorrichtung oder Einzelmaschine (Sterilisator) zum Sterilisieren der Flaschen, zusammen mit einer einen sterilen Raum von einem nicht sterilen Raum, z.B. derUmgebung trennenden Siphon- oder Labyrinth-Dichtung an einem Einhausungsübergang
- Fig. 3
- ein Versorgungssystem zur Versorgung mehrerer Siphon- und Labyrinth-Dichtungen mit der erforderlichen Dicht- oder Sperrflüssigkeit
- Fig. 4
- eine Darstellung wie
Figur 2 , jedoch in einer Ausführung für eine CIP-Reinigung und/oder SIP-Sterilisation der Siphon- bzw. Labyrinth-Dichtung;
- Fig. 1
- in a very simplified block diagram of several assembled to form a single machines for cold-sterile or cold aseptic filling of a filling in bottles;
- Fig. 2
- a partial representation of one of the treatment or sterilization heads of a device or single machine (sterilizer) for sterilizing the bottles, together with a siphon or labyrinth seal separating a sterile space from a non-sterile space, eg the environment, at a housing transition
- Fig. 3
- a supply system to supply multiple siphon and labyrinth seals with the required sealing or barrier fluid
- Fig. 4
- a representation like
FIG. 2 but in one embodiment for CIP cleaning and / or SIP sterilization of the siphon or labyrinth seal;
Die in der
Innerhalb der Anlage 1 bewegen sich die Flaschen in einem keimfreien, nach Außen steril abgedichteten Raum, der durch eine entsprechende Einhausung gebildet ist. Da aber der Sterilisator 4 ebenso wie andere Einzelmaschinen, z.B. die Füllmaschine 5 und die Verschließmaschine 6 sowie eventuell ein nicht dargestellter Rinser als Maschinen umlaufender Bauart ausgebildet sind, ergeben sich im Bereich der Einhausung bzw. an der Trennung zwischen dem sterilen Raum und dem nicht sterilen Raum auch Einhausungsübergange zwischen jeweils einem rotierenden oder umlaufenden Element und einem ortsfesten, d.h. nicht umlaufenden Element. Ein derartiger Übergang ist in der
Im Detail zeigt die
Der Rotor 11 sowie auch eine mit dem Rotor nicht umlaufende, d.h. feststehende Wandung 19 an ein Maschinengestell 20 sind Teile der Einhausung, die einen sterilen Raum 21, der unterhalb des Rotors 11 und innerhalb der Wandung 19 gebildet ist und in welchem sich die Flaschen 2 bewegen, von einem äußeren, nicht sterilen Raum 22 trennt. An dem Übergang 8 zwischen dem Rotor 11 und dem ortsfesten Wandelement 19 befindet sich, wie bereits ausgeführt eine Siphon- bzw. Labyrinth-Dichtung 9. Diese besteht bei der dargestellten Ausführungsform im Wesentlichen aus einem mit dem Rotor 11 nicht umlaufenden, am Maschinengestell 20 vorgesehenen, die vertikale Achse des Rotors 11 konzentrisch umschließenden Ring 23, der einen an der Oberseite offenen Ringkanal 24 bildet. In diesen Ringkanal 24 reicht von oben her ein kreisringförmiger, die Achse des Rotors 11 konzentrisch umschließender Wandabschnitt 25 hinein, der Bestandteil eines am Umfang des kreisscheibenförmigen Rotors 11 befestigten Ringkörpers 26 ist.The
Zum sterilen Abdichten des Raumes 21 gegenüber der Umgebung 22 ist der Ringkanal 24 bis zu einem Niveau 27 mit einer Sperrflüssigkeit gefüllt, sodass der Wandabschnitt 25 mit einem größeren Teil seiner axialen Länge in diese Flüssigkeit eingetaucht ist und sich hierdurch die Siphon- oder Labyrinth-Dichtung 9 ergibt.For sterile sealing of the
Die Sperrflüssigkeit besteht beispielsweise aus sterilem bzw. destilliertem Wasser und besitzt, um den hygienischen Anforderungen des Füllprozesses Rechnung zu tragen, sterilisierende, reinigende und keimtötende Eigenschaften, was insbesondere durch Einhaltung einer Mindestkonzentration an einem keimtötenden und sterilisierenden Zusatz, beispielsweise an H2O2 erreicht wird. Die H2O2-Konzentration beträgt beispielsweise 35 %.The barrier liquid consists for example of sterile or distilled water and has, in order to meet the hygienic requirements of the filling process, sterilizing, cleaning and germicidal properties, which is achieved in particular by maintaining a minimum concentration of a germicidal and sterilizing additive, for example H 2 O 2 becomes. The H 2 O 2 concentration is for example 35%.
Am Ringkörper 26 ist bezogen auf die Achse des Rotors 11 radial außen liegend ein Dichtungsring 28 mit Dichtungslippe 29 aus einem geeigneten gummielastischen Material oder elastomeren Kunststoff vorgesehen. Die Dichtungslippe 29 des, die Achse des Rotors 11 konzentrisch umschließenden Dichtungsrings 28 liegt auf einer ringförmigen, die Achse des Rotors 11 ebenfalls konzentrisch umschließenden Abdichtfläche 30 auf, die an der dem Rotor 11 abgewandten, radial außen liegenden Seite des Ringes 23 vorgesehen ist. Die mit der Abdichtfläche 30 zusammenwirkende Dichtung 28 bildet eine zusätzliche mechanische Dichtung 31. Wesentlich hierbei ist, dass diese Dichtung 31 zwischen der Siphon- bzw. Labyrinth-Dichtung 9 und dem nicht sterilen Bereich 22, z.B. der Umgebung vorgesehen ist, d.h. die mechanische Dichtung 31 die Siphon- bzw. Labyrinth-Dichtung 9 gegenüber die Umgebung 22 abschirmt.On the
Durch die mechanische Dichtung 31 wird u.a. verhindert, dass Sperr- oder Sperrflüssigkeit oder das in dieser Flüssigkeit vorhandene Sterilisationsmedium in die Umgebung gelangt und dadurch sich in dieser Umgebung aufhaltende Personen, insbesondere auch Bedienungspersonal, zumindest durch den Geruch der Sperrflüssigkeit beeinträchtigt und/oder durch diese Sperrflüssigkeit verschmutzt und/oder gefährdet werden.By the
Durch die mechanische Dichtung 31 ist die Sperrflüssigkeit gegen Verschmutzung und/oder Verkeimung von der Umgebung 22 her wirksam geschützt, sodass die angestrebte Sperrwirkung mit hoher Sicherheit erreicht wird.By the
Wesentlich für die Erzielung der gewünschten Sperrwirkung ist u.a., dass der Ringkanal 26 mit der Sperrflüssigkeit ausreichend, d.h. bis zu dem Niveau 27 gefüllt ist und somit der Abschnitt 25 ausreichend tief in die Sperrflüssigkeit hineinreicht. Dies wird dadurch sichergestellt, dass während des Füllbetriebes über einen oder mehrere Einlässe 32 Sperrflüssigkeit dem Ringkanal 24 ständig zugeführt wird und diese Flüssigkeit über einen oder mehrere Auslässe 33 ständig aus dem Ringkanal 24 abgeführt wird. Die Auslässe 33 sind als Überläufe ausgeführt, sodass sich hierdurch selbsttätig, d.h. ohne eine Regelung das Niveau 27 des Flüssigkeitsspiegels der Sperrflüssigkeit im Ringkanal 24 einstellt.Essential for achieving the desired barrier effect is, inter alia, that the
Im Bereich der Anlage 1 sind mehrere Übergänge 8 zwischen einem umlaufenden Teil und einem ortsfesten Teil der Einhausung vorgesehen, und zwar beispielsweise im Bereich der Füllmaschine 5 und im Bereich des Verschließers 6. An allen diesen Übergängen 8 sind der Siphon- bzw. Labyrinth-Dichtung 9 entsprechende Siphon- oder Labyrinth-Dichtungen vorgesehen, und zwar bevorzugt wiederum mit jeweils einer zusätzlichen mechanischen Dichtung 31 an der außen liegenden, d.h. der Umgebung zugewandten Seite der jeweiligen Siphon-Dichtung 9.In the area of the
Zur Versorgung sämtlicher Siphon-Dichtungen 9, die u.a. maschinenbedingt auf unterschiedlichem Niveau angeordnet sind, dient das in der
Der Versorgungstank 34 ist an verschiedene Ring- oder Versorgungsleitungen 41 angeschlossen, die jeweils über ein Regelventil 42 zur Einstellung des Volumenstroms bzw. der Durchflussmenge mit den Einlässen 32 des Ringkanals 24 einer Siphon-Dichtung 9 verbunden sind. Das jeweilige Regelventil 42 wird dabei beispielsweise bei Inbetriebnahme oder bei einem Probelauf derart eingestellt, dass trotz des unterschiedlichen Höhenniveaus der einzelnen Siphon-Dichtungen 9 dem Ringkanal 24 jeder Siphon-Dichtung 9 ausreichend Sperrflüssigkeit zufließt, und zwar nicht nur zur Einhaltung des erforderlichen Niveaus 27 des Flüssigkeitsspiegels der Sperrflüssigkeit in dem jeweiligen Ringkanal 24, sondern auch zur Erzielung eines ausreichenden Austauschs der Sperrflüssigkeit in dem jeweiligen Ringkanal 24, u.a. auch in Abhängigkeit von dem zu erwartenden Verschmutzungsgrad. Mit dem jeweiligen Regelventil 42 wird somit bevorzugt ein konstanter Volumenstrom für die der jeweiligen Siphon-Dichtung 9 zuflie-ßende Sperrflüssigkeit eingestellt.The
Die Auslässe 33 jedes Ringkanals 24 sind mit einer gemeinsamen Leitung 43 verbunden, in welcher ein Durchflussmesser 44 vorgesehen ist und die zu einem Puffertank 45 führt. Überein am Auslass des Puffertanks 45 vorgesehenes Steuerventil 46 wird der Puffertank 45 niveaugesteuert entleert, und zwar in eine für sämtliche Siphon-Dichtungen 9 gemeinsame Ring- oder Sammelleitung 47, über die die Sperrflüssigkeit mittels einer in dieser Sammelleitung vorgesehene, zusätzlichen Pumpe 48 an den Tank 34 zurückgeführt wird. In der Sammelleitung 47 ist eine Sensor- oder Analyseeinheit 49 vorgesehen, mit der der H2O2-Gehalt der rückgeführten Sperrflüssigkeit analysiert wird, sodass dann in Abhängigkeit von den von dieser Sensoreinheit 49 gelieferten Messdaten über den Prozessor 35 die Zugabe an H2O2 gesteuert werden kann, und zwar zur Aufrechterhaltung der erforderlichen H2O2-Konzentration.The
Durch das in der
Hierfür wird mit dem Durchflussmesser 44 beispielsweise der Volumenstrom der von der Siphon-Dichtung zurückfließenden Sperrflüssigkeit ermittelt und dann mit dem festen Wert des Volumenstroms der der jeweiligen Siphon-Dichtung 9 zufließenden Sperrflüssigkeit verglichen. Bei einer über einen vorgegebenen Toleranzwert hinausgehenden Differenz wird eine Fehlermeldung abgesetzt, die zu dem optischen und/oder akustischen Fehlersignal führt und/oder eine sofortige Produktionsunterbrechung veranlasst. Grundsätzlich besteht z.B. auch die Möglichkeit, den Durchflussmesser 44 so auszubilden, dass eine Fehlermeldung dann veranlasst wird, wenn der Volumenstrom der von der jeweiligen Siphon-Dichtung 9 zurückfließenden Sperrflüssigkeit einen vorgegebenen Schwellwert unterschreitet.For this purpose, the volumetric flow of the sealing liquid flowing back from the siphon seal is determined with the
Vorstehend wurde davon ausgegangen, dass die rückgeführte Sperrflüssigkeit nach dem Passieren der Sensoreinheit 49 wieder in den Tank 34 gelangt. Grundsätzlich besteht auch die Möglichkeit eine weitere Aufbereitung der Sperrflüssigkeit vorzusehen, bevor diese dann in den Tank 34 zurückgeführt wird.It has been assumed above that the recirculated barrier liquid returns to the
Die beschriebene Ausbildung der Siphon-Dichtungen 9 gestattet es auch, beim Reinigen der Anlage 1 sämtliche Siphon-Dichtungen 9 im Rahmen einer ClP-Reinigung (cleaning in place) zu reinigen sowie im Rahmen einer SIP- Sterilisation (sterilisation in place) zusätzlich zu sterilisieren. Gerade im Bereich der kaltaseptischen Abfüllung ist es von besonderer Bedeutung, sämtliche innen liegenden, d.h. im sterilen Raum 21 befindlichen Bereiche einer Anlage 1 regelmäßig zu reinigen und zu desinfizieren bzw. sterilisieren.The described construction of the siphon
Für die CIP-Reinigung bzw. SIP-Sterilisation sind entsprechend der
Bei der dargestellten Ausführungsform sind die Düsen bzw. Düsenöffnungen 50 und 51 an dem rotierenden Teil, d.h. an dem mit dem Rotor umlaufenden Ringkörper 26 vorgesehen, sodass mit einer relativ geringen Menge an Reinigungs- und Desinfektionsmedium eine Reinigung der gesamten Siphon-Dichtung 9 und insbesondere des Ringes 23 mit dem Ringkanal 24 möglich ist.In the illustrated embodiment, the nozzles or
- 11
- Anlage zur aseptischen KaltabfüllungPlant for aseptic cold filling
- 22
- Flaschebottle
- 33
- Transporteurcarrier
- 44
- Sterilisatorsterilizer
- 55
- Füllmaschinefilling Machine
- 66
- Verschließercapper
- 77
- Transporteurcarrier
- 88th
- Übergangzwischen einem umlaufenden und einem ortsfesten Teil der EinhausungTransition between a circumferential and a stationary part of the enclosure
- 99
- Siphon- oder Labyrinth-DichtungSiphon or labyrinth seal
- 1010
- Behandlungskopftreatment head
- 1111
- Rotorrotor
- 1212
- Düsenrohrnozzle tube
- 1313
- Flaschen- oder BehälterträgerBottle or container carrier
- 1414
- Kolbenpiston
- 1515
- RückstellfederReturn spring
- 1616
- Kanalchannel
- 1717
- Düsenanordnungnozzle assembly
- 1818
- Öffnungopening
- 1919
- Wandelementwall element
- 2020
- Maschinenrahmenmachine frame
- 2121
- steriler Raumsterile room
- 2222
- nicht steriler Raum bzw. Umgebungnon-sterile room or environment
- 2323
- Ringring
- 2424
- Ringkanalannular channel
- 2525
- Ringabschnittring section
- 2626
- Ringkörperring body
- 2727
- Niveau der Dichtungs- oder SperrflüssigkeitLevel of sealing or sealing fluid
- 2828
- Dichtungsringsealing ring
- 2929
- Dichtungslippesealing lip
- 3030
- Abdichtflächesealing
- 3131
- mechanische Dichtungmechanical seal
- 3232
- Einlassinlet
- 3333
- Auslassoutlet
- 3434
- Tanktank
- 3535
- Prozessorprocessor
- 36, 3736, 37
- Steuerventilcontrol valve
- 3838
- Sensorsensor
- 3939
- Pumpepump
- 4040
- Verteilerdistributor
- 4141
- Versorgungsleitungsupply line
- 4242
- StromregelventilFlow control valve
- 4343
- Rückleitungreturn
- 4444
- DurchflussmesserFlowmeter
- 4545
- Puffertankbuffer tank
- 4646
- Steuerventilcontrol valve
- 4747
- Sammelleitungmanifold
- 4848
- Pumpepump
- 4949
- Sensoreinheitsensor unit
- 50, 5150, 51
- Austrittsöffnung oder Düse für Reinigungs- oder SterilisierungsmediumOutlet or nozzle for cleaning or sterilizing medium
- 5252
- Auslassoutlet
- AA
- Transportrichtungtransport direction
Claims (26)
- Sealing arrangement for the sealing of a intersection (8) between a rotating and a fixed machine element (11; 19, 20 ) of an installation(1) or device for the handling of bottles or similar containers (2), in particular for the sealing-off of the intersection (8) between a rotating and a fixed part of an enclosure of an installation for cold-aseptic filling separating a sterile space or area (21) from a non-sterile space or area(22) with a siphon seal (9), enabling a relative movement between the machine elements (11. 19), which has an annular channel (24) concentrically enclosing one axis of rotating machine element (11) for containing a blocking or sealing liquid on a machine element (19, 20) and at least one annular wall section (15) on the other machine element (11) extending into the annular channel and into the sealing liquid that is there.
characterized in that,
at least one side of the (at least) one siphon seal (9) is fitted with a mechanical seal (31) that bypasses the intersection (8) with at least one sealing element (28) on the rotating and /or fixed machine element (11; 19, 20) and with at least one sealing surface (30) on the fixed and/or rotating machine element (19, 20; 11) that interacts with the sealing element (30). - Sealing arrangement as per Claim 1, characterized in that the mechanical seal (31) is provided on the side of the (at least) one siphon seal (9) that faces the non-sterile space or area.
- Sealing arrangement as per Claim 1 or 2, characterized in that the (at least) one mechanical seal (31) is provided on the side of the (at least) one siphon seal (9) on the side that faces the sterile space or area (21).
- Sealing arrangement as per one of the aforementioned claims, characterized in that the (at least) one mechanical seal (31) encloses the (at least) one siphon seal (9).
- Sealing arrangement as per one of the aforementioned claims, characterized in that the (at least) one mechanical seal (31) is enclosed by the (at least) one siphon seal.
- Sealing arrangement as per one of the aforementioned claims, characterized in that at least one sealing element is a seal ring (28).
- Sealing arrangement as per one of the aforementioned claims, characterized in that at least one sealing element has at least one sealing lip (29) that interacts with the sealing surface (30).
- Sealing arrangement as per one of the aforementioned claims, characterized in that the (at least) one annular channel (24) has at least one inlet point (32) and at least one outlet point (33) for the sealing liquid.
- Sealing arrangement as per Claim 8, characterized in that the (at least) one outlet point(33) is designed as an adjusting overflow for the level of the sealing liquid (27).
- Sealing element as per one of the aforementioned claims, characterized in that there is at least one outlet point or nozzle (50, 51) for a means of cleaning and/or sterilization of the sealing arrangement and in particular of the (at least) one siphon seal (9) in a CIP (Cleaning in Place) cleaning and/or SIP (Sterilization in Place) sterilization process.
- Sealing arrangement as per Claim 10, characterized in that the (at least) one outlet point or nozzle (50, 51) is fitted on the rotating machine element (11).
- Sealing arrangement as per Claim 10 or 11, characterized in that the (at least) one outlet point or nozzle is provided on one element (26) of the siphon seal (9), preferably on one of the elements of the siphon seal to be mounted on the rotating machine element (11).
- Sealing arrangement as per one of the Claims 10 to 12, characterized in that there is (at least) one outlet point opening or nozzle (50, 51) that is positioned opposite to the (at least) one annular channel (24) of the (at least ) one siphon seal (9) and or to the element (23) of the siphon seal (9).
- Assembly or device for the handling of bottles or similar containers (2), with at least one intersection (8), between the rotating machine element (11) and a fixed machine element (19, 20) and with a sealing arrangement fitted on the intersection and enabling the interaction between the machine elements, characterized in that the sealing arrangement is designed in accordance with one of the aforementioned claims.
- Assembly as per Claim 14, characterized in that with an assembly for the cold-aseptic filling with a liquid product of bottles or similar containers (2), which are the machine element parts (11, 19) forming the intersection (8) of an enclosure separating a sterile space or area (21) from at least one non-sterile space or area.
- Assembly as per Claim 14 or 15, characterized in that the (at least) one inlet point of the (at least) one annular channel (24) of the respective siphon seal (9) is connected to a reservoir (34), from which sealing liquid is constantly fed to the annular channel (24).
- Assembly as per Claim 16, characterized by a flow meter (44) on the (at least) one outlet point of the respective annular channel(24) designed as an overflow, whereby the draining volume flow of the sealing liquid from the annular channel (24) is run through the flow meter (44) for monitoring by the latter.
- Assembly as per Claim 17, characterized in that the flow meter (44) serves to generate a measuring signal, which then triggers an error message and/or an immediate interruption of production, if the back-flowing volume flow from the (at least) one annular channel (26) does not correspond to the volume flow of the inflowing sealing liquid to the (at least) one annular channel (26) and/or the back-flowing volume flow is less than a preset threshold value.
- Assembly as per one of aforementioned claims, characterized in that a means for adjusting or controlling of the (at least) one siphon seal (9) inflowing volume-flow of the sealing liquid to the (at least) one siphon seal (9) is provided in a supply line (41) connected to the (at least) one inlet point (32) of the (at least) one siphon seal (9).
- Assembly as per one of the aforementioned claims, characterized by there being at least one sensor unit (40) for the constant analysis of the back-flowing sealing liquid, in particular for the determining of the concentration of a sterilization medium in the sealing liquid, via which the back-flowing sealing liquid gets into the reservoir (4) or to a device for preparing the sealing liquid.
- Assembly as per one of the aforementioned claims, characterized by several sealing arrangements on respectively one intersection between a rotating and a fixed machine element (11, 19) each having at least one siphon seal (9), whereby all of the siphon seals (9) are supplied with the sealing liquid from one common reservoir (34).
- Assembly as per Claim 21 characterized in that the means for adjusting and/or controlling of the flow volume of the inflowing sealing liquid are provided independently in the supply line (41) of each siphon seal.
- Assembly as per Claim 21 or 22, characterized in that a common pump (39) is assigned to all of the siphon seals (9) or groups of such seals.
- Assembly as per one of the aforementioned claims characterized in that its own flow meter (44) is fitted to the (at least) one outlet point (33) or to the return flow of each siphon seal connected to this outlet point (33).
- Assembly as per one of the aforementioned claims, characterized in that the reservoir (34) for supplying the siphon seals (9) is at the same time the reservoir for collecting the re-circulated sealing liquid.
- Assembly as per one of the aforementioned claims, characterized in that the means (35, 36, 37, 38) for adjusting and controlling of a preset concentration of sterilization medium or for the replenishment of the sterilization medium are provided on the reservoir (34).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07002379T PL1820771T3 (en) | 2006-02-17 | 2007-02-03 | Sealing assembly for sealing the transition between a rotating and a stationary machine element and installation or device for handling bottles or similar containers with at least one such sealing assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006007367.3A DE102006007367B4 (en) | 2006-02-17 | 2006-02-17 | Plant or device for treating bottles. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1820771A1 EP1820771A1 (en) | 2007-08-22 |
EP1820771B1 true EP1820771B1 (en) | 2011-08-03 |
Family
ID=38041558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07002379A Active EP1820771B1 (en) | 2006-02-17 | 2007-02-03 | Sealing assembly for sealing the transition between a rotating and a stationary machine element and installation or device for handling bottles or similar containers with at least one such sealing assembly |
Country Status (7)
Country | Link |
---|---|
US (1) | US7383673B2 (en) |
EP (1) | EP1820771B1 (en) |
JP (1) | JP5328105B2 (en) |
CN (1) | CN101049899B (en) |
AT (1) | ATE518803T1 (en) |
DE (1) | DE102006007367B4 (en) |
PL (1) | PL1820771T3 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7469517B2 (en) * | 2004-12-06 | 2008-12-30 | Phoenix Closures, Inc. | Closure transferring mechanism |
DE102006007367B4 (en) * | 2006-02-17 | 2016-03-24 | Khs Gmbh | Plant or device for treating bottles. |
DE102006007366A1 (en) * | 2006-02-17 | 2007-08-23 | Khs Ag | Sealing arrangement for sealing a transition between a rotating and a stationary machine element and system or apparatus for treating bottles o. The like. Containers with at least one such seal assembly |
DE102006007481B3 (en) * | 2006-02-17 | 2007-07-12 | Khs Ag | Plant for cold aseptic filling of bottles, includes siphonic seal outlet implemented as overflow adjusting level of barrier fluid |
DE102008034389A1 (en) | 2008-07-23 | 2010-01-28 | Khs Ag | Implementation and container treatment machine with such feedthroughs |
DE102009040924A1 (en) * | 2009-09-11 | 2011-03-24 | Khs Gmbh | Plant for the sterile filling of products, in particular of drinks in bottles or similar containers |
DE102010013132A1 (en) | 2010-03-26 | 2011-09-29 | Krones Ag | Apparatus for treating containers with height-adjustable isolator |
DE102010054788A1 (en) * | 2010-12-16 | 2012-06-21 | Krones Aktiengesellschaft | Device for sterilizing containers |
ITTO20110929A1 (en) * | 2011-10-17 | 2013-04-18 | Sidel Spa Con Socio Unico | MODULAR ROTARY FILLING MACHINE |
CN102705515B (en) * | 2012-06-07 | 2015-09-09 | 宁波伏尔肯机械密封件制造有限公司 | For the insulating liquid circulatory system of mechanical seal |
DE102014110602A1 (en) | 2014-02-28 | 2015-09-03 | Johnson Electric Germany GmbH & Co. KG | Device with a moving component |
JP6056930B1 (en) * | 2015-09-17 | 2017-01-11 | 大日本印刷株式会社 | Aseptic filling apparatus and purification method thereof |
EP3878800A1 (en) | 2015-09-17 | 2021-09-15 | Dai Nippon Printing Co., Ltd. | Aseptic filling apparatus |
EP3510457A1 (en) * | 2016-09-09 | 2019-07-17 | The Procter and Gamble Company | Methods for simultaneously producing different products on a single production line |
US10558201B2 (en) | 2016-09-09 | 2020-02-11 | The Procter & Gamble Company | System and method for producing products based upon demand |
JP6252665B2 (en) * | 2016-12-08 | 2017-12-27 | 大日本印刷株式会社 | Aseptic filling apparatus and purification method thereof |
JP6760343B2 (en) * | 2018-08-31 | 2020-09-23 | 大日本印刷株式会社 | Aseptic filling machine and its purification method |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB407672A (en) * | 1932-07-14 | 1934-03-14 | Fred Schloer | Process and apparatus for the sterilised filling of liquids, more especially beverages like beer, fruit juices and the like, into glass bottles having a suitable closure |
FR2102557A5 (en) * | 1970-08-07 | 1972-04-07 | Remy & Cie E P | APPARATUS FOR THE ASEPTIC PACKAGING OF ANY PRODUCTS, IN PARTICULAR FOOD PRODUCTS |
JP3483298B2 (en) * | 1994-04-14 | 2004-01-06 | 澁谷工業株式会社 | Rotary body sealing device in container processing equipment |
JP3519510B2 (en) * | 1995-06-28 | 2004-04-19 | 澁谷工業株式会社 | Rotary sealing device in aseptic container processing equipment |
DE10145803C2 (en) * | 2001-09-17 | 2003-10-02 | Alfill Engineering Gmbh & Co K | Container handling machine with closed space |
DE20120014U1 (en) * | 2001-12-11 | 2003-02-06 | Krones Ag | Rotary filler has intermediate space between feed section of feed pipe and fluid container wall constructed seal free and is in communication both with inside of fluid container and also with outlet |
ATE373621T1 (en) * | 2002-04-22 | 2007-10-15 | Krones Ag | ASEPTIC FILLING MACHINE |
JP4182280B2 (en) * | 2002-06-07 | 2008-11-19 | 四国化工機株式会社 | Rotary aseptic filling equipment |
ITPR20030001A1 (en) * | 2003-01-17 | 2004-07-18 | Sig Technology Ltd | MACHINE FOR ASEPTIC TREATMENT OF CONTAINERS |
JP4702885B2 (en) * | 2005-11-29 | 2011-06-15 | 三菱重工食品包装機械株式会社 | Wheel-type transfer device, drive device, rotary shaft seal mechanism |
DE102006007481B3 (en) * | 2006-02-17 | 2007-07-12 | Khs Ag | Plant for cold aseptic filling of bottles, includes siphonic seal outlet implemented as overflow adjusting level of barrier fluid |
DE102006007367B4 (en) * | 2006-02-17 | 2016-03-24 | Khs Gmbh | Plant or device for treating bottles. |
DE102006007366A1 (en) * | 2006-02-17 | 2007-08-23 | Khs Ag | Sealing arrangement for sealing a transition between a rotating and a stationary machine element and system or apparatus for treating bottles o. The like. Containers with at least one such seal assembly |
-
2006
- 2006-02-17 DE DE102006007367.3A patent/DE102006007367B4/en active Active
-
2007
- 2007-02-03 PL PL07002379T patent/PL1820771T3/en unknown
- 2007-02-03 EP EP07002379A patent/EP1820771B1/en active Active
- 2007-02-03 AT AT07002379T patent/ATE518803T1/en active
- 2007-02-15 JP JP2007034337A patent/JP5328105B2/en not_active Expired - Fee Related
- 2007-02-16 CN CN2007101036000A patent/CN101049899B/en active Active
- 2007-02-16 US US11/676,090 patent/US7383673B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ATE518803T1 (en) | 2011-08-15 |
JP5328105B2 (en) | 2013-10-30 |
EP1820771A1 (en) | 2007-08-22 |
US7383673B2 (en) | 2008-06-10 |
JP2007217063A (en) | 2007-08-30 |
DE102006007367B4 (en) | 2016-03-24 |
US20070193222A1 (en) | 2007-08-23 |
PL1820771T3 (en) | 2011-12-30 |
DE102006007367A1 (en) | 2007-08-23 |
CN101049899A (en) | 2007-10-10 |
CN101049899B (en) | 2010-09-22 |
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