US20220127126A1 - Sterile carbonated beverage filling system and sterile carbonated beverage filling method - Google Patents
Sterile carbonated beverage filling system and sterile carbonated beverage filling method Download PDFInfo
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- US20220127126A1 US20220127126A1 US17/647,197 US202217647197A US2022127126A1 US 20220127126 A1 US20220127126 A1 US 20220127126A1 US 202217647197 A US202217647197 A US 202217647197A US 2022127126 A1 US2022127126 A1 US 2022127126A1
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- Prior art keywords
- beverage
- section
- carbonated beverage
- sterile
- filling
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- 235000014171 carbonated beverage Nutrition 0.000 title claims abstract description 274
- 238000011049 filling Methods 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims description 12
- 235000013361 beverage Nutrition 0.000 claims abstract description 162
- 230000001954 sterilising effect Effects 0.000 claims abstract description 104
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 56
- 238000004659 sterilization and disinfection Methods 0.000 claims description 40
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 36
- 230000000630 rising effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 53
- 239000008223 sterile water Substances 0.000 abstract description 45
- 239000001569 carbon dioxide Substances 0.000 description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 description 24
- 239000004615 ingredient Substances 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 11
- 241000894006 Bacteria Species 0.000 description 10
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
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- 238000012371 Aseptic Filling Methods 0.000 description 5
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- 238000004519 manufacturing process Methods 0.000 description 4
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- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
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- 239000000945 filler Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
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- 238000003860 storage Methods 0.000 description 3
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- 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
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- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/42—Preservation of non-alcoholic beverages
- A23L2/46—Preservation of non-alcoholic beverages by heating
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
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- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
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- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/001—Packaging other articles presenting special problems of foodstuffs, combined with their conservation
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- 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
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
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- B65B55/14—Sterilising contents prior to, or during, packaging by heat
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- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
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- 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
- B67C3/06—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using counterpressure, i.e. filling while the container is under pressure
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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
- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
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- B67C3/28—Flow-control devices, e.g. using valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B67C7/0006—Conveying; Synchronising
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
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- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
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- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
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- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
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- B67C7/0006—Conveying; Synchronising
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Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Abstract
A sterile carbonated beverage filling system includes a beverage sterilizing section which sterilizes a raw material liquid to prepare a sterilized beverage, a beverage cooling section which cools the sterilized beverage, a carbonated beverage producing section which injects carbonic acid gas into the sterilized beverage to prepare a sterile carbonated beverage, and a carbonated beverage filling section which fills the sterile carbonated beverage into a bottle. The beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section are connected by a beverage supply pipeline. The carbonated beverage filling section and the beverage supply pipeline each include a rotary machine, and a boundary surface between a rotating body and a non-rotating body of the rotary machine is sealed with sterile water or sterile air.
Description
- This application is a continuation of U.S. application Ser. No. 16/336,674, filed Mar. 26, 2019, which is the National Stage entry of International Application No. PCT/JP2017/035032, filed Sep. 27, 2017, which claims the benefit of priority from Japanese Patent Application No. 2016-194492, filed Sep. 30, 2016, the entireties of which are incorporated herein by reference.
- The present invention relates to a sterile carbonated beverage filling system and a sterile carbonated beverage filling method.
- Conventionally, a container containing a beverage including carbonated beverages containing ingredients derived from animals or plants such as fruit juice and milk ingredients has been produced. In this case, a heat sterilization treatment is performed in which a carbonated beverage is first filled in a container (PET bottle), and then the carbonated beverage is heated together with the container. The heat sterilization treatment can suppress propagation of fungi, yeasts and other microorganisms in carbonated beverages. For example, in the case of carbonated beverages containing fruit juice, a carbon dioxide gas is pressure-injected at low temperature into a composition liquid prepared by mixing nitrogen sources such as fruit juice and milk ingredients. Thereafter, the composition liquid in which the carbon dioxide gas has been dissolved is filled in a container, and the container is sealed with a cap. Subsequently, the carbonated beverage filled in the container is heat-sterilized from the outside of the container, and the carbonated beverage and the container are simultaneously sterilized. The heat sterilization treatment is generally carried out under the condition that the carbonated beverage is heated at a liquid temperature of 60° C. or more and 65° C. or less in about 10 minutes.
- Patent Literature 1: JP 2006-211931 A
- However, when the conventional heat sterilization treatment is carried out, there is a possibility that contents made of a carbonated beverage, for example, a content liquid containing a nitrogen source such as fruit juice and milk ingredients, is deteriorated. In addition, since a container expands during the heat sterilization treatment, inconvenience such as deformation of the container occurs. For this reason, it is studied to fill carbonated beverages into a container using aseptic filling equipment so that the heat sterilization treatment will not be carried out.
- On the other hand, in conventional aseptic filling equipment, in order to seal a boundary surface between a rotating body such as a pump and a non-rotating body, high-temperature steam is supplied to a seal portion between the rotating body and the non-rotating body. However, in the case of filling a carbonated beverage using the aseptic filling equipment, when high-temperature steam is supplied to the seal portion, the liquid temperature of the carbonated beverage staying in the vicinity of the seal portion rises, and when the carbonated beverage is filled, a large amount of foam may be generated from the carbonated beverage in a container (also referred to as “foaming”), or a carbonic acid gas concentration in the carbonated beverage may become unstable. Particularly, when the aseptic filling equipment temporarily stops, the carbonated beverages tend to stay in the vicinity of the seal portion, so that such a problem becomes noticeable.
- The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide a sterile carbonated beverage filling system and a sterile carbonated beverage filling method in which, when a carbonated beverage is filled using aseptic filling equipment, it is possible to prevent a large amount of foam from being generated from the carbonated beverage in a container and to prevent a carbonic acid gas concentration in the carbonated beverage from becoming unstable.
- The present invention is a sterile carbonated beverage filling system, and the sterile carbonated beverage filling system includes a beverage sterilizing section which sterilizes a raw material liquid to prepare a sterilized beverage, a beverage cooling section which cools the sterilized beverage prepared by the beverage sterilizing section, a carbonated beverage producing section which injects carbonic acid gas into the sterilized beverage cooled by the beverage cooling section to prepare a sterile carbonated beverage, a carbonated beverage filling section which fills the sterile carbonated beverage, prepared by the carbonated beverage producing section, into a bottle, and a beverage supply pipeline which connects the beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section, at least one of the carbonated beverage filling section and the beverage supply pipeline includes a rotary machine having a rotating body and a non-rotating body, and a boundary surface between the rotating body and the non-rotating body is sealed with sterile water or sterile air.
- The present invention is the sterile carbonated beverage filling system in which the rotary machine is a pump provided in the beverage supply pipeline.
- The present invention is the sterile carbonated beverage filling system in which an internal pressure of a seal portion which seals the boundary surface is lower than an internal pressure of the beverage supply pipeline.
- The present invention is the sterile carbonated beverage filling system in which the rotary machine is a rotary joint of the carbonated beverage filling section.
- The present invention is the sterile carbonated beverage filling system in which an internal pressure of a seal portion which seals the boundary surface is lower than an internal pressure of a pipe through which the sterile carbonated beverage located inside the rotary joint flows.
- The present invention is a sterile carbonated beverage filling method, including a sterilization step of sterilizing a raw material liquid in a beverage sterilizing section to prepare a sterilized beverage, a cooling step of cooling the sterilized beverage, prepared by the beverage sterilizing section, in a beverage cooling section, a carbonated beverage producing step of injecting carbonic acid gas into the sterilized beverage, cooled by the beverage cooling section, in a carbonated beverage producing section to prepare a sterile carbonated beverage, and a filling step of filling the sterile carbonated beverage, prepared by the carbonated beverage producing section, into a bottle in a carbonated beverage filling section, the beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section are connected by a beverage supply pipeline, at least one of the carbonated beverage filling section and the beverage supply pipeline includes a rotary machine having a rotating body and a non-rotating body, and a boundary surface between the rotating body and the non-rotating body is sealed with sterile water or sterile air.
- According to the present invention, when a carbonated beverage is filled into a bottle by using the sterile carbonated beverage filling system, it is possible to prevent a large amount of foam from being generated from the carbonated beverage in a container and to prevent a carbonic acid gas concentration in the carbonated beverage from becoming unstable.
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FIG. 1 is a schematic plan view illustrating a sterile carbonated beverage filling system according to an embodiment of the present invention. -
FIG. 2 is a schematic configuration diagram illustrating a carbonated beverage preparation section and a carbonated beverage filling section of the sterile carbonated beverage filling system according to an embodiment of the present invention. -
FIG. 3 is a schematic cross-sectional view illustrating a boundary surface between a rotating body and a non-rotating body of a rotary machine constituted of a pump. -
FIG. 4 is a schematic cross-sectional view illustrating a boundary surface between a rotating body and a non-rotating body of a rotary machine constituted of a rotary joint. - An embodiment of the present invention will be described below with reference to
FIGS. 1 to 4 .FIGS. 1 to 4 illustrate one embodiment of the present invention. In the following drawings, the same reference numerals are assigned to the same components, and some detailed descriptions may be omitted. - (Sterile Carbonated Beverage Filling System)
- First, a sterile carbonated beverage filling system according to the present embodiment will be described with reference to
FIG. 1 . - A sterile carbonated
beverage filling system 10 illustrated inFIG. 1 is a system for filling a bottle (container) 30 with a content made of a sterile carbonated beverage. Thebottle 30 can be made by performing biaxial stretching blow molding on a preform made by performing injection molding on a synthetic resin material. A material of thebottle 30 to be used is preferably a thermoplastic resin, in particular, polyethylene (PE), polypropylene (PP), polyethylene-terephthalate (PET), or polyethylene naphthalate (PEN). In addition, the container may be glass or a can. The present embodiment will describe an example of a case where a plastic bottle is used for the container. - As illustrated in
FIG. 1 , the sterile carbonatedbeverage filling system 10 includes abottle feeding section 21, abottle sterilizing section 11, anair rinsing section 14, a sterilewater rinsing section 15, a carbonated beverage filling section (filler) 20, a cap attachment section (a capper, a seamer, and a capping machine) 16, and aproduct bottle conveyor 22. Thesebottle feeding section 21,bottle sterilizing section 11,air rinsing section 14, sterilewater rinsing section 15, carbonatedbeverage filling section 20,cap attachment section 16, andproduct bottle conveyor 22 are arranged in this order along a conveying direction of thebottle 30 from an upstream side to a downstream side. Between thebottle sterilizing section 11, theair rinsing section 14, the sterilewater rinsing section 15, the carbonatedbeverage filling section 20, and thecap attachment section 16, a plurality of conveywheels 12 for conveying thebottle 30 between these devices is provided. - The
bottle feeding section 21 successively receives theempty bottle 30 from an outside to the sterile carbonatedbeverage filling system 10, and conveys the receivedbottle 30 to thebottle sterilizing section 11. - A bottle molding portion (not illustrated) which molds the
bottle 30 by performing biaxial stretching blow molding on a preform may be provided on the upstream side of thebottle feeding section 21. As described above, the process starting upon feeding of the preform, and then molding of thebottle 30, and ending upon filling of thebottle 30 with the sterile carbonated beverage and capping may be performed continuously. In this case, instead of thebottle 30 having a large volume, a preform having a small volume can be carried from the outside to the sterile carbonatedbeverage filling system 10, so that equipment constituting the sterile carbonatedbeverage filling system 10 can be reduced in size. - The
bottle sterilizing section 11 sterilizes the interior of thebottle 30 by injecting a disinfectant into thebottle 30. As the disinfectant, a hydrogen peroxide aqueous solution is used, for example. In thebottle sterilizing section 11, after a hydrogen peroxide aqueous solution having a concentration of 1% by weight or more, preferably 35% by weight is temporarily vaporized, condensed mist or gas is generated, and the mist or gas is sprayed on inner and outer surfaces of thebottle 30. Since the inside of thebottle 30 is thus sterilized by the mist or gas of the hydrogen peroxide aqueous solution, the inner surface of thebottle 30 is sterilized uniformly. - The
air rinsing section 14 supplies sterile heated air or room temperature air into thebottle 30 to remove foreign matter, hydrogen peroxide, and the like from the inside of thebottle 30 while activating the hydrogen peroxide. - The sterile
water rinsing section 15 washes thebottle 30, sterilized by hydrogen peroxide as a disinfectant, with sterilized water at 15° C. or more and 85° C. or less. As a result, hydrogen peroxide adhering to thebottle 30 is washed off, and foreign matter is removed. The sterilewater rinsing section 15 is not necessarily provided. - The carbonated
beverage filling section 20 fills the sterile carbonated beverage, previously sterilized, from a mouth of thebottle 30 into thebottle 30. This carbonatedbeverage filling section 20 fills the sterile carbonated beverage in theempty bottle 30. In the carbonatedbeverage filling section 20, while a plurality of thebottles 30 is rotated (revolved), the sterile carbonated beverage is filled inside thebottles 30. The sterile carbonated beverage is filled into thebottle 30 at a filling temperature of 1° C. or more and 40° C. or less, preferably 5° C. or more and 10° C. or less. The reason why the filling temperature of the sterile carbonated beverage is set to, for example, 1° C. or more and 10° C. or less as described above is that if the liquid temperature of the sterile carbonated beverage exceeds 10° C., a carbon dioxide gas is likely to escape from the sterile carbonated beverage. Examples of the sterile carbonated beverage to be filled by the carbonatedbeverage filling section 20 include carbonated beverages containing ingredients derived from animals or plants such as fruit juice and milk ingredients. - The carbonated beverage supplied to the carbonated
beverage filling section 20 is prepared in advance by a carbonatedbeverage preparation section 40. The carbonatedbeverage filling section 20 fills the inside of thebottle 30 with the carbonated beverage sent from the carbonatedbeverage preparation section 40. The configuration of the carbonatedbeverage preparation section 40 will be described later. - The
cap attachment section 16 caps thebottle 30 by attaching thecap 33 to the mouth of thebottle 30. In thecap attachment section 16, the mouth of thebottle 30 is capped with thecap 33 and then sealed so as to prevent external air or virus from invading into thebottle 30. In thecap attachment section 16, while the plurality ofbottles 30 filled with the sterile carbonated beverage rotates (revolves), thecaps 33 are attached to the mouths of thebottles 30. Thus, by attaching thecap 33 to the mouth of thebottle 30, it is possible to obtain aproduct bottle 35. - The
cap 33 is sterilized in acap sterilizing section 25 in advance. Thecap sterilizing section 25 is disposed outside a sterile chamber 13 (to be described later) and near thecap attachment section 16, for example. In thecap sterilizing section 25, a large number of thecaps 33 carried in from the outside are preliminarily collected and then conveyed in a row toward thecap attachment section 16. Mist or gas of hydrogen peroxide is blown against inner and outer surfaces of thecap 33 on the way of conveyance of thecap 33 toward thecap attachment section 16 and then thecap 33 is dried with hot air and sterilized. - The
product bottle conveyor 22 continuously conveys theproduct bottle 35 with thecap 33 attached by thecap attachment section 16 to the outside of the sterile carbonatedbeverage filling system 10. - In addition, the sterile carbonated
beverage filling system 10 includes thesterile chamber 13. Thesterile chamber 13 houses thebottle sterilizing section 11, theair rinsing section 14, the sterilewater rinsing section 15, the carbonatedbeverage filling section 20, and thecap attachment section 16, which have been described above. The interior of thesterile chamber 13 is kept in a sterile state. - In addition, the
sterile chamber 13 is partitioned into a bottlesterile chamber 13 a and a filling/seamingchamber 13 b. Achamber wall 13 c is provided between the bottlesterile chamber 13 a and the filling/seamingchamber 13 b, and the bottlesterile chamber 13 a and the filling/seamingchamber 13 b are separated from each other with thechamber wall 13 c interposed therebetween. In the bottlesterile chamber 13 a, thebottle sterilizing section 11, theair rinsing section 14, and the sterilewater rinsing section 15 are arranged. In the filling/seamingchamber 13 b, the carbonatedbeverage filling section 20 and thecap attachment section 16 are arranged. - (Sterile Carbonated Beverage Filling System)
- Next, the configuration of the carbonated
beverage preparation section 40 and the carbonatedbeverage filling section 20 of the sterile carbonatedbeverage filling system 10 will be described with reference toFIG. 2 . InFIG. 2 , solid arrows indicate flows of beverages (raw material liquid, sterilized beverage, sterile carbonated beverage), dotted arrows indicate flows of gas (steam, sterile carbon dioxide gas), and dash-dotted arrows indicate flow of water (sterile water). - As illustrated in
FIG. 2 , the carbonatedbeverage preparation section 40 includes abeverage sterilizing section 41, a firstaseptic tank 42, abeverage cooling section 43, a carbonatedbeverage producing section 44, and a secondaseptic tank 45. - Among these parts, for example, the
beverage sterilizing section 41 sterilizes a raw material liquid containing components derived from animals or plants such as fruit juice and milk ingredients to produce a sterilized beverage. Thebeverage sterilizing section 41 may be constituted of an ultra high temperature instantaneous sterilizer (UHT: Ultra High-Temperature), for example. In this case, a raw material liquid is supplied from the outside to thebeverage sterilizing section 41 constituted of the UHT, and this raw material liquid is instantaneously heated and sterilized to prepare a sterilized beverage. - The first
aseptic tank 42 temporarily stores the sterilized beverage sterilized by thebeverage sterilizing section 41. Sterile air is supplied from a sterileair supply section 57 into the firstaseptic tank 42 and filled in the firstaseptic tank 42. The firstaseptic tank 42 may not necessarily be provided, and the sterilized beverage from thebeverage sterilizing section 41 may be supplied directly to thebeverage cooling section 43. - Between the first
aseptic tank 42 and thebeverage cooling section 43, afirst pump 51 is provided. Thefirst pump 51 is for feeding the sterilized beverage from the firstaseptic tank 42 to thebeverage cooling section 43. Steam is supplied from asteam supply section 52 to thefirst pump 51. The temperature of the steam from thesteam supply section 52 is, for example, about 90° C. or more and 140° C. or less, and the steam is used for the mechanical seal of thefirst pump 51. As described above, by supplying steam to a space surrounding a boundary surface of the mechanical seal, bacteria and microorganisms from the outside world are prevented from being mixed in a sterilized beverage through the boundary surface. - The
beverage cooling section 43 cools the sterilized beverage prepared by thebeverage sterilizing section 41. Thebeverage cooling section 43 has a cooling plate or a cooling shell and a tube. In thebeverage cooling section 43, the sterilized beverage is cooled to, for example, 1° C. or more and 5° C. or less. As a result, in the carbonatedbeverage producing section 44 carbon dioxide gas is easily dissolved in the sterilized beverage. - A second pump (rotary machine) 53 is provided between the
beverage cooling section 43 and the carbonatedbeverage producing section 44. Thesecond pump 53 is for feeding the sterilized beverage from thebeverage cooling section 43 to the carbonatedbeverage producing section 44. Sterile water is supplied from a sterile watersterilization supply section 55 to thesecond pump 53. The sterile watersterilization supply section 55 may be, for example, an ultra high temperature instantaneous sterilizer (UHT). The temperature of the sterile water from the sterile watersterilization supply section 55 is, for example, about 1° C. or more and 40° C. or less. This sterile water is sterilized at a sterilization value equal to or higher than that of the sterilized beverage from thebeverage cooling section 43 and is used for the mechanical seal of thesecond pump 53 as described later. As described above, by supplying sterile water to a space surrounding a boundary surface of the mechanical seal, bacteria and microorganisms from the outside world are prevented from being mixed in a sterilized beverage through the boundary surface. By using sterile water at about 1° C. or more and 40° C. or less for the mechanical seal, the temperature of the sterilized beverage passing through thesecond pump 53 is prevented from rising. It is preferable that a pipe for feeding sterile water from the sterile watersterilization supply section 55 being sterilized (SIP (Sterilizing in Place)) with steam or hot water in advance before the sterile carbonated beverage is filled into thebottle 30. - The carbonated
beverage producing section 44 injects carbon dioxide gas into the sterilized beverage cooled by thebeverage cooling section 43 to dissolve the carbon dioxide gas in the sterilized beverage to produce a sterile carbonated beverage. A known mechanism such as a carbonator can be used as the carbonatedbeverage producing section 44. The carbonatedbeverage producing section 44 is connected to a sterile carbonicacid supply section 54 and is supplied with carbon dioxide gas in a sterilized state, which has been filtered by a filter, from the sterile carbonicacid supply section 54. In the carbonatedbeverage producing section 44, the carbon dioxide gas from the sterile carbonicacid supply section 54 is introduced into the sterilized beverage at high pressure, and a sterile carbonated beverage in which the carbon dioxide gas is dissolved is prepared. - A third pump (rotary machine) 56 is provided between the carbonated
beverage producing section 44 and the secondaseptic tank 45. Thethird pump 56 is for feeding the sterile carbonated beverage from the carbonatedbeverage producing section 44 to the secondaseptic tank 45. As with thesecond pump 53, sterile water is supplied from the sterile watersterilization supply section 55 to thethird pump 56. This sterile water is used for the mechanical seal of thethird pump 56. - The second
aseptic tank 45 temporarily stores the sterile carbonated beverage in which the carbon dioxide gas is dissolved in the carbonatedbeverage producing section 44. Sterile carbon dioxide gas is supplied from a sterile carbon dioxidegas supply section 58 into the secondaseptic tank 45 and filled in the secondaseptic tank 45. By pressurizing the sterile carbonated beverage with sterile carbon dioxide gas, carbon dioxide gas dissolved in the sterile carbonated beverage is prevented from being released into a gas phase. Preferably, it is preferable to pressurize the sterile carbonated beverage at a pressure higher than a carbon dioxide gas pressure as a production standard. As a result, the concentration of carbon dioxide gas in the sterile carbonated beverage is kept constant. The secondaseptic tank 45 may not necessarily be provided, and the sterile carbonated beverage from the carbonatedbeverage producing section 44 may be supplied directly to a fillinghead tank 75 of the carbonatedbeverage filling section 20. - A fourth pump (rotary machine) 59 and a
filter 62 are interposed between the secondaseptic tank 45 and the fillinghead tank 75 of the carbonatedbeverage filling section 20. Among these parts, thefourth pump 59 is for feeding the sterile carbonated beverage from the secondaseptic tank 45 to the fillinghead tank 75. As with thesecond pump 53 and thethird pump 56, sterile water is supplied from the sterile watersterilization supply section 55 to thefourth pump 59. This sterile water is used for the mechanical seal of thefourth pump 59. Thefilter 62 filters impurities, foreign matters, and the like contained in the sterile carbonated beverage fed from thefourth pump 59 to the fillinghead tank 75. Thefilter 62 may be provided anywhere up to a tip of a filling valve. - The filling head tank (buffer tank) 75 is disposed in an upper portion of the carbonated
beverage filling section 20. A sterile carbonated beverage is filled inside the fillinghead tank 75. An upper portion of the fillinghead tank 75 is connected to the sterile carbonicacid supply section 63, and carbon dioxide gas in a sterilized state is supplied from the sterile carbonicacid supply section 63 to the fillinghead tank 75. By pressurizing the sterile carbonated beverage with the sterile carbon dioxide gas, carbon dioxide gas dissolved in the sterile carbonated beverage is prevented from being released into a gas phase. Preferably, it is preferable to pressurize the sterile carbonated beverage at a pressure higher than a carbon dioxide gas pressure as a production standard. Consequently, the concentration of the carbon dioxide gas in the carbonated beverage in the fillinghead tank 75 is kept constant. - In the carbonated
beverage filling section 20, the sterile carbonated beverage prepared in the carbonatedbeverage producing section 44 is filled into theempty bottle 30. The carbonatedbeverage filling section 20 has a rotating conveywheel 71. While a plurality of thebottles 30 is rotated (revolved) by the conveywheel 71, the sterile carbonated beverage is filled inside thebottles 30. Furthermore, a plurality of fillingnozzles 72 is arranged along an outer circumference of the conveywheel 71. Each of the fillingnozzles 72 has onebottle 30 attached thereto, and injects the sterile carbonated beverage inside thebottle 30. As the fillingnozzle 72, a well-known filling nozzle can be used (for example, Japanese Patent No. 4674743). A carbonatedbeverage supply line 73 and agas supply line 74 are connected to the fillingnozzle 72. The carbonatedbeverage supply line 73 among these parts has one end connected to the fillinghead tank 75 filled with the sterile carbonated beverage, and the other end in communication with the inside of thebottle 30. Furthermore, the sterile carbonated beverage supplied from the fillinghead tank 75 passes through the carbonatedbeverage supply line 73, and is injected inside thebottle 30. Furthermore, thegas supply line 74 has one end connected to the fillinghead tank 75 and the other end in communication with the inside of thebottle 30. A counter pressure gas made of sterile carbon dioxide gas supplied from the fillinghead tank 75 passes through thegas supply line 74 and is filled inside thebottle 30. In addition to thegas supply line 74, snift lines (not shown) are connected to the respective filling valves (not shown), so that the gas inside thebottle 30 can be discharged via the snift line. The snift lines of the respective filling valves are connected by a manifold, and, furthermore, the tip is opened into the filler in thesterile chamber 13. As a result, the gas inside thebottle 30 can be discharged into the filler which is a sterile space without bacterial contamination. - The convey
wheel 71 and the fillingnozzle 72 are covered with acover 76. A rotary joint (rotary machine) 77 is attached to an upper portion of thecover 76. A rotating body (the conveywheel 71, the fillingnozzle 72, and a rotating pipe 92 (described later), etc.) and a non-rotating body (thecover 76 and a fixed pipe 91 (described later) etc.) are sealed in a sterile state by the rotary joint 77. To the rotary joint 77, a sterilizinggas supply section 64 for sterilization of pipes and a sterileair supply section 65 are connected.Valves gas supply section 64 and a supply pipe from the sterileair supply section 65, respectively. Examples of the sterilizing gas supplied from the sterilizinggas supply section 64 include hydrogen peroxide gas and steam. The sterileair supply section 65 supplies sterile air toward the rotary joint 77 after the supply pipe is sterilized by the sterilizing gas from the sterilizinggas supply section 64. The sterile air from the sterileair supply section 65 is used for the mechanical seal of the rotary joint 77, as will be described later. As described above, by supplying sterile air to a space surrounding a boundary surface of the mechanical seal, bacteria and microorganisms from the outside world are prevented from being mixed in a sterilized beverage through the boundary surface. - The
beverage sterilizing section 41, the firstaseptic tank 42, thebeverage cooling section 43, the carbonatedbeverage producing section 44, the secondaseptic tank 45 and the carbonatedbeverage filling section 20 are connected by abeverage supply pipeline 60. A beverage (raw material liquid, sterilized beverage or sterile carbonated beverage) sequentially passes through the inside of thebeverage supply pipeline 60. In this case, the sterilization degrees inside thebeverage cooling section 43, the carbonatedbeverage producing section 44, the carbonatedbeverage filling section 20 and thebeverage supply pipeline 60 are higher than the sterilization degree of the raw material liquid after sterilization in thebeverage sterilizing section 41. As a result, in the process after thebeverage sterilizing section 41, the sterilization degree of the beverage (raw material liquid, sterilized beverage or sterile carbonated beverage) can be kept higher than the sterilization degree of the raw material liquid after sterilization in thebeverage sterilizing section 41. As a result, even when a carbonated beverage containing components derived from animals or plants such as fruit juice and milk ingredients is filled into thebottle 30, it is possible to reliably prevent propagation of fungi, yeasts and other microorganisms in the filled carbonated beverage. - In the carbonated
beverage filling section 20 and the carbonatedbeverage preparation section 40, a flow path through which the beverage (raw material liquid, sterilized beverage or sterile carbonated beverage) passes is preferably subjected to CIP (Cleaning in Place) treatment and, furthermore, subjected to SIP (Sterilizing in Place) treatment regularly or when the type of beverage is switched. The CIP treatment is performed by passing a cleaner containing water and an alkali agent such as caustic soda as an additive through a flow path from a pipe line of a path through which a raw material liquid is supplied to thebeverage sterilizing section 41 to the fillingnozzle 72 of the carbonatedbeverage filling section 20 and then passing a cleaner containing water and an acid agent as an additive. The CIP treatment removes a residue of the previous product in the flow path through which the beverage passes. The SIP treatment is a treatment to sterilize the interior of the flow path through which the beverage passes before beverage filling operation is started, and is performed by passing heated steam or hot water through the flow path cleaned by the CIP treatment described above, for example. The SIP treatment sterilizes the interior of the flow path through which the beverage passes and makes it sterile. - The degree of sterilization of the flow path through which the beverage passes in the carbonated
beverage filling section 20 and the carbonatedbeverage preparation section 40 may be managed by an F value. For example, while heated steam or hot water being flowed in the flow path of the carbonatedbeverage filling section 20 and the carbonatedbeverage preparation section 40, temperatures at portions of the flow path, at which the temperatures are difficult to rise while flowing heated steam or hot water within the drink supply pipe line, may be measured by temperature sensors. When the time at which the temperature from each temperature sensor reaches a predetermined temperature reaches a predetermined time or more, the heating treatment by the heated steam or like to the flow path may be ended. Here, the F value is the heating time required to kill all bacteria when the bacteria are heated for a certain time, which is indicated by the lethality time of bacteria at 121.1° C. and is calculated by the following formula. -
F=∫ t0 t1 10(T-Tr )/Z dt [Formula 1] - (where T denotes an arbitrary sterilization temperature (° C.), 10{circumflex over ( )}{(T−Tr)/Z} denotes a fatality rate at an arbitrary sterilization temperature T, Tr denotes a reference temperature (° C.), and Z denotes a Z value (° C.).)
- Next, the configuration of the boundary surface between the rotating body and the non-rotating body of the rotary machine (the
second pump 53, thethird pump 56, thefourth pump 59 and the rotary joint 77) described above will be described with reference toFIGS. 3 and 4 . - First, a rotary machine constituted of a pump will be described with reference to
FIG. 3 .FIG. 3 is an enlarged cross-sectional view illustrating a boundary surface between a rotating body and a non-rotating body of the rotary machine constituted of the pump. In the following description, thesecond pump 53 will be described as an example of the rotary machine constituted of the pump; however, thethird pump 56 and thefourth pump 59 are substantially similar in configuration. - As illustrated in
FIG. 3 , the second pump (rotary machine) 53 has acasing 81, animpeller 82 disposed in thecasing 81, and amotor 84 connected to theimpeller 82 via a rotatingshaft 83 and rotating theimpeller 82. - Among these parts, the
casing 81 has abeverage inlet 81 a into which a sterilized beverage flows from thebeverage cooling section 43 and abeverage outlet 81 b from which the sterilized beverage delivered by theimpeller 82 flows out toward the carbonatedbeverage producing section 44. Thebeverage inlet 81 a and thebeverage outlet 81 b are connected to thebeverage supply pipeline 60. Theimpeller 82 is disposed inside thecasing 81 and is rotated by themotor 84 to feed the sterilized beverage from thebeverage inlet 81 a to thebeverage outlet 81 b. - A mechanical seal portion (seal portion) 85 is connected to the
casing 81. Aninternal space 85 a is formed in themechanical seal portion 85. Asterile water inlet 85 b and asterile water outlet 85 c are communicated with theinternal space 85 a. The sterile water from the sterile watersterilization supply section 55 is supplied from thesterile water inlet 85 b to theinternal space 85 a and discharged from thesterile water outlet 85 c. - In
FIG. 3 , a connectingportion 86 is provided between thecasing 81 and themechanical seal portion 85. The connectingportion 86 has a substantially cylindrical shape, and therotating shaft 83 is inserted through the connectingportion 86. In this case, the connectingportion 86 is a non-rotating body, and therotating shaft 83 is a rotating body. Aboundary surface 87 is formed between the connectingportion 86 constituted of a non-rotating body and therotating shaft 83 constituted of a rotating body. At theboundary surface 87, the sterilized beverage in thecasing 81 is sealed with sterile water in themechanical seal portion 85. As a result, bacteria and microorganisms from the outside world are prevented from being mixed in the sterilized beverage through theboundary surface 87. - The temperature of the sterile water in the
mechanical seal portion 85 is, for example, 1° C. or more and 40° C. or less, and more preferably 10° C. or more and 25° C. or less. Thus, there is no possibility that the temperature of the sterilized beverage staying in thecasing 81 will rise due to the effect of sterile water in themechanical seal portion 85. This prevents problems such as generation of a large amount of foam (foaming) from the carbonated beverage in thebottle 30 and unstable carbonic acid gas concentration in the carbonated beverage when filling the carbonated beverage. - The internal pressure of the mechanical seal portion 85 (pressure of the
internal space 85 a) sealing theboundary surface 87 is lower than the internal pressures of thebeverage supply pipeline 60 and thecasing 81. This makes it possible to more reliably prevent bacteria and microorganisms from the outside world from being mixed in the sterilized beverage through theboundary surface 87. - As described above, the
first pump 51 for feeding the sterilized beverage before carbonic acid filling from the firstaseptic tank 42 to thebeverage cooling section 43 supplies steam to the mechanical seal portion. However, the present invention is not limited to this. For thefirst pump 51, as with thesecond pump 53, sterile water may be supplied to the mechanical seal portion. - Next, a rotary machine constituted of a rotary joint will be described with reference to
FIG. 4 .FIG. 4 is an enlarged cross-sectional view illustrating a boundary surface between a rotating body and a non-rotating body of the rotary machine constituted of the rotary joint, and specifically an enlarged cross-sectional view of the rotary joint 77 of the carbonatedbeverage filling section 20. - As illustrated in
FIG. 4 , the rotary joint (rotary machine) 77 has the fixedpipe 91 connected to the fillinghead tank 75 side and therotating pipe 92 connected to the fillingnozzle 72 side. - Among these parts, the fixed
pipe 91 is a pipe into which the sterile carbonated drink from the fillinghead tank 75 flows. The rotatingpipe 92 is a pipe to feed the sterile carbonated beverage from the fixedpipe 91 toward the fillingnozzle 72, and is rotated together with the conveywheel 71 and the fillingnozzle 72. The fixedpipe 91 and therotating pipe 92 constitute a portion of the carbonatedbeverage supply line 73 described above. - A mechanical seal portion (seal portion) 93 is connected to the fixed
pipe 91 and therotating pipe 92. Aninternal space 93 a is formed in themechanical seal portion 93. Asterile air inlet 93 b and asterile air outlet 93 c are communicated with theinternal space 93 a. The sterile air from the sterileair supply section 65 is supplied from thesterile air inlet 93 b to theinternal space 93 a and then discharged from thesterile air outlet 93 c. - In
FIG. 4 , the fixedpipe 91 is a non-rotating body, and therotating pipe 92 is a rotating body. Aboundary surface 94 is formed between the fixedpipe 91 constituted of a non-rotating body and therotating pipe 92 constituted of a rotating body. At theboundary surface 94, the sterile carbonated beverage flowing inside the fixedpipe 91 and therotating pipe 92 is sealed with sterile air in themechanical seal portion 93. As a result, bacteria and microorganisms from the outside world are prevented from being mixed in the sterile carbonated beverage through theboundary surface 94. - The temperature of the sterile air in the
mechanical seal portion 93 is, for example, 1° C. or more and 40° C. or less, and more preferably 10° C. or more and 25° C. or less. Thus, there is no possibility that the temperature of the sterile carbonated beverage staying in the fixedpipe 91 and therotating pipe 92 will rise due to the effect of sterile air in themechanical seal portion 93. This prevents problems such as generation of a large amount of foam (foaming) from the carbonated beverage in thebottle 30 and unstable carbonic acid gas concentration in the carbonated beverage when filling the carbonated beverage. - The internal pressure of the mechanical seal portion 93 (pressure of the
internal space 93 a) sealing theboundary surface 94 is lower than the internal pressures of the fixedpipe 91 and therotating pipe 92 located inside the rotary joint 77. This makes it possible to more reliably prevent bacteria and microorganisms from the outside world from being mixed in the sterile carbonated beverage through theboundary surface 94. - (Sterile Carbonated Beverage Filling Method)
- Next, a sterile carbonated beverage filling method using the above-described sterile carbonated beverage filling system 10 (
FIG. 1 ) will be described. In the following description, a filling method at a normal time, that is, a sterile carbonated beverage filling method in which a sterile carbonated beverage is filled inside thebottle 30 to produce theproduct bottle 35 will be described. - First, the plurality of
empty bottles 30 is sequentially fed from the outside of the sterile carbonatedbeverage filling system 10 to thebottle feeding section 21. Thebottle 30 is fed from thebottle feeding section 21 to thebottle sterilizing section 11 by the convey wheel 12 (container feeding step). - Then, in the
bottle sterilizing section 11, thebottle 30 is sterilized using a hydrogen peroxide aqueous solution as a disinfectant (sterilization step). At this time, the hydrogen peroxide aqueous solution is a gas or mist condensed after a hydrogen peroxide aqueous solution having a concentration of 1% by weight or more, preferably 35% by weight is temporarily vaporized, and the gas or mist is supplied toward thebottle 30. - Subsequently, the
bottle 30 is fed to theair rinsing section 14 by the conveywheel 12, and sterile heated air or room temperature air is supplied in theair rinsing section 14, whereby foreign matter, hydrogen peroxide, and the like are removed from thebottle 30 while hydrogen peroxide is activated. Subsequently, thebottle 30 is conveyed to the sterilewater rinsing section 15 by the conveywheel 12. In the sterilewater rinsing section 15, washing with sterile water at 15° C. or more and 85° C. or less is performed (rinsing step). Specifically, sterile water at 15° C. or more and 85° C. or less is supplied into thebottle 30 at a flow rate of 5 L/min or more and 15 L/min or less. At this time, preferably, thebottle 30 takes an inverted attitude, and the sterile water is supplied into thebottle 30 through the downwardly opened mouth, and flows out of thebottle 30 from the mouth. With this sterile water, hydrogen peroxide adhering to thebottle 30 is washed off, and foreign matter is removed. The step of supplying sterile water into thebottle 30 is not necessarily provided. - Subsequently, the
bottle 30 is conveyed to the carbonatedbeverage filling section 20 by the conveywheel 12. In the carbonatedbeverage filling section 20, while thebottle 30 is rotated (revolved), the sterile carbonated beverage is filled inside thebottle 30 from the mouth (filling step). In the carbonatedbeverage filling section 20, the sterile carbonated beverage prepared in advance in the carbonatedbeverage preparation section 40 is filled in the sterilizedbottle 30 at a filling temperature of 1° C. or higher and 40° C. or lower, preferably 5° C. or higher and 10° C. or lower. - Next, each step of preparing a sterile carbonated beverage in the carbonated
beverage preparation section 40 and supplying the sterile carbonated beverage to the carbonatedbeverage filling section 20 will be described with reference toFIG. 2 . - First, for example, the
beverage sterilizing section 41 constituted of an ultra high temperature instantaneous sterilizer (UHT) sterilizes a raw material liquid containing components derived from animals or plants such as fruit juice and milk ingredients to produce a sterilized beverage (sterilization step). Meanwhile, a raw material liquid is supplied from the outside to thebeverage sterilizing section 41, and this raw material liquid is instantaneously heated and sterilized to prepare a sterilized beverage. - The sterilized beverage sterilized by the
beverage sterilizing section 41 is fed to the firstaseptic tank 42 and temporarily stored in the first aseptic tank 42 (first storage step). Subsequently, the sterilized beverage from the firstaseptic tank 42 is fed to thebeverage cooling section 43 by thefirst pump 51. In thebeverage cooling section 43, the sterilized beverage prepared in thebeverage sterilizing section 41 is cooled to, for example, 1° C. or higher and 5° C. or lower (cooling step). - The sterilized beverage cooled by the
beverage cooling section 43 is fed to the carbonatedbeverage producing section 44 such as a carbonator by thesecond pump 53. In the carbonatedbeverage producing section 44, carbonic acid gas is injected into the sterilized beverage cooled by thebeverage cooling section 43 to prepare a sterile carbonated beverage (carbonated beverage production step). - Next, the sterile carbonated beverage from the carbonated
beverage producing section 44 is fed to the secondaseptic tank 45 by thethird pump 56. The sterile carbonated beverage fed to the secondaseptic tank 45 is temporarily stored in the second aseptic tank 45 (second storage step). Subsequently, the sterile carbonated beverage from the secondaseptic tank 45 is fed to the fillinghead tank 75 of the carbonatedbeverage filling section 20 by thefourth pump 59. The sterile carbonated beverage fed to the fillinghead tank 75 is temporarily stored in the filling head tank 75 (third storage step). - When the beverage (raw material liquid, sterilized beverage or sterile carbonated beverage) is sequentially fed from the
beverage sterilizing section 41 to the carbonatedbeverage filling section 20 via the firstaseptic tank 42, thebeverage cooling section 43, the carbonatedbeverage producing section 44, and the secondaseptic tank 45 in order, the beverage sequentially passes through thebeverage supply pipeline 60. In this case, the sterilization degrees inside thebeverage cooling section 43, the carbonatedbeverage producing section 44, the carbonatedbeverage filling section 20 and thebeverage supply pipeline 60 are higher than the sterilization degree of the raw material liquid in thebeverage sterilizing section 41. - After that, in the carbonated
beverage filling section 20, the sterile carbonated beverage prepared in the carbonatedbeverage producing section 44 and stored in the fillinghead tank 75 is filled into theempty bottle 30. - Meanwhile, first, in the carbonated
beverage filling section 20, the fillingnozzle 72 is brought into close contact with the mouth of thebottle 30, and thegas supply line 74 and thebottle 30 communicate with each other. Next, a sterile carbon dioxide gas for counter pressure is supplied into thebottle 30 from the fillinghead tank 75 through thegas supply line 74. As a result, the internal pressure of thebottle 30 is raised higher than the atmospheric pressure, so that the internal pressure of thebottle 30 becomes equal to the internal pressure of the fillinghead tank 75. - Next, the sterile carbonated beverage is filled into the
bottle 30 from the carbonatedbeverage supply line 73. In this case, the sterile carbonated beverage passes through the carbonatedbeverage supply line 73 from the fillinghead tank 75 and is injected into thebottle 30. - Subsequently, the supply of the sterile carbonated beverage from the carbonated
beverage supply line 73 is stopped. Then, the snift line (not shown) is opened, and the gas inside thebottle 30 is exhausted from the snift line. Consequently, the pressure inside thebottle 30 becomes equal to the atmospheric pressure, and filling of the sterile carbonated beverage into thebottle 30 is finished. - Referring again to
FIG. 1 , thebottle 30 filled with the sterile carbonated beverage by the carbonatedbeverage filling section 20 is conveyed to thecap attachment section 16 by the conveywheel 12. - On the other hand, the
cap 33 is previously sterilized by the cap sterilizing section 25 (cap sterilization step). Thecap 33 sterilized by thecap sterilizing section 25 is attached to the mouth of thebottle 30 which has been conveyed from the carbonatedbeverage filling section 20 in thecap attachment section 16. Consequently, theproduct bottle 35 having thebottle 30 and thecap 33 is obtained (cap attachment step). - Thereafter, the
product bottle 35 is conveyed from thecap attachment section 16 to theproduct bottle conveyor 22 and is carried toward the outside of the sterile carbonatedbeverage filling system 10. - The respective steps from the sterilization step to the cap attachment step are performed in a sterile atmosphere surrounded by the
sterile chamber 13, that is, in a sterile environment. After the sterilization treatment, sterile air of positive pressure is supplied into thesterile chamber 13 so that the sterile air is always blown toward the exterior of thesterile chamber 13. - The production (conveying) speed of the
bottle 30 in the sterile carbonatedbeverage filling system 10 is preferably 100 bpm or more and 1500 bpm or less. Here, the conveying speed of thebottle 30 per minute is represented by bottle per minute (bpm). - As described above, according to the present embodiment, there is no step of filling the
bottle 30 with the sterile carbonated beverage by the carbonatedbeverage filling section 20 and then heat-sterilizing the carbonated beverage filled in the bottle 30 (for example, heat treatment at a liquid temperature of 60° C. or higher and 65° C. or lower for about 10 minutes). Consequently, even when thebottle 30 is filled with a carbonated beverage containing a nitrogen source such as fruit juice and milk ingredients, there is no possibility that the carbonated beverage will be altered. Since thebottle 30 does not expand during the heat sterilization treatment, it is possible to prevent the inconvenience that thebottle 30 is deformed. - According to the present embodiment, the
boundary surface 87 between the rotating shaft (rotating body) 83 of the pumps (rotary machines) 53, 56, or 59 and the connecting portion (non-rotating body) 86 is sealed with sterile water. On the other hand, theboundary surface 94 between the rotating pipe (rotating body) 92 of the rotary joint (rotary machine) 77 and the fixed pipe (non-rotating body) 91 is sealed with sterile air. This prevents the liquid temperature of the carbonated beverage staying in the vicinity of themechanical seal portions bottle 30 and unstable carbonic acid gas concentration in the carbonated beverage when filling the carbonated beverage. Particularly, even when the sterile carbonatedbeverage filling system 10 is temporarily stopped and the carbonated beverage stays in the vicinity of themechanical seal portions bottle 30 and unstable carbonic acid gas concentration in the carbonated beverage after filling is started again. - According to the present embodiment, the sterilization degrees inside the
beverage cooling section 43, the carbonatedbeverage producing section 44, the carbonatedbeverage filling section 20 and thebeverage supply pipeline 60 are higher than the sterilization degree of thebeverage sterilizing section 41. As a result, in the process after thebeverage sterilizing section 41, the sterilization degree of the beverage (raw material liquid, sterilized beverage or sterile carbonated beverage) can be kept higher than the sterilization degree of the raw material liquid in thebeverage sterilizing section 41. As a result, even when a carbonated beverage containing components derived from animals or plants such as fruit juice and milk ingredients is filled into thebottle 30, it is possible to reliably prevent propagation of fungi, yeasts and other microorganisms in the filled carbonated beverage. - In the above description, although container sterilization performed on the
bottle 30, the preform, thecap 33, and the like uses a sterilizing agent containing hydrogen peroxide, the present invention is not limited to this example, and the sterilization may be performed using a sterilizing agent such as peracetic acid or an electron beam.
Claims (3)
1. A sterile carbonated beverage filling system, comprising:
a beverage sterilizing section which sterilizes a raw material liquid to prepare a sterilized beverage;
a beverage cooling section which cools the sterilized beverage prepared by the beverage sterilizing section;
a carbonated beverage producing section which injects carbonic acid gas into the sterilized beverage cooled by the beverage cooling section to prepare a sterile carbonated beverage;
a carbonated beverage filling section which fills the sterile carbonated beverage, prepared by the carbonated beverage producing section, into a bottle; and
a beverage supply pipeline which connects the beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section,
wherein the carbonated beverage filling section comprises a rotary joint having a rotating pipe as a rotating body and a fixed pipe as a non-rotating body,
the sterile carbonated beverage is flowed from the fixed pipe to the rotating pipe,
a boundary surface between the rotating pipe and the fixed pipe is sealed with sterile air at a temperature of 1° C. or more and 40° C. or less, so as to reduce a rising in a temperature of the sterile carbonated beverage staying in the rotating pipe and the fixed pipe,
a sterilizing gas supply section and a sterile air supply section are both connected to a single supply pipe that is connected to the rotary joint, and
the sterile air supply section supplies the sterile air toward the rotary joint through the single supply pipe, after the single supply pipe is sterilized by a hydrogen peroxide gas from the sterilizing gas supply section.
2. The sterile carbonated beverage filling system according to claim 1 , wherein an internal pressure of a seal portion which seals the boundary surface is lower than an internal pressure of a pipe through which the sterile carbonated beverage located inside the rotary joint flows.
3. A sterile carbonated beverage filling method, comprising:
a sterilization step of sterilizing a raw material liquid in a beverage sterilizing section to prepare a sterilized beverage;
a cooling step of cooling the sterilized beverage, prepared by the beverage sterilizing section, in a beverage cooling section;
a carbonated beverage producing step of injecting carbonic acid gas into the sterilized beverage, cooled by the beverage cooling section, in a carbonated beverage producing section to prepare a sterile carbonated beverage; and
a filling step of filling the sterile carbonated beverage, prepared by the carbonated beverage producing section, into a bottle in a carbonated beverage filling section,
wherein the beverage sterilizing section, the beverage cooling section, the carbonated beverage producing section, and the carbonated beverage filling section are connected by a beverage supply pipeline,
the carbonated beverage filling section comprises a rotary joint having a rotating pipe as a rotating body and a fixed pipe as a non-rotating body,
the sterile carbonated beverage is flowed from the fixed pipe to the rotating pipe,
a boundary surface between the rotating pipe and the fixed pipe is sealed with sterile air at a temperature of 1° C. or more and 40° C. or less, so as to reduce a rising in a temperature of the sterile carbonated beverage staying in the rotating pipe and the fixed pipe,
a sterilizing gas supply section and a sterile air supply section are both connected to a single supply pipe that is connected to the rotary joint, and
the sterile air supply section supplies the sterile air toward the rotary joint through the single supply pipe, after the single supply pipe is sterilized by a hydrogen peroxide gas from the sterilizing gas supply section.
Priority Applications (1)
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US17/647,197 US20220127126A1 (en) | 2016-09-30 | 2022-01-06 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
Applications Claiming Priority (5)
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JP2016194492A JP6517177B2 (en) | 2016-09-30 | 2016-09-30 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
JP2016-194492 | 2016-09-30 | ||
PCT/JP2017/035032 WO2018062311A1 (en) | 2016-09-30 | 2017-09-27 | Aseptic carbonated beverage filling system, and aseptic carbonated beverage filling method |
US201916336647A | 2019-03-26 | 2019-03-26 | |
US17/647,197 US20220127126A1 (en) | 2016-09-30 | 2022-01-06 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
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US16/336,647 Continuation US11279606B2 (en) | 2016-09-30 | 2017-09-27 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
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US16/336,647 Active 2038-05-09 US11279606B2 (en) | 2016-09-30 | 2017-09-27 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
US17/647,197 Abandoned US20220127126A1 (en) | 2016-09-30 | 2022-01-06 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
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US (2) | US11279606B2 (en) |
EP (2) | EP3521237B1 (en) |
JP (1) | JP6517177B2 (en) |
CN (2) | CN113428821B (en) |
WO (1) | WO2018062311A1 (en) |
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JP6517177B2 (en) * | 2016-09-30 | 2019-05-22 | 大日本印刷株式会社 | Sterile carbonated beverage filling system and sterile carbonated beverage filling method |
JP6836548B2 (en) * | 2018-05-29 | 2021-03-03 | 大日本印刷株式会社 | Positive pressure holding method in tank and positive pressure holding device in tank |
WO2019245019A1 (en) * | 2018-06-21 | 2019-12-26 | 大日本印刷株式会社 | Carbonated beverage aseptic filling system, beverage filling system, and cip processing method |
JP6849009B2 (en) * | 2019-04-26 | 2021-03-24 | 大日本印刷株式会社 | Beverage filling system and CIP processing method |
JP6897716B2 (en) * | 2019-06-14 | 2021-07-07 | 大日本印刷株式会社 | How to cool the filling valve of an aseptic filling machine |
CN112850613A (en) * | 2019-11-28 | 2021-05-28 | 内蒙古伊利实业集团股份有限公司 | Aseptic carbonation system |
CN112850616A (en) * | 2019-11-28 | 2021-05-28 | 内蒙古伊利实业集团股份有限公司 | Aseptic filling device and aseptic carbonation system |
JP6860862B2 (en) * | 2019-11-29 | 2021-04-21 | 大日本印刷株式会社 | Carbonated drink aseptic filling system |
JP7457235B2 (en) * | 2020-02-18 | 2024-03-28 | 澁谷工業株式会社 | filling equipment |
JP7157937B2 (en) * | 2021-03-03 | 2022-10-21 | 大日本印刷株式会社 | Beverage filling system and CIP processing method |
JP7157936B2 (en) * | 2021-03-03 | 2022-10-21 | 大日本印刷株式会社 | Beverage filling system and CIP processing method |
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Also Published As
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EP3521237A4 (en) | 2020-06-03 |
CN113428821B (en) | 2023-07-07 |
US20190375622A1 (en) | 2019-12-12 |
JP6517177B2 (en) | 2019-05-22 |
CN113428821A (en) | 2021-09-24 |
EP4273088A3 (en) | 2024-02-14 |
JP2018052612A (en) | 2018-04-05 |
EP3521237A1 (en) | 2019-08-07 |
CN109790004B (en) | 2021-06-29 |
WO2018062311A1 (en) | 2018-04-05 |
CN109790004A (en) | 2019-05-21 |
EP3521237B1 (en) | 2023-09-20 |
EP4273088A2 (en) | 2023-11-08 |
US11279606B2 (en) | 2022-03-22 |
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