WO2010018850A1 - Aseptic filling device for carbonated beverage - Google Patents

Aseptic filling device for carbonated beverage Download PDF

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Publication number
WO2010018850A1
WO2010018850A1 PCT/JP2009/064271 JP2009064271W WO2010018850A1 WO 2010018850 A1 WO2010018850 A1 WO 2010018850A1 JP 2009064271 W JP2009064271 W JP 2009064271W WO 2010018850 A1 WO2010018850 A1 WO 2010018850A1
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WO
WIPO (PCT)
Prior art keywords
filling
liquid
valve
container
gas
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PCT/JP2009/064271
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French (fr)
Japanese (ja)
Inventor
喜与士 廣谷
憲二 水川
博文 佐藤
真吾 和田
剛 秋元
慶久 立花
Original Assignee
三菱重工食品包装機械株式会社
ザ コカ・コーラ カンパニー
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Application filed by 三菱重工食品包装機械株式会社, ザ コカ・コーラ カンパニー filed Critical 三菱重工食品包装機械株式会社
Publication of WO2010018850A1 publication Critical patent/WO2010018850A1/en

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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
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2642—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for sterilising prior to filling

Definitions

  • the present invention relates to a filling device that fills a container with a liquid such as carbonated beverage in which a back pressure is applied to a liquid storage portion by carbon dioxide gas, and in particular, a beverage liquid and carbon dioxide gas processed by a filling valve are made sterile. Further, the present invention relates to a configuration of a filling device that surrounds a filling valve periphery with aseptic pressurized gas.
  • the filling liquid is supplied to the annular filler bowl installed in the upper part through the rotary joint placed in the lower part. It is distributed from the filler bowl to each filling valve and filled with carbonated beverages. A space between the rotary part inner periphery of the filling valve and the outer peripheral fixed part is sealed, and the exchange of gas inside and outside is cut off to form an aseptic chamber.
  • the sterilization chamber contains a container table and a filling nozzle that can be moved up and down by placing a container, and a transport mechanism for transporting the container.
  • the filling machine main body is accommodated in a clean booth, and is replaced with filling liquid and air in the container at the time of filling.
  • Carbon dioxide gas is supplied to the filling machine main body through a rotary joint placed on the upper part of the filling machine main body from a filling liquid storage tank installed outside the clean booth.
  • Carbon dioxide gas exhausted in the filling process is discharged out of the machine from a lower rotary joint placed in the lower part of the filling machine body.
  • Patent Document 3 has almost the same configuration as the aseptic filling device of Patent Document 2, and is placed above the clean booth covering the filling machine body. In this filling device, a sub-chamber covering the exposed rotary joint is added, and another pressurized gas is sent into the sub-chamber.
  • the filling liquid pipe leads to the filler bowl, and the filling valve is an old-type pressure balance liquid level setting type filling valve in the container. Therefore, the structure of the filling valve is complicated, the cost is high, and maintenance is troublesome. In addition, there are problems such as insufficient sterilization of carbon dioxide in the gas piping path.
  • the filling apparatus according to Patent Document 2 and Patent Document 3 since the filling apparatus according to Patent Document 2 and Patent Document 3 has a filling liquid tank installed outside, the installation area is large, and the clean booth covering the entire filling machine body is large. Since it arrange
  • the present invention aims to provide a carbonated beverage filling device that reduces the cost of the clean booth, reduces costs, facilitates maintenance around the filling valve, and ensures sterilization in the gas piping.
  • the aseptic filling apparatus for carbonated drinks according to the present invention is an aseptic filling apparatus for carbonated drinks that performs filling in a sealed state and a state in which carbon dioxide gas pressure is applied, and is equidistant on a constant circumference of the rotating plate.
  • a plurality of filling valves provided, a liquid rotary joint having a fixed portion and a rotating portion, and a filling liquid installed on the rotating plate and connected to a plurality of liquid supply pipes communicating with the filling valves.
  • a tank an exhaust passage provided in each of the filling valves for discharging the gas in the container, a counter gas passage provided in the filling valve for supplying pressurized gas into the container, and the exhaust passage
  • a gas rotary joint that connects the counter gas passage, an external carbon dioxide supply section and an exhaust section, a carbon dioxide passage that connects the gas rotary joint and the filling liquid tank, and the gas bottom joint.
  • Each filling valve includes a filling liquid passage, a liquid valve that opens and closes the filling liquid passage, and a seal mechanism that seals the container and the filling valve
  • the fixing portion of the liquid rotary joint includes: A configuration may be adopted in which the rotating part of the liquid rotary joint is installed in the rotating part of the aseptic filling device, and is installed in the fixed part of the aseptic filling device.
  • a liquid level sensor installed in the filling liquid tank and a filling liquid pipe from the liquid rotary joint to the filling liquid tank, and the flow rate of the filling liquid is determined by a signal from the liquid level sensor.
  • a liquid flow rate adjusting valve for adjusting, an exhaust passage opening / closing valve for opening / closing the exhaust passage, a counter gas passage opening / closing valve for opening / closing the counter gas passage, and the container so that the container is positioned directly below the filling valve. And a flow meter for measuring the flow rate of the filling liquid flowing through the filling liquid passage of each of the filling valves.
  • a clean booth which contains the filling valve and the container gripper and is sealed off from the outside air, a container supply inlet connected to the cleaning part of the container, and a container is sent out of the machine.
  • a container discharge part, and the container discharge part has a minimum area that can pass through the container so as to block the periphery of the filling valve from outside air;
  • a shower nozzle is installed in the upper part of the filling liquid tank, a cleaning liquid pipe for sanitation is communicated with the shower nozzle, the washing liquid pipe is connected to the filling liquid pipe, and a filling liquid is connected to the filling liquid pipe.
  • a configuration may be employed in which a switching valve for switching between the cleaning liquid and the cleaning liquid is installed.
  • the filling machine body becomes large, but the overall system is small. Maintenance and inspection are easy. Moreover, since the piping route is completed within the filling machine main body, it is not necessary to consider the restriction of the piping system depending on the place where the filling machine is installed. In addition, since the sterilization filter is installed in the carbon dioxide gas pipe from the rotary joint to the filling liquid tank in the filling machine body, the carbon dioxide gas path in the rotary joint does not need to be aseptic, the structure is simple, and the cost is low. There is an effect that can be reduced.
  • the filling liquid tank built in the filling machine main body is arranged above the rotary joint which is the filling valve and the liquid supply part, so that it occurs inside the pipe. Since the gas thus raised rises in the pipe and is collected on the water surface of the filling liquid tank, there is no possibility that the filling liquid will stagnate in the pipe.
  • the liquid passage from the rotary joint to the filling liquid tank faces upward, and when the product liquid or the cleaning liquid is removed, the flow does not stagnate in the liquid passage, and CIP (Cleaning Place) is easy. .
  • the aseptic filling apparatus for carbonated beverages according to the above (5) there is an effect of reducing the clean booth and reducing the apparatus cost.
  • the aseptic filling apparatus for carbonated beverages according to the above (6) is useful when the filling liquid tank is CIPed.
  • piping system diagrams such as a filling liquid and carbon dioxide which flow between the components of the aseptic filling machine for carbonated drinks of FIG.
  • side surface sectional drawing which shows the outline of the filling valve periphery and clean booth of the aseptic filling machine for carbonated beverages of FIG.
  • FIG. 1 is a plan view showing a flow of a container transported between a carbonated beverage aseptic filling machine and peripheral equipment according to an embodiment and a range surrounded by a pressurized gas chamber.
  • FIG. 2 is a piping system diagram of filling liquid and carbon dioxide gas flowing between components of the aseptic filling machine for carbonated beverages shown in FIG.
  • FIG. 3 is a side cross-sectional view schematically showing the periphery of the filling valve and the clean booth of the carbonated beverage aseptic filling machine of FIG.
  • FIG. 4 is a piping system diagram showing an operating state of the on-off valve on the piping for filling liquid and carbon dioxide gas when the aseptic filling machine for carbonated beverages of FIG. 1 is washed.
  • the flow of transporting a PET bottle in a carbonated beverage aseptic filling apparatus will be described with reference to FIG.
  • the empty PET bottle 8 is cleaned and sterilized in the cleaning unit W, passed from the conveying star wheel 2 to the first star wheel 3 of the filling unit F, and sent to the aseptic filling machine 10 for carbonated beverages through the second star wheel 5. It is.
  • the actual PET bottle 8A filled with the carbonated beverage by the carbonated beverage aseptic filling machine 10 is transferred to the third star wheel 9 and sent from the third star wheel 9 to the capping machine 40, and the cap is put on the capping machine 40. , Sealed by winding.
  • the actual PET bottle 8 ⁇ / b> A containing the gas-containing beverage is carried out of the machine by the carry-out conveyor 47.
  • the clean booth 4 covers from the boundary between the cleaning unit W and the filling unit F to the carry-out conveyor 47 along the flow of the PET bottles 8 and 8A.
  • a pressurized sterilized gas or air is always fed into the clean booth 4 hatched with a broken line in FIG.
  • the exit of the actual PET bottle 8A is an opening 48 through which the actual PET bottle 8A finally passes in order to minimize the entry of outside air. That is, the opening 48 may have substantially the same dimensions as the actual PET bottle 8A.
  • the aseptic filling machine 10 for carbonated drinks has a fixed part (fixed part) and a rotating part (rotating part).
  • FIG. 2 the range of the part (rotating part) which the aseptic filling machine 10 for carbonated drinks rotates is shown with the dashed-two dotted line.
  • An upper rotary joint 51 coupled to the fixed part and the rotating part is installed at the upper part of the aseptic filling machine 10 for carbonated beverages.
  • the rotation control board 53 is installed in the rotation part of the aseptic filling machine 10 for carbonated drinks.
  • the upper rotary joint 51 also has a fixed part (fixed side) and a rotating part (rotating side).
  • a fixed-side electric signal line 66, an operation air pipe 69, and a carbon dioxide gas pipe 68 are coupled on the fixed side of the upper rotary joint 51.
  • a rotation-side electric signal line 66A, a carbon dioxide gas pipe 68A, and an operation air pipe 69A are coupled on the rotation side of the upper rotary joint 51.
  • the electric signal line 66 ⁇ / b> A and the operation air pipe 69 ⁇ / b> A are coupled to the rotation control panel 53.
  • the gas pressure of the carbon dioxide gas pipe 68 ⁇ / b> A is adjusted and controlled by the gas pressure adjusting valve 86, becomes the carbon dioxide gas pipe 72, and is sent to the filling liquid tank 54 and the plurality of filling valves 11.
  • a sterilization filter 56 for sterilizing carbon dioxide gas is installed in the carbon dioxide gas pipe 72 between the upper rotary joint 51 and the filling liquid tank 54. That is, the sterilization filter 56 is disposed in the carbon dioxide gas pipe 72 from the upper rotary joint 51 to the filling liquid tank 54. As a result, the carbon dioxide gas path in the upper rotary joint 51 does not need to be aseptic, the structure is simplified, and the cost can be reduced.
  • the check valve 85 prevents the backflow of carbon dioxide gas.
  • a pressure regulating valve 91 is installed in a pipe 76 communicating with the carbon dioxide pipe 72, the pipe 75, and the carbon dioxide passage 32a (formed in the gas passage block 32 as shown in FIG. 3).
  • the pressure regulating valve 91 is connected through a pipe 77 to a gas discharge passage 32b that is a return gas pipe.
  • the gas pressure sensor 64 detects the gas pressure in the filling liquid tank 54.
  • the rotation control panel 53 compares the gas pressure detected by the gas pressure sensor 64 with the set pressure, and when the pressure is higher than the set pressure, the gas is adjusted so that the pressure of the carbon dioxide gas supplied to the filling liquid tank 54 becomes the set pressure.
  • the pressure regulating valve 86 is controlled.
  • the rotation control panel 53 controls the gas pressure adjustment valve 86 so as to increase to the set pressure.
  • the on-off valves 92 and 93 are used when the carbonated beverage aseptic filling machine 10 is stopped, or when carbon dioxide gas is extracted before sterilization and washing before starting the work or when the work is stopped.
  • the pressure safety valve 95 is for avoiding an excessive pressure in the piping system.
  • a lower rotary joint 52 coupled to the fixed part and the rotating part is installed at the lower part of the aseptic filling machine 10 for carbonated drinks.
  • the filling liquid ascends vertically from the external fixed pipe 59 through the lower rotary joint 52 through the filling liquid pipe 57 passing through the center of the aseptic filling machine 10 for carbonated beverages and flows into the filling liquid tank 54 installed at the upper part.
  • the on-off valve 106 is used when the filling liquid supplied by the fixed pipe 59 is switched.
  • the on-off valve 108 is used when switching the sterilized cleaning liquid supplied by the sterilized cleaning liquid supply pipe 107.
  • the gas discharge passage 32b is also coupled to the lower rotary joint 52, and the return gas is discharged to the gas return pipe 81 on the fixed side.
  • the separator 117 separates gas and water, and an open / close valve 116 is installed in the drainage pipe 115 branched from the separator 117.
  • a branch pipe 111 is installed between the sterilizing cleaning liquid supply pipe 107 and the drain pipe 115, and an open / close valve 112 is installed in the branch pipe 111.
  • the separator 117, drainage pipe 115, on-off valve 116, branch pipe 111, and on-off valve 112 are used when CIP is performed.
  • the filling liquid tank 54 is provided with a plurality of liquid supply pipes 12 that communicate with each of the filling valves 11 and deliver the filling liquid.
  • a liquid level sensor 63 for detecting the water surface height of the filling liquid is installed in the filling liquid tank 54.
  • a liquid flow rate adjustment valve 58 installed in the filling liquid pipe 57 adjusts the flow rate of the filling liquid according to the signal of the liquid level sensor 63 to control the liquid level height of the filling liquid in the filling liquid tank 54 within a set range. .
  • the plurality of filling valves 11 having the liquid valves 18 that open and close the filling liquid passage 17 a are provided at regular intervals on a constant circumference of the upper rotating plate 20.
  • a container elevating mechanism 35 including a gripper 41 that holds the PET bottle 8 is installed below each filling valve 11.
  • the container lifting mechanism 35 transports the PET bottle 8 so as to be positioned directly below the filling valve 11, and moves up and down to bring the PET bottle 8 into contact with the filling valve 11.
  • the PET bottle 8 is brought into contact with each filling valve 11, and in the process of filling the filling liquid, it is necessary to replace the carbon dioxide gas, which is a counter gas, with the air in the PET bottle 8. Therefore, a carbon dioxide gas passage 37a that supplies pressurized gas into the PET bottle 8, a carbon dioxide gas passage opening / closing valve 34a that opens and closes the carbon dioxide gas passage 37a, and an exhaust passage that discharges air replaced with carbon dioxide from the PET bottle 8.
  • an exhaust passage opening / closing valve 34c that opens and closes the exhaust passage 37c
  • a sniff gas passage 37b that discharges the reaction gas to return the internal pressure of the PET bottle 8 to atmospheric pressure after filling the filling liquid into the PET bottle 8
  • a sniff gas passage A throttle valve 29 installed in 37b and a sniff gas passage opening / closing valve 34b for opening and closing the sniff gas passage 37b are installed.
  • the filling valve 11 is supported by the upper rotating plate 20.
  • the main body 17 of the filling valve 11 is provided with a liquid supply pipe 12 for supplying a carbonated beverage as a filling liquid, a carbon dioxide gas passage 37a, a snift gas passage 37b, and air or air expelled from the PET bottle 8 at the time of filling.
  • An exhaust passage 37c for discharging the carbon dioxide gas replaced with is connected.
  • the liquid supply pipe 12 is provided with a flow meter 26 that measures the amount of carbonated beverage supplied and a flow rate switching valve 27 that can adjust the amount of liquid in two steps.
  • the air cylinder 22 is mounted on the main body 17 of the filling valve 11, and the liquid valve 18 is fixed to the drive rod portion of the air cylinder 22.
  • the liquid valve 18 is a solenoid valve 24 whose compressed air passage is switched by an operation signal from a control device (not shown) and the air cylinder 22 is driven to open and close the filling liquid passage 17a.
  • the seal packing 15 is fitted into a groove formed in the taper 18 a of the liquid valve 18.
  • the flow rate is increased by the operation of the electromagnetic valve 25.
  • the switching valve 27 is opened to the large flow rate side, and the filling is advanced and switched to a small flow rate before the filling amount reaches the capacity of the PET bottle 8.
  • the air cylinder 22 is reversely operated.
  • the liquid valve 18 is closed.
  • the container port seal 43 is attached to the main body 17 by the nut 19.
  • a carbon dioxide gas passage 37 a, a snift gas passage 37 b, and an exhaust passage 37 c are coupled to the main body 17 of each filling valve 11, and any of the passages communicates with a gas pipe 17 b communicating with the filling liquid passage 17 a in the main body 17. Yes.
  • the gas passages 37a, 37b, and 37c are opened and closed by the on-off valves 34a, 34b, and 34c attached to the on-off valve block 31, respectively.
  • the on-off valve block 31 is attached to a ring-shaped gas passage block 32, and the gas passage block 32 is provided with a carbon dioxide gas passage 32a and a gas discharge passage 32b.
  • the container gripper 41 that grips the PET bottle 8 is moved up and down by the container lifting mechanism 35 to bring the PET bottle 8 into and out of contact with the container opening seal 43 below the filling valve 11.
  • the container elevating mechanism 35 is attached to the lower rotating plate 21 integrated with the upper rotating plate 20 and the longitudinal member 23 and rotates together with the filling valve 11.
  • a cam follower 42 is provided on the lifting shaft 36 of the container lifting mechanism 35, and the container gripper 41 is lifted and lowered at a predetermined angular position when the carbonated beverage aseptic filling machine 10 is rotated by the action of an externally fixed cam 46.
  • the inner enclosure 16 is attached along the longitudinal member 23, and fixed to the external fixing member 28 on the outer peripheral side of the upper and lower rotary plates 20, 21.
  • a downward labyrinth plate which is immersed in the water-sealed labyrinths 38 and 39 of the outer enclosure 7 and gas-sealed is attached.
  • the clean booth 4 surrounded by the upper rotary plate 20, the lower rotary plate 21, the inner enclosure 16 and the outer enclosure 7 is constantly subjected to a pressure higher than the external pressure.
  • a compression spring 45 provided between the lower rotating plate 21 and the container elevating mechanism 35 is for giving an ascending force to the container elevating mechanism 35, and a bellows 44 is for blocking the inside of the clean booth 4.
  • the liquid supply pipe 12 to the filling valve 11, the filling liquid passage 17 a of the main body 17 of the filling valve 11, the liquid valve 18, the gas passages 37 a, 37 b, 37 c, and the PET bottle 8 of the filling valve 11 are contacted.
  • the portion where the filling liquid such as the sealing surface comes into contact with carbon dioxide as the processing gas is sterilized, and the cleaning liquid and water vapor used for CIP are removed from each piping system.
  • the on-off valve 106 is opened, the filling liquid is sent to the filling liquid tank 54 through the filling liquid pipe 57 and stored, and the gas pressure adjusting valve 86 is opened to apply a counter pressure to the filling liquid in the filling liquid tank 54.
  • the PET bottle 8 that has been sterilized and washed is held by the container gripper 41, is lifted by the container lifting / lowering means 35, and the neck ring of the PET bottle 8 is sealed against the container opening seal 43 of the filling valve 11 to start filling.
  • the carbon dioxide gas passage opening / closing valve 34a is opened to send aseptic carbon dioxide gas to the filling valve 11.
  • the exhaust passage opening / closing valve 34c is opened to allow the air in the PET bottle 8 to pass through the exhaust passage 37c, the gas discharge passage 32b, The gas is discharged to the gas return pipe 81 through the rotary joint 52.
  • the exhaust passage opening / closing valve 34c is closed, the inside of the PET bottle 8 is brought to the same pressure as the filling liquid tank 54, and the liquid valve 18 of the filling valve 11 is pulled upward to fill the filling liquid.
  • the fluid valve 18 is driven by the air cylinder 22 to close the filling fluid passage 17a, and the sniff gas passage opening / closing valve 34b is opened. Open and sniff the gas pressure in the seal space of the filling valve 11 to normal pressure to complete filling.
  • the CIP action of the filling liquid of the aseptic filling machine 10 for carbonated beverages, the functional product through which carbon dioxide gas passes, piping, etc. will be described.
  • the CIP operation is performed when the carbonated beverage aseptic filling machine 10 is stopped.
  • the on-off valve 106 of the fixed pipe 59 serving as the filling liquid supply pipe is closed, the on-off valve 112 of the branch pipe 111 is opened, the on-off valve 116 of the drainage pipe 115 is opened, and the filling liquid pipe 57
  • the filling liquid is drawn out from the filling liquid tank 54, and the air cylinder 22 is operated to open the liquid valve 18 to draw out the filling liquid from the liquid supply pipe 12 and the filling valve 11, and then all the filling valves are removed.
  • a lid 99 is attached to the lower opening of the container 11 and sealed, and the container lifting / lowering means 35 is placed below the filling valve 11 together with the container gripper 41.
  • the gas pressure regulating valve 86 is closed, and the sterilization steam pipe 84 outside the clean booth 4 and the steam pipe 82 in the clean booth 4 are coupled by the steam coupling 83.
  • the on-off valve 112 of the branch pipe 111 is closed, the on-off valve 108 on the sterilizing cleaning liquid supply pipe 107 is opened, and the sterilizing cleaning liquid is fed into the filling liquid pipe 57 through the lower rotary joint 52.
  • the liquid flow rate adjustment valve 58 is closed to prevent the sterilization cleaning liquid from directly flowing into the filling liquid tank 54, and the on-off valve 96 is opened to clean the cleaning nozzle (shower nozzle in the filling liquid tank 54 from the sterilization sterilization cleaning liquid pipe 61. ) 62, and the inside of the filling liquid tank 54 is cleaned.
  • the liquid level sensor 63 confirms that an appropriate amount of sterilized cleaning liquid has been stored in the filling liquid tank 54, the liquid valve 18 of each filling valve 11 is pulled up, the filling valve 11 is opened, and the exhaust passage opening / closing valve of the exhaust passage 37c.
  • 34c is opened, the sterilized cleaning liquid passes through the exhaust pipe 78, the gas discharge passage 32b, the lower rotary joint 52, separates the gas component and the hot water in the separator 117 through the gas return pipe 81, and is discharged to the outside.
  • the on-off valve 116 of the drainage pipe 115 is left open.
  • the piping through which the sterilizing cleaning liquid passes is shown by a thick solid line in FIG.
  • the on-off valve 108 of the sterilizing cleaning liquid supply pipe 107 is closed to stop the supply of the sterilizing cleaning liquid, the liquid flow rate adjusting valve 58 and the on-off valve 96 are opened, and the filling liquid tank 54, the liquid supply pipe 12, and the filling valve are opened.
  • 11 is discharged from the fixed pipe 59 and the gas return pipe 81, and the on-off valve 94 and the on-off valve 88 are opened to introduce water vapor from the water vapor pipe 82.
  • Water vapor passes through the sterilization filter 56, all gas piping, liquid piping, and condensed water piping 73, and is sent to the gas return piping 81 from the water vapor remaining after passing through the condensed water and the separator 117 of the gas return piping 81.
  • the steam is separated from the warm water, the steam is discharged to the gas return, the warm water is opened from the drainage pipe 115 by opening the on-off valve 116, and the CIP is terminated.
  • the clean booth can be reduced to reduce the cost, the maintenance around the filling valve can be facilitated, and the sterilization in the gas pipe can be ensured.

Abstract

An aseptic filling device for a carbonated beverage is provided with filling valves (11), a rotary joint for liquid, a filling-liquid tank (54), a liquid level sensor (63), a liquid flow rate regulating valve (58), a container gripper, a gas discharge path (37c), a valve (34c) for opening and closing the gas discharge path, a counter-gas path (37a), a valve (34a) for opening and closing the counter-gas path, a rotary joint for carbon oxide gas, a carbon oxide gas path, and a flow rate meter (26).  A container (8) conveyed and rotated is caused to make contact with a filling valve (11), the container is sealed by a container mouth seal, and the container is filled under the pressure of the carbon oxide gas.  A sterilizing filter (56) for sterilizing the carbon oxide gas is mounted in a carbon oxide gas path (72) for interconnecting a rotary joint and the filling-liquid tank (54).

Description

炭酸飲料用無菌充填装置Aseptic filling equipment for carbonated beverages
　本発明は、炭酸ガスにより液貯留部に背圧が加えられている炭酸飲料等の液体を容器に充填する充填装置に関し、特に、充填バルブで処理される飲料液と炭酸ガスとを無菌状態とし、充填バルブ周辺を無菌加圧ガスで囲う充填装置の構成に関する。
　本願は、２００８年０８月１２日に、日本に出願された特願２００８－２０７７７２号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to a filling device that fills a container with a liquid such as carbonated beverage in which a back pressure is applied to a liquid storage portion by carbon dioxide gas, and in particular, a beverage liquid and carbon dioxide gas processed by a filling valve are made sterile. Further, the present invention relates to a configuration of a filling device that surrounds a filling valve periphery with aseptic pressurized gas.
This application claims priority based on Japanese Patent Application No. 2008-207772 for which it applied to Japan on August 12, 2008, and uses the content here.
　従来の特許文献１（例えば、特許文献１の図２）に示す回転式無菌充填装置において、充填液は、下部に置かれたロータリジョイントを通じて、上部に設置された環状のフィラーボウルに供給され、フィラーボウルから各充填バルブへ配給され、炭酸飲料を充填する。充填バルブ内周の回転部囲いと外周の固定部囲いとの間をシールして、内外のガスの交流を断って無菌室が形成される。この無菌室には、容器を載せて上下に移動可能な容器台と充填ノズル、及び容器を搬送する搬送機構を内包する。 In the conventional rotary aseptic filling device shown in Patent Document 1 (for example, FIG. 2 of Patent Document 1), the filling liquid is supplied to the annular filler bowl installed in the upper part through the rotary joint placed in the lower part. It is distributed from the filler bowl to each filling valve and filled with carbonated beverages. A space between the rotary part inner periphery of the filling valve and the outer peripheral fixed part is sealed, and the exchange of gas inside and outside is cut off to form an aseptic chamber. The sterilization chamber contains a container table and a filling nozzle that can be moved up and down by placing a container, and a transport mechanism for transporting the container.
　また、特許文献２（例えば、特許文献２の図１）に示す従来例の無菌充填装置において、充填機本体はクリーンブース内に収容され、充填液と、充填時に容器内空気と置き換えられる加圧炭酸ガスとは、クリーンブースの外に設置された充填液貯留タンクから充填機本体の上部に置かれたロータリジョイントを通して充填機本体に供給される。充填工程で排気される炭酸ガスは、充填機本体の下部に置かれた下部ロータリジョイントから機外に排出される。 Moreover, in the aseptic filling apparatus of the conventional example shown in Patent Document 2 (for example, FIG. 1 of Patent Document 2), the filling machine main body is accommodated in a clean booth, and is replaced with filling liquid and air in the container at the time of filling. Carbon dioxide gas is supplied to the filling machine main body through a rotary joint placed on the upper part of the filling machine main body from a filling liquid storage tank installed outside the clean booth. Carbon dioxide gas exhausted in the filling process is discharged out of the machine from a lower rotary joint placed in the lower part of the filling machine body.
　また、特許文献３（例えば、特許文献３の図１）に示す従来例は、特許文献２の無菌充填装置と殆ど同じ構成を有しており、充填機本体を覆っているクリーンブースの上部に露出しているロータリジョイントを覆うサブチャンバーを追加し、このサブチャンバーにクリーンブースと別の加圧ガスを送り込む構成の充填装置である。 In addition, the conventional example shown in Patent Document 3 (for example, FIG. 1 of Patent Document 3) has almost the same configuration as the aseptic filling device of Patent Document 2, and is placed above the clean booth covering the filling machine body. In this filling device, a sub-chamber covering the exposed rotary joint is added, and another pressurized gas is sent into the sub-chamber.
日本国特開２００３－４０３９６号公報Japanese Unexamined Patent Publication No. 2003-40396 日本国特開２００４－３１５０４５号公報Japanese Unexamined Patent Publication No. 2004-315045 日本国特開２００５－１４９１８号公報Japanese Unexamined Patent Publication No. 2005-14918
　特許文献１に係る従来の充填装置は、充填液配管がフィラーボウルへ通じ、充填バルブは旧式の容器内圧力バランス液面設定型充填バルブとなっている。従って、充填バルブの構造が複雑であり、コスト高で、保守が面倒である。また、ガス配管経路の炭酸ガスの除菌処理が不十分である等の問題点がある。 In the conventional filling apparatus according to Patent Document 1, the filling liquid pipe leads to the filler bowl, and the filling valve is an old-type pressure balance liquid level setting type filling valve in the container. Therefore, the structure of the filling valve is complicated, the cost is high, and maintenance is troublesome. In addition, there are problems such as insufficient sterilization of carbon dioxide in the gas piping path.
　また、特許文献２及び特許文献３に係る充填装置は、充填液タンクが外部に設置されているので、設置面積大きく、また、充填機本体全体を覆っているクリーンブースが大きく、充填液タンクは充填バルブや給液部より下部に配置しているので、配管内部において発生したガスが配管内に溜まって充填液が配管内で滞る可能性がある。 In addition, since the filling apparatus according to Patent Document 2 and Patent Document 3 has a filling liquid tank installed outside, the installation area is large, and the clean booth covering the entire filling machine body is large. Since it arrange | positions below a filling valve or a liquid supply part, the gas generated inside piping may accumulate in piping, and filling liquid may stagnate in piping.
　本発明は、クリーンブースを小さくしてコストを減らし、充填バルブ周辺の保守を容易にし、ガス配管内の滅菌を確実にする炭酸飲料用充填装置を提供することを目的とする。 The present invention aims to provide a carbonated beverage filling device that reduces the cost of the clean booth, reduces costs, facilitates maintenance around the filling valve, and ensures sterilization in the gas piping.
　上記目的を達成するために、本発明は以下の構成を採用する。即ち、
　（１）本発明に係る炭酸飲料用無菌充填装置は、密封状態及び炭酸ガス圧をかけた状態で充填を行う炭酸飲料用無菌充填装置であって、回転板の一定円周上に等間隔に設けられている複数の充填バルブと、固定部と回転部とを有する液用ロータリジョイントと、前記回転板の上部に設置され、前記各充填バルブに連通する複数の給液管と連結する充填液タンクと、前記各充填バルブに設けられて、前記容器内の気体を排出する排気通路と、前記充填バルブに設けられて、前記容器内に加圧ガスを供給するカウンタガス通路と、前記排気通路と、前記カウンタガス通路と、外部の炭酸ガス供給部及び排気部とを連結するガス用ロータリジョイントと、前記ガス用ロータリジョイントと前記充填液タンクを連結する炭酸ガス通路と、前記ガス用ロータリジョイントと前記充填液タンクとを連結する炭酸ガス通路に設置されて、炭酸ガスを滅菌する滅菌フィルタと、を備える。
　（２）前記各充填バルブは、充填液通路と、前記充填液通路を開閉する液バルブと、前記容器及び前記充填バルブを密封するシール機構とを備え、前記液用ロータリジョイントの固定部は、前記無菌充填装置の固定部に設置され、前記液用ロータリジョイントの回転部は、前記無菌充填装置の回転部に設置されている、構成を採用してもよい。
　（３）前記充填液タンク内に設置された液レベルセンサと、前記液用ロータリジョイントから前記充填液タンクへの充填液配管に設置されて、前記液レベルセンサの信号により、充填液の流量を調整する液流量調整弁と、前記排気通路を開閉する排気通路開閉弁と、前記カウンタガス通路を開閉するカウンタガス通路開閉弁と、前記容器を前記充填バルブの真下に位置させるように、前記容器を搬送する容器グリッパと、前記各充填バルブの充填液通路を流れる充填液の流量を計測する流量計と、をさらに備える；構成を採用してもよい。 In order to achieve the above object, the present invention adopts the following configuration. That is,
(1) The aseptic filling apparatus for carbonated drinks according to the present invention is an aseptic filling apparatus for carbonated drinks that performs filling in a sealed state and a state in which carbon dioxide gas pressure is applied, and is equidistant on a constant circumference of the rotating plate. A plurality of filling valves provided, a liquid rotary joint having a fixed portion and a rotating portion, and a filling liquid installed on the rotating plate and connected to a plurality of liquid supply pipes communicating with the filling valves. A tank, an exhaust passage provided in each of the filling valves for discharging the gas in the container, a counter gas passage provided in the filling valve for supplying pressurized gas into the container, and the exhaust passage A gas rotary joint that connects the counter gas passage, an external carbon dioxide supply section and an exhaust section, a carbon dioxide passage that connects the gas rotary joint and the filling liquid tank, and the gas bottom joint. Tali joint and installed in carbon dioxide passage for connecting the filling liquid tank, comprising a sterilizing filter to sterilize the carbon dioxide, the.
(2) Each filling valve includes a filling liquid passage, a liquid valve that opens and closes the filling liquid passage, and a seal mechanism that seals the container and the filling valve, and the fixing portion of the liquid rotary joint includes: A configuration may be adopted in which the rotating part of the liquid rotary joint is installed in the rotating part of the aseptic filling device, and is installed in the fixed part of the aseptic filling device.
(3) A liquid level sensor installed in the filling liquid tank and a filling liquid pipe from the liquid rotary joint to the filling liquid tank, and the flow rate of the filling liquid is determined by a signal from the liquid level sensor. A liquid flow rate adjusting valve for adjusting, an exhaust passage opening / closing valve for opening / closing the exhaust passage, a counter gas passage opening / closing valve for opening / closing the counter gas passage, and the container so that the container is positioned directly below the filling valve. And a flow meter for measuring the flow rate of the filling liquid flowing through the filling liquid passage of each of the filling valves.
　（４）前記炭酸飲料用無菌充填装置の回転軸を中心軸として、前記充填液タンクの下部に設置されて、上向きに伸びている充填液通路とを備え、前記液用ロータリジョイントは、前記充填液通路を介して、前記充填液タンクと連通する、構成を採用してもよい。 (4) a filling liquid passage which is installed in a lower part of the filling liquid tank with a rotation axis of the aseptic filling apparatus for carbonated beverages as a central axis and extends upward; You may employ | adopt the structure connected to the said filling liquid tank via a liquid channel | path.
　（５）前記充填バルブと前記容器グリッパとを収容し、外気からシールして遮断されたクリーンブースと、前記容器の洗浄部に連結されている容器供給入口部と、容器を機外に送出する容器排出部と、をさらに備え、前記容器排出部は、充填バルブ周辺を外気から遮断するように、前記容器を通過し得る最小の面積を有する；構成を採用してもよい。 (5) A clean booth which contains the filling valve and the container gripper and is sealed off from the outside air, a container supply inlet connected to the cleaning part of the container, and a container is sent out of the machine. A container discharge part, and the container discharge part has a minimum area that can pass through the container so as to block the periphery of the filling valve from outside air;
　（６）前記充填液タンクの上部にシャワーノズルを設置し、前記シャワーノズルにサニテーション用の洗浄液配管を連通し、前記洗浄液配管は、充填液配管に連結され、前記充填液配管に、充填液と洗浄液を切り換える切換弁が設置されている、構成を採用してもよい。 (6) A shower nozzle is installed in the upper part of the filling liquid tank, a cleaning liquid pipe for sanitation is communicated with the shower nozzle, the washing liquid pipe is connected to the filling liquid pipe, and a filling liquid is connected to the filling liquid pipe. A configuration may be employed in which a switching valve for switching between the cleaning liquid and the cleaning liquid is installed.
　上記（１）、（２）、及び（３）に係る炭酸飲料用無菌充填装置によれば、充填液タンクを充填機本体に内蔵するので、充填機本体は大きくなるが、システム全体としては小型となっており、保守及び点検が容易である。また、配管経路は充填機本体内で完了するので、充填機の設置場所による配管系の制約を考慮する必要が無い。また、充填機本体内でロータリジョイントから充填液タンクへの炭酸ガス配管に滅菌フィルタを配設しているので、ロータリジョイントにおける炭酸ガス経路は無菌仕様にする必要が無く、構造も簡単となり、コストを安くできる効果がある。 According to the aseptic filling apparatus for carbonated beverages according to the above (1), (2), and (3), since the filling liquid tank is built in the filling machine body, the filling machine body becomes large, but the overall system is small. Maintenance and inspection are easy. Moreover, since the piping route is completed within the filling machine main body, it is not necessary to consider the restriction of the piping system depending on the place where the filling machine is installed. In addition, since the sterilization filter is installed in the carbon dioxide gas pipe from the rotary joint to the filling liquid tank in the filling machine body, the carbon dioxide gas path in the rotary joint does not need to be aseptic, the structure is simple, and the cost is low. There is an effect that can be reduced.
　上記（４）に係る炭酸飲料用無菌充填装置によれば、充填機本体に内蔵する充填液タンクは、充填バルブや給液部であるロータリジョイントより上部に配置しているので、配管内部において発生したガスが配管内を上昇して充填液タンクの水面上に集められるので、充填液が配管に滞る恐れが無い。また、ロータリジョイントから充填液タンクへの液通路は上方に向いていて、製品液や洗浄液を抜くとき、液通路に流れが滞ることがなく、ＣＩＰ（Cleaning in Place：定置洗浄）が容易である。 According to the aseptic filling apparatus for carbonated beverages according to the above (4), the filling liquid tank built in the filling machine main body is arranged above the rotary joint which is the filling valve and the liquid supply part, so that it occurs inside the pipe. Since the gas thus raised rises in the pipe and is collected on the water surface of the filling liquid tank, there is no possibility that the filling liquid will stagnate in the pipe. In addition, the liquid passage from the rotary joint to the filling liquid tank faces upward, and when the product liquid or the cleaning liquid is removed, the flow does not stagnate in the liquid passage, and CIP (Cleaning Place) is easy. .
　上記（５）に係る炭酸飲料用無菌充填装置によれば、クリーンブースを小さくし、装置コストを小さくする効果がある。
　上記（６）に係る炭酸飲料用無菌充填装置は、充填液タンクのＣＩＰ時に有用である。 According to the aseptic filling apparatus for carbonated beverages according to the above (5), there is an effect of reducing the clean booth and reducing the apparatus cost.
The aseptic filling apparatus for carbonated beverages according to the above (6) is useful when the filling liquid tank is CIPed.
本発明の実施形態に係る炭酸飲料用無菌充填機と周辺機器間を搬送される容器の流れとクリーンブースの囲う範囲を示す平面図である。It is a top view which shows the range which the flow of the container conveyed between the aseptic filling machine for carbonated beverages concerning embodiment of this invention, and peripheral devices, and the range which a clean booth encloses. 図１の炭酸飲料用無菌充填機の構成部品間を流れる充填液及び炭酸ガス等の配管系統図である。It is piping system diagrams, such as a filling liquid and carbon dioxide which flow between the components of the aseptic filling machine for carbonated drinks of FIG. 図１の炭酸飲料用無菌充填機の充填バルブ周辺とクリーンブースの概略を示す側面断面図である。It is side surface sectional drawing which shows the outline of the filling valve periphery and clean booth of the aseptic filling machine for carbonated beverages of FIG. 図１の炭酸飲料用無菌充填機を洗浄するときの充填液及び炭酸ガス等の配管上の開閉弁の作動状態を示す配管系統図である。It is a piping system diagram which shows the operating state of the on-off valve on piping, such as a filling liquid and a carbon dioxide gas, when washing | cleaning the aseptic filling machine for carbonated beverages of FIG.
　本発明の実施形態を図に基づいて説明する。図１は、一実施形態に係る炭酸飲料用無菌充填機と周辺機器間を搬送される容器の流れと加圧ガスチャンバーの囲う範囲を示す平面図である。図２は、図１に示す炭酸飲料用無菌充填機の構成部品間を流れる充填液及び炭酸ガス等の配管系統図である。図３は、図１の炭酸飲料用無菌充填機の充填バルブ周辺とクリーンブースの概略を示す側面断面図である。図４は、図１の炭酸飲料用無菌充填機を洗浄するときの充填液及び炭酸ガス等の配管上の開閉弁の作動状態を示す配管系統図である。 Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing a flow of a container transported between a carbonated beverage aseptic filling machine and peripheral equipment according to an embodiment and a range surrounded by a pressurized gas chamber. FIG. 2 is a piping system diagram of filling liquid and carbon dioxide gas flowing between components of the aseptic filling machine for carbonated beverages shown in FIG. FIG. 3 is a side cross-sectional view schematically showing the periphery of the filling valve and the clean booth of the carbonated beverage aseptic filling machine of FIG. FIG. 4 is a piping system diagram showing an operating state of the on-off valve on the piping for filling liquid and carbon dioxide gas when the aseptic filling machine for carbonated beverages of FIG. 1 is washed.
　図１によって炭酸飲料用無菌充填装置におけるＰＥＴボトルの搬送の流れを説明する。
　空のＰＥＴボトル８は、洗浄部Ｗにおいて洗浄殺菌されて、搬送スターホイール２より充填部Ｆの第１スターホイール３へ渡され、第２スターホイール５を経て炭酸飲料用無菌充填機１０へ送り込まれる。炭酸飲料用無菌充填機１０で炭酸飲料を充填された実入りＰＥＴボトル８Ａは、第３スターホイール９に渡され、第３スターホイール９からキャッピング機４０に送られ、キャッピング機４０においてキャップが被せられ、巻締め封止される。ガス入飲料の実入りＰＥＴボトル８Ａは、搬出コンベア４７により機外に搬出される。ＰＥＴボトル８、８Ａの流れに沿って洗浄部Ｗと充填部Ｆとの境界から搬出コンベア４７までクリーンブース４により覆われる。図１の破線でハッチングされたクリーンブース４には常時、加圧された無菌ガス又はエアが送り込まれる。実入りＰＥＴボトル８Ａの出口部は、外気の進入をできるだけ少なくするため、実入りＰＥＴボトル８Ａがやっと通る開口４８とする。即ち、開口４８は、実入りＰＥＴボトル８Ａとほぼ同じ寸法を有しても良い。 The flow of transporting a PET bottle in a carbonated beverage aseptic filling apparatus will be described with reference to FIG.
The empty PET bottle 8 is cleaned and sterilized in the cleaning unit W, passed from the conveying star wheel 2 to the first star wheel 3 of the filling unit F, and sent to the aseptic filling machine 10 for carbonated beverages through the second star wheel 5. It is. The actual PET bottle 8A filled with the carbonated beverage by the carbonated beverage aseptic filling machine 10 is transferred to the third star wheel 9 and sent from the third star wheel 9 to the capping machine 40, and the cap is put on the capping machine 40. , Sealed by winding. The actual PET bottle 8 </ b> A containing the gas-containing beverage is carried out of the machine by the carry-out conveyor 47. The clean booth 4 covers from the boundary between the cleaning unit W and the filling unit F to the carry-out conveyor 47 along the flow of the PET bottles 8 and 8A. A pressurized sterilized gas or air is always fed into the clean booth 4 hatched with a broken line in FIG. The exit of the actual PET bottle 8A is an opening 48 through which the actual PET bottle 8A finally passes in order to minimize the entry of outside air. That is, the opening 48 may have substantially the same dimensions as the actual PET bottle 8A.
　図２により炭酸飲料用無菌充填機１０の構成を説明する。カウンタガスとして炭酸ガスを使用する場合について説明する。
　炭酸飲料用無菌充填機１０は、固定されている部分（固定部）と回転する部分（回転部）とを有する。図２において、二点鎖線で炭酸飲料用無菌充填機１０の回転する部分（回転部）の範囲を示している。
　炭酸飲料用無菌充填機１０の上部に、その固定部と回転部とに結合される上部ロータリジョイント５１が設置されている。炭酸飲料用無菌充填機１０の回転部に、回転制御盤５３が設置されている。
　上部ロータリジョイント５１も固定されている部分(固定側)と回転する部分（回転側）とを有する。上部ロータリジョイント５１の固定側には、固定側の電気信号線６６と、操作エア配管６９と、炭酸ガス配管６８とが結合されている。上部ロータリジョイント５１の回転側には、回転側の電気信号線６６Ａと、炭酸ガス配管６８Ａと、操作エア配管６９Ａとが結合されている。
　電気信号線６６Ａと操作エア配管６９Ａとは、回転制御盤５３に結合されている。炭酸ガス配管６８Ａは、ガス圧調整弁８６によりそのガス圧力が調整制御されて、炭酸ガス配管７２となり、充填液タンク５４と複数の充填バルブ１１とへ送られる。炭酸ガスを滅菌する滅菌フィルタ５６が、上部ロータリジョイント５１と充填液タンク５４との間における炭酸ガス配管７２に設置されている。すなわち、上部ロータリジョイント５１から充填液タンク５４への炭酸ガス配管７２に滅菌フィルタ５６を配設している。これにより、上部ロータリジョイント５１における炭酸ガス経路は無菌仕様にする必要が無く、構造も簡単となり、コストを安くできる効果がある。 The structure of the carbonated beverage aseptic filling machine 10 will be described with reference to FIG. A case where carbon dioxide gas is used as the counter gas will be described.
The aseptic filling machine 10 for carbonated drinks has a fixed part (fixed part) and a rotating part (rotating part). In FIG. 2, the range of the part (rotating part) which the aseptic filling machine 10 for carbonated drinks rotates is shown with the dashed-two dotted line.
An upper rotary joint 51 coupled to the fixed part and the rotating part is installed at the upper part of the aseptic filling machine 10 for carbonated beverages. The rotation control board 53 is installed in the rotation part of the aseptic filling machine 10 for carbonated drinks.
The upper rotary joint 51 also has a fixed part (fixed side) and a rotating part (rotating side). On the fixed side of the upper rotary joint 51, a fixed-side electric signal line 66, an operation air pipe 69, and a carbon dioxide gas pipe 68 are coupled. On the rotation side of the upper rotary joint 51, a rotation-side electric signal line 66A, a carbon dioxide gas pipe 68A, and an operation air pipe 69A are coupled.
The electric signal line 66 </ b> A and the operation air pipe 69 </ b> A are coupled to the rotation control panel 53. The gas pressure of the carbon dioxide gas pipe 68 </ b> A is adjusted and controlled by the gas pressure adjusting valve 86, becomes the carbon dioxide gas pipe 72, and is sent to the filling liquid tank 54 and the plurality of filling valves 11. A sterilization filter 56 for sterilizing carbon dioxide gas is installed in the carbon dioxide gas pipe 72 between the upper rotary joint 51 and the filling liquid tank 54. That is, the sterilization filter 56 is disposed in the carbon dioxide gas pipe 72 from the upper rotary joint 51 to the filling liquid tank 54. As a result, the carbon dioxide gas path in the upper rotary joint 51 does not need to be aseptic, the structure is simplified, and the cost can be reduced.
　逆止弁８５は、炭酸ガスの逆流を防ぐものである。炭酸ガス配管７２、配管７５、炭酸ガス通路３２ａ（図３に示すようにガス通路ブロック３２に形成されている）に通じる配管７６に、圧力調整弁９１が設置される。圧力調整弁９１は配管７７を通じてリターンガス配管であるガス排出通路３２ｂに結合されている。ガス圧センサ６４は充填液タンク５４内のガス圧を検出する。回転制御盤５３は、ガス圧センサ６４が検出したガス圧を設定圧と比較し、設定圧より高かったとき、充填液タンク５４に供給される炭酸ガスの圧力が設定圧になるように、ガス圧調整弁８６を制御する。また、ガス圧センサ６４が検出したガス圧が充填液タンク５４の設定ガス圧より低いとき、回転制御盤５３は、設定圧まで上がるようにガス圧調整弁８６を制御する。開閉弁９２、９３は、炭酸飲料用無菌充填機１０を停止するときや、作業開始前、作業停止時等の殺菌洗浄時に炭酸ガスを抜く場合に使われる。圧力安全弁９５は、配管系統内の過大圧を避けるためのものである。 The check valve 85 prevents the backflow of carbon dioxide gas. A pressure regulating valve 91 is installed in a pipe 76 communicating with the carbon dioxide pipe 72, the pipe 75, and the carbon dioxide passage 32a (formed in the gas passage block 32 as shown in FIG. 3). The pressure regulating valve 91 is connected through a pipe 77 to a gas discharge passage 32b that is a return gas pipe. The gas pressure sensor 64 detects the gas pressure in the filling liquid tank 54. The rotation control panel 53 compares the gas pressure detected by the gas pressure sensor 64 with the set pressure, and when the pressure is higher than the set pressure, the gas is adjusted so that the pressure of the carbon dioxide gas supplied to the filling liquid tank 54 becomes the set pressure. The pressure regulating valve 86 is controlled. When the gas pressure detected by the gas pressure sensor 64 is lower than the set gas pressure in the filling liquid tank 54, the rotation control panel 53 controls the gas pressure adjustment valve 86 so as to increase to the set pressure. The on-off valves 92 and 93 are used when the carbonated beverage aseptic filling machine 10 is stopped, or when carbon dioxide gas is extracted before sterilization and washing before starting the work or when the work is stopped. The pressure safety valve 95 is for avoiding an excessive pressure in the piping system.
　炭酸飲料用無菌充填機１０の下部に、固定部と回転部とに結合される下部ロータリジョイント５２が設置される。充填液は、外部の固定配管５９から下部ロータリジョイント５２を介して炭酸飲料用無菌充填機１０の中心を通る充填液配管５７により垂直に上昇して、上部に設置された充填液タンク５４に流入する。開閉弁１０６は、固定配管５９により供給される充填液の切換時に使用される。開閉弁１０８は、滅菌洗浄液供給配管１０７により供給される滅菌洗浄液の切換時に使用される。 A lower rotary joint 52 coupled to the fixed part and the rotating part is installed at the lower part of the aseptic filling machine 10 for carbonated drinks. The filling liquid ascends vertically from the external fixed pipe 59 through the lower rotary joint 52 through the filling liquid pipe 57 passing through the center of the aseptic filling machine 10 for carbonated beverages and flows into the filling liquid tank 54 installed at the upper part. To do. The on-off valve 106 is used when the filling liquid supplied by the fixed pipe 59 is switched. The on-off valve 108 is used when switching the sterilized cleaning liquid supplied by the sterilized cleaning liquid supply pipe 107.
　ガス排出通路３２ｂも下部ロータリジョイント５２に結合され、リターンガスは固定側のガスリターン配管８１へ排出される。
　分離器１１７は、ガスと水とを分離し、分離器１１７から分岐した排水用配管１１５には開閉弁１１６が設置される。滅菌洗浄液供給配管１０７と排水用配管１１５との間に分岐配管１１１が設置され、分岐配管１１１には開閉弁１１２が設置されている。分離器１１７、排水用配管１１５、開閉弁１１６、分岐配管１１１、開閉弁１１２は、ＣＩＰを行うときに使用される。 The gas discharge passage 32b is also coupled to the lower rotary joint 52, and the return gas is discharged to the gas return pipe 81 on the fixed side.
The separator 117 separates gas and water, and an open / close valve 116 is installed in the drainage pipe 115 branched from the separator 117. A branch pipe 111 is installed between the sterilizing cleaning liquid supply pipe 107 and the drain pipe 115, and an open / close valve 112 is installed in the branch pipe 111. The separator 117, drainage pipe 115, on-off valve 116, branch pipe 111, and on-off valve 112 are used when CIP is performed.
　充填液タンク５４には、充填バルブ１１のそれぞれに連通し且つ充填液を配送する複数の給液配管１２が取付けられている。充填液タンク５４内に充填液の水面高さを検出する液面レベルセンサ６３が設置されている。充填液配管５７に設置された液流量調整弁５８が液面レベルセンサ６３の信号により充填液の流量を調整して、充填液タンク５４内の充填液の液面高さを設定範囲に制御する。 The filling liquid tank 54 is provided with a plurality of liquid supply pipes 12 that communicate with each of the filling valves 11 and deliver the filling liquid. In the filling liquid tank 54, a liquid level sensor 63 for detecting the water surface height of the filling liquid is installed. A liquid flow rate adjustment valve 58 installed in the filling liquid pipe 57 adjusts the flow rate of the filling liquid according to the signal of the liquid level sensor 63 to control the liquid level height of the filling liquid in the filling liquid tank 54 within a set range. .
　図３に示すように、充填液通路１７ａを開閉する液バルブ１８を有する複数の充填バルブ１１は、上部回転板２０の一定円周上に等間隔に設けられている。各充填バルブ１１の下部には、ＰＥＴボトル８を保持するグリッパ４１を備える容器昇降機構３５が設置されている。容器昇降機構３５は、充填バルブ１１の真下に位置するようにＰＥＴボトル８を搬送し、ＰＥＴボトル８を充填バルブ１１に当接するために上下移動する。 As shown in FIG. 3, the plurality of filling valves 11 having the liquid valves 18 that open and close the filling liquid passage 17 a are provided at regular intervals on a constant circumference of the upper rotating plate 20. A container elevating mechanism 35 including a gripper 41 that holds the PET bottle 8 is installed below each filling valve 11. The container lifting mechanism 35 transports the PET bottle 8 so as to be positioned directly below the filling valve 11, and moves up and down to bring the PET bottle 8 into contact with the filling valve 11.
　各充填バルブ１１にＰＥＴボトル８が当接され、充填液を充填する工程にはカウンタガスである炭酸ガスをＰＥＴボトル８内のエアと置き換える必要がある。そのため、加圧ガスをＰＥＴボトル８内に供給する炭酸ガス通路３７ａと、炭酸ガス通路３７ａを開閉する炭酸ガス通路開閉弁３４ａと、ＰＥＴボトル８から炭酸ガスに置き換えられた空気を排出する排気通路３７ｃと、排気通路３７ｃを開閉する排気通路開閉弁３４ｃと、ＰＥＴボトル８に充填液を充填した後にＰＥＴボトル８の内圧を大気圧に戻すために反応ガスを排出させるスニフトガス通路３７ｂと、スニフトガス通路３７ｂに設置された絞り弁２９と、スニフトガス通路３７ｂを開閉するスニフトガス通路開閉弁３４ｂとが設置されている。 The PET bottle 8 is brought into contact with each filling valve 11, and in the process of filling the filling liquid, it is necessary to replace the carbon dioxide gas, which is a counter gas, with the air in the PET bottle 8. Therefore, a carbon dioxide gas passage 37a that supplies pressurized gas into the PET bottle 8, a carbon dioxide gas passage opening / closing valve 34a that opens and closes the carbon dioxide gas passage 37a, and an exhaust passage that discharges air replaced with carbon dioxide from the PET bottle 8. 37c, an exhaust passage opening / closing valve 34c that opens and closes the exhaust passage 37c, a sniff gas passage 37b that discharges the reaction gas to return the internal pressure of the PET bottle 8 to atmospheric pressure after filling the filling liquid into the PET bottle 8, and a sniff gas passage A throttle valve 29 installed in 37b and a sniff gas passage opening / closing valve 34b for opening and closing the sniff gas passage 37b are installed.
　図３により充填バルブ１１とその周辺の構成について説明する。充填バルブ１１は上部回転板２０によって支持されている。充填バルブ１１の本体１７には、充填液である炭酸飲料を供給する給液配管１２と、炭酸ガス通路３７ａと、スニフトガス通路３７ｂと、充填のとき、ＰＥＴボトル８内から追い出されたエアやエアに置き換えられた炭酸ガスを排出する排気通路３７ｃとが連結している。給液配管１２には、炭酸飲料の供給量を計測する流量計２６と、液量を２ステップに調整できる流量切換弁２７とが設けてある。 The construction of the filling valve 11 and its surroundings will be described with reference to FIG. The filling valve 11 is supported by the upper rotating plate 20. The main body 17 of the filling valve 11 is provided with a liquid supply pipe 12 for supplying a carbonated beverage as a filling liquid, a carbon dioxide gas passage 37a, a snift gas passage 37b, and air or air expelled from the PET bottle 8 at the time of filling. An exhaust passage 37c for discharging the carbon dioxide gas replaced with is connected. The liquid supply pipe 12 is provided with a flow meter 26 that measures the amount of carbonated beverage supplied and a flow rate switching valve 27 that can adjust the amount of liquid in two steps.
　充填バルブ１１の本体１７の上にエアシリンダ２２が取付けられ、エアシリンダ２２の駆動ロッド部に液バルブ１８が固着される。液バルブ１８は電磁弁２４において、図示せぬ制御装置からの操作信号により圧縮エアの通路が切り換えられてエアシリンダ２２が駆動され、充填液通路１７ａを開閉する。シールパッキン１５は、液バルブ１８のテーパー１８ａに形成された溝に嵌め込まれている。 The air cylinder 22 is mounted on the main body 17 of the filling valve 11, and the liquid valve 18 is fixed to the drive rod portion of the air cylinder 22. The liquid valve 18 is a solenoid valve 24 whose compressed air passage is switched by an operation signal from a control device (not shown) and the air cylinder 22 is driven to open and close the filling liquid passage 17a. The seal packing 15 is fitted into a groove formed in the taper 18 a of the liquid valve 18.
　充填バルブ１１の下側開口部に設けられた容器口シール４３にＰＥＴボトル８を当て、エアシリンダ２２を駆動して液バルブ１８を開いて炭酸飲料を充填するとき、電磁弁２５の作動により流量切換弁２７を先ず大流量側に開き、充填が進んで充填量がＰＥＴボトル８の容量に達する前に小流量に切り換え、積算流量が設定値となったとき、エアシリンダ２２を逆作動して液バルブ１８を閉じる。容器口シール４３は、ナット１９により本体１７に装着されている。 When the PET bottle 8 is applied to the container mouth seal 43 provided in the lower opening of the filling valve 11 and the air cylinder 22 is driven to open the liquid valve 18 to fill the carbonated beverage, the flow rate is increased by the operation of the electromagnetic valve 25. First, the switching valve 27 is opened to the large flow rate side, and the filling is advanced and switched to a small flow rate before the filling amount reaches the capacity of the PET bottle 8. When the integrated flow rate reaches the set value, the air cylinder 22 is reversely operated. The liquid valve 18 is closed. The container port seal 43 is attached to the main body 17 by the nut 19.
　各充填バルブ１１の本体１７にはそれぞれ炭酸ガス通路３７ａと、スニフトガス通路３７ｂと、排気通路３７ｃとが結合され、何れの通路も本体１７内の充填液通路１７ａと通じるガス管１７ｂに連通している。それぞれの前記ガス通路３７ａ、３７ｂ、３７ｃは、開閉弁ブロック３１に取り付けられた各開閉弁３４ａ、３４ｂ、３４ｃによって開閉される。開閉弁ブロック３１は、リング状のガス通路ブロック３２に取付けられ、ガス通路ブロック３２には、炭酸ガス通路３２ａとガス排出通路３２ｂとが備えられている。 A carbon dioxide gas passage 37 a, a snift gas passage 37 b, and an exhaust passage 37 c are coupled to the main body 17 of each filling valve 11, and any of the passages communicates with a gas pipe 17 b communicating with the filling liquid passage 17 a in the main body 17. Yes. The gas passages 37a, 37b, and 37c are opened and closed by the on-off valves 34a, 34b, and 34c attached to the on-off valve block 31, respectively. The on-off valve block 31 is attached to a ring-shaped gas passage block 32, and the gas passage block 32 is provided with a carbon dioxide gas passage 32a and a gas discharge passage 32b.
　ＰＥＴボトル８をグリップした容器グリッパ４１は、容器昇降機構３５により上下移動して、ＰＥＴボトル８を充填バルブ１１の下側の容器口シール４３に接離する。容器昇降機構３５は、上部回転板２０と縦通材２３により一体になっている下部回転板２１に取付けられ、充填バルブ１１と一緒に回転する。容器昇降機構３５の昇降軸３６にはカムフォロワ４２が設けられて、外部固定のカム４６の作用により炭酸飲料用無菌充填機１０の回転時、所定の角度位置で容器グリッパ４１を昇降させる。 The container gripper 41 that grips the PET bottle 8 is moved up and down by the container lifting mechanism 35 to bring the PET bottle 8 into and out of contact with the container opening seal 43 below the filling valve 11. The container elevating mechanism 35 is attached to the lower rotating plate 21 integrated with the upper rotating plate 20 and the longitudinal member 23 and rotates together with the filling valve 11. A cam follower 42 is provided on the lifting shaft 36 of the container lifting mechanism 35, and the container gripper 41 is lifted and lowered at a predetermined angular position when the carbonated beverage aseptic filling machine 10 is rotated by the action of an externally fixed cam 46.
　上部回転板２０と下部回転板２１の内周側で、縦通材２３に沿って内側囲い１６が取付けられ、また、上下部回転板２０、２１の外周側には、外部固定部材２８に固定した外側囲い７の水封ラビリンス３８、３９に浸かってガスシールする下向きのラビリンス板が取付けられている。上部回転板２０と下部回転板２１と内側囲い１６と外側囲い７とで囲われたクリーンブース４には、常時、外気圧より高い圧力がかかっている。下部回転板２１と容器昇降機構３５の間に設けられた圧縮ばね４５は容器昇降機構３５に上昇力を与えるためのもので、ベローズ４４はクリーンブース４の内部と遮断するためのものである。 On the inner peripheral side of the upper rotary plate 20 and the lower rotary plate 21, the inner enclosure 16 is attached along the longitudinal member 23, and fixed to the external fixing member 28 on the outer peripheral side of the upper and lower rotary plates 20, 21. A downward labyrinth plate which is immersed in the water-sealed labyrinths 38 and 39 of the outer enclosure 7 and gas-sealed is attached. The clean booth 4 surrounded by the upper rotary plate 20, the lower rotary plate 21, the inner enclosure 16 and the outer enclosure 7 is constantly subjected to a pressure higher than the external pressure. A compression spring 45 provided between the lower rotating plate 21 and the container elevating mechanism 35 is for giving an ascending force to the container elevating mechanism 35, and a bellows 44 is for blocking the inside of the clean booth 4.
　図２により炭酸飲料用無菌充填機１０の充填作用を説明する。
　後述するＣＩＰにより、充填バルブ１１への給液配管１２、充填バルブ１１の本体１７の充填液通路１７ａ、液バルブ１８、各ガス通路３７ａ、３７ｂ、３７ｃ、充填バルブ１１のＰＥＴボトル８に接触するシール面等の充填液と処理ガスである炭酸ガスが触れる部分を滅菌処理し、ＣＩＰに使用した洗浄液、水蒸気を各配管系統から抜き去る。次いで開閉弁１０６を開いて、充填液配管５７を通じて充填液タンク５４に充填液を送り、貯留し、ガス圧調整弁８６を開いて充填液タンク５４内の充填液にカウンタ圧をかけた後、容器グリッパ４１で殺菌洗浄済みのＰＥＴボトル８を把持し、容器昇降手段３５で上昇してＰＥＴボトル８のネックリングを充填バルブ１１の容器口シール４３に当ててシールし、充填を開始する。 The filling action of the carbonated beverage aseptic filling machine 10 will be described with reference to FIG.
By CIP to be described later, the liquid supply pipe 12 to the filling valve 11, the filling liquid passage 17 a of the main body 17 of the filling valve 11, the liquid valve 18, the gas passages 37 a, 37 b, 37 c, and the PET bottle 8 of the filling valve 11 are contacted. The portion where the filling liquid such as the sealing surface comes into contact with carbon dioxide as the processing gas is sterilized, and the cleaning liquid and water vapor used for CIP are removed from each piping system. Next, the on-off valve 106 is opened, the filling liquid is sent to the filling liquid tank 54 through the filling liquid pipe 57 and stored, and the gas pressure adjusting valve 86 is opened to apply a counter pressure to the filling liquid in the filling liquid tank 54. The PET bottle 8 that has been sterilized and washed is held by the container gripper 41, is lifted by the container lifting / lowering means 35, and the neck ring of the PET bottle 8 is sealed against the container opening seal 43 of the filling valve 11 to start filling.
　炭酸ガス通路開閉弁３４ａを開いて、無菌の炭酸ガスを充填バルブ１１へ送り出し、同時に、排気通路開閉弁３４ｃを開いてＰＥＴボトル８内のエアを排気通路３７ｃと、ガス排出通路３２ｂと、下部ロータリジョイント５２とを経てガスリターン配管８１へ排出する。ＰＥＴボトル８内が炭酸ガスに置き換えられた後、排気通路開閉弁３４ｃを閉じ、ＰＥＴボトル８内を充填液タンク５４と同圧にして充填バルブ１１の液バルブ１８を上方に引き上げて、充填液通路１７ａを開き、流量計２６により炭酸飲料の流量を検出し、積算して設定量に達したら、エアシリンダ２２で液バルブ１８を駆動して充填液通路１７ａを閉じ、スニフトガス通路開閉弁３４ｂを開いて充填バルブ１１のシール空間のガス圧を常圧にスニフトして充填を完了する。 The carbon dioxide gas passage opening / closing valve 34a is opened to send aseptic carbon dioxide gas to the filling valve 11. At the same time, the exhaust passage opening / closing valve 34c is opened to allow the air in the PET bottle 8 to pass through the exhaust passage 37c, the gas discharge passage 32b, The gas is discharged to the gas return pipe 81 through the rotary joint 52. After the inside of the PET bottle 8 is replaced with carbon dioxide gas, the exhaust passage opening / closing valve 34c is closed, the inside of the PET bottle 8 is brought to the same pressure as the filling liquid tank 54, and the liquid valve 18 of the filling valve 11 is pulled upward to fill the filling liquid. When the passage 17a is opened and the flow rate of the carbonated beverage is detected by the flow meter 26 and integrated to reach the set amount, the fluid valve 18 is driven by the air cylinder 22 to close the filling fluid passage 17a, and the sniff gas passage opening / closing valve 34b is opened. Open and sniff the gas pressure in the seal space of the filling valve 11 to normal pressure to complete filling.
　図４により炭酸飲料用無菌充填機１０の充填液、炭酸ガスが通る機能品、配管等のＣＩＰ作用を説明する。
　ＣＩＰの作業は、炭酸飲料用無菌充填機１０が停止しているときに行われる。図示しない制御装置の指示により、充填液供給配管である固定配管５９の開閉弁１０６を閉じ、分岐配管１１１の開閉弁１１２を開き、排水用配管１１５の開閉弁１１６を開いて、充填液配管５７、充填液タンク５４から充填液を抜き、また、エアシリンダ２２を操作して液バルブ１８を開に作動して、給液配管１２、充填バルブ１１から充填液を抜いた後、全部の充填バルブ１１の下側開口部に蓋９９を取付け、密封し、容器昇降手段３５は容器グリッパ４１と共に充填バルブ１１の下方に離して置く。ガス圧調整弁８６を閉にし、クリーンブース４の外に在る滅菌用水蒸気配管８４とクリーンブース４内の水蒸気配管８２を水蒸気用カップリング８３で結合する。 The CIP action of the filling liquid of the aseptic filling machine 10 for carbonated beverages, the functional product through which carbon dioxide gas passes, piping, etc. will be described.
The CIP operation is performed when the carbonated beverage aseptic filling machine 10 is stopped. In response to an instruction from a control device (not shown), the on-off valve 106 of the fixed pipe 59 serving as the filling liquid supply pipe is closed, the on-off valve 112 of the branch pipe 111 is opened, the on-off valve 116 of the drainage pipe 115 is opened, and the filling liquid pipe 57 The filling liquid is drawn out from the filling liquid tank 54, and the air cylinder 22 is operated to open the liquid valve 18 to draw out the filling liquid from the liquid supply pipe 12 and the filling valve 11, and then all the filling valves are removed. A lid 99 is attached to the lower opening of the container 11 and sealed, and the container lifting / lowering means 35 is placed below the filling valve 11 together with the container gripper 41. The gas pressure regulating valve 86 is closed, and the sterilization steam pipe 84 outside the clean booth 4 and the steam pipe 82 in the clean booth 4 are coupled by the steam coupling 83.
　分岐配管１１１の開閉弁１１２を閉じ、滅菌洗浄液供給配管１０７上の開閉弁１０８を開にして、下部ロータリジョイント５２を経て充填液配管５７に滅菌洗浄液を送り込む。
　液流量調整弁５８を閉じて充填液タンク５４へ滅菌洗浄液が直接流入することを避け、開閉弁９６を開いて、サニテーション用の滅菌洗浄液配管６１から充填液タンク５４内の洗浄ノズル（シャワーノズル）６２へ送り、充填液タンク５４内を洗浄する。 The on-off valve 112 of the branch pipe 111 is closed, the on-off valve 108 on the sterilizing cleaning liquid supply pipe 107 is opened, and the sterilizing cleaning liquid is fed into the filling liquid pipe 57 through the lower rotary joint 52.
The liquid flow rate adjustment valve 58 is closed to prevent the sterilization cleaning liquid from directly flowing into the filling liquid tank 54, and the on-off valve 96 is opened to clean the cleaning nozzle (shower nozzle in the filling liquid tank 54 from the sterilization sterilization cleaning liquid pipe 61. ) 62, and the inside of the filling liquid tank 54 is cleaned.
　滅菌洗浄液が充填液タンク５４内に適量貯留したことを液面レベルセンサ６３で確認して、各充填バルブ１１の液バルブ１８を引き上げて、充填バルブ１１を開き、排気通路３７ｃの排気通路開閉弁３４ｃを開くと、滅菌洗浄液は排気配管７８、ガス排出通路３２ｂ、下部ロータリジョイント５２を経て、ガスリターン配管８１を経て分離器１１７でガス成分と温水を分離し、それぞれ機外に排出される。このとき、排水用配管１１５の開閉弁１１６は開いて置く。滅菌洗浄液の通る配管を図４において、太い実線で示している。 The liquid level sensor 63 confirms that an appropriate amount of sterilized cleaning liquid has been stored in the filling liquid tank 54, the liquid valve 18 of each filling valve 11 is pulled up, the filling valve 11 is opened, and the exhaust passage opening / closing valve of the exhaust passage 37c. When 34c is opened, the sterilized cleaning liquid passes through the exhaust pipe 78, the gas discharge passage 32b, the lower rotary joint 52, separates the gas component and the hot water in the separator 117 through the gas return pipe 81, and is discharged to the outside. At this time, the on-off valve 116 of the drainage pipe 115 is left open. The piping through which the sterilizing cleaning liquid passes is shown by a thick solid line in FIG.
　次に、滅菌洗浄液供給配管１０７の開閉弁１０８を閉じて滅菌洗浄液の供給を止め、液流量調整弁５８と、開閉弁９６とを開いて、充填液タンク５４、給液配管１２、及び充填バルブ１１内の滅菌洗浄液を固定配管５９及びガスリターン配管８１から排出し、開閉弁９４と、開閉弁８８とを開いて水蒸気配管８２から水蒸気を導入する。水蒸気は滅菌フィルタ５６、全てのガス配管、液配管、コンデンス水配管７３を通って残った水蒸気とコンデンスした水が加わった洗浄水とをガスリターン配管８１へ送り、ガスリターン配管８１の分離器１１７で水蒸気と温水を分離し、水蒸気はガスリターンへ、温水は開閉弁１１６を開いて排水用配管１１５から排出してＣＩＰを終了する。 Next, the on-off valve 108 of the sterilizing cleaning liquid supply pipe 107 is closed to stop the supply of the sterilizing cleaning liquid, the liquid flow rate adjusting valve 58 and the on-off valve 96 are opened, and the filling liquid tank 54, the liquid supply pipe 12, and the filling valve are opened. 11 is discharged from the fixed pipe 59 and the gas return pipe 81, and the on-off valve 94 and the on-off valve 88 are opened to introduce water vapor from the water vapor pipe 82. Water vapor passes through the sterilization filter 56, all gas piping, liquid piping, and condensed water piping 73, and is sent to the gas return piping 81 from the water vapor remaining after passing through the condensed water and the separator 117 of the gas return piping 81. The steam is separated from the warm water, the steam is discharged to the gas return, the warm water is opened from the drainage pipe 115 by opening the on-off valve 116, and the CIP is terminated.
　本発明の炭酸飲料用充填装置によれば、クリーンブースを小さくしてコストを減らし、充填バルブ周辺の保守を容易にし、ガス配管内の滅菌を確実にすることができる。 According to the filling apparatus for carbonated drinks of the present invention, the clean booth can be reduced to reduce the cost, the maintenance around the filling valve can be facilitated, and the sterilization in the gas pipe can be ensured.
４　　　　クリーンブース
７　　　　外側囲い
８　　　　　　　ＰＥＴボトル
１０　　　　　　炭酸飲料用無菌充填機
１１　　　　　　充填バルブ
１２　　　　　　充填液配管
１６　　　　　　内側囲い
１８　　　　　　液バルブ
２０　　　　　　上部回転板
２１　　　　　　下部回転板
２６　　　　　　流量計
３４ａ　　　　　炭酸ガス通路開閉弁
３４ｃ　　　　　排気通路開閉弁
３５　　　　　　容器昇降手段
３７ａ、７２　　炭酸ガス通路
３７ｃ　　　　　排気通路
４１　　　　　　グリッパ
４３　　　　　　容器口シール
５１　　　　　　上部ロータリジョイント
５２　　　　　　下部ロータリジョイント
５３　　　　　　回転制御盤
５４　　　　　　充填液タンク
５６　　　　　　滅菌フィルタ
５７　　　　　　充填液供給配管
５８　　　　　　液流量調整弁
６１　　　　　　滅菌洗浄液配管
６２　　　　　　洗浄ノズル
１０６、１０８　開閉弁 4 Clean booth 7 Outer enclosure 8 PET bottle 10 Aseptic filling machine for carbonated beverage 11 Filling valve 12 Filling liquid piping 16 Inner enclosure 18 Liquid valve 20 Upper rotating plate 21 Lower rotating plate 26 Flowmeter 34a Carbon dioxide gas passage opening / closing valve 34c Exhaust passage opening / closing Valve 35 Container raising / lowering means 37a, 72 Carbon dioxide gas passage 37c Exhaust passage 41 Gripper 43 Container port seal 51 Upper rotary joint 52 Lower rotary joint 53 Rotation control panel 54 Filling liquid tank 56 Sterilization filter 57 Filling liquid supply piping 58 Liquid flow rate adjustment valve 61 Sterilization cleaning liquid piping 62 Cleaning nozzles 106, 108 On-off valve

Claims (6)

  1. 　密封状態及び炭酸ガス圧をかけた状態で充填を行う炭酸飲料用無菌充填装置であって、
    　回転板の一定円周上に等間隔に設けられている複数の充填バルブと、
    　固定部と回転部とを有する液用ロータリジョイントと、
    　前記回転板の上部に設置され、前記各充填バルブに連通する複数の給液管と連結する充填液タンクと、
    　前記各充填バルブに設けられて、前記容器内の気体を排出する排気通路と、
    　前記充填バルブに設けられて、前記容器内に加圧ガスを供給するカウンタガス通路と、
    　前記排気通路と、前記カウンタガス通路と、外部の炭酸ガス供給部及び排気部とを連結するガス用ロータリジョイントと、
    　前記ガス用ロータリジョイントと前記充填液タンクを連結する炭酸ガス通路と、
    　前記ガス用ロータリジョイントと前記充填液タンクとを連結する炭酸ガス通路に設置されて、炭酸ガスを滅菌する滅菌フィルタと、
    　を備えることを特徴とする炭酸飲料用無菌充填装置。     An aseptic filling device for carbonated beverages that fills in a sealed state and a state where carbon dioxide gas pressure is applied,
    A plurality of filling valves provided at regular intervals on a constant circumference of the rotating plate;
    A liquid rotary joint having a fixed portion and a rotating portion;
    A filling liquid tank that is installed at the top of the rotating plate and is connected to a plurality of liquid supply pipes that communicate with the filling valves;
    An exhaust passage provided in each of the filling valves for discharging the gas in the container;
    A counter gas passage provided in the filling valve for supplying pressurized gas into the container;
    A gas rotary joint that connects the exhaust passage, the counter gas passage, an external carbon dioxide supply section and an exhaust section;
    A carbon dioxide gas passage connecting the rotary joint for gas and the filling liquid tank;
    A sterilization filter installed in a carbon dioxide gas passage connecting the rotary joint for gas and the filling liquid tank, and sterilizing carbon dioxide;
    An aseptic filling apparatus for carbonated drinks, comprising:
  2. 　前記各充填バルブは、充填液通路と、前記充填液通路を開閉する液バルブと、前記容器及び前記充填バルブを密封するシール機構とを備え、
    　前記液用ロータリジョイントの固定部は、前記無菌充填装置の固定部に設置され、前記液用ロータリジョイントの回転部は、前記無菌充填装置の回転部に設置されている、ことを特徴とする請求項１に記載の炭酸飲料用無菌充填装置。     Each filling valve includes a filling liquid passage, a liquid valve that opens and closes the filling liquid passage, and a seal mechanism that seals the container and the filling valve,
    The fixed portion of the liquid rotary joint is installed in a fixed portion of the aseptic filling device, and the rotating portion of the liquid rotary joint is installed in the rotating portion of the aseptic filling device. Item 2. The aseptic filling apparatus for carbonated drinks according to Item 1.
  3. 　前記充填液タンク内に設置された液レベルセンサと、
    　前記液用ロータリジョイントから前記充填液タンクへの充填液配管に設置されて、前記液レベルセンサの信号により、充填液の流量を調整する液流量調整弁と、
    　前記排気通路を開閉する排気通路開閉弁と、
    　前記カウンタガス通路を開閉するカウンタガス通路開閉弁と、
    　前記容器を前記充填バルブの真下に位置させるように、前記容器を搬送する容器グリッパと、
    　前記各充填バルブの充填液通路を流れる充填液の流量を計測する流量計と、
    　をさらに備えることを特徴とする請求項２に記載の炭酸飲料用無菌充填装置。     A liquid level sensor installed in the filling liquid tank;
    A liquid flow rate adjusting valve that is installed in a filling liquid pipe from the liquid rotary joint to the filling liquid tank and adjusts the flow rate of the filling liquid according to a signal of the liquid level sensor;
    An exhaust passage opening / closing valve for opening and closing the exhaust passage;
    A counter gas passage opening / closing valve for opening and closing the counter gas passage;
    A container gripper for transporting the container so as to position the container directly under the filling valve;
    A flow meter for measuring the flow rate of the filling liquid flowing through the filling liquid passage of each filling valve;
    The aseptic filling device for carbonated beverages according to claim 2, further comprising:
  4. 　前記炭酸飲料用無菌充填装置の回転軸を中心軸として、前記充填液タンクの下部に設置されて、上向きに伸びている充填液通路とを備え、
    　前記液用ロータリジョイントは、前記充填液通路を介して、前記充填液タンクと連通する、ことを特徴とする請求項１に記載の炭酸飲料用無菌充填装置。     With the rotation axis of the aseptic filling device for carbonated beverages as a central axis, it is installed in the lower part of the filling liquid tank, and comprises a filling liquid passage extending upward,
    The aseptic filling device for carbonated beverages according to claim 1, wherein the rotary joint for liquid communicates with the filling liquid tank via the filling liquid passage.
  5. 　前記充填バルブと前記容器グリッパとを収容し、外気からシールして遮断されたクリーンブースと、
    　前記容器の洗浄部に連結されている容器供給入口部と、容器を機外に送出する容器排出部と、をさらに備え、
    　前記容器排出部は、充填バルブ周辺を外気から遮断するように、前記容器を通過し得る最小の面積を有する、ことを特徴とする請求項１から４のいずれか一項に記載の炭酸飲料用無菌充填装置。     A clean booth that contains the filling valve and the container gripper and is sealed off from the outside air,
    A container supply inlet connected to the container cleaning part, and a container discharge part for sending the container out of the machine,
    The carbonated beverage according to any one of claims 1 to 4, wherein the container discharge part has a minimum area that can pass through the container so as to block the periphery of the filling valve from outside air. Aseptic filling device.
  6. 　前記充填液タンクの上部にシャワーノズルを設置し、
    　前記シャワーノズルにサニテーション用の洗浄液配管を連通し、
    　前記洗浄液配管は、充填液配管に連結され、
    　前記充填液配管に、充填液と洗浄液を切り換える切換弁が設置されている、ことを特徴とする請求項１から４の何れか一項に記載の炭酸飲料用無菌充填装置。
          A shower nozzle is installed at the top of the filling liquid tank,
    Communicating cleaning liquid piping for sanitation to the shower nozzle,
    The cleaning liquid pipe is connected to a filling liquid pipe,
    The aseptic filling apparatus for carbonated beverages according to any one of claims 1 to 4, wherein a switching valve for switching between a filling liquid and a washing liquid is installed in the filling liquid piping.
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