JP6159650B2 - Container heat treatment equipment - Google Patents

Container heat treatment equipment Download PDF

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JP6159650B2
JP6159650B2 JP2013241120A JP2013241120A JP6159650B2 JP 6159650 B2 JP6159650 B2 JP 6159650B2 JP 2013241120 A JP2013241120 A JP 2013241120A JP 2013241120 A JP2013241120 A JP 2013241120A JP 6159650 B2 JP6159650 B2 JP 6159650B2
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water
watering
temperature
storage tank
water storage
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JP2015100281A (en
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加賀　忠
忠 加賀
義裕 高木
義裕 高木
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Shibuya Machinery Co Ltd
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Description

本発明は、製品が充填されてキャッピングが行われた状態で供給される容器に、高温の水を散水して熱処理を行い、その後、低温の水を散水して冷却処理する容器熱処理装置に関するものである。   The present invention relates to a container heat treatment apparatus for performing heat treatment by spraying high-temperature water into a container supplied in a capped state after being filled with a product, and then performing cooling treatment by spraying low-temperature water. It is.

内部に製品が充填された後キャッピングが行われた状態で供給される容器に、上方から高温の水を散水して熱処理を行い、その後、それらの容器に低温の水を散水して冷却処理を行う容器熱処理装置（パストライザ）が従来から知られている（例えば、特許文献１参照）。特許文献１に記載されたパストライザは、容器を搬送する搬送コンベヤの上方に複数の散水ノズルが配置され、搬送コンベヤの下方には、異なる温度に管理された水が貯留された複数の貯水タンクが設置されており、各貯水タンク内の水をポンプにより揚水して、前記ノズルから散水し、高温散水領域では容器を加熱殺菌し、低温散水領域では容器を冷却するようにしている。   Sprinkle high-temperature water from above into a container that is supplied in a capped state after being filled with products, and then cool it by spraying low-temperature water into those containers. 2. Description of the Related Art Conventionally, a container heat treatment apparatus (pastoriser) is known (see, for example, Patent Document 1). In the pastoriser described in Patent Document 1, a plurality of water spray nozzles are disposed above a transport conveyor that transports containers, and a plurality of water storage tanks in which water controlled at different temperatures is stored below the transport conveyor. It is installed, water in each water storage tank is pumped up by a pump, sprayed from the nozzle, the container is heated and sterilized in the high temperature watering area, and the container is cooled in the low temperature watering area.

前記特許文献１に記載されたように、高温の水を散水する高温散水領域と、低温の水を散水する低温散水領域を有するパストライザでは、高温散水領域において蒸気分圧が高いため、飽和蒸気または浮遊する湯気となって低温散水領域側へ流出し、高温散水領域にある貯水タンクの水分量は減少傾向になる。   As described in Patent Document 1, in a pasteurizer having a high-temperature watering region for spraying high-temperature water and a low-temperature watering region for spraying low-temperature water, the steam partial pressure is high in the high-temperature watering region. The floating steam flows out to the low temperature watering area, and the amount of water in the water storage tank in the high temperature watering area tends to decrease.

特許第３３６６７４２号公報Japanese Patent No. 3366742

前記のように高温散水領域にある貯水タンクの水分量が減少傾向になるため、従来は、貯水タンクの水量を水位センサにより監視し、所定量減少したことが検出されると、水を補給するようにしていた。また、水を一気に補給すると、貯水タンクの温度が低下するので、蒸気を供給して所定の温度に保つように制御していた。   As described above, the amount of water in the water storage tank in the high-temperature watering area tends to decrease. Conventionally, the amount of water in the water storage tank is monitored by a water level sensor, and water is replenished when it is detected that the predetermined amount has decreased. It was like that. Further, when water is replenished at a stretch, the temperature of the water storage tank decreases, so that steam is supplied to keep the temperature at a predetermined level.

一方、高温散水領域に隣接する低温散水領域の貯水タンクにおいては、高温散水領域から熱気が流入してくるので、温度が高くなる傾向があり、温度上昇を抑えるために水を頻繁に供給していた。また、貯水槽の水位が上昇すると余剰水を排出していた。このように従来は、水や蒸気の使用量が多く、不経済であった。   On the other hand, in the water storage tank in the low temperature watering area adjacent to the high temperature watering area, hot air flows from the high temperature watering area, so the temperature tends to increase, and water is frequently supplied to suppress the temperature rise. It was. Also, excess water was discharged when the water level in the water tank rose. Thus, conventionally, the amount of water and steam used is large, which is uneconomical.

本発明は、前記課題を解決するためになされたもので、容器を搬送する搬送コンベヤと、この搬送コンベヤによって搬送される容器に高温水を散水して高温処理を行う高温散水領域と、搬送される容器に低温水を散水して冷却処理する低温散水領域とを備え、前記低温散水領域に複数の貯水タンクと散水手段を配置して、高温散水領域で高温処理された容器に異なる温度の低温水を順次散水して冷却処理する容器熱処理装置において、前記低温散水領域の上流部に位置する貯水タンクから前記高温散水領域の貯水タンクへ給水する給水管を接続し、少なくとも容器への散水中は、低温散水領域の上流部に位置する貯水タンクから高温散水領域の貯水タンクへ給水することを特徴とするものである。   The present invention has been made in order to solve the above-described problems, and includes a transport conveyor that transports containers, a high-temperature water spray region that sprays high-temperature water onto containers transported by the transport conveyor, and performs high-temperature treatment. A low-temperature watering region for spraying low-temperature water in the container and cooling the water, and arranging a plurality of water storage tanks and watering means in the low-temperature watering region, so that the container treated at high temperature in the high-temperature watering region has a low temperature of different temperature. In the container heat treatment apparatus for sequentially watering and cooling water, a water supply pipe for supplying water from a water storage tank located upstream of the low temperature water spraying area to the water storage tank in the high temperature watering area is connected, and at least water spraying to the container is performed. The water is supplied from the water storage tank located upstream of the low temperature watering area to the water storage tank in the high temperature watering area.

本発明のパストライザは、低温散水領域の上流部に位置する貯水タンクから散水手段に送水する送水管に、高温散水領域の貯水タンクに給水する給水管を接続し、容器に散水を行う間は常時、低温散水領域の上流部に位置する貯水タンクから高温散水領域の貯水タンクへ給水するようにしたので、従来廃棄していた水を利用することが可能になり、節水効果を向上させることができる。また、蒸気の使用量も大幅に抑えることができ、経済的である。   The pastoriser of the present invention is connected to a water supply pipe that supplies water from a water storage tank located upstream of the low temperature watering area to the watering means, and a water supply pipe that supplies water to the water storage tank in the high temperature watering area. Since water is supplied from the water storage tank located upstream of the low temperature watering area to the water storage tank in the high temperature watering area, it becomes possible to use the water that has been discarded in the past, and the water saving effect can be improved. . In addition, the amount of steam used can be greatly reduced, which is economical.

図１は本発明の一実施例に係る容器熱処理装置の構成を簡略化して示す概略構成図である。（実施例１）FIG. 1 is a schematic configuration diagram showing a simplified configuration of a container heat treatment apparatus according to an embodiment of the present invention. (Example 1)

缶体内に複数の散水領域が設けられている。上流側から順に高温散水領域である第１散水領域と第２散水領域、低温散水領域である第３散水領域〜第６散水領域が配置されている。各散水領域は、上方の散水手段（散水ノズル）と下方の貯水タンクを備えており、搬送コンベヤによって搬送され、缶体内に搬入された容器に各散水領域の散水ノズルから所定温度の水を散水する。散水された水は、下方の貯水タンクに流入し、再びポンプによって汲み上げられて散水ノズルに送られて散水される。   A plurality of watering areas are provided in the can body. A first watering region and a second watering region, which are high-temperature watering regions, and a third watering region to a sixth watering region, which are low-temperature watering regions, are arranged in order from the upstream side. Each watering area includes an upper watering means (watering nozzle) and a lower water storage tank, and water of a predetermined temperature is sprinkled from a watering nozzle in each watering area to a container which is transported by a transport conveyor and carried into the can. To do. The sprinkled water flows into the lower storage tank, is pumped up again by the pump, is sent to the sprinkling nozzle, and is sprinkled.

低温散水領域の最も上流部である第３散水領域の、貯水タンクからポンプによって汲み上げて散水ノズルに水を送水する送水管に、給水管を接続して第１貯水タンクと第２貯水タンクへ給水できるようにしており、運転中の、容器に散水している間は、常時第３散水領域の貯水タンクから、高温散水領域の第１貯水タンクおよび第２貯水タンクへ給水している。   Supply water to the first and second water storage tanks by connecting a water supply pipe to a water supply pipe that pumps water from the water storage tank to the watering nozzle in the third watering area, which is the most upstream part of the low temperature watering area. During the operation, while watering the container, water is constantly supplied from the water tank in the third water spray area to the first water tank and the second water tank in the high temperature water spray area.

以下、図面に示す実施例により本発明を説明する。この容器熱処理装置（パストライザ１）は、缶体２内を貫通して、多数の容器４を連続的に搬送する搬送コンベヤ６が設置されており、缶体２内の、この搬送コンベヤ６の上方に、搬送されている容器４に対し所定温度の水を散水する複数グループの散水手段（散水ノズル８）と、これら各グループの散水ノズル８に対応して、搬送コンベヤ６の下方に配置された複数の貯水タンク１０が設けられている。この実施例では、パストライザ１の缶体２内に６箇所の散水領域１２（１２Ａ〜１２Ｆ）が設けられており、上方の散水ノズル８（８Ａ〜８Ｆ）と下方の貯水タンク１０（１０Ａ〜１０Ｆ）がそれぞれ対応している。また、この実施例に係るパストライザ１で処理される容器４は、約８０℃の製品液を充填された後に、キャップをキャッピングされたガラス容器であり、この容器４に対し高温水および低温水の散水を順次行って、容器４の加熱処理および冷却処理を行う。なお、この明細書では、パストライザ１の上流側（図の左側）から順に、第１散水ノズル８Ａ〜第６散水ノズル８Ｆ、第１貯水タンク１０Ａ〜第６貯水タンク１０Ｆ、第１散水領域１２Ａ〜第６散水領域１２Ｆと呼ぶことにする。   Hereinafter, the present invention will be described with reference to embodiments shown in the drawings. This container heat treatment apparatus (path riser 1) is provided with a transport conveyor 6 that passes through the inside of the can body 2 and continuously transports a large number of containers 4, and is located above the transport conveyor 6 in the can body 2. In addition, a plurality of groups of watering means (watering nozzles 8) for spraying water at a predetermined temperature to the containers 4 being transported, and the watering nozzles 8 of these groups are arranged below the conveyor 6. A plurality of water storage tanks 10 are provided. In this embodiment, six watering regions 12 (12A to 12F) are provided in the can body 2 of the path riser 1, and an upper watering nozzle 8 (8A to 8F) and a lower water storage tank 10 (10A to 10F). ) Correspond to each. The container 4 to be treated by the pastoriser 1 according to this embodiment is a glass container that is filled with a product liquid of about 80 ° C. and capped with a cap. Watering is sequentially performed to heat and cool the container 4. In this specification, the first water spray nozzle 8A to the sixth water spray nozzle 8F, the first water storage tank 10A to the sixth water storage tank 10F, and the first water spray area 12A to It will be called the sixth watering area 12F.

第１貯水タンク１０Ａから第５貯水タンク１０Ｅには、これら貯水タンク１０Ａ〜１０Ｅ内に貯留されている水を、上方の散水ノズル８（第１散水ノズル８Ａ〜第５散水ノズル８Ｅ）に送る送水管１３（第１送水管１３Ａ〜第５送水管１３Ｅ）が設けられており、これら各送水管１３Ａ〜１３Ｅに設けられているポンプ１４（第１ポンプ１４Ａ〜第５ポンプ１４Ｅ）によって、貯水タンク１０内の水を汲み上げて散水ノズル８に送り、搬送コンベヤ６によって搬送されている容器４に散水する。散水されて容器４にかかった水は、そのまま流下して元の貯水タンク１０Ａ〜１０Ｅに流入する。   The water stored in these water storage tanks 10A to 10E is sent from the first water storage tank 10A to the fifth water storage tank 10E to the upper watering nozzle 8 (the first watering nozzle 8A to the fifth watering nozzle 8E). A water pipe 13 (first water pipe 13A to fifth water pipe 13E) is provided, and a water storage tank is provided by a pump 14 (first pump 14A to fifth pump 14E) provided in each of the water pipes 13A to 13E. The water in 10 is pumped up and sent to the watering nozzle 8 and sprinkled on the container 4 being transported by the transporting conveyor 6. The water sprayed on the container 4 flows down as it is and flows into the original water storage tanks 10A to 10E.

各散水領域１２Ａ〜１２Ｆでは、それぞれ異なる温度の水を散水するようになっており、第１散水領域１２Ａおよび第２散水領域１２Ｂは、それぞれ７５℃の温水を散水する高温散水領域であり、この高温散水領域１２Ａ、１２Ｂで容器４に高温水を散水することにより容器４に装着されているキャップ（図示を省略）を加熱して殺菌を行う。また、第３散水領域１２Ｃ〜第６散水領域１２Ｆは低温散水領域として設定されており、第３散水領域１２Ｃでは４５℃、第４散水領域１２Ｄでは４０℃、第５散水領域１２Ｅでは３７℃、第６散水領域１２Ｆでは３５℃の水を散水して、前記高温散水領域１２Ａ、１２Ｂで加熱された容器４を冷却する。なお、各散水領域１２（１２Ａ〜１２Ｆ）の設定温度は、前記数値に限定されるものではない。   In each watering area | region 12A-12F, water of a different temperature is sprinkled, respectively, and the 1st watering area | region 12A and the 2nd watering area | region 12B are high-temperature watering areas each spraying 75 degreeC hot water, The cap (not shown) attached to the container 4 is heated and sterilized by sprinkling the container 4 with high-temperature water in the high-temperature watering regions 12A and 12B. Moreover, the 3rd watering area | region 12C-the 6th watering area | region 12F are set as a low temperature watering area | region, 45C in the 3rd watering area | region 12C, 40 degreeC in the 4th watering area | region 12D, 37 degreeC in the 5th watering area | region 12E, In the 6th watering area | region 12F, 35 degreeC water is sprinkled and the container 4 heated by the said high temperature watering area | region 12A, 12B is cooled. In addition, the preset temperature of each watering area | region 12 (12A-12F) is not limited to the said numerical value.

第１貯水タンク１０Ａから第５貯水タンク１０Ｅには、水供給源１６からこれら各貯水タンク１０Ａ〜１０Ｅに水を供給する水供給配管１８が設けられている。この水供給配管１８は、メイン配管１８Ｘに分岐管１８Ａ〜１８Ｅが接続されている。これら各分岐管１８Ａ〜１８Ｅにそれぞれバルブ２０（２０Ａ〜２０Ｅ）が設けられており、各バルブ２０Ａ〜２０Ｅの開閉により各貯水タンク１０Ａ〜１０Ｅに水を供給することができる。また、第１貯水タンク１０Ａから第５貯水タンク１０Ｅには、蒸気供給源２２から各貯水タンク１０Ａ〜１０Ｅに蒸気を供給する蒸気供給配管２４が設けられている。蒸気供給用のメイン配管２４Ｘに接続された分岐管２４Ａ〜２４Ｅにそれぞれバルブ２６（２６Ａ〜２６Ｅ）が設けられており、各バルブ２６Ａ〜２６Ｅの開閉により各貯水タンク１０Ａ〜１０Ｅに蒸気を供給することができる。第１貯水タンク１０Ａから第５貯水タンク１０Ｅまでの各貯水タンク１０には、それぞれ温度センサ２８（２８Ａ〜２８Ｅ）および水位センサ３０（３０Ａ〜３０Ｅ）が設けられており、これらセンサ２８Ａ〜２８Ｅ、３０Ａ〜３０Ｅの信号によって図示しない制御手段が水と蒸気の供給量を制御している。   A water supply pipe 18 for supplying water from the water supply source 16 to each of the water storage tanks 10A to 10E is provided in the first water storage tank 10A to the fifth water storage tank 10E. In the water supply pipe 18, branch pipes 18A to 18E are connected to a main pipe 18X. Valves 20 (20A to 20E) are respectively provided in the branch pipes 18A to 18E, and water can be supplied to the water storage tanks 10A to 10E by opening and closing the valves 20A to 20E. The first water storage tank 10A to the fifth water storage tank 10E are provided with steam supply pipes 24 for supplying steam from the steam supply source 22 to the water storage tanks 10A to 10E. The branch pipes 24A to 24E connected to the main pipe 24X for supplying steam are provided with valves 26 (26A to 26E), respectively, and steam is supplied to the water storage tanks 10A to 10E by opening and closing the valves 26A to 26E. be able to. Each of the water storage tanks 10 from the first water storage tank 10A to the fifth water storage tank 10E is provided with a temperature sensor 28 (28A to 28E) and a water level sensor 30 (30A to 30E), and these sensors 28A to 28E, Control means (not shown) controls the supply amount of water and steam by signals 30A to 30E.

また、第６散水領域１２Ｆには、第３散水領域１２Ｃの貯水タンク１０Ｃからポンプ３２によって汲み上げた水を、送水管３４を通してクーリングタワー３６に送り、クーリングタワー３６を介して散水ノズル８Ｆに供給して容器４に散水している。さらに、第６散水領域１２Ｆの最終端（第６散水ノズル８Ｆの下流側）に、前記水供給源１６から水供給配管１８を介して供給された常温の水を散水するノズル３８が設けられており、容器４に対し清浄な水を散水してリンスを行っている。   Further, in the sixth watering area 12F, the water pumped up by the pump 32 from the water storage tank 10C of the third watering area 12C is sent to the cooling tower 36 through the water supply pipe 34 and supplied to the watering nozzle 8F through the cooling tower 36. 4 is sprinkling water. Furthermore, a nozzle 38 for sprinkling normal temperature water supplied from the water supply source 16 via the water supply pipe 18 is provided at the final end of the sixth watering region 12F (downstream of the sixth watering nozzle 8F). The container 4 is rinsed by sprinkling clean water.

前記貯水タンク１０Ａ〜１０Ｆの間を仕切る仕切壁４０Ａ〜４０Ｅは高さを異ならせてあり、第１貯水タンク１０Ａからオーバーフローした水は、第２貯水タンク１０Ｂに流れ込み、この第２貯水タンク１０Ｂからオーバーフローした水は、低温散水領域の最も上流部に位置する第３貯水タンク１０Ｃへ流れ込むようになっている。また、第６貯水タンク１０Ｆからオーバーフローした水は、第５貯水タンク１０Ｅへ流れ込み、第５貯水タンク１０Ｅをオーバーフローした水は、第４貯水タンク１０Ｄに流れ込み、第４貯水タンク１０Ｄをオーバーフローした水は、高温散水領域からオーバーフローした水と同様に、低温散水領域の最上流部に位置する第３貯水タンク１０Ｃへ流れ込むように設定されている。また、この第３貯水タンク１０Ｃにはドレン用の配管４２が設置されている。これらすべての貯水タンク１０Ａ〜１０Ｆの水位は最低ラインが設定されており、この最低ラインまで水位が低下しないように制御している。そのため各貯水タンク１０Ａ〜１０Ｆには多めに給水をしており、オーバーフローしやすくなっている。また、最終の第６散水領域１２Ｆでは、外部から直接水を供給しているので、その分の液量はオーバーフローするようになっている。   The partition walls 40A to 40E partitioning the water storage tanks 10A to 10F have different heights, and the water overflowing from the first water storage tank 10A flows into the second water storage tank 10B, and from the second water storage tank 10B. The overflowed water flows into the third water storage tank 10C located at the most upstream part of the low-temperature water spray area. Further, the water overflowing from the sixth water storage tank 10F flows into the fifth water storage tank 10E, and the water overflowing the fifth water storage tank 10E flows into the fourth water storage tank 10D, and the water overflowing the fourth water storage tank 10D The water is set to flow into the third water storage tank 10 </ b> C located at the most upstream part of the low temperature watering area, similarly to the water overflowed from the high temperature watering area. Further, a drain pipe 42 is installed in the third water storage tank 10C. The water level of all these water storage tanks 10A to 10F is set to the lowest line, and is controlled so that the water level does not decrease to the lowest line. Therefore, a large amount of water is supplied to each of the water storage tanks 10A to 10F, and it is easy to overflow. Further, in the final sixth watering region 12F, water is directly supplied from the outside, so that the amount of the liquid overflows.

さらに、この実施例では、第３散水領域１２Ｃに配置された第３貯水タンク１０Ｃの水を第３散水ノズル８Ｃに送る送水管１３Ｃに、第１貯水タンク１０Ａと第２貯水タンク１０Ｂへ給水する給水管４４が取り付けられている。給水管４４には、自動でオンオフする給水用開閉バルブ４６と、第１貯水タンク１０Ａへの出口に取り付けた手動の第１開閉バルブ４８Ａと、第２貯水タンク１０Ｂへの出口に取り付けた手動の第２開閉バルブ４８Ｂが設けられている。このパストライザ１を運転し、容器４に散水している間は、これら開閉バルブ４６、４８Ａ、４８Ｂを開放して常時第１貯水タンク１０Ａと第２貯水タンク１０Ｂへ給水している。なお、必ずしも容器４に散水している間は常時給水する必要はなく、適宜の間給水を停止して間欠的に給水を行っても良い。また、貯水タンク１０の昇温作業を行う場合など容器４が供給されないときには、給水用開閉バルブ４６、４８Ａ、４８Ｂを閉鎖して給水を停止することも可能である。   Furthermore, in this embodiment, water is supplied to the first water storage tank 10A and the second water storage tank 10B to the water supply pipe 13C that sends the water of the third water storage tank 10C arranged in the third watering area 12C to the third watering nozzle 8C. A water supply pipe 44 is attached. The water supply pipe 44 includes a water supply opening / closing valve 46 that is automatically turned on / off, a manual first opening / closing valve 48A attached to the outlet to the first water storage tank 10A, and a manual attachment attached to the outlet to the second water storage tank 10B. A second opening / closing valve 48B is provided. While this path riser 1 is operated and water is sprayed into the container 4, the opening and closing valves 46, 48A, 48B are opened to supply water to the first water storage tank 10A and the second water storage tank 10B at all times. Note that it is not always necessary to supply water while the container 4 is sprayed, and water supply may be stopped intermittently by stopping the water supply for an appropriate period of time. Further, when the container 4 is not supplied, such as when the temperature of the water storage tank 10 is raised, the water supply opening / closing valves 46, 48A, 48B can be closed to stop the water supply.

以上の構成に係るパストライザ１の作動について説明する。運転開始時には、各散水領域１２Ａ〜１２Ｆの貯水タンク１０Ａ〜１０Ｆ内に水および蒸気が供給され、予め設定された温度および水位に調整される。運転が開始され、搬送コンベヤ６によって搬送されてきた多数の容器４が缶体２内に導入される。これら容器４が最初に通過する高温散水領域の第１散水領域１２Ａでは、ほぼ７５℃に設定された第１貯水タンク１０Ａ内の水が、ポンプ１４Ａによって汲み出され、送水管１３Ａを介して第１散水ノズル８Ａに送られ、搬送中の容器４に散水され容器４およびキャップが加熱される。また、第２散水領域１２Ｂでも、ほぼ７５℃に設定された第２貯水タンク１０Ｂの水がポンプ１４Ｂによって汲み上げられ、送水管１３Ｂを介して第２散水ノズル８Ｂに送られて搬送コンベヤ６によって搬送されてきた容器４に散水される。   The operation of the path trizer 1 according to the above configuration will be described. At the start of operation, water and steam are supplied into the water storage tanks 10A to 10F in each of the water spray areas 12A to 12F and adjusted to a preset temperature and water level. The operation is started, and a large number of containers 4 conveyed by the conveyor 6 are introduced into the can 2. In the first watering region 12A of the high-temperature watering region through which these containers 4 first pass, the water in the first water storage tank 10A set to approximately 75 ° C. is pumped out by the pump 14A, and the first watering region 12A passes through the water supply pipe 13A. 1 It is sent to the watering nozzle 8A, and the container 4 and the cap are heated by watering the container 4 being transported. Also in the second watering region 12B, the water in the second water storage tank 10B set at approximately 75 ° C. is pumped up by the pump 14B, sent to the second watering nozzle 8B through the water supply pipe 13B, and conveyed by the conveyor 6 Water is sprinkled into the container 4 that has been used.

低温散水領域の第３散水領域１２Ｃでは、第３貯水タンク１０Ｃの水がポンプ１４Ｃによって吸い上げられ、送水管１３Ｃを介して第３散水ノズル８Ｃに送られて搬送されている容器４に散水される。第３散水領域１２Ｃでは、散水される水の温度がほぼ４５℃に設定されており、この温度の水の散水により高温散水領域１２Ａ、１２Ｂで加熱された容器４を冷却する。このパストライザ１の運転中は、第３散水領域１２Ｃのポンプ１４Ｃによって汲み上げられて第３散水ノズル８Ｃに送られた水は、送水管１３Ｃに接続されている給水管４４を介して、第１貯水タンク１０Ａおよび第２貯水タンク１０Ｂに常時給水されている。   In the third watering region 12C of the low temperature watering region, the water in the third water storage tank 10C is sucked up by the pump 14C, sent to the third watering nozzle 8C through the water supply pipe 13C, and watered to the container 4 being conveyed. . In the 3rd watering area | region 12C, the temperature of the water sprayed is set to about 45 degreeC, and the container 4 heated by high temperature watering area | region 12A, 12B is cooled by the watering of this temperature water. During the operation of the path riser 1, the water pumped up by the pump 14C in the third watering region 12C and sent to the third watering nozzle 8C is supplied to the first water storage via the water supply pipe 44 connected to the water supply pipe 13C. Water is constantly supplied to the tank 10A and the second water storage tank 10B.

低温散水領域である第３散水領域１２Ｃで冷却が開始された容器４は、次の第４散水領域１２Ｄに移動する。第４散水領域１２Ｄでは、ほぼ４０℃に設定された第４貯水タンク１０Ｄ内の水がポンプ１４Ｄによって汲み上げられて送水管１３Ｄを介して第４散水ノズル８Ｄに送られて容器４に散水され、容器４はさらに冷却される。また、次の第５散水領域１２Ｅでも、ほぼ３７℃に設定された第５貯水タンク１０Ｅ内の水が、送水管１３Ｅを介して第５散水ノズル８Ｅに送られて容器４に散水される。さらに、第６散水領域１２Ｆでは、第３貯水タンク１０Ｃに貯留された水が、ポンプ３２によりクーリングタワー３６に送られ、クーリングタワー３６を介して容器４に散水される。この第６散水領域１２Ｆで容器４に散水される水の温度は、ほぼ３５℃に設定されている。第６散水ノズル８Ｆからクーリングタワー３６を介して冷却用の水が散水された容器４は、第６散水領域１２Ｆの最終端に移動すると、水供給源１６に接続された水供給配管１８からノズル３８へ送られた常温の清浄な水が散水され、リンスが行われる。   The container 4 whose cooling has started in the third watering region 12C, which is a low-temperature watering region, moves to the next fourth watering region 12D. In the 4th watering area | region 12D, the water in the 4th water storage tank 10D set to about 40 degreeC is pumped up by the pump 14D, is sent to the 4th watering nozzle 8D via the water supply pipe 13D, and is sprinkled by the container 4, The container 4 is further cooled. Also in the next fifth watering region 12E, the water in the fifth water storage tank 10E set to approximately 37 ° C. is sent to the fifth watering nozzle 8E through the water supply pipe 13E and sprinkled into the container 4. Further, in the sixth watering region 12 </ b> F, the water stored in the third water storage tank 10 </ b> C is sent to the cooling tower 36 by the pump 32 and is sprayed into the container 4 through the cooling tower 36. The temperature of the water sprayed into the container 4 in the sixth water spray area 12F is set to approximately 35 ° C. When the container 4 in which cooling water has been sprinkled from the sixth watering nozzle 8F through the cooling tower 36 moves to the final end of the sixth watering region 12F, the nozzle 38 from the water supply pipe 18 connected to the water supply source 16 is provided. Clean water at room temperature sent to is sprinkled and rinsed.

前記のようにパストライザ１が運転され、各散水領域１２Ａ〜１２Ｆで所定温度に設定された水が容器４へ散水されていると、高温散水領域である第１散水領域１２Ａでは、缶体２の入口から外部へ大量の蒸気が流出する。また、第２散水領域１２Ｂでは、温度の低い低温散水領域の第３散水領域１２Ｃへ蒸気が大量に流出する。その結果、これらの散水領域１２Ａ、１２Ｂでは、水分が多量に消費されるが、第３散水領域１２Ｃの送水管１３Ｃに接続された給水管４４から絶えず給水されているので、貯水タンク１０Ａ、１０Ｂの水量が減少することを抑えることができる。なお、第３貯水タンク１０Ｃから、第１貯水タンク１０Ａおよび第２貯水タンク１０Ｂへ送られる給水量は、貯水タンク１０Ａ、１０Ｂの温度に影響を与えない程度の水量に設定している。例えば、この実施例では、第１貯水タンク１０Ａおよび第２貯水タンク１０Ｂの容量が１０００リットルであり、給水される量は１００リットル／時間に設定されている。   When the path riser 1 is operated as described above and the water set to a predetermined temperature in each of the water spray areas 12A to 12F is sprinkled into the container 4, in the first water spray area 12A that is a high-temperature water spray area, the can 2 A large amount of steam flows out from the entrance. In the second watering region 12B, a large amount of steam flows out to the third watering region 12C in the low-temperature watering region having a low temperature. As a result, although a large amount of water is consumed in these watering areas 12A and 12B, water is constantly supplied from the water supply pipe 44 connected to the water supply pipe 13C in the third watering area 12C. It can suppress that the amount of water decreases. Note that the amount of water supplied from the third water storage tank 10C to the first water storage tank 10A and the second water storage tank 10B is set to an amount that does not affect the temperature of the water storage tanks 10A and 10B. For example, in this embodiment, the capacity of the first water storage tank 10A and the second water storage tank 10B is 1000 liters, and the amount of water supplied is set to 100 liters / hour.

また、第３散水領域１２Ｃでは、第２散水領域１２Ｂから高温の蒸気が多量に流入することにより、貯水タンク１０Ｃの温度が上昇するため、水を多く供給してしまう傾向がある。従来は、余分に供給した水を余剰水として排水していたが、この実施例に係るパストライザ１では、第３貯水タンク１０Ｃの水を第１貯水タンク１０Ａおよび第２貯水タンク１０Ｂに給水するようにしているので、今までは破棄していた水を利用することが可能になる。なお、本実施例では、第３貯水タンク１０Ｃの水を第３散水ノズル８Ｃに送る送水管１３Ｃに給水管４４を取り付けた構成としているが、これに限るものではなく、例えば、給水管を送水管と独立して配置するとともに、別途配置したポンプによって給水することも可能である。また、ドレン用の配管４２にポンプと給水管を接続して給水することも可能である。   Further, in the third watering region 12C, a large amount of high-temperature steam flows from the second watering region 12B, so that the temperature of the water storage tank 10C rises, so that a large amount of water tends to be supplied. Conventionally, the excessively supplied water is drained as surplus water. However, in the path riser 1 according to this embodiment, water from the third water storage tank 10C is supplied to the first water storage tank 10A and the second water storage tank 10B. Therefore, it becomes possible to use the water that has been discarded until now. In this embodiment, the water supply pipe 44 is attached to the water supply pipe 13C that sends the water in the third water storage tank 10C to the third watering nozzle 8C. However, the present invention is not limited to this. In addition to being arranged independently of the water pipe, it is also possible to supply water by a separately arranged pump. It is also possible to supply water by connecting a pump and a water supply pipe to the drain pipe 42.

４ 容器
６ 搬送コンベヤ
８ 散水手段（散水ノズル）
１０ 貯水タンク
１２Ａ 高温散水領域（第１散水領域）
１２Ｂ 高温散水領域（第２散水領域）
１２Ｃ 低温散水領域（第３散水領域）
１２Ｄ 低温散水領域（第４散水領域）
１２Ｅ 低温散水領域（第５散水領域）
１２Ｆ 低温散水領域（第６散水領域）
１３Ｃ 送水管（第３散水領域の送水管）
４４ 給水管 4 Container 6 Conveyor 8 Watering means (watering nozzle)
10 Water storage tank 12A High-temperature watering area (first watering area)
12B High-temperature watering area (second watering area)
12C Low-temperature watering area (third watering area)
12D Low-temperature watering area (4th watering area)
12E Low-temperature watering area (5th watering area)
12F Low-temperature watering area (6th watering area)
13C water pipe (water pipe in the third watering area)
44 Water supply pipe

Claims (1)

容器を搬送する搬送コンベヤと、この搬送コンベヤによって搬送される容器に高温水を散水して高温処理を行う高温散水領域と、搬送される容器に低温水を散水して冷却処理する低温散水領域とを備え、
前記低温散水領域に複数の貯水タンクと散水手段を配置して、高温散水領域で高温処理された容器に異なる温度の低温水を順次散水して冷却処理する容器熱処理装置において、
前記低温散水領域の上流部に位置する貯水タンクから前記高温散水領域の貯水タンクへ給水する給水管を接続し、少なくとも容器への散水中は、低温散水領域の上流部に位置する貯水タンクから高温散水領域の貯水タンクへ給水することを特徴とする容器熱処理装置。 A transport conveyor for transporting the containers, a high-temperature sprinkling region for spraying high-temperature water onto the containers transported by the transport conveyor and performing a high-temperature treatment, and a low-temperature sprinkling region for spraying low-temperature water onto the transported containers and performing a cooling treatment With
In the container heat treatment apparatus that disposes a plurality of water storage tanks and watering means in the low-temperature watering region, and sequentially cools and cools low-temperature water at different temperatures in a container that has been subjected to high-temperature treatment in the high-temperature watering region,
A water supply pipe for supplying water from a water storage tank located upstream of the low temperature water spraying area to the water storage tank of the high temperature water spraying area is connected, and at least watering to the container is performed at a high temperature from the water storage tank located upstream of the low temperature water spraying area. A container heat treatment apparatus for supplying water to a water storage tank in a watering area.
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