JP2000193199A - Cleaning and sterilizing method of liquid transfer pipe and system thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning and sterilizing system effective to an environment preservation by obtaining a sufficient cleaning and sterilizing effect, even if the usage of a cleaning liquid and sterilizing liquid is less and reducing the waste water amount after cleaning and sterilizing. SOLUTION: After the transfer of a transfer liquid from a transfer origin route piping 2 to a transfer piping 1, a first pig 32-1 is sent from a cleaning.sterilizing unit 3 to the transfer piping 1 by a cleaning liquid and the cleaning is carried out while collecting the residual in the transfer pipe 1. Then, a second pig 32-2 is sent by a sterilizer and then a third pig 32-3 is sent by a finish cleaning liquid and further a fourth pig 32-4 is sent by next transfer liquid. Thereby, the cleaning and sterilization in the transfer pipe 1 is carried out by a small amount of sterilizer and finish cleaning liquid while collecting the residual cleaning liquid in the transfer pipe 1 and next transfer liquid is transfered continuously.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、例えばヘアリン
ス、クリーム、乳液、柔軟剤、シャンプー、ボディソー
プ、液体ベビー洗剤、練歯磨等を移送するための液体移
送配管内を洗浄、殺菌する液体移送配管の洗浄殺菌シス
テムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid transfer pipe for cleaning and sterilizing a liquid transfer pipe for transferring, for example, hair rinse, cream, milky lotion, softener, shampoo, body soap, liquid baby detergent, toothpaste and the like. Cleaning and sterilizing system.

【０００２】[0002]

【従来の技術】従来より、ヘアリンス、クリーム、乳
液、柔軟剤、シャンプー、ボディソープ、液体ベビー洗
剤、練歯磨等の流体製品の移送は、配管（以下、移送配
管という）の中を通して行っている。この移送配管内に
は、上述した様々な製品および品種が通ることになる
が、例えば、ある製品を移送した後、他の製品を移送す
る場合、上記他の製品の移送を開始する前に、移送配管
内を洗浄・殺菌する必要がある。2. Description of the Related Art Conventionally, fluid products such as hair rinses, creams, emulsions, softeners, shampoos, body soaps, liquid baby detergents, toothpastes and the like have been transported through pipes (hereinafter referred to as transfer pipes). . In this transfer pipe, various products and varieties described above will pass.For example, after transferring a certain product, when transferring another product, before starting transfer of the other product, It is necessary to clean and sterilize the inside of the transfer pipe.

【０００３】ここで、従来の移送配管内の洗浄・殺菌作
業は、まず、移送配管内に残留した移送液体を、ピグと
呼ばれる移送配管内容物押し出し器具（上記移送配管の
内径よりもやや大きい外径を持つ、弾性材料（例えばゴ
ム等）からなる栓状物体）を用いて押し出す。そして、
移送配管を継ぎ手のボルトを人手により取り外して分解
し、分解した移送配管を上水，精製水等で順次洗浄す
る。この時、さらに移送配管内の殺菌が必要な場合は、
移送配管内をアルコールに浸漬して殺菌する。そして、
移送配管を乾燥（自然乾燥）させた後、再び人手により
移送配管を元の状態に組み立てる。[0003] Here, in the conventional cleaning and sterilizing operation in the transfer pipe, first, a transfer liquid remaining in the transfer pipe is extruded by using a device called a pig for extruding the contents of the transfer pipe (an external liquid that is slightly larger than the inner diameter of the transfer pipe). Extrusion is performed using a plug-shaped object having a diameter and made of an elastic material (for example, rubber or the like). And
The transfer pipe is disassembled by manually removing the bolts of the joints, and the disassembled transfer pipe is sequentially washed with clean water, purified water and the like. At this time, if further sterilization in the transfer piping is necessary,
The transfer pipe is immersed in alcohol for sterilization. And
After the transfer pipe is dried (naturally dried), the transfer pipe is manually assembled again in the original state.

【０００４】また、他の移送配管内の洗浄・殺菌方法と
しては、ピグにより移送配管内の残留移送液体を押し出
した後、噴射ノズルを移送配管内に挿入し、その噴射ノ
ズルから洗浄液を噴射させて移送配管内を洗浄した後、
当該噴射ノズルから蒸気を噴射させることによって加熱
殺菌する方法もある。Another method of cleaning and sterilizing the inside of the transfer pipe is to extrude a residual transfer liquid in the transfer pipe by using a pig, insert an injection nozzle into the transfer pipe, and jet the cleaning liquid from the injection nozzle. After cleaning the inside of the transfer pipe,
There is also a method of heat sterilization by injecting steam from the injection nozzle.

【０００５】[0005]

【発明が解決しようとする課題】ところで、移送配管内
の洗浄・殺菌作業には、上述したように多くの人手と時
間を要すると共に、移送配管の分解，再組立等は、通
常、高所作業となるため安全性にも問題があった。ま
た、噴射ノズルを用いた移送配管内の洗浄・殺菌方法で
は、移送配管の長さによっては、管内全体が十分に殺菌
作用が得られる程度に加熱されるまで時間がかかり、同
時に大量の蒸気が必要になるという問題がある。また、
一旦移送配管を加熱した後、次の液体を移送する場合、
移送配管が十分に冷却されるまで待たなくてはならず、
生産効率の低下の一因になっていた。As described above, the cleaning and sterilization of the transfer pipe requires a lot of manpower and time, and the disassembly and reassembly of the transfer pipe are usually performed at a high place. Therefore, there was also a problem in safety. In addition, in the method of cleaning and sterilizing the inside of the transfer pipe using the injection nozzle, depending on the length of the transfer pipe, it takes time until the entire inside of the pipe is heated to a sufficient sterilization action, and at the same time, a large amount of steam is generated. There is a problem that it becomes necessary. Also,
When transferring the next liquid after heating the transfer pipe once,
You have to wait until the transfer pipe is cooled down enough,
This has contributed to a decline in production efficiency.

【０００６】さらに、移送配管が長い場合には、液体に
よる洗浄のみでも洗浄液が大量に必要になり、また、殺
菌作業を行うにあたり、殺菌剤のような高価な液体を用
いると、当該高価な殺菌剤が大量に必要となるため、製
品コストを高価にしてしまうという問題があった。さら
に、洗浄液および殺菌剤の大量使用は、移送配管の洗浄
・殺菌後に廃水を大量に発生させるという問題も含んで
いる。Further, when the transfer pipe is long, a large amount of cleaning liquid is required only for cleaning with a liquid. In addition, when an expensive liquid such as a bactericide is used for sterilization, the expensive sterilization is required. Since a large amount of the agent is required, there is a problem that the product cost is increased. Further, the use of a large amount of the cleaning liquid and the germicide also involves a problem that a large amount of wastewater is generated after the cleaning and sterilization of the transfer pipe.

【０００７】本発明は、上述した事情に鑑みてなされた
ものであり、洗浄液、殺菌液の使用量が少なくとも十分
な洗浄・殺菌効果を得ることができ、かつ、洗浄，殺菌
後の廃水量を少なくすることにより、環境保全に有効な
洗浄・殺菌システムを提供することを目的としている。
また、洗浄・殺菌作業後、直ちに次の液体を移送するこ
とができる液体移送配管の洗浄・殺菌システムを提供す
ることを目的としている。さらに、人手による作業を極
力少なくし、移送配管内の洗浄および殺菌作業を効率よ
く行うことができる液体移送配管の洗浄・殺菌システム
を提供することを目的としている。The present invention has been made in view of the above-mentioned circumstances, and it is possible to obtain at least a sufficient washing / sterilizing effect by using a washing solution and a sterilizing solution, and to reduce the amount of wastewater after washing and sterilizing. An object of the present invention is to provide a cleaning and sterilizing system that is effective for environmental protection by reducing the number of cleaning and sterilizing systems.
Another object of the present invention is to provide a cleaning / sterilizing system for a liquid transfer pipe that can transfer the next liquid immediately after the cleaning / sterilizing operation. It is still another object of the present invention to provide a liquid transfer pipe cleaning / sterilization system capable of efficiently performing cleaning and sterilization operations in a transfer pipe by minimizing manual operations.

【０００８】[0008]

【課題を解決するための手段】請求項１に記載の発明
は、液体を移送する液体移送配管により液体を移送した
後、複数のピグを、各ピグに対応して外部から供給され
る所定の圧力が付与された洗浄流体および殺菌流体によ
って、予め定められた順序で前記液体移送配管へ順次送
り込み、前記液体移送配管内に複数のピグが同時に存在
する状態を経て、前記液体移送配管内における移送液体
の回収、洗浄、殺菌、再洗浄を順次連続して行うことを
特徴とする液体移送配管の洗浄殺菌方法である。According to the first aspect of the present invention, after a liquid is transferred by a liquid transfer pipe for transferring a liquid, a plurality of pigs are supplied to the corresponding pigs from a predetermined external supply. By the cleaning fluid and the sterilizing fluid to which pressure is applied, the liquid is sequentially sent to the liquid transfer pipe in a predetermined order, and is transferred through the liquid transfer pipe through a state in which a plurality of pigs are simultaneously present in the liquid transfer pipe. This is a method for cleaning and sterilizing a liquid transfer pipe, wherein liquid recovery, cleaning, sterilization, and re-cleaning are sequentially and sequentially performed.

【０００９】また、請求項２に記載の発明は、液体を移
送するための液体移送配管と、外部から所定の圧力が付
与されて供給される洗浄流体および殺菌流体の各々に対
応して設けられたピグを、各々対応する流体によって前
記液体移送配管へ送り込む洗浄・殺菌ユニットとを備
え、前記液体移送配管により液体を移送した後、前記洗
浄・殺菌ユニットから、前記複数のピグを各々対応する
流体によって予め定められた順序で前記液体移送配管へ
送り込み、前記液体移送配管内に複数のピグが同時に存
在する状態を経て、前記液体移送配管内における移送液
体の回収、洗浄、殺菌、再洗浄を順次連続して行うこと
を特徴とする液体移送配管の洗浄殺菌システムである。According to a second aspect of the present invention, there is provided a liquid transfer pipe for transferring a liquid, and a cleaning fluid and a sterilization fluid which are supplied by applying a predetermined pressure from the outside. And a washing / sterilizing unit for feeding the pigs to the liquid transfer pipe by a corresponding fluid, respectively, and transferring the plurality of pigs from the washing / sterilizing unit after transferring the liquid by the liquid transfer pipe. The liquid is transferred into the liquid transfer pipe in a predetermined order, and a plurality of pigs are simultaneously present in the liquid transfer pipe, and the collection, washing, sterilization, and re-washing of the transfer liquid in the liquid transfer pipe are sequentially performed. It is a cleaning and sterilizing system for a liquid transfer pipe, which is performed continuously.

【００１０】上述した請求項１および２に記載の発明に
よれば、複数のピグが各ピグに対応する洗浄流体または
殺菌流体によって予め定められた順序に従って、順次液
体移送配管へ送り込まれる。そして、液体移送配管内に
複数のピグが同時に存在する状態を経て、当該液体移送
配管から上記各ピグ、および、各ピグを送り込んだ洗浄
流体および殺菌流体を回収した時点で、上記液体移送配
管内における移送液体の回収、洗浄、殺菌、再洗浄が連
続して行われることになる。According to the first and second aspects of the present invention, a plurality of pigs are sequentially fed into the liquid transfer pipe in a predetermined order by a cleaning fluid or a sterilizing fluid corresponding to each pig. Then, through a state in which a plurality of pigs are simultaneously present in the liquid transfer pipe, each of the pigs from the liquid transfer pipe, and at the time when the cleaning fluid and the sterilizing fluid that sent each pig are collected, the , The cleaning, sterilization, and re-cleaning of the transfer liquid are performed continuously.

【００１１】ここで、予め定められた順序とは、例え
ば、まず、最初のピグを洗浄流体により液体移送配管へ
送り込み、液体移送配管内に残留した液体を押し出すと
共に、液体移送配管内を洗浄し、次のピグを殺菌流体に
より液体移送配管へ送り込み、上記最初のピグおよび洗
浄流体を押し出すと共に、液体移送配管内を殺菌し、さ
らに、３番目のピグを再度洗浄流体により液体移送配管
へ送り込むことによって、上記最初のピグ、洗浄流体、
次のピグ、および、殺菌流体を押し出すと共に、液体移
送配管内を再洗浄するという順序が考えられる。Here, the predetermined order means, for example, that the first pig is first sent to the liquid transfer pipe by a cleaning fluid to push out the liquid remaining in the liquid transfer pipe and to clean the inside of the liquid transfer pipe. Feeding the next pig into the liquid transfer pipe with a sterilizing fluid, extruding the first pig and the cleaning fluid, sterilizing the inside of the liquid transfer pipe, and feeding the third pig again into the liquid transfer pipe with the cleaning fluid. By the first pig above, the cleaning fluid,
The next pig and the sequence of pushing out the sterilizing fluid and re-cleaning the inside of the liquid transfer pipe can be considered.

【００１２】また、上記予め定められた順序として、例
えば、実施形態における図２のステップＳ２〜ステップ
Ｓ６に示す順序も考えられるが、この場合、液体移送配
管内に同時に存在する複数のピグは、第２ピグ３２−２
および第３ピグ３２−３の２つとなる。As the above-mentioned predetermined order, for example, the order shown in steps S2 to S6 in FIG. 2 in the embodiment can be considered. In this case, a plurality of pigs simultaneously present in the liquid transfer pipe are: 2nd pig 32-2
And the third pig 32-3.

【００１３】また、上述した洗浄，殺菌は、必要に応じ
て複数回繰り返してもよい。すなわち、例えば、まず、
最初のピグを洗浄流体により液体移送配管へ送り込み、
液体移送配管内に残留した液体を押し出すと共に、液体
移送配管内を洗浄した後、次のピグを再度洗浄液で押し
出して、続けて洗浄を行うようにしてもよい。The above-described washing and sterilization may be repeated a plurality of times as necessary. That is, for example, first,
The first pig is sent to the liquid transfer pipe by the cleaning fluid,
After the liquid remaining in the liquid transfer pipe is pushed out and the inside of the liquid transfer pipe is washed, the next pig may be pushed out again with the washing liquid to continuously perform washing.

【００１４】さらに、洗浄流体および殺菌流体に付与さ
れる所定の圧力（ゲージ圧）は、移送配管の口径や長さ
によって変わるが、通常は０．２〜２ＭＰａの範囲であ
り、好ましくは、０.３〜１.０ＭＰａの範囲が適当であ
る。また、上記洗浄流体としては、上水、精製水（イオ
ン交換水）等が使用可能である。また、殺菌流体として
はオゾン水，強酸化水，次亜塩素酸ソーダ，エタノール
等が使用可能である。また、殺菌流体として、ピュアス
チーム（イオン交換水のスチーム）等を用いてもよい。Further, the predetermined pressure (gauge pressure) applied to the cleaning fluid and the sterilizing fluid varies depending on the diameter and length of the transfer pipe, but is usually in the range of 0.2 to 2 MPa, preferably 0 to 2 MPa. A range of 0.3 to 1.0 MPa is appropriate. Further, as the cleaning fluid, tap water, purified water (ion-exchanged water) and the like can be used. In addition, ozone water, strongly oxidized water, sodium hypochlorite, ethanol and the like can be used as the sterilizing fluid. Further, pure steam (steam of ion-exchanged water) or the like may be used as the sterilizing fluid.

【００１５】[0015]

【発明の実施の形態】以下、図面を参照して本発明に係
る液体移送配管の洗浄殺菌システムの一実施形態ついて
説明する。図１は本実施形態における洗浄殺菌システム
の概略的な構成を示す概略構成図である。この図におい
て、１はヘアリンス、クリーム、乳液、柔軟剤、シャン
プー、ボディソープ、液体ベビー洗剤、練歯磨等の各種
液体製品を移送するための移送配管であり、本実施形態
における洗浄殺菌システムの洗浄，殺菌対象である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a system for cleaning and sterilizing a liquid transfer pipe according to the present invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram illustrating a schematic configuration of the cleaning and disinfecting system according to the present embodiment. In this figure, reference numeral 1 denotes a transfer pipe for transferring various liquid products such as a hair rinse, a cream, a milky lotion, a softener, a shampoo, a body soap, a liquid baby detergent, a toothpaste, and the like. , To be sterilized.

【００１６】２は移送元経路配管であり、図示せぬポン
プによって移送元の貯槽から送られてくる上記各種液体
製品（移送液体）等を通過させる。３は洗浄・殺菌ユニ
ットであり、ピグを用いて洗浄液，殺菌剤，仕上げ洗浄
液，次の移送液体（後述する）等のいずれか１つを切り
替え可能に移送配管１へ供給する。なお、この洗浄・殺
菌ユニットの構成については後述する。４は回収経路配
管であり、洗浄・殺菌ユニット３から移送配管１を通過
してきたピグ，洗浄液，殺菌剤，仕上げ洗浄液等を、図
示せぬ回収部へ送るための配管である。５は移送先経路
配管であり、移送配管１を通過してきた各種液体製品を
移送先の貯槽（図示略）へ送るための配管である。Reference numeral 2 denotes a transfer source passage pipe through which the various liquid products (transfer liquid) and the like sent from the storage tank at the transfer source are passed by a pump (not shown). Reference numeral 3 denotes a cleaning / sterilizing unit, which supplies any one of a cleaning liquid, a disinfectant, a finishing cleaning liquid, a next transfer liquid (described later) and the like to the transfer pipe 1 using a pig. The configuration of the cleaning / sterilizing unit will be described later. Reference numeral 4 denotes a recovery path pipe, which is a pipe for sending a pig, a cleaning liquid, a germicide, a finishing cleaning liquid, and the like that have passed through the transfer pipe 1 from the cleaning / sterilization unit 3 to a recovery unit (not shown). Reference numeral 5 denotes a transfer destination pipe, which is a pipe for sending various liquid products passing through the transfer pipe 1 to a storage tank (not shown) at the transfer destination.

【００１７】６−１，６−２は、それぞれ第１三方弁お
よび第２三方弁であり、第１三方弁６−１は、移送元経
路配管２から送られてきた液体製品、または、洗浄・殺
菌ユニット３から送られてきたピグや各種液体のいずれ
か一方を移送配管１へ流出する。また、第２三方弁６−
２は、移送配管１から送られてきたピグや各種液体を、
回収経路配管４または移送先経路配管５へ流出する。な
お、図１に示す第１三方弁６−１および第２三方弁６−
２は、それぞれ洗浄・殺菌ユニット３から移送配管１へ
の経路、および、移送配管１から移送先経路配管５への
経路（すなわち、実線で示す経路）が形成されている状
態を示している。Reference numerals 6-1 and 6-2 denote a first three-way valve and a second three-way valve, respectively. The first three-way valve 6-1 includes a liquid product sent from the transfer source pipe 2 or a cleaning product. One of the pigs and various liquids sent from the sterilization unit 3 flows out to the transfer pipe 1. Also, the second three-way valve 6-
2 is for pigs and various liquids sent from the transfer pipe 1,
It flows out to the recovery route piping 4 or the transfer destination route piping 5. The first three-way valve 6-1 and the second three-way valve 6--6 shown in FIG.
Reference numeral 2 denotes a state in which a path from the cleaning / sterilizing unit 3 to the transfer pipe 1 and a path from the transfer pipe 1 to the transfer path pipe 5 (that is, a path indicated by a solid line) are formed.

【００１８】次に、前述した洗浄・殺菌ユニット３の構
成について説明する。洗浄・殺菌ユニット３は、内部に
各々独立した４つの配管系を有し、これら４つの配管系
の各々に対応して、それぞれ所定の圧力（ゲージ圧）が
付与された、洗浄液、殺菌剤、仕上げ洗浄液、次の移送
液体（移送元経路配管２を通して移送される液体製品の
次に移送される液体製品）が外部から供給されている。Next, the configuration of the cleaning / sterilizing unit 3 will be described. The cleaning / sterilizing unit 3 has four independent piping systems therein, and a predetermined pressure (gauge pressure) is applied to each of the four piping systems. The finish cleaning liquid and the next transfer liquid (the liquid product transferred next to the liquid product transferred through the transfer source pipe 2) are supplied from the outside.

【００１９】ここで、上記洗浄液は、移送液体の種類に
よって決められるが、水溶性の移送液体の場合は、水が
適当であり、特に、洗浄性から４０〜８０℃の温水、と
りわけ、移送液体が化粧品や医薬部外品の場合は、異物
混入防止の点から４０〜８０℃の温精製水が最適であ
る。なお、これらの水は、微生物を混入させないという
観点から、滅菌水の使用が好ましい。The washing liquid is determined depending on the type of the transfer liquid. In the case of a water-soluble transfer liquid, water is suitable, and in particular, warm water at 40 to 80 ° C., particularly, When cosmetics and quasi-drugs are used, warm purified water at 40 to 80 ° C. is optimal from the viewpoint of preventing foreign matter from entering. In addition, it is preferable to use sterilized water from the viewpoint of not mixing microorganisms.

【００２０】また、殺菌剤は、殺菌の対象となる菌や、
移送配管の材質によって決められるが、耐熱性のある金
属等の移送配管の場合は、非接触部のガスケット裏側等
も伝熱により殺菌可能である水蒸気や、８０℃以上の熱
水を用いる加熱殺菌が確実で最適である。この場合、と
りわけ次に移送する流体製品として化粧品や医薬部外品
を移送する場合は、精製水蒸気や熱精製水を用いれば、
異物混入防止ができ、仕上洗浄を削除可能となるメリッ
トがある。一方、耐熱性のない移送配管の場合は、通常
殺菌に用いられるオゾン水、強酸化水、次亜塩素酸ソー
ダ、エタノール等が使用可能であるが、このうち、廃液
処理の負担が小さいオゾン水が最適である。Further, the bactericide is a bacterium to be sterilized,
It is determined by the material of the transfer pipe, but in the case of a transfer pipe made of heat-resistant metal, heat sterilization using steam that can sterilize the back side of the gasket at the non-contact portion by heat transfer or hot water of 80 ° C or higher Is certain and optimal. In this case, especially when transferring cosmetics or quasi-drugs as the fluid product to be transferred next, if purified steam or hot purified water is used,
There is an advantage that foreign matter can be prevented and finish cleaning can be eliminated. On the other hand, in the case of a transfer pipe having no heat resistance, ozone water, strong oxidized water, sodium hypochlorite, ethanol, etc. which are usually used for sterilization can be used. Is optimal.

【００２１】さらに仕上げ洗浄液は、移送液体の種類に
よって決められるが、水溶性の移送液体の場合は、滅菌
水、より好ましくは、確実に殺菌できる８０℃以上の温
水が適当であり、特に、次に移送する流体製品として化
粧品や医薬部外品を移送する場合は、異物混入防止の点
から、８０℃以上の温精製水が最適である。Further, the finishing cleaning liquid is determined depending on the type of the transfer liquid. In the case of a water-soluble transfer liquid, sterilized water, more preferably, warm water of 80 ° C. or higher, which can surely sterilize, is suitable. When cosmetics or quasi-drugs are transferred as fluid products to be transferred to a hospital, warm purified water at 80 ° C. or higher is optimal from the viewpoint of preventing foreign matter from entering.

【００２２】また、洗浄液が供給される配管系を第１配
管系、殺菌剤が供給される配管系を第２配管系、仕上げ
洗浄液が供給される配管系を第３配管系、次の移送液体
が供給される配管系を第４配管系とする。これら４つの
配管系は１つの配管にまとめられ、第１三方弁６−１へ
接続されている。また、各配管系には、それぞれ２つの
バルブ３１ａ，３１ｂと、これら２つのバルブの間に、
ピグ３２を配管内にセットするためのピグ挿入部３３が
設けられている。そして、各配管系において、ピグ挿入
部３３から配管内にセットされたピグ３２を所定の順序
に従って、外部から供給される各種液体により、順次、
移送配管１へと送り出す。Further, a piping system to which the cleaning liquid is supplied is a first piping system, a piping system to which the sterilizing agent is supplied is a second piping system, a piping system to which the finishing cleaning liquid is supplied is a third piping system, and the next transfer liquid. The piping system to which is supplied is a fourth piping system. These four piping systems are combined into one piping and connected to the first three-way valve 6-1. In each piping system, two valves 31a and 31b are provided, respectively, and between these two valves,
A pig insertion portion 33 for setting the pig 32 in the pipe is provided. Then, in each piping system, the pigs 32 set in the piping from the pig insertion part 33 are sequentially placed in a predetermined order by various liquids supplied from the outside.
Send it out to transfer pipe 1.

【００２３】なお、各配管系に設けられた上記各構成の
配管系毎の区別は、各符号の後に、ハイフンとその配管
系の番号を付与することによって区別するものとする。
例えば、洗浄液が供給される配管系（第１配管系）に設
置されるバルブ３１ａ，３１ｂおよびピグ挿入部３３
は、それぞれ、バルブ３１ａ−１，３１ｂ−１およびピ
グ挿入部３３−１と表す。また、第１配管系から送り出
されるピグを第１ピグ３２−１と表す。It should be noted that each of the above-described piping systems provided in each of the piping systems is distinguished by giving a hyphen and a number of the piping system after each code.
For example, valves 31a and 31b and a pig insertion part 33 installed in a piping system (first piping system) to which the cleaning liquid is supplied.
Are represented as valves 31a-1, 31b-1 and a pig insertion part 33-1 respectively. Further, a pig sent out from the first piping system is represented as a first pig 32-1.

【００２４】また、洗浄・殺菌ユニット３内の各配管系
に使用される配管の口径は、移送配管１の口径と同一寸
法になっている。さらに、バルブ３１ａ，３１ｂは、そ
れぞれ図１中、第１配管系のバルブ３１ａ−１および３
１ｂ−１の状態が開状態を示し、第２〜第４配管系のバ
ルブ３１ａ−２〜３１ａ−４および３１ｂ−２〜３１ｂ
−４の状態が閉状態を示している。また、ピグ３２の材
質としては、通常、フッ素樹脂、ニトリルゴム等が使用
可能であるが、移送する液体の性質、洗浄・殺菌に用い
る洗浄液および殺菌剤の種類，使用温度等に応じて適宜
選択される。The diameter of the pipe used for each pipe system in the cleaning / sterilizing unit 3 is the same as the diameter of the transfer pipe 1. Further, valves 31a-1 and 3b of the first piping system in FIG.
The state of 1b-1 indicates the open state, and the valves 31a-2 to 31a-4 and 31b-2 to 31b of the second to fourth piping systems.
The state of -4 indicates the closed state. As the material of the pig 32, fluorine resin, nitrile rubber or the like can be usually used, but it is appropriately selected according to the properties of the liquid to be transferred, the type of the cleaning liquid and the sterilizing agent used for cleaning and sterilization, the operating temperature, and the like. Is done.

【００２５】次に上述した液体移送配管の洗浄殺菌シス
テムを用いた移送配管１の線上，殺菌作業の手順につい
て図２を参照して説明する。ここで、初期状態では、第
１三方弁６−１は移送元経路配管２から移送配管１への
経路を形成しており、第２三方弁６−２は移送配管１か
ら移送先経路配管５への経路を形成している。また、線
上・殺菌ユニット３内の全バルブ３１ａ−１〜３１ａ−
４および３１ｂ−１〜３１ｂ−４は、閉状態になってい
る。Next, a procedure of a line sterilization operation of the transfer pipe 1 using the above-described liquid transfer pipe cleaning / sterilizing system will be described with reference to FIG. Here, in the initial state, the first three-way valve 6-1 forms a path from the transfer source pipe 2 to the transfer pipe 1, and the second three-way valve 6-2 is formed from the transfer pipe 1 to the transfer pipe 5 To form a route to Moreover, all the valves 31a-1 to 31a-in the on-line / sterilization unit 3 are provided.
4 and 31b-1 to 31b-4 are in the closed state.

【００２６】そして、図示せぬポンプにより、移送元貯
槽から移送元経路配管２⇒第１三方弁６−１⇒移送配管
１⇒第２三方弁６−２⇒移送先経路配管５の経路によ
り、移送液体の移送が終了すると、洗浄・殺菌作業者
（以下、単に作業者という）は、図２に示すフローチャ
ートに従って、移送配管１の洗浄，殺菌作業を行う。Then, by a pump (not shown), the path from the source storage tank to the source path pipe 2 ⇒ the first three-way valve 6-1 ⇒ the transfer pipe 1 ⇒ the second three-way valve 6-2 ⇒ the destination path pipe 5 When the transfer of the transfer liquid is completed, a cleaning / sterilization worker (hereinafter, simply referred to as a worker) cleans and sterilizes the transfer pipe 1 according to the flowchart shown in FIG.

【００２７】すなわち、まず、ステップＳ１で、第１三
方弁６−１を、洗浄・殺菌ユニット３から移送配管１へ
の経路に切り替える。そして、ステップＳ２へ進み、洗
浄・殺菌ユニット３のバルブ３１ａ−１および３１ｂ−
１を開き、外部から供給された洗浄液の圧力により、第
１ピグ３２−１を移送配管１に向けて押し出させる。こ
れにより、第１ピグ３２−１は、洗浄液の背圧を受けて
移送配管１内に残留した移送液体を移送先貯槽へと押し
出しつつ、移送配管１内を移動していく。またこの時、
洗浄液により移送配管１内に僅かに残った移送液体の残
液が洗浄される。That is, first, in step S1, the first three-way valve 6-1 is switched to a path from the cleaning / sterilizing unit 3 to the transfer pipe 1. Then, the process proceeds to step S2, where the valves 31a-1 and 31b-
1 is opened, and the first pig 32-1 is pushed out toward the transfer pipe 1 by the pressure of the cleaning liquid supplied from the outside. Thereby, the first pig 32-1 moves in the transfer pipe 1 while receiving the back pressure of the cleaning liquid and pushing out the transfer liquid remaining in the transfer pipe 1 to the transfer destination storage tank. At this time,
The cleaning liquid removes the remaining liquid of the transfer liquid slightly remaining in the transfer pipe 1.

【００２８】次に、ステップＳ３へ進み、第１ピグ３２
−１が第２三方弁６−２の入力端に達するまで洗浄・殺
菌ユニット３から洗浄液を送り出す（ステップＳ３の判
断結果がＮＯの間）。やがて第１ピグ３２−１が第２三
方弁６−２の入力端に到達したら（ステップＳ３の判断
結果がＹＥＳ）、ステップＳ４へ進み、第２三方弁６−
２の流路を移送先経路配管５側から回収経路配管４側へ
切り替える。Then, the process proceeds to a step S3, wherein the first pig 32
The cleaning liquid is sent from the cleaning / sterilizing unit 3 until -1 reaches the input end of the second three-way valve 6-2 (while the determination result in step S3 is NO). Eventually, when the first pig 32-1 reaches the input end of the second three-way valve 6-2 (the determination result of step S3 is YES), the process proceeds to step S4, where the second three-way valve 6-2 is operated.
The flow path 2 is switched from the transfer destination pipe 5 to the recovery pipe 4.

【００２９】そして、第１ピグ３２−１が第２三方弁６
−２および移送先経路配管５を経て図示せぬ回収部に回
収されると、洗浄・殺菌ユニット３のバルブ３１ａ−１
および３１ｂ−１を閉める。次にステップＳ５へ進み、
バルブ３１ａ−２および３１ｂ−２を開ける。これによ
り、殺菌剤によって第２ピグ３２−２が移送配管１へ押
し出され、移送配管１内が洗浄液により完全に洗い落さ
れると同時に、殺菌剤によって移送配管１内が殺菌され
る。なお、第２ピグ３２−２により押し出された洗浄液
は回収部へ回収される。The first pig 32-1 is connected to the second three-way valve 6
-2 and the collecting part (not shown) via the transfer destination pipe 5, the valve 31a-1 of the cleaning / sterilizing unit 3
And 31b-1 are closed. Next, proceed to step S5,
The valves 31a-2 and 31b-2 are opened. Thereby, the second pig 32-2 is pushed out to the transfer pipe 1 by the disinfectant, and the inside of the transfer pipe 1 is completely washed off by the cleaning liquid, and at the same time, the inside of the transfer pipe 1 is disinfected by the disinfectant. Note that the cleaning liquid pushed out by the second pig 32-2 is collected in the collecting section.

【００３０】そして、予め定められた量の殺菌剤が移送
配管１へ送り出されると、洗浄・殺菌ユニット３のバル
ブ３１ａ−２および３１ｂ−２を閉める。この時、必要
に応じて殺菌剤を移送配管１内に所定時間滞留させて
（詳しくは後述する）殺菌をより徹底的に行なうように
してもよい。なお、上述した予め定められた量とは、移
送配管１の全容積よりも少ない量（例えば、移送配管１
の全容積の１／２以下の量）である。When a predetermined amount of the germicide is sent to the transfer pipe 1, the valves 31a-2 and 31b-2 of the cleaning / sterilization unit 3 are closed. At this time, if necessary, a sterilizing agent may be retained in the transfer pipe 1 for a predetermined time (to be described in detail later) so as to perform the sterilization more thoroughly. The above-mentioned predetermined amount is an amount smaller than the total volume of the transfer pipe 1 (for example, the transfer pipe 1
Of the total volume of 全 or less).

【００３１】次にステップＳ６へ進み、バルブ３１ａ−
３および３１ｂ−３を開けて、仕上げ洗浄液により第３
ピグ３２−３を移送配管１へ移動させる。これにより、
移送配管１内の第２ピグ３２−２および殺菌剤が、第３
ピグ３２−３によって押し出され、かつ、第２ピグ３２
−２の背後において仕上げ洗いが行われる。そして、予
め定められた量の殺菌剤が移送配管１へ送り出される
と、洗浄・殺菌ユニット３のバルブ３１ａ−３および３
１ｂ−３を閉める。Then, the process proceeds to a step S6, wherein the valve 31a-
3 and 31b-3 are opened, and the third
The pig 32-3 is moved to the transfer pipe 1. This allows
The second pig 32-2 and the disinfectant in the transfer pipe 1
Extruded by the pig 32-3 and the second pig 32
Finish washing is performed behind -2. Then, when a predetermined amount of the disinfectant is sent out to the transfer pipe 1, the valves 31a-3 and 31a of the cleaning and disinfecting unit 3
Close 1b-3.

【００３２】次にステップＳ７へ進み、洗浄・殺菌ユニ
ット３のバルブ３１ａ−４および３１ｂ−４を開けて、
次の移送液体の圧力により、第４ピグ３２−４を移送配
管１へと移動させる。これにより、移送配管１内の仕上
げ洗浄液が押し出され、殺菌剤を洗い流していくと共
に、次の移送液体が移送配管１へ送られる。Next, proceeding to step S7, the valves 31a-4 and 31b-4 of the cleaning / sterilizing unit 3 are opened, and
The fourth pig 32-4 is moved to the transfer pipe 1 by the pressure of the next transfer liquid. As a result, the finish cleaning liquid in the transfer pipe 1 is pushed out, the germicide is washed away, and the next transfer liquid is sent to the transfer pipe 1.

【００３３】図３に、この時の移送配管内の状態を模式
的に示す。移送配管１内には、第２ピグ３２−２を先頭
に、第３ピグ３２−３および第４ピグ３２−４が同時に
存在し、これらのピグは、次の移送液体の背圧を受けて
移送配管１内を移動する。その際、殺菌剤および仕上げ
洗浄液は、それぞれ、第２ピグ３２−２と第３ピグ３２
−３の間、第３ピグ３２−３と第４ピグ３２−４の間で
移送配管内に隙間なく満たされ、なおかつ、その状態の
まま移送配管内を移動することになるので、口径の大き
い移送配管であっても少量の殺菌剤および仕上げ洗浄液
により、移送配管内をまんべんなく殺菌および仕上げ洗
浄することができる。さらには、殺菌および仕上げ洗浄
を行いつつ、直ちに次の移送液体を移送することも実現
されている。FIG. 3 schematically shows the state in the transfer pipe at this time. In the transfer pipe 1, a third pig 32-3 and a fourth pig 32-4 exist at the same time with the second pig 32-2 at the head, and these pigs receive the back pressure of the next transfer liquid. It moves inside the transfer pipe 1. At this time, the disinfectant and the finishing cleaning liquid are supplied to the second pig 32-2 and the third pig 32, respectively.
-3, the space between the third pig 32-3 and the fourth pig 32-4 is filled with no gap in the transfer pipe, and the pipe moves in the transfer pipe in that state, so that the diameter is large. Even in the transfer pipe, the inside of the transfer pipe can be evenly sterilized and finish-cleaned with a small amount of a sterilizing agent and a finish cleaning liquid. Furthermore, it is also possible to immediately transfer the next transfer liquid while performing sterilization and finish cleaning.

【００３４】そして、次の移送液体を移送配管１へ送り
続け、ステップＳ８の判断結果がＹＥＳになると、すな
わち、第２ピグ３２−２、殺菌剤、第３ピグ３２−３、
仕上げ洗浄液が図示せぬ回収部に回収され、次いで第４
ピグ３２−４が回収されると、ステップＳ９へ進み、第
２三方弁６−２の流路を回収経路配管４側から移送先経
路配管５側に切り替え、これにより洗浄・殺菌操作が終
了する。以後は、洗浄・殺菌ユニット３から次の移送液
体が、移送先貯槽へと移送される。Then, the next transfer liquid is continuously sent to the transfer pipe 1, and if the determination result in the step S8 becomes YES, that is, the second pig 32-2, the disinfectant, the third pig 32-3,
The finishing cleaning liquid is collected in a collecting unit (not shown), and then the fourth cleaning liquid is collected.
When the pig 32-4 is collected, the process proceeds to step S9, in which the flow path of the second three-way valve 6-2 is switched from the collection path pipe 4 side to the transfer destination path pipe 5 side, thereby completing the cleaning / sterilization operation. . Thereafter, the next transfer liquid is transferred from the cleaning / sterilizing unit 3 to the transfer destination storage tank.

【００３５】なお、特に高度な洗浄が必要な場合は、洗
浄工程を２〜３回繰り返してもよい。すなわち、まず、
第１ピグ３２−１を洗浄液により送り出し、移送配管１
内に残留した移送液体を押し出しつつ洗浄した後、一旦
バルブ３１ａ−１，３１ｂ−１を閉めて、ピグ挿入部３
３−１から再度第１ピグ３２−１をセットし、再びバル
ブ３１ａ−１，３１ｂ−１を開けて、２度目の洗浄を行
うようにしてもよい。この時、再度セットする第１ピグ
は、前回使用した第１ピグを回収して再使用してもよい
し、別の第１ピグを洗浄工程を繰り返す回数分、予め用
意して順次使用してもよい。If a particularly high level of cleaning is required, the cleaning step may be repeated two or three times. That is, first,
The first pig 32-1 is sent out by the cleaning liquid, and the transfer pipe 1
After washing while extruding the transfer liquid remaining in the inside, the valves 31a-1 and 31b-1 are closed once, and the pig insertion part 3 is closed.
The first pig 32-1 may be set again from 3-1 and the valves 31a-1 and 31b-1 may be opened again to perform the second cleaning. At this time, the first pig to be set again may be collected and reused for the first pig used last time, or may be prepared in advance and used sequentially for another number of times for repeating the washing step. Is also good.

【００３６】また、殺菌剤の移送配管内における滞留時
間は、使用する殺菌剤の種類、殺菌剤の温度、殺菌対象
の菌等に応じて決められるが、一般的に、移送配管内の
一定箇所が殺菌剤に３０分以上さらされるように、ピグ
の送出速度を調節することが好ましい。例えば、１〜２
ｐｐｍのオゾン水を殺菌剤として使用した場合、１０分
以上の滞留が好ましい。なお、これらの薬剤により殺菌
する場合は、非接触部に対する殺菌効果がないため、定
期的に加熱殺菌を併用することが好ましい。The residence time of the disinfectant in the transfer pipe is determined according to the type of disinfectant used, the temperature of the disinfectant, the bacteria to be disinfected, and the like. It is preferred to adjust the delivery rate of the pig so that is exposed to the disinfectant for more than 30 minutes. For example, 1-2
When ppm ozone water is used as a disinfectant, retention for 10 minutes or more is preferable. In the case of sterilization with these agents, it is preferable to periodically use heat sterilization since there is no sterilizing effect on the non-contact portion.

【００３７】また、必要に応じて移送配管内全体を殺菌
液で満たして一定時間保持することも効果的である。こ
の時、熱伝導率の大きい移送配管の場合、殺菌剤の保持
中に殺菌効果を発揮する所定温度以下に低下することが
懸念されるが、そのような場合は、前述した洗浄行程と
同様にして、殺菌工程を２〜３回行うようにしてもよ
い。It is also effective to fill the entire transfer pipe with a sterilizing solution and hold it for a certain period of time, if necessary. At this time, in the case of a transfer pipe having a large thermal conductivity, there is a concern that the temperature may be lowered to a predetermined temperature or less at which a sterilizing effect is exhibited during holding of the sterilizing agent. In such a case, the same as the above-described cleaning process is performed. Then, the sterilization step may be performed two to three times.

【００３８】ここで、洗浄・殺菌ユニット３から送り出
されるのピグの数は、洗浄・殺菌対象の移送配管に対し
て要求される洗浄・殺菌の程度によって決定されるが、
上述した洗浄工程および殺菌工程を繰り返す場合を考慮
しても、２〜８個が適当である。例えば、洗浄・殺菌ユ
ニット３から送り出すピグの数を８個とした場合、最初
のピグ，洗浄液，２番目のピグ，洗浄液，３番目のピ
グ，洗浄液，４番目のピグ，殺菌剤，５番目のピグ，殺
菌剤，６番目のピグ，殺菌剤，７番目のピグ，仕上げ洗
浄液，８番目のピグ，次の移送液体という順序で送り出
すことが考えられる。Here, the number of pigs sent out from the cleaning / sterilization unit 3 is determined by the degree of cleaning / sterilization required for the transfer pipe to be cleaned / sterilized.
Even considering the case where the above-mentioned washing step and sterilization step are repeated, 2 to 8 pieces are appropriate. For example, if the number of pigs sent out from the washing / sterilizing unit 3 is eight, the first pig, the washing solution, the second pig, the washing solution, the third pig, the washing solution, the fourth pig, the disinfectant, and the fifth It is conceivable to send out the pig, the disinfectant, the sixth pig, the disinfectant, the seventh pig, the finishing cleaning liquid, the eighth pig, and the next transfer liquid in this order.

【００３９】さらに、ピグを押し出すための各種液体の
圧力（ゲージ圧）は、移送配管の口径や長さによって変
わるが、通常は０.２〜２ＭＰａの範囲であり、好まし
くは、０.３〜１.０ＭＰａの範囲が適当である。これ以
下の圧力では、ピグの移動が不良となる（滞る）場合が
あり、また、これ以上の圧力では、ピグの移動が速すぎ
て、移送配管の内壁に残留した各種液体の掻き落としが
不十分になる場合がある。Further, the pressure (gauge pressure) of various liquids for extruding the pig varies depending on the diameter and length of the transfer pipe, but is usually in the range of 0.2 to 2 MPa, preferably 0.3 to 2 MPa. A range of 1.0 MPa is appropriate. At a pressure lower than this, the movement of the pig may be poor (stagnation), and at a pressure higher than this, the movement of the pig is too fast to scrape off various liquids remaining on the inner wall of the transfer pipe. May be enough.

【００４０】また、洗浄・殺菌ユニット３は、洗浄する
移送配管に固定して設置しても良いが、洗浄・殺菌すべ
き同口径の移送配管が複数のある場合、移動可能な構造
にして、必要な時に必要な場所へ接続して＝使用する
と、設備費が安価に済み、有利である。また、上述した
洗浄・殺菌システムにおいて、バルブの開閉動作を自動
化し、さらに、バルブ開閉動作のタイミングおよび図２
に示したフローチャートの各ステップの所要時間を予め
設定し、自動的に実行するように構成すれば、ほとんど
無人で一連の操作が可能となる。The cleaning / sterilizing unit 3 may be fixedly installed on the transfer pipe to be cleaned. However, when there are a plurality of transfer pipes having the same diameter to be cleaned / sterilized, the cleaning / sterilizing unit 3 should have a movable structure. When connected to a necessary place when needed = used, the equipment cost can be reduced, which is advantageous. Further, in the above-mentioned cleaning / sterilizing system, the valve opening / closing operation is automated, and the valve opening / closing operation timing and FIG.
If the time required for each step in the flowchart shown in (1) is set in advance and automatically executed, a series of operations can be performed almost unattended.

【００４１】[0041]

【実施例】本発明をさらに詳細かつ具体的に説明するた
めに、以下にシャンプーの移送配管に対する洗浄・殺菌
作業の比較例および実施例を示す。ここで、比較例では
従来の洗浄・殺菌作業に準じた方法により移送配管を洗
浄・殺菌を行い、実施例では、上述した本願発明に係る
栓状殺菌システムを用いて移送配管を洗浄・殺菌を行っ
た。EXAMPLES In order to explain the present invention in more detail and concretely, comparative examples and examples of washing and sterilizing operations for transfer pipes of shampoo are shown below. Here, in the comparative example, the transfer pipe is cleaned and sterilized by a method according to the conventional cleaning and sterilization work, and in the example, the transfer pipe is cleaned and sterilized using the plug-shaped sterilization system according to the present invention described above. went.

【００４２】図４に、比較例および実施例により、洗浄
・殺菌作業を行う移送配管の構成を模式的に示す。この
図において、１０は洗浄・殺菌対象の移送配管であり、
１７ヶ所の継手を有している。また、この移送配管１０
の材質はSUS304であり、口径は５０Ａ，長さは約５０ｍ
である。１１は移送液体であるシャンプーを移送配管１
へと送り込むポンプである。１２は移送配管１０とポン
プ１１との間の経路を遮断または開放するバルブであ
る。FIG. 4 schematically shows the configuration of a transfer pipe for performing cleaning and sterilization operations according to a comparative example and an example. In this figure, reference numeral 10 denotes a transfer pipe to be cleaned and sterilized,
It has 17 joints. In addition, this transfer pipe 10
Is made of SUS304, diameter is 50A, length is about 50m
It is. 11 is a transfer pipe 1 for shampoo which is a transfer liquid.
It is a pump that feeds into. Reference numeral 12 denotes a valve that shuts off or opens a path between the transfer pipe 10 and the pump 11.

【００４３】１３は比較例においては外部から、また、
実施例においては図１に示した洗浄・殺菌ユニット３か
ら、移送配管１０へ送り込む洗浄液，殺菌剤等を阻止ま
たは通過させるバルブである。１４は移送配管１０と図
示せぬ回収部（前述した「実施形態」で説明した回収部
と同様のもの）との間の経路を遮断または開放するバル
ブである。１５は移送配管１０と図示せぬ移送先貯槽と
の間の経路を遮断または開放するバルブである。In the comparative example, reference numeral 13 denotes an external unit;
In the embodiment, the valve is a valve for preventing or passing a cleaning liquid, a sterilizing agent, and the like sent from the cleaning / sterilizing unit 3 shown in FIG. Reference numeral 14 denotes a valve that shuts off or opens a path between the transfer pipe 10 and a collecting unit (not shown) (similar to the collecting unit described in the above-described “embodiment”). A valve 15 shuts off or opens a path between the transfer pipe 10 and a transfer destination storage tank (not shown).

【００４４】上記の移送配管の構成において、洗浄・殺
菌の対象範囲は、ポンプ１１の出口のバルブ１２から、
移送先貯槽へと続く配管手前のバルブ１５までの範囲で
ある。In the configuration of the above-mentioned transfer pipe, the range of cleaning and sterilization is determined by the valve 12 at the outlet of the pump 11.
This is the range up to the valve 15 just before the pipe leading to the transfer destination storage tank.

【００４５】次に、比較例１，比較例２，実施例１，実
施例２，実施例３の各々における洗浄・殺菌手順を記
す。Next, the cleaning and sterilizing procedures in Comparative Example 1, Comparative Example 2, Example 1, Example 2, and Example 3 will be described.

【００４６】［比較例１］ バルブ１５を開状態、バルブ１２，１３，１４を閉状
態にし、バルブ１３の外側開口部にエアーホースを接続
して、圧力をかけた状態にしてから、バルブ１３を開
け、圧力（ゲージ圧）０．４ＭＰａで、移送配管１０中
の残液を移送先貯槽へとパージした。 移送配管１０の継手部１７ヶ所を分解して、図示せぬ
洗浄槽に運び、約６０℃の温水で洗浄した。 洗浄済の短管（分解された移送配管１０の各々の
管）から順次、一方から水蒸気を吹き込み、全部位が８
０℃になったのを確認後、さらに３０分間、水蒸気吹き
込みを継続して殺菌した。 殺菌済の短管から順次、約８０℃の温精製水で仕上
洗浄した後、移送配管１０を再度組み立てた。 移送配管１０の組み立て終了後、ポンプ１１によ
り、移送元貯槽からの次品種のシャンプーを移送配管１
０に充満させた。[Comparative Example 1] The valve 15 was opened, the valves 12, 13, and 14 were closed, and an air hose was connected to the outside opening of the valve 13 to apply pressure. Was opened, and the remaining liquid in the transfer pipe 10 was purged to the transfer destination storage tank at a pressure (gauge pressure) of 0.4 MPa. Seventeen joint portions of the transfer pipe 10 were disassembled, transported to a cleaning tank (not shown), and washed with warm water of about 60 ° C. Steam is blown in from one side sequentially from the cleaned short pipe (each pipe of the disassembled transfer pipe 10), and the
After confirming that the temperature reached 0 ° C., steam was blown continuously for another 30 minutes for sterilization. After finish-washing the sterilized short tube sequentially with hot purified water at about 80 ° C., the transfer pipe 10 was assembled again. After the transfer pipe 10 is assembled, the pump 11 transfers the next type of shampoo from the transfer source storage tank to the transfer pipe 1.
Filled to zero.

【００４７】［比較例２］ バルブ１３，１４を開状態、バルブ１２，１５を閉状
態にし、バルブ１３の外部側の開口部から直接ピグを打
ち込み、このピグに圧力（ゲージ圧）１．５ＭＰａの背
圧を付加して、移送配管１０中の残液を移送先貯槽へと
押し出した。ピグがバルブ１４の手前まで来た時、バル
ブ１５を閉め、バルブ１４を開けて、上記ピグを図示せ
ぬ回収部において回収した。 次にバルブ１３の外部側開口部から、直接約６０℃の
温水を約５０Ｌ／分で送り込み、移送配管１０内を洗浄
した。廃液はバルブ１４を通して図示せぬ回収部で回収
した。そして、廃液中のＴＯＤを時系列的に測定し、５
０ｐｐｍ以下になった時点で、洗浄を終了した。 次にバルブ１３の外部側の開口部から、水蒸気を吹き
込み、移送配管１０の全部位が８０℃になったのを確認
した後、さらに３０分間、水蒸気の吹き込みを継続して
行い殺菌した。ドレーンはバルブ１４を通して図示せぬ
回収部で回収した。 次にバルブ１３の外部側開口部から、約８０℃の温精
製水をポンプ（図示略）で送り込み、移送配管１０内を
仕上げ洗浄した。廃液はバルブ１４を通して図示せぬ回
収部で回収した。 最後にバルブ１２，１５を開状態、バルブ１３，１４
を閉状態にし、ポンプ１１により、移送元貯槽からの次
品種のシャンプーを移送配管１０に充満させた。COMPARATIVE EXAMPLE 2 The valves 13 and 14 were opened and the valves 12 and 15 were closed, and a pig was driven directly from an opening on the outside of the valve 13, and a pressure (gauge pressure) of 1.5 MPa was applied to the pig. Then, the residual liquid in the transfer pipe 10 was pushed out to the transfer destination storage tank. When the pig reached just before the valve 14, the valve 15 was closed, the valve 14 was opened, and the pig was collected in a collection unit (not shown). Next, hot water at about 60 ° C. was directly fed in at about 50 L / min from the opening on the outside of the valve 13 to wash the inside of the transfer pipe 10. The waste liquid was collected at a collecting section (not shown) through the valve 14. Then, the TOD in the waste liquid was measured in time series,
The washing was completed when the concentration became 0 ppm or less. Next, steam was blown from the opening on the outside of the valve 13 to confirm that the entire temperature of the transfer pipe 10 reached 80 ° C., and then steam was blown continuously for another 30 minutes for sterilization. The drain was collected at a collecting section (not shown) through the valve 14. Next, hot purified water at about 80 ° C. was pumped in from the outside opening of the valve 13 by a pump (not shown), and the inside of the transfer pipe 10 was finished and washed. The waste liquid was collected at a collecting section (not shown) through the valve 14. Finally, the valves 12 and 15 are opened, and the valves 13 and 14 are opened.
Was closed, and the transfer pipe 10 was filled with the shampoo of the next type from the transfer source storage tank by the pump 11.

【００４８】実施例１〜３では、図４のバルブ１３の外
部側開口部に、図１で示した洗浄・殺菌ユニット３を接
続し、下記の手順および条件により洗浄・殺菌作業を実
施した。In Examples 1 to 3, the cleaning / sterilizing unit 3 shown in FIG. 1 was connected to the opening on the outer side of the valve 13 in FIG. 4, and the cleaning / sterilizing operation was performed according to the following procedure and conditions.

【００４９】［実施例１，実施例２］ まず、バルブ１３，１５を開状態、バルブ１２，１４
を閉状態にし、洗浄・殺菌ユニット３の第１配管系へ約
８０℃の温精製水を供給し、第１ピグ３２−１を移動さ
せて、移送配管１０内の残液を移送先貯槽へと押し出す
と同時に、僅かに配管内壁に残った付着液を洗浄した。
この時、第１ピグ３２−１の操作圧力（ゲージ圧）は、
実施例１では１．０ＭＰａ，実施例２では、０．４ＭＰ
ａとした。 次に、第１ピグ３２−１が移送配管１０の１／２まで
達する量だけ、上記温精製水を供給した後、０.４ＭＰ
ａの水蒸気を第２配管系に供給し、第２ピグ３２−２を
移動させて、移送配管１０内に残っている温精製水を、
第１ピグ３２−１と共に押し出す。そして、第１ピグ３
２−１がバルブ１４の手前に達したところでバルブ１５
を閉状態、バルブ１４を開状態とし、バルブ１４を通し
て第１ピグ３２−１，温精製水，第２ピグ３２−２が回
収部で回収された時点で、バルブ１４を閉状態にして、
移送配管１０内を水蒸気で充満させ、移送配管１０の全
部位が、９０℃以上になった時点で水蒸気の流入を止め
た。 殺菌後、再度バルブ１４を開け、約８０℃の温精製
水を第３配管系へ供給し、第３ピグ３２−３を作動させ
て、移送配管１０内に残ったドレーンをバルブ１４を通
して回収部へ押し出すと共に、移送配管１０内を仕上洗
浄した。そして、第３ピグ３２−３が移送配管１０の１
／２まで達した時点で、第３配管系へ供給する温精製水
を停止した。 最後に、次に移送するシャンプーを第４配管系へ供給
し、第４ピグ３２−４を移動させて、移送配管１０内に
残った温精製水をバルブ１４を通して回収部へ押し出す
と共に、移送配管１０内を次に移送するシャンプーで充
満させた。そして回収部において第４ピグ３２−４が回
収されたことを確認した時点で、バルブ１４を閉状態、
バルブ１５を開状態にして、流路を移送先貯槽側に切り
替え、洗浄・殺菌作業を終了した。[Embodiments 1 and 2] First, the valves 13 and 15 are opened, and the valves 12 and 14 are opened.
Is closed, hot purified water of about 80 ° C. is supplied to the first piping system of the washing / sterilizing unit 3, the first pig 32-1 is moved, and the remaining liquid in the transfer piping 10 is transferred to the transfer destination storage tank. And at the same time, the adhering liquid slightly remaining on the inner wall of the pipe was washed.
At this time, the operating pressure (gauge pressure) of the first pig 32-1 is
In the first embodiment, 1.0 MPa, and in the second embodiment, 0.4 MPa
a. Next, after supplying the above-mentioned hot purified water by an amount that the first pig 32-1 reaches half of the transfer pipe 10, 0.4MP
The steam of a is supplied to the second piping system, the second pig 32-2 is moved, and the warm purified water remaining in the transfer piping 10 is
Extrude with the first pig 32-1. And the first pig 3
When 2-1 reaches just before the valve 14, the valve 15
Is closed, the valve 14 is opened, and the valve 14 is closed when the first pig 32-1, the hot purified water, and the second pig 32-2 are collected by the collection unit through the valve 14.
The inside of the transfer pipe 10 was filled with water vapor, and the flow of the water vapor was stopped when all parts of the transfer pipe 10 reached 90 ° C. or higher. After sterilization, the valve 14 is opened again, hot purified water at about 80 ° C. is supplied to the third piping system, the third pig 32-3 is operated, and the drain remaining in the transfer piping 10 is collected through the valve 14 into the collecting section. And the inside of the transfer pipe 10 was subjected to finish washing. Then, the third pig 32-3 is connected to one of the transfer pipes 10.
/ 2, the temperature of the purified water supplied to the third piping system was stopped. Finally, the shampoo to be transferred next is supplied to the fourth piping system, the fourth pig 32-4 is moved, and the hot purified water remaining in the transfer piping 10 is pushed out through the valve 14 to the collection section, and the transfer piping is transferred. 10 was filled with shampoo to be transferred next. Then, when it is confirmed that the fourth pig 32-4 has been recovered in the recovery unit, the valve 14 is closed,
The valve 15 was opened, the flow path was switched to the transfer destination storage tank side, and the cleaning / sterilization operation was completed.

【００５０】［実施例３］ まず、バルブ１３，１５を開状態、バルブ１２，１４
を閉状態にし、洗浄・殺菌ユニット３の第１配管系へ約
８０℃の温精製水を供給し、第１ピグ３２−１を移動さ
せて、移送配管１０内の残液を移送先貯槽へと押し出す
と同時に、僅かに配管内壁に残った付着液を洗浄した。
この時、第１ピグ３２−１の操作圧力（ゲージ圧）は
０．４ＭＰａとした。そして、第１ピグ３２−１がバル
ブ１４の手前に達した時点で、バルブ１４を開状態、バ
ルブ１５を閉状態にし、回収部で排出液を回収し、ま
た、第１ピグ３２−１を回収したところで、温精製水の
供給を停止した。 次に第１ピグ３２−１を回収した後、濃度２ｐｐｍの
オゾン水（殺菌剤）を圧力（ゲージ圧）０.４ＭＰａ
で、第２配管系に供給し、第２ピグ３２−２を移動させ
て、移送配管１０内に残った温精製水を回収部へと押し
出した。ここで、上記オゾン水は移送配管１０の容積
の、１／２の量を導入した。 次に約８０℃の温精製水を第３配管系へ供給し、第３
ピグ３２−３を移動させて、第２ピグ３２−２およびオ
ゾン水を押し出すと共に、移送配管１０内を仕上洗浄し
た。そして、第３ピグ３２−３が移送配管１０の１／２
まで達した時点で、第３配管系へ供給する温精製水を停
止した。この時、第３ピグ３２−３の移動速度を調節し
て、移送配管１０内のどの部分においても殺菌剤が３０
分以上滞留するようにした。 最後に、次に移送するシャンプーを第４配管系へ供給
し、第４ピグ３２−４を移動させて、移送配管１０内に
残った第２ピグ３２−２，オゾン水，第３ピグ３２−
３，温精製水を、バルブ１４を通して回収部で回収し、
回収部において第４ピグ３２−４が回収されたことを確
認した時点で、バルブ１４を閉状態、バルブ１５を開状
態にして、流路を移送先貯槽側に切り替え、洗浄・殺菌
作業を終了した。Embodiment 3 First, the valves 13 and 15 are opened, and the valves 12 and 14 are opened.
Is closed, hot purified water of about 80 ° C. is supplied to the first piping system of the washing / sterilizing unit 3, the first pig 32-1 is moved, and the remaining liquid in the transfer piping 10 is transferred to the transfer destination storage tank. And at the same time, the adhering liquid slightly remaining on the inner wall of the pipe was washed.
At this time, the operating pressure (gauge pressure) of the first pig 32-1 was 0.4 MPa. Then, when the first pig 32-1 reaches the position before the valve 14, the valve 14 is opened, the valve 15 is closed, the drainage is collected by the collection unit, and the first pig 32-1 is set. Upon recovery, the supply of hot purified water was stopped. Next, after collecting the first pig 32-1, ozone water (bactericide) having a concentration of 2 ppm was applied at a pressure (gauge pressure) of 0.4 MPa.
Then, the hot water was supplied to the second pipe system, the second pig 32-2 was moved, and the hot purified water remaining in the transfer pipe 10 was pushed out to the recovery section. Here, the amount of the ozone water introduced was １ ／ of the volume of the transfer pipe 10. Next, hot purified water of about 80 ° C. is supplied to the third piping system,
By moving the pig 32-3, the second pig 32-2 and the ozone water were pushed out, and the inside of the transfer pipe 10 was finish-washed. And the third pig 32-3 is １ ／ of the transfer pipe 10.
At that time, the hot purified water supplied to the third piping system was stopped. At this time, the moving speed of the third pig 32-3 is adjusted, so that the disinfectant can
We stayed for more than a minute. Finally, the shampoo to be transferred next is supplied to the fourth piping system, and the fourth pig 32-4 is moved, so that the second pig 32-2, ozone water and third pig 32-32 remaining in the transfer piping 10 are transferred.
3, hot purified water is collected in the collecting section through the valve 14,
When it is confirmed that the fourth pig 32-4 has been recovered in the recovery unit, the valve 14 is closed and the valve 15 is opened, the flow path is switched to the transfer destination storage tank side, and the cleaning / sterilization operation is completed. did.

【００５１】以上に記載した比較例１，２および実施例
１〜３において、洗浄・殺菌作業に要した労力，時間，
排水量等を［表１］に示す。In Comparative Examples 1 and 2 and Examples 1 to 3 described above, the labor, time, and
The amount of drainage is shown in [Table 1].

【００５２】[0052]

【表１】 [Table 1]

【００５３】なお、［表１］において、廃水中のＴＯＤ
物質量は、（廃水量）×（平均ＴＯＤ濃度）により算出
した。In Table 1, TOD in wastewater
The substance amount was calculated by (amount of wastewater) × (average TOD concentration).

【００５４】［表１］に示したように、実施例１〜３
は、いずれも要員，所要時間，廃水量とも、比較例に比
べ大幅に削減することが分かる。また、実施例１と実施
例２とを比較した場合、第１ピグ３２−１の作動圧（背
圧）を高くすると、ピグの移動が速すぎて、移送配管中
に残存する液量が多くなり、廃水中のＴＯＤ物質が多く
なることがわかる。いずれにせよ、実施例の方法で洗浄
することによって精製水や殺菌水の量を大幅に節約で
き、コスト面に加え、廃水等の環境に対する面でも有効
であることが確認された。As shown in Table 1, Examples 1 to 3
It can be seen that in each case, the number of personnel, the required time, and the amount of wastewater are significantly reduced as compared with the comparative example. When the working pressure (back pressure) of the first pig 32-1 is increased when the first embodiment is compared with the second embodiment, the movement of the pig is too fast and the amount of liquid remaining in the transfer pipe is large. It turns out that TOD substance in wastewater increases. In any case, it has been confirmed that the amount of purified water and sterilized water can be greatly reduced by washing with the method of the embodiment, and that it is effective in terms of cost and environment such as wastewater.

【００５５】[0055]

【発明の効果】以上説明したように、本発明による液体
移送配管の洗浄殺菌方法およびそのシステムによれば、
複数のピグが各ピグに対応する洗浄流体または殺菌流体
によって予め定められた順序に従って、順次液体移送配
管へ送り込まれ、液体移送配管内に複数のピグが同時に
存在する状態を経て、当該液体移送配管から上記各ピ
グ、および、各ピグを送り込んだ洗浄流体および殺菌流
体を回収した時点で、上記液体移送配管内における移送
液体の回収、洗浄、殺菌、再洗浄が連続して行われるこ
とになる。As described above, according to the method and system for cleaning and sterilizing a liquid transfer pipe according to the present invention,
A plurality of pigs are sequentially fed into a liquid transfer pipe according to a predetermined order by a cleaning fluid or a sterilizing fluid corresponding to each pig, and a plurality of pigs are simultaneously present in the liquid transfer pipe. When the pigs and the cleaning fluid and the sterilizing fluid fed from the pigs are collected, the recovery, cleaning, sterilization, and re-cleaning of the transfer liquid in the liquid transfer pipe are performed continuously.

【００５６】この時、各ピグ間において、洗浄流体およ
び殺菌流体が液体移送配管内に隙間なく満たされ、なお
かつ、その状態のまま移送配管内を移動することになる
ので、口径の大きい液体移送配管であっても少量の洗浄
流体および殺菌流体によって、十分な洗浄・殺菌効果を
得ることができる。また、洗浄，殺菌後の廃水量を少な
くすることが可能となり、環境保全に有効となる。At this time, between the pigs, the cleaning fluid and the sterilizing fluid are filled in the liquid transfer pipe without any gap, and move in the transfer pipe in that state. Even with such a small amount of cleaning fluid and sterilizing fluid, a sufficient cleaning / sterilizing effect can be obtained. Further, the amount of waste water after washing and sterilization can be reduced, which is effective for environmental conservation.

【００５７】さらに、移送液体の回収、洗浄、殺菌、再
洗浄が連続して行われるので、本発明の洗浄殺菌方法を
実行後、直ちに次の液体を移送することが可能となり、
また、人手による作業が削減され、液体移送配管内の洗
浄および殺菌作業を効率よく行うことができる。Further, since the recovery, washing, sterilization and rewashing of the transfer liquid are continuously performed, the next liquid can be transferred immediately after the cleaning and sterilization method of the present invention is executed.
In addition, the number of manual operations can be reduced, and the cleaning and disinfection of the liquid transfer pipe can be performed efficiently.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 本発明の一実施形態における液体移送配管の
洗浄殺菌システムの概略的な構成を示す概略構成図であ
る。FIG. 1 is a schematic configuration diagram showing a schematic configuration of a system for cleaning and sterilizing a liquid transfer pipe according to an embodiment of the present invention.

【図２】 同洗浄殺菌システムによる洗浄・殺菌作業の
手順を示すフローチャートである。FIG. 2 is a flowchart showing a procedure of a cleaning / sterilizing operation by the cleaning / sterilizing system.

【図３】 同洗浄殺菌システムによる洗浄・殺菌作業の
中途段階において、移送配管内の状態を模式的に示した
図である。FIG. 3 is a diagram schematically showing a state in a transfer pipe in a halfway stage of a cleaning / sterilizing operation by the cleaning / sterilizing system.

【図４】 本発明の実施例および比較例により、洗浄・
殺菌作業を行う移送配管の構成を模式的に示した図であ
る。FIG. 4 shows the results of cleaning and cleaning according to examples and comparative examples of the present invention.
It is the figure which showed typically the structure of the transfer piping which performs a sterilization operation.

【符号の説明】[Explanation of symbols]

１，１０ 移送配管 ２ 移送元経路配管 ３ 洗浄・殺菌ユニット ４ 回収経路配管 ５ 移送先経路配管 ６−１，６−２ 三方弁 １１ ポンプ １２〜１３，３１ａ−１〜３１ａ−４，３１ｂ−１〜３
１ｂ−４ バルブ ３２−１〜３２−４ ピグ ３３−１〜３３−４ ピグ挿入部1, 10 transfer pipe 2 transfer source path pipe 3 washing / sterilization unit 4 recovery path pipe 5 transfer destination path pipe 6-1, 6-2 three-way valve 11 pump 12-13, 31a-1 to 31a-4, 31b-1 ~ 3
1b-4 Valve 32-1 to 32-4 Pig 33-1 to 33-4 Pig insertion part

───────────────────────────────────────────────────── フロントページの続き (72)発明者 赤松 卓 東京都墨田区本所一丁目３番７号 ライオ ン株式会社内 Ｆターム(参考） 3B116 AA13 AB51 BA08 BA24 BA37 CA01 CC01 CD41 3J071 AA11 BB02 BB14 CC01 DD36 FF16  ──────────────────────────────────────────────────の Continuation of the front page (72) Inventor Taku Akamatsu 1-3-7 Honjo, Sumida-ku, Tokyo F-term in Lion Corporation (reference) 3B116 AA13 AB51 BA08 BA24 BA37 CA01 CC01 CD41 3J071 AA11 BB02 BB14 CC01 DD36 FF16

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 液体を移送する液体移送配管により液体
を移送した後、複数のピグを、各ピグに対応して外部か
ら供給される所定の圧力が付与された洗浄流体および殺
菌流体によって、予め定められた順序で前記液体移送配
管へ順次送り込み、 前記液体移送配管内に複数のピグが同時に存在する状態
を経て、前記液体移送配管内における前記液体の回収、
洗浄、殺菌、再洗浄を順次連続して行うことを特徴とす
る液体移送配管の洗浄殺菌方法。After a liquid is transferred by a liquid transfer pipe for transferring a liquid, a plurality of pigs are preliminarily subjected to a cleaning fluid and a sterilizing fluid supplied with a predetermined pressure supplied from outside corresponding to each pig. Sequentially feeding into the liquid transfer pipe in a predetermined order, through a state in which a plurality of pigs are simultaneously present in the liquid transfer pipe, collecting the liquid in the liquid transfer pipe,
A cleaning and sterilizing method for a liquid transfer pipe, wherein cleaning, sterilization, and re-cleaning are sequentially and sequentially performed. 【請求項２】 液体を移送するための液体移送配管と、 外部から所定の圧力が付与されて供給される洗浄流体お
よび殺菌流体の各々に対応して設けられたピグを、各々
対応する流体によって前記液体移送配管へ送り込む洗浄
・殺菌ユニットとを備え、 前記液体移送配管により液体を移送した後、前記洗浄・
殺菌ユニットから、前記複数のピグを各々対応する流体
によって予め定められた順序で前記液体移送配管へ送り
込み、前記液体移送配管内に複数のピグが同時に存在す
る状態を経て、前記液体移送配管内における前記液体の
回収、洗浄、殺菌、再洗浄を順次連続して行うことを特
徴とする液体移送配管の洗浄殺菌システム。2. A liquid transfer pipe for transferring a liquid, and a pig provided for each of a cleaning fluid and a sterilization fluid supplied by applying a predetermined pressure from the outside, using a corresponding fluid. A washing / sterilizing unit for sending the liquid to the liquid transfer pipe, and after transferring the liquid by the liquid transfer pipe,
From the sterilization unit, the plurality of pigs are sent to the liquid transfer pipe in a predetermined order by the corresponding fluids, respectively, through a state in which the plurality of pigs are simultaneously present in the liquid transfer pipe, and in the liquid transfer pipe. A cleaning and sterilizing system for a liquid transfer pipe, wherein the collecting, cleaning, sterilizing, and re-cleaning of the liquid are performed sequentially and sequentially.