JPH0710378B2 - How to clean the inside of the water supply system - Google Patents
How to clean the inside of the water supply systemInfo
- Publication number
- JPH0710378B2 JPH0710378B2 JP2056171A JP5617190A JPH0710378B2 JP H0710378 B2 JPH0710378 B2 JP H0710378B2 JP 2056171 A JP2056171 A JP 2056171A JP 5617190 A JP5617190 A JP 5617190A JP H0710378 B2 JPH0710378 B2 JP H0710378B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cleaning liquid
- cleaning
- water
- water supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 45
- 238000004140 cleaning Methods 0.000 claims description 73
- 239000007788 liquid Substances 0.000 claims description 53
- 238000005086 pumping Methods 0.000 claims description 12
- 239000000084 colloidal system Substances 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 239000013505 freshwater Substances 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 239000003651 drinking water Substances 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000080 wetting agent Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SWZSKZZXXULJHU-UHFFFAOYSA-N 1-ethenoxyheptane Chemical group CCCCCCCOC=C SWZSKZZXXULJHU-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は飲料水の給水設備（給水本管，毎戸枝管，井戸
水，市・町村水道管内外）、及び温水暖房設備等の管内
面洗浄方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is for cleaning drinking water supply facilities (water supply mains, individual branch pipes, well water, municipal and municipal water supply pipes inside and outside), and pipe inner surface cleaning such as hot water heating facilities. Regarding the method.
（従来の技術とその問題点） 一般的に給水管系の洗浄は、高層集合住宅等における貯
水槽の清掃が法制化によって義務づけされているが、各
戸に配管されている給水用枝管はほとんど洗浄されてい
ないのが実状である。(Prior art and its problems) Generally, for cleaning the water supply pipe system, cleaning of water storage tanks in high-rise apartments etc. is obligatory due to legislation, but most of the water supply branch pipes are installed in each house. The fact is that it has not been washed.
仮りに、貯水槽の清掃時に各戸への枝管も同時に洗浄す
ることは勿論可能であるが、単に洗浄液を流すだけであ
るため管内面に付着したスケール，水垢，錆等は完全に
除去できないと共に、洗浄液として環境汚染に関係する
物質を含んだものが使用されるため、飲料水系は洗浄後
２〜３日使用出来ないといった問題点を有する。If, for example, the branch pipe to each door can be washed at the same time when cleaning the water tank, it is impossible to completely remove the scale, scale, rust, etc. adhering to the inner surface of the pipe because it simply flows the washing liquid. However, since a cleaning liquid containing a substance related to environmental pollution is used, the drinking water system cannot be used for 2 to 3 days after cleaning.
又、上述したように環境を汚染しやすい物質が含まれて
いるため、これらの洗浄液が排水され、海や川に流れ込
んだ場合は環境を汚染するこになり、従ってこれらの使
用に際しては事故対策，防御対策を考慮する必要がある
と共に、放棄，流失，操作，貯蔵に関しても特別な対策
を必要とするものである。In addition, as described above, since substances that easily pollute the environment are contained, if these cleaning liquids are drained and flow into the sea or river, the environment will be polluted. ， It is necessary to consider defensive measures, and special measures are also required for abandonment, spillage, operation and storage.
（発明が解決しようとする課題） 本発明は上述した如き従来の技術の有する問題点に鑑み
てなされたもので、その目的とする処は、給水本管は勿
論のこと各戸への給水枝管の内面も安全性を確保して確
実に洗浄することが出来ると共に、環境汚染の心配のな
い洗浄方法を提供することにある。(Problems to be Solved by the Invention) The present invention has been made in view of the problems of the conventional techniques as described above, and an object of the present invention is not only the main water supply pipe but also the water supply branch pipe for each house. It is to provide a cleaning method which can ensure the safety of the inner surface of the machine and can surely clean the environment, and which is free from environmental pollution.
（課題を解決するための手段） 上記目的を達成するために、本発明における洗浄方法
は、既設配管の制水弁側に洗浄液圧送装置を配管接続
し、配管の端末に設けられた各水栓を閉じ、その配管内
に、コロイド，分離剤，界面活性剤及び高湿潤剤を混入
した植物系洗浄液を所定の濃度に希釈して投入充満さ
せ、しかる後洗浄液圧送装置より空気圧が3.5kg/cm2以
下の圧縮空気を所定時間送り込んで洗浄液を管内で運動
させ、しかる後、水栓を開動して洗浄液を排水し、再に
清水を通してスケール，錆等を除去することを特徴とす
る。(Means for Solving the Problems) In order to achieve the above object, the cleaning method according to the present invention is such that a cleaning liquid pressure-feeding device is connected to the water control valve side of an existing pipe by piping, and each faucet provided at a terminal of the pipe. Close the inside of the pipe, dilute the plant-based cleaning liquid mixed with colloid, separating agent, surfactant and high wetting agent to a specified concentration and fill it. Then, the air pressure from the cleaning liquid pumping device is 3.5 kg / cm. It is characterized in that compressed air of 2 or less is fed for a predetermined time to move the cleaning liquid in the pipe, and then the water faucet is opened to drain the cleaning liquid, and fresh water is passed again to remove scale, rust and the like.
既設配管に接続する洗浄液圧送装置としては、一方に洗
浄液投入口を、他方に圧縮空気の送り込み口を有し、洗
浄液投入口には大型エンジンポンプが接続され、圧縮空
気の送り込み口には空気圧縮機が接続されたものであ
る。The cleaning liquid pumping device connected to the existing pipe has a cleaning liquid inlet on one side and a compressed air inlet on the other side, a large engine pump is connected to the cleaning liquid inlet, and an air compression port is used for the compressed air inlet. Machine is connected.
又、上記の洗浄液圧送装置の配管は既設配管に接続した
ままとし、以後の洗浄操作に使用し得るようにする。Further, the pipe of the cleaning liquid pressure-feeding device is kept connected to the existing pipe so that it can be used for the subsequent cleaning operation.
洗浄液の使用濃度は、洗浄しようとする配管系によって
異なり、一般的には1:30〜1:40位の希釈率とし、汚れが
著しい場合は1:20位の希釈率とする。上記希釈率の洗浄
液をエンジンポンプによって配管内に投入充満させた後
の圧縮空気の送り込みは、連続と断続の組合せとし、時
間は２〜３時間位とする。The concentration of the cleaning solution used varies depending on the piping system to be cleaned, and is generally 1:30 to 1:40 or more and 1:20 if the soil is extremely contaminated. The injection of compressed air after the cleaning liquid having the above-mentioned dilution ratio is filled into the pipe by the engine pump is a combination of continuous and intermittent, and the time is about 2 to 3 hours.
（作用） 上記手段によれば、既設配管に圧送された洗浄液は圧縮
空気の送り込みによって管内をくまなく運動し、しかも
洗浄液に混入されたコロイド（反微視的粒子）は電荷作
用と空気の作用によって管内を休むことなく運動し続
け、それによって汚れの固体粒子は個々の粒子に遊離崩
壊され、個々の粒子は互いに永続的に反発し合って再び
付着したり、凝結したりすることが出来なくなり、管内
面のスケール，水垢，錆等が除去される。(Operation) According to the above means, the cleaning liquid pressure-fed to the existing pipe moves through the pipe by sending compressed air, and the colloid (anti-microscopic particles) mixed in the cleaning liquid acts as a charge and an air. Keeps moving in the tube without stopping, so that the solid particles of dirt are disintegrated into individual particles, and the individual particles cannot repel each other permanently and reattach or condense. , Scale, scale, rust, etc. on the inner surface of the pipe are removed.
（発明の効果） 本発明の給水管系の管内洗浄方法は以上の如き方法とし
たものであるから、短時間で面倒な作業をすることなく
給水管系の洗浄を行なうことが出来る。そして、その洗
浄に使用する洗浄液が純植物性洗浄液であるため、飲料
水系の洗浄後でもすぐに使用可能となり、従来方法に比
較して大幅に断水時間（日数）を短縮することが出来
る。(Effect of the Invention) Since the method for cleaning the inside of the water supply pipe system of the present invention is the method as described above, the water supply pipe system can be cleaned in a short time without any troublesome work. Since the cleaning liquid used for the cleaning is a pure vegetable cleaning liquid, it can be used immediately even after cleaning the drinking water system, and the water cutoff time (days) can be greatly shortened as compared with the conventional method.
又、植物性洗浄液であるため、洗浄後の汚れた洗浄液を
排水しても環境汚染の必要はない。従って洗浄操作に際
して特別な事故対策や防御対策を講じるといった必要は
なく、手軽に使用することが出来る。Further, since it is a vegetable cleaning liquid, environmental pollution is not required even if the dirty cleaning liquid after cleaning is drained. Therefore, there is no need to take any special measures against accidents or protective measures during the cleaning operation, and the device can be used easily.
更に、既設配管に接続設置した配管系（例えば分水栓）
はそのまま設備しておくことにより、以後の洗浄作業時
は必要機器を接続することで簡単に洗浄が可能となり、
維持管理に有益なものである。Furthermore, a piping system connected to the existing piping (for example, a water faucet)
By installing the equipment as it is, it becomes possible to easily wash it by connecting the necessary equipment during the subsequent washing work.
It is useful for maintenance.
（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Hereinafter, the Example of this invention is described based on drawing.
第１図は上水道，広域水道，簡易水道施設等の配水管，
送水管の洗浄液投入の配管装置を示し、図中１は既設の
配管路Ａ中に設けられた制水弁装置で、その制水弁側
（給水流入側）に洗浄液を投入（注入）するための配管
２が接続されている。Figure 1 shows water supply pipes, wide area water pipes, water pipes for simple water supply facilities,
A piping device for introducing the cleaning liquid into the water supply pipe is shown. In the figure, 1 is a water control valve device provided in the existing pipe line A, for injecting (injecting) the cleaning liquid into the water control valve side (feed water inflow side). The pipe 2 of is connected.
その配管２はフランジ付短管3,ソケット4,沈みプラグ5,
チーズ6,短管7,カップリングジョイント８等で構成さ
れ、カップリングジョイント８には洗浄液を圧送するエ
ンジンポンプ（図示省略）が接続されるようにしてあ
る。The pipe 2 is a short pipe with a flange 3, a socket 4, a sunken plug 5,
It is composed of cheese 6, a short pipe 7, a coupling joint 8 and the like, and an engine pump (not shown) for pumping the cleaning liquid is connected to the coupling joint 8.
そして、エンジンポンプによって既設の配管内に洗浄液
を注入した後は、上記配管２を外し、既設の管路Ａの継
手９と継手９′を締結する。Then, after the cleaning liquid is injected into the existing pipe by the engine pump, the pipe 2 is removed, and the joint 9 and the joint 9'of the existing pipeline A are fastened.
又、配管路Ａ中に接続する配管２は全てライニング鋼
管，継手を使用し、且つ消毒をして施工実施するものと
する。In addition, all the pipes 2 connected to the pipe line A are made of lining steel pipes and joints, and are sterilized for construction.
第２図は地中に埋設されている水道本管の洗浄に設備す
る配管を示し、図中、10は既設の管路中に設けられた制
水弁装置で、その制水弁装置10より上流側にサドル付分
水栓11を取付け、その分水栓11に、一方に洗浄液圧送口
12を設け、他方にコンプレッサーによる圧縮空気の圧送
口13を設けたＴ字形の洗浄液圧送装置Ｂが接続されてい
る。Fig. 2 shows the pipes for cleaning the water mains buried in the ground. In the figure, 10 is the water control valve device installed in the existing pipeline, and the water control valve device 10 Install a saddle-equipped diversion valve 11 on the upstream side, and attach the washing fluid pressure feed port to the diversion valve 11 on one side.
A T-shaped cleaning liquid pressure-feeding device B, which is provided with 12 and has a pressure-feeding port 13 for compressed air by a compressor, is connected to the other side.
そして、上記の洗浄液圧送装置Ｂにおける圧縮空気の圧
送口13の管路途中には圧力計14,メートルコック15,O型
サイホン16が接続されている。尚、上記洗浄液圧送装置
Ｂは洗浄完了後、維持管理用として分水栓を閉じて該分
水栓より取り外し、分水栓の位置は埋設後でも確認出来
るように位置表示の標識を設ける。A pressure gauge 14, a meter cock 15, and an O-type siphon 16 are connected in the middle of the pipeline of the compressed air pressure feed port 13 of the cleaning liquid pressure feed device B. In addition, after the cleaning liquid pumping device B has been cleaned, the water faucet is closed and removed from the water faucet for maintenance purposes, and a position indicator is provided so that the position of the water faucet can be confirmed even after being buried.
第３図は洗浄液を圧送注入するエンジンポンプの配管系
を示し、エンジンポンプ17の吸込口18とオーバーフロー
ホース19が洗浄液槽20に挿入され、吐出ホース21が圧送
口12に接続されるようにしてあり、吐出ホースと圧送口
との間の管路にはボールバルブ22,圧力計23,メートルコ
ック24,O型サイホン25等が設けられている。FIG. 3 shows a piping system of an engine pump for pumping and injecting the cleaning liquid. The suction port 18 and the overflow hose 19 of the engine pump 17 are inserted into the cleaning liquid tank 20, and the discharge hose 21 is connected to the pressure feeding port 12. In addition, a ball valve 22, a pressure gauge 23, a metric cock 24, an O-type siphon 25, etc. are provided in the conduit between the discharge hose and the pressure feed port.
第４図はコンプレッサー26による圧縮空気の圧送配管を
示し、コンプレッサー26から圧縮空気の圧送口に至る途
中の管路にはバイパス路27が形成され、且つ本管路の途
中に減圧弁28が設けられている。FIG. 4 shows a compressed air pressure-feeding pipe by the compressor 26. A bypass line 27 is formed in a pipe line from the compressor 26 to the compressed air pressure feed port, and a pressure reducing valve 28 is provided in the middle of the main pipe line. Has been.
第５図は建物内外部の飲料水管の洗浄を行なう場合の配
管システムを示し、高架水槽側の流出給水管（既設管）
29にサドル付分水栓30を取り付け、その分水栓30に第２
図で示したと同様の洗浄液圧送装置Ｂ′を配管接続す
る。Figure 5 shows the piping system for cleaning the drinking water pipe inside and outside the building, and the outflow water supply pipe (existing pipe) on the elevated water tank side.
Attach the water faucet 30 with a saddle to the 29, and attach the water faucet 30
A cleaning liquid pressure-feeding device B ′ similar to that shown in the drawing is connected by piping.
上記の洗浄液圧送装置Ｂ′は、一方に洗浄液投入口31,
ボールバルブ32等が設けられ、他方にはコンプレッサー
に接続された圧送ホースとの接続ジョイント33,ボール
バルブ34等が設けられ、洗浄液の注入時はボールバルブ
34を閉じ、洗浄液の注入後はボールバルブ32を閉じ、空
気圧送口側のボールバルブ34を開いてコンプレッサーの
作動で圧縮空気を送り込むものである。The above-mentioned cleaning liquid pressure-feeding device B ′ has a cleaning liquid charging port 31,
A ball valve 32 and the like are provided, and the other side is provided with a connection joint 33 for connecting a pressure-feeding hose connected to the compressor, a ball valve 34, etc.
34 is closed, and after the cleaning liquid is injected, the ball valve 32 is closed, the ball valve 34 on the air pressure sending port side is opened, and compressed air is sent by the operation of the compressor.
第６図及び第７図は温水暖房装置の管路内洗浄を示す配
管略図で、第６図の一般温水配管及び第７図の系統別温
水配管とも第３図で示した洗浄液圧送装置を配管35,36
に接続し、循環ポンプを同時に作動することにより洗浄
液を循環させて管内を洗浄することができる。FIGS. 6 and 7 are schematic piping diagrams showing washing in the pipes of the hot water heating apparatus. Both the general hot water piping of FIG. 6 and the system-specific hot water piping of FIG. 7 are connected to the cleaning liquid pumping apparatus shown in FIG. 35,36
It is possible to wash the inside of the pipe by circulating the washing liquid by connecting to the above and operating the circulation pump at the same time.
第８図は冷却塔（クーリングタワー）及び冷却水管の洗
浄の場合を示し、冷却塔37から冷凍機38に至る管路39の
途中に、第５図で示したと同様の洗浄液圧送装置を配管
接続し、且つ冷凍機38から冷却塔37に至る管路40の冷却
塔37に入るゲートバルブ44の手前位置に、排水管41、ボ
ールバルブ42,43を新設設置して、洗浄液圧送装置より
洗浄液を注入後、バルブの開，閉を切り替えてコンプレ
ッサーによって圧縮空気を送り込んで洗浄を行なう。FIG. 8 shows the case of cleaning the cooling tower (cooling tower) and the cooling water pipe. A cleaning liquid pressure-feeding device similar to that shown in FIG. 5 is connected in the middle of the pipe 39 from the cooling tower 37 to the refrigerator 38. In addition, a drain pipe 41 and ball valves 42 and 43 are newly installed at a position before the gate valve 44 that enters the cooling tower 37 of the pipe 40 from the refrigerator 38 to the cooling tower 37, and the cleaning liquid is injected from the cleaning liquid pumping device. After that, the valve is switched between open and closed, and compressed air is sent by the compressor for cleaning.
上記した各種配管系の洗浄で使用する洗浄液は、コロイ
ド，分離剤，界面活性剤及び高湿潤剤が均等に混入され
た純植物性液体洗浄液で、コロイド（反微視的粒子）の
もつ働きによって洗浄力が発揮される。その純植物性液
体洗浄液の成分の一例を示すと、コロイドはトールオイ
ル脂肪酸、分離剤としてはキレート剤エチレンジアミン
４酢酸、界面活性剤としては非イオン界面活性剤のヘプ
タオキシエチレンｎ−ドデンエーテル、高湿潤剤として
はプロピレングリコールが挙げられる。The cleaning liquid used for cleaning the above various piping systems is a pure vegetable liquid cleaning liquid in which colloid, a separating agent, a surfactant and a high wetting agent are evenly mixed, and the function of the colloid (anti-microscopic particles) Detergency is exerted. An example of the components of the pure vegetable liquid washing solution is as follows: colloid is tall oil fatty acid, separating agent is chelating agent ethylenediamine tetraacetic acid, surfactant is nonionic surfactant heptaoxyethylene n-doden ether, and Wetting agents include propylene glycol.
即ち、コロイドは、電荷を持ちお互いに止むことのない
自由運動で反発しあいながら飛び回っており、汚れの固
体粒子は磁場における磁力の作用でコロイドに引き付け
られる。コロイドのけん引力が、汚れの固体粒子が互い
に支えている力、もしくは表面に引き付けられている力
より大きくなった場合、汚れの固体粒子は個々の粒子に
遊離させられて再び固着する力を失ってしまい、所謂、
汚れがコロイドに包み込まれた状態とる。That is, the colloids fly around while repulsing each other in free movements that have electric charges and do not stop each other, and the solid particles of dirt are attracted to the colloids by the action of the magnetic force in the magnetic field. When the traction force of the colloid becomes greater than the force that the dirt solid particles hold on to each other or is attracted to the surface, the dirt solid particles loosen up into individual particles and lose their re-sticking power. So-called,
Take the state that the dirt is wrapped in colloid.
以上の如きコロイドの作用は圧縮空気の送り込みによっ
て更に活発化され、洗浄効果が向上される。The action of the colloid as described above is further activated by sending in compressed air, and the cleaning effect is improved.
又、洗浄液を配管内に注入後、圧縮空気を送り込むが、
その圧送時間は約２時間位を連続運転し、それ以降は５
分毎に空気を抜き、断続圧送を行なう。尚、空気圧は最
大でも、3.5kg/cm2とし、連続運転時は3.0kg/cm2の空気
圧とする。Also, after injecting the cleaning liquid into the pipe, compressed air is sent,
The pumping time is about 2 hours of continuous operation, and thereafter 5
Air is evacuated every minute and intermittent pressure feeding is performed. The maximum air pressure is 3.5 kg / cm 2, and the air pressure is 3.0 kg / cm 2 during continuous operation.
尚、圧縮空気を送り込んで洗浄を行なった後は、配管の
端末に設けられた水栓を開いて汚染洗浄液を排水し、し
かる、水を流して詰りがないことを確認すると同時に飲
料水系の場合は洗浄後の水を取り、pH値等を測定するも
のとする。After cleaning by feeding compressed air, open the faucet provided at the end of the pipe to drain the contaminated cleaning liquid, and then pour water to confirm that there is no clogging and at the same time for drinking water. Shall take water after washing and measure pH value etc.
図面は本発明の実施例を示し、第１図は上水道施設等の
配水管・送水管の洗浄液投入（注入）の配管装置を示す
一部切欠正面図、第２図は地中に埋設された水道本管に
設備する配管装置の正面図、第３図は大型エンジンポン
プによる洗浄液の圧送装置を示す斜視図、第４図は圧縮
空気の圧送装置を示す概略図、第５図は建物内外の飲料
水管に接続する洗浄液圧送装置の概略図、第６図及び第
７図は温水暖房管の洗浄に設備した洗浄液圧送装置の接
続概略図、第８図は冷却塔及び冷却水管の洗浄に設備す
る配管装置の概略図である。 図中、 A:既設の配管路 B,B′：洗浄液圧送装置The drawing shows an embodiment of the present invention, and FIG. 1 is a partially cutaway front view showing a piping device for introducing (injecting) a cleaning liquid into a distribution pipe or a water pipe of a water supply facility or the like, and FIG. 2 is buried in the ground. FIG. 3 is a front view of a piping device installed in a water main, FIG. 3 is a perspective view showing a pumping device for cleaning liquid by a large engine pump, FIG. 4 is a schematic view showing a pumping device for compressed air, and FIG. 6 is a schematic view of a cleaning liquid pressure-feeding device connected to a drinking water pipe, FIGS. 6 and 7 are schematic diagrams of connection of a cleaning liquid pressure-feeding device provided for cleaning a hot water heating pipe, and FIG. 8 is provided for cleaning a cooling tower and a cooling water pipe. It is a schematic diagram of a piping device. In the figure, A: Existing pipeline B, B ′: Cleaning liquid pumping device
Claims (1)
管接続し、配管の端末に設けられた各水栓を閉じ、その
配管内に、コロイド，分解剤，界面活性剤及び高湿潤剤
を混入した植物系洗浄液を所定の濃度に希釈して投入充
満させ、しかる後洗浄液圧送装置より空気圧が3.5kg/cm
2以下の圧縮空気を所定時間送り込んで洗浄液を管内で
運動させ、しかる後、水栓を開動して洗浄液を排水し、
再に清水を通してスケール，錆等を除去することを特徴
とする給水管系の管内洗浄方法。1. A washing liquid pressure-feeding device is connected to the water control valve side of an existing pipe, each faucet provided at the end of the pipe is closed, and a colloid, a decomposing agent, a surfactant and a high wetting amount are provided in the pipe. The plant-based cleaning liquid mixed with the agent is diluted to a predetermined concentration and charged to fill it, and then the air pressure is 3.5 kg / cm from the cleaning liquid pumping device.
Compressed air of 2 or less is sent for a predetermined time to move the cleaning liquid in the pipe, and then the faucet is opened to drain the cleaning liquid,
A method for cleaning the inside of a water supply pipe system, which is characterized by removing scale, rust, etc., by passing fresh water again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2056171A JPH0710378B2 (en) | 1990-03-06 | 1990-03-06 | How to clean the inside of the water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2056171A JPH0710378B2 (en) | 1990-03-06 | 1990-03-06 | How to clean the inside of the water supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03258382A JPH03258382A (en) | 1991-11-18 |
| JPH0710378B2 true JPH0710378B2 (en) | 1995-02-08 |
Family
ID=13019656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2056171A Expired - Lifetime JPH0710378B2 (en) | 1990-03-06 | 1990-03-06 | How to clean the inside of the water supply system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710378B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101321054B1 (en) * | 2013-03-14 | 2013-10-23 | 강선욱 | One pot chemical cleaning agent and chemical cleaning method using the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6169896A (en) * | 1984-09-14 | 1986-04-10 | ア−ルデイ−興産株式会社 | Composite powdery detergent and its production |
| JPS62117689A (en) * | 1985-11-18 | 1987-05-29 | 株式会社 トムコ | Washer for cooling water pipe |
| JPH0739684B2 (en) * | 1988-01-14 | 1995-05-01 | 株式会社日立ビルシステムサービス | How to clean the inside of the vertical main pipe |
| JPH01182424A (en) * | 1988-01-14 | 1989-07-20 | Hitachi Elevator Eng & Service Co Ltd | Method of flushing riser pipe |
| JPH03288582A (en) * | 1990-04-02 | 1991-12-18 | Kansai Paint Co Ltd | Method for washing liquid flow route in piping |
| JP2979197B2 (en) * | 1990-09-21 | 1999-11-15 | 雅枝 毛利 | Production method of vegetable detergent using vegetable extract as main raw material |
-
1990
- 1990-03-06 JP JP2056171A patent/JPH0710378B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101321054B1 (en) * | 2013-03-14 | 2013-10-23 | 강선욱 | One pot chemical cleaning agent and chemical cleaning method using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03258382A (en) | 1991-11-18 |
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