JP2002219498A - Method for cleaning water reservoir and apparatus therefor - Google Patents
Method for cleaning water reservoir and apparatus thereforInfo
- Publication number
- JP2002219498A JP2002219498A JP2001019084A JP2001019084A JP2002219498A JP 2002219498 A JP2002219498 A JP 2002219498A JP 2001019084 A JP2001019084 A JP 2001019084A JP 2001019084 A JP2001019084 A JP 2001019084A JP 2002219498 A JP2002219498 A JP 2002219498A
- Authority
- JP
- Japan
- Prior art keywords
- water
- reservoir
- sediment
- cleaning
- water reservoir
- 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.)
- Granted
Links
Landscapes
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は水貯留池の清掃方法
及び装置に係り、特に、上水道施設における浄水池や配
水池等のように浄化された水を貯留するための水貯留池
の清掃方法及び装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for cleaning a water reservoir, and more particularly, to a method for cleaning a water reservoir for storing purified water such as a water purification reservoir or a distribution reservoir in a water supply facility. And an apparatus.
【０００２】[0002]
【従来の技術】上水道施設においては、河川水等の原水
を施設内に導き、水処理を行なって飲用が可能な水質基
準を満たすように浄化して浄水としたのち、利用者に配
水している。この上水道施設では、水処理プロセスを経
た浄水は、浄水池や配水池等の池（槽）に貯留される。
この浄水池や配水池等の池（槽）の底部には、長時間使
用している間に沈殿物が堆積していく。そのため、上水
道施設では、池（槽）の底部に堆積する沈殿物を定期的
に除去（洗浄）することが必要である。この場合、沈殿
物の除去には、池の水を抜き取った後に人力で吸引装
置（バキュームクリーナ）を用いて除去する方法と、
潜水して人力で吸引装置を用いて除去する方法とが採用
されており、いずれの方法も主として人力に頼ってい
た。2. Description of the Related Art In a water supply facility, raw water such as river water is introduced into the facility, treated to purify water to meet drinking water quality standards, and purified, and then distributed to users. I have. In this water supply facility, purified water that has passed through the water treatment process is stored in a pond (tank) such as a water purification reservoir or a distribution reservoir.
Sediment accumulates at the bottom of a pond (tank) such as a water purification reservoir or a distribution reservoir over a long period of use. Therefore, in the water supply facility, it is necessary to periodically remove (wash) the sediment deposited on the bottom of the pond (tank). In this case, a method of removing the sediment using a suction device (vacuum cleaner) manually after draining the pond,
A method of diving and removing manually using a suction device has been adopted, and both methods mainly rely on human power.
【０００３】最近、上記人力による方法に代わって、ロ
ボットにより沈殿物を除去する清掃方法が開発されてき
ており、沈殿物の吸引作業はロボットにより行われるよ
うになってきている。上述の主として人力により清掃す
る方法およびロボットにより清掃する方法のいずれの方
法においても、吸引した水と沈殿物は、そのまま排水と
するか、又は浄水場の既設の装置に導いて処理した後に
廃棄している。そして、この従来の清掃方法において
は、配水を止めるか、又は二系統の池がある場合には片
側の池ごとに清掃するようにしている。この場合、具体
的な方法としては、先ず、池の水位を運転可能な程度ま
で配水した後、水貯留池の運転を停止する。その後、残
水を排出して池を空にして清掃するか、該水貯留池に潜
水して人力で吸引装置を用いて清掃した後、汚れた池内
の水を全て排出する。そして、清掃後にもう一度清浄な
水を注入して、これを再度排出することで池内の清掃に
よる汚れを取り除き、清浄にしてから運用に帰するよう
にしている。[0003] In recent years, a cleaning method for removing sediment by a robot has been developed in place of the above manual method, and the work of sucking the sediment has been performed by a robot. In both of the above-mentioned methods of cleaning mainly by human power and the method of cleaning by robot, the sucked water and sediment are either discharged as they are, or are guided to the existing equipment at the water treatment plant, and then disposed of. ing. In this conventional cleaning method, water distribution is stopped, or when there are two systems of ponds, cleaning is performed for each pond on one side. In this case, as a specific method, first, the water level in the pond is distributed to such an extent that it can be operated, and then the operation of the water reservoir is stopped. Then, the remaining water is discharged and the pond is emptied and cleaned, or diving into the water reservoir and manually cleaning it with a suction device, and then discharging all the water in the dirty pond. Then, after the cleaning, clean water is injected once again and discharged again to remove dirt due to cleaning of the pond and to return to operation after cleaning.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上述し
た従来の清掃方法においては、処理水と除去した沈殿物
は全て廃棄物として処理されている。また清掃のために
池を一時期使用停止にしなければならず、せっかく浄化
した水も排水するという無駄が生じている。However, in the conventional cleaning method described above, all of the treated water and the removed sediment are treated as waste. In addition, the pond has to be shut down for a period of time for cleaning, which wastes purified water.
【０００５】本発明は、上述の事情に鑑みなされたもの
で、上水道施設の浄水池や配水池等の水貯留池の底部に
堆積した沈殿物を吸引した後に、この沈殿物から水を分
離して浄水として元の池に返送するか、他の池に供給す
ることにより、水貯留池内の貴重な水を捨てなくて良く
なり、かつ水貯留池が稼働している状態で清掃作業が可
能な水貯留池の清掃方法及び装置を提供することを目的
とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and a method for separating water from the sediment after sucking the sediment deposited on the bottom of a water reservoir such as a water purification tank or a distribution reservoir of a water supply facility. By returning the water to the original pond as a purified water or supplying it to another pond, it is not necessary to discard valuable water in the water reservoir, and cleaning work can be performed while the water reservoir is operating An object of the present invention is to provide a method and an apparatus for cleaning a water reservoir.
【０００６】[0006]
【課題を解決するための手段】上述した目的を達成する
ため、本発明の水貯留池の清掃方法は、水貯留池から沈
殿物を除去する清掃方法において、水貯留池の底部に堆
積した沈殿物を吸引し、吸引された沈殿物から水を分離
し、分離された水を前記水貯留池に返送するか又は他の
池に供給することを特徴とするものである。In order to achieve the above object, a method for cleaning a water reservoir according to the present invention is directed to a cleaning method for removing sediment from a water reservoir, the method comprising: It is characterized in that a substance is sucked, water is separated from the sucked sediment, and the separated water is returned to the water reservoir or supplied to another pond.
【０００７】本発明の水貯留池の清掃装置は、水貯留池
から沈殿物を除去する清掃装置において、水貯留池の底
部に堆積した沈殿物を吸引する吸引装置と、吸引された
沈殿物から水を分離する分離装置と、分離された水を前
記水貯留池に返送するか又は他の池に供給する移送ライ
ンとを備えたことを特徴とするものである。A cleaning device for a water reservoir according to the present invention is a cleaning device for removing sediment from a water reservoir, wherein the suction device suctions a sediment deposited on the bottom of the water reservoir, and a cleaning device for removing the sediment from the sucked sediment. It is characterized by comprising a separation device for separating water, and a transfer line for returning separated water to the water reservoir or supplying the separated water to another pond.
【０００８】本発明によれば、水貯留池の底部を自走す
るロボット等からなる吸引装置によって池の底部に堆積
した沈殿物を吸引し、吸引された沈殿物は分離装置に送
り込まれる。該分離装置で、送り込まれた沈殿物をろ過
することにより、浄水と汚泥とに分離する。分離された
浄水は、元の池に返還されるか、又は他の池に供給され
る。即ち、本発明によれば、沈殿物から分離処理した浄
水が元の池の水と同程度の水質を確保できるので、従
来、排水していた水をそのまま元の池に返還でき又は他
の池に供給でき、貴重な水を捨てなくてもよいことにな
る。また、配水池や浄水池等の水貯留池は稼働状態で清
掃作業が可能であるので、いつでも清掃を実施でき、配
水運営上に不都合は生じなくなる。According to the present invention, the sediment deposited on the bottom of the water reservoir is sucked by a suction device including a robot or the like that runs on the bottom of the water reservoir, and the sucked sediment is sent to the separation device. The separated sediment is separated into purified water and sludge by filtration. The separated purified water is returned to the original pond or supplied to another pond. That is, according to the present invention, the purified water separated from the sediment can ensure the same water quality as that of the original pond, so that conventionally drained water can be returned to the original pond as it is or another pond can be used. To supply valuable water without having to discard valuable water. In addition, since a water reservoir such as a water distribution reservoir or a water purification reservoir can be cleaned while it is operating, the water reservoir can be cleaned at any time, and there is no inconvenience in water distribution operation.
【０００９】上記分離装置は、逆洗式ろ過器からなり、
例えば、逆洗可能なプリーツ型フィルタからなってい
る。このプリーツ型フィルタは、ろ過水の水質が浄水の
ものと同等の水質まで処理できる性能の膜を備えてい
る。そして、このプリーツ型フィルタは少量の水又は空
気等の気体によって逆洗できる構造になっている。フィ
ルタの逆洗ができることによって、膜の寿命が延びて膜
の消費コストが低減できるとともに二次廃棄物の発生量
を低減できる。この逆洗式ろ過器には中空糸型フィルタ
もあるが、この中空糸型フィルタを使用してもよい。[0009] The separation device comprises a backwash type filter,
For example, it is composed of a backwashable pleated filter. This pleated filter is provided with a membrane capable of treating filtered water to the same quality as that of purified water. The pleated filter has a structure that can be backwashed with a small amount of water or a gas such as air. The backwashing of the filter can extend the life of the membrane, reduce the cost of membrane consumption, and reduce the amount of secondary waste generated. Although there is a hollow fiber type filter in this backwash type filter, this hollow fiber type filter may be used.
【００１０】逆洗は、逆洗水専用のポンプを用いても、
送水ポンプを用いてもよく、逆洗水は排水口から排出し
て分離汚泥と同様に汚泥濃縮器により処理する。逆洗に
空気を用いる場合は、例えば、オイルフリー（オイルを
除去した）のコンプレッサ圧縮空気を用いるが、その他
に高圧ボンベに詰めた圧縮ガス（窒素，酸素，空気等）
を用いてもよい。In the case of backwashing, even if a pump dedicated to backwash water is used,
A water pump may be used, and the backwash water is discharged from a drain port and treated by a sludge concentrator similarly to the separated sludge. When air is used for backwashing, for example, oil-free (oil-removed) compressor compressed air is used, but compressed gas (nitrogen, oxygen, air, etc.) packed in a high-pressure cylinder is also used.
May be used.
【００１１】フィルタの性能は、ろ過処理水が、再度浄
水池又は配水池等の水貯留池に返送されることに鑑み、
水質を確保するためにも１．０μｍ程度のろ過性能を有
することが好ましい。沈殿物が多量に存在する場合に
は、サイクローン分離機などの荒取り用前置分離機で処
理した後に、前記プリーツ型フィルタ等のろ過器で処理
を行うなどの多段階処理方法を採用することが好まし
い。[0011] The performance of the filter is considered in view of the fact that the filtered water is returned to a water reservoir such as a water purification reservoir or a distribution reservoir.
In order to ensure water quality, it is preferable to have a filtration performance of about 1.0 μm. When a large amount of sediment is present, a multi-stage treatment method such as treating with a pre-separator for roughing such as a cyclone separator and then treating with a filter such as the pleated filter is employed. Is preferred.
【００１２】分離水の水質検査には、全量検査法と抜き
取り検査法とがあるが、いずれでも良く、その測定機器
を清掃装置に付設させておくと良い。ろ過処理水の水質
が所定値以下の場合は、これを水貯留池に返送すること
なく排水する必要もあるため、分離装置の排水口側に経
路切り替え可能な排水経路を設けておくことが好まし
い。分離装置により分離された汚泥は、別途、汚泥濃縮
器により濃縮固形化処理される。尚、この汚泥濃縮器は
清掃装置に付設させてもよく、また、浄水場の既設の装
置を利用してもよい。The quality of the separated water can be inspected by a total amount inspection method or a sampling inspection method. Either one may be used, and it is preferable that the measuring device is attached to the cleaning device. When the quality of the filtered water is equal to or lower than a predetermined value, it is necessary to drain the water without returning it to the water storage tank. Therefore, it is preferable to provide a drain switchable on the drain outlet side of the separation device. . The sludge separated by the separation device is separately concentrated and solidified by a sludge concentrator. In addition, this sludge concentrator may be attached to a cleaning device, or an existing device of a water purification plant may be used.
【００１３】[0013]
【発明の実施の形態】以下、本発明に係る水貯留池の清
掃方法及び装置の一実施形態を図１を参照して説明す
る。図１は本発明の水貯留池の清掃装置を備えた上水道
施設を示す概略図である。図１に示すように、浄水池又
は配水池からなる水貯留池１には吸引装置２が配置され
ている。吸引装置２は池内を自走しつつ池底部に堆積し
た沈殿物を吸引する水中ロボットにより構成されてい
る。吸引装置２は沈殿物移送ホース７によって分離装置
３に接続されている。分離装置３は水又は空気等の気体
によって逆洗可能なプリーツ型フィルタから構成されて
おり、吸引装置２から供給された沈殿物をろ過して浄水
と汚泥に分離する。分離装置３によりろ過された水は、
水貯留池１内に貯留された浄水と同等の水質を有してい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a method and an apparatus for cleaning a water reservoir according to the present invention will be described below with reference to FIG. FIG. 1 is a schematic diagram showing a water supply facility provided with a water reservoir cleaning device of the present invention. As shown in FIG. 1, a suction device 2 is disposed in a water reservoir 1 composed of a water purification reservoir or a distribution reservoir. The suction device 2 is constituted by an underwater robot that suctions the sediment deposited on the bottom of the pond while running in the pond. The suction device 2 is connected to the separation device 3 by a sediment transfer hose 7. The separation device 3 is constituted by a pleated filter that can be backwashed with a gas such as water or air, and separates the sediment supplied from the suction device 2 into purified water and sludge. The water filtered by the separation device 3 is
It has the same water quality as the purified water stored in the water reservoir 1.
【００１４】前記分離装置３は移送ホースからなる移送
ライン９によって水質測定器５に接続されており、分離
装置３により分離された浄水は水質測定器５により、そ
の水質が検査されるようになっている。分離装置３は移
送ホースからなる汚泥ライン１４によって汚泥濃縮器８
に接続されており、分離装置３により分離された汚泥は
汚泥濃縮器８により濃縮されるようになっている。そし
て、水質測定器５を通過した浄水は、移送ライン９を介
して水貯留池１に返送されるか、又は水質によって、切
替バルブ１３が作動して、排水ライン６を介して汚泥ラ
イン１４に排出されるようになっている。汚泥濃縮器８
では、供給された汚泥が濃縮されて脱水ケーキ１２とな
り、汚泥から分離された水分は分離排水１１として排出
される。The separating device 3 is connected to the water quality measuring device 5 by a transfer line 9 composed of a transfer hose. The purified water separated by the separating device 3 is inspected by the water quality measuring device 5 for its water quality. ing. The separation device 3 is connected to a sludge concentrator 8 by a sludge line 14 comprising a transfer hose.
And the sludge separated by the separation device 3 is concentrated by the sludge concentrator 8. Then, the purified water that has passed through the water quality measuring device 5 is returned to the water reservoir 1 via the transfer line 9, or the switching valve 13 is operated depending on the water quality, and the purified water is returned to the sludge line 14 via the drainage line 6. It is being discharged. Sludge concentrator 8
Then, the supplied sludge is concentrated into a dewatered cake 12, and the water separated from the sludge is discharged as a separated drainage 11.
【００１５】一方、分離装置３には、逆洗水汲み上げ用
ホースからなる逆洗ライン１０および逆洗水ポンプ４に
よって水貯留池１内の浄水が供給され、分離装置３の逆
洗が可能になっている。そして、分離装置３を逆洗した
逆洗水は汚泥ライン１４によって汚泥濃縮器８に供給さ
れるようになっている。On the other hand, purified water in the water reservoir 1 is supplied to the separation device 3 by a backwash line 10 comprising a backwash water pumping hose and a backwash water pump 4, so that the backwash of the separation device 3 is enabled. Has become. The backwash water obtained by backwashing the separation device 3 is supplied to the sludge concentrator 8 by the sludge line 14.
【００１６】次に、前述のように構成された水貯留池の
清掃装置による清掃方法を説明する。浄水池又は配水池
からなる水貯留池１には、原水を水処理することによっ
て浄化された浄水が貯留されている。水貯留池１の底部
には、長時間使用している間に、水中に含まれる沈殿物
が次第に堆積していく。そのため、水貯留池１を稼働し
た状態で、水貯留池１の底部を走行する吸引装置２が池
の底部に堆積した沈殿物を吸引し、この吸引された沈殿
物は沈殿物移送ホース７を介して分離装置３に送り込ま
れる。Next, a description will be given of a method of cleaning the water reservoir constructed as described above using the cleaning device. In a water reservoir 1 composed of a water purification reservoir or a distribution reservoir, purified water purified by treating raw water with water is stored. The sediment contained in the water gradually accumulates at the bottom of the water reservoir 1 during long use. Therefore, in a state where the water reservoir 1 is operated, the suction device 2 running at the bottom of the water reservoir 1 sucks the sediment deposited on the bottom of the pond, and the sucked sediment is transferred to the sediment transfer hose 7. Through the separation device 3.
【００１７】分離装置３で、送り込まれた沈殿物をろ過
し、分離された浄水は、その水質が所望の水質であれば
移送ライン９を介して元の水貯留池１に返送される。即
ち、移送の際、分離された浄水の水質を水質測定器５に
より検査し、元の水貯留池１に返送するに足る水質が確
保されているか否かを確認する。水質の程度が所望の水
質を満たしていなければ、水質測定器５を通過した水は
排水ライン６および汚泥ライン１４を経由して汚泥濃縮
器８に送り込まれる。尚、水質検査には、全量検査法と
抜き取り検査法とがあるが、いずれでもよく、図示する
ようにその測定機器を清掃装置に付設させておくとよ
い。なお、図示はしないが、分離装置３で分離された浄
水を、この浄水と同等な水質の水が貯留されている他の
池に供給することもできる。The sediment fed into the separation device 3 is filtered, and the purified water separated is returned to the original water storage tank 1 via the transfer line 9 if the water quality is the desired water quality. That is, at the time of transfer, the quality of the separated purified water is inspected by the water quality measuring device 5 to confirm whether or not the quality of the water enough to be returned to the original water storage tank 1 is secured. If the water quality does not satisfy the desired water quality, the water passing through the water quality measuring device 5 is sent to the sludge concentrator 8 via the drain line 6 and the sludge line 14. The water quality inspection includes a total amount inspection method and a sampling inspection method. Either one may be used, and the measuring device may be attached to the cleaning device as illustrated. Although not shown, the purified water separated by the separation device 3 can be supplied to another pond storing water having the same quality as the purified water.
【００１８】一方、分離された汚泥は、分離装置３から
排出された後、汚泥濃縮器８で濃縮して固形化処理さ
れ、脱水ケーキ１２となる。また、汚泥濃縮器８で汚泥
から分離された水分は分離排水１１として排出される。
分離装置３の逆洗は、逆洗水ポンプ４を稼働させて、逆
洗ライン１０から水貯留池１内の浄水を汲み上げ、分離
装置３に供給することにより行なう。圧縮ガスを利用す
る場合は、逆洗水ポンプ４の出口側に高圧ボンベに接続
するための座を設け、この座を介して圧縮ガスを分離装
置３に供給することにより行なう。On the other hand, the separated sludge is discharged from the separation device 3, then concentrated in the sludge concentrator 8 and solidified to form a dewatered cake 12. Further, the water separated from the sludge by the sludge concentrator 8 is discharged as a separated drainage 11.
The backwashing of the separation device 3 is performed by operating the backwash water pump 4 to pump up the purified water in the water reservoir 1 from the backwash line 10 and supply the purified water to the separation device 3. When using a compressed gas, a seat for connecting to a high-pressure cylinder is provided on the outlet side of the backwash water pump 4, and the compressed gas is supplied to the separation device 3 through this seat.
【００１９】上述した実施形態においては、本発明を上
水道施設の浄水池や配水池の清掃に適用した場合を説明
したが、工業用水用の施設において水処理プロセスを経
た清浄な水を貯留する池の清掃にも適用可能である。In the above-described embodiment, the case where the present invention is applied to cleaning of a water purification pond or a distribution reservoir of a water supply facility has been described. However, a pond for storing clean water that has undergone a water treatment process in an industrial water facility. It is also applicable to cleaning.
【００２０】[0020]
【実験結果】次に、本発明の実験結果を示す。直径１
６．５ｍ、水深４ｍのコンクリート製配水池において、
図１に示した本発明の装置を用いて清掃した。その時の
清掃条件は以下の通りである。 水中ロボットからなる吸引装置の吸引水量：３．６
ｍ３／ｈ 水中ロボットからなる吸引装置の清掃面積：３０ｍ
２／ｈ この時、吸引装置により吸引された沈殿物の処理前の平
均ＳＳ濃度（沈殿物混入濃度）は６００ｍｇ／ｌであっ
た。分離装置（ろ過器）によってろ過処理した後の水質
は、ＳＳ濃度１ｍｇ／ｌ以下、濁度も１度以下で、良質
の水質であることを確認し、元の配水池へ戻すことがで
きた。[Experimental results] Next, the experimental results of the present invention are shown. Diameter 1
In a concrete reservoir with a depth of 6.5m and a depth of 4m,
Cleaning was performed using the apparatus of the present invention shown in FIG. The cleaning conditions at that time are as follows. Suction water volume of suction device consisting of underwater robot: 3.6
m 3 / h Cleaning area of suction device consisting of underwater robot: 30 m
2 / h At this time, the average SS concentration (precipitated contaminant concentration) of the precipitate sucked by the suction device before treatment was 600 mg / l. The water quality after filtration treatment by the separation device (filter) was confirmed to be of good quality with SS concentration of 1 mg / l or less and turbidity of 1 degree or less, and could be returned to the original distribution reservoir. .
【００２１】清掃作業は約７時間で終了となり、配水池
底部の沈殿物は、吸引装置が走行不可能な部分を除き十
分に除去された。また、この清掃において、ろ過器にて
除去された沈殿物は約１５ｋｇで、ろ過器の性能限界以
下であったため、ろ過器の逆洗浄は行わずに済んだ。結
果として、総吸引水量３．６ｍ３／ｈ×７時間に対し、
約２５ｍ３の水量が下水等へ排出されずに元の池に返送
され、配水池の水質も悪化せず、そのまま通常通りの配
水をしながら清掃を完了できた。The cleaning operation was completed in about 7 hours, and the sediment at the bottom of the reservoir was sufficiently removed except for the portion where the suction device could not run. In this cleaning, the amount of the precipitate removed by the filter was about 15 kg, which was lower than the performance limit of the filter. Therefore, the backwash of the filter was not required. As a result, for a total suction water amount of 3.6 m 3 / h × 7 hours,
The amount of water of about 25m 3 is returned to the original pond without being discharged into the sewage or the like, the water quality of the distributing reservoir also not worse, was able to complete the cleaning while the raw usual water distribution.
【００２２】[0022]
【発明の効果】本発明によれば、水貯留池の沈殿物を分
離処理した浄水が元の池の水と同程度の水質を確保でき
るので、従来、排水していた水をそのまま元の池に返送
するか又は他の池へ供給でき、貴重な水を捨てなくても
よいことになる。また、配水池や浄水池等の水貯留池が
稼働している状態で清掃作業が可能であるので、いつで
も必要なときに水貯留池の清掃作業を実施でき、配水運
営上に不都合は生じなくなる。According to the present invention, the purified water separated from the sediment in the water storage pond can secure the same water quality as that of the original pond. The water can be returned to the ponds or supplied to other ponds, eliminating the need to discard valuable water. In addition, since cleaning work is possible while water reservoirs such as distribution reservoirs and water purification reservoirs are in operation, cleaning work of water reservoirs can be carried out whenever necessary, and there is no inconvenience in water distribution management. .
【００２３】また、従来、浄水池や配水池等の水貯留池
は多量の沈殿物が堆積するため、フィルタを用いて沈殿
物をろ過した場合において、フィルタに汚泥が所定以上
に付着した場合には、頻繁にこのフィルタを廃棄しなけ
ればならなかったが、逆洗式のろ過器を用いることによ
り、廃棄処分とすることなく、コストを低く抑えること
ができる。Conventionally, a large amount of sediment is deposited in a water storage reservoir such as a water purification reservoir or a distribution reservoir. Therefore, when the sediment is filtered using a filter, the sludge adheres to the filter more than a predetermined amount. Had to frequently discard this filter, but by using a backwash type filter, the cost can be kept low without disposal.
【図１】本発明の水貯留池の清掃装置を備えた上水道施
設を示す概略図である。FIG. 1 is a schematic diagram showing a water supply facility provided with a water reservoir cleaning device of the present invention.
１ 水貯留池 ２ 吸引装置 ３ 分離装置 ４ 逆洗水ポンプ ５ 水質測定器 ６ 排水ライン ７ 沈殿物移送ホース ８ 汚泥濃縮器 ９ 移送ライン １０ 逆洗ライン １１ 分離排水 １２ 脱水ケーキ １３ 切替バルブ １４ 汚泥ライン DESCRIPTION OF SYMBOLS 1 Water reservoir 2 Suction device 3 Separation device 4 Backwash water pump 5 Water quality measuring device 6 Drain line 7 Sediment transfer hose 8 Sludge concentrator 9 Transfer line 10 Backwash line 11 Separation drainage 12 Dehydration cake 13 Switching valve 14 Sludge line
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ０１Ｄ 29/38 ５２０Ｃ ５４０ (72)発明者 関根 智一 神奈川県川崎市川崎区江川１丁目４番１号 荏原工業洗浄株式会社内 Ｆターム(参考） 4D059 AA03 BE02 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B01D 29/38 520C 540 (72) Inventor Tomokazu Sekine 1-4-1 Egawa, Kawasaki-ku, Kawasaki-ku, Kawasaki-shi, Kanagawa EBARA Industrial cleaning Co., Ltd. F term (reference) 4D059 AA03 BE02
Claims (10)
において、水貯留池の底部に堆積した沈殿物を吸引し、
吸引された沈殿物から水を分離し、分離された水を前記
水貯留池に返送するか又は他の池に供給することを特徴
とする水貯留池の清掃方法。1. A cleaning method for removing sediment from a water reservoir, wherein the sediment deposited on the bottom of the water reservoir is suctioned,
A method for cleaning a water reservoir, comprising separating water from the suctioned sediment and returning the separated water to the water reservoir or supplying the water to another pond.
い、前記沈殿物からの水の分離は分離装置により行うこ
とを特徴とする請求項１記載の水貯留池の清掃方法。2. The method for cleaning a water reservoir according to claim 1, wherein the suction of the sediment is performed by a suction device, and the separation of water from the sediment is performed by a separation device.
なることを特徴とする請求項２記載の水貯留池の清掃方
法。3. The method according to claim 2, wherein the suction device comprises a self-propelled robot.
とを特徴とする請求項２記載の水貯留池の清掃方法。4. The method for cleaning a water reservoir according to claim 2, wherein said separation device comprises a backwash type filter.
池又は他の池の清浄な水を逆洗ラインに送ることにより
行うか、又は気体を逆洗ラインに送ることにより行うこ
とを特徴とする請求項４記載の水貯留池の清掃方法。5. The backwashing filter is backwashed by sending clean water from the water reservoir or another pond to a backwash line, or by sending gas to the backwash line. The method for cleaning a water reservoir according to claim 4, wherein:
において、水貯留池の底部に堆積した沈殿物を吸引する
吸引装置と、吸引された沈殿物から水を分離する分離装
置と、分離された水を前記水貯留池に返送するか又は他
の池に供給する移送ラインとを備えたことを特徴とする
水貯留池の清掃装置。6. A cleaning device for removing sediment from a water reservoir, comprising: a suction device for suctioning sediment deposited on a bottom of the water reservoir; a separation device for separating water from the sucked sediment; And a transfer line for returning the collected water to the water reservoir or supplying the water to another reservoir.
なることを特徴とする請求項６記載の水貯留池の清掃装
置。7. The cleaning device for a water reservoir according to claim 6, wherein the suction device comprises a self-propelled robot.
とを特徴とする請求項６記載の水貯留池の清掃装置。8. The cleaning device for a water reservoir according to claim 6, wherein said separation device comprises a backwash type filter.
水貯留池又は他の池の清浄な水を逆洗ラインに送ること
により行うか、又は気体を逆洗ラインに送ることにより
行うことを特徴とする請求項８記載の水貯留池の清掃装
置。9. The backwashing in the backwashing filter is performed by sending clean water from the water reservoir or another pond to a backwashing line, or by sending gas to the backwashing line. The cleaning device for a water reservoir according to claim 8, wherein:
よび前記ろ過器の逆洗に用いた逆洗水は、濃縮器にて濃
縮処理されることを特徴とする請求項８記載の水貯留池
の清掃装置。10. The water storage tank according to claim 8, wherein the sludge separated by the separation device and the backwash water used for backwashing the filter are concentrated in a concentrator. Cleaning device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019084A JP3690986B2 (en) | 2001-01-26 | 2001-01-26 | Cleaning method and apparatus for water reservoir |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019084A JP3690986B2 (en) | 2001-01-26 | 2001-01-26 | Cleaning method and apparatus for water reservoir |
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| Publication Number | Publication Date |
|---|---|
| JP2002219498A true JP2002219498A (en) | 2002-08-06 |
| JP3690986B2 JP3690986B2 (en) | 2005-08-31 |
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ID=18885024
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| JP2001019084A Expired - Lifetime JP3690986B2 (en) | 2001-01-26 | 2001-01-26 | Cleaning method and apparatus for water reservoir |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005052541A1 (en) * | 2003-11-28 | 2007-12-06 | 独立行政法人農業・食品産業技術総合研究機構 | Separation and collection method and apparatus |
| KR101081507B1 (en) | 2008-08-04 | 2011-11-08 | 서울특별시 | Continual system for processing the waste water of pool |
-
2001
- 2001-01-26 JP JP2001019084A patent/JP3690986B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005052541A1 (en) * | 2003-11-28 | 2007-12-06 | 独立行政法人農業・食品産業技術総合研究機構 | Separation and collection method and apparatus |
| JP5061288B2 (en) * | 2003-11-28 | 2012-10-31 | 独立行政法人農業・食品産業技術総合研究機構 | Separation and collection method and apparatus |
| KR101081507B1 (en) | 2008-08-04 | 2011-11-08 | 서울특별시 | Continual system for processing the waste water of pool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3690986B2 (en) | 2005-08-31 |
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