JP2695062B2 - Water treatment equipment - Google Patents
Water treatment equipmentInfo
- Publication number
- JP2695062B2 JP2695062B2 JP7343291A JP7343291A JP2695062B2 JP 2695062 B2 JP2695062 B2 JP 2695062B2 JP 7343291 A JP7343291 A JP 7343291A JP 7343291 A JP7343291 A JP 7343291A JP 2695062 B2 JP2695062 B2 JP 2695062B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- treatment
- tank
- facility
- ceramic filter
- 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
Landscapes
- Filtering Materials (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、河川などの原水を取水
して衛生的な水に浄化する水処理設備に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment facility for taking raw water from a river or the like and purifying it into sanitary water.
【0002】[0002]
【従来の技術】従来の水処理設備は、たとえば図4に示
すようなものであった。図4において、取水口1から汲
み上げられる原水は除塵機2を通して着水井3に供給さ
れ、着水井3において次亜塩素酸ソーダ等が次亜塩素酸
ソーダ貯留槽4等から供給される。また、着水井3から
混和池5に送られた原水に対してカセイソーダ貯留槽6
ならびに凝集剤貯留槽7から供給されるアルカリ剤およ
び凝集剤・ 凝集助剤混和される。2. Description of the Related Art A conventional water treatment facility is, for example, as shown in FIG. In FIG. 4, raw water pumped up from the intake 1 is supplied to the landing well 3 through the dust remover 2, and sodium hypochlorite or the like is supplied to the landing well 3 from the sodium hypochlorite storage tank 4 or the like. In addition, caustic soda storage tank 6 is applied to the raw water sent from landing well 3 to mixing pond 5.
Also, the alkaline agent and the coagulant / coagulant aid supplied from the coagulant storage tank 7 are mixed.
【0003】そして、混和池5にてアルカリ剤および凝
集剤・ 凝集助剤を混和された原水はフロック形成池8に
送られ、原水中の重力沈降しがたい浮遊物質の粒子が凝
集されてフロックに形成される。さらに、フロックを含
む原水は薬品沈殿池9に送られてフロックを沈殿除去さ
れ、上澄水が急速濾過池11に送られる。また、直接凝集
濾過の場合には、混和池5においてカセイソーダ貯留槽
6ならびに凝集剤貯留槽7から供給されるアルカリ剤お
よび凝集剤・ 凝集助剤が混和された後に、マイクロフロ
ック形成を行って直ちに急速濾過池11に送られる。Then, the raw water mixed with the alkaline agent, the coagulant and the coagulant in the mixing pond 5 is sent to the floc formation pond 8 and the particles of the suspended solids in the raw water, which are hard to settle by gravity, are flocculated. Is formed. Further, the raw water containing flocs is sent to the chemical settling tank 9 to remove the flocs by sedimentation, and the supernatant water is sent to the rapid filtration tank 11. Further, in the case of direct coagulation filtration, after the alkaline agent and the coagulant / coagulant aid supplied from the caustic soda storage tank 6 and the coagulant storage tank 7 are mixed in the mixing pond 5, micro floc formation is immediately performed. It is sent to the rapid filtration pond 11.
【0004】そして、マイクロフロック池10から急速濾
過池11に送られた水は濾材の濾過作用によって濁質を捕
捉され、濾材を透過した処理水は次亜塩素酸ソーダ貯留
槽4から供給される消毒用の次亜塩素酸ソーダを添加さ
れた後に浄水池12に送られる。また、処理水は必要に応
じて、オゾン接触槽13および活性炭濾過池14よりなる高
度処理設備に送られ、微量有機物・ 有機塩素化合物・ ア
ンモニア性窒素・ 臭気成分などが除去される。Then, the water sent from the micro floc pond 10 to the rapid filtration pond 11 has suspended substances captured by the filtering action of the filter medium, and the treated water that has passed through the filter medium is supplied from the sodium hypochlorite storage tank 4. After being added with sodium hypochlorite for disinfection, it is sent to the water purification pond 12. If necessary, the treated water is sent to an advanced treatment facility consisting of an ozone contact tank 13 and an activated carbon filter basin 14 to remove trace organic substances, organic chlorine compounds, ammoniacal nitrogen, odorous components and the like.
【0005】そして、急速濾過池11で除去された濁質は
逆洗水によって洗い出され、濁質を含む逆洗水は排水池
15を経て着水井3に戻される。また、薬品沈殿池9で沈
降した汚泥は排泥池16を経て濃縮槽17に送られ、濃縮槽
17における上澄水は排水池15に送られる。Then, the suspended matter removed in the rapid filtration pond 11 is washed out by the backwash water, and the backwash water containing the suspended matter is drained.
It is returned to the landing well 3 via 15. The sludge settled in the chemical settling tank 9 is sent to the thickening tank 17 via the sludge holding tank 16,
The clear water at 17 is sent to drainage pond 15.
【0006】[0006]
【発明が解決しようとする課題】しかし、上記した従来
の構成において、オゾン接触槽13および活性炭濾過池14
よりなる高度処理設備を通った処理水においても、活性
炭濾過池14で発生する微生物が漏出するする場合があ
り、問題とされていた。However, in the above conventional structure, the ozone contact tank 13 and the activated carbon filter basin 14 are provided.
Even in the treated water that has passed through the advanced treatment facility, microorganisms generated in the activated carbon filter basin 14 may leak out, which has been a problem.
【0007】本発明は上記課題を解決するもので、高度
処理設備を通った処理水中の微生物等を除去して処理水
を清澄な浄水にすることができる水処理設備を提供する
ことを目的とする。The present invention is intended to solve the above problems, and an object of the present invention is to provide a water treatment facility capable of removing the microorganisms in the treated water that has passed through the advanced treatment facility to make the treated water clear water. To do.
【0008】[0008]
【課題を解決するための手段】上記課題を解決するため
に本発明は、水源から原水を取水し、混和・ 凝集設備、
沈殿池、濾過設備および高度処理設備の各処理工程を通
して原水を浄化し、浄化された処理水を浄水池に貯留す
る水処理設備において、高度処理設備と浄水池の間に精
密濾過装置を介装し、この精密濾過装置が、高度処理設
備を通った処理水を貯留する処理槽と、処理水に浸漬し
て処理槽内に配置されたセラミックフィルターと、処理
槽外に設けられて吸入側がセラミックフィルター内部に
連通するとともに、吐出側が浄水池に連通する吸引ポン
プとを備えた構成としたものである。In order to solve the above-mentioned problems, the present invention takes raw water from a water source, mixes and coagulates equipment,
In a water treatment facility that purifies raw water through each treatment process of a sedimentation basin, a filtration facility, and an advanced treatment facility, and stores the purified treated water in a water purification reservoir, a microfiltration device is installed between the advanced treatment facility and the water purification reservoir. This microfiltration device is equipped with a treatment tank that stores the treated water that has passed through the advanced treatment equipment, a ceramic filter that is immersed in the treated water and placed inside the treatment tank, and a ceramic filter that is installed outside the treatment tank and has a suction side. The suction pump is connected to the inside of the filter and the discharge side is connected to the water purification pond.
【0009】[0009]
【作用】上記した構成により、処理槽内の処理水を吸引
ポンプでセラミックフィルターを通して吸引することに
よって、セラミックフィルターによる精密濾過により処
理水中に含まれる微生物が捕捉されて処理槽内に残留
し、セラミックフィルターを透過した清澄な浄水が処理
槽の外部に抽出され、吸引ポンプを経て浄水池に送られ
る。With the above-described structure, the treated water in the treatment tank is sucked through the ceramic filter by the suction pump, and the microorganisms contained in the treated water are captured by the fine filtration by the ceramic filter and remain in the treatment tank. The clear purified water that has passed through the filter is extracted to the outside of the treatment tank and sent to the water purification pond via the suction pump.
【0010】[0010]
【実施例】以下本発明の一実施例を図面に基づいて説明
する。なお、図4に示した構成と同様の作用を行う部材
については同一番号を付して説明を省略する。図1〜図
3において、精密濾過装置21は高度処理設備の活性炭濾
過池14と浄水池12の間に介装されている。そして、精密
濾過装置21は活性炭濾過池14に連通する処理槽22と、処
理槽22の内部に貯留される処理水23に浸漬して配置され
たセラミックフィルター24とを有しており、セラミック
フィルター24は円筒状に形成された複数のセラミックチ
ューブ25からなり、セラミックチューブ25の内部は処理
槽22の外部に設けた吸引ポンプ26の吸入側に連通してい
る。また、吸引ポンプ26の吐出側は浄水池12に連通して
いる。An embodiment of the present invention will be described below with reference to the drawings. It should be noted that the members having the same functions as those of the configuration shown in FIG. 1 to 3, the microfiltration device 21 is provided between the activated carbon filtration basin 14 and the water purification basin 12 of the advanced treatment facility. The microfiltration device 21 has a treatment tank 22 that communicates with the activated carbon filtration pond 14, and a ceramic filter 24 that is disposed by being immersed in the treatment water 23 stored inside the treatment tank 22. 24 is composed of a plurality of ceramic tubes 25 formed in a cylindrical shape, and the inside of the ceramic tubes 25 communicates with the suction side of a suction pump 26 provided outside the processing tank 22. Further, the discharge side of the suction pump 26 communicates with the water purification pond 12.
【0011】そして、セラミックフィルター24の下方に
位置して散気部27が設けられており、散気部27は処理槽
22の外部に設けたブロワー装置28の吐出側に連通してい
る。また、処理槽22の底部は汚泥引抜ポンプ29の吸入側
に連通している。An air diffuser 27 is provided below the ceramic filter 24, and the air diffuser 27 is a processing tank.
It communicates with the discharge side of a blower device 28 provided outside 22. Further, the bottom of the processing tank 22 communicates with the suction side of the sludge drawing pump 29.
【0012】以下、上記構成における作用について説明
する。活性炭濾過池14から処理槽22に供給された処理水
23はセラミックフィルター24を通して吸引ポンプ26で吸
引され、セラミックフィルター24による精密濾過によっ
て処理水23に含まれる微生物が捕捉される。また、散気
部27から散気された空気30のエアリフト作用によって上
昇攪拌流Aが生じ、上昇攪拌流Aの剪断力によってセラ
ミックフィルター24の各セラミックチューブ25の表面に
付着するゲル層が除去される。そして、セラミックフィ
ルター24を透過した清澄な浄水31が吸引ポンプ26を経て
浄水池12に送られる。また、捕捉された微生物は汚泥吸
引ポンプ29によって処理槽22の外部に排出される。The operation of the above structure will be described below. Treated water supplied from activated carbon filter 14 to treatment tank 22
23 is sucked by a suction pump 26 through a ceramic filter 24, and microbes contained in the treated water 23 are captured by microfiltration by the ceramic filter 24. Further, the rising stirring flow A is generated by the air lift action of the air 30 diffused from the air diffusing unit 27, and the gel layer attached to the surface of each ceramic tube 25 of the ceramic filter 24 is removed by the shearing force of the rising stirring flow A. It Then, the clear purified water 31 that has passed through the ceramic filter 24 is sent to the purified water reservoir 12 via the suction pump 26. The captured microorganisms are discharged to the outside of the treatment tank 22 by the sludge suction pump 29.
【0013】[0013]
【発明の効果】以上述べたように本発明によれば、精密
濾過装置のセラミックフィルターにより処理水中に含ま
れる微生物を捕捉することにより、セラミックフィルタ
ーを透過した清澄な浄水を浄水池に供給することができ
る。As described above, according to the present invention, by capturing the microorganisms contained in the treated water by the ceramic filter of the microfiltration device, clear purified water that has passed through the ceramic filter is supplied to the water purification pond. You can
【図1】本発明の一実施例を示す全体構成図である。FIG. 1 is an overall configuration diagram showing an embodiment of the present invention.
【図2】同実施例における精密濾過装置の全体構成図で
ある。FIG. 2 is an overall configuration diagram of a microfiltration device in the example.
【図3】同実施例におけるセラミックフィルターの濾過
作用を示す模式図である。FIG. 3 is a schematic view showing a filtering action of the ceramic filter in the example.
【図4】従来の水処理装置の全体構成図である。FIG. 4 is an overall configuration diagram of a conventional water treatment device.
21 精密濾過装置 22 処理槽 23 処理水 24 セラミックフィルター 25 セラミックチューブ 26 吸引ポンプ 27 散気管 28 ブロワー装置 31 浄水 21 Microfiltration device 22 Treatment tank 23 Treated water 24 Ceramic filter 25 Ceramic tube 26 Suction pump 27 Air diffuser 28 Blower device 31 Purified water
フロントページの続き (72)発明者 鳴上 善久 大阪府大阪市浪速区敷津東1丁目2番47 号 株式会社クボタ内Front Page Continuation (72) Inventor Yoshihisa Naruue 1-247 Shikitsuhigashi Naniwa-ku Osaka Prefecture Osaka Kubota Co., Ltd.
Claims (1)
備、沈殿池、濾過設備および高度処理設備の各処理工程
を通して原水を浄化し、浄化された処理水を浄水池に貯
留する水処理設備において、高度処理設備と浄水池の間
に精密濾過装置を介装し、この精密濾過装置が、高度処
理設備を通った処理水を貯留する処理槽と、処理水に浸
漬して処理槽内に配置されたセラミックフィルターと、
処理槽外に設けられて吸入側がセラミックフィルター内
部に連通するとともに、吐出側が浄水池に連通する吸引
ポンプとを備えたことを特徴とする水処理設備。1. A water treatment facility that takes raw water from a water source, purifies the raw water through each treatment process of a mixing / coagulation facility, a sedimentation basin, a filtration facility, and an advanced treatment facility, and stores the purified treated water in a water purification reservoir. , A microfiltration device is installed between the advanced treatment equipment and the water purification pond, and this microfiltration device is placed in the treatment tank that stores the treated water that has passed through the advanced treatment equipment and in the treatment tank by immersing it in the treated water. Arranged ceramic filter,
A water treatment facility, which is provided outside the treatment tank and has a suction pump that communicates with the inside of the ceramic filter on the suction side and communicates with the water purification reservoir on the discharge side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7343291A JP2695062B2 (en) | 1991-04-08 | 1991-04-08 | Water treatment equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7343291A JP2695062B2 (en) | 1991-04-08 | 1991-04-08 | Water treatment equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04310206A JPH04310206A (en) | 1992-11-02 |
JP2695062B2 true JP2695062B2 (en) | 1997-12-24 |
Family
ID=13518081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7343291A Expired - Lifetime JP2695062B2 (en) | 1991-04-08 | 1991-04-08 | Water treatment equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2695062B2 (en) |
-
1991
- 1991-04-08 JP JP7343291A patent/JP2695062B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04310206A (en) | 1992-11-02 |
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