JPH04310206A - Water treating equipment - Google Patents
Water treating equipmentInfo
- Publication number
- JPH04310206A JPH04310206A JP7343291A JP7343291A JPH04310206A JP H04310206 A JPH04310206 A JP H04310206A JP 7343291 A JP7343291 A JP 7343291A JP 7343291 A JP7343291 A JP 7343291A JP H04310206 A JPH04310206 A JP H04310206A
- Authority
- JP
- Japan
- Prior art keywords
- water
- equipment
- ceramic filter
- tank
- treatment
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000000746 purification Methods 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000008213 purified water Substances 0.000 abstract description 10
- 244000005700 microbiome Species 0.000 abstract description 7
- 230000001112 coagulating effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 5
- 230000016615 flocculation Effects 0.000 description 5
- 239000005708 Sodium hypochlorite Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004045 organic chlorine compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filtering Materials (AREA)
Abstract
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 water treatment equipment that takes raw water from rivers and the like and purifies 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 Conventional water treatment equipment is, for example, as shown in FIG. In FIG. 4, raw water pumped up from a water intake 1 is supplied to a landing well 3 through a dust remover 2, and at the landing well 3, sodium hypochlorite and the like are supplied from a sodium hypochlorite storage tank 4 and the like. In addition, a caustic soda storage tank 6 is used for the raw water sent from the landing well 3 to the mixing pond 5.
Also, the alkali agent and flocculant/flocculation aid supplied from the flocculant 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。[0003]Then, the raw water mixed with the alkali agent and flocculant/flocculation aid in the mixing pond 5 is transferred to the flocculation pond 8.
The particles of suspended solids that are difficult to settle by gravity in the raw water are aggregated and formed into flocs. Further, the raw water containing flocs is sent to a chemical settling tank 9 where the flocs are precipitated and removed, and the supernatant water is sent to a rapid filtration tank 11. In the case of direct flocculation filtration, after the alkaline agent and flocculant/flocculation aid supplied from the caustic soda storage tank 6 and flocculant storage tank 7 are mixed in the mixing basin 5, microflocs are formed and immediately It is sent to the rapid filtration basin 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。[0004] The water sent from the microfloc pond 10 to the rapid filtration basin 11 has suspended solids captured by the filtration 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 adding sodium hypochlorite for disinfection, the water is sent to the water purification pond 12. In addition, the treated water is transferred to an ozone contact tank 13 and an activated carbon filtration pond 14 as necessary.
The waste is then sent to advanced processing equipment, where trace amounts of organic matter, organic chlorine compounds, ammonia nitrogen, and odor components are removed.
【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。[0005] The turbidity removed in the rapid filtration basin 11 is washed out by backwash water, and the backwash water containing the turbidity is returned to the receiving well 3 via the drainage basin 15. In addition, chemical sedimentation tank 9
The settled sludge is sent to the thickening tank 17 via the sludge pond 16, and the supernatant water in the thickening tank 17 is sent to the 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。[Problems to be Solved by the Invention] However, in the conventional configuration described above, even in the treated water that has passed through the advanced treatment equipment consisting of the ozone contact tank 13 and the activated carbon filtration basin 14,
Microorganisms generated in the activated carbon filter pond 14 may leak out, which has been considered 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 solves the above problems, and aims to provide water treatment equipment that can remove microorganisms, etc. from treated water that has passed through advanced treatment equipment and make the treated water clear and purified. 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。[Means for Solving the Problems] In order to solve the above problems, the present invention takes raw water from a water source and purifies the raw water through each treatment process of mixing/coagulation equipment, sedimentation tank, filtration equipment, and advanced treatment equipment. In water treatment equipment that stores purified treated water in a water treatment pond, a precision filtration device is interposed between the advanced treatment equipment and the water treatment pond, and this precision filtration device stores the treated water that has passed through the advanced treatment equipment. a treatment tank, a ceramic filter immersed in treated water and placed inside the treatment tank, and a suction pump installed outside the treatment tank whose suction side communicates with the inside of the ceramic filter and whose discharge side communicates with a water purification pond. The structure is equipped with the following features.
【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
。[Function] With the above configuration, by suctioning the treated water in the treatment tank through the ceramic filter with a suction pump, the microorganisms contained in the treated water are captured by precision filtration with the ceramic filter and remain in the treatment tank. Clear purified water that has passed through the filter is extracted outside the treatment tank and sent to the water purification pond via a 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２
６の吐出側は浄水池１２に連通している。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Note that members that perform the same functions as those in the configuration shown in FIG. 4 are given the same reference numerals, and description thereof will be omitted. In FIGS. 1 to 3, a precision filtration device 21 is interposed between an activated carbon filtration pond 14 and a water purification pond 12 of advanced treatment equipment. The precision filtration device 21 includes a treatment tank 22 communicating with the activated carbon filtration basin 14 and a ceramic filter 24 immersed in treated water 23 stored inside the treatment tank 22. Reference numeral 24 includes 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 . In addition, suction pump 2
The discharge side of 6 communicates with a 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。[0011] An air diffuser 27 is provided below the ceramic filter 24, and the air diffuser 27 communicates with the discharge side of a blower device 28 provided outside the processing tank 22. Further, the bottom of the treatment 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。[0012] The operation of the above configuration will be explained below. The treated water 23 supplied from the activated carbon filtration basin 14 to the treatment tank 22 is sucked by a suction pump 26 through a ceramic filter 24, and microorganisms contained in the treated water 23 are captured by precision filtration by the ceramic filter 24. Further, an upward agitation flow A is generated by the air lift action of the air 30 diffused from the aeration section 27, and the gel layer adhering to the surface of each ceramic tube 25 of the ceramic filter 24 is removed by the shear force of the upward agitation flow A. Ru. Clear purified water 31 that has passed through the ceramic filter 24 is sent to the purified water pond 12 via the suction pump 26. Further, 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。[Effects of the Invention] As described above, according to the present invention, microorganisms contained in treated water are captured by the ceramic filter of the precision filtration device, and clear purified water that has passed through the ceramic filter is supplied to the water purification pond. Can be done.
【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 precision filtration device in the same embodiment.
【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 diagram showing the filtration action of the ceramic filter in the same 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 Precision filtration device 22 Processing tank 23 Treated water 24 Ceramic filter 25 Ceramic tube 26 Suction pump 27 Air diffuser pipe 28 Blower device 31. Purified water
Claims (1)
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ことを特徴とする水処理設備。Claim 1: Water treatment equipment that takes raw water from a water source, purifies the raw water through each treatment process of mixing/coagulation equipment, sedimentation tank, filtration equipment, and advanced treatment equipment, and stores the purified treated water in a water purification pond. In this system, a precision filtration device is installed between the advanced treatment equipment and the water purification pond, and this precision filtration device is connected to a treatment tank that stores the treated water that has passed through the advanced treatment equipment, and a treatment tank that is immersed in the treated water and then flows into the treatment tank. 1. A water treatment facility comprising: a ceramic filter; and a suction pump provided outside the treatment tank, the suction side of which communicates with the interior of the ceramic filter, and the discharge side of which communicates with a water purification pond.
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 true JPH04310206A (en) | 1992-11-02 |
| JP2695062B2 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 |
|---|---|
| JP2695062B2 (en) | 1997-12-24 |
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