JPH04247288A - Water treating apparatus - Google Patents
Water treating apparatusInfo
- Publication number
- JPH04247288A JPH04247288A JP3011270A JP1127091A JPH04247288A JP H04247288 A JPH04247288 A JP H04247288A JP 3011270 A JP3011270 A JP 3011270A JP 1127091 A JP1127091 A JP 1127091A JP H04247288 A JPH04247288 A JP H04247288A
- Authority
- JP
- Japan
- Prior art keywords
- water
- filtration membrane
- biological treatment
- treated
- treatment tank
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 68
- 239000000706 filtrate Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 48
- 238000005273 aeration Methods 0.000 claims description 41
- 238000011084 recovery Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 3
- 238000005276 aerator Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 238000013019 agitation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010840 domestic wastewater Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、例えば、家庭排水や下
水等の水処理装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment system for, for example, domestic wastewater or sewage.
【０００２】0002
【従来の技術】従来、上記水処理装置では、生物処理槽
内に、被処理水を固液分離する複数のろ過膜モジュール
を、横方向に並設し、それらろ過膜モジュールの下方に
曝気装置だけを設けて、曝気装置から吹出す空気のエア
リフト作用によって生じる上昇攪拌流で、ろ過膜モジュ
ールの外表面に汚泥のケーキ層やゲル層が付着成長する
のを防止するものがあった。[Prior Art] Conventionally, in the above-mentioned water treatment equipment, a plurality of filtration membrane modules for separating solid-liquid water to be treated are arranged horizontally in a biological treatment tank, and an aeration device is installed below the filtration membrane modules. In some cases, a sludge cake layer or a gel layer is prevented from adhering to and growing on the outer surface of the filtration membrane module by the upward agitation flow generated by the air lift effect of the air blown out from the aeration device.
【０００３】0003
【発明が解決しようとする課題】しかし、曝気装置から
のエアリフト作用に伴う上昇攪拌流のみで、ろ過膜モジ
ュール外表面の汚泥付着防止を行うと、曝気に伴う不規
則な振動が大きく、ろ過膜モジュールにおける膜の接着
部や膜自体等が破損しやすいという欠点があった。本発
明の目的は、ろ過膜モジュールを傷めずに、その外表面
に汚泥が付着しにくくする点にある。[Problems to be Solved by the Invention] However, when preventing sludge from adhering to the outer surface of the filtration membrane module using only the upward agitation flow caused by the air lift effect from the aeration device, the irregular vibrations associated with the aeration are large and the filtration membrane There was a drawback that the adhesive part of the membrane in the module, the membrane itself, etc. were easily damaged. An object of the present invention is to make it difficult for sludge to adhere to the outer surface of a filtration membrane module without damaging it.
【０００４】0004
【課題を解決するための手段】本発明における水処理装
置の第１の発明は、生物処理槽内に、曝気装置を設ける
と共に、生物処理槽内の被処理水を固液分離する複数の
ろ過膜モジュールを設け、前記ろ過膜モジュールからの
ろ液を前記生物処理槽の外方に取り出すろ液回収路を設
けてある水処理装置であって、前記ろ過膜モジュールの
下方に、前記曝気装置を配置すると共に、前記ろ過膜モ
ジュールに接している流体に機械的に流動力を与える流
動装置を設けてある水処理装置にあり、第２の発明は、
生物処理槽内の被処理水を固液分離するろ過膜モジュー
ルを、複数横方向に並設してモジュール群を形成し、前
記生物処理槽内に、前記モジュール群を複数設けると共
に、曝気装置を設け、前記ろ過膜モジュールからのろ液
を前記生物処理槽の外方に取り出すろ液回収路を設けて
ある排水処理装置であって、前記モジュール群の下方夫
々に、前記曝気装置を配置すると共に、前記ろ過膜モジ
ュールに向けて被処理水を流動させる回転翼を設けてあ
る水処理装置にあり、それらの作用効果は次の通りであ
る。[Means for Solving the Problems] A first aspect of the water treatment apparatus of the present invention is to provide an aeration device in a biological treatment tank, and to provide a plurality of filters for separating solid-liquid water to be treated in the biological treatment tank. A water treatment device comprising a membrane module and a filtrate recovery path for taking out the filtrate from the filtration membrane module to the outside of the biological treatment tank, wherein the aeration device is provided below the filtration membrane module. A second invention resides in a water treatment apparatus provided with a flow device that mechanically applies a flow force to the fluid in contact with the filtration membrane module.
A plurality of filtration membrane modules for solid-liquid separation of water to be treated in a biological treatment tank are arranged in parallel in the horizontal direction to form a module group, and a plurality of the module groups are provided in the biological treatment tank, and an aeration device is provided. The wastewater treatment device is provided with a filtrate recovery path for taking out the filtrate from the filtration membrane module to the outside of the biological treatment tank, the aeration device being disposed below each of the module group, and The present invention is a water treatment device equipped with rotary blades that flow the water to be treated toward the filtration membrane module, and their effects are as follows.
【０００５】[0005]
【作用】つまり、前述の第１の発明によれば、複数のろ
過膜モジュールを介して生物処理槽内の被処理水を固液
分離して、ろ液回収路からろ液を取り出しながら、曝気
装置及び流動装置を作動させると、曝気装置により空気
が吹込まれることによって、生物処理槽内での微生物が
活性化して生物処理の促進を促しながら、エアーレーシ
ョン作用により上昇流動が起こり、被処理水はろ過膜モ
ジュールに向けて流動する。しかも、流動装置による作
動によって、被処理水がろ過膜モジュールにの膜面に沿
って流動させられる。[Operation] That is, according to the first invention described above, the water to be treated in the biological treatment tank is separated into solid and liquid through a plurality of filtration membrane modules, and the filtrate is removed from the filtrate recovery path while being aerated. When the device and flow device are operated, air is blown in by the aeration device, which activates the microorganisms in the biological treatment tank and promotes biological treatment. Water flows towards the filtration membrane module. Moreover, the water to be treated is caused to flow along the membrane surface of the filtration membrane module by the operation of the flow device.
【０００６】そして、曝気装置によってそこからの気泡
が被処理水をかき乱しながら上昇する時に生じる乱流作
用で膜面近傍の流れが乱され、膜面の洗浄作用及び汚泥
付着防止作用がより効果的に行われながら、従来のよう
に曝気装置のエアーレーション作用のみによって被処理
水を流動させるのではなく、曝気装置と流動装置との双
方によって、被処理水がろ過膜モジュールに向けて流動
させられることによって、多量の曝気に起因した不規則
な振動によって、ろ過膜面や、その接着部分が損傷する
のを防止しながら、膜外表面の洗浄ができる。[0006]Then, the flow near the membrane surface is disturbed by the turbulence effect generated when the bubbles from the aeration device rise while disturbing the water to be treated, making the membrane surface cleaning action and sludge adhesion prevention action more effective. However, instead of flowing the water to be treated only by the aeration effect of the aeration device as in the past, the water to be treated is made to flow toward the filtration membrane module by both the aeration device and the fluidization device. As a result, the outer surface of the membrane can be cleaned while preventing damage to the filtration membrane surface and its bonded parts due to irregular vibrations caused by large amounts of aeration.
【０００７】[0007]
【発明の効果】従って、曝気装置によるエアー供給量を
、ろ過膜面や、その接着部分の損傷を防止するために適
量にしても、流動装置の助けで膜面全体を均一に洗浄し
てケーキ層などの付着成長を確実に防止でき、生物処理
を行いながらのろ過膜モジュールによる固液分離を、長
期にわたって良好に続行できるようになった。Effect of the invention: Therefore, even if the amount of air supplied by the aeration device is set to an appropriate amount in order to prevent damage to the filtration membrane surface and its bonded parts, the entire membrane surface can be uniformly cleaned with the help of the flow device and no cakes can be formed. It is now possible to reliably prevent the adhesion and growth of layers, etc., and to continue solid-liquid separation using the filtration membrane module successfully over a long period of time while performing biological treatment.
【０００８】その上、曝気装置から吹出される気泡が、
流動装置の攪拌作用によって更に細かい気泡に細分化さ
れ、その結果、被処理水に対する気泡中の酸素の溶解効
率が向上して、生物処理を促進させることが出来ると共
に、細かい気泡により、一層乱流が多く生じると共に、
前記振動が小さくなり、結局、ろ過膜モジュールを長持
ちさせながら、生物処理槽内での水処理を良好に行わせ
ることが出来るようになった。Moreover, the air bubbles blown out from the aeration device,
The agitation action of the flow device further fragments the bubbles into finer bubbles, and as a result, the efficiency of dissolving oxygen in the bubbles in the water to be treated improves, promoting biological treatment, and the fine bubbles make the flow more turbulent. occurs a lot, and
The vibrations are reduced, and as a result, it is possible to extend the life of the filtration membrane module and to perform water treatment in the biological treatment tank well.
【０００９】[0009]
【作用】また、前述の第２の発明によれば、複数のモジ
ュール群のそれぞれのろ過膜モジュールを介して生物処
理槽内の被処理水を固液分離し、ろ液回収路からろ液を
取り出しながら、曝気装置及び回転翼を作動させると、
各モジュール群夫々の下方に、曝気装置と回転翼を設け
てあるために、各モジュール群夫々は、独立的に前記第
１の発明と同様に、曝気装置による微生物の活性化と曝
気装置のエアーレーション作用による膜外面の洗浄、及
び、回転翼による被処理水の流動作用で膜外面の洗浄が
行われると共に、曝気装置と回転翼との相乗作用により
過剰の曝気に起因したろ過膜及びその接着部の損傷を防
止しながら、膜外面の洗浄を効果的に行わせられる。[Operation] Also, according to the second invention described above, the water to be treated in the biological treatment tank is separated into solid and liquid through the respective filtration membrane modules of the plurality of module groups, and the filtrate is collected from the filtrate recovery path. If you operate the aeration device and rotor while taking out,
Since an aeration device and a rotating blade are provided below each module group, each module group can independently activate microorganisms by the aeration device and air from the aeration device. The outer surface of the membrane is cleaned by the ration action, and the flow of the water to be treated by the rotor blades cleans the outer surface of the membrane.The synergistic action of the aeration device and the rotor blades removes the filtration membrane and its adhesion caused by excessive aeration. The outer surface of the membrane can be effectively cleaned while preventing damage to the outer surface of the membrane.
【００１０】0010
【発明の効果】従って、前述と同様、各モジュール群は
、長期にわたって良好に固液分離を行わせられ、しかも
生物処理槽内での生物処理を良好に行えるようになった
。[Effects of the Invention] Therefore, as described above, each module group can perform solid-liquid separation well over a long period of time, and can also perform biological treatment well in the biological treatment tank.
【００１１】その上、複数のモジュール群に曝気装置に
よる被処理水の流動化以外に、回転翼による流動化を与
えるために、例えば図２に示すように、生物処理槽１内
に被処理水の移動流路Ｒを確定し、その移動流路Ｒに複
数のモジュール群Ａを、流れ方向に沿って並べ、それら
モジュール群Ａの上流に、回転翼７を一つだけ設けるこ
とも考えられるが、この場合、流路Ｒ内での圧損が大き
く大容量の回転翼駆動装置Ｍが必要となるだけでなく、
各モジュール群Ａの配置部での流動抵抗が異なるために
、夫々での水位が異なり、その結果、各モジュール群Ａ
の下方に設けた曝気装置３にかかる水圧及びろ過膜モジ
ュール２に作用する水圧が異なって、他より水位の高い
箇所でのろ過膜モジュール２は、高い水圧のためにろ過
効率は上がるが、その反面、曝気装置３によるエアー供
給量が減少して、膜面の洗浄効果が低下するという欠点
が生じるのに対し、本発明は、各モジュール群Ａ夫々に
回転翼７を設けることにより、圧損少なく小さい駆動力
で回転翼を回転させられると共に、各モジュール群Ａ夫
々に独立的に回転翼７を設けてあるために、水位の変動
もなく対応した曝気装置３によるエアーの供給量、及び
、ろ過膜でのろ過効率を、モジュール群Ａ夫々に均等に
維持でき、総合的に固液分離における管理を容易に行え
るようになった。Furthermore, in order to apply fluidization to the plurality of module groups using rotary blades in addition to fluidization of the water to be treated by the aeration device, for example, as shown in FIG. It is also conceivable to determine a movement flow path R, arrange a plurality of module groups A along the flow direction in the movement flow path R, and provide only one rotor blade 7 upstream of the module group A. In this case, not only is the pressure loss in the flow path R large and a large-capacity rotary blade drive device M is required,
Since the flow resistance at the arrangement part of each module group A is different, the water level in each module group A is different, and as a result, each module group A
The water pressure applied to the aeration device 3 installed below and the water pressure acting on the filtration membrane module 2 are different, and the filtration membrane module 2 at a location where the water level is higher than the other locations has a higher filtration efficiency due to the higher water pressure, but On the other hand, there is a drawback that the amount of air supplied by the aeration device 3 is reduced and the cleaning effect on the membrane surface is reduced.However, in the present invention, each module group A is provided with a rotor blade 7, thereby reducing pressure loss. In addition to being able to rotate the rotor blades with a small driving force, since each module group A is provided with a rotor blade 7 independently, the amount of air supplied by the aeration device 3 and filtration can be adjusted without any fluctuation in water level. The filtration efficiency of the membrane can be maintained equally in each module group A, making it easier to comprehensively manage solid-liquid separation.
【００１２】更に、第１又は第２の発明における回転翼
の駆動モータを、生物処理槽内に配置してある場合には
、駆動モータから発生するジュール熱が被処理液に与え
られ、被処理液はジュール熱によって昇温して粘性が低
下する。Furthermore, when the drive motor for the rotary blade in the first or second aspect of the invention is placed in the biological treatment tank, the Joule heat generated from the drive motor is applied to the liquid to be treated. The temperature of the liquid increases due to Joule heat and the viscosity decreases.
【００１３】その結果は、特に冬期等の液の粘性の高く
なる時期等でも、被処理液の粘性を下げて、ろ過膜モジ
ュールでのろ過抵抗を少なくしてろ過効率を向上させる
ことができる。[0013] As a result, the viscosity of the liquid to be treated can be lowered, the filtration resistance in the filtration membrane module can be reduced, and the filtration efficiency can be improved, especially in seasons such as winter when the viscosity of the liquid is high.
【００１４】その上、回転翼で細分化される曝気装置か
らの気泡は、生物処理槽表面を覆って保温層を形成しや
すくなっているために、駆動モータによる加温効果をよ
り良好に維持できる。Furthermore, the air bubbles from the aeration device, which are fragmented by the rotary blades, easily cover the surface of the biological treatment tank and form a heat-insulating layer, allowing the heating effect of the drive motor to be maintained better. can.
【００１５】[0015]
【実施例】次に、本発明を、図面に基づいて説明する。
図１に示すように、生物処理槽１内の被処理水を固液分
離するろ過膜モジュール２を、複数等間隔に横方向に並
設してモジュール群Ａを形成し、生物処理槽１内にモジ
ュール群を複数、横に並べて浸漬状態で設けると共に、
曝気装置３を設け、ろ過膜モジュール２からのろ液を生
物処理槽１の外方に取出すろ液回収路４を設け、生物処
理槽１に原水を供給するための原水供給路５を設けてあ
る水処理装置を構成してある。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be explained based on the drawings. As shown in FIG. 1, a plurality of filtration membrane modules 2 for solid-liquid separation of the water to be treated in the biological treatment tank 1 are arranged horizontally at equal intervals to form a module group A. In addition to installing a plurality of module groups side by side in an immersed state,
An aeration device 3 is provided, a filtrate recovery path 4 is provided to take out the filtrate from the filtration membrane module 2 to the outside of the biological treatment tank 1, and a raw water supply path 5 is provided to supply raw water to the biological treatment tank 1. A water treatment device is configured.
【００１６】前記モジュール群Ａ夫々は、その横側全周
を囲繞する無底筒状のケーシング６内に内装してあり、
そのケーシング６内でモジュール群Ａの下方夫々には、
曝気装置３の散気管３Ａと、ろ過膜モジュール２に向け
て被処理水を機械的に流動させる流動装置としての回転
翼７とを配設し、曝気装置３のブロワーＢからの供給空
気が散気管３Ａからバブリングされることによって、エ
アーリフト作用と気泡による乱流作用及び振動作用で膜
外面の洗浄を行わせるようにしてあり、また回転翼７に
よる被処理水の流動作用及び気泡の細分化作用によって
、さらに、膜外面の洗浄を効果的に行わせられるように
構成してある。Each of the module groups A is housed in a bottomless cylindrical casing 6 surrounding the entire lateral circumference thereof,
Inside the casing 6, below each of the module groups A,
An aeration pipe 3A of the aeration device 3 and a rotary blade 7 as a flow device that mechanically flows the water to be treated toward the filtration membrane module 2 are arranged, and the air supplied from the blower B of the aeration device 3 is diffused. By bubbling from the trachea 3A, the outer surface of the membrane is cleaned by the air lift effect, the turbulent flow effect by the bubbles, and the vibration effect, and the flow effect of the water to be treated by the rotary blade 7 and the fragmentation of the bubbles. The structure is such that the outer surface of the membrane can be effectively cleaned by the action.
【００１７】前記ろ過膜モジュール２は、塩ビの支持フ
レームにポリオレフィンから成る有機質ろ過膜を帖設し
た平膜形式のものから形成してあり、この板状のろ過膜
モジュール２の複数を、上下に垂下させた姿勢で横に並
べ、上方に引き出せるようにケーシング６に着脱自在に
固定してある。従って、ろ過膜モジュール２を一枚一枚
上方に引き抜いて個々に手洗いや交換ができる。The filtration membrane module 2 is formed of a flat membrane type in which an organic filtration membrane made of polyolefin is mounted on a PVC support frame, and a plurality of the plate-shaped filtration membrane modules 2 are arranged vertically. They are arranged side by side in a hanging position and are detachably fixed to the casing 6 so that they can be pulled out upwards. Therefore, the filtration membrane modules 2 can be pulled upward one by one for hand washing or replacement.
【００１８】前記ケーシング６は、上下２分割自在に形
成してあり、下部ケーシング部分６Ｂに散気管３Ａと、
回転翼７及びその回転駆動モータＭを取付けて、生物処
理槽１の底に定置できるように形成してあり、下部ケー
シング部分６Ｂの上端部に載置する上部ケーシング部分
６Ａには、複数のろ過膜モジュール２を取付けて、下部
ケーシング部分６Ｂとは別に、上部ケーシング６Ａ部分
を取出して、ろ過膜モジュール２をメンテナンス等のた
めに生物処理槽１外方に取出せるように構成してある。The casing 6 is formed so that it can be divided into upper and lower parts, and the lower casing part 6B has an air diffuser pipe 3A,
The rotary blade 7 and its rotary drive motor M are attached and formed so that it can be placed at the bottom of the biological treatment tank 1, and the upper casing part 6A placed on the upper end of the lower casing part 6B has a plurality of filters. After the membrane module 2 is attached, the upper casing 6A portion is taken out separately from the lower casing portion 6B, and the filtration membrane module 2 can be taken out of the biological treatment tank 1 for maintenance or the like.
【００１９】前記原水供給路５からは、家庭排水や下水
等が生物処理槽１内に投入され、生物処理槽１内で活性
汚泥と混合されて被処理水となる。From the raw water supply channel 5, domestic wastewater, sewage, etc. are introduced into the biological treatment tank 1, where they are mixed with activated sludge to become treated water.
【００２０】そして、前記生物処理槽１内にはブロワー
Ｂによってエアーが供給される前記散気管３Ａの他に、
被処理水中における活性汚泥の活性化のための専用のブ
ロワーＢ’及び散気管３Ａ’を備えた曝気装置３’を設
けてあり、ろ過膜モジュール２洗浄のために被処理水を
流動させる散気管３Ａからのエアー吹込量では、生物処
理のための酸素供給量として不足する場合に、前記専用
の散気管３Ａ’から被処理水中のＢＯＤ濃度に応じてエ
アーを吹込供給して、十分な酸素含有気体を、被処理水
に送り込めるように構成してある。[0020] In addition to the aeration pipe 3A to which air is supplied by the blower B, the biological treatment tank 1 includes:
An aeration device 3' equipped with a dedicated blower B' and an aeration pipe 3A' for activating activated sludge in the water to be treated is provided, and an aeration system 3' for flowing the water to be treated for cleaning the filtration membrane module 2. When the amount of air blown from 3A is insufficient for oxygen supply for biological treatment, air is blown and supplied from the dedicated aeration pipe 3A' according to the BOD concentration in the water to be treated to ensure sufficient oxygen content. It is configured so that gas can be sent into the water to be treated.
【００２１】前記回転翼７の駆動モータＭは、夫々防水
状態で生物処理槽１内に浸漬させてあり、その駆動モー
タＭから発生するジュール熱が、被処理液の粘性を低下
させる働きがある。The drive motors M of the rotary blades 7 are each immersed in the biological treatment tank 1 in a waterproof state, and the Joule heat generated from the drive motors M serves to reduce the viscosity of the liquid to be treated. .
【００２２】前記ろ液回収路４には吸引ポンプＰを設け
て、ろ過膜モジュール２内を減圧して生物処理槽内の被
処理液から清浄なろ過水のみをろ過して回収できるよう
に構成してある。A suction pump P is provided in the filtrate recovery path 4 to reduce the pressure inside the filtration membrane module 2 so that only clean filtrate water can be filtered and recovered from the liquid to be treated in the biological treatment tank. It has been done.
【００２３】〔別実施例〕前記回転翼７に代えてポンプ
であってもよく、それらを流動装置と総称する。[Another Embodiment] A pump may be used instead of the rotary blade 7, and these are collectively referred to as a fluidizing device.
【００２４】前記モジュール群Ａは生物処理槽１内に１
個、又は複数個設置してあってもよく、ろ過膜モジュー
ル２は、有機質の平膜形式のもの以外に、無機質のチュ
ーブ状のものであってもよい。The module group A includes one module in the biological treatment tank 1.
The filtration membrane module 2 may be an inorganic tube-shaped one in addition to an organic flat membrane type one.
【００２５】前記モジュール群Ａ夫々の下方に配置する
散気管３Ａと回転翼７は、どちらが上位に配置してあっ
てもよい。[0025] The diffuser pipe 3A and the rotor blade 7 disposed below each of the module groups A may be disposed higher.
【００２６】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。[0026]Although reference numerals are written in the claims for convenience of comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
【図１】本発明の概略図FIG. 1: Schematic diagram of the present invention
【図２】比較例を示す概略図[Figure 2] Schematic diagram showing a comparative example
１ 生物処理槽 ２ ろ過膜モジュール ３ 曝気装置 ４ ろ液回収路 ７ 回転翼 Ａ モジュール群 Ｍ 駆動モータ 1 Biological treatment tank 2 Filtration membrane module 3 Aeration device 4 Filtrate collection path 7 Rotor blade A Module group M Drive motor
Claims (4)
）を設けると共に、前記生物処理槽（１）内の被処理水
を固液分離する複数のろ過膜モジュール（２）を設け、
前記ろ過膜モジュール（２）からのろ液を前記生物処理
槽（１）の外方に取り出すろ液回収路（４）を設けてあ
る水処理装置であって、前記ろ過膜モジュール（２）の
下方に、前記曝気装置（３）を配置すると共に、前記ろ
過膜モジュール（２）に接している流体に機械的に流動
力を与える流動装置（７）を設けてある水処理装置。[Claim 1] An aeration device (3) is installed in the biological treatment tank (1).
) and a plurality of filtration membrane modules (2) for solid-liquid separation of the water to be treated in the biological treatment tank (1),
A water treatment device provided with a filtrate recovery path (4) for taking out the filtrate from the filtration membrane module (2) to the outside of the biological treatment tank (1), A water treatment device in which the aeration device (3) is disposed below, and a flow device (7) that mechanically applies a fluid force to the fluid in contact with the filtration membrane module (2) is provided.
求項１記載の水処理装置。2. The water treatment device according to claim 1, wherein the flow device (7) is a rotary blade.
分離するろ過膜モジュール（２）を、複数横方向に並設
してモジュール群（Ａ）を形成し、前記生物処理槽（１
）内に、前記モジュール群（Ａ）を複数設けると共に、
曝気装置（３）を設け、前記ろ過膜モジュール（２）か
らのろ液を前記生物処理槽（１）の外方に取り出すろ液
回収路（４）を設けてある水処理装置であって、前記モ
ジュール群（Ａ）の下方夫々に、前記曝気装置（３）を
配置すると共に、前記ろ過膜モジュール（２）に向けて
被処理水を流動させる回転翼（７）を設けてある水処理
装置。3. A module group (A) is formed by arranging a plurality of filtration membrane modules (2) for solid-liquid separation of the water to be treated in the biological treatment tank (1) in the horizontal direction, and (1
), a plurality of the module groups (A) are provided, and
A water treatment device provided with an aeration device (3) and a filtrate recovery path (4) for taking out the filtrate from the filtration membrane module (2) to the outside of the biological treatment tank (1), A water treatment device in which the aeration device (3) is disposed below each of the module group (A), and rotary blades (7) for flowing the water to be treated toward the filtration membrane module (2) are provided. .
を、前記生物処理槽（１）内に配置してある請求項２又
は３記載の水処理装置。4. A drive motor (M) for the rotary blade (7).
The water treatment apparatus according to claim 2 or 3, wherein the biological treatment tank (1) includes: a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3011270A JPH04247288A (en) | 1991-01-31 | 1991-01-31 | Water treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3011270A JPH04247288A (en) | 1991-01-31 | 1991-01-31 | Water treating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04247288A true JPH04247288A (en) | 1992-09-03 |
Family
ID=11773285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3011270A Pending JPH04247288A (en) | 1991-01-31 | 1991-01-31 | Water treating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04247288A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003093849A (en) * | 2001-09-27 | 2003-04-02 | Yuasa Corp | Immersion type membrane filter device |
| JPWO2002064240A1 (en) * | 2001-02-16 | 2004-06-10 | 東レ株式会社 | Separation membrane, separation membrane element, separation membrane module, sewage treatment apparatus, and method for producing separation membrane |
| JP2008049248A (en) * | 2006-08-24 | 2008-03-06 | Kubota Corp | Membrane separation tank and operation method |
| JP2009060630A (en) * | 2001-08-27 | 2009-03-19 | Panasonic Corp | Radio communication apparatus and radio communication method |
| WO2012099140A1 (en) * | 2011-01-20 | 2012-07-26 | 株式会社クボタ | Membrane separation equipment and membrane separation device and operating method for membrane separation equipment |
| JP2012176396A (en) * | 2010-11-30 | 2012-09-13 | Jfe Engineering Corp | Membrane separation activated sludge apparatus |
-
1991
- 1991-01-31 JP JP3011270A patent/JPH04247288A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2002064240A1 (en) * | 2001-02-16 | 2004-06-10 | 東レ株式会社 | Separation membrane, separation membrane element, separation membrane module, sewage treatment apparatus, and method for producing separation membrane |
| US9649602B2 (en) | 2001-02-16 | 2017-05-16 | Toray Industries, Inc. | Method of sewage treatment and sewage treatment apparatus |
| JP2009060630A (en) * | 2001-08-27 | 2009-03-19 | Panasonic Corp | Radio communication apparatus and radio communication method |
| JP4693885B2 (en) * | 2001-08-27 | 2011-06-01 | パナソニック株式会社 | Wireless communication method and wireless communication device |
| JP2003093849A (en) * | 2001-09-27 | 2003-04-02 | Yuasa Corp | Immersion type membrane filter device |
| JP2008049248A (en) * | 2006-08-24 | 2008-03-06 | Kubota Corp | Membrane separation tank and operation method |
| JP2012176396A (en) * | 2010-11-30 | 2012-09-13 | Jfe Engineering Corp | Membrane separation activated sludge apparatus |
| WO2012099140A1 (en) * | 2011-01-20 | 2012-07-26 | 株式会社クボタ | Membrane separation equipment and membrane separation device and operating method for membrane separation equipment |
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