JPH0957075A - Membrane separation device - Google Patents
Membrane separation deviceInfo
- Publication number
- JPH0957075A JPH0957075A JP22012595A JP22012595A JPH0957075A JP H0957075 A JPH0957075 A JP H0957075A JP 22012595 A JP22012595 A JP 22012595A JP 22012595 A JP22012595 A JP 22012595A JP H0957075 A JPH0957075 A JP H0957075A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- box
- opening
- membrane module
- cleaning
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水処理装置の膜分
離処理や純水装置等における膜分離装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a membrane separation process for a water treatment device and a membrane separation device for a pure water device.
【０００２】[0002]
【従来の技術】図６に従来の膜分離装置の構造の一例を
示す。図６中、符号０１は槽本体、０２は処理原水、０
３は膜モジュール、０４は散気管、０５は処理水、０６
は送風機及び０７は洗浄タンクを各々図示する。2. Description of the Related Art FIG. 6 shows an example of the structure of a conventional membrane separation device. In FIG. 6, reference numeral 01 is the tank main body, 02 is the treated raw water, 0
3 is a membrane module, 04 is an air diffuser, 05 is treated water, 06
A blower and a cleaning tank 07 are shown respectively.
【０００３】従来、膜機能を長期間に亙って維持するた
め、膜モジュール０５を処理原水中から取り出し、洗浄
タンク０７に移動後、水流、薬品等による機械的又は化
学的による膜面を洗浄することを必要としている。Conventionally, in order to maintain the membrane function for a long period of time, the membrane module 05 is taken out from the treated raw water, moved to the washing tank 07, and then the membrane surface is mechanically or chemically cleaned by water flow, chemicals, etc. Need to do.
【０００４】[0004]
【発明が解決しようとする課題】ところで、膜を長期間
運転するに際して、水若しくは薬品で洗浄するのは、必
要不可欠である。By the way, when the membrane is operated for a long time, it is indispensable to wash it with water or chemicals.
【０００５】しかし、従来の洗浄作業は人手に頼ってお
り、膜モジュール０３の膜を洗浄するのは不衛生でもあ
る。However, the conventional cleaning work relies on human labor, and cleaning the membrane of the membrane module 03 is unsanitary.
【０００６】また、薬品により洗浄する場合は別途設け
た洗浄タンク０７まで膜モジュール０３を人手により移
送しなけらばならず、不衛生であると共に、移動の手間
がかかり、さらに洗浄タンク０７の設置スペース等が必
要となり、問題がある。In the case of cleaning with a chemical, the membrane module 03 must be manually transferred to a separately provided cleaning tank 07, which is unsanitary and time-consuming to move, and the cleaning tank 07 is installed. There is a problem because it requires space.
【０００７】本発明は、膜の洗浄を人手によらず、衛生
的に行うことができると共に、膜洗浄タンクへの膜の移
動を不要とし、且つ装置全体がコンパクト化となる膜分
離装置を提供することを目的とする。The present invention provides a membrane separation apparatus which can clean the membrane hygienically without human labor, does not require the movement of the membrane to the membrane cleaning tank, and is compact in size. The purpose is to do.
【０００８】[0008]
【課題を解決するための手段】前記目的を達成する本発
明の膜分離装置の構成は、槽内に開口を設けた箱を設置
し、該箱内部に膜モジュールを配設し、上記開口は単数
若しくは複数設け、それぞれ単独又は同時に開閉自在と
したことを特徴とする。[Means for Solving the Problems] The structure of the membrane separation apparatus of the present invention for achieving the above object is such that a box having an opening is installed in a tank, a membrane module is arranged inside the box, and the opening is It is characterized in that a single piece or a plurality of pieces are provided and can be opened and closed individually or simultaneously.
【０００９】上記膜分離装置において、上記箱内部の膜
モジュール下方に散気管を設けてなることを特徴とす
る。The membrane separation device is characterized in that an air diffuser is provided below the membrane module inside the box.
【００１０】[0010]
【発明の実施の形態】以下、本発明を実施する実施の形
態例を図に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は本発明の膜分離装置の一例を示す構
成図、図２は他の一例を示す構成図である。ここで、符
号１１は槽（タンク）、１２は処理原水、１３は膜モジ
ュール、１４は散気管、１５は処理水、１６は送風機、
１７は膜装置箱、１８−１，１８−２は下部・上部開閉
装置及び１９は置換液体を各々図示する。FIG. 1 is a block diagram showing an example of the membrane separation apparatus of the present invention, and FIG. 2 is a block diagram showing another example. Here, reference numeral 11 is a tank, 12 is treated raw water, 13 is a membrane module, 14 is an air diffuser, 15 is treated water, 16 is a blower,
Reference numeral 17 is a membrane device box, 18-1 and 18-2 are lower / upper opening / closing devices, and 19 is a replacement liquid.
【００１２】図１に示すように、処理原水１２満たして
いる槽（タンク）１１内に下部・上部開閉装置１８−
１，１８−２を設けた膜装置箱１７を設置し、該箱１７
内部に膜モジュール１３及び該モジュール１３の下方に
散気管１４を設け、膜モジュール１３の洗浄時に処理原
水より軽比重の置換液体１９を膜装置箱１７内に流入
し、内部の液体が前記置換された時点で、開閉装置１８
−１，１８−２を閉鎖して洗浄を行う。As shown in FIG. 1, a lower / upper opening / closing device 18- is provided in a tank 11 which is filled with treated raw water 12.
The membrane device box 17 provided with 1, 18-2 is installed, and the box 17
A membrane module 13 and an air diffusing pipe 14 below the module 13 are provided inside, and when the membrane module 13 is washed, a replacement liquid 19 having a light specific gravity from the treated raw water flows into the membrane device box 17 to replace the inside liquid. Switchgear 18
-1 and 18-2 are closed and washing is performed.
【００１３】上記置換液体１９は、処理原水１２より比
重の軽い水又は化学薬品（洗浄用洗剤）で、該液体によ
り膜モジュール１３の表面を洗浄するものである。The replacement liquid 19 is water or a chemical agent (cleaning detergent) having a lower specific gravity than the treated raw water 12, and cleans the surface of the membrane module 13 with the liquid.
【００１４】上記膜装置箱１７は、槽（タンク）１１の
内部に設置されるが、図１に示すように、上方を開放し
てもあるいは、図２に示すように、上方を閉塞していて
も、いずれのものであってもよい。The membrane device box 17 is installed inside the tank 11. The upper part of the membrane device box 17 may be open as shown in FIG. 1 or may be closed as shown in FIG. Alternatively, any one may be used.
【００１５】下部開閉装置１８−１及び上部開閉装置１
８−２の数量は、特に限定されるものではないが、膜装
置箱１７の下端部と上端部とに設置するようにする。Lower opening / closing device 18-1 and upper opening / closing device 1
The number of 8-2 is not particularly limited, but it is set at the lower end and the upper end of the membrane device box 17.
【００１６】ただし、図１に示したような開放タイプの
場合には、処理原水１２の液面位置となるようにするの
が好ましく、散気管１４による曝気により生ずる上昇流
を妨げないように開口位置を配置するようにする。However, in the case of the open type as shown in FIG. 1, it is preferable to set it at the liquid level position of the treated raw water 12, and the opening is made so as not to prevent the upward flow generated by the aeration by the diffuser pipe 14. Try to position it.
【００１７】［作用］水槽１１内に箱を設置する為、従
来のように洗浄タンクの場所及び洗浄時の膜モジュール
の引上げが不要となる。下部開閉装置１８−１及び上部
開閉装置１８−２を設けることにより、水槽１１内での
液体の置換をすることができる。[Operation] Since the box is installed in the water tank 11, it is not necessary to place the washing tank and pull up the membrane module at the time of washing as in the conventional case. By providing the lower opening / closing device 18-1 and the upper opening / closing device 18-2, the liquid in the water tank 11 can be replaced.
【００１８】＜運転状態＞運転状態を図１及び図２を用
いて説明する。処理原水１２を処理する場合は、送風機
１６により、膜装置箱１７の内部に設けた散気管１４に
より空気を散気し、該空気の上昇流により処理原水１２
の膜装置箱１７内の循環流を形成する。また、下部開閉
装置１８−１，上部開閉装置１８−２を両方開くとして
おくことにより、下部開閉装置１８−１から上部開閉装
置１８−２へと処理原水１２の流れが形成される。<Operating State> The operating state will be described with reference to FIGS. 1 and 2. When the treated raw water 12 is treated, air is diffused by the blower 16 by the diffuser pipe 14 provided inside the membrane device box 17, and the treated raw water 12 is generated by the rising flow of the air.
To form a circulating flow in the membrane device box 17 of FIG. Further, by opening both the lower opening / closing device 18-1 and the upper opening / closing device 18-2, a flow of the treated raw water 12 is formed from the lower opening / closing device 18-1 to the upper opening / closing device 18-2.
【００１９】＜膜洗浄状態＞上部開閉装置１８−２を
「閉」、下部開閉装置１８−１を「開」とし、処理原水
１２と置換する置換液体（水又は薬品等）１９を膜装置
箱１７の上部から注入する。前記箱内部が置換液体に置
換された時点で、下部開閉装置１８−１を「閉」とす
る。<Membrane Cleaning State> The upper opening / closing device 18-2 is set to “closed”, the lower opening / closing device 18-1 is set to “open”, and the replacement liquid (water or chemicals, etc.) 19 that replaces the raw raw water 12 is placed in the membrane device box. Inject from the top of 17. When the inside of the box is replaced with the replacement liquid, the lower opening / closing device 18-1 is closed.
【００２０】膜装置箱１７内に置換液体１９が満たされ
た状態において、膜モジュール１３の表面は化学的な洗
浄効果を得ることができる。When the replacement liquid 19 is filled in the membrane device box 17, the surface of the membrane module 13 can be chemically cleaned.
【００２１】次に、開閉装置が単数の場合の例を図３に
示す。この開閉装置２１はシャッタ状の装置であり、膜
装置箱１７の側面に上方方向にスリットを上下方向に塞
ぐように設けられている。該開閉装置２１は、前述した
開閉装置１８−１，１８−２の開口を単一としたタイプ
であり、運転時は全開することによって、上部下部開閉
装置１８−１，１８−２の全開の役割を果たし、洗浄時
には、開閉装置２１を九割程度閉鎖し、下部の一割り程
度のみを開放することにより、液体置換時の複数の開閉
装置１８−１，１８−２を設けた時の上部を「閉」，下
部を「開」ととしたのと同等の効果（状態）が得られ
る。但し、上記開閉装置２１は１換液体１９の比重が処
理原水１２より軽い場合のみ適用できる。Next, FIG. 3 shows an example in the case of a single switchgear. The opening / closing device 21 is a shutter-like device, and is provided on the side surface of the membrane device box 17 so as to close the slits in the upward direction and in the vertical direction. The opening / closing device 21 is of a type in which the openings of the opening / closing devices 18-1 and 18-2 described above are single, and is fully opened during operation to fully open the upper and lower opening / closing devices 18-1 and 18-2. It plays a role and closes 90% of the opening / closing device 21 at the time of cleaning and opens only about 10% of the lower part of the opening / closing device 21 to provide an upper part when a plurality of opening / closing devices 18-1 and 18-2 for liquid replacement are provided. The same effect (state) as when "closed" and "opened" is obtained. However, the opening / closing device 21 can be applied only when the specific gravity of the conversion liquid 19 is lighter than the treated raw water 12.
【００２２】該開閉装置は板状のもの、又ははロールシ
ャッター状のもの等とするのがよいが、いずれのものも
開閉装置２１を上方に引き揚げることにより前記スリッ
ト下方に開口部を生じるものであればよい。The opening / closing device is preferably in the form of a plate or in the form of a roll shutter, but any of them has an opening below the slit when the opening / closing device 21 is pulled upward. I wish I had it.
【００２３】また、運転及び洗浄時において、図４及び
図５に示す洗浄機構を併用することにより、更に洗浄効
果を高めることができる。Further, the cleaning effect can be further enhanced by using the cleaning mechanism shown in FIGS. 4 and 5 at the time of operation and cleaning.
【００２４】図４、５に示す実施例は、膜モジュール２
の表面の付着物を物理的に除去するための装置である。The embodiment shown in FIGS. 4 and 5 is a membrane module 2.
It is a device for physically removing the deposits on the surface of the.
【００２５】図４中、符号３１は膜モジュール１３を構
成する膜エレメント、３２は車のワイパのような挙動を
する掻きベラを図示する。上記掻きベラ３２は、揺動手
段等の駆動装置３３によって、前記膜エレメント３１の
表面に接触しながらスライドして表面に付着した付着物
を除去する。In FIG. 4, reference numeral 31 is a membrane element that constitutes the membrane module 13, and 32 is a scraper that behaves like a vehicle wiper. The scraping spatula 32 is slid while contacting the surface of the membrane element 31 by a driving device 33 such as an oscillating means, and removes the deposits adhering to the surface.
【００２６】図５においては、膜エレメント３１の表面
に所定の間隔を設けて設置された散水管３４内の圧縮さ
れたスプレー用流体３６をノズル３５から噴出し、膜モ
ジュール１３の付着物を噴出流で洗い落とす機構であ
る。In FIG. 5, the compressed spray fluid 36 in the sprinkler pipe 34 provided on the surface of the membrane element 31 at a predetermined interval is ejected from the nozzle 35, and the deposits on the membrane module 13 are ejected. It is a mechanism to wash off with a flow.
【００２７】以上の物理的に付着物を除去する装置は、
掻きベラ３２による洗浄の場合は、運転時及び洗浄時の
いずれも併用が可能である。また、ノズル３５による洗
浄の場合は、洗浄時のみ併用が可能である。The above-mentioned apparatus for physically removing deposits is
In the case of cleaning with the scraping spatula 32, it is possible to use both during operation and during cleaning. Further, in the case of cleaning with the nozzle 35, it can be used together only during cleaning.
【００２８】また、上記洗浄方法の他に、膜エレメント
の間の流路に設けた送風ブロアからの空気を送り込む散
気口有する膜面洗浄装置を設けて処理する方法等もあ
る。In addition to the above-mentioned cleaning method, there is also a method in which a film surface cleaning device having an air diffuser for supplying air from a blower provided in a flow path between the membrane elements is provided for treatment.
【００２９】[0029]
【発明の効果】以上述べたように、本発明によれば、膜
洗浄等の不衛生な作業がすべて不要になり、さらに槽外
における洗浄装置、洗浄タンク等のスペースが必要ない
為、設置スペースの縮小化が可能となる。As described above, according to the present invention, all the unsanitary work such as membrane cleaning is unnecessary, and the space for the cleaning device, the cleaning tank, etc. outside the tank is not required, so that the installation space is reduced. Can be reduced.
【図１】本発明の実施例の膜分離装置の構成図である。FIG. 1 is a configuration diagram of a membrane separation device according to an embodiment of the present invention.
【図２】本発明の実施例の他の膜分離装置の構成図であ
る。FIG. 2 is a configuration diagram of another membrane separation device according to an embodiment of the present invention.
【図３】膜分離装置の単数開閉装置の概略図である。FIG. 3 is a schematic view of a single opening / closing device of the membrane separation device.
【図４】本発明の物理的洗浄機構の一例である。FIG. 4 is an example of a physical cleaning mechanism of the present invention.
【図５】本発明の物理的洗浄機構の他の一例である。FIG. 5 is another example of the physical cleaning mechanism of the present invention.
【図６】従来の膜分離装置の構成図である。FIG. 6 is a configuration diagram of a conventional membrane separation device.
１１ 槽（タンク） １２ 処理原水 １３ 膜モジュール １４ 散気管 １５ 処理水 １６ 送風機 １７ 膜装置箱 １８−１，１８−２ 下部・上部開閉装置 １９ 置換液体 11 Tank (Tank) 12 Treated Raw Water 13 Membrane Module 14 Diffuser 15 Treated Water 16 Blower 17 Membrane Device Box 18-1, 18-2 Lower / Upper Switchgear 19 Displacement Liquid
Claims (2)
部に膜モジュールを配設し、上記開口は単数若しくは複
数設け、それぞれ単独又は同時に開閉自在としたことを
特徴とする膜分離装置。1. A membrane characterized in that a box having an opening is provided in a tank, a membrane module is provided inside the box, and a single or a plurality of the openings are provided, each of which can be opened or closed independently or simultaneously. Separation device.
とを特徴とする膜分離装置。2. The membrane separation apparatus according to claim 1, wherein an air diffuser is provided below the membrane module inside the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22012595A JPH0957075A (en) | 1995-08-29 | 1995-08-29 | Membrane separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22012595A JPH0957075A (en) | 1995-08-29 | 1995-08-29 | Membrane separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0957075A true JPH0957075A (en) | 1997-03-04 |
Family
ID=16746308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22012595A Pending JPH0957075A (en) | 1995-08-29 | 1995-08-29 | Membrane separation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0957075A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011173A (en) * | 2009-07-03 | 2011-01-20 | Meidensha Corp | Filter membrane module cleaning method and cleaning apparatus |
| CN102649600A (en) * | 2011-02-25 | 2012-08-29 | 四川久润环保科技有限公司 | Online-cleaning MBR (Membrane Bioreactor) membrane set device |
| CN102815803A (en) * | 2012-08-20 | 2012-12-12 | 东莞市豪丰环保工程有限公司 | Electroplating wastewater system for on-line cleaning of membrane separation assembly and process thereof |
| KR101363662B1 (en) * | 2013-10-18 | 2014-02-24 | 대림산업 주식회사 | High efficiency submerged membrane tank integrated with coagulation-semdimentation process |
| KR101390035B1 (en) * | 2012-10-16 | 2014-04-29 | 주식회사 효성 | Fouling alleviation system of the submerged membrane |
| DE102015107455B3 (en) * | 2015-05-12 | 2016-06-09 | Vovo-Tec Gmbh | Method for dry cleaning a dipped membrane filter and device for using the method |
-
1995
- 1995-08-29 JP JP22012595A patent/JPH0957075A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011011173A (en) * | 2009-07-03 | 2011-01-20 | Meidensha Corp | Filter membrane module cleaning method and cleaning apparatus |
| CN102470325A (en) * | 2009-07-03 | 2012-05-23 | 株式会社明电舍 | Filter membrane module cleaning method and cleaning apparatus |
| KR101415678B1 (en) * | 2009-07-03 | 2014-08-05 | 메이덴샤 코포레이션 | Membrane separation activated sewage treatment method and treatment device |
| CN102649600A (en) * | 2011-02-25 | 2012-08-29 | 四川久润环保科技有限公司 | Online-cleaning MBR (Membrane Bioreactor) membrane set device |
| CN102815803A (en) * | 2012-08-20 | 2012-12-12 | 东莞市豪丰环保工程有限公司 | Electroplating wastewater system for on-line cleaning of membrane separation assembly and process thereof |
| KR101390035B1 (en) * | 2012-10-16 | 2014-04-29 | 주식회사 효성 | Fouling alleviation system of the submerged membrane |
| KR101363662B1 (en) * | 2013-10-18 | 2014-02-24 | 대림산업 주식회사 | High efficiency submerged membrane tank integrated with coagulation-semdimentation process |
| DE102015107455B3 (en) * | 2015-05-12 | 2016-06-09 | Vovo-Tec Gmbh | Method for dry cleaning a dipped membrane filter and device for using the method |
| WO2016180628A1 (en) | 2015-05-12 | 2016-11-17 | Vovo-Tec Gmbh | Method for chemical cleaning of an immersed membrane filter and device for application of the method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20020326 |