JPH0985065A - Membrane separation treatment apparatus - Google Patents
Membrane separation treatment apparatusInfo
- Publication number
- JPH0985065A JPH0985065A JP24928095A JP24928095A JPH0985065A JP H0985065 A JPH0985065 A JP H0985065A JP 24928095 A JP24928095 A JP 24928095A JP 24928095 A JP24928095 A JP 24928095A JP H0985065 A JPH0985065 A JP H0985065A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- water tank
- raw water
- module
- raw
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 167
- 238000000926 separation method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 9
- 231100000719 pollutant Toxicity 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000005406 washing Methods 0.000 abstract description 13
- 238000005273 aeration Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 239000000356 contaminant Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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、水処理装置におい
て、膜原水から汚濁物質を分離するのに膜モジュールを
用いた膜分離処理装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment apparatus, which uses a membrane module to separate pollutants from raw membrane water.
【０００２】[0002]
【従来の技術】図３に示すように汚濁物質を分離する為
に膜モジュール２を膜原水槽（曝気槽）８内に設置した
膜分離処理装置ではその膜モジュール２の下部に散気管
９を設け、曝気することにより膜原水槽（曝気槽）８内
に流れを与え、膜表面に付着した濾過物を洗浄する効果
を得ていた。2. Description of the Related Art As shown in FIG. 3, in a membrane separation treatment apparatus in which a membrane module 2 is installed in a membrane raw water tank (aeration tank) 8 for separating pollutants, an air diffuser 9 is provided below the membrane module 2. By providing and aerating, a flow is given into the membrane raw water tank (aeration tank) 8 to obtain the effect of cleaning the filtered substance adhering to the membrane surface.
【０００３】一方、膜モジュール２を薬品等により洗浄
する場合は、膜原水槽（曝気槽）８の外へ膜モジュール
２を取り出し、人手による洗浄を行っていた為に不衛生
であった。On the other hand, when the membrane module 2 is washed with chemicals or the like, it is unsanitary because the membrane module 2 is taken out of the raw membrane water tank (aeration tank) 8 and manually washed.
【０００４】[0004]
【発明が解決しようとする課題】前記したように、膜モ
ジュールを用いた従来の膜分離処理装置では、膜モジュ
ール２を曝気槽８内に直接設置している為、膜モジュー
ル２を薬品等で膜洗浄する場合、膜モジュール２を膜原
水槽８外に取り出し、人手による洗浄や、別に設置した
洗浄用のタンクに移送し、洗浄しなければならなかっ
た。As described above, in the conventional membrane separation treatment apparatus using the membrane module, the membrane module 2 is directly installed in the aeration tank 8, so that the membrane module 2 can be exposed to chemicals or the like. In the case of membrane cleaning, the membrane module 2 had to be taken out of the membrane raw water tank 8 and manually washed, or transferred to a separately installed tank for washing and washed.
【０００５】そこで本発明は、膜原水から汚濁物質を分
離するための膜モジュールを用いた膜分離処理装置にお
いて、膜モジュールを膜原水槽（曝気槽）外へ取り出す
ことなく、しかも人手によらないで薬品等による洗浄を
行えるようにした膜分離処理装置を提供することを課題
としている。In view of this, the present invention is a membrane separation treatment apparatus using a membrane module for separating pollutants from raw membrane water, without taking the membrane module out of the raw membrane water tank (aeration tank) and without human labor. It is an object of the present invention to provide a membrane separation treatment device capable of cleaning with chemicals or the like.
【０００６】[0006]
【課題を解決するための手段】本発明は、膜原水から汚
濁物質を分離する膜モジュールを用いた膜分離処理装置
における前記課題を解決するため、膜モジュールを内部
に収納すると共に内部に膜原水を流出入させるように構
成した膜水槽を設けた構成を採用する。In order to solve the above-mentioned problems in a membrane separation treatment apparatus using a membrane module for separating pollutants from membrane raw water, the present invention accommodates the membrane module inside the membrane raw water. Adopting a configuration provided with a membrane water tank configured to flow in and out.
【０００７】本発明で用いる前記膜水槽としては、散気
管を底部に設けた膜原水槽と別に設置し、その膜原水槽
から膜原水の供給を受けてその膜原水が膜水槽内を循環
して流れるように構成することができる。The membrane water tank used in the present invention is installed separately from the membrane raw water tank having an air diffusing pipe at the bottom, and the membrane raw water is supplied from the membrane raw water tank to circulate in the membrane water tank. Can be configured to flow.
【０００８】このように構成した膜水槽を用いることに
より膜水槽内に膜原水槽から膜原水を供給して、膜水槽
内を循環させ、内部に設置された膜モジュールを膜原水
が流通することによって膜面への固形物の付着を防止し
つつ膜原水中の汚濁物質を分離除去することができる。By using the membrane water tank configured as described above, the membrane raw water is supplied from the membrane raw water tank into the membrane water tank, circulates in the membrane water tank, and the membrane raw water flows through the membrane module installed inside. By doing so, it is possible to separate and remove pollutants in the raw water of the membrane while preventing solids from adhering to the membrane surface.
【０００９】また、膜モジュールを薬品等で洗浄すると
きは、その膜水槽内の膜原水を洗浄液と置換可能に構成
し、膜水槽内を洗浄液が流れるように循環させることに
より膜モジュールの洗浄を行うことができる。When cleaning the membrane module with chemicals, the membrane raw water in the membrane water tank can be replaced with the cleaning liquid, and the membrane module is cleaned by circulating the cleaning liquid so that the cleaning liquid flows. It can be carried out.
【００１０】或いはまた、本発明で用いる前記膜水槽
は、散気管を底部に設けた膜原水槽内に配置し、その膜
水槽に膜原水の流入口、流出口を設けた構成とすること
ができる。Alternatively, the membrane water tank used in the present invention may be arranged in a membrane raw water tank having an air diffuser at the bottom, and the membrane water tank may be provided with an inlet and an outlet of the raw membrane water. it can.
【００１１】このように構成した膜水槽を用いることに
よって膜水槽内にはその流入口、流出口を通して膜原水
槽内の膜原水を流通させて膜モジュールの膜面への固形
物の付着を防止しつつ膜モジュールによる汚濁物質の除
去を行わせることができる。また、膜モジュールを洗浄
液で洗浄するときは、膜水槽内の膜原水を洗浄液と置換
可能に構成することにより、膜水槽内の液を置換させて
洗浄を行えばよい。By using the membrane water tank configured as described above, the membrane raw water in the membrane raw water tank is circulated through the membrane water tank through its inflow port and outflow port to prevent solid matter from adhering to the membrane surface of the membrane module. Meanwhile, the contaminants can be removed by the membrane module. Further, when the membrane module is washed with the washing liquid, the raw membrane water in the membrane water tank can be replaced with the washing liquid so that the liquid in the membrane water tank is replaced with the washing liquid.
【００１２】以上のように、本発明による膜分離処理装
置では膜原水槽（曝気槽）と分離された膜水槽を設け、
膜モジュールの洗浄はその膜水槽内で行える為、洗浄時
の膜モジュールの引上げ作業、手作業による洗浄等の不
衛生作業が不要となる。As described above, the membrane separation apparatus according to the present invention is provided with the membrane water tank separated from the membrane raw water tank (aeration tank),
Since the membrane module can be washed in the membrane water tank, unsanitary work such as pulling up the membrane module and washing by hand during cleaning is unnecessary.
【００１３】また、本発明による膜分離処理装置では、
膜水槽内の膜原水を水又は液体に置換することにより、
別置の洗浄装置、タンク等を必要とせずに膜モジュール
の洗浄を行える。Further, in the membrane separation treatment apparatus according to the present invention,
By replacing the raw membrane water in the membrane water tank with water or liquid,
The membrane module can be cleaned without the need for a separate cleaning device, tank, etc.
【００１４】[0014]
【発明の実施の形態】以下、本発明による膜分離処理装
置について図１、図２に示した実施の形態に基づいて具
体的に説明する。なお、以下の実施の形態において、図
３に示した従来の装置と同じ構成の部分には説明を簡単
にするため同じ符号を付してある。BEST MODE FOR CARRYING OUT THE INVENTION A membrane separation treatment apparatus according to the present invention will be specifically described below based on the embodiment shown in FIGS. In the following embodiments, parts having the same configurations as those of the conventional device shown in FIG. 3 are designated by the same reference numerals for simplification of description.
【００１５】（実施の第１形態）まず、図１に示した本
発明の実施の第１形態について説明する。図１におい
て、１は膜水槽で、内部に膜モジュール２が収納されて
いる。１０は膜原水槽で、その底部には散気管９が設け
られている。膜水槽１は、膜原水槽１０とポンプ等の循
環装置３を介して連絡されている。５′は膜モジュール
２を洗浄するための洗浄液である。(First Embodiment) First, the first embodiment of the present invention shown in FIG. 1 will be described. In FIG. 1, 1 is a membrane water tank in which a membrane module 2 is housed. A membrane raw water tank 10 is provided with an air diffuser 9 at the bottom thereof. The membrane water tank 1 is connected to the membrane raw water tank 10 via a circulation device 3 such as a pump. 5'is a cleaning liquid for cleaning the membrane module 2.
【００１６】膜水槽１を出る循環水は、膜原水のときは
膜原水槽１０へ、洗浄液の場合は循環装置３の流入側へ
循環される。４は、膜モジュール２を通過して取り出さ
れる処理水を示している。The circulating water exiting the membrane water tank 1 is circulated to the membrane raw water tank 10 when the membrane raw water is used, and to the inflow side of the circulation device 3 when the washing liquid is used. Reference numeral 4 denotes treated water that is taken out through the membrane module 2.
【００１７】このように構成された図１の膜分離処理装
置において、通常の運転時は、膜原水槽１０内の膜原水
５を循環装置３によって膜水槽１に供給し膜モジュール
２の表面を通過させた循環水６が得られる。循環水６は
図示の膜原水槽１０等に戻される。In the membrane separation treatment apparatus of FIG. 1 thus constructed, during normal operation, the raw membrane water 5 in the raw membrane water tank 10 is supplied to the membrane water tank 1 by the circulation device 3 to clean the surface of the membrane module 2. The passed circulating water 6 is obtained. The circulating water 6 is returned to the membrane raw water tank 10 shown in the figure.
【００１８】また、膜モジュール２を膜原水５とは別の
洗浄液によって洗浄する時は、洗浄液５′を循環装置３
により膜水槽１に供給し、膜モジュール２の表面を通過
して洗浄後の循環水６は、循環装置３の入口に戻され再
び循環される。When the membrane module 2 is washed with a washing liquid different from the raw membrane water 5, the washing liquid 5'is circulated.
The circulating water 6 after being supplied to the membrane water tank 1 through the surface of the membrane module 2 after cleaning is returned to the inlet of the circulation device 3 and circulated again.
【００１９】即ち、循環水６は膜水槽１内を、何度も通
過してしばらく循環し、汚れた循環水６はバルブ（図示
していない）を切り換えることにより、膜原水槽１０へ
排出される。更に洗浄を行うときは、再び洗浄液５′を
循環装置３により膜水槽１へ供給し循環水６を得る。以
上を繰り返して膜モジュール２の洗浄を終了する。バル
ブを膜原水槽１０に切り換えて循環装置３を駆動するこ
とにより装置の運転を再開する。That is, the circulating water 6 passes through the membrane water tank 1 many times and circulates for a while, and the dirty circulating water 6 is discharged to the membrane raw water tank 10 by switching a valve (not shown). It When further cleaning is performed, the cleaning liquid 5'is again supplied to the membrane water tank 1 by the circulation device 3 to obtain the circulating water 6. By repeating the above, the cleaning of the membrane module 2 is completed. By switching the valve to the membrane raw water tank 10 and driving the circulation device 3, the operation of the device is restarted.
【００２０】（実施の第２形態）次に図２により本発明
による膜分離処理装置の実施の第２形態について説明す
る。図２において、内部に膜モジュール２を収納した膜
水槽１は膜原水槽８内に設けている。膜水槽１は下部に
流入口が設けられ、その流入口にポンプ等の循環装置３
が設けられている。また、膜水槽１の上部には開閉装置
７を設けた流出口があけられている。(Second Embodiment) Next, a second embodiment of the membrane separation treatment apparatus according to the present invention will be described with reference to FIG. In FIG. 2, the membrane water tank 1 having the membrane module 2 accommodated therein is provided in the membrane raw water tank 8. The membrane water tank 1 is provided with an inflow port at the bottom, and a circulation device 3 such as a pump is provided at the inflow port.
Is provided. An outlet provided with an opening / closing device 7 is opened in the upper portion of the membrane water tank 1.
【００２１】このように、図２の膜分離処理装置は、膜
水槽１を膜原水槽８内に設置した例である。このように
構成された図２の膜分離処理装置において、通常の運転
時は、開閉装置７を開とし循環装置３を駆動して運転
し、膜原水槽８内の膜原水を膜水槽１内に流通させ膜原
水から汚濁物質と分離した処理水４を取り出す。As described above, the membrane separation treatment apparatus of FIG. 2 is an example in which the membrane water tank 1 is installed in the membrane raw water tank 8. In the membrane separation treatment apparatus of FIG. 2 configured in this way, during normal operation, the opening / closing device 7 is opened and the circulation device 3 is driven to drive the raw membrane water in the raw membrane water tank 8 into the membrane water tank 1. The treated water 4 separated from the pollutants is taken out from the raw membrane water.
【００２２】一方、膜モジュールを膜原水以外の洗浄液
５′で洗浄する時は、開閉装置７を「閉」にして循環装
置３を逆回転させ洗浄液５′を膜水槽１に供給し、膜水
槽１内の液体が置換された時点で、循環装置３を停止
し、膜モジュール２の浸漬洗浄を行う。浸漬洗浄が終了
したら、開閉装置７を開とし循環装置３を駆動して通常
の運転を再開する。On the other hand, when the membrane module is washed with the washing liquid 5'other than the raw membrane water, the opening / closing device 7 is closed and the circulation device 3 is rotated in the reverse direction to supply the washing liquid 5'to the membrane water tank 1 When the liquid in 1 is replaced, the circulation device 3 is stopped and the membrane module 2 is washed by immersion. When the immersion cleaning is completed, the opening / closing device 7 is opened and the circulation device 3 is driven to resume normal operation.
【００２３】以上の実施の第１形態及び第２形態におい
て、洗浄により発生する汚泥分は、それぞれ膜原水槽８
及び１０に残溜することになるが、膜原水槽８及び１０
内の膜原水は循環装置（図示なし）により循環されてお
り、膜原水槽８及び１０内の汚泥分は徐々に槽外へ抜き
出されるようになっている。In the above-described first and second embodiments, the sludge components generated by washing are respectively the membrane raw water tank 8
And 10 will remain in the membrane raw water tanks 8 and 10.
The membrane raw water inside is circulated by a circulation device (not shown), and the sludge component in the membrane raw water tanks 8 and 10 is gradually drawn out of the tank.
【００２４】[0024]
【発明の効果】以上説明したように、膜原水から汚濁物
質を分離する膜モジュールを用いた本発明による膜分離
処理装置においては、膜モジュールを内部に収納すると
共に内部に膜原水を流出入させるように構成した膜水槽
を、膜原水槽とは別に設けたもので、これによれば膜モ
ジュールの洗浄はこの膜水槽内で行えるので、不衛生作
業であった膜モジュールの取り出しや人手による洗浄等
を不要にするものである。As described above, in the membrane separation treatment apparatus according to the present invention using the membrane module for separating pollutants from the membrane raw water, the membrane module is housed inside and the membrane raw water flows in and out. The membrane water tank configured as described above is provided separately from the membrane raw water tank. According to this, the membrane module can be cleaned in this membrane water tank. Etc. are unnecessary.
【図１】本発明の実施の第１形態に係る膜分離処理装置
の構成図。FIG. 1 is a configuration diagram of a membrane separation processing apparatus according to a first embodiment of the present invention.
【図２】本発明の実施の第２形態に係る膜分離処理装置
の構成図。FIG. 2 is a configuration diagram of a membrane separation processing apparatus according to a second embodiment of the present invention.
【図３】従来の膜分離処理装置を示す構成図。FIG. 3 is a configuration diagram showing a conventional membrane separation processing apparatus.
１ 膜水槽 ２ 膜モジュール ３ 循環装置 ４ 処理水 ５ 膜原水 ５′ 洗浄液 ６ 循環水 ７ 開閉装置 ８ 膜原水槽 ９ 散気管 １０ 膜原水槽 1 Membrane water tank 2 Membrane module 3 Circulation device 4 Treated water 5 Membrane raw water 5'Cleaning liquid 6 Circulating water 7 Switchgear 8 Membrane raw water tank 9 Air diffuser 10 Membrane raw water tank
Claims (2)
ールを用いた膜分離処理装置において、前記膜モジュー
ルを内部に収納すると共に内部に膜原水を流出入させる
ように構成した膜水槽を、曝気を行う膜原水槽とは別
に、設けたことを特徴とする膜分離処理装置。1. A membrane separation treatment apparatus using a membrane module for separating pollutants from membrane raw water, wherein the membrane module is housed inside and a membrane water tank configured to let the membrane raw water flow in and out is aerated. A membrane separation treatment device, characterized in that it is provided separately from the membrane raw water tank.
浄用液体に置換可能に構成してなる請求項１に記載の膜
分離処理装置。2. The membrane separation treatment apparatus according to claim 1, wherein the membrane raw water in the membrane water tank can be replaced with a membrane module cleaning liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24928095A JP3310836B2 (en) | 1995-09-27 | 1995-09-27 | Membrane separation processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24928095A JP3310836B2 (en) | 1995-09-27 | 1995-09-27 | Membrane separation processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0985065A true JPH0985065A (en) | 1997-03-31 |
| JP3310836B2 JP3310836B2 (en) | 2002-08-05 |
Family
ID=17190621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24928095A Expired - Lifetime JP3310836B2 (en) | 1995-09-27 | 1995-09-27 | Membrane separation processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3310836B2 (en) |
-
1995
- 1995-09-27 JP JP24928095A patent/JP3310836B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3310836B2 (en) | 2002-08-05 |
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