JPH08281264A - Immersion type membrane cartridge - Google Patents
Immersion type membrane cartridgeInfo
- Publication number
- JPH08281264A JPH08281264A JP8890695A JP8890695A JPH08281264A JP H08281264 A JPH08281264 A JP H08281264A JP 8890695 A JP8890695 A JP 8890695A JP 8890695 A JP8890695 A JP 8890695A JP H08281264 A JPH08281264 A JP H08281264A
- Authority
- JP
- Japan
- Prior art keywords
- filter plate
- immersion type
- membrane cartridge
- slits
- water collecting
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、し尿処理施設の曝気槽
等において活性汚泥等の固液分離用途に用いる浸漬型膜
カートリッジに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a submerged membrane cartridge used for solid-liquid separation of activated sludge in an aeration tank of a night soil treatment facility.
【０００２】[0002]
【従来の技術】従来、し尿処理施設等においては、被処
理液中の活性汚泥や凝集汚泥を分離するために処理槽内
に浸漬型膜分離装置を設けている。浸漬型膜分離装置は
上下が開口した箱状のケーシングの内部に平板状をなす
複数の浸漬型膜カートリッジを上下方向に沿って平行に
設け、浸漬型膜カートリッジの下方に槽内の被処理液に
曝気空気を供給する散気装置を設けている。2. Description of the Related Art Conventionally, in a human waste treatment facility or the like, an immersion type membrane separator is provided in a treatment tank for separating activated sludge and coagulated sludge in a liquid to be treated. The submerged membrane separation device is provided with a plurality of flat plate-shaped submerged membrane cartridges parallel to each other in the vertical direction inside a box-shaped casing with upper and lower openings, and the liquid to be treated in the tank is placed below the submerged membrane cartridge. An air diffuser for supplying aerated air is provided.
【０００３】浸漬型膜カートリッジＣは、図３〜図４に
示すように、濾板１の表面を覆って限外濾過膜等の濾過
膜２を配置したもので、濾過膜２の背面側において濾板
１の表面に複数条のスリット３を設けており、濾板１の
上側部には表裏に貫通する集液部４が各スリット３に連
通して設けてあり、スリット３および集液部４によって
濾過膜２の背面側に透過液流路を形成している。濾板１
の上縁部には吸引ノズル５が設けてあり、吸引ノズル５
は集液部４に連通している。As shown in FIGS. 3 to 4, the submerged type membrane cartridge C has a filtration membrane 2 such as an ultrafiltration membrane disposed so as to cover the surface of a filtration plate 1. On the back side of the filtration membrane 2. A plurality of slits 3 are provided on the surface of the filter plate 1, and an upper surface of the filter plate 1 is provided with a liquid collecting portion 4 penetrating through the front and back thereof in communication with each slit 3. 4 forms a permeate flow channel on the back side of the filtration membrane 2. Filter plate 1
The suction nozzle 5 is provided at the upper edge of the suction nozzle 5.
Communicates with the liquid collection unit 4.
【０００４】濾過運転時には、吸引手段（図示せず）に
より、各浸漬型膜カートリッジＣの吸引ノズル５を通し
て透過液流路をなす集液部４およびスリット３に吸引負
圧を与えるか、もしくは浸漬型膜カートリッジＣの濾過
膜２の膜面に槽内の自然水頭を駆動圧力として作用させ
ることによって、被処理液中の活性汚泥などの固形分を
浸漬型膜カートリッジＣの濾過膜２で捕捉し、濾過膜２
を透過して透過液流路内に流入した透過液を処理液とし
て吸引ノズル５から取り出している。During the filtration operation, suction means (not shown) applies a suction negative pressure to the liquid collecting portion 4 and the slit 3 forming the permeated liquid flow path through the suction nozzle 5 of each submerged membrane cartridge C, or dipping By causing the natural water head in the tank to act on the membrane surface of the filtration membrane 2 of the membrane cartridge C as a driving pressure, the solid content such as activated sludge in the liquid to be treated is captured by the filtration membrane 2 of the immersion membrane cartridge C. , Filtration membrane 2
The permeated liquid that has permeated through and flowed into the permeated liquid flow path is taken out from the suction nozzle 5 as a treatment liquid.
【０００５】[0005]
【発明が解決しようとする課題】上記したような浸漬型
膜分離装置においては、曝気空気によるセルフクリーニ
ング機能を有している。つまり、散気装置を通じて供給
する曝気空気の気泡、および気泡のエアリフト作用によ
り生起される被処理液の上向流が濾過膜の膜面に作用
し、気泡が断続性によってケーキ層を抉る作用を発揮す
るとともに、上向流が掃流として膜面上を流れることに
より、浸漬型膜カートリッジＣの膜面を洗浄する。しか
し、急激な濃度変化等による種々の理由によって、濾過
膜の微少孔が異物等で閉塞し、処理能力が低下するの
で、定期的に浸漬型膜カートリッジＣの薬品洗浄が必要
となる。The immersion type membrane separation device as described above has a self-cleaning function using aerated air. That is, the bubbles of the aerated air supplied through the air diffuser and the upward flow of the liquid to be treated caused by the air-lifting action of the bubbles act on the membrane surface of the filtration membrane, and the bubbles act to interrupt the cake layer by the intermittentness. The film surface of the submerged type membrane cartridge C is washed by exerting an upward flow and flowing as a sweep flow over the film surface. However, due to various reasons such as a sudden change in concentration, the micropores of the filtration membrane are clogged with foreign matter and the like, and the processing capacity is lowered. Therefore, it is necessary to periodically clean the immersion type membrane cartridge C with chemicals.
【０００６】浸漬型膜カートリッジＣの洗浄に際して
は、槽外に取り出して薬品洗浄槽に浸漬して洗う方法が
一般的であるが、この方法では手数を要して多大の労力
を必要とする。このため、浸漬型膜カートリッジＣを槽
内に浸漬した状態のままに洗浄することが望ましい。し
かし、薬液洗浄においては、浸漬型膜カートリッジＣの
内部に注入する洗浄薬液が濾過膜の膜面に沿って均等に
充填されるか、否かによって、薬液洗浄効果が大きく相
違し、しかも、洗浄効果は濾過運転を再開しないと確認
することができない。When the submerged membrane cartridge C is washed, it is common to take it out of the bath and soak it in a chemical washing bath for washing, but this method requires a lot of labor and labor. Therefore, it is desirable to wash the immersion type membrane cartridge C in a state of being immersed in the tank. However, in the chemical solution cleaning, the chemical solution cleaning effect greatly differs depending on whether or not the cleaning chemical solution to be injected into the submerged membrane cartridge C is uniformly filled along the membrane surface of the filtration membrane. The effect cannot be confirmed without restarting the filtration operation.
【０００７】本発明は上記した課題を解決するもので、
洗浄薬液を濾過膜の膜面に沿って容易に均等に充填する
ことができる浸漬型膜カートリッジを提供することを目
的とする。The present invention solves the above-mentioned problems.
An object of the present invention is to provide an immersion type membrane cartridge that can easily and evenly fill the cleaning chemicals along the membrane surface of the filtration membrane.
【０００８】[0008]
【課題を解決するための手段】上記した課題を解決する
ために、本発明の浸漬型膜カートリッジは、濾板の表面
を覆って濾過膜を設け、濾板の上側部に表裏に貫通して
集水部を設け、一端が集水部に連通する吸引ノズルを濾
板の周縁に設け、濾板の表面に開口する複数のスリット
を一端で集水部に連通して濾板の上側部から下側部にわ
たって並列に設け、隣接するスリットの間隔を濾板の上
下方向の長さの１／５〜１／２０としたものである。In order to solve the above-mentioned problems, the immersion type membrane cartridge of the present invention is provided with a filter membrane covering the surface of a filter plate, and the filter plate is penetrated to the upper and lower sides of the filter plate. A water collecting part is provided, and a suction nozzle having one end communicating with the water collecting part is provided on the periphery of the filter plate, and a plurality of slits opening on the surface of the filter plate are communicated with the water collecting part at one end from the upper part of the filter plate. The slits are provided in parallel over the lower side portion, and the interval between the adjacent slits is set to 1/5 to 1/20 of the vertical length of the filter plate.
【０００９】また、濾板の表面に開口する複数のバイパ
ススリットを隣接するスリット間を連通して設けたもの
である。Further, a plurality of bypass slits opening on the surface of the filter plate are provided so as to communicate between adjacent slits.
【００１０】[0010]
【作用】上記した構成により、活性汚泥処理槽において
浸漬型膜カートリッジを固液分離に使用する場合には、
スリットおよび集水部からなる浸漬型膜カートリッジの
透過液流路に吸引ノズルを通して吸引負圧を作用させ、
濾過膜によって活性汚泥を固液分離する。With the above configuration, when the submerged membrane cartridge is used for solid-liquid separation in the activated sludge treatment tank,
Suction negative pressure is applied to the permeated liquid flow path of the submerged membrane cartridge consisting of a slit and a water collecting portion through a suction nozzle,
The activated sludge is separated into solid and liquid by the filtration membrane.
【００１１】浸漬型膜カートリッジの薬液洗浄を行う場
合には、浸漬型膜カートリッジを槽内に浸漬した状態に
おいて吸引ノズルを通して洗浄薬液を注入し、浸漬型膜
カートリッジの透過液流路に洗浄薬液を満たす。洗浄薬
液は集水部から各スリットに流入し、各スリットに沿っ
て比重差により下方に沈降するとともに、濾板の表面領
域における密度差により生起する密度流となって移動す
る。スリットの最下部に達した段階で洗浄薬液は水平方
向に沿って密度流となって拡がる。When the immersion type membrane cartridge is cleaned with a chemical solution, the cleaning chemical solution is injected through a suction nozzle in a state where the immersion type membrane cartridge is immersed in the tank, and the cleaning chemical solution is injected into the permeated liquid flow path of the immersion type membrane cartridge. Fulfill. The cleaning chemical liquid flows into each slit from the water collecting portion, and is settled downward along each slit due to a difference in specific gravity, and moves as a density flow caused by a density difference in the surface area of the filter plate. When reaching the bottom of the slit, the cleaning solution spreads in a density flow along the horizontal direction.
【００１２】このとき、洗浄薬液の垂直方向への移動
は、比重差と密度流の双方に起因するので、その移動速
度Ｖ1 は速くなり、一方で洗浄薬液の水平方向への移動
は、密度流のみに起因するので、その速度Ｖ2 は遅くな
る。この水平方向への移動速度Ｖ2 と垂直方向への移動
速度Ｖ1 との比Ｖ2 ／Ｖ1 は大体１／１０であるので、
隣接するスリットの間隔を濾板の上下方向の長さの１／
５〜１／２０とすることにより、洗浄薬液を短時間に均
一に拡散させることができるとともに、洗浄薬液の使用
量も低減することができる。At this time, since the vertical movement of the cleaning liquid is caused by both the difference in specific gravity and the density flow, the moving speed V 1 thereof is increased, while the horizontal movement of the cleaning liquid is increased by the density. The velocity V 2 becomes slower because it is caused only by the flow. Since the ratio V 2 / V 1 of the moving speed V 2 in the horizontal direction and the moving speed V 1 in the vertical direction is about 1/10,
Set the interval between adjacent slits to 1 / the vertical length of the filter plate.
By setting the ratio to 5 to 1/20, the cleaning chemical can be uniformly diffused in a short time, and the amount of the cleaning chemical used can be reduced.
【００１３】さらに、濾板の表面に開口する複数のバイ
パススリットを隣接するスリット間を連通して設けるこ
とにより、洗浄薬液の拡散性を高めることができる。Further, by providing a plurality of bypass slits opening on the surface of the filter plate so that the adjacent slits communicate with each other, the diffusibility of the cleaning chemical liquid can be enhanced.
【００１４】[0014]
【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。図１において、浸漬型膜カートリッジ１１は、
し尿処理施設等において被処理液中の活性汚泥や凝集汚
泥を分離する浸漬型膜分離装置に使用するもので、複数
の浸漬型膜カートリッジ１１を上下方向に沿って平行に
配置し、浸漬型膜カートリッジ１１の下方に配置した散
気装置（図示せず）から空気を曝気しながら濾過を行う
ものである。An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, the immersion type membrane cartridge 11 is
It is used for an immersion type membrane separation device for separating activated sludge and coagulated sludge in a liquid to be treated in a night soil treatment facility or the like, and a plurality of immersion type membrane cartridges 11 are arranged in parallel in the vertical direction to form an immersion type membrane. Filtration is performed while aerating air from an air diffuser (not shown) arranged below the cartridge 11.
【００１５】浸漬型膜カートリッジ１１は濾板１２の表
裏の表面を限外濾過膜等の濾過膜（図示せず）で覆った
ものである。濾板１２は上側部に表裏に貫通して集水部
１３が設けてあり、濾板１２の上部周縁には吸引ノズル
１４が一端で集水部１３に連通して設けてある。濾板１
２には複数のスリット１５が濾板１２の上側部から下側
部にわたって並列に設けてあり、各スリット１５は濾板
１２の表面に開口して一端で集水部１３に連通してい
る。スリット１５は隣接するスリット１５との間隔が濾
板１２の上下方向の長さの１／５〜１／２０をなすよう
に設けてある。The submerged membrane cartridge 11 is formed by covering the front and back surfaces of the filter plate 12 with a filtration membrane (not shown) such as an ultrafiltration membrane. The filter plate 12 is provided with a water collecting portion 13 penetrating through the front and back sides on the upper side, and a suction nozzle 14 is provided at one end of the filter plate 12 so as to communicate with the water collecting portion 13 at one end. Filter plate 1
2 has a plurality of slits 15 arranged in parallel from the upper side to the lower side of the filter plate 12, and each slit 15 is open at the surface of the filter plate 12 and communicates with the water collecting part 13 at one end. The slits 15 are provided such that the distance between the adjacent slits 15 is 1/5 to 1/20 of the length of the filter plate 12 in the vertical direction.
【００１６】本実施例においては、濾板１２は上下方向
の長さが１００cmで、幅が５０cmであり、約１cm幅のス
リット１５が約４cmの間隔で形成してある。以下、上記
した構成における作用を説明する。活性汚泥処理槽等に
おいて浸漬型膜カートリッジ１１を固液分離に使用する
場合には、スリット１５および集水部１３からなる浸漬
型膜カートリッジ１１の透過液流路に吸引ノズル１４を
通して吸引負圧を作用させ、濾過膜によって活性汚泥を
固液分離する。In this embodiment, the filter plate 12 has a vertical length of 100 cm and a width of 50 cm, and slits 15 having a width of about 1 cm are formed at intervals of about 4 cm. The operation of the above configuration will be described below. When the submerged membrane cartridge 11 is used for solid-liquid separation in an activated sludge treatment tank or the like, a suction negative pressure is applied to the permeated liquid channel of the submerged membrane cartridge 11 including the slit 15 and the water collecting portion 13 through a suction nozzle 14. The activated sludge is separated into solid and liquid by the filtration membrane.
【００１７】浸漬型膜カートリッジ１１を薬液洗浄する
場合には、浸漬型膜カートリッジ１１を槽内に浸漬した
状態において吸引ノズル１４を通して次亜塩素酸ソー
ダ、塩酸、蓚酸等の洗浄薬液を注入し、浸漬型膜カート
リッジ１１の透過液流路に洗浄薬液を満たす。When the immersion type membrane cartridge 11 is cleaned with a chemical solution, a cleaning chemical solution such as sodium hypochlorite, hydrochloric acid or oxalic acid is injected through the suction nozzle 14 while the immersion type membrane cartridge 11 is immersed in a tank. The permeate flow path of the immersion type membrane cartridge 11 is filled with a cleaning chemical solution.
【００１８】洗浄薬液は集水部１３から各スリット１５
に流入し、各スリット１５に沿って比重差により下方に
沈降するとともに、濾板１２の表面領域における被処理
液との密度差により生起する密度流となって移動する。
スリット１５の最下部に達した段階で洗浄薬液は水平方
向に沿って密度流となって拡がる。洗浄薬液の垂直方向
への移動は、比重差と密度流の双方に起因するので、そ
の移動速度Ｖ1 は速くなり、一方で洗浄薬液の水平方向
への移動は、密度流のみに起因するので、その速度Ｖ2
は遅くなる。The cleaning chemical is supplied from the water collecting section 13 to each slit 15
Flowing in and flowing down into each of the slits 15 due to the difference in specific gravity and moving as a density flow caused by the difference in density with the liquid to be treated in the surface area of the filter plate 12.
At the stage of reaching the lowermost portion of the slit 15, the cleaning chemical solution spreads in a density flow along the horizontal direction. Since the vertical movement of the cleaning liquid is due to both the difference in specific gravity and the density flow, the moving speed V 1 thereof is high, while the horizontal movement of the cleaning liquid is due to the density flow only. , Its speed V 2
Will be late.
【００１９】密度流および比重差は使用する洗浄薬液の
薬品の種類や濃度によって決まり、薬品の使用濃度は、
次亜塩素酸ソーダで０．５〜２％（好ましくは１％）、
塩酸で１〜５％（好ましくは３％）、蓚酸で０．２〜２
％（好ましくは０．５％）である。水平方向の拡散速度
は薬品の種類や濃度で異なるが、上述の濃度の範囲にお
いては、大体１分間に２０〜３０cmであり、垂直方向の
拡散速度は１分間で２００〜３００cmであった。このた
め上下方向への洗浄薬液の拡散時間は３０秒であり、水
平方向への拡散時間は８秒／スリット間である。The density flow and the difference in specific gravity are determined by the type and concentration of the cleaning chemical liquid to be used, and the use concentration of the chemical is
0.5-2% (preferably 1%) with sodium hypochlorite,
Hydrochloric acid 1-5% (preferably 3%), oxalic acid 0.2-2
% (Preferably 0.5%). The diffusion rate in the horizontal direction differs depending on the type and concentration of the chemicals, but in the above concentration range, it was approximately 20 to 30 cm per minute, and the diffusion rate in the vertical direction was 200 to 300 cm per minute. Therefore, the diffusion time of the cleaning chemical liquid in the vertical direction is 30 seconds, and the diffusion time in the horizontal direction is 8 seconds / between the slits.
【００２０】したがって、水平方向への移動速度Ｖ2 と
垂直方向への移動速度Ｖ1 との比Ｖ 2 ／Ｖ1 は大体１／
１０であるので、隣接するスリット１５の間隔を濾板１
２の上下方向の長さの１／５〜１／２０とすることによ
り、洗浄薬液を短時間に均一に拡散させることができる
とともに、洗浄薬液の使用量の低減を図ることができ
る。因に、使用する薬液量が従来に比べて１／２と少な
く、従来においては薬液を注入後に、薬洗効果を出すた
めに１時間浸漬していたが、本実施例によれば、１／３
に短縮できた。Therefore, the moving speed V in the horizontal direction2 When
Moving speed V in the vertical direction1 Ratio V with 2 / V1 Is about 1 /
Since the number of adjacent slits 15 is 10,
By making it 1/5 to 1/20 of the vertical length of 2
Therefore, the cleaning chemical can be uniformly dispersed in a short time.
At the same time, it is possible to reduce the amount of cleaning chemicals used.
It As a result, the amount of chemicals used is half that of conventional products.
In the past, the chemical washing effect was obtained after injecting the chemical solution.
It was soaked for 1 hour for this purpose, but according to the present embodiment, 1/3
I was able to shorten it.
【００２１】図２は本発明の他の実施例を示すものであ
り、先の実施例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２において、濾板１２
には濾板１２の表面に開口する複数のバイパススリット
２１が隣接するスリット１５，１５間を連通して設けて
あり、バイパススリット２１はスリット１５に対して斜
めに傾斜している。FIG. 2 shows another embodiment of the present invention. Members having the same functions as those of the previous embodiment are designated by the same reference numerals and the description thereof will be omitted. In FIG. 2, the filter plate 12
Is provided with a plurality of bypass slits 21 opening on the surface of the filter plate 12 so as to communicate between the adjacent slits 15 and 15, and the bypass slits 21 are inclined with respect to the slits 15.
【００２２】この構成によれば、洗浄薬液がスリット１
５からバイパススリット２１に流入し、バイパススリッ
ト２１に沿って比重差および密度流により流れることに
なり、水平方向における洗浄薬液の拡散を促進すること
ができる。According to this structure, the cleaning chemical liquid is used as the slit 1
5 flows into the bypass slit 21 and flows along the bypass slit 21 due to the difference in specific gravity and the density flow, so that the diffusion of the cleaning chemical liquid in the horizontal direction can be promoted.
【００２３】[0023]
【発明の効果】以上に述べたように本発明によれば、隣
接するスリットの間隔を濾板の上下方向の長さの１／５
〜１／２０とすることにより、洗浄薬液が濾板の垂直方
向への広がりに要する拡散時間と水平方向への広がりに
要する拡散時間を同等にすることができ、洗浄薬液を短
時間に均一に拡散させることができるとともに、洗浄薬
液の使用量も低減することができる。濾板の表面に開口
する複数のバイパススリットを隣接するスリット間を連
通して設けることにより、洗浄薬液の拡散性をさらに高
めることができる。As described above, according to the present invention, the interval between the adjacent slits is ⅕ of the vertical length of the filter plate.
By setting the ratio to 1/20, the diffusion time required for the cleaning chemical solution to spread in the vertical direction of the filter plate can be made equal to the diffusion time required for spreading the filter solution in the horizontal direction, and the cleaning chemical solution can be uniformly distributed in a short time. In addition to being able to diffuse, the amount of cleaning chemicals used can be reduced. By providing a plurality of bypass slits that open on the surface of the filter plate so that the adjacent slits communicate with each other, the diffusibility of the cleaning chemical liquid can be further enhanced.
【図１】本発明の一実施例を示す浸漬型膜カートリッジ
の濾板の正面図である。FIG. 1 is a front view of a filter plate of an immersion type membrane cartridge showing an embodiment of the present invention.
【図２】本発明の他の実施例を示す浸漬型膜カートリッ
ジの濾板の正面図である。FIG. 2 is a front view of a filter plate of an immersion type membrane cartridge showing another embodiment of the present invention.
【図３】従来の浸漬型膜カートリッジの濾板の正面図で
ある。FIG. 3 is a front view of a filter plate of a conventional immersion type membrane cartridge.
【図４】同浸漬型膜カートリッジの側面図である。FIG. 4 is a side view of the immersion type membrane cartridge.
【符号の説明】 １１ 浸漬型膜カートリッジ １２ 濾板 １３ 集水部 １４ 吸引ノズル １５ スリット[Explanation of Codes] 11 Immersion Type Membrane Cartridge 12 Filter Plate 13 Water Collection Section 14 Suction Nozzle 15 Slit
フロントページの続き (72)発明者 和泉 清司 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 谷田 昌大 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 塗師 雅治 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 師 正史 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内 (72)発明者 添田 祐二 大阪府大阪市浪速区敷津東一丁目２番47号 株式会社クボタ内Front Page Continuation (72) Inventor Kiyoji Izumi 1-247 Shikitsu East, Naniwa-ku, Osaka City, Osaka Prefecture Kubota Co., Ltd. (72) Masadai Yata 1-chome Shikitsu East, Naniwa-ku, Osaka City, Osaka Prefecture No.47 In Kubota Co., Ltd. (72) Inventor Masaharu Nuri, 1-chome Shikizu East, Naniwa-ku, Osaka City, Osaka Prefecture No. 2-47 In Kubota Co., Ltd. 2-47, Kubota Co., Ltd. (72) Inventor, Yuji Soeda 1-247 Shikitsu Higashi, Naniwa-ku, Osaka City, Osaka Prefecture Kubota Co., Ltd.
Claims (2)
の上側部に表裏に貫通して集水部を設け、一端が集水部
に連通する吸引ノズルを濾板の周縁に設け、濾板の表面
に開口する複数のスリットを一端で集水部に連通して濾
板の上側部から下側部にわたって並列に設け、隣接する
スリットの間隔を濾板の上下方向の長さの１／５〜１／
２０としたことを特徴とする浸漬型膜カートリッジ。1. A filter membrane is provided to cover the surface of a filter plate, a water collecting portion is provided on the upper side of the filter plate so as to penetrate the front and back sides, and a suction nozzle having one end communicating with the water collecting portion is provided on the periphery of the filter plate. A plurality of slits that are provided on the surface of the filter plate communicate with the water collecting portion at one end and are provided in parallel from the upper side to the lower side of the filter plate, and the intervals between adjacent slits are the vertical length of the filter plate. 1/5 to 1 /
The immersion type membrane cartridge is characterized in that the number is 20.
リットを隣接するスリット間を連通して設けたことを特
徴とする請求項１記載の浸漬型膜カートリッジ。2. The immersion type membrane cartridge according to claim 1, wherein a plurality of bypass slits opening on the surface of the filter plate are provided so as to communicate between adjacent slits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08890695A JP3255821B2 (en) | 1995-04-14 | 1995-04-14 | Immersion type membrane cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08890695A JP3255821B2 (en) | 1995-04-14 | 1995-04-14 | Immersion type membrane cartridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08281264A true JPH08281264A (en) | 1996-10-29 |
| JP3255821B2 JP3255821B2 (en) | 2002-02-12 |
Family
ID=13955999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08890695A Expired - Lifetime JP3255821B2 (en) | 1995-04-14 | 1995-04-14 | Immersion type membrane cartridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3255821B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040047329A (en) * | 2002-11-29 | 2004-06-05 | 주식회사 코레드 | Sewage treatment membrane module and membrane unit and manufacturing method |
| KR100500488B1 (en) * | 2002-05-09 | 2005-07-12 | 주식회사 환경시설관리공사 | Immersion Type Flat Membrane Module |
| JP2008018300A (en) * | 2006-07-11 | 2008-01-31 | Kubota Corp | Membrane cartridge |
| WO2010035436A1 (en) | 2008-09-26 | 2010-04-01 | 株式会社クボタ | Membrane cartridge |
| WO2010035435A1 (en) * | 2008-09-26 | 2010-04-01 | 株式会社クボタ | Membrane cartridge |
| JP2011240324A (en) * | 2010-05-17 | 2011-12-01 | Pure-Envitech Co Ltd | Filter membrane module |
| CN109718669A (en) * | 2019-02-25 | 2019-05-07 | 威孔过滤科技（苏州）有限公司 | The filter of plate filter element and the application plate filter element |
-
1995
- 1995-04-14 JP JP08890695A patent/JP3255821B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100500488B1 (en) * | 2002-05-09 | 2005-07-12 | 주식회사 환경시설관리공사 | Immersion Type Flat Membrane Module |
| KR20040047329A (en) * | 2002-11-29 | 2004-06-05 | 주식회사 코레드 | Sewage treatment membrane module and membrane unit and manufacturing method |
| JP2008018300A (en) * | 2006-07-11 | 2008-01-31 | Kubota Corp | Membrane cartridge |
| WO2010035436A1 (en) | 2008-09-26 | 2010-04-01 | 株式会社クボタ | Membrane cartridge |
| WO2010035435A1 (en) * | 2008-09-26 | 2010-04-01 | 株式会社クボタ | Membrane cartridge |
| US8377303B2 (en) | 2008-09-26 | 2013-02-19 | Kubota Corporation | Membrane cartridge |
| JP2011240324A (en) * | 2010-05-17 | 2011-12-01 | Pure-Envitech Co Ltd | Filter membrane module |
| CN109718669A (en) * | 2019-02-25 | 2019-05-07 | 威孔过滤科技（苏州）有限公司 | The filter of plate filter element and the application plate filter element |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3255821B2 (en) | 2002-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH07185270A (en) | Immersion membrane apparatus | |
| JP2000189958A (en) | Immersion type membrane filter device | |
| JPH09220569A (en) | Solid-liquid separator | |
| JPH08281264A (en) | Immersion type membrane cartridge | |
| JP3290555B2 (en) | Washing method of immersion type membrane cartridge in tank | |
| JP3290556B2 (en) | Cleaning method for immersion type membrane cartridge | |
| JP3984145B2 (en) | Cleaning method for solid-liquid separator | |
| JP3494744B2 (en) | Chemical solution cleaning method for membrane in immersion type membrane filtration device and chemical solution cleaning device | |
| JP3178977B2 (en) | Cleaning method of membrane element | |
| JP3123407B2 (en) | Immersion type membrane separation device | |
| JP3408613B2 (en) | Membrane separation device | |
| JP4188226B2 (en) | Filtration device and filtration method using the filtration device | |
| JP2001047046A (en) | Membrane separation type water treatment apparatus | |
| JPH08290045A (en) | Method for washing of immersion type membrance cartridge | |
| JPH09299951A (en) | Dipping type plane membrane separation device | |
| JPH08323349A (en) | Washing method of immersing type membrane cartridge in tank | |
| JPH09155166A (en) | Immersion type flat membrane separator | |
| JP2003305313A (en) | Solid-liquid separation method and apparatus therefor | |
| JPH07275668A (en) | Membrane separation device | |
| JP2003236349A (en) | Method of operating membrane separator | |
| JPH09192459A (en) | Method for washing immersion type membrane separating apparatus | |
| JP3432669B2 (en) | Cleaning method for filtration device | |
| JPH0985122A (en) | Solid-liquid separator | |
| JP2002126470A (en) | Method for cleaning filter membrane with liquid chemical | |
| JPH1066844A (en) | Washing of membrane separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081130 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081130 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091130 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091130 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101130 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101130 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111130 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111130 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121130 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131130 Year of fee payment: 12 |
|
| EXPY | Cancellation because of completion of term |