JP3328149B2 - Immersion type membrane separation device - Google Patents
Immersion type membrane separation deviceInfo
- Publication number
- JP3328149B2 JP3328149B2 JP30540396A JP30540396A JP3328149B2 JP 3328149 B2 JP3328149 B2 JP 3328149B2 JP 30540396 A JP30540396 A JP 30540396A JP 30540396 A JP30540396 A JP 30540396A JP 3328149 B2 JP3328149 B2 JP 3328149B2
- Authority
- JP
- Japan
- Prior art keywords
- filtration membrane
- cartridge
- membrane
- immersion type
- filtration
- 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.)
- Expired - Lifetime
Links
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- Separation Using Semi-Permeable Membranes (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、処理槽内に設置さ
れる浸漬型膜分離装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an immersion type membrane separation device installed in a processing tank.
【０００２】[0002]
【従来の技術】従来、し尿処理や合併処理などを行う処
理装置として、たとえば図４に示したような、処理槽内
に設置する浸漬型膜分離装置が用いられている。2. Description of the Related Art Conventionally, a immersion type membrane separation apparatus installed in a processing tank as shown in FIG. 4 has been used as a processing apparatus for performing human waste processing, merger processing and the like.
【０００３】浸漬型膜分離装置１は、上下が開口した箱
枠状の膜ケース２の内部に平板状の濾過膜カートリッジ
３を一定間隔で配列し、膜ケース２の下方に配置した箱
枠状の散気ケース４の内部に、槽外のブロワ５などの空
気供給源に連通する散気管６を配設することにより構成
されている。The immersion type membrane separation device 1 has a box-like membrane case 2 having an open top and bottom, in which flat filter membrane cartridges 3 are arranged at regular intervals, and is arranged below the membrane case 2. A diffuser tube 6 communicating with an air supply source such as a blower 5 outside the tank is provided inside the diffuser case 4.
【０００４】濾過膜カートリッジ３は、濾板７の両表面
に濾過膜８を配置し、濾板７と濾過膜８との間あるいは
濾板７の内部に形成される膜透過液流路（図示せず）に
連通する膜透過液取出口９を濾板７に形成することによ
り構成されている。[0004] The filtration membrane cartridge 3 has a filtration membrane 8 disposed on both surfaces of a filtration plate 7, and a membrane permeate flow path formed between the filtration plates 7 or inside the filtration plate 7 (see FIG. 1). (Not shown) is formed in the filter plate 7.
【０００５】そして、濾過膜カートリッジ３の膜透過液
取出口９に連通して膜透過液取出チューブ１０と集合管
１１が設けられ、この集合管１１に連通して膜透過液導
出管１２が設けられている。また、配列された濾過膜カ
ートリッジ３の浮上を防止する押さえ板１３が膜ケース
２の上部に固定して設けられている。[0005] A membrane permeate outlet tube 10 and a collecting pipe 11 are provided in communication with the membrane permeate outlet 9 of the filtration membrane cartridge 3, and a membrane permeate outlet pipe 12 is provided in communication with the collection pipe 11. Have been. Further, a holding plate 13 for preventing the arranged filtration membrane cartridges 3 from floating is fixedly provided on the upper part of the membrane case 2.
【０００６】このような構成において、処理槽内の活性
汚泥混合液などの被処理液を濾過する際には、膜透過液
導出管１２、集合管１１，膜透過液取出チューブ１０を
通じて濾過膜カートリッジ３の透過液流路に吸引圧を負
荷することにより、あるいは槽内の被処理液の水頭を濾
過駆動力として、被処理液中に含まれる活性汚泥などの
懸濁物質を濾過膜８で捕捉し、濾過膜８を透過して透過
液流路内に流入した膜透過液を膜透過液取出チューブ１
０、集合管１１、膜透過液導出管１２を通じて処理槽の
外部へ取り出している。In such a configuration, when a liquid to be treated such as an activated sludge mixed liquid in the treatment tank is filtered, a filtration membrane cartridge is passed through the membrane permeate outlet pipe 12, the collecting pipe 11, and the membrane permeate outlet tube 10. By applying a suction pressure to the permeate flow path of No. 3 or using the head of the liquid to be treated in the tank as a filtration driving force, suspended substances such as activated sludge contained in the liquid to be treated are captured by the filtration membrane 8. Then, the membrane permeated liquid that has passed through the filtration membrane 8 and flowed into the permeated liquid flow path is passed through the membrane permeated liquid extraction tube 1.
0, the collecting pipe 11 and the membrane permeated liquid outlet pipe 12 are taken out of the processing tank.
【０００７】このとき、ブロワ５より供給する空気を散
気管６の散気孔６ａを通じて散気し、散気した空気の気
泡およびそれにより生起される上昇水流を濾過膜カート
リッジ３間の間隙に流入させることによって、気泡と上
昇水流とにより濾過膜カートリッジ３の膜面全体を均一
に洗浄し、上昇水流により、膜面における濃度分極を小
さくして濾過抵抗を小さくするようにしている。At this time, the air supplied from the blower 5 is diffused through the air diffusion holes 6 a of the air diffusion pipe 6, and the bubbles of the diffused air and the rising water generated by the air flow into the gap between the filtration membrane cartridges 3. Thus, the entire membrane surface of the filtration membrane cartridge 3 is uniformly washed by the bubbles and the rising water flow, and the concentration polarization on the membrane surface is reduced by the rising water flow to reduce the filtration resistance.
【０００８】[0008]
【発明が解決しようとする課題】上記したように、従来
の浸漬型膜分離装置では、押さえ板１３により濾過膜カ
ートリッジ３の浮上を防止しているが、散気管６より散
気した空気の気泡およびそれにより生起される上昇水流
によって濾過膜カートリッジ３に垂直方向の振動が生じ
るのは免れず、押さえ板１３に接触する濾過膜カートリ
ッジ３の濾板７の肩部が摩耗する恐れがある。As described above, in the conventional immersion type membrane separation apparatus, the lifting of the filtration membrane cartridge 3 is prevented by the holding plate 13, but air bubbles diffused from the air diffusion pipe 6. In addition, vertical vibrations are unavoidably generated in the filtration membrane cartridge 3 due to the rising water flow generated thereby, and the shoulder of the filtration plate 7 of the filtration membrane cartridge 3 that comes into contact with the holding plate 13 may be worn.
【０００９】このため、押さえ板１３に平板状のゴムな
どの弾性材（図示せず）を貼り付け、濾板７の肩部に金
属などの耐摩耗材（図示せず）を貼り付けるか、あるい
は濾過膜カートリッジ３を重くしてその浮上および押さ
え板１３との接触を低減するようにしているが、前者に
おいては耐摩耗材が脱離する恐れがあり、後者において
は濾過膜カートリッジ３の微細な振動によって、濾過膜
カートリッジ３を配列するために膜ケース２の内側面に
形成されたスリット（図示せず）が摩耗する恐れがあ
る。For this reason, a flat elastic material (not shown) such as rubber is attached to the holding plate 13 and a wear-resistant material (not shown) such as metal is attached to the shoulder of the filter plate 7 or Although the filter membrane cartridge 3 is made heavy to reduce its floating and contact with the holding plate 13, the wear-resistant material may be detached in the former, and the fine vibration of the filter membrane cartridge 3 may be removed in the latter. Accordingly, a slit (not shown) formed on the inner surface of the membrane case 2 for arranging the filtration membrane cartridges 3 may be worn.
【００１０】本発明は上記問題を解決するもので、散気
時における押さえ板や膜ケースのスリットに対する濾過
膜カートリッジの摺動、およびそれに起因する濾板の摩
耗を防止できる浸漬型膜分離装置を提供することを目的
とするものである。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and an immersion type membrane separation apparatus capable of preventing a filtration membrane cartridge from sliding against a slit of a holding plate or a membrane case during air diffusion and abrasion of the filtration plate caused by the sliding. It is intended to provide.
【００１１】[0011]
【課題を解決するための手段】上記問題を解決するため
に、本発明の請求項１記載の浸漬型膜分離装置は、上下
が開口した箱枠状のケーシング内に平板状の濾過膜カー
トリッジを一定間隔で平行に配列し、濾過膜カートリッ
ジの下方に散気管を配設し、前記配列した各濾過膜カー
トリッジの周縁部に当接して各濾過膜カートリッジを保
持する押さえ板を設けた浸漬型膜分離装置において、前
記押さえ板に、濾過膜カートリッジ間の各間隙に圧入す
る弾性材製の櫛歯状凸部を設けたものである。In order to solve the above-mentioned problems, a immersion type membrane separation apparatus according to the first aspect of the present invention comprises a flat filtration membrane cartridge in a box frame-like casing having upper and lower openings. An immersion type membrane which is arranged in parallel at regular intervals, an air diffuser is arranged below the filtration membrane cartridge, and a holding plate for holding each filtration membrane cartridge in contact with the periphery of each of the arranged filtration membrane cartridges is provided. In the separation device, the pressing plate is provided with a comb-shaped convex portion made of an elastic material and pressed into each gap between the filtration membrane cartridges.
【００１２】請求項２記載の浸漬型膜分離装置は、押さ
え板を、剛性材からなる支持部と、弾性材により櫛歯状
凸部を備えて一体成形した押さえ部とで構成したもので
ある。According to a second aspect of the present invention, in the immersion type membrane separation device, the pressing plate is constituted by a supporting portion made of a rigid material and a pressing portion integrally formed with a comb-shaped convex portion made of an elastic material. .
【００１３】上記した構成によれば、濾過膜カートリッ
ジ間の各間隙に弾性材製の櫛歯状凸部を圧入させること
により、散気管からの空気の気泡およびそれにより生起
される上昇水流が濾過膜カートリッジ間の間隙に流入し
たときも、各濾過膜カートリッジを固定した状態でその
振動を抑制できるとともに、各濾過膜カートリッジの振
動を櫛歯状凸部で吸収することができ、押さえ板やケー
シングのスリットに対する濾過膜カートリッジの摺動、
およびそれに起因する濾板の摩耗を防止できる。[0013] According to the above construction, the air bubbles from the air diffuser and the ascending water flow generated by the air bubbles are filtered by press-fitting the elastic comb-shaped convex portions into the gaps between the filtration membrane cartridges. Even when flowing into the gap between the membrane cartridges, the vibrations of the respective filtration membrane cartridges can be suppressed in a fixed state, and the vibrations of the respective filtration membrane cartridges can be absorbed by the comb-shaped convex portions. Sliding of the filtration membrane cartridge against the slit of
In addition, abrasion of the filter plate due to the above can be prevented.
【００１４】[0014]
【発明の実施の形態】以下、本発明の一実施形態を図面
を参照しながら説明する。この実施形態の浸漬型膜分離
装置は図４を用いて説明した従来のものとほぼ同様なの
で、全体構成の図示を省略し、従来のものと同様の作用
を有する部材に図４と同じ符号を付して説明する。An embodiment of the present invention will be described below with reference to the drawings. Since the immersion type membrane separation device of this embodiment is almost the same as the conventional device described with reference to FIG. 4, the illustration of the entire configuration is omitted, and members having the same functions as those of the conventional device are denoted by the same reference numerals as those in FIG. A description is given below.
【００１５】図１から図３において、１４は濾過膜カー
トリッジ３の浮上を防止する押さえ板であり、この押さ
え板１４は、従来のものと同様に、その長手方向を濾過
膜カートリッジ３の膜面と交わる方向として、配列され
た一方の最外側の濾過膜カートリッジ３から他方の最外
側の濾過膜カートリッジ３にわたり、各濾過膜カートリ
ッジ３の濾板７の上部周縁部に当接して配置されてい
る。In FIG. 1 to FIG. 3, reference numeral 14 denotes a holding plate for preventing the filtration membrane cartridge 3 from floating, and the holding plate 14 has a longitudinal direction which is the same as that of the conventional one. As a direction intersecting from the outermost filtration membrane cartridges 3 arranged in the array to the other outermost filtration membrane cartridges 3, the filter membranes 7 are arranged in contact with the upper peripheral portion of the filter plate 7 of each cartridge. .
【００１６】押さえ板１４は、剛性材により製作された
板状支持部１５と、この板状支持部１５の下面に接着さ
れた弾性材製の櫛状押さえ部１６とで構成されている。
板状支持部１５には、膜ケース２の上端面に沿う方向か
つ外側へ伸びた固定部１７が形成されていて、押さえ板
１４はこの固定部１７において膜ケース２の上端面にボ
ルト１８，ナット１９により固定されている。固定部１
７と膜ケース２の上端面との間には、調整カラー２０が
配置されている。The pressing plate 14 is composed of a plate-like supporting portion 15 made of a rigid material and a comb-like pressing portion 16 made of an elastic material adhered to the lower surface of the plate-like supporting portion 15.
The plate-like support portion 15 is formed with a fixing portion 17 extending outward in a direction along the upper end surface of the membrane case 2. The holding plate 14 is provided with bolts 18, It is fixed by a nut 19. Fixed part 1
An adjustment collar 20 is arranged between the upper end face 7 and the upper end surface of the membrane case 2.
【００１７】櫛状押さえ部１６は、濾過膜カートリッジ
３の配列ピッチと同じピッチで凸部１６ａを形成するこ
とにより構成されていて、凸部１６ａは先端に向けて直
線的に狭まった形状をなし、その先端部の幅は濾過膜カ
ートリッジ間の間隙よりやや小さい。凸部１６ａ，１６
ａ間に形成される凹部１６ｂの底部の幅は濾過膜カート
リッジ３の厚みよりやや小さい。このような構成によ
り、凸部１６ａを濾過膜カートリッジ３どうしの間隙に
圧入したときも、膜ケース２の内部に一定間隔で配列さ
れた濾過膜カートリッジ３は、押さえ板１４によって傾
いたりすることなく安定に固定される。濾過膜カートリ
ッジ３どうしの間隙への凸部１６ａへの圧入の程度は、
凸部１６ａ，凹部１６ｂの形状と調整カラー２０とによ
り調節される。The comb-shaped holding section 16 is formed by forming the projections 16a at the same pitch as the arrangement pitch of the filtration membrane cartridges 3, and the projections 16a have a shape narrowed linearly toward the tip. The width of the tip is slightly smaller than the gap between the filtration membrane cartridges. Convex parts 16a, 16
The width of the bottom of the concave portion 16b formed between a is slightly smaller than the thickness of the filtration membrane cartridge 3. With such a configuration, even when the projections 16 a are pressed into the gaps between the filtration membrane cartridges 3, the filtration membrane cartridges 3 arranged at regular intervals inside the membrane case 2 are not inclined by the holding plate 14. It is fixed stably. The degree of press-fitting of the projections 16a into the gap between the filtration membrane cartridges 3 is as follows.
It is adjusted by the shape of the convex portion 16a and the concave portion 16b and the adjustment collar 20.
【００１８】このように押さえ板１４により各濾過膜カ
ートリッジ３を固定した状態では、散気管からの空気の
気泡およびそれにより生起される上昇水流が濾過膜カー
トリッジ３どうしの間隙に流入したときも、各濾過膜カ
ートリッジ３は浮上しないだけでなく振動しにくく、幾
分生じる微細な振動は弾性材製の櫛状押さえ部１６によ
って吸収される。このため、押さえ板１４や濾過膜カー
トリッジ３を保持する膜ケース２のスリットに対して濾
過膜カートリッジ３が摺動することはなく、それに起因
する濾過膜カートリッジ３の濾板７の摩耗は防止され
る。In the state where the respective filtration membrane cartridges 3 are fixed by the holding plate 14 in this manner, even when air bubbles from the air diffuser and the rising water flow generated thereby flow into the gap between the filtration membrane cartridges 3, Each of the filtration membrane cartridges 3 not only does not float but also does not easily vibrate, and fine vibrations that occur to some extent are absorbed by the comb-shaped pressing portion 16 made of an elastic material. Therefore, the filtration membrane cartridge 3 does not slide with respect to the holding plate 14 or the slit of the membrane case 2 holding the filtration membrane cartridge 3, and the abrasion of the filtration plate 7 of the filtration membrane cartridge 3 due to the sliding is prevented. You.
【００１９】なお、上記した実施形態では、櫛状押さえ
部１６全体を弾性材により一体的に形成したが、弾性材
により形成した凸部１６ａを剛性支持材に取り付けた構
造としてもよい。弾性材としては、硬質ゴム、軟質ゴ
ム、ウレタンなどを用いることができる。In the above-described embodiment, the entire comb-shaped holding portion 16 is integrally formed of an elastic material. However, a structure in which a convex portion 16a formed of an elastic material is attached to a rigid support member may be adopted. Hard rubber, soft rubber, urethane, or the like can be used as the elastic material.
【００２０】また、上記した実施形態では、押さえ板１
４を、濾過膜カートリッジ３の濾板７の上部周縁部にの
み配置したが、押さえ板１４を複数箇所に配置すれば濾
過膜カートリッジ３の摩耗をさらに効果的に防止するこ
とができる。たとえば、押さえ板１４を、濾過膜カート
リッジ３の濾板７の上部周縁部に間隔をおいて２箇所、
濾板７の下部周縁部に間隔をおいて２箇所配置すれば、
濾板７の摩耗をより効果的に防止できる。In the above embodiment, the holding plate 1
Although 4 is disposed only on the upper peripheral portion of the filter plate 7 of the filtration membrane cartridge 3, abrasion of the filtration membrane cartridge 3 can be more effectively prevented by disposing the holding plate 14 at a plurality of locations. For example, the holding plate 14 is provided at two locations on the upper peripheral portion of the filter plate 7 of the filtration membrane cartridge 3 at intervals.
By arranging two places at an interval on the lower peripheral portion of the filter plate 7,
Abrasion of the filter plate 7 can be more effectively prevented.
【００２１】[0021]
【発明の効果】以上のように、本発明によれば、濾過膜
カートリッジの浮上を防止する押さえ板に、濾過膜カー
トリッジ間の各間隙に圧入する弾性材製櫛歯状凸部を設
けることにより、散気管からの空気の気泡およびそれに
より生起される上昇水流が濾過膜カートリッジ間の間隙
に流入したときの濾過膜カートリッジの振動を抑制およ
び吸収することができ、押さえ板やケーシングのスリッ
トに対する濾過膜カートリッジの摺動、およびそれに起
因する濾板の摩耗を防止できる。As described above, according to the present invention, the pressing plate for preventing the floating of the filtration membrane cartridge is provided with the comb-like projection made of the elastic material which is pressed into each gap between the filtration membrane cartridges. It is possible to suppress and absorb the vibration of the filtration membrane cartridge when air bubbles from the air diffuser and the ascending water flow generated thereby flow into the gap between the filtration membrane cartridges. Sliding of the membrane cartridge and abrasion of the filter plate resulting therefrom can be prevented.
【図１】本発明の一実施形態の浸漬型膜分離装置におい
て濾過膜カートリッジの浮上を防止する押さえ板の正面
図である。FIG. 1 is a front view of a pressing plate for preventing a filtration membrane cartridge from floating in an immersion type membrane separation device according to an embodiment of the present invention.
【図２】図１に示した押さえ板を濾過膜カートリッジの
上部に配置した状態を示す説明図である。FIG. 2 is an explanatory view showing a state in which the holding plate shown in FIG. 1 is arranged above a filtration membrane cartridge.
【図３】図１に示した押さえ板を濾過膜カートリッジの
上部に配置した状態を他の方向から示す説明図である。FIG. 3 is an explanatory diagram showing a state in which the holding plate shown in FIG. 1 is arranged on an upper portion of a filtration membrane cartridge from another direction.
【図４】従来の浸漬型膜分離装置の全体構成を示した一
部破断斜視図である。FIG. 4 is a partially cutaway perspective view showing the entire configuration of a conventional immersion type membrane separation device.
１ 浸漬型膜分離装置 ２ 膜ケース ３ 濾過膜カートリッジ ４ 散気ケース ６ 散気管 14 押さえ板 16 押さえ部 16a 凸部 DESCRIPTION OF SYMBOLS 1 Immersion-type membrane separation apparatus 2 Membrane case 3 Filtration membrane cartridge 4 Air diffuser case 6 Air diffuser tube 14 Press plate 16 Press portion 16a Convex portion
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平７−299339（ＪＰ，Ａ) 特開 平８−131783（ＪＰ，Ａ) 特開 平７−194945（ＪＰ，Ａ) 特開 平６−218247（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B01D 63/08 B01D 63/00 B01D 65/02 C02F 1/44 B01D 25/00 C02F 3/12 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-7-299339 (JP, A) JP-A-8-131783 (JP, A) JP-A-7-194945 (JP, A) JP-A-6-299945 218247 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) B01D 63/08 B01D 63/00 B01D 65/02 C02F 1/44 B01D 25/00 C02F 3/12
Claims (2)
平板状の濾過膜カートリッジを一定間隔で平行に配列
し、濾過膜カートリッジの下方に散気管を配設し、前記
配列した各濾過膜カートリッジの周縁部に当接して各濾
過膜カートリッジを保持する押さえ板を設けた浸漬型膜
分離装置において、前記押さえ板に、濾過膜カートリッ
ジ間の各間隙に圧入する弾性材製の櫛歯状凸部を設けた
ことを特徴とする浸漬型膜分離装置。1. A flat filtration membrane cartridge is arranged in parallel at a predetermined interval in a box-shaped casing having an open top and bottom, and an air diffuser is disposed below the filtration membrane cartridge. In the immersion type membrane separation device provided with a holding plate for holding each filtration membrane cartridge in contact with the peripheral portion of the cartridge, a comb-shaped convex made of an elastic material is press-fitted into each gap between the filtration membrane cartridges. An immersion type membrane separation device characterized by having a part.
弾性材により櫛歯状凸部を備えて一体成形した押さえ部
とで構成したことを特徴とする請求項１記載の浸漬型膜
分離装置。2. The holding plate comprises: a supporting portion made of a rigid material;
2. The immersion type membrane separation device according to claim 1, wherein the holding portion is formed by integrally forming the elastic member with a comb-shaped convex portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30540396A JP3328149B2 (en) | 1996-11-18 | 1996-11-18 | Immersion type membrane separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30540396A JP3328149B2 (en) | 1996-11-18 | 1996-11-18 | Immersion type membrane separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10137556A JPH10137556A (en) | 1998-05-26 |
| JP3328149B2 true JP3328149B2 (en) | 2002-09-24 |
Family
ID=17944716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30540396A Expired - Lifetime JP3328149B2 (en) | 1996-11-18 | 1996-11-18 | Immersion type membrane separation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3328149B2 (en) |
Cited By (2)
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|---|---|---|---|---|
| JP2013192991A (en) * | 2012-03-16 | 2013-09-30 | Shima Kankyo Jigyo Kyogyo Kumiai | Immersion type membrane separator |
| KR101428089B1 (en) * | 2008-08-20 | 2014-08-07 | 코오롱인더스트리 주식회사 | Adaptor for Switching the Use of a Filtering Apparatus and Filtering Apparatus Using The Same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5264159B2 (en) | 2007-12-13 | 2013-08-14 | 株式会社クボタ | Immersion membrane separator |
| JP5187122B2 (en) * | 2008-10-15 | 2013-04-24 | 東レ株式会社 | Element array fixture and membrane separator |
| JP5257037B2 (en) * | 2008-12-05 | 2013-08-07 | 東レ株式会社 | Immersion membrane separation module and flat membrane element replacement method |
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| JP5880666B2 (en) * | 2014-11-14 | 2016-03-09 | 三菱レイヨン株式会社 | Hollow fiber membrane module unit |
| JP6897832B1 (en) * | 2020-03-23 | 2021-07-07 | 株式会社明電舎 | Support structure and membrane filtration device |
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1996
- 1996-11-18 JP JP30540396A patent/JP3328149B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101428089B1 (en) * | 2008-08-20 | 2014-08-07 | 코오롱인더스트리 주식회사 | Adaptor for Switching the Use of a Filtering Apparatus and Filtering Apparatus Using The Same |
| JP2013192991A (en) * | 2012-03-16 | 2013-09-30 | Shima Kankyo Jigyo Kyogyo Kumiai | Immersion type membrane separator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10137556A (en) | 1998-05-26 |
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