JPH10263371A - Immersion type filter membrane element - Google Patents
Immersion type filter membrane elementInfo
- Publication number
- JPH10263371A JPH10263371A JP9077254A JP7725497A JPH10263371A JP H10263371 A JPH10263371 A JP H10263371A JP 9077254 A JP9077254 A JP 9077254A JP 7725497 A JP7725497 A JP 7725497A JP H10263371 A JPH10263371 A JP H10263371A
- Authority
- JP
- Japan
- Prior art keywords
- filtration membrane
- filtration
- membrane element
- integrated
- immersion type
- 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
- 239000012528 membrane Substances 0.000 title claims abstract description 103
- 238000007654 immersion Methods 0.000 title claims abstract description 22
- 238000005273 aeration Methods 0.000 claims abstract description 17
- 239000000706 filtrate Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims description 92
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000004382 potting Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
- B01D63/0821—Membrane plate arrangements for submerged operation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/06—External membrane module supporting or fixing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/48—Mechanisms for switching between regular separation operations and washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/06—Submerged-type; Immersion type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/30—Mechanical cleaning, e.g. with brushes or scrapers
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は浸漬型濾過膜エレメ
ントに関するもので、さらに詳しく言えば、水処理施設
等における平膜を用いた濾過装置に使用され、その保守
に要する工数を低減できる浸漬型濾過膜エレメントに関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an immersion type filtration membrane element, and more particularly, to an immersion type filtration membrane element used for a filtration apparatus using a flat membrane in a water treatment facility or the like and capable of reducing man-hours required for maintenance. It relates to a filtration membrane element.
【０００２】[0002]
【従来の技術】平膜を用いた濾過装置に使用される浸漬
型濾過膜エレメントは、２枚の平膜がスペーサーを介し
て積層され、その両側部同士が互いに封着された濾過膜
体を複数個並設し、各濾過膜体の両端部をポッティング
等の方法によって固着して一体化し、前記一体化された
端部の一端に、濾過膜体内に連通するように濾液集水部
を設けたものであり、使用時にはこのエレメントを被処
理水槽内に浸漬し、濾過膜体内を負圧にして濾過を行
い、濾液集水部から濾液を得るようにしている。2. Description of the Related Art An immersion type filtration membrane element used in a filtration apparatus using a flat membrane is a filtration membrane element in which two flat membranes are laminated via a spacer, and both sides thereof are sealed to each other. A plurality of filter membranes are juxtaposed, and both ends of each filtration membrane are fixed and integrated by a method such as potting, and a filtrate collecting part is provided at one end of the integrated end so as to communicate with the filtration membrane. At the time of use, the element is immersed in a water tank to be treated, filtration is performed with a negative pressure inside the filtration membrane, and a filtrate is obtained from a filtrate collecting part.
【０００３】そして、上記した浸漬型濾過膜エレメント
では、濾過を継続して行うと濾過膜体の表面にケーキ層
が付着して濾過効率が低下するため、前記エレメントを
浸漬させる被処理水槽内に曝気装置を設け、この曝気装
置から濾過膜体間に定期的または連続的に気泡を噴出さ
せて付着したケーキ層を除去するようにしている。In the above-mentioned immersion type filtration membrane element, if the filtration is continuously performed, a cake layer adheres to the surface of the filtration membrane and the filtration efficiency is reduced. An aeration device is provided, and bubbles are periodically or continuously ejected from the aeration device between the filtration membranes to remove the attached cake layer.
【０００４】ところが、上記した平膜を用いた濾過装置
に使用される浸漬型濾過膜エレメントでは、濾過膜体間
に気泡を噴出させても、付着したケーキ層が除去できる
ほどの乱流を生じないという問題や、噴出させた気泡の
すべてが確実に濾過膜体間に送り込まれないという問題
があり、付着したケーキ層を十分に除去するには至って
いないのが現状である。However, in the immersion type filtration membrane element used in the above-mentioned filtration device using a flat membrane, even if air bubbles are ejected between the filtration membranes, a turbulent flow is generated so that the attached cake layer can be removed. There is a problem that there is no bubble, and there is a problem that all of the ejected bubbles are not reliably sent between the filtration membranes. At present, it has not yet been possible to sufficiently remove the attached cake layer.
【０００５】上記の如き問題を解決するような浸漬型濾
過膜エレメントを用いた濾過装置として特開平６−３１
９９６４号公報に記載されたものがある。[0005] Japanese Patent Laid-Open No. 6-31 discloses a filtration apparatus using a submerged filtration membrane element which solves the above-mentioned problems.
There is one described in Japanese Patent No. 9964.
【０００６】すなわち、上記した公報に記載されたもの
は、濾過液流路部材１１の両面に半透性平膜１２を添付
し、上下の縁端を接着剤１３で封止した平型濾過膜セル
１を複数枚、乱流発生板２を介して積層し、この積層体
を幅両端において結着し、前記平型濾過膜セル１と乱流
発生板２との間を、被処理液槽５１内に設けた散気配管
５８からのエアが被処理水とともに上昇して乱流を生じ
させるようにしたものである。That is, the above-mentioned publication discloses a flat filtration membrane in which a semipermeable flat membrane 12 is attached to both sides of a filtrate passage member 11 and upper and lower edges are sealed with an adhesive 13. A plurality of cells 1 are stacked via a turbulence generating plate 2, and the stacked body is bound at both ends of a width, and a liquid tank to be treated is provided between the flat filtration membrane cell 1 and the turbulence generating plate 2. The air from the air diffusing pipe 58 provided in the inside 51 rises together with the water to be treated and causes turbulence.
【０００７】上記した公報に記載されたものでは、乱流
発生板２によって乱流が生じ、それによって付着したケ
ーキ層の除去を促進することができる。In the above-mentioned publication, a turbulent flow is generated by the turbulent flow generating plate 2, thereby facilitating the removal of the cake layer adhering thereto.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、上記し
た公報に記載されたものでは、散気配管５８が平型濾過
膜セル１を浸漬させる被処理液槽５１の下方に設けられ
ているため、散気配管５８から噴出させた気泡のすべて
が確実に平型濾過膜セル１の間に送り込まれず、付着し
たケーキ層を効率よく除去するという点では不十分であ
る。本発明が解決しようとする課題は、上記したような
問題を解決し、付着したケーキ層を効率よく確実に除去
することにより、保守に要する工数を低減するという目
的を達成することである。However, in the apparatus described in the above-mentioned publication, since the air diffusion pipe 58 is provided below the liquid tank 51 to be immersed in the flat filtration membrane cell 1, the air diffusion pipe 58 is provided. All of the air bubbles ejected from the air pipe 58 are not reliably sent between the flat filtration membrane cells 1, and it is insufficient to efficiently remove the attached cake layer. The problem to be solved by the present invention is to solve the above-mentioned problem and achieve the object of reducing the number of steps required for maintenance by efficiently and surely removing the attached cake layer.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決するた
め、請求項１記載の浸漬型濾過膜エレメントは、２枚の
平膜がスペーサーを介して積層され、その両側部同士が
互いに封着された濾過膜体を複数個並設し、各濾過膜体
の各端部が一体化されるとともに、前記一体化された端
部の少なくとも一端に、前記濾過膜体内に連通するよう
に濾液集水部が設けられ、前記一体化された端部の他端
に、前記濾過膜体間に位置するように曝気装置が設けら
れていることを特徴とするものであり、これにより、曝
気装置から噴出させた気泡のすべてを確実に濾過膜体間
に送り込むことができ、この気泡によって被処理水が一
体化された端部の間で対流し、濾過膜体間に乱流を生
じ、付着したケーキ層の除去を促進することができる。According to a first aspect of the present invention, there is provided an immersion type filtration membrane element wherein two flat membranes are laminated via a spacer, and both sides thereof are sealed to each other. A plurality of filtration membranes are arranged side by side, and each end of each filtration membrane is integrated, and at least one end of the integrated end is connected to the filtration membrane so as to communicate with the filtration membrane. And an aeration device is provided at the other end of the integrated end so as to be located between the filtration membranes, whereby the aeration device is ejected from the aeration device. All of the generated bubbles can be reliably sent between the filtration membranes, and the bubbles cause convection of the water to be treated between the integrated ends, causing turbulence between the filtration membranes and causing the adhering cake. Removal of the layer can be facilitated.
【００１０】また、請求項２記載の発明は、請求項１記
載の浸漬型濾過膜エレメントにおいて、曝気装置を設け
た一体化された端部を下端とすることを特徴とするもの
であり、これにより、曝気装置から噴出させた気泡を濾
過膜体間に加速させて送り込むことができる。According to a second aspect of the present invention, in the immersion type filtration membrane element according to the first aspect, an integrated end provided with an aerator is a lower end. Accordingly, the bubbles ejected from the aeration device can be accelerated and sent between the filtration membranes.
【００１１】また、請求項３記載の発明は、請求項１記
載の浸漬型濾過膜エレメントにおいて、一体化された端
部の間に濾過膜体の張りを調節する機構が設けられてい
ることを特徴とするものであり、これにより、気泡によ
って除去できなかったケーキ層の除去を促進したり、濾
過膜体同士の付着を防止することができる。According to a third aspect of the present invention, there is provided the immersion type filtration membrane element according to the first aspect, wherein a mechanism for adjusting the tension of the filtration membrane is provided between the integrated ends. This makes it possible to promote the removal of the cake layer that could not be removed by the bubbles and prevent the filtration membranes from adhering to each other.
【００１２】[0012]
【発明の実施の形態】以下、本発明を実施の形態に基づ
いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments.
【００１３】図１は本発明の実施の形態に係る浸漬型濾
過膜エレメントの斜視図である。FIG. 1 is a perspective view of a submerged filtration membrane element according to an embodiment of the present invention.
【００１４】図１に示した浸漬型濾過膜エレメントの特
徴は、２枚の平膜がスペーサーを介して積層され、その
両側部同士が互いに封着された濾過膜体１を複数個並設
し、各濾過膜体１の各端部Ａ，Ｂがポッティング２によ
って一体化されるとともに、前記一体化された端部の一
端Ａに、前記濾過膜体１内に連通するように濾液集水部
３が設けられ、前記一体化された端部の他端Ｂに、前記
濾過膜体１間に位置するように曝気装置４が設けられて
いることである。The feature of the immersion type filtration membrane element shown in FIG. 1 is that a plurality of filtration membranes 1 in which two flat membranes are laminated via a spacer and both sides thereof are sealed to each other are arranged side by side. The end portions A and B of the filtration membranes 1 are integrated by the potting 2, and the filtrate collecting section is connected to one end A of the integrated end so as to communicate with the inside of the filtration membrane 1. 3, and an aeration device 4 is provided at the other end B of the integrated end so as to be located between the filtration membranes 1.
【００１５】前記濾液集水部３は、濾過膜体１の一端Ａ
を閉塞するようにポッティング２で固着した後、該ポッ
ティング２の一部を切除して閉塞された濾過膜体１の一
端を開口させ、この開口させた部分に設けている。これ
により、濾過膜体１内と濾液集水部３とを連通させるこ
とができる。また、この濾液集水部３は濾過膜体１の一
端Ａに設けているが、濾過膜体１の他端Ｂにも設けても
よい。The filtrate collecting part 3 is connected to one end A of the filtration membrane 1.
After being fixed by the potting 2 so as to close the filter membrane, a part of the potting 2 is cut off to open one end of the closed filter membrane 1, and the filter membrane 1 is provided in the opened portion. Thereby, the inside of the filtration membrane 1 and the filtrate collecting part 3 can be communicated. Further, the filtrate collecting part 3 is provided at one end A of the filtration membrane 1, but may be provided at the other end B of the filtration membrane 1.
【００１６】また、前記曝気装置４は形状が同一であ
り、圧力損失が同一になるように設計された曝気孔４１
を有しており、濾過膜体１の他端Ｂを閉塞するようにポ
ッティング２で一体化する際に前記曝気装置４を濾過膜
体１間に配設したり、ポッティング２自体に前述した如
き曝気孔４１が形成されるような構造にすることもでき
る。The aeration device 4 has the same shape and the aeration holes 41 designed to have the same pressure loss.
The aeration device 4 is disposed between the filtration membranes 1 when integrating with the potting 2 so that the other end B of the filtration membrane 1 is closed, or the potting 2 itself can be provided as described above. A structure in which the aeration holes 41 are formed may be employed.
【００１７】上記した浸漬型濾過膜エレメントを図示し
ていない被処理水槽内に浸漬し、濾液集水部３から吸引
することによって濾過膜体１内を負圧にすると、濾過が
行われ、前記濾液集水部３から濾液を得ることができ
る。When the above-mentioned immersion type filtration membrane element is immersed in a water tank to be treated (not shown), and the inside of the filtration membrane body 1 is made to have a negative pressure by sucking from the filtrate collecting part 3, filtration is performed. A filtrate can be obtained from the filtrate collecting part 3.
【００１８】そして、継続して濾過を行い、濾過膜体１
の表面にケーキ層が付着した場合には、前記曝気装置４
から濾過膜体１間に気泡を噴出させて付着したケーキ層
を除去するようにしている。この気泡は、濾過膜体１の
各端部Ａ，Ｂがポッティング２によって一体化されてい
るので、被処理水には図示したような両側部間の対流が
生じ、噴出する気泡との相互作用によって乱流となり、
ケーキ層の除去を促進させることができる。Then, filtration is continuously performed, and the filtration membrane 1
When the cake layer adheres to the surface of the
Then, air bubbles are ejected between the filtration membranes 1 to remove the attached cake layer. Since the ends A and B of the filtration membrane 1 are integrated by the potting 2, convection occurs between the both sides of the water to be treated as shown in FIG. Turbulence
Removal of the cake layer can be promoted.
【００１９】上記した実施の形態に係る浸漬型濾過膜エ
レメントでは、濾液集水部３が設けられたポッティング
２の一端２Ａを上端とし、曝気装置４が設けられたポッ
ティング２の他端２Ｂを下端とすれば、濾過膜体１間に
気泡を加速させて送り込むことができ、ケーキ層の除去
をさらに促進することができる。In the immersion type filtration membrane element according to the above-described embodiment, one end 2A of the potting 2 provided with the filtrate collecting part 3 is set as the upper end, and the other end 2B of the potting 2 provided with the aeration device 4 is set as the lower end. In this case, bubbles can be accelerated and sent between the filtration membranes 1, and the removal of the cake layer can be further promoted.
【００２０】図２は図１に示した浸漬型濾過膜エレメン
トの変形例に係る断面図である。FIG. 2 is a sectional view showing a modification of the immersion type filtration membrane element shown in FIG.
【００２１】図２に示した浸漬型濾過膜エレメントの特
徴は、２枚の平膜１Ａ，１Ｂがスペーサー１Ｃを介して
積層され、その両側部同士が互いに封着された濾過膜体
１を複数個並設し、各濾過膜体１の各一端Ａ間に保持体
５Ａを介挿し、各他端Ｂ間に保持体５Ｂを介挿し、各端
部Ａ，Ｂにおいて前記保持体５Ａ，５Ｂにボルト６Ａ，
６Ｂを挿通させ、ナット７Ａ，７Ｂによって一体化する
とともに、前記一体化された端部の一端Ａに、前記濾過
膜体１内に連通するように濾液集水管８を挿通させ、前
記一体化された端部の他端Ｂに、前記濾過膜体１間に位
置するように曝気装置４を設けたことである。The feature of the immersion type filtration membrane element shown in FIG. 2 is that a plurality of filtration membrane bodies 1 in which two flat membranes 1A and 1B are laminated via a spacer 1C and both sides are sealed to each other. The holding members 5A are inserted between the one ends A of the respective filtration membranes 1 and the holding members 5B are inserted between the other ends B. Bolt 6A,
6B, and are integrated by nuts 7A and 7B, and the filtrate collecting pipe 8 is inserted into one end A of the integrated end so as to communicate with the inside of the filtration membrane body 1. The aerating device 4 is provided at the other end B of the end portion so as to be located between the filtration membranes 1.
【００２２】図３は本発明の浸漬型濾過膜エレメントの
他の実施の形態に係る断面図である。FIG. 3 is a sectional view of another embodiment of the immersion type filtration membrane element of the present invention.
【００２３】図３に示した浸漬型濾過膜エレメントの特
徴は、各端部Ａ，Ｂのポッティング２間にテンショナー
のような濾過膜体１の張りを調節する機構５が設けられ
ていることであり、この機構５によって濾過膜体１の張
りを調節すると、気泡によって除去できなかったケーキ
層を除去したり、濃度が高くなった被処理水中で濾過膜
体１同士の付着を防止することができる。The feature of the immersion type filtration membrane element shown in FIG. 3 is that a mechanism 5 for adjusting the tension of the filtration membrane 1 such as a tensioner is provided between the pottings 2 at the ends A and B. When the tension of the filtration membrane 1 is adjusted by the mechanism 5, it is possible to remove a cake layer that could not be removed by air bubbles or to prevent the filtration membranes 1 from adhering to each other in the treated water having a high concentration. it can.
【００２４】次に、１０個の、公称孔径が０．２５μ
ｍ、幅が５００ｍｍ、高さが１０００ｍｍのポリオレフ
ィン製の平膜を用いた濾過膜体１からなる浸漬型濾過膜
エレメントを用い、−１０００〜−１５００ｍｍＡｑの
水圧下でサイホン吸引方式によって、適宜０．５〜１．
０ｍ／分の曝気による濾過膜体１の洗浄を行いながら濾
過を６か月間継続し、濾過膜体１の透過水量の変化を調
査したところ、曝気によって濾過膜体１の洗浄を行なっ
た後は透過水量が完全に回復することがわかった。Next, ten pieces with a nominal pore size of 0.25 μm
m, a width of 500 mm, and a height of 1000 mm, using a immersion filtration membrane element comprising a filtration membrane body 1 using a flat membrane made of polyolefin, and appropriately using a siphon suction method under a water pressure of -1000 to -1500 mmAq. 5-1.
Filtration was continued for 6 months while washing the filtration membrane 1 by aeration at 0 m / min, and the change in the amount of permeated water of the filtration membrane 1 was investigated. After the filtration membrane 1 was washed by aeration, It was found that the amount of permeated water was completely recovered.
【００２５】このことから、本発明の浸漬型濾過膜エレ
メントによれば、該エレメントを被処理水槽から取り出
して洗浄するといった保守に要する工数を低減できるこ
とがわかる。From this, it can be seen that the immersion type filtration membrane element of the present invention can reduce the number of steps required for maintenance such as taking out the element from the water tank to be treated and cleaning it.
【００２６】[0026]
【発明の効果】上記した如く、本発明の浸漬型濾過膜エ
レメントは、曝気による濾過膜体の洗浄の効果を良好に
することができ、それを被処理水槽から取り出して洗浄
するといった保守に要する工数を低減することができ
る。As described above, the immersion type filtration membrane element of the present invention can improve the effect of cleaning the filtration membrane by aeration, and is required for maintenance such as taking out the filtration membrane from the water tank and cleaning it. Man-hours can be reduced.
【図１】本発明の実施の形態に係る浸漬型濾過膜エレメ
ントの斜視図である。FIG. 1 is a perspective view of a submerged filtration membrane element according to an embodiment of the present invention.
【図２】図１の実施の形態に係る浸漬型濾過膜エレメン
トの変形例の断面図である。FIG. 2 is a cross-sectional view of a modification of the immersion filtration membrane element according to the embodiment of FIG.
【図３】本発明の他の実施の形態に係る浸漬型濾過膜エ
レメントの斜視図である。FIG. 3 is a perspective view of a submerged filtration membrane element according to another embodiment of the present invention.
１ 濾過膜体 ２ ポッティング ３ 濾液集水部 ４ 曝気装置 ５Ａ，５Ｂ 保持体 ６Ａ，６Ｂ ボルト ７Ａ，７Ｂ ナット ８ 濾液集水管 ９ 濾過膜体の張りを調節する機構 DESCRIPTION OF SYMBOLS 1 Filtration membrane 2 Potting 3 Filtrate water collecting part 4 Aerator 5A, 5B Holder 6A, 6B Bolt 7A, 7B Nut 8 Filtrate water collecting pipe 9 Mechanism for adjusting tension of filtration membrane
Claims (3)
れ、その両側部同士が互いに封着された濾過膜体を複数
個並設し、各濾過膜体の各端部が一体化されるととも
に、前記一体化された端部の少なくとも一端に、前記濾
過膜体内に連通するように濾液集水部が設けられ、前記
一体化された端部の他端に、前記濾過膜体間に位置する
ように曝気装置が設けられていることを特徴とする浸漬
型濾過膜エレメント。1. A flat membrane is laminated with a spacer interposed therebetween, and a plurality of filter membranes, both sides of which are sealed together, are arranged side by side, and each end of each filter membrane is integrated. At the same time, at least one end of the integrated end is provided with a filtrate collecting part so as to communicate with the inside of the filtration membrane, and at the other end of the integrated end, between the filtration membranes. An immersion-type filtration membrane element, wherein an aeration device is provided so as to be located.
において、曝気装置を設けた一体化された端部を下端と
することを特徴とする浸漬型濾過膜エレメント。2. The submerged filtration membrane element according to claim 1, wherein an integrated end provided with an aerator is a lower end.
において、一体化された端部の間に濾過膜体の張りを調
節する機構が設けられていることを特徴とする浸漬型濾
過膜エレメント。3. The immersion type filtration membrane element according to claim 1, wherein a mechanism for adjusting the tension of the filtration membrane body is provided between the integrated ends. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9077254A JPH10263371A (en) | 1997-03-28 | 1997-03-28 | Immersion type filter membrane element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9077254A JPH10263371A (en) | 1997-03-28 | 1997-03-28 | Immersion type filter membrane element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10263371A true JPH10263371A (en) | 1998-10-06 |
Family
ID=13628731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9077254A Pending JPH10263371A (en) | 1997-03-28 | 1997-03-28 | Immersion type filter membrane element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10263371A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1016705C2 (en) * | 2000-11-24 | 2002-05-27 | Paques Water Systems B V | Device and method for cleaning a fluid, such as water. |
| JP2007044666A (en) * | 2005-08-12 | 2007-02-22 | Toray Ind Inc | Hollow fiber membrane module |
| CN103118769A (en) * | 2010-07-13 | 2013-05-22 | 川崎重工业株式会社 | Immersion type membrane filtration unit and immersion type membrane filtration apparatus |
| KR101319414B1 (en) * | 2007-04-25 | 2013-10-17 | 코오롱인더스트리 주식회사 | One-body typed submerged hollow fiber membrane module and preparation method thereof |
| WO2016087638A1 (en) * | 2014-12-05 | 2016-06-09 | Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) | Membrane cartridge with integrated functions |
| CN113694737A (en) * | 2021-08-13 | 2021-11-26 | 万华化学集团股份有限公司 | Self-cleaning water inlet separation net and application |
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1997
- 1997-03-28 JP JP9077254A patent/JPH10263371A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1016705C2 (en) * | 2000-11-24 | 2002-05-27 | Paques Water Systems B V | Device and method for cleaning a fluid, such as water. |
| WO2002041980A1 (en) * | 2000-11-24 | 2002-05-30 | Paques Water Systems B.V. | Device and method for cleaning a fluid, such as water |
| JP2007044666A (en) * | 2005-08-12 | 2007-02-22 | Toray Ind Inc | Hollow fiber membrane module |
| KR101319414B1 (en) * | 2007-04-25 | 2013-10-17 | 코오롱인더스트리 주식회사 | One-body typed submerged hollow fiber membrane module and preparation method thereof |
| CN103118769A (en) * | 2010-07-13 | 2013-05-22 | 川崎重工业株式会社 | Immersion type membrane filtration unit and immersion type membrane filtration apparatus |
| WO2016087638A1 (en) * | 2014-12-05 | 2016-06-09 | Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) | Membrane cartridge with integrated functions |
| CN106999859A (en) * | 2014-12-05 | 2017-08-01 | 佛兰芒技术研究所有限公司 | Bellows with integrated functionality |
| JP2017537782A (en) * | 2014-12-05 | 2017-12-21 | フェート・エンフェー （フラームス・インステリング・フーア・テクノロジシュ・オンダーゾエク・エンフェー） | Membrane cartridge with integrated functions |
| US10300437B2 (en) | 2014-12-05 | 2019-05-28 | Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) | Membrane cartridge with integrated functions |
| CN106999859B (en) * | 2014-12-05 | 2020-05-19 | 佛兰芒技术研究所有限公司 | Diaphragm capsule with integrated function |
| CN113694737A (en) * | 2021-08-13 | 2021-11-26 | 万华化学集团股份有限公司 | Self-cleaning water inlet separation net and application |
| CN113694737B (en) * | 2021-08-13 | 2024-05-03 | 万华化学集团股份有限公司 | Self-cleaning water inlet partition net and application |
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