JP3094407B2 - Concentrator using hollow fiber membrane - Google Patents
Concentrator using hollow fiber membraneInfo
- Publication number
- JP3094407B2 JP3094407B2 JP06172139A JP17213994A JP3094407B2 JP 3094407 B2 JP3094407 B2 JP 3094407B2 JP 06172139 A JP06172139 A JP 06172139A JP 17213994 A JP17213994 A JP 17213994A JP 3094407 B2 JP3094407 B2 JP 3094407B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- fiber membrane
- frame
- hollow
- frames
- 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 - Fee Related
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、中空糸膜を用いた濃
縮装置の改良に関し濃縮室が簡単に構成でき、設置面積
当たりの濃縮効率がよく、然も、運転操作やメンテナン
スが容易な装置を提供せんとするものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a concentrating apparatus using a hollow fiber membrane, which can easily constitute a concentrating chamber, has a high concentrating efficiency per installation area, and is easy to operate and maintain. Is to be provided.
【０００２】[0002]
【従来の技術】従来、食品排水や下水の処理水等をセラ
ミック膜や高分子量材で構成した中空糸膜を用いてろ過
濃縮することは公知である。特開平２−３０７５０４
号、特開平４−１３５６３２号は、その例であり、これ
らはセラミック膜よりなるろ材や、中空糸膜を密閉タン
ク内に吊設している。2. Description of the Related Art Conventionally, it is known to filter and concentrate food wastewater or sewage treatment water using a ceramic membrane or a hollow fiber membrane composed of a high molecular weight material. JP-A-2-307504
Japanese Patent Application Laid-Open No. Hei 4-135632 is an example of such a technique, in which a filter medium made of a ceramic membrane and a hollow fiber membrane are suspended in a closed tank.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、上述のよ
うな従来装置では、濃縮のために使用するろ材（ろ過
膜）は、密閉タンク内に設けられており、取付けるのに
手数がかかる上、目詰まりしたときの再生や交換が面倒
であり、さらに、運転には高圧力を用いるため、密閉タ
ンクも頑丈に構成しなければならず高価である。However, in the above-mentioned conventional apparatus, the filter medium (filtration membrane) used for concentration is provided in a closed tank, which takes time and effort to mount. Regeneration and replacement when clogged are troublesome, and since high pressure is used for operation, the sealed tank must be rugged and expensive.
【０００４】[0004]
【課題を解決するための手段】この発明は、上述のよう
な課題を解決し得るものであって、その要旨とするとこ
ろは、額縁上の中空の枠体を一対のガイドレール上に多
数並列し、この枠体を互いに密着させることにより、濃
縮室を形成することができるようにするとともに、枠体
の中空部には、中空糸膜を散気管の周囲に多数集束して
なる中空糸膜モジュールを並列し、その中空糸膜の中空
部を枠体に設けたろ液の取出路に連通させ、一方、各枠
体内には、その中空部に連通して且つ各枠体を密着させ
たとき、連通管を形成することができる原液の供給路
と、上記散気管に連通する高圧空気路および上記中空糸
膜モジュールの中空糸膜の集束部内に開口するバブリン
グ空気の通路を設けたものである。SUMMARY OF THE INVENTION The present invention can solve the above-mentioned problems, and the gist of the invention is that a large number of hollow frames on a picture frame are arranged in parallel on a pair of guide rails. By making the frames close together, it is possible to form a concentration chamber, and in the hollow part of the frame, a hollow fiber membrane formed by bundling a large number of hollow fiber membranes around a diffuser tube is provided. When the modules are arranged in parallel, the hollow portion of the hollow fiber membrane is communicated with the filtrate taking-out path provided in the frame, while each frame is connected to the hollow portion and each frame is brought into close contact with each other. A supply path for the undiluted solution capable of forming a communication pipe, a high-pressure air path communicating with the diffuser pipe, and a bubbling air path opening inside the converging section of the hollow fiber membrane of the hollow fiber membrane module. .
【０００５】[0005]
【作用】この発明に係る装置は、上述のように構成して
あり、各ろ枠を開枠して互いに密着させれば、その内部
に多数のろ過膜を並列した大型の高圧濃縮室を形成する
ことができる。従って、バブリングエヤーを送りつつろ
枠内に設けた流路から濃縮すべき原液を供給すると、そ
の原液は、濃縮室全体に分散されて多数並列した中空糸
膜でろ過濃縮される。そして、ろ過分離されたろ液は、
中空糸膜の中空部から枠体内に設けた取出路を通って機
外に取り出され、濃縮室内には、ろ液が分離された濃縮
液が溜まる。このような運転をしてろ液の排出量が減少
したときには、濃縮室の原液は充分濃縮されたものであ
り、同時に、中空糸膜も目詰まりしているので、ろ枠を
開枠することにより濃縮液を落下させて機外に取り出す
ことができる。一方、目詰まりした中空糸膜に対しては
ろ液取出用の流路から、逆洗流体を送ることで目詰まり
物を吹き抜き目詰まりを解消することができる。The apparatus according to the present invention is constructed as described above. If each filter frame is opened and brought into close contact with each other, a large-sized high-pressure concentrating chamber in which a number of filtration membranes are arranged in parallel is formed. can do. Therefore, when a stock solution to be concentrated is supplied from a flow path provided in the filter frame while sending bubbling air, the stock solution is dispersed throughout the concentration chamber and is filtered and concentrated by a plurality of parallel hollow fiber membranes. And the filtrate separated by filtration is
The concentrated liquid from which the filtrate has been separated is collected from the hollow portion of the hollow fiber membrane to the outside of the apparatus through an extraction path provided in the frame body, and is collected in the concentration chamber. When the discharge amount of the filtrate is reduced by such operation, the stock solution in the concentration chamber is sufficiently concentrated, and at the same time, the hollow fiber membrane is also clogged. The concentrate can be dropped and taken out of the machine. On the other hand, by feeding a backwash fluid to the clogged hollow fiber membrane from the filtrate take-out channel, the clogged material can be blown out and clogged.
【０００６】また、これと同時に散気管から高圧空気を
噴出させることによって、逆洗によって剥離したケーキ
および中空糸膜モジュール内のケーキをモジュール外に
吹き払うことができ、中空糸膜を完全に再生することが
できる。[0006] Simultaneously with this, high pressure air is blown out from the air diffuser, so that the cake peeled off by back washing and the cake in the hollow fiber membrane module can be blown out of the module, and the hollow fiber membrane is completely regenerated. can do.
【０００７】このようにして、逆洗した中空糸膜モジュ
ール内にケーキがないので、原液の流動性がよく、濃縮
されているにも拘らず、続いて濃縮作業をすることが可
能である。然しながら、所望の濃度に達した場合、枠体
を開枠して濃縮液を取り出してもよい。[0007] In this way, since there is no cake in the backwashed hollow fiber membrane module, the stock solution has good fluidity and it is possible to continue the concentration operation despite the concentration. However, when the desired concentration is reached, the frame may be opened and the concentrated solution may be removed.
【０００８】また、上記のように枠体を開枠したときに
は、中空糸膜が露出するので、散気管でブローし切れな
い部位のケーキを完全に除去することができる。このよ
うな濃縮室の開放にも濃縮室の形成にも、この発明によ
れば、枠体をガイドレールに沿って開閉するのみで足
り、従来の高圧タンクを用いた濃縮装置に比較すれば、
製作上も操作上も安価なものである。また、枠体数を増
減することによって、所望の能力を有する装置を簡単に
設置することができる。以下、図面に基づいて、この発
明を具体的に説明する。Further, when the frame body is opened as described above, the hollow fiber membrane is exposed, so that the cake that cannot be completely blown off by the air diffuser can be completely removed. According to the present invention, it is only necessary to open and close the frame body along the guide rails for opening and concentrating such a concentrating chamber, as compared with a conventional concentrating apparatus using a high-pressure tank.
It is inexpensive in both production and operation. Further, by increasing or decreasing the number of frames, a device having a desired capability can be easily installed. Hereinafter, the present invention will be specifically described with reference to the drawings.
【０００９】[0009]
【実施例】図１は、この発明に係る濃縮装置の概略の側
面図であり、図中、符号１は左右に配設したフレーム、
２は、このフレーム管に橋架した一対のガイドレール、
３は、ガイドレール２上に移動自在に配列した枠体であ
る。符号４は、枠体３を締め付けるための可動ヘッド、
５は固定ヘッド、６は可動ヘッド４に一体に設けた締付
シリンダー、７は枠体３の開枠装置であり、その上部に
洗浄管７ａを備えており、チェーン８でレール９上を移
動できるようにしてある。FIG. 1 is a schematic side view of a concentrator according to the present invention. In FIG.
2 is a pair of guide rails bridged to this frame tube,
Reference numeral 3 denotes a frame movably arranged on the guide rail 2. Reference numeral 4 denotes a movable head for fastening the frame 3,
5 is a fixed head, 6 is a tightening cylinder provided integrally with the movable head 4, 7 is a frame opening device for the frame 3, which is provided with a washing pipe 7 a on the upper part thereof and moves on a rail 9 by a chain 8. I can do it.
【００１０】次に、この発明に係る濃縮部の構成を図２
および図３に基づいて説明する。図２は、この発明に用
いる中空糸膜モジュールを示し、符号１０は中空糸膜で
あって、散気管１１の周囲に多数配列してあって、その
下端は止金１２で盲状に集束され、その上端は止金１３
で集束されてろ液室１４に開口するようにしてある。符
号１５は、散気空気の供給管、１６は、バブリングエヤ
ーの噴出ノズルであり、その上端の開口が中空糸膜１０
の集束内に向けて開口させてある。尚、図２において符
号１７は、補強リングであり、散気管１１からのエヤー
で中空糸膜１０が大きく撓んで破損するのを防止するた
めのものである。Next, the configuration of the enrichment unit according to the present invention is shown in FIG.
A description will be given based on FIG. FIG. 2 shows a hollow fiber membrane module used in the present invention. Reference numeral 10 denotes a hollow fiber membrane, which is arranged in a large number around a diffuser tube 11 and whose lower end is blindly focused by a clasp 12. , Its upper end is a stopper 13
And is opened to the filtrate chamber 14. Reference numeral 15 denotes a diffused air supply pipe, 16 denotes a bubbling air jet nozzle, and the opening at the upper end thereof is the hollow fiber membrane 10.
Is opened into the focusing area. In FIG. 2, reference numeral 17 denotes a reinforcing ring for preventing the hollow fiber membrane 10 from being largely bent and damaged by air from the air diffuser 11 .
【００１１】図３は、上述のように構成した中空糸膜モ
ジュールＡを枠体３内に配列した状態を示し、散気管１
１の上端は、枠体３内に設けた散気空気の供給路１８に
連結されて高圧空気源に連結され、散気管１１の下端
は、バブリングエヤーの噴出ノズル１６内に臨ませてあ
る。尚、図３において符号１９は、原液の供給路を示
し、枠体３を合着したとき、各枠体３の原液の供給路１
９が結合されて一本の管路を形成するようにしてある。
２０はろ液の取出管を示す。FIG. 3 shows a state in which the hollow fiber membrane modules A configured as described above are arranged in the frame 3, and
The upper end of 1 is connected to a diffused air supply passage 18 provided in the frame 3 and connected to a high-pressure air source, and the lower end of the diffuser tube 11 faces the ejection nozzle 16 of the bubbling air. In FIG. 3, reference numeral 19 denotes a stock solution supply path, and when the frame bodies 3 are joined together, the stock solution supply path 1 of each frame body 3 is attached.
9 are combined to form a single conduit.
Reference numeral 20 denotes a pipe for taking out a filtrate.
【００１２】この発明に係る装置は、上述のように構成
してあり、締付シリンダ６により枠体３を閉枠して締め
付けると、多数の中空糸膜モジュールＡを内蔵した強固
な濃縮室を形成することができる。したがって、この濃
縮室に原液の供給路１９から原液を供給すると、その液
分が中空糸膜１０によって分離され、ろ液の取出管２０
から機外に取り出され、濃縮室内に液分が分離された濃
縮液を得ることができる。The apparatus according to the present invention is constructed as described above. When the frame 3 is closed and tightened by the tightening cylinder 6, a strong concentration chamber containing a large number of hollow fiber membrane modules A is built. Can be formed. Therefore, when the undiluted solution is supplied to the concentration chamber from the undiluted solution supply passage 19, the undiluted solution is separated by the hollow fiber membrane 10 and the filtrate is taken out from the pipe 20.
From the apparatus, and a concentrated liquid having a liquid separated in the concentration chamber can be obtained.
【００１３】次に、このような濃縮作業を継続して、ろ
液の取出管２０からの分離液の排出が減少したときに
は、各枠体３を開枠することによって、濃縮室を開放す
ることができ、内部の濃縮液を落下させ、これをトレイ
等で受けることによって回収することができる。その
後、図１のように、開枠装置７に洗浄管７ａを設けてお
けば、枠体３のシール面や中空糸膜１０の外周面に付着
した固形物までも洗い落とすことができる。[0013] Next, to continue this kind of concentrated work, and the filtrate
When the discharge of the separated liquid from the liquid discharge pipe 20 is reduced, the enrichment chamber can be opened by opening each of the frames 3 so that the internal concentrated liquid is dropped and received by a tray or the like. Can be recovered. Thereafter, as shown in FIG. 1, if a washing pipe 7 a is provided in the frame opening device 7, it is possible to wash off even solid substances attached to the sealing surface of the frame 3 and the outer peripheral surface of the hollow fiber membrane 10.
【００１４】また、この発明では、分離液量が少なくな
ったとき（ろ過膜が目詰まりしたとき）必ずしも枠体３
を開枠することなく、閉枠した状態でろ液の取出管２０
側から高圧流体（高圧空気等）を圧入することで、中空
糸膜１０の目詰まりを吹き抜いて再生することができ
る。このとき、吹き抜いた固形物を含む濃縮液は、原液
の供給路１９から機外に取り出すことができるものであ
る。このとき、散気管１１から高圧空気を噴出させるこ
とによって、上述の逆洗流体によって剥離したケーキを
中空糸膜１０の集束外に吹き抜くことができ、次段の運
転時に管束内における原液の流動を円滑にして濃縮効率
を高めることができる。Further, in the present invention, when the amount of the separated liquid is small (when the filtration membrane is clogged), the frame 3 is not necessarily required.
Without Hirakiwaku the take-out tube 20 of the filtrate while閉枠
By injecting a high-pressure fluid (high-pressure air or the like) from the side, clogging of the hollow fiber membrane 10 can be blown out for regeneration. At this time, the concentrated liquid containing the blown-out solids can be taken out of the apparatus from the supply path 19 of the stock solution. At this time, the high-pressure air is blown out of the air diffuser 11 so that the cake separated by the backwash fluid can be blown out of the bundle of the hollow fiber membrane 10 , and the flow of the undiluted solution in the tube bundle at the next stage operation. And the concentration efficiency can be increased.
【００１５】さらに、この発明では、中空糸膜１０が目
詰まりしたときにこれを更新するに当たって、枠体３を
開枠するとともに、逆洗流体を送ることによって中空糸
膜１０を内外から同時に洗浄再生することも可能であ
る。尚、図１に示すものでは、枠体３を一枚宛開枠する
ようにしているが、多数の枠体を同時に開枠するように
したものにも適用できるは勿論である。Further, in the present invention, when the hollow fiber membrane 10 is clogged and is renewed, the hollow fiber membrane 10 is simultaneously washed from the inside and outside by opening the frame 3 and sending backwash fluid. Playback is also possible. In the embodiment shown in FIG. 1, the frame 3 is opened one by one. However, it is needless to say that the present invention can be applied to a case where a large number of frames are opened simultaneously.
【００１６】[0016]
【発明の効果】以上の説明で明らかなように、この発明
に係る濃縮装置は、高圧力に耐える構造を必要とする濃
縮室を極めて簡便に構成できるとともに、その濃縮室に
多数の中空糸膜を並列してろ過面積の広い効率の高い濃
縮装置を形成でき、然も、枠体数を増減するのみで簡単
にその大きさを調整でき、さらに、中空糸膜が目詰まり
したときには、逆洗流体と散気管からの空気で中空糸膜
を内外から洗浄して完全に洗浄できるとともに、さら
に、枠体を開枠することによって中空糸膜を濃縮室から
取り出した状態とすることができるので、ろ過膜の点検
やメンテナンス等が容易にできるものである。As is apparent from the above description, the concentrating apparatus according to the present invention can extremely easily construct a concentrating chamber requiring a structure capable of withstanding high pressure, and can provide a large number of hollow fiber membranes in the concentrating chamber. Can be formed in parallel to form a high-efficiency concentrator with a large filtration area.The size can be easily adjusted simply by increasing or decreasing the number of frames, and when the hollow fiber membrane is clogged, backwashing is performed. Since the hollow fiber membrane can be completely washed by cleaning the hollow fiber membrane from inside and outside with the fluid and air from the air diffuser, and furthermore, by opening the frame, the hollow fiber membrane can be taken out of the concentration chamber. Inspection and maintenance of the filtration membrane can be easily performed.
【図１】この発明を施した濃縮機の概略の側面図であ
る。FIG. 1 is a schematic side view of a concentrator according to the present invention.
【図２】同じく、中空糸膜モジュールの縦断面図であ
る。FIG. 2 is a longitudinal sectional view of the hollow fiber membrane module.
【図３】同じく、枠体の正面図で一部を切開して示して
いる。FIG. 3 is also a partially cutaway front view of the frame.
２ ガイドレール ３ 枠体 １０ 中空糸膜 １１ 散気管 １６ バブリングエヤーの噴出ノズル １９ 原液の供給路 ２０ ろ液の取出管 Ａ 中空糸膜モジュール 2 Guide rail 3 Frame 10 Hollow fiber membrane 11 Air diffuser 16 Bubbling air ejection nozzle 19 Stock solution supply path 20 Filtrate take-out tube A Hollow fiber membrane module
Claims (1)
ール２上に多数並列し、この枠体３を互いに密着させる
ことにより濃縮室を形成することができるようにすると
ともに、枠体３の中空部には、中空糸膜１０を散気管１
１の周囲に多数集束してなる中空糸膜モジュールＡを並
列し、その中空糸膜１０の中空部を枠体３に設けたろ液
の取出路２０に連通させ、一方、各枠体３内には、その
中空部に連通して且つ各枠体３を密着させたとき、連通
管を形成する原液の供給路１９と、上記散気管１１に連
通する高圧空気路および上記中空糸膜モジュールＡの中
空糸膜１０の集束部内に開口するバブリングエヤーの噴
出ノズル１６を設けてなる中空糸膜を用いた濃縮装置。1. A plurality of frame-shaped hollow frames 3 are arranged in parallel on a pair of guide rails 2, and the frames 3 are brought into close contact with each other so that a concentration chamber can be formed. In the hollow part 3, a hollow fiber membrane 10 is
1 and a plurality of hollow fiber membrane modules A, which are bundled together, are arranged in parallel, and the hollow portion of the hollow fiber membrane 10 is communicated with a filtrate taking-out path 20 provided in the frame 3. Are connected to the hollow portion and when the respective frames 3 are brought into close contact with each other, the supply path 19 of the stock solution forming the communication pipe, the high-pressure air path communicating with the diffuser pipe 11 and the hollow fiber membrane module A Injection of bubbling air opening into the converging portion of the hollow fiber membrane 10
A concentration device using a hollow fiber membrane provided with an outlet nozzle 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06172139A JP3094407B2 (en) | 1994-06-29 | 1994-06-29 | Concentrator using hollow fiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06172139A JP3094407B2 (en) | 1994-06-29 | 1994-06-29 | Concentrator using hollow fiber membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0810585A JPH0810585A (en) | 1996-01-16 |
| JP3094407B2 true JP3094407B2 (en) | 2000-10-03 |
Family
ID=15936295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06172139A Expired - Fee Related JP3094407B2 (en) | 1994-06-29 | 1994-06-29 | Concentrator using hollow fiber membrane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3094407B2 (en) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5639373A (en) | 1995-08-11 | 1997-06-17 | Zenon Environmental Inc. | Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| DE69624492T2 (en) | 1995-08-11 | 2003-06-26 | Zenon Environmental Inc | VERTICAL STRAND OF HOLLOW FIBER MEMBRANES AND METHOD FOR MAINTAINING CLEAN FIBER SURFACES |
| AU721064B2 (en) * | 1996-12-20 | 2000-06-22 | Evoqua Water Technologies Llc | Scouring method |
| US6156200A (en) * | 1998-12-08 | 2000-12-05 | Usf Filtration & Separations Group, Inc. | Gas-scrubbed hollow fiber membrane module |
| KR100292189B1 (en) * | 1999-02-20 | 2001-06-01 | 박철휘 | Construction of membrane module |
| NZ562786A (en) | 2005-04-29 | 2010-10-29 | Siemens Water Tech Corp | Chemical clean for membrane filter |
| MY146286A (en) | 2005-08-22 | 2012-07-31 | Siemens Industry Inc | An assembly for water filtration using a tube manifold to minimise backwash |
| US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
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| KR20210141912A (en) * | 2019-03-27 | 2021-11-23 | 쿠리타 고교 가부시키가이샤 | Hollow fiber membrane module and its cleaning method |
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-
1994
- 1994-06-29 JP JP06172139A patent/JP3094407B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810585A (en) | 1996-01-16 |
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