JPH03116A - Membrane separator - Google Patents
Membrane separatorInfo
- Publication number
- JPH03116A JPH03116A JP13184789A JP13184789A JPH03116A JP H03116 A JPH03116 A JP H03116A JP 13184789 A JP13184789 A JP 13184789A JP 13184789 A JP13184789 A JP 13184789A JP H03116 A JPH03116 A JP H03116A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- treated water
- filter membranes
- scraping member
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、チューブ状ろ過膜の複数本を、それらの長さ
方向に並設してケーシング内に固定し、前記ケーシング
の一端側に被処理水をポンプを介して加圧供給する供給
路を設けると共に、他端側から処理済水（または濃縮水
）を排出する排出路を設け、前記ろ過膜の全てに連通接
続するろ過水の回収路を設けてある膜分離装置に関する
。Detailed Description of the Invention [Industrial Field of Application] The present invention provides a method in which a plurality of tubular filtration membranes are arranged in parallel in the length direction and fixed in a casing, and one end side of the casing is covered with a plurality of tubular filtration membranes. A supply path for supplying treated water under pressure via a pump is provided, and a discharge path is provided for discharging the treated water (or concentrated water) from the other end, and the filtrate is collected in communication with all of the filtration membranes. The present invention relates to a membrane separation device provided with a passageway.
従来の上記膜分離装置では、処理水の膜分離に伴ってろ
過動率の低下する原因となるろ過膜表面へのケーキ層や
ゲル層の形成を、防止するために、ろ過膜表面の被処理
水の流速、を速める容量の大きなポンプを使用していた
。In the conventional membrane separation equipment mentioned above, in order to prevent the formation of a cake layer or a gel layer on the surface of the filtration membrane, which causes a decrease in filtration rate due to membrane separation of treated water, the surface of the filtration membrane to be treated is A pump with a large capacity was used to increase the flow rate of water.
しかし、ポンプを駆動するのに大きな動力費が必要とな
ると共に、大きな容量のポンプを設けなければならない
ために、設備費が高くつく欠点があった。However, since a large amount of power is required to drive the pump and a pump with a large capacity must be installed, there is a drawback that the equipment cost is high.
本発明の目的は、処理水の流速を速めることなく、ろ過
動率の低下を防止できるようにする点にある。An object of the present invention is to prevent a decrease in filtration efficiency without increasing the flow rate of treated water.
本発明の膜分離装置の特徴構成は、ろ過膜夫々に摺動自
在に外嵌した付着物掻取部材を、ケーシングに摺動自在
に内嵌し、前記ケーシングに対する供給路と排出路の取
付位置を入れ換える切換手段を設けてあることにあり、
その作用効果は、次の通りである。The characteristic configuration of the membrane separation device of the present invention is that a deposit scraping member is slidably fitted onto each of the filtration membranes, and is slidably fitted into the casing, and the supply path and the discharge path are attached to the casing. The reason is that a switching means is provided to change the
Its effects are as follows.
つまり、ろ過膜の表面にたとえケーキ層やゲル層が形成
されたとしても、切換手段の入れ換え操作を行なうだけ
で、ケーシング内を流れる処理水の流れ方向が変更され
、ろ過膜夫々に外嵌した付着物掻取部材が、処理水の流
れによって押されて、ケーシング内を一端側から他端側
に、または、その逆に移動しながらろ過膜表面の付着物
を掻取り、ろ過動率の低下を防止する。In other words, even if a cake layer or gel layer is formed on the surface of the filtration membrane, simply by replacing the switching means, the flow direction of the treated water flowing inside the casing can be changed, and the The deposit scraping member is pushed by the flow of treated water and moves inside the casing from one end to the other end or vice versa, scraping off deposits on the surface of the filtration membrane, reducing the filtration rate. prevent.
従って、付着物掻取部材及び切換手段を設けるだけの簡
単な改造によって、ポンプの容量を大きくして処理水の
流速を速めなくとも、ろ過動率の低下を防止でき、イニ
シャルコスト及びランニングコストを安くできるように
なった。Therefore, by simply installing a deposit scraping member and a switching means, it is possible to prevent a decrease in filtration efficiency without increasing the pump capacity and increasing the flow rate of treated water, reducing initial costs and running costs. Now it can be done cheaply.
次に、本発明の実施例を、図面に基づいて説明する。 Next, embodiments of the present invention will be described based on the drawings.
第１図に示すように、精密ろ過又は限外ろ適用のセラミ
ックス製のチューブ状ろ過膜（１）の複数本を、それら
の長さ方向に並設してケーシング（２）内に固定し、前
記ケーシング（２）内に廃水等を生物処理する原水槽（
３）からの被処理水を、ポンプ（Ｐ）を介して加圧供給
する供給路（４）を設けると共に、ケーシング（２）内
の処理済水（：ａ撞木）を排出して原水槽（３）に返送
する排出路（５）を設け、供給路り４）と排出路（５）
を共に連通接続する第１．第２接続部（６） 、 （７
）を、ろ過膜（１）の長手方向における両端側のケーシ
ング部分（２Ａ） 、 （２Ｂ）に、各別に形成し、ろ
過膜（１）の全てに連通接続するろ過水の回収路（８）
を設けて膜分離装置を構成しである。As shown in FIG. 1, a plurality of ceramic tubular filtration membranes (1) suitable for microfiltration or ultrafiltration are arranged in parallel in the length direction and fixed in a casing (2), Inside the casing (2) is a raw water tank (
A supply path (4) is provided to supply the water to be treated from the casing (2) under pressure via a pump (P), and the treated water (: a) is discharged from the casing (2) to the raw water tank ( A discharge path (5) is provided to return to the supply path 4) and the discharge path (5).
The first. Second connection part (6), (7
) are separately formed in the casing portions (2A) and (2B) at both ends in the longitudinal direction of the filtration membrane (1), and a filtrate recovery channel (8) is formed in communication with all of the filtration membrane (1).
A membrane separation device is constructed by providing the following.
そして、第１図乃至第４図に示すように、前記ろ過膜（
１）に摺動自在に外嵌した穴部（９）が、前記ろ過膜（
１）の全てに対して設けられている板状の付着物掻取部
材（１０）を、ろ過膜（１）が傷付かないようにゴム等
のやわらかい材料で成形して、前記ケーシング（２）に
摺動自在に内嵌し、ろ過膜（１）の両端側夫々に、処理
水の流れに押された付着物掻取部材（１０）を受止めて
他端側に付勢するスプリング（１１）を外嵌してあり、
前記供給路（４）を第１接続部（６）に連通させ、且つ
、前記排出路（５）を第２接続部（７）に連通させる第
１通液、状態と、供給路（４）を第２接続部（７）に連
通させ、且つ、排出路（５）を第１接続部（６）に連通
させる第２通液状態とに択一的に切換えて、ケーシング
（２）内での処理水の通液方向を変更するように、第１
接続部（６）に接続する供給路（４）に第１開閉弁（■
１）を、第２接続部（７）に接続する供給路（４）に第
２開閉弁（ｖ２）を夫々設け、また、第１接続部（６）
に接続する排出路（５）に第３開閉弁（Ｖ、）を、第２
接続部（７）に接続する排出路（５）に第４開閉弁（ｖ
４）を夫々設けてある。Then, as shown in FIGS. 1 to 4, the filtration membrane (
The hole (9) slidably fitted onto the filtration membrane (1)
The plate-shaped deposit scraping member (10) provided for all of the casing (1) is molded from a soft material such as rubber so as not to damage the filtration membrane (1). A spring (11) is slidably fitted into the filtration membrane (1) and receives the deposit scraping member (10) pushed by the flow of treated water and biases it toward the other end. ) is fitted externally,
A first liquid passage state in which the supply channel (4) is communicated with the first connection section (6) and the discharge channel (5) is communicated with the second connection section (7); and the supply channel (4). in the casing (2) by selectively switching to a second liquid flow state in which the drain passage (5) is brought into communication with the second connection part (7) and the discharge path (5) is brought into communication with the first connection part (6). In order to change the flow direction of the treated water,
A first on-off valve (■
1), a second on-off valve (v2) is provided in the supply path (4) connecting to the second connection part (7), and the first connection part (6)
A third on-off valve (V,) is connected to the discharge path (5) connected to the second
A fourth on-off valve (v
4) are provided respectively.
つまり、前記第１通液状態にするには、第１開閉弁（Ｖ
、）と第４開閉弁（Ｖ、）を開弁すると同時に、第２開
閉弁（ｖ２）と第３開閉弁（ν、）を閉弁ずれば良く、
また、前記第２通液状態にするには、第１開閉弁（Ｖ、
）と第４開閉弁（ｖ４）を閉弁すると同時に、第２開閉
弁（ｖ２）と第３開閉弁（ｖ３）を開弁ずれば良い。That is, in order to achieve the first fluid flow state, the first on-off valve (V
, ) and the fourth on-off valve (V,), and simultaneously close the second on-off valve (v2) and the third on-off valve (ν,).
In addition, in order to enter the second liquid flow state, the first on-off valve (V,
) and the fourth on-off valve (v4), and simultaneously open the second on-off valve (v2) and the third on-off valve (v3).
前記第１通液状態では、第１図に示すように、付着物掻
取部材（１０）は、第１接続部（６）からの処理水の流
れに押されて摺動しながら第２接続部（７）側のスプリ
ング（１１）に受止められ、第２通液状態に切換えると
、スプリング（１１）によって第１接続部（６）側に押
戻された付着物掻取部材（１０）に、第２接続部（７）
からの処理水の流体圧が作用しく第２図参照）、ろ過膜
（１）表面を摺動しながら第１接続部（（ｉ）側に自動
的に移動して、第１接続部（６）側のスプリング（１１
）に受止められ、上記切換操作に基づく付着物掻取部材
（１０）の摺動に伴って、ろ過膜（１）の表面に付着形
成されたケーキ層やゲル層が掻き落されて処理水と共に
原水槽（３）に再び返送される。In the first liquid flowing state, as shown in FIG. 1, the deposit scraping member (10) is pushed by the flow of treated water from the first connection part (6) and slides while connecting to the second connection part (6). The deposit scraping member (10) is received by the spring (11) on the part (7) side, and when switched to the second liquid flow state, the deposit scraping member (10) is pushed back to the first connection part (6) side by the spring (11). , the second connection part (7)
The fluid pressure of the treated water from the filtration membrane (see Figure 2) automatically moves to the first connection part ((i) side while sliding on the surface of the filtration membrane (1), and the first connection part (6 ) side spring (11
), and as the deposit scraping member (10) slides based on the above switching operation, the cake layer or gel layer that has formed on the surface of the filtration membrane (1) is scraped off and the treated water is removed. The water is then returned to the raw water tank (3).
尚、前記付着物掻取部材（１０）の穴部（９）は、ろ過
膜（１）に対する摺動抵抗を少くするために第４図に示
すようにテーパー状に形成しであると共に、その径は、
ろ過膜（１）の外径の約５％増しに形成する。The hole (9) of the deposit scraping member (10) is formed into a tapered shape as shown in FIG. 4 in order to reduce the sliding resistance against the filtration membrane (1). The diameter is
It is formed approximately 5% larger than the outer diameter of the filtration membrane (1).
前記穴部（９）の内縁先端は、ろ過膜（１）の表面を傷
付けないように軟質のゴム又は合成樹脂等で形成し、他
の部分は硬質材から形成してあっても良い。The tip of the inner edge of the hole (9) may be formed of soft rubber or synthetic resin so as not to damage the surface of the filtration membrane (1), and the other portion may be formed of a hard material.
第５図に示すように、ケーシング（２）の第１゜第２接
続部（６）、（７）では、夫々供給路（４）と排出路（
５）を各別に接続するための接続口（１２Ａ） 。As shown in FIG. 5, at the first and second connection parts (6) and (7) of the casing (2), the supply passage (4) and the discharge passage (
Connection port (12A) for connecting 5) separately.
（１２Ｂ）を設け、両接続部（６） 、 （７）夫々に
おいて隣接する供給路（４）用接続口（１２Ａ）と排出
路（５）用接続口（１２Ｂ）との間に、付着物掻取部材
（１０）に対する摺動範囲規制用のストッパー（１３）
を設け、前記第１．第２通液状態の切換えに伴って付着
物掻取部材（１０）がケーシング（２）内で確実に摺動
し、且つ、ストッパー（１３）への接当後は、ケーシン
グ（２）内の処理物の通液の妨げにならず、圧力損失を
確実になくせるように構成してあっても良い。(12B) is provided, and there is no deposit between the connection port (12A) for the supply channel (4) and the connection port (12B) for the discharge channel (5) which are adjacent to each other in both the connection portions (6) and (7). Stopper (13) for regulating the sliding range of the scraping member (10)
and the first. The deposit scraping member (10) reliably slides within the casing (2) as the second liquid flow state is switched, and after contacting the stopper (13), the deposit scraping member (10) slides securely within the casing (2) It may be configured such that it does not interfere with the flow of the material to be treated and can reliably eliminate pressure loss.
前記第１．第２．第３．第４開閉弁ｃｖ＋）、 （Ｖ２
） 。Said 1st. Second. Third. 4th on-off valve cv+), (V2
).
ｃｖｚ） 、 （Ｖ４）を切換手段（Ｖ）と総称する。cvz), (V4) are collectively referred to as switching means (V).
前記ろ過膜（１）は、セラミックス製チューブ以外に、
有機膜チューブであっても良い。In addition to the ceramic tube, the filtration membrane (1) includes:
An organic membrane tube may also be used.
尚、特許請求の範囲の項に図面との対照を便利にする為
に符号を記すが、該記入により本発明は添付図面の構造
に限定されるものではない。Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
図面は本発明に係る膜分離装置の実施例を示し、第１図
は概略構造図、第２図は作用説明図、第３図は付着物掻
取部材の斜視図、第４図は要部の断面図、第５図は別実
施例のケーシングの断面図である。
（１）・・・・・・ろ過膜、（２）・・・・・・ケーシ
ング、（４）・・・・・・供給路、（５）・・・・・・
排出路、（８）・・・・・・回収路、（１０）・・・・
・・付着物掻取部材、（Ｐ）・・・・・・ポンプ、（Ｖ
）・・・・・・切換手段。
■
第１図The drawings show an embodiment of the membrane separation device according to the present invention, in which Fig. 1 is a schematic structural diagram, Fig. 2 is an explanatory diagram of the operation, Fig. 3 is a perspective view of a deposit scraping member, and Fig. 4 is a main part. FIG. 5 is a cross-sectional view of a casing of another embodiment. (1)...Filtration membrane, (2)...Casing, (4)...Supply channel, (5)...
Discharge path, (8)...Recovery path, (10)...
...Adherence scraping member, (P) ...Pump, (V
)......Switching means. ■ Figure 1
Claims (1)
に並設してケーシング（２）内に固定し、前記ケーシン
グ（２）の一端側に処理水をポンプ（Ｐ）を介して加圧
供給する供給路（４）を設けると共に、他端側から処理
済水を排出する排出路（５）を設け、前記ろ過膜（１）
の全てに連通接続するろ過水の回収路（８）を設けてあ
る膜分離装置であって、前記ろ過膜（１）夫々に摺動自
在に外嵌した付着物掻取部材（１０）を、前記ケーシン
グ（２）に摺動自在に内嵌し、前記ケーシング（２）に
対する前記供給路（４）と前記排出路（５）の取付位置
を入れ換える切換手段（Ｖ）を設けてある膜分離装置。A plurality of tubular filtration membranes (1) are arranged in parallel in the length direction and fixed in a casing (2), and treated water is supplied to one end of the casing (2) via a pump (P). A supply channel (4) for pressurized supply is provided, and a discharge channel (5) for discharging the treated water from the other end is provided, and the filtration membrane (1)
A membrane separation device is provided with a filtrate recovery path (8) that communicates with all of the filtration membranes (1), and includes a deposit scraping member (10) slidably fitted onto each of the filtration membranes (1). A membrane separation device provided with a switching means (V) that is slidably fitted into the casing (2) and switches the mounting positions of the supply path (4) and the discharge path (5) with respect to the casing (2). .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13184789A JPH03116A (en) | 1989-05-25 | 1989-05-25 | Membrane separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13184789A JPH03116A (en) | 1989-05-25 | 1989-05-25 | Membrane separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03116A true JPH03116A (en) | 1991-01-07 |
Family
ID=15067501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13184789A Pending JPH03116A (en) | 1989-05-25 | 1989-05-25 | Membrane separator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03116A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038181A (en) * | 2004-07-29 | 2006-02-09 | Oiles Ind Co Ltd | Method for fixing cylindrical bearing bush to inside of bearing supporting body |
| CN103463983A (en) * | 2012-06-08 | 2013-12-25 | 珠海格力电器股份有限公司 | Flushable outside-in ultra-filtration core assembly and water purifier |
-
1989
- 1989-05-25 JP JP13184789A patent/JPH03116A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038181A (en) * | 2004-07-29 | 2006-02-09 | Oiles Ind Co Ltd | Method for fixing cylindrical bearing bush to inside of bearing supporting body |
| CN103463983A (en) * | 2012-06-08 | 2013-12-25 | 珠海格力电器股份有限公司 | Flushable outside-in ultra-filtration core assembly and water purifier |
| CN103463983B (en) * | 2012-06-08 | 2016-06-08 | 珠海格力电器股份有限公司 | Flushable external pressure type ultrafiltration filter core assembly and water purifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2488895C (en) | Methods of minimising the effect of integrity loss in hollow fibre membrane modules | |
| US8128829B2 (en) | Cross flow filter device | |
| JPH11267476A (en) | Separator for separating fluidized medium mixed with foreign matter | |
| JP2003519004A (en) | Crossflow filtration device and assembly | |
| JPH11290660A (en) | Separation device for separating fluid medium mixed with foreign matter | |
| JPS6456110A (en) | Filter assembly | |
| CN1245233C (en) | Manifold branch for changeable liquid filter | |
| US20110277856A1 (en) | Valve for regulating water quantity | |
| CN202224070U (en) | Disposable combined membrane component | |
| JPH03116A (en) | Membrane separator | |
| CN110339720B (en) | Vertical cross flow filtering integrated device based on hollow fiber membrane | |
| WO2018177133A1 (en) | Four-way valve for backflush filter system | |
| US8017010B2 (en) | Device for filtering a liquefied synthetic material | |
| CN102302899B (en) | Disposable combinational membrane module | |
| CN111924907A (en) | Intelligent household Internet of things energy-saving water purifier capable of self-adjusting according to water flow speed | |
| EP1652564A1 (en) | Back-flush device | |
| EP1266680A1 (en) | Fluid filtering system and the filter used in said system | |
| CN205095659U (en) | Ultrafiltration backwash system | |
| JP3008945B1 (en) | Combined filtration module and filtration method | |
| JP3164549B2 (en) | How to use multiple filter device | |
| CN215257981U (en) | Flat liquid inlet and outlet valve group | |
| CN215693230U (en) | Keel structure | |
| CN210635743U (en) | Water purifier with water storage system | |
| CN212575800U (en) | Tube array type full-automatic cleaning filter | |
| CN218510240U (en) | Triangular multi-channel valve |