JPH0611078Y2 - Multilayer filtration device - Google Patents
Multilayer filtration deviceInfo
- Publication number
- JPH0611078Y2 JPH0611078Y2 JP1986192271U JP19227186U JPH0611078Y2 JP H0611078 Y2 JPH0611078 Y2 JP H0611078Y2 JP 1986192271 U JP1986192271 U JP 1986192271U JP 19227186 U JP19227186 U JP 19227186U JP H0611078 Y2 JPH0611078 Y2 JP H0611078Y2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- support plate
- passage
- laminated
- filtration device
- 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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案は積層式濾過装置の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to an improvement of a laminated filtration device.
＜従来の技術＞ 原液を限外濾過等によって処理する濾過装置として積層
式濾過装置が公知である。<Prior Art> A laminated filter device is known as a filter device for treating an undiluted solution by ultrafiltration or the like.
第４図は従来の積層式濾過装置を示し、第５図のよう
に、波付支持板１′の両面に膜２′，２′を添設して膜
と支持板との間を透過液通路とせるユニットｕ′をスペ
ーサ３′……を介して積層し、このスペーサ３′によっ
てユニットｕ′，ｕ′間に原液通路を設け、これらの原
液通路に連通せる原液通路孔１３ｉ′，１３ｏ′を設
け、積層ユニットを端板ｅ′，ｅ′で挟持し、両端板を
ボルトで締結してある。Ｓ′，……はセパレーテングプ
レート、ｆ′……は各ユニットの透過液通路に連通して
設けた透過液取出管である。FIG. 4 shows a conventional laminated filtration device. As shown in FIG. 5, membranes 2'and 2'are attached to both sides of a corrugated support plate 1'to allow permeation liquid between the membrane and the support plate. Units u ′ serving as passages are stacked via spacers 3 ′, and a spacer is provided between the units u ′ and u ′ to form a stock solution passage, and stock solution passage holes 13i ′ and 13o can be connected to these stock solution passages. ′ Is provided, the laminated unit is sandwiched between the end plates e ′ and e ′, and both end plates are fastened with bolts. S ', ... Are separation plates, and f' ... are permeate extraction tubes provided in communication with the permeate passage of each unit.
この透過装置による原液の処理要領は、原液流入口から
原液を供給し、この原液がユニット間の原液通路を流れ
る間に、原液中の溶媒をユニットの膜を経て透過させ、
この透過液を透過液通路を経て透過液取出管から取出す
ことにある。The procedure for processing the undiluted solution by this permeation device is that the undiluted solution is supplied from the undiluted solution inlet, and while this undiluted solution flows through the undiluted solution passage between the units, the solvent in the undiluted solution is permeated through the unit membrane,
The permeated liquid is taken out from the permeated liquid take-out pipe through the permeated liquid passage.
＜解決しようとする問題点＞ ところで、逆浸透濾過の場合、原液圧力は１０kg/cm2以
上にも達し、上記多層式濾過装置を逆浸透濾過に使用す
ると、膜と波付支持板の谷との間に大きな間隙が存在す
るので、膜が原液圧力のために受ける張力により大きく
伸長し、孔の大きさ、孔密度の変化等による膜の透過性
能の低下が懸念される。<Problems to be solved> By the way, in the case of reverse osmosis filtration, the stock solution pressure reaches 10 kg / cm 2 or more, and when the above-mentioned multi-layer filtration device is used for reverse osmosis filtration, it causes a valley between the membrane and the corrugated support plate. Since there is a large gap between the membranes, the membrane is greatly stretched due to the tension applied due to the stock solution pressure, and there is a concern that the permeation performance of the membrane may deteriorate due to changes in pore size, pore density, and the like.
本考案の目的は、濾過圧力１０kg/cm2以上の逆浸透濾過
に対しても、透過性能を保持し得る積層式濾過装置を提
供することにある。An object of the present invention is to provide a laminated filtration device capable of maintaining the permeation performance even in reverse osmosis filtration with a filtration pressure of 10 kg / cm 2 or more.
＜問題点を解決するための手段＞ 本考案に係る積層式濾過装置は、波付支持板の両面に膜
を添付して支持板各面と各膜との間の空間を透過液通路
とせるユニットを多数枚積層し、ユニット間には原液通
路用の隙間を保持し、積層ユニットの上下に上記原液通
路用隙間に連通せる原液通路孔を原液通路孔用スペーサ
ーリングにより形成し、積層ユニットの中央に各ユニッ
トの透過液通路に連通せる透過液通路孔を透過液通路孔
用スペーサーリングにより形成せる濾過装置において、
波付支持板の各面と膜との間に透水性支持体を介在させ
たことを特徴とする構成である。<Means for Solving Problems> In the laminated filtration device according to the present invention, a membrane is attached to both sides of a corrugated support plate so that a space between each face of the support plate and each membrane serves as a permeate passage. A large number of units are stacked, a gap for the undiluted liquid passage is held between the units, and undiluted liquid passage holes that communicate with the undiluted liquid passage gap are formed above and below the laminated unit by the undiluted liquid passage hole spacer ring. In a filtration device in which a permeate passage hole that communicates with the permeate passage of each unit is formed in the center by a permeate passage hole spacer ring,
A water-permeable support is interposed between each surface of the corrugated support plate and the membrane.
＜実施例＞ 以下、図面により本考案を説明する。<Example> Hereinafter, the present invention will be described with reference to the drawings.
第１図Ａは本考案において使用する膜支持板を示す上面
図、第１図Ｂは第１図Ａにおけるｂ−ｂ断面図である。FIG. 1A is a top view showing a membrane supporting plate used in the present invention, and FIG. 1B is a sectional view taken along line bb in FIG. 1A.
第１図Ａ並びに第１図Ｂにおいて、１は一枚の金属板
（例えばステンレス板）、あるいはプラスチック板、
（例えばＦＲＰのプレス成形板）からなる膜支持板であ
り、左半部並びに右半部に波形１１を形成してある。１
２は支持板のほぼ中央に設けた透過液通路用孔であり、
周囲には平坦部120を設けてある。１３，……は支持板
の左右の上下に設けた原液通路用孔であり、各孔の周囲
には平坦部130を設けてある。１４は波部１１，１１並
びに４個の原液通路孔１３，……を包囲する周囲に沿っ
て設けたパッキング当接部である。１５，……は支持板
の周囲に設けた筋状凸部であり、その高さは、波１１の
波高よりも大きくしてある。1A and 1B, 1 is a single metal plate (for example, a stainless plate) or a plastic plate,
It is a membrane supporting plate made of (for example, a press-molded plate of FRP), and corrugations 11 are formed on the left half and the right half. 1
Reference numeral 2 is a permeate passage hole provided substantially in the center of the support plate,
A flat portion 120 is provided around the periphery. Reference numerals 13, ... Are holes for the undiluted solution passage provided on the left and right above and below the support plate, and a flat portion 130 is provided around each hole. Reference numeral 14 denotes a packing contact portion provided along the circumference surrounding the corrugated portions 11, 11 and the four stock solution passage holes 13, .... Reference numeral 15, ... Denotes streak-like projections provided around the support plate, and the height thereof is larger than the wave height of the wave 11.
上記第１図Ｂに示す膜支持板においては、波の中心を板
の平面に一致させているが、第１図Ｃに示すように波の
谷底を板の平面に一致させることもできる。In the membrane supporting plate shown in FIG. 1B, the center of the wave is aligned with the plane of the plate, but the valley of the wave may be aligned with the plane of the plate as shown in FIG. 1C.
第２図は本考案に係る濾過装置の積層構造を示してい
る。FIG. 2 shows a laminated structure of the filtering device according to the present invention.
第２図において、ｕはユニットであり、垂直配置の膜支
持板１の両面のそれぞれに透水性支持体２を張設し、各
シート２上に膜３を添付してある。透水性支持体２には
プラスチック製のネット（例えば、厚さ0.3mm程度のポ
リプロピレンネット）プラスチック織布等を使用でき
る。膜３には通常、不織布上に一種もしくは二種以上の
膜材液（ポリスルフオン、ポリイミド等）を塗布して成
形したものを使用できる。In FIG. 2, u is a unit, and a water-permeable support 2 is stretched on each side of a vertically arranged membrane supporting plate 1, and a membrane 3 is attached on each sheet 2. For the water-permeable support 2, a plastic net (for example, a polypropylene net having a thickness of about 0.3 mm), a plastic woven cloth, or the like can be used. The membrane 3 can be usually formed by coating one or more membrane material liquids (polysulfone, polyimide, etc.) on a non-woven fabric and molding.
互いに隣り合うユニット間には、支持板周囲の凸部１５
のために原液通路用隙間が保持されている。４はユニッ
ト相互間をシールせるパッキングであり、このパッキン
グによって支持板と膜端との間をシールし、透水性支持
体２を張設してある。Ａは原液通路孔（入口）１３ｉの
ユニット間に介在させた原液通路孔用スペーサーリング
であり、部材Ａ1とＡ2（部材Ａ2は連通溝Ａ3を有する）
とで一組をなし、膜の孔端を支持板にシールし、上記ユ
ニット間の原液通路用隙間と原液通路孔１３ｉとを連通
溝Ａ3により連通してある。Ｂ，Ｂは通路孔閉塞用スペ
ーサである。原液通路孔（出口）１３ｏのユニット間に
もスペーサリングＡを介在させてある。Ｃ，Ｃは透過液
通路孔１２mmのユニット間に介在させた透過液通路孔用
スペーサーリングであり、連通溝を有し、支持板の両面
に互いに逆向きで当接し、スペーサーリングＣ，Ｃ間に
おいて膜の孔端をシールし、膜と支持板との間の透過液
通路をスペーサーリングの連通溝によって連通してあ
る。Between the units adjacent to each other, the convex portion 15 around the support plate is provided.
Therefore, the gap for the undiluted solution passage is maintained. Reference numeral 4 denotes a packing that seals the units, and the packing seals the space between the support plate and the membrane end, and the water-permeable support 2 is stretched. A is a spacer ring for the undiluted solution passage hole interposed between the units of the undiluted solution passage hole (inlet) 13i, and members A 1 and A 2 (the member A 2 has a communication groove A 3 )
And the end of the hole of the membrane is sealed to the support plate, and the gap for the undiluted solution passage between the units and the undiluted solution passage hole 13i are communicated by the communicating groove A 3 . B and B are spacers for closing the passage holes. The spacer ring A is also interposed between the units of the stock solution passage hole (outlet) 13o. C and C are permeate passage hole spacer rings interposed between the units of permeate passage holes 12 mm, which have a communication groove, and abut on both sides of the support plate in opposite directions, and between the spacer rings C and C. In, the hole end of the membrane is sealed, and the permeate passage between the membrane and the support plate is connected by the communication groove of the spacer ring.
これらのスペーサリングＡ，Ｂ並びにＣは成形したプラ
スチックにより構成されている。第３図は本考案に係る
濾過装置の組立構造を示し、積層ユニットｕの複数個
を、原液流れ方向を交互に逆とするように集合し、この
集合体の両端に端板Ｅ，Ｅを配し、これらの端板Ｅ，Ｅ
をボルトＴ，……によって締結してある。Ｒは濾過液出
口である。These spacer rings A, B and C are made of molded plastic. FIG. 3 shows an assembly structure of a filtration device according to the present invention, in which a plurality of laminated units u are assembled so that the flow directions of the stock solutions are alternately reversed, and end plates E, E are provided at both ends of this assembly. Place these end plates E, E
Are fastened with bolts T, .... R is the filtrate outlet.
＜考案の効果＞ 本考案に係る積層式濾過装置は上述した通りの構成であ
り、波付膜支持板と膜との間に透水性支持体を張設して
あるから、ユニット間の原液の圧力を透水性支持体で支
承し得、膜と波付膜支持板の谷との間の間隙が大であっ
ても、原液圧力による膜の伸長をよく防止できる。<Effects of the Invention> The multilayer filtration device according to the present invention has the above-described configuration, and since the water-permeable support is stretched between the corrugated membrane support plate and the membrane, the undiluted solution between the units is The pressure can be supported by the water-permeable support, and even if the gap between the membrane and the valley of the corrugated membrane support plate is large, the elongation of the membrane due to the stock solution pressure can be well prevented.
従って膜の伸長による透過性能の低下をよく防止でき、
高圧力の逆浸透濾過にも支障なく使用できる。Therefore, it is possible to prevent the deterioration of the permeation performance due to the stretching of the membrane,
It can be used for high pressure reverse osmosis filtration without any problems.
第１図Ａは本考案において使用する膜支持板を示す説明
図、第１図Ｂは第１図Ａにおけるｂ−ｂ断面図、第１図
Ｃは本考案において使用する膜支持板の別実施例を示す
説明図、第２図は本考案濾過装置の積層構造を示す説明
図、第３図は本考案濾過装置の組立状態を示す説明図、
第４図は従来の積層式濾過装置を示す説明図、第５図は
第４図の点線枠内の拡大図である。 図において、ｕはユニット、１は波付支持板、２，２は
透水性支持体、３，３は膜である。1A is an explanatory view showing a membrane supporting plate used in the present invention, FIG. 1B is a sectional view taken along line bb in FIG. 1A, and FIG. 1C is another embodiment of the membrane supporting plate used in the present invention. An explanatory view showing an example, FIG. 2 is an explanatory view showing a laminated structure of the filtering device of the present invention, and FIG. 3 is an explanatory view showing an assembled state of the filtering device of the present invention,
FIG. 4 is an explanatory view showing a conventional laminated filtration device, and FIG. 5 is an enlarged view within a dotted line frame of FIG. In the figure, u is a unit, 1 is a corrugated support plate, 2 and 2 are water-permeable supports, and 3 and 3 are membranes.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 西山 正樹 大阪府茨木市下穂積１丁目１番２号 日東 電気工業株式会社内 (56)参考文献 特開 昭54−112383（ＪＰ，Ａ) 特公 昭49−43074（ＪＰ，Ｂ２) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masaki Nishiyama, 1-2, Shimohozumi, Ibaraki City, Osaka Prefecture Nitto Denki Kogyo Co., Ltd. (56) Reference JP-A-54-112383 (JP, A) Sho 49-43074 (JP, B2)
Claims (1)
面と各膜との間に透過液通路を設けたユニットを多数枚
積層し、ユニット間には原液通路用の隙間を保持し、積
層ユニットの上下に上記原液通路用隙間に連通せる原液
通路孔を原液通路孔用スペーサーリングにより形成し、
積層ユニットの中央に各ユニットの透過液通路に連通せ
る透過液通路孔を透過液通路孔用スペーサーリングによ
り形成せる濾過装置において、波付支持板の各面と膜と
の間に透水性支持体を介在させたことを特徴とする積層
式濾過装置。1. A plurality of units each having a corrugated support plate having a membrane attached to both sides thereof and a permeate passage provided between each face of the support plate and each membrane are laminated, and a gap for a raw liquid passage is provided between the units. Is formed by the spacer ring for the undiluted solution passage hole, which is formed above and below the laminated unit and communicates with the above-mentioned undiluted solution passage gap.
In a filtration device in which a permeate passage hole communicating with the permeate passage of each unit is formed by a spacer ring for a permeate passage hole in the center of a laminated unit, a water-permeable support is provided between each surface of a corrugated support plate and a membrane. A laminated filtration device characterized by interposing a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192271U JPH0611078Y2 (en) | 1986-12-12 | 1986-12-12 | Multilayer filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192271U JPH0611078Y2 (en) | 1986-12-12 | 1986-12-12 | Multilayer filtration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6398701U JPS6398701U (en) | 1988-06-27 |
| JPH0611078Y2 true JPH0611078Y2 (en) | 1994-03-23 |
Family
ID=31147192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986192271U Expired - Lifetime JPH0611078Y2 (en) | 1986-12-12 | 1986-12-12 | Multilayer filtration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611078Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0722751B2 (en) * | 1989-05-29 | 1995-03-15 | 株式会社クボタ | Membrane module of activated sludge treatment equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038562A (en) * | 1972-06-16 | 1977-07-26 | Cutler-Hammer, Inc. | Ladder static logic control system and method of making |
| DE2802780C2 (en) * | 1978-01-23 | 1980-09-18 | Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg | Device for water desalination and purification by reverse osmosis and ultranitration |
-
1986
- 1986-12-12 JP JP1986192271U patent/JPH0611078Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6398701U (en) | 1988-06-27 |
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