JPH06218240A - Production of membrane module - Google Patents

Production of membrane module

Info

Publication number
JPH06218240A
JPH06218240A JP1036493A JP1036493A JPH06218240A JP H06218240 A JPH06218240 A JP H06218240A JP 1036493 A JP1036493 A JP 1036493A JP 1036493 A JP1036493 A JP 1036493A JP H06218240 A JPH06218240 A JP H06218240A
Authority
JP
Japan
Prior art keywords
membrane
filtration membrane
organic
filtration
supporting body
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
Application number
JP1036493A
Other languages
Japanese (ja)
Inventor
Tadashi Shimizu
正 清水
Shigeo Nishida
茂雄 西田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP1036493A priority Critical patent/JPH06218240A/en
Publication of JPH06218240A publication Critical patent/JPH06218240A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prevent joining unevenness and to improve joininig efficiency at the time of fixing a filtration membrane to a membrane supporting body in producing a membrane module by covering the surface of an organic material membrane supporting body with the organic filtration membrane, welding by locally heating the peripheral part of the filtration membrane and bonding to fix the filtration membrane on the membrane supporting body. CONSTITUTION:The filtration membrane 10 is fixed to the membrane supporting body 9 by covering the surface of the organic material membrane supporting body 9 with the organic filtration membrane 10, welding by locally heating the peripheral part of the filtration membrane 10 with a heating press plate 14. As a result, at the time of fixing the filtration membrane to the membrane supporting body in producing the membrane module, joining unevenness is prevented, joining efficiently is improved and the air tightness of the membrane module is secured.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、水処理装置等において
用いられる膜分離装置の膜モジュールの製造方法に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a membrane module of a membrane separation device used in a water treatment device or the like.

【0002】[0002]

【従来の技術】従来、この種の膜分離装置は、図4(a)
の全体構成を示す断面図および図4(b) の部分拡大断面
図に示すように、処理槽の内部に設けられたケーシング
1内に複数の膜モジュール2を適当な間隔で平行に配置
することによって構成している。そして、ケーシング1
における膜モジュール2の下方に、槽内の被処理水に酸
素または空気を供給する曝気装置7を設け、この曝気装
置7によって矢印Bのように槽外から酸素または空気を
取り込み、矢印Cで示される気泡流を膜モジュール2ど
うしの間隙に供給することにより、槽内に矢印C,Dで
示される気液混合攪拌流を生起するとともに、濾過膜4
表面に付着するケーキ層を剥離洗浄している。
2. Description of the Related Art Conventionally, a membrane separation device of this type is shown in FIG.
As shown in the sectional view showing the entire structure of the above and the partially enlarged sectional view of FIG. It is composed by. And casing 1
An aeration device 7 for supplying oxygen or air to the water to be treated in the tank is provided below the membrane module 2 in FIG. By supplying the generated bubble flow to the gap between the membrane modules 2, a gas-liquid mixed stirring flow indicated by arrows C and D is generated in the tank, and the filtration membrane 4 is generated.
The cake layer adhering to the surface is peeled and washed.

【0003】膜モジュール2においては、矩形平板状の
膜支持体3の表裏に、限外濾過膜もしくは精密濾過膜の
ような有機濾過膜4を周縁部で接着固定している。そし
て、有機濾過膜4と膜支持体3との間に不織布などのス
ペーサ5を介装して濾過膜4と膜支持体3との密着を防
止することによって、濾過膜4の内側に膜透過液流路を
形成している。また、濾過膜4よりも内側に通じた透過
液吸引管6を設け、この透過液吸引管6を通して膜モジ
ュール2内に負圧を与えることにより、槽内の被処理水
を濾過膜4を通して矢印Aで示した方向に吸引濾過して
いる。
In the membrane module 2, an organic filtration membrane 4 such as an ultrafiltration membrane or a microfiltration membrane is adhered and fixed on the front and back sides of a rectangular flat plate-shaped membrane support 3. Then, a spacer 5 such as a non-woven fabric is interposed between the organic filtration membrane 4 and the membrane support 3 to prevent the filtration membrane 4 and the membrane support 3 from adhering to each other. It forms a liquid flow path. Further, a permeated liquid suction tube 6 communicating with the inside of the filtration membrane 4 is provided, and a negative pressure is applied to the inside of the membrane module 2 through the permeated fluid suction tube 6 so that the water to be treated in the tank passes through the filtration membrane 4 and is indicated by an arrow. Suction filtration is performed in the direction indicated by A.

【0004】このとき、膜支持体3に有機濾過膜4を接
着するために、接着剤による接着または超音波融着など
の方法を行っている。
At this time, in order to adhere the organic filtration membrane 4 to the membrane support 3, a method such as adhesion with an adhesive or ultrasonic fusion is performed.

【0005】[0005]

【発明が解決しようとする課題】しかしながら上記した
従来の接着方法では、膜支持体3に濾過膜4を接着固定
するときに、接着ムラが生じたり、接着効率がよくない
という問題点がある。
However, the above-mentioned conventional bonding method has problems that when the filter membrane 4 is bonded and fixed to the membrane support 3, bonding unevenness occurs or the bonding efficiency is poor.

【0006】本発明は上記問題点を解決するもので、濾
過膜の接着ムラを防止し、接着効率を向上させて、膜モ
ジュールの気密性を確保することを目的とするものであ
る。
The present invention is intended to solve the above problems, and it is an object of the present invention to prevent adhesion unevenness of a filtration membrane, improve adhesion efficiency, and ensure airtightness of a membrane module.

【0007】[0007]

【課題を解決するための手段】上記問題を解決するため
に、本発明の膜モジュールの製造方法は、有機合材膜支
持体の表面を有機濾過膜で覆い、局部加熱により有機濾
過膜の周縁部で両者を融着させることを特徴とする。
In order to solve the above problems, in the method for manufacturing a membrane module of the present invention, the surface of the organic composite material membrane support is covered with an organic filtration membrane, and the periphery of the organic filtration membrane is heated locally. It is characterized in that both parts are fused together.

【0008】[0008]

【作用】上記の構成において、有機合材膜支持体と有機
濾過膜は共に融点が比較的低いため、これらを用いて融
着させることにより容易に濾過膜を固定できる。
In the above structure, since both the organic composite material membrane support and the organic filtration membrane have relatively low melting points, the filtration membrane can be easily fixed by fusing them.

【0009】[0009]

【実施例】以下、本発明の一実施例の膜モジュールの製
造方法を図1から図3に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for manufacturing a membrane module according to an embodiment of the present invention will be described below with reference to FIGS.

【0010】図1(a) は膜モジュールの平面図であり、
図1(b) は側面図である。膜モジュール8は、有機合材
製の矩形平板状膜支持体9の表裏に有機濾過膜10を周縁
部11で固定し、有機濾過膜10よりも内側に通じた透過液
吸引管12を設けることにより構成されている。
FIG. 1 (a) is a plan view of the membrane module,
FIG. 1 (b) is a side view. The membrane module 8 has a rectangular flat plate-shaped membrane support 9 made of an organic material, and an organic filtration membrane 10 fixed to the front and back at peripheral portions 11, and a permeated liquid suction tube 12 communicating with the inside of the organic filtration membrane 10 is provided. It is composed by.

【0011】このような膜モジュール8を製造するに
は、先ず、ABS樹脂やPVC樹脂などの有機合材で膜
支持体9を形成するとともに、透過液吸引管12を設け
る。次に、図2に示したように、膜支持体9の表面に有
機濾過膜10を配置し、この濾過膜10の表面側に、濾過膜
10の移動およびシワを防止する金属板などの適当な押さ
え板13を配置する。その後、この押さえ板13の周囲に、
図3に示したような、融着代に見合う枠状の加熱部14a
を有する加熱圧着板14を一定圧力で押し付けて、膜支持
体9と濾過膜10とを局部的に加熱することにより、膜支
持体9と濾過膜10とを周縁部11で融着させる。そして、
融着が終了した後に、加熱圧着板14と押さえ板13を取り
外す。このとき、押さえ板13で有機濾過膜10の融着部分
以外の全面を押さえてもよいし、部分的に押さえてもよ
い。また加熱圧着条件としては通常、融着代2〜20m
m、温度100 〜500 ℃、圧力0.1 〜3kg/cm2 、圧着時
間2〜60秒間が適当であり、この条件範囲から、有機濾
過膜10と膜支持体9の材料に応じて適切な融着条件を選
定すればよい。
To manufacture such a membrane module 8, first, the membrane support 9 is formed from an organic compound material such as ABS resin or PVC resin, and the permeate suction tube 12 is provided. Next, as shown in FIG. 2, the organic filtration membrane 10 is arranged on the surface of the membrane support 9, and the filtration membrane is provided on the surface side of the filtration membrane 10.
Arrange a suitable pressing plate 13 such as a metal plate to prevent movement of 10 and wrinkling. After that, around the pressing plate 13,
As shown in FIG. 3, a frame-shaped heating portion 14a suitable for the fusion allowance.
The membrane support 9 and the filtration membrane 10 are fused at the peripheral edge portion 11 by locally pressing the membrane support 9 and the filtration membrane 10 by pressing the thermocompression-bonding plate 14 having a pressure of constant pressure. And
After the fusion is finished, the thermocompression bonding plate 14 and the pressing plate 13 are removed. At this time, the pressing plate 13 may press the entire surface of the organic filtration membrane 10 other than the fused portion, or may press it partially. In addition, as the heating and pressure bonding condition, the fusion allowance is usually 2 to 20 m.
m, temperature 100 to 500 ° C., pressure 0.1 to 3 kg / cm 2 , and pressure bonding time 2 to 60 seconds are suitable. From this condition range, suitable fusion depending on the materials of the organic filtration membrane 10 and the membrane support 9 is performed. It suffices to select the conditions.

【0012】上記のように、有機合材製の膜支持体9と
有機濾過膜10とを加熱圧着板14で局部的に加熱して融着
させることによって、膜支持体9と濾過膜10とを比較的
低い温度で、かつしわや接着ムラを生じることなく接着
固定できる。
As described above, the membrane support 9 made of the organic composite material and the organic filtration membrane 10 are locally heated by the thermocompression-bonding plate 14 so as to be fused to each other. Can be adhesively fixed at a relatively low temperature without causing wrinkles or uneven adhesion.

【0013】膜支持体の片面に濾過膜を配置する場合は
もちろん、膜支持体と濾過膜との間にホットメルトを有
する場合も、上記と同様にして膜支持体と濾過膜とを融
着させることができる。
When the filtration membrane is arranged on one side of the membrane support and also when there is hot melt between the membrane support and the filtration membrane, the membrane support and the filtration membrane are fused in the same manner as described above. Can be made.

【0014】[0014]

【発明の効果】以上のように、本発明の膜モジュールの
製造方法によれば、比較的融点の低い有機合材膜支持体
と有機濾過膜とを局部加熱によって融着させるので、接
着したい部分の位置、長さ、巾にかかわらず任意に容易
に、接着効率よく固定できる。また、融着させること
で、有機材料からなる膜支持体と濾過膜との接着強度が
向上する。この結果、膜モジュールの気密性が確保され
る。
As described above, according to the method for manufacturing a membrane module of the present invention, the organic composite material membrane support having a relatively low melting point and the organic filtration membrane are fused by local heating, so that the portion to be bonded is desired. It can be easily and efficiently fixed regardless of position, length and width. Further, the fusion bonding improves the adhesive strength between the membrane support made of an organic material and the filtration membrane. As a result, the airtightness of the membrane module is ensured.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例の膜モジュールを示す説明図
である。
FIG. 1 is an explanatory view showing a membrane module according to an embodiment of the present invention.

【図2】図1の膜モジュールの製造方法を説明する断面
図である。
FIG. 2 is a cross-sectional view illustrating a method of manufacturing the membrane module of FIG.

【図3】図1の膜モジュールの製造において使用される
加熱圧着板を示す説明図である。
FIG. 3 is an explanatory diagram showing a thermocompression bonding plate used in manufacturing the membrane module of FIG.

【図4】本発明および従来例の膜モジュールが使用され
る膜分離装置を示す説明図である。
FIG. 4 is an explanatory view showing a membrane separation device in which the membrane module of the present invention and the conventional example are used.

【符号の説明】[Explanation of symbols]

8 膜モジュール 9 有機合材膜支持体 10 有機濾過膜 8 Membrane Module 9 Organic Composite Membrane Support 10 Organic Filtration Membrane

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 有機合材膜支持体の表面を有機濾過膜で
覆い、局部加熱により有機濾過膜の周縁部で両者を融着
させることを特徴とする膜モジュールの製造方法。
1. A method for producing a membrane module, which comprises covering the surface of an organic composite material membrane support with an organic filtration membrane, and fusing them together at the peripheral edge of the organic filtration membrane by local heating.
JP1036493A 1993-01-26 1993-01-26 Production of membrane module Pending JPH06218240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1036493A JPH06218240A (en) 1993-01-26 1993-01-26 Production of membrane module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1036493A JPH06218240A (en) 1993-01-26 1993-01-26 Production of membrane module

Publications (1)

Publication Number Publication Date
JPH06218240A true JPH06218240A (en) 1994-08-09

Family

ID=11748113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1036493A Pending JPH06218240A (en) 1993-01-26 1993-01-26 Production of membrane module

Country Status (1)

Country Link
JP (1) JPH06218240A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006231139A (en) * 2005-02-23 2006-09-07 Gs Yuasa Corporation:Kk Membrane element
JP2008049239A (en) * 2006-08-23 2008-03-06 Gs Yuasa Corporation:Kk Membrane element
JP2010036081A (en) * 2008-08-04 2010-02-18 Toray Ind Inc Membrane element and manufacturing method thereof
JP2010042375A (en) * 2008-08-18 2010-02-25 Toray Ind Inc Membrane element, its manufacturing method and resin plate
JP2012232229A (en) * 2011-04-28 2012-11-29 New Century Membrane Co Ltd Method of manufacturing disk shape filter bag, and manufacturing apparatus thereof
JP2013501652A (en) * 2009-08-14 2013-01-17 ネーデルランドセ・オルガニサティ・フォール・トゥーヘパスト−ナトゥールウェテンスハッペライク・オンデルズーク・テーエヌオー Fabrication of planar thin film module
WO2014157489A1 (en) 2013-03-27 2014-10-02 株式会社クボタ Membrane cartridge, and membrane-cartridge production method

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006231139A (en) * 2005-02-23 2006-09-07 Gs Yuasa Corporation:Kk Membrane element
US7776214B2 (en) 2005-02-23 2010-08-17 Gs Yuasa Corporation Membrane element
KR101031220B1 (en) * 2005-02-23 2011-04-27 가부시키가이샤 지에스 유아사 Membrane element
JP2008049239A (en) * 2006-08-23 2008-03-06 Gs Yuasa Corporation:Kk Membrane element
JP2010036081A (en) * 2008-08-04 2010-02-18 Toray Ind Inc Membrane element and manufacturing method thereof
JP2010042375A (en) * 2008-08-18 2010-02-25 Toray Ind Inc Membrane element, its manufacturing method and resin plate
JP2013501652A (en) * 2009-08-14 2013-01-17 ネーデルランドセ・オルガニサティ・フォール・トゥーヘパスト−ナトゥールウェテンスハッペライク・オンデルズーク・テーエヌオー Fabrication of planar thin film module
US9314949B2 (en) 2009-08-14 2016-04-19 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Planar membrane module preparation
JP2012232229A (en) * 2011-04-28 2012-11-29 New Century Membrane Co Ltd Method of manufacturing disk shape filter bag, and manufacturing apparatus thereof
WO2014157489A1 (en) 2013-03-27 2014-10-02 株式会社クボタ Membrane cartridge, and membrane-cartridge production method
CN104902985A (en) * 2013-03-27 2015-09-09 株式会社久保田 Membrane cartridge, and membrane-cartridge production method
US10328394B2 (en) 2013-03-27 2019-06-25 Kubota Corporation Membrane cartridge and membrane-cartridge production method

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