JP2001353426A - Method for manufacturing hollow fiber membrane module - Google Patents
Method for manufacturing hollow fiber membrane moduleInfo
- Publication number
- JP2001353426A JP2001353426A JP2000175679A JP2000175679A JP2001353426A JP 2001353426 A JP2001353426 A JP 2001353426A JP 2000175679 A JP2000175679 A JP 2000175679A JP 2000175679 A JP2000175679 A JP 2000175679A JP 2001353426 A JP2001353426 A JP 2001353426A
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- fiber membrane
- membrane module
- bundled
- organic compound
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、中空糸膜モジュー
ルの製造方法に関する。更に詳しくは、モジュール封止
部分での気密性にすぐれたセラミックス中空糸膜モジュ
ールの製造方法に関する。The present invention relates to a method for manufacturing a hollow fiber membrane module. More specifically, the present invention relates to a method for manufacturing a ceramic hollow fiber membrane module having excellent airtightness in a module sealing portion.
【０００２】[0002]
【従来の技術】膜形成性高分子物質の有機溶媒溶液中に
AL2O3、SiO2、ZrO2等のセラミックス粉末を高充填した
紡糸原液を用いて乾湿式紡糸し、得られた複合中空糸膜
を焼成することにより、孔径が約0.1〜6μm、外径が約
0.5〜4mmの多孔質セラミックス中空糸膜が得られたこと
は周知である。2. Description of the Related Art In a solution of a film-forming polymer in an organic solvent,
AL 2 O 3, a ceramic powder of SiO 2, ZrO 2 or the like is dry-wet spinning using a high filled spinning solution, by calcining the resulting composite hollow fiber membrane, pore size of about 0.1～6Myuemu, outer diameter Is about
It is well known that a porous ceramic hollow fiber membrane of 0.5 to 4 mm has been obtained.
【０００３】この多孔質セラミックス中空糸膜は、それ
単体でも水処理などのロ過膜として用いることができる
が、これを支持体として用い、中空糸膜表面にシリカ層
などの機能性分離層を複合、形成させることにより、ガ
ス分離膜としての利用も図られる。この場合、これらの
多孔質セラミックス中空糸膜は、1本乃至数百本程度を
アルミナ、シリカ等からなる束着管に収容させた膜モジ
ュールの状態で用いられる。The porous ceramic hollow fiber membrane alone can be used as a filtration membrane for water treatment or the like, but this is used as a support, and a functional separation layer such as a silica layer is provided on the surface of the hollow fiber membrane. By combining and forming, it can be used as a gas separation membrane. In this case, these porous ceramic hollow fiber membranes are used in the state of a membrane module in which about one to several hundreds are housed in a bundle tube made of alumina, silica or the like.
【０００４】中空糸膜の束着管への収容に際しては、中
空糸膜を固定させる以外に、分離媒体が膜機能部分以外
からリークするのを防ぐための気密性の付与も要求され
る。本出願人は先に、このような要求を満足させる中空
糸膜の束着による膜モジュールの製造方法として、束着
材で封止したセラミックス中空糸膜群端部の束着材接触
部分およびモジュール封止端面をガラス材で被覆する方
法を提案している(特開平11-226,370号公報)。When the hollow fiber membrane is housed in the bundled tube, it is required to provide airtightness for preventing the separation medium from leaking from other than the membrane functional part, in addition to fixing the hollow fiber membrane. The present applicant has previously described a method of manufacturing a membrane module by bundling hollow fiber membranes that satisfies such a demand, as a bundle bonding material contact portion at the end of a ceramic hollow fiber membrane group sealed with a bundling material and a module. A method of covering the sealing end face with a glass material has been proposed (JP-A-11-226,370).
【０００５】この膜モジュールの製造方法では、ガラス
材で被覆した多孔質セラミックス中空糸膜の先端部をエ
ポキシ樹脂等の接着剤で予め封止し、中空糸膜群端部に
束着材を封入、固定した後、接着剤封止部分の束着の一
部を切断し、然る後にモジュール端面をガラス材で被覆
するという方法がとられている。In this method of manufacturing a membrane module, the tip of a porous ceramic hollow fiber membrane covered with a glass material is sealed in advance with an adhesive such as epoxy resin, and a bundle material is sealed at the end of the hollow fiber membrane group. Then, after fixing, a part of the bundle of adhesive-sealed portions is cut, and then the end face of the module is covered with a glass material.
【０００６】このため、束着部の切断時の振動によって
セラミックス中空糸膜が破損したり、あるいは切断面の
粗れによってガラス被覆が不均一となり、十分なる気密
性が得られなくなるなどの不具合が発生する場合もみら
れた。[0006] For this reason, there are problems such as the ceramic hollow fiber membrane being damaged by vibration at the time of cutting the bundled portion, or the glass coating being uneven due to the roughened cut surface, and sufficient airtightness not being obtained. Occurred in some cases.
【０００７】[0007]
【発明が解決しようとする課題】本発明の目的は、多孔
質セラミックス中空糸膜群端部の束着材接触部分および
束着材封止端面をガラス材で被覆した中空糸膜モジュー
ルであって、作製の容易性および気密性の再現性を十分
に達成し得るそれの製造方法を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a hollow fiber membrane module in which a bundle material contact portion at the end of a porous ceramic hollow fiber membrane group and a bundle material sealing end face are covered with a glass material. It is an object of the present invention to provide a method for producing the same, which can sufficiently achieve the ease of production and the reproducibility of airtightness.
【０００８】[0008]
【課題を解決するための手段】かかる本発明の目的は、
端部がガラス材で被覆された多孔質セラミックス中空糸
膜群の束着用端部を束着管に挿入した状態で、常温以上
の融点を有する有機化合物により仮封止し、次いでその
内側に束着材を充填した後有機化合物を除去し、有機化
合物が除去された束着材端面をガラス材で被覆し、中空
糸膜モジュールを製造する方法によって達成される。SUMMARY OF THE INVENTION The object of the present invention is as follows.
With the bundled end of the porous ceramic hollow fiber membrane group whose end is coated with a glass material inserted into a bundle tube, the bundle is temporarily sealed with an organic compound having a melting point of room temperature or higher, and then bundled inside. This is achieved by a method of manufacturing a hollow fiber membrane module by removing an organic compound after filling a dressing material, covering the end surface of the bundled bonding material from which the organic compound has been removed with a glass material.
【０００９】[0009]
【発明の実施の形態】多孔質セラミックス中空糸膜とし
ては、一般にAl2O3、Y2O3、MgO、SiO2、Si3N 4、ZrO2等
の粉末を分散させた高分子物質の有機溶媒溶液を用い、
それを乾湿式紡糸して得られる、孔径が約0.1〜6μm、
好ましくは約0.2〜2μmのものが用いられる。これらの
中空糸膜は、外径が約0.5〜4mm程度、好ましくは約1〜3
mm程度であって、その膜厚が約0.1〜0.5mm程度、好まし
くは約0.15〜0.3mm程度のものが1本乃至数百本程度、ア
ルミナ、ジルコニア、チタニア等からなるセラミックス
束着管に部分的にまたは全体的に収容された状態で用い
られる。BEST MODE FOR CARRYING OUT THE INVENTION A porous ceramic hollow fiber membrane
In general, AlTwoOThree, YTwoOThree, MgO, SiOTwo, SiThreeN Four, ZrOTwoetc
Using an organic solvent solution of a polymer substance in which the powder is dispersed,
The pore size obtained by spin-dry spinning it is about 0.1-6 μm,
Preferably those having a thickness of about 0.2 to 2 μm are used. these
The hollow fiber membrane has an outer diameter of about 0.5 to 4 mm, preferably about 1 to 3 mm.
mm, with a film thickness of about 0.1-0.5 mm,
About one to several hundred pieces of about 0.15 to 0.3 mm
Ceramics made of lumina, zirconia, titania, etc.
Used partially or completely in the bundled tube
Can be
【００１０】中空糸膜群の束着管への収容は、中空糸膜
群端部を束着材によって束着することによって行われる
が、その際束着材接触部分が予めガラス材で被覆されて
いる。ガラス材としてはペースト状のものが用いられ、
それの被覆は刷毛塗り、こて塗りあるいはディッピング
などによって行われる。約1mm以下、好ましくは約0.1〜
0.5mmの厚さで被覆されたガラス材は、約400〜1300℃、
好ましくは約500〜1200℃で約5〜30分間程度加熱処理さ
れる。The hollow fiber membrane group is accommodated in the bundle tube by bundling the ends of the hollow fiber membrane group with a bundling material. At this time, a contact portion of the bundling material is covered with a glass material in advance. ing. Paste is used as the glass material,
The coating is performed by brushing, troweling or dipping. About 1 mm or less, preferably about 0.1 to
Glass material coated with a thickness of 0.5 mm, about 400 ~ 1300 ℃,
The heat treatment is preferably performed at about 500 to 1200 ° C. for about 5 to 30 minutes.
【００１１】中空糸膜群を部分的にセラミックス束着管
に収容する態様では、中空糸膜群の束着用端部が両端部
それぞれに用いられた束着管に挿入された状態で用いら
れ、その場合の一連の工程は図1(a)〜(c)に示される。
束着管としては、気密性を有し、束着材で封止できるも
のであれば任意のものを用いることができ、例えばアル
ミナ管、シリカ管、ガラス管などが用いられる。In a mode in which the hollow fiber membrane group is partially accommodated in the ceramic bundled tube, the hollow fiber membrane group is used in a state in which the bundled end portions are inserted into the bundled tubes used at both ends thereof, A series of steps in that case are shown in FIGS. 1 (a) to 1 (c).
As the bundling tube, any tube can be used as long as it has airtightness and can be sealed with a bundling material. For example, an alumina tube, a silica tube, a glass tube, or the like is used.
【００１２】多孔質セラミックス中空糸膜1は、その両
端部表面の束着材接触部分にガラス材被覆2がなされて
おり、そのような中空糸膜群の束着用端部が両端部それ
ぞれに用いられた束着管3,3′に挿入された状態で、常
温以上の融点を有する有機化合物4によって仮封止され
ている(図1(a)参照)。The porous ceramic hollow fiber membrane 1 is provided with a glass material coating 2 on the surface of the both end surfaces where the bundling material contacts, and the bundled end of such a hollow fiber membrane group is used for each end. While being inserted into the bundled tubes 3, 3 'thus obtained, they are temporarily sealed with an organic compound 4 having a melting point of room temperature or higher (see FIG. 1 (a)).
【００１３】ここで、常温以上、好ましくは常温乃至約
70℃の融点を有する有機化合物としては、仮封止するこ
とができ、後で溶媒抽出、加熱溶融等の除去手段で除去
できるものであれば任意のものを使用することができ、
例えばポリエチレングリコール#1540(融点44〜48℃)、
ポリエチレングリコール#6000(融点56〜63℃)、n-テト
ラデシルアルコール(融点38℃)、パラフィン(融点42〜7
0℃)、1-エイコサノール（融点64〜66℃）等が用いられ
る。これらの有機化合物は、加熱溶融、有機溶媒溶液な
どの形で用いられ、冷却、溶媒揮散などの方法で固化さ
せることにより、中空糸膜群の仮封止が行われる。Here, the temperature is equal to or higher than room temperature, preferably from room temperature to about
As the organic compound having a melting point of 70 ° C., any one can be used as long as it can be temporarily sealed, and can be later removed by a removal method such as solvent extraction and heat melting.
For example, polyethylene glycol # 1540 (melting point 44-48 ° C),
Polyethylene glycol # 6000 (melting point 56-63 ° C), n-tetradecyl alcohol (melting point 38 ° C), paraffin (melting point 42-7
0 ° C.), 1-eicosanol (melting point 64-66 ° C.) and the like. These organic compounds are used in the form of heat melting, an organic solvent solution, or the like, and are solidified by a method such as cooling or solvent evaporation to temporarily seal the hollow fiber membrane group.
【００１４】次いで、その内側の中空糸膜群間隙に、束
着材5が充填される(図1(b)参照)。束着材としては、シ
リカ、アルミナ等のセラミックスを主成分とする無機系
接着剤であって、この種の用途に使用されている市販品
をそのまま用いることができ、充填後約0.5〜5分間程度
振動を与え続けた後、約100〜150℃で約0.5〜2時間加熱
処理する。他の端部についても、同様の工程が実施され
る。Next, the bundle bonding material 5 is filled in the hollow fiber membrane group gap inside (see FIG. 1 (b)). As the bundling material, silica, an inorganic adhesive mainly composed of ceramics such as alumina, a commercially available product used for this kind of application can be used as it is, and after filling for about 0.5 to 5 minutes After continuous vibration, heat treatment is performed at about 100 to 150 ° C. for about 0.5 to 2 hours. Similar steps are performed for the other ends.
【００１５】その後、仮封止有機化合物の除去が行わ
れ、そこに残った束着材端面のガラス材6による被覆が
行われる(図1(c)参照)。束着材端面のガラス材による被
覆は、約1mm以下、好ましくは約0.1〜0.5mmの厚さで行
われる。これを室温で乾燥させた後、約400〜1300℃、
好ましくは約500〜1200℃で約5〜30分間加熱処理する。Thereafter, the temporarily sealed organic compound is removed, and the end surface of the bundled material remaining there is covered with the glass material 6 (see FIG. 1 (c)). The end surface of the bundle material is coated with a glass material to a thickness of about 1 mm or less, preferably about 0.1 to 0.5 mm. After drying this at room temperature, about 400-1300 ° C,
Preferably, heat treatment is performed at about 500 to 1200 ° C. for about 5 to 30 minutes.
【００１６】また、中空糸膜群を全体的にセラミックス
束着管に収容する態様では、中空糸膜(10)群全体が1本
の束着管21内に収容されており、この束着管はその中央
部分に束着材22充填用の切欠部分23が設けられている
(図3参照)。In the embodiment in which the hollow fiber membrane group is entirely housed in the ceramic bundled tube, the entire hollow fiber membrane (10) group is housed in a single bundled tube 21. Is provided with a cutout portion 23 for filling the bundling material 22 in its central portion.
(See FIG. 3).
【００１７】このような束着管に設けられる切欠部分
は、束着材を内側から充填するために設けられるもので
あり、束着部を形成するのに用いられる両端部を少くと
も約20〜50mm、好ましくは約30〜40mmを残して、円周の
約1/3〜4/5、好ましくは約1/2〜3/4の大きさで切り欠い
た構造のものとして用いられる。The cutout portion provided in such a bundling tube is provided for filling the bundling material from the inside, and the both ends used to form the bundling portion have at least about 20 to 20 parts. Except for 50 mm, preferably about 30 to 40 mm, it is used as a notched structure having a size of about 1/3 to 4/5, preferably about 1/2 to 3/4 of the circumference.
【００１８】この態様における有機化合物による仮封
止、束着材の充填、有機化合物の除去および束着材端面
のガラス材による被覆は、前記態様の場合と同様にして
行われる。In this embodiment, the temporary sealing with the organic compound, the filling of the bundling material, the removal of the organic compound, and the coating of the end surface of the bundling material with the glass material are performed in the same manner as in the above embodiment.
【００１９】[0019]
【発明の効果】本発明方法により、多孔質セラミックス
中空糸膜群端部の束着材接触部分および束着材封止端面
をガラス材で被覆するに際し、中空糸膜の破損などもな
く、気密性の再現性が十分に確保され、信頼性が高めら
れた中空糸膜モジュールを容易な方法で作製することが
できる。According to the method of the present invention, when covering the bundled material contacting portion and the bundled material sealing end surface of the end portion of the porous ceramic hollow fiber membrane group with the glass material, the hollow fiber membrane is not damaged and the airtightness is obtained. The reproducibility of the properties is sufficiently ensured, and the hollow fiber membrane module with improved reliability can be manufactured by an easy method.
【００２０】[0020]
【実施例】次に、実施例について本発明を説明する。Next, the present invention will be described with reference to examples.
【００２１】実施例１ 多孔質アルミナ中空糸膜(外径2mm、内径1.6mm、孔径0.2
μm)の両端部各30mmの表面にペースト状ガラス材(日本
電気硝子製品GA-13)を塗布し、これを1150℃で30分間加
熱処理して、ガラス材被覆中空糸膜を得た。このように
して得られたガラス材被覆中空糸膜5本を、その一方の
端面をフィルム7で封止したアルミナ製束着管(外径25m
m、内径20mm、長さ30mm）中に挿入し、そこに70℃に加
熱して融解させたテトラデシルアルコールを端面(フィ
ルム面)から10mmの深さ迄流入させ、冷却、固化させ
た。Example 1 A porous alumina hollow fiber membrane (outer diameter 2 mm, inner diameter 1.6 mm, pore diameter 0.2
μm) was coated with a paste-like glass material (GA-13, manufactured by Nippon Electric Glass Co., Ltd.) on each 30 mm surface, and heated at 1150 ° C. for 30 minutes to obtain a glass material-coated hollow fiber membrane. The five glass material-coated hollow fiber membranes thus obtained were bundled with an alumina bundled tube (outer diameter 25 m) having one end face sealed with a film 7.
m, inner diameter 20 mm, length 30 mm), into which tetradecyl alcohol heated and melted at 70 ° C. was flowed to a depth of 10 mm from the end face (film face), and cooled and solidified.
【００２２】次いで、無機系接着剤(アレムコ プロダク
ツ製品セラマボンド569)を束着材として深さ10mm迄充填
し、約5分間程度振動を与えた後、常温下で3日間乾燥さ
せた。その後、封止フィルムを剥し、束着部を70℃に加
熱してn-テトラデシルアルコールを端部から溶融除去
し、さらに有機溶媒(n-ヘキサン)を用いて洗浄した後、
無機系接着剤の硬化を100℃で2時間行った。硬化終了
後、束着材端面にペースト状ガラス材(アレムコ プロダ
クツ製品アレムコシール617)を塗布し、常温で乾燥させ
た後900℃で30分間の加熱処理を行ない、束着材封止端
面がガラス材で被覆された膜モジュールを作製した。Next, an inorganic adhesive (Ceramabond 569 manufactured by Alemco Products) was filled as a bundling material to a depth of 10 mm, vibrated for about 5 minutes, and dried at room temperature for 3 days. Thereafter, the sealing film was peeled off, and the bundled portion was heated to 70 ° C. to melt and remove n-tetradecyl alcohol from the end, and further washed with an organic solvent (n-hexane).
The inorganic adhesive was cured at 100 ° C. for 2 hours. After curing, paste paste glass material (Alemco Products Alemco Seal 617) is applied to the bundled material end surface, dried at room temperature, and then heat-treated at 900 ° C for 30 minutes. Was produced.
【００２３】このような方法により10本の膜モジュール
を作製したが、いずれも膜モジュールの作製時に中空糸
膜の破損はみられなかった。また、このような膜モジュ
ールについて、ガス漏洩試験を行った。試験は、図２に
示される如く、中空糸膜モジュール8をOリング9を用い
てSUS製ハウジング10に取付けた後、出口11,12,13を封
止し、真空ポンプ14で減圧し、バルブ15を閉じて、圧力
計16で圧力変化を測定した。24時間後の圧力変化は24Pa
と、高い気密性を再現性よく示すことが確認された。[0023] Ten membrane modules were produced by the above method, but no damage was found in the hollow fiber membranes when producing the membrane modules. Further, a gas leakage test was performed on such a membrane module. In the test, as shown in FIG. 2, after attaching the hollow fiber membrane module 8 to the SUS housing 10 using the O-ring 9, the outlets 11, 12, and 13 are sealed, and the pressure is reduced by the vacuum pump 14, 15 was closed, and the pressure change was measured with a pressure gauge 16. The pressure change after 24 hours is 24 Pa
It was confirmed that high airtightness was exhibited with good reproducibility.
【００２４】実施例２ 長さ200mm、円周の1/2の切欠部を有する、図3に示され
る如きアルミナ製束着管(外径30mm、内径25mm、長さ250
mm)内に、多孔質アルミナ製中空糸膜(外径2mm、内径1.8
mm、長さ240mm)を10本設置した。この中空糸膜として
は、実施例1と同様に、両端部表面がペースト状ガラス
材で被覆されたものが用いられた。Example 2 An alumina bundled tube as shown in FIG. 3 (outside diameter 30 mm, inside diameter 25 mm, length 250 mm) having a notch of 200 mm in length and 1/2 of the circumference
), a porous alumina hollow fiber membrane (outer diameter 2 mm, inner diameter 1.8
mm, 240 mm in length). As in the case of Example 1, the hollow fiber membrane having both end surfaces coated with a paste-like glass material was used.
【００２５】その両端面をフィルムで封止した束着管
に、一方側ずつ70℃に加熱融解させたn-テトラデシルア
ルコールを流し込み、冷却、固化させた後、やはり一方
ずつ無機系接着剤(セラマボンド569)よりなる束着材を
充填し、常温下で3日間乾燥させた。以下、実施例1と同
様に処理して、膜モジュールを作製した。The n-tetradecyl alcohol, which has been heated and melted at 70 ° C. on one side, is poured into a bundled tube whose both end surfaces are sealed with a film, cooled and solidified. A bundling material made of Cerama Bond 569) was filled and dried at room temperature for 3 days. Thereafter, the same treatment as in Example 1 was performed to produce a membrane module.
【００２６】このような方法により10本の膜モジュール
を作製し、いずれもOリングを用いてSUS製ハウジングに
取付け、300℃に加熱した後空冷する熱衝撃を加え、そ
の度ごとにビルドアップ法によるガス漏洩試験を行った
ところ、30回のくり返し試験では、セラミックス中空糸
膜の破損によるガス洩れは全くみられなかった。[0026] Ten membrane modules were manufactured by the above method, all of which were mounted on a SUS housing using an O-ring, heated to 300 ° C, and then subjected to a thermal shock of air cooling. The gas leakage test was performed 30 times. As a result, no gas leakage due to breakage of the ceramic hollow fiber membrane was observed at all in 30 repeated tests.
【図１】本発明方法の第1の実施態様における各工程(a)
〜(c)を示す断面図である。FIG. 1 shows each step (a) in the first embodiment of the method of the present invention.
It is sectional drawing which shows (c).
【図２】ガス漏洩試験方法を示す概略図である。FIG. 2 is a schematic view showing a gas leakage test method.
【図３】本発明方法の第2の実施態様を示す斜視図であ
る。FIG. 3 is a perspective view showing a second embodiment of the method of the present invention.
【符号の説明】 １ 多孔質セラミックス中空糸膜 ２ ガラス材被覆材 ３,３′ 束着管 ４ 常温以上の融点を有する有機化合物 ５ 束着材 ６ ガラス材 ７ 封止フィルム ８ 中空糸膜モジュール 20 多孔質セラミックス中空糸膜 21 束着管 22 束着材 23 束着管切欠部分 24 ガラス材[Description of Signs] 1 Porous ceramic hollow fiber membrane 2 Glass material coating material 3,3 'Bundling tube 4 Organic compound having a melting point higher than normal temperature 5 Bundling material 6 Glass material 7 Sealing film 8 Hollow fiber membrane module 20 Porous ceramic hollow fiber membrane 21 Bundle tube 22 Bundle material 23 Bundle tube cutout 24 Glass material
【手続補正書】[Procedure amendment]
【提出日】平成１２年８月１１日（２０００．８．１
１）[Submission date] August 11, 2000 (2008.1.
1)
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００２[Correction target item name] 0002
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【０００２】[0002]
【従来の技術】膜形成性高分子物質の有機溶媒溶液中に
Al 2 O 3 、SiO2、ZrO2等のセラミックス粉末を高充填した
紡糸原液を用いて乾湿式紡糸し、得られた複合中空糸膜
を焼成することにより、孔径が約0.1〜6μm、外径が約
0.5〜4mmの多孔質セラミックス中空糸膜が得られたこと
は周知である。2. Description of the Related Art In a solution of a film-forming polymer in an organic solvent,
Al 2 O 3, a ceramic powder of SiO 2, ZrO 2 or the like is dry-wet spinning using a high filled spinning solution, by calcining the resulting composite hollow fiber membrane, pore size of about 0.1～6Myuemu, outer diameter Is about
It is well known that a porous ceramic hollow fiber membrane of 0.5 to 4 mm has been obtained.
【手続補正２】[Procedure amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００２３[Correction target item name] 0023
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【００２３】 このような方法により10本の膜モジュー
ルを作製したが、いずれも膜モジュールの作製時に中空
糸膜の破損はみられなかった。また、膜モジュール中の
中空糸のガラス被覆されていない部分に接着剤を塗布す
ることにより、ガス漏れをなくした膜モジュールについ
て、ガス漏洩試験を行った。試験は、図２に示される如
く、中空糸膜モジュール8をOリング9を用いてSUS製ハウ
ジング10に取付けた後、出口11,12は開放して出口13を
封止し、真空ポンプ14で減圧し、バルブ15を閉じて、圧
力計16で圧力変化を測定した。24時間後の圧力変化は24
Paと、高い気密性を再現性よく示すことが確認された。[0023] Ten membrane modules were produced by such a method, and no breakage of the hollow fiber membrane was observed in producing any of the membrane modules. Also, in the membrane module
Apply adhesive to the non-glass-coated part of the hollow fiber
Thus , a gas leak test was performed on the membrane module from which gas leak was eliminated . In the test, as shown in FIG. 2, after attaching the hollow fiber membrane module 8 to the SUS housing 10 using the O-ring 9, the outlets 11 and 12 are opened and the outlet 13 is connected.
After sealing , the pressure was reduced by the vacuum pump 14, the valve 15 was closed, and the pressure change was measured by the pressure gauge 16. The pressure change after 24 hours is 24
It was confirmed that Pa and high airtightness were exhibited with good reproducibility.
Claims (5)
セラミックス中空糸膜群の束着用端部を束着管に挿入し
た状態で、常温以上の融点を有する有機化合物により仮
封止し、次いでその内側に束着材を充填した後有機化合
物を除去し、有機化合物が除去された束着材端面をガラ
ス材で被覆することを特徴とする中空糸膜モジュールの
製造方法。1. A state in which a bundled end of a porous ceramic hollow fiber membrane group whose end surface is coated with a glass material is temporarily sealed with an organic compound having a melting point of room temperature or higher in a state where the bundled end is inserted into a bundle tube. A method for manufacturing a hollow fiber membrane module, comprising: filling a bundling material in the inside thereof, removing an organic compound, and covering an end surface of the bundling material from which the organic compound has been removed with a glass material.
って行われる請求項１記載の中空糸膜モジュールの製造
方法。2. The method for producing a hollow fiber membrane module according to claim 1, wherein the removal of the organic compound is performed by extraction with a solvent.
る請求項１記載の中空糸膜モジュールの製造方法。3. The method for producing a hollow fiber membrane module according to claim 1, wherein the removal of the organic compound is performed by heating.
端部が両端部それぞれに用いられた束着管に挿入されて
いる請求項１記載の中空糸膜モジュールの製造方法。4. The method for producing a hollow fiber membrane module according to claim 1, wherein the bundled ends of the porous ceramic hollow fiber membrane group are inserted into bundled tubes used at both ends.
本の束着管内に収容されており、該束着管はその中央部
分に切欠部が設けられている請求項１記載の中空糸膜モ
ジュールの製造方法。5. The whole porous ceramic hollow fiber membrane group is 1
The method for manufacturing a hollow fiber membrane module according to claim 1, wherein the bundled tube is housed in a bundled tube, and the bundled tube is provided with a cutout portion at a central portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000175679A JP2001353426A (en) | 2000-06-12 | 2000-06-12 | Method for manufacturing hollow fiber membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000175679A JP2001353426A (en) | 2000-06-12 | 2000-06-12 | Method for manufacturing hollow fiber membrane module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001353426A true JP2001353426A (en) | 2001-12-25 |
Family
ID=18677525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000175679A Pending JP2001353426A (en) | 2000-06-12 | 2000-06-12 | Method for manufacturing hollow fiber membrane module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001353426A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743387A (en) * | 2019-09-20 | 2020-02-04 | 三达膜科技（厦门）有限公司 | End capping method for tubular ceramic membrane |
| CN110743388A (en) * | 2019-09-20 | 2020-02-04 | 三达膜科技（厦门）有限公司 | End-capping method for tubular ceramic membrane |
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|---|---|---|---|---|
| JPS57160945A (en) * | 1981-03-30 | 1982-10-04 | Toyobo Co Ltd | Bundling and bonding method for slender porous glass tube |
| JPS58112003A (en) * | 1981-12-24 | 1983-07-04 | Kuraray Co Ltd | Method for sealing end part of hollow yarn membrane |
| JPS6271513A (en) * | 1985-09-24 | 1987-04-02 | Nippon Steel Corp | Method of fixing end part of gas separation module |
| JPH0275331A (en) * | 1988-09-08 | 1990-03-15 | Nok Corp | Method for bonding bundle of inorganic tubular separation membrane |
| JPH0481636U (en) * | 1990-11-29 | 1992-07-16 | ||
| JPH04250805A (en) * | 1990-11-27 | 1992-09-07 | Mitsui Petrochem Ind Ltd | Bag filter |
| JPH07308550A (en) * | 1994-05-17 | 1995-11-28 | Toray Ind Inc | Production of hollow fiber membrane module |
| JPH1133365A (en) * | 1997-07-17 | 1999-02-09 | Asahi Chem Ind Co Ltd | Method and apparatus for two-layer centrifugal bonding of hollow yarn membrane module |
| JPH11226370A (en) * | 1998-02-17 | 1999-08-24 | Nok Corp | Porous ceramic type hollow fiber membrane module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57160945A (en) * | 1981-03-30 | 1982-10-04 | Toyobo Co Ltd | Bundling and bonding method for slender porous glass tube |
| JPS58112003A (en) * | 1981-12-24 | 1983-07-04 | Kuraray Co Ltd | Method for sealing end part of hollow yarn membrane |
| JPS6271513A (en) * | 1985-09-24 | 1987-04-02 | Nippon Steel Corp | Method of fixing end part of gas separation module |
| JPH0275331A (en) * | 1988-09-08 | 1990-03-15 | Nok Corp | Method for bonding bundle of inorganic tubular separation membrane |
| JPH04250805A (en) * | 1990-11-27 | 1992-09-07 | Mitsui Petrochem Ind Ltd | Bag filter |
| JPH0481636U (en) * | 1990-11-29 | 1992-07-16 | ||
| JPH07308550A (en) * | 1994-05-17 | 1995-11-28 | Toray Ind Inc | Production of hollow fiber membrane module |
| JPH1133365A (en) * | 1997-07-17 | 1999-02-09 | Asahi Chem Ind Co Ltd | Method and apparatus for two-layer centrifugal bonding of hollow yarn membrane module |
| JPH11226370A (en) * | 1998-02-17 | 1999-08-24 | Nok Corp | Porous ceramic type hollow fiber membrane module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743387A (en) * | 2019-09-20 | 2020-02-04 | 三达膜科技（厦门）有限公司 | End capping method for tubular ceramic membrane |
| CN110743388A (en) * | 2019-09-20 | 2020-02-04 | 三达膜科技（厦门）有限公司 | End-capping method for tubular ceramic membrane |
| CN110743388B (en) * | 2019-09-20 | 2021-08-20 | 三达膜科技（厦门）有限公司 | End-capping method for tubular ceramic membrane |
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