JPH0829227B2 - Method for manufacturing hollow fiber semipermeable membrane module - Google Patents
Method for manufacturing hollow fiber semipermeable membrane moduleInfo
- Publication number
- JPH0829227B2 JPH0829227B2 JP62265854A JP26585487A JPH0829227B2 JP H0829227 B2 JPH0829227 B2 JP H0829227B2 JP 62265854 A JP62265854 A JP 62265854A JP 26585487 A JP26585487 A JP 26585487A JP H0829227 B2 JPH0829227 B2 JP H0829227B2
- Authority
- JP
- Japan
- Prior art keywords
- air vent
- hollow fiber
- semipermeable membrane
- module
- vent hole
- 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
- 239000012528 membrane Substances 0.000 title claims description 52
- 239000012510 hollow fiber Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 15
- 239000000565 sealant Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、中空糸半透膜モジュールの製造方法に関
し、さらに詳細にはモジュール内に残留する気体をほぼ
完全に排出可能な空気抜構造を備えた中空糸半透膜モジ
ュールの製造方法に関する。Description: TECHNICAL FIELD The present invention relates to a method for manufacturing a hollow fiber semipermeable membrane module, and more particularly to an air vent structure capable of almost completely exhausting gas remaining in the module. The present invention relates to a method for manufacturing a hollow fiber semipermeable membrane module provided.
ポリスルホン等の中空糸半透膜は、耐薬品性及び機械
的特性に優れるため、有機物の限外濾過等にさかんに使
用されている。Hollow fiber semipermeable membranes such as polysulfone have excellent chemical resistance and mechanical properties, and are therefore widely used for ultrafiltration of organic substances.
このような中空糸半透膜のモジュール内において、化
学反応により発生し或いは原液供給時に混入した気体
は、中空糸半透膜表面に蓄積して膜の実行膜面積を減少
させることが知られている。このため、中空糸半透膜モ
ジュールに適当な空気抜構造を備えて液体内の残留気体
を適宜排出させる必要があり、特に全量濾過型モジュー
ルには欠かせないものである。It is known that in such a hollow fiber semipermeable membrane module, a gas generated by a chemical reaction or mixed in at the time of supplying the undiluted solution accumulates on the surface of the hollow fiber semipermeable membrane to reduce the effective membrane area of the membrane. There is. For this reason, the hollow fiber semipermeable membrane module needs to be provided with an appropriate air vent structure to appropriately discharge the residual gas in the liquid, which is particularly indispensable for the full-volume filtration type module.
第１図に、かかる空気抜構造を備えた従来の中空糸半
透膜モジュールについて、空気抜孔の近傍の縦断面図を
示す。第１図の中空糸半透膜モジュールは、封止剤１に
よって端部が封止された複数の中空糸膜６を収容してお
り、封止剤１は中空糸膜６をモジュールのケーシング５
に固定し、封止剤１の表面７はモジュール内の膜室２を
区画している。本発明において膜室とは、ケーシング内
部であって中空糸膜の外周部に接触して被処理溶液が充
填されている空間をいう。FIG. 1 shows a vertical cross-sectional view in the vicinity of an air vent hole in a conventional hollow fiber semipermeable membrane module having such an air vent structure. The hollow fiber semipermeable membrane module of FIG. 1 contains a plurality of hollow fiber membranes 6 whose ends are sealed with a sealant 1. The sealant 1 includes the hollow fiber membranes 6 and a casing 5 of the module.
The surface 7 of the sealant 1 defines the membrane chamber 2 in the module. In the present invention, the membrane chamber refers to a space inside the casing that is in contact with the outer peripheral portion of the hollow fiber membrane and is filled with the solution to be treated.
ケーシング５上には、モジュール外部と膜室２内を連
通する空気抜孔３が形成され、空気抜孔３は先端部にＯ
−リング等のパッキングが挿入された空気抜栓９と螺合
している。かかる空気抜孔３は、膜室２を区画する封止
剤１の表面７より僅かに下方の位置に設けられていた。An air vent hole 3 that communicates the outside of the module with the inside of the membrane chamber 2 is formed on the casing 5.
-It is screwed into the air vent plug 9 in which a packing such as a ring is inserted. The air vent hole 3 was provided at a position slightly lower than the surface 7 of the sealant 1 that partitions the membrane chamber 2.
しかしながら、第１図のように空気抜孔３が封止剤１
の表面７よりも下方にあると、空気抜孔３よりも上方に
溜まった気体は排出することができないため、膜全体と
しての実効面積を低下させ、膜を有効利用できないとい
う問題があった。さらに、このような気体の残留領域
は、薬剤による滅菌も十分に行われないため、細菌等が
取り残され、後の使用によって徐々に細菌等が拡散して
モジュール内を汚染するという問題があった。However, as shown in FIG.
If it is below the surface 7 of the above, the gas accumulated above the air vent hole 3 cannot be discharged, so that there is a problem that the effective area of the entire film is reduced and the film cannot be effectively used. Furthermore, since such a residual region of gas is not sufficiently sterilized by a chemical, bacteria and the like are left behind, and there is a problem that bacteria and the like gradually diffuse and contaminate the inside of the module in later use. .
そこで本発明は、モジュール内に残留した気体をほぼ
完全に排出可能な空気抜構造を備えた中空糸半透膜モジ
ュールの製造方法を提供することを目的とする。Therefore, an object of the present invention is to provide a method for manufacturing a hollow fiber semipermeable membrane module having an air vent structure capable of almost completely discharging the gas remaining in the module.
本発明者は上記問題点を解決するため鋭意検討・研究
した結果、中空糸半透膜モジュールの製造において、所
定の材料及び形状からなる仮栓を空気抜孔に螺合して該
孔を密閉した後、中空糸膜の封止剤を所定の位置まで注
入することによって好適な空気抜構造を有する中空糸半
透膜モジュールを提供することに成功した。The present inventor has conducted extensive studies and research to solve the above-mentioned problems, and as a result, in the manufacture of a hollow fiber semipermeable membrane module, a temporary stopper made of a predetermined material and shape was screwed into an air vent hole to seal the hole. After that, the hollow fiber semipermeable membrane module having a suitable air vent structure was successfully provided by injecting the hollow fiber membrane sealant to a predetermined position.
即ち、本発明は、中空糸半透膜モジュールの製造方法
において、中空糸膜の端部を封止する封止剤をモジュー
ル内に注入する前に、ケーシング上の所定位置にケーシ
ング内外を連通する空気抜孔を設け、該空気抜孔に先端
部がケーシング内側に突出可能で且つ該封止剤と接着し
ない材料よりなる仮栓を螺合して空気抜孔を密閉した
後、封止剤を膜室を区画する封止剤の表面が該空気抜孔
の膜室側の開口部と交叉する位置まで注入して硬化させ
た後、該仮栓を抜き取ることによって、封止剤表面に該
空気抜孔と連続する切り欠き溝部分を生じさせることを
特徴とする中空糸半透膜モジュールの製造方法をも提供
するものである。That is, according to the present invention, in the method for manufacturing a hollow fiber semipermeable membrane module, the inside and outside of the casing are communicated with a predetermined position on the casing before injecting a sealant for sealing the end of the hollow fiber membrane into the module. An air vent hole is provided, and a temporary plug made of a material whose tip can protrude into the casing inside and does not adhere to the sealant is screwed into the air vent hole to seal the air vent hole. After the surface of the partitioning sealant is injected and cured to a position where it intersects with the opening of the air vent on the side of the membrane chamber, the temporary plug is removed so that the surface of the sealant is continuous with the air vent. The present invention also provides a method for manufacturing a hollow fiber semipermeable membrane module, which is characterized in that a notched groove portion is formed.
本発明の中空糸半透膜モジュールの製造方法を第２図
を参照して説明する。The method for manufacturing the hollow fiber semipermeable membrane module of the present invention will be described with reference to FIG.
第２図は、本発明の製造方法の一工程における中空糸
半透膜モジュールの縦断面の一部を表した図である。本
発明の方法に従えば、先ず、中空糸半透膜モジュールの
ケーシング５内外を連通する空気抜孔３をケーシング上
の所定の位置に形成する。FIG. 2 is a view showing a part of a vertical cross section of the hollow fiber semipermeable membrane module in one step of the production method of the present invention. According to the method of the present invention, first, the air vent hole 3 that communicates the inside and outside of the casing 5 of the hollow fiber semipermeable membrane module is formed at a predetermined position on the casing.
かかる空気抜孔３は、その内壁が、膜室側の開口部か
らケーシング外部に向かって、空気抜孔軸方向に同軸上
にテーパー部が形成され、さらにケーシング外部に向か
ってその内壁が螺刻されているものが好ましい。The air vent hole 3 has an inner wall formed with a taper portion coaxially in the axial direction of the air vent hole from the opening on the side of the membrane chamber toward the outside of the casing. Those that are present are preferable.
次に、本発明に従えば、第２図右側に示すように、先
端部が該空気抜孔から膜室内に突出可能な仮栓８を、ケ
ーシング外部から空気抜孔３に螺合させて空気抜孔３を
密閉する。仮栓８は、封止剤と接着しない材料からな
り、例えばポリオレフィン、弗素系ポリマーが好まし
い。Next, according to the present invention, as shown in the right side of FIG. 2, a temporary stopper 8 whose tip portion can project from the air vent hole into the membrane chamber is screwed into the air vent hole 3 from the outside of the casing to remove the air vent hole 3. Seal. The temporary stopper 8 is made of a material that does not adhere to the sealing agent, and is preferably polyolefin or fluorine-based polymer.
次いで、中空糸膜を封止するための封止剤を第２図に
示したように、注入面、即ち膜室２を区画する封止剤表
面７が空気抜孔３の膜室側の開口部に交叉するような高
さまで注入する。封止剤が充分に硬化した後、仮栓８を
ひき抜くことによって第３図の縦断面図に示すような端
末封止剤１の下端の空気抜孔３と連続する部分に切り欠
き溝部分10が形成される。さらに、こうして得られた空
気抜孔３に、第３図に示すような空気抜栓９を取りつけ
て空気抜構造を形成する。Next, as shown in FIG. 2, the sealing agent for sealing the hollow fiber membrane is the injection surface, that is, the sealing agent surface 7 that defines the membrane chamber 2 is the opening of the air vent hole 3 on the membrane chamber side. Inject to a height that intersects with. After the sealant is sufficiently hardened, the temporary plug 8 is pulled out, and the notch groove portion 10 is formed at a portion continuous with the air vent hole 3 at the lower end of the terminal sealant 1 as shown in the vertical sectional view of FIG. Is formed. Further, an air vent plug 9 as shown in FIG. 3 is attached to the air vent hole 3 thus obtained to form an air vent structure.
空気抜栓９は、空気抜孔３と螺合する螺子であり、ケ
ーシングよりも硬度の低い材料からなり、その先端部に
同軸上にテーパー部を備え、該テーパー部の末端部の直
径は空気抜孔３のテーパー部開放端の直径よりも大き
い。このような空気抜構造において、空気抜栓９を所定
の位置まで締め込むことにより、空気抜栓９に設けられ
たテーパー部の末端円周部を空気抜孔３に設けられたテ
ーパー部のテーパー面上に圧接させて空気抜孔３の連通
を密閉することができる。The air vent 9 is a screw that is screwed into the air vent 3, and is made of a material having a hardness lower than that of the casing. The air vent 9 is provided with a taper portion coaxially with its tip, and the diameter of the end of the taper portion is 3 It is larger than the diameter of the open end of the taper part. In such an air vent structure, by tightening the air vent plug 9 to a predetermined position, the end circumferential portion of the taper portion provided on the air vent plug 9 is placed on the tapered surface of the taper portion provided on the air vent hole 3. The air vent holes 3 can be sealed by pressure contact.
上記空気抜構造は、本出願人が既に実用新案登録出願
した半透膜モジュールの空気抜の一種である。このよう
な空気抜構造を採用することによって、第１図のような
従来のＯ−リング等のパッキングを用いた空気抜構造の
場合に生じるパッキング周辺の細菌や不純物の残留によ
るモジュール内の汚染という問題を解消することが可能
となる。さらに、空気抜栓９は、ケーシング材よりも硬
度の低い材料で製造されているため、ケーシング内外の
気密性を維持しつつ空気抜孔の繰り返し開閉に十分耐え
られるという利点を有する。The air vent structure is a type of air vent for the semipermeable membrane module that the applicant has already filed for utility model registration. By adopting such an air bleeding structure, contamination in the module due to residual bacteria and impurities around the packing, which occurs in the case of the air bleeding structure using the conventional packing such as an O-ring as shown in FIG. It is possible to solve the problem. Further, since the air vent plug 9 is made of a material having a hardness lower than that of the casing material, it has an advantage that it can withstand repeated opening and closing of the air vent hole while maintaining airtightness inside and outside the casing.
上記本発明の中空糸半透膜モジュールの製造方法にお
いて、モジュール本体の製造方法、注入口及び排出口の
加工方法、中空糸膜の配設方法等については、本発明に
おいては特に限定されず、どのような方法でもよい。さ
らに、上記方法によって得られた本発明の中空糸半透膜
モジュールにおいても同様であり、上述した以外の構成
については特に限定されない。In the method for manufacturing the hollow fiber semipermeable membrane module of the present invention, the method for manufacturing the module body, the method for processing the inlet and the outlet, the method for disposing the hollow fiber membrane, etc. are not particularly limited in the present invention, Any method will do. Further, the same applies to the hollow fiber semipermeable membrane module of the present invention obtained by the above method, and the configuration other than the above is not particularly limited.
本発明の製造方法によって製造された中空糸半透膜モ
ジュールは、モジュール内の膜室に溜まった気体をほぼ
完全にモジュール外部に排出することができる。このた
め、中空糸膜全体の実効膜面積を向上させ膜の有効利用
が可能となる。さらに、薬剤による滅菌時にも気体残留
領域を残さずモジュール内全領域を有効に滅菌できるた
め、モジュール内を清潔の維持できるという利点があ
る。In the hollow fiber semipermeable membrane module manufactured by the manufacturing method of the present invention, the gas accumulated in the membrane chamber in the module can be almost completely discharged to the outside of the module. Therefore, the effective membrane area of the entire hollow fiber membrane can be improved and the membrane can be effectively used. Further, even when sterilized by a drug, the entire area inside the module can be effectively sterilized without leaving a gas residual area, which is advantageous in that the inside of the module can be kept clean.
第１図は、空気抜構造を備えた従来の空中糸半透膜モジ
ュールの部分縦断面図である。 第２図は、本発明の製造方法の一工程における中空糸半
透膜モジュールの部分縦断面図である。 第３図は、本発明の製造方法によって製造された中空糸
半透膜モジュールの部分縦断面図である。 〔主な参照番号〕 １……封止剤、２……膜室、 ３……空気抜孔、５……ケーシング、 ６……中空糸膜、７……封止剤表面、 ８……仮栓、９……空気抜栓 10……切り欠き溝部分FIG. 1 is a partial vertical cross-sectional view of a conventional air-fiber semipermeable membrane module having an air vent structure. FIG. 2 is a partial vertical cross-sectional view of the hollow fiber semipermeable membrane module in one step of the manufacturing method of the present invention. FIG. 3 is a partial vertical cross-sectional view of the hollow fiber semipermeable membrane module manufactured by the manufacturing method of the present invention. [Main reference numbers] 1 ... Sealant, 2 ... Membrane chamber, 3 ... Air vent hole, 5 ... Casing, 6 ... Hollow fiber membrane, 7 ... Sealant surface, 8 ... Temporary stopper , 9 …… Air vent 10 …… Notched groove
Claims (1)
て、中空糸膜の端部を封止する封止剤をモジュール内に
注入する前に、ケーシング上の所定の位置にケーシング
内外を連通する空気抜孔を設け、該空気抜孔に先端部が
ケーシング内側に突出可能で且つ該封止剤と接着しない
材料よりなる仮栓を螺合して空気抜孔を密閉した後、封
止剤を膜室を区画する封止剤の表面が該空気抜孔の膜室
側の開口部と交叉する位置まで注入して硬化させた後、
該仮栓を抜き取ることによって、封止剤表面に該空気抜
孔と連続する切り欠き溝部分を生じさせることを特徴と
する中空糸半透膜モジュールの製造方法。1. In a method for manufacturing a hollow fiber semipermeable membrane module, the inside and outside of the casing are communicated with a predetermined position on the casing before injecting a sealant for sealing the end of the hollow fiber membrane into the module. An air vent hole is provided, and a temporary plug made of a material whose tip can protrude into the casing inside and does not adhere to the sealant is screwed into the air vent hole to seal the air vent hole. After the surface of the partitioning sealant is injected to a position where the surface of the air vent crosses the opening on the side of the membrane chamber and cured,
A method for producing a hollow fiber semipermeable membrane module, characterized in that a notched groove portion continuous with the air vent hole is formed on the surface of the sealant by removing the temporary plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265854A JPH0829227B2 (en) | 1987-10-21 | 1987-10-21 | Method for manufacturing hollow fiber semipermeable membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62265854A JPH0829227B2 (en) | 1987-10-21 | 1987-10-21 | Method for manufacturing hollow fiber semipermeable membrane module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01107827A JPH01107827A (en) | 1989-04-25 |
| JPH0829227B2 true JPH0829227B2 (en) | 1996-03-27 |
Family
ID=17423000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62265854A Expired - Lifetime JPH0829227B2 (en) | 1987-10-21 | 1987-10-21 | Method for manufacturing hollow fiber semipermeable membrane module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0829227B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3876874B2 (en) | 2003-10-28 | 2007-02-07 | トヨタ自動車株式会社 | Catalyst regeneration method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61293505A (en) * | 1985-06-24 | 1986-12-24 | Toshiba Corp | Filter device utilizing hollow yarn membrane |
-
1987
- 1987-10-21 JP JP62265854A patent/JPH0829227B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01107827A (en) | 1989-04-25 |
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