CN103239996A - Method for manufacturing hollow fiber membrane module and guide member - Google Patents
Method for manufacturing hollow fiber membrane module and guide member Download PDFInfo
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- CN103239996A CN103239996A CN2013100441457A CN201310044145A CN103239996A CN 103239996 A CN103239996 A CN 103239996A CN 2013100441457 A CN2013100441457 A CN 2013100441457A CN 201310044145 A CN201310044145 A CN 201310044145A CN 103239996 A CN103239996 A CN 103239996A
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Abstract
The invention provides a method for manufacturing hollow fiber membrane modules and a guide member. According to the method, braided fabric made of a strip-shaped hollow fiber membrane is free from being wound overtightly, thus is prevented from being varied in shape or being damaged. In this way, the braided fabric can be quickly inserted into a cylinder made of hollow fiber membranes through the opening of a cylindrical shell. The method for manufacturing hollow fiber membrane modules adapted to a water purifier comprises the steps of winding strip-shaped braided fabric made of hollow fiber membranes of a predetermined length to form a cylinder (8) made of hollow fiber membranes; and inserting a guide member into a bottomed cylindrical shell, wherein one end of the cylindrical main body of the guide member (32) is inserted into the opened end of the shell (22) and the cylinder made of hollow fiber membranes is inserted into the shell along the guide member.
Description
Technical field
The present invention is broadly directed to manufacture method and the guiding parts of hollow fiber film assembly, specifically, relates to for the manufacture method of the hollow fiber film assembly of water purifier and the guiding parts that uses with this manufacture method.Background technology
In a lot of purposes such as manufacturing of sterilized water, drinking water, height pure water, hollow fiber film assembly uses as filter membrane.In this hollow fiber film assembly 10, use by inweave strip braid 6(Fig. 1 of the hollow-fibre membrane that the hollow-fibre membrane 4 that turns back in the suture 2 forms at two ends).
To reel this strip braid 6 and the cylinder (Fig. 2) of making the hollow-fibre membrane of cylinder 8 is contained in the housing 12 cylindraceous with the cylinder shape, the bottom is fixing with bonding agent (perfusion resin) 14, thereby constitutes hollow fiber film assembly 10(Fig. 3).
The prior art document
Patent documentation 1: TOHKEMY 2004-216285 communique
Patent documentation 2: TOHKEMY 2008-137005 communique
When manufacturing has the hollow fiber film assembly 10 of this structure, to reel cylinder 8 that the braid 6 of hollow-fibre membrane of the strip cut into predetermined length forms shown in the arrow A of Fig. 4 with the cylinder shape, be inserted in the cylinder shell 12 from openend 12a, and inject and fixingly with resin the cylinder of hollow-fibre membrane to be fixed on the precalculated position in the housing, then the bottom of housing 12 is cut off and makes the lower ending opening of the cylindrical hollow-fibre membrane of formation with cylindrical bottom, this opening portion is exposed to the outside.
In hollow fiber film assembly 10 work as filter membrane owing to constitute cylindrical one one the hollow-fibre membrane 4 of hollow-fibre membrane, therefore preferred in cylinder 8 uniformly-spaced to dispose one one hollow-fibre membrane 4.For this reason, when forming cylinder 8 with the braid 6 of the hollow-fibre membrane 4 of cylinder shape coiling strip, preferably excessively do not take up the strip braid 6 of hollow-fibre membrane 4.
On the other hand, if the strip braid 6 of hollow-fibre membrane 4 is loosely reeled, then when the opening from housing 12 cylindraceous inserts cylinder 8, the hollow-fibre membrane 4 of the peripheral part of cylinder 8 hangs over the openend 12a of housing 12, can't insert and damage problems such as hollow-fibre membrane rapidly thereby existence destroys the shape of cylinder 8.
Summary of the invention
The present invention makes for addressing this is that, manufacture method that provides a kind of hollow fiber film assembly etc. is provided its purpose, this method need not excessively to take up the braid of the hollow-fibre membrane of strip, and can not destroy the cylindrical shape of hollow-fibre membrane or damage hollow-fibre membrane, and can insert the cylinder of hollow-fibre membrane from the opening of housing cylindraceous rapidly.
According to the present invention, a kind of manufacture method of hollow fiber film assembly is provided, this is for the manufacture method of the hollow fiber film assembly of water purifier, it is characterized in that, comprising: it is that the strip braid of predetermined length is rolled and as the cylindrical step of hollow-fibre membrane that hollow-fibre membrane will be arranged; Guiding parts is inserted into the step of the housing of round-ended cylinder shape, and wherein said guiding parts has cylindrical body, and described housing is the housing that the round-ended cylinder shape is arranged of one end opening, and an end of described cylindrical body is inserted into the openend of described housing; And the cylinder of described hollow-fibre membrane is inserted into step in the described housing along described guiding parts.
According to this structure, in the manufacture process of hollow fiber film assembly, the cylinder of hollow-fibre membrane do not destroyed its shape and can be rapidly insert from the opening of housing cylindraceous, increase work efficiency.
According to other optimal ways of the present invention, described guiding parts has the flange part on the end that is located at described cylindrical body.
According to this structure, because flange part is supported on the openend of housing, therefore can more effectively guiding parts be fixed on the housing.
According to other optimal ways of the present invention, it is shaped as taper the described cylindrical body of described guiding parts.
According to this structure, can use cheap guiding parts.
According to other optimal ways of the present invention, its tapering of described cylindrical body has the described guiding parts of 30 °～85 ° angle with respect to the plane vertical with cylinder center's axle of described cylindrical body.
According to this structure, can effectively guiding parts be fixed on the housing, and can be with hollow-fibre membrane smoothly to being inserted in the housing cylindraceous and can not hang on the housing.
According to other optimal ways of the present invention, comprise that utilization is provided with the press tool of board at front end, is pressed into the cylinder that is inserted into the hollow-fibre membrane in the described housing the step in the deep of described housing.
According to this structure, the cylinder that board that can enough front ends will be inserted into the hollow-fibre membrane in the housing is pressed into the deep to the inner space of housing, makes the cylindrical end unanimity of hollow-fibre membrane.
According to other optimal ways of the present invention, the cylinder of described hollow-fibre membrane is to roll described strip braid to form centered by the central tube of tubulose.
According to this structure, can easily the strip braid be rolled and make the cylinder of hollow-fibre membrane.
According to other optimal ways of the present invention, comprising: the step that resin bottle is installed in the upper end of described central tube; And in resin bottle the filling liquid resin, this liquid resin is transported to the bottom of described housing, the cylinder of fixing described hollow-fibre membrane and the step of described housing through described central tube.
According to this structure, liquid resin is not applied to the part beyond the bottom of housing of hollow-fibre membrane and this liquid resin can be transported to the bottom of housing.
According to other modes of the present invention, a kind of guiding parts is provided, be that the guiding parts for the manufacture method of above-mentioned each described hollow fiber film assembly of mode is characterized in that having cylindrical body.
According to this structure, in the manufacture process of hollow fiber film assembly, the cylinder of hollow-fibre membrane do not destroyed its shape and can be rapidly insert from the opening of housing cylindraceous, increase work efficiency.
According to other modes of the present invention, described guiding parts has the flange part on the end that is located at described cylindrical body.
According to this structure, because flange part is supported on the openend of housing, therefore can more effectively guiding parts be fixed on the housing.
According to other modes of the present invention, it is shaped as taper the described cylindrical body of described guiding parts.
According to this structure, can make cheap guiding parts.
According to other modes of the present invention, institute's its tapering of cylindrical body has 30 °～85 ° angle with respect to the plane vertical with cylinder center's axle of described cylindrical body.
According to this structure, can effectively guiding parts be fixed on the housing, and can be with hollow-fibre membrane smoothly to being inserted in the housing cylindraceous and can not hang on the housing.
The present invention has following beneficial effect.
According to the present invention, the manufacture method of hollow fiber film assembly etc. can be provided, this method need not excessively to take up the braid of the hollow-fibre membrane of strip, and can not destroy the cylindrical shape of hollow-fibre membrane or damage hollow-fibre membrane, and can insert the cylinder of hollow-fibre membrane from the opening of housing cylindraceous rapidly.
Description of drawings
Fig. 1 is the vertical view of employed strip braids (hollow fiber membrane bundle) such as manufacture method of the hollow fiber film assembly of optimal way of the present invention.
Fig. 2 is the stereogram of employed columned hollow-fibre membranes (cylinder) such as manufacture method of the hollow fiber film assembly of optimal way of the present invention.
Fig. 3 is to use the longitudinal section of the hollow fiber film assembly that the manufacture method etc. of the hollow fiber film assembly of optimal way of the present invention makes.
Fig. 4 is the figure for the problem of the hollow fiber film assembly of explanation conventional example.
Fig. 5 is to use the summary longitudinal section of the hollow fiber film assembly that the manufacture method of the hollow fiber film assembly of optimal way of the present invention makes.
Fig. 6 is the stereogram of the employed central tube of manufacture method of the hollow fiber film assembly of optimal way of the present invention.
Fig. 7 is the figure for the manufacture method of the hollow fiber film assembly of explanation optimal way of the present invention.
Fig. 8 is the figure for the manufacture method of the hollow fiber film assembly of explanation optimal way of the present invention.
Fig. 9 is the stereogram of the employed press tool of manufacture method of the hollow fiber film assembly of optimal way of the present invention.
Figure 10 is the figure for the manufacture method of the hollow fiber film assembly of explanation optimal way of the present invention.
Figure 11 is the figure for the manufacture method of the hollow fiber film assembly of explanation optimal way of the present invention.
Figure 12 is the figure for the manufacture method of the hollow fiber film assembly of explanation other optimal ways of the present invention.
Among the figure:
The 2-suture, the 4-hollow-fibre membrane, 6-strip braid, the cylinder of 8-hollow-fibre membrane, 22-housing, 24-cylinder (cylinder of hollow-fibre membrane), 26-bonding agent (perfusion resin), the 32-guiding parts, 38-press tool, 46-resin bottle (liquid resin accumulates container).
The specific embodiment
Below, with reference to the manufacture method of the hollow fiber film assembly of description of drawings preferred embodiment of the present invention.
The structure of the hollow fiber film assembly that the manufacture method of the hollow fiber film assembly that uses preferred embodiment of the present invention is made at first, is described.Fig. 5 is to use the summary longitudinal section of the hollow fiber film assembly 20 that the manufacture method of the hollow fiber film assembly of present embodiment makes.
As shown in Figure 5, the structure of hollow fiber film assembly 20 is as follows, one distolateral in the inside of the housing cylindraceous 22 of both ends open, the cylinder (cylinder of hollow-fibre membrane) 24 of the hollow-fibre membrane that will form by the strip braid of coiling hollow-fibre membrane utilizes bonding agent (fixing is perfusion resin with resin) 26 fixing.Constitute the hollow-fibre membrane of cylinder 24 of hollow-fibre membrane at an end opening of a distolateral cylinder 24 that is positioned at housing 22.
And, in the radial center position of cylinder 24, insert logical central tube 28 as cartridge.
As long as the material of housing 22 has mechanical strength and durability, for example can use Merlon, polysulfones, polyolefin, PVC(polyvinyl chloride), acrylic resin, ABS resin, MODIFIED PP E(polyphenylene oxide) etc.
As cylinder 24 hollow-fibre membranes that constitute hollow-fibre membrane, can use various hollow-fibre membranes, for example, can use by cellulose-based, polyolefin, polyethenol series, PMMA(polymethyl methacrylate) be, hollow-fibre membrane that various materials such as polysulfones system constitute.Especially the preferred hollow-fibre membrane that is constituted by the high material of strength and elongations such as polyethylene that uses.
In addition, the aperture of hollow-fibre membrane, voidage, thickness, external diameter etc. are not so long as can then limit the size of hollow-fibre membrane as filter membrane especially, for example, preferred external diameter is 20～2000 μ m, and the aperture is 0.01～1 μ m, voidage is 20～90%, and thickness is about 5～300 μ m.
The manufacture method of the hollow fiber film assembly of present embodiment below is described.
The manufacture method of the hollow fiber film assembly of present embodiment is the manufacture method for the hollow fiber film assembly of water purifier, the strip braid of the hollow-fibre membrane of predetermined length rolled and as the cylinder (ducted body) of hollow-fibre membrane, the cylinder of this hollow-fibre membrane openend from the housing that the round-ended cylinder shape is arranged of an end opening is inserted, in housing, inject then on the fixing precalculated position that with resin the cylinder of hollow-fibre membrane is fixed in the housing.Below be elaborated.
At first, manufacturing strip braid (hollow fiber membrane bundle) 6 as shown in Figure 1.This strip braid 6 is made through compiling braiding by so-called La Sheer, by many hollow-fibre membranes 4 are turned back repeatedly with the length of the width of strip braid 6, then side's side utilization of this fold back portion is tied up and made along the suture 2 of the chain stitch of the length direction extension of strip braid 6.
Then, strip braid 6 is for example cut into about 30 to 50cm, the strip braid 6 that will cut off centered by the central tube 28 as cartridge is as shown in Figure 6 rolled (namely reeling), makes columned hollow-fibre membrane (cylinder) 8 as shown in Figure 2.
And the other end of central tube 28 forms the acute angle angle θ that its front end face and the axis of central tube 28 become to be scheduled to.Preferred 30 to 70 degree of θ.
Then, the cylinder 24 of the hollow-fibre membrane openend 22a from the housing that the round-ended cylinder shape is arranged 22 of an end opening is inserted.Before this, the openend 22a at housing 22 installs guiding parts 32.
Fig. 7 is the stereogram that expression is installed in the structure of the guiding parts 32 on the openend 22a of housing 22.
As shown in Figure 7, guiding parts 32 possesses main part 34 cylindraceous and the annular flange portion 36 that is located at an end of main part 34.One distolateral external diameter of main part 34 is set at slightly littler than the internal diameter of housing 22.And main part 34 is tapered towards the other end from an end of length direction.In addition, main part also can be the drum of same diameter, rather than attenuates towards the other end from an end of length direction.
In addition, in the present embodiment, though guiding parts 32 is provided with annular flange portion 36 at an end of main part 34, also can be as shown in figure 12, it is shaped as taper main part cylindraceous 34.By formation like this, can be easily and make guiding parts 32 at an easy rate.Main part 34 cylindraceous not only comprises the structure with annular flange portion 36, but also comprises the structure of taper.
If above-mentioned its tapering of main part cylindraceous has 30 °～85 ° angle with respect to the plane vertical with cylinder center's axle of above-mentioned main part 34 cylindraceous, then can more effectively guiding parts be fixed on the housing, therefore relatively good, if have 60 °～80 ° angle, then can effectively guiding parts be fixed on the housing, and hollow-fibre membrane can not hang on the housing cylindraceous and it successfully can be inserted, and is therefore better.Figure 12 represents to have the example of 70 ° angle.
The material of guiding parts 32 brings the surface smoothing of damage and the flexible excellent material and selects from misaligning the hollow fiber film, as preferable material, for example can enumerate teflon sheet, olefin-based sheet.
Guiding parts 32 is inserted into the openend 22a of housing 22 by the part that another is distolateral, as shown in Figure 7, is installed on the openend 22a of housing 22.
Then, shown in the arrow B of Fig. 8, the upper end open 34a of the main part 34 of process guiding parts 32 is inserted in the housing 22 with columned hollow-fibre membrane (cylinder) 8.At this moment, the collar flange 36 that the openend 22a of housing 22 is directed to supply ship 32 covers from upside, therefore inserts the columned hollow-fibre membrane (cylinder) 8 of housing 22 when inserting to housing 22, and its outer peripheral face can not clipped the openend 22a of housing 22.
Then, columned hollow-fibre membrane (cylinder) 8 is pressed into the deep of housing 22.Fig. 9 is the stereogram of the press tool 38 of use this moment.As shown in Figure 9, press tool 38 possesses tabular handle portion 40 and is installed in discoid board 42 on the front end of bar-shaped handle portion 40.The length setting of tabular handle portion 40 is longer than the axial direction length of housing 22.And the external diameter of discoid board 42 is set at slightly littler than the internal diameter of the main part 34 of guiding parts 32.
The operator keeps the base end side part of the tabular handle portion 40 of this press tool 28 with hand, to be inserted into columned hollow-fibre membranes (cylinder) 8 in the housing 22 with the board 42 of front end and be pressed into deep to the inner space of housing 22, make the end unanimity (Figure 10) of columned hollow-fibre membrane.
Then, will be in the bottom discharge pipe 44 of the resin bottle (liquid resin accumulates container) 46 of integrally formed discharge pipe 44 be inserted into the spatial portion (Figure 11) of the central tube 28 at the center that is involved in columned hollow-fibre membrane (cylinder) 8, in resin bottle 46, fill the fixedly liquid resin R of usefulness then.
Use resin as fixing, can use epoxy resin, unsaturated polyester resin, polyurethane resin, silicone-based packing material, various thermoplastic resins etc., can suitably select.And the fixing viscosity with resin before solidifying also is not particularly limited preferred 500～5000mPas, the more preferably scope of 2000～3000mPas.
If fixing viscosity with resin is lower than 500mPas, then might fix with resin flows becomes the reason of stopping up this open end to the inside of hollow-fibre membrane 4.If fixing viscosity with resin surpasses 5000mPas, then be difficult to be impregnated between the hollow-fibre membrane 4, therefore bad.
Then, with the bottom surface side of housing 22 toward the outer side and openend 22a side towards the configuration of inboard, utilize centrifuge etc. to make housing 22 rotations and apply centrifugal force.
By this centrifugal force, liquid resin accumulate in the container 46 liquid resin as shown by arrow C, arrive the bottom of housings 22 through central tube 28.
Then, stop centrifuge, take out housing 22 from centrifuge, make the liquid resin sclerosis of the bottom that arrives housing 22, form along the hard resin-layer 48 of the inner space of axis direction seal casinghousing 22 in the bottom of housing 22.
Utilize this hard resin-layer 48, columned hollow-fibre membrane (cylinder) 8 is fixed on the inner peripheral surface of housing 22.
At last, near the 22b of the bottom surface of housing 22, with the radially cut-out along housing 22 of columned hollow-fibre membrane (cylinder) 8 of the inside that utilizes hard resin-layer 48 and housing 22 to become one, make the openend of the hollow-fibre membrane 4 that constitutes columned hollow-fibre membrane (cylinder) 8 be exposed to the outside, finish hollow fiber film assembly 10(Fig. 5) manufacturing.
The invention is not restricted to above-mentioned embodiment, in the scope of the technological thought that claims are put down in writing, can carry out various changes, distortion.
Claims (11)
1. the manufacture method of a hollow fiber film assembly is for the manufacture method of the hollow fiber film assembly of water purifier, it is characterized in that, comprising:
It is that the strip braid of predetermined length is rolled and as the cylindrical step of hollow-fibre membrane that hollow-fibre membrane will be arranged;
Guiding parts is inserted into the step of the housing of round-ended cylinder shape, and wherein said guiding parts has cylindrical body, and described housing is the housing that the round-ended cylinder shape is arranged of one end opening, and an end of described cylindrical body is inserted into the openend of described housing; And
The cylinder of described hollow-fibre membrane is inserted into step in the described housing along described guiding parts.
2. the manufacture method of hollow fiber film assembly according to claim 1 is characterized in that,
Described guiding parts has the flange part on the end that is located at described cylindrical body.
3. the manufacture method of hollow fiber film assembly according to claim 1 is characterized in that,
It is shaped as taper the described cylindrical body of described guiding parts.
4. the manufacture method of hollow fiber film assembly according to claim 3 is characterized in that,
Its tapering of described cylindrical body has 30 °～85 ° angle with respect to the plane vertical with cylinder center's axle of described cylindrical body.
5. according to the manufacture method of claim 3 or 4 described hollow fiber film assemblies, it is characterized in that,
Comprise that utilization is provided with the press tool of board at front end, is pressed into the cylinder that is inserted into the hollow-fibre membrane in the described housing the step in the deep of described housing.
6. the manufacture method of hollow fiber film assembly according to claim 5 is characterized in that,
The cylinder of described hollow-fibre membrane is to roll described strip braid to form centered by the central tube of tubulose.
7. the manufacture method of hollow fiber film assembly according to claim 6 is characterized in that,
Comprise: the step that resin bottle is installed in the upper end of described central tube; And
Filling liquid resin in resin bottle passes through the bottom that described central tube is transported to described housing with this liquid resin, the cylinder of fixing described hollow-fibre membrane and the step of described housing.
8. a guiding parts is the guiding parts for the manufacture method of each described hollow fiber film assembly of claim 1～7,
It is characterized in that having cylindrical body.
9. guiding parts according to claim 8 is characterized in that,
Described guiding parts has the flange part on the end that is located at described cylindrical body.
10. guiding parts according to claim 8 is characterized in that,
It is shaped as taper the described cylindrical body of described guiding parts.
11. guiding parts according to claim 10 is characterized in that,
Its tapering of described cylindrical body has 30 °～85 ° angle with respect to the plane vertical with cylinder center's axle of described cylindrical body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012022134A JP2013158687A (en) | 2012-02-03 | 2012-02-03 | Method for manufacturing hollow fiber membrane module, and guide member |
| JP2012-022134 | 2012-02-03 |
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| CN103239996A true CN103239996A (en) | 2013-08-14 |
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| CN2013100441457A Pending CN103239996A (en) | 2012-02-03 | 2013-02-04 | Method for manufacturing hollow fiber membrane module and guide member |
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| CN (1) | CN103239996A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082104A (en) * | 1983-10-12 | 1985-05-10 | Toray Ind Inc | Manufacture of hollow yarn type membrane separator |
| JP2004202402A (en) * | 2002-12-26 | 2004-07-22 | Mitsubishi Rayon Co Ltd | Method for manufacturing hollow fiber membrane module and apparatus for opening bundle of hollow fiber membrane |
| JP2004216285A (en) * | 2003-01-15 | 2004-08-05 | Mitsubishi Rayon Co Ltd | Method for producing liquid resin pooling vessel and hollow fiber membrane cartridge |
| CN2712872Y (en) * | 2004-07-16 | 2005-07-27 | 王京 | Bobbin |
| CN201866431U (en) * | 2010-11-19 | 2011-06-15 | 营口辽河机械管件有限公司 | Concentric reducer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63242307A (en) * | 1987-03-30 | 1988-10-07 | Teijin Ltd | Loading of hollow filament bundle |
| JP3218742B2 (en) * | 1992-10-14 | 2001-10-15 | ニプロ株式会社 | Device and method for loading hollow fiber bundle |
| JP2964848B2 (en) * | 1993-07-26 | 1999-10-18 | 東レ株式会社 | Yarn bundle loading method |
| JP3239693B2 (en) * | 1995-06-15 | 2001-12-17 | 東レ株式会社 | Yarn bundle loading method and apparatus |
-
2012
- 2012-02-03 JP JP2012022134A patent/JP2013158687A/en active Pending
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2013
- 2013-02-04 CN CN2013100441457A patent/CN103239996A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082104A (en) * | 1983-10-12 | 1985-05-10 | Toray Ind Inc | Manufacture of hollow yarn type membrane separator |
| JP2004202402A (en) * | 2002-12-26 | 2004-07-22 | Mitsubishi Rayon Co Ltd | Method for manufacturing hollow fiber membrane module and apparatus for opening bundle of hollow fiber membrane |
| JP2004216285A (en) * | 2003-01-15 | 2004-08-05 | Mitsubishi Rayon Co Ltd | Method for producing liquid resin pooling vessel and hollow fiber membrane cartridge |
| CN2712872Y (en) * | 2004-07-16 | 2005-07-27 | 王京 | Bobbin |
| CN201866431U (en) * | 2010-11-19 | 2011-06-15 | 营口辽河机械管件有限公司 | Concentric reducer |
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| JP2013158687A (en) | 2013-08-19 |
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Application publication date: 20130814 |
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