CN204170625U - Polysulfone hollow fiber ultrafiltration membrane system pouring device - Google Patents
Polysulfone hollow fiber ultrafiltration membrane system pouring device Download PDFInfo
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- CN204170625U CN204170625U CN201420665679.1U CN201420665679U CN204170625U CN 204170625 U CN204170625 U CN 204170625U CN 201420665679 U CN201420665679 U CN 201420665679U CN 204170625 U CN204170625 U CN 204170625U
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- end mould
- hollow fiber
- putamina
- liquid feeding
- membrane module
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Abstract
The utility model discloses a kind of polysulfone hollow fiber ultrafiltration membrane system pouring device.Film tow, the membrane module of central tube and retainer composition is placed in putamina, film tow is fixed on retainer, central tube is evenly equipped with multiple inlet opening vertically, the two ends of putamina connect outlet end mould and liquid feeding end mould respectively, outlet end mould and liquid feeding end mould are equipped with a glue inlet tube interface, the inner face of outlet end mould is provided with column type groove, it is taper seat that the inner face of liquid feeding end mould is provided with sidewall, bottom surface is the coniform groove of smaller diameter end, the inlet opening at central tube two ends is connected with secondary glue inlet tube, be connected with U-shaped between liquid feeding end mould and end body to press from both sides.During spun casting, film tow is stopped by the taper seat of the coniform groove of liquid feeding end mould, and spacing is left all the time in the termination of film silk and the bottom surface of coniform groove, and epoxy resin can by completely closed for the film silk hole of the blind end of film tow, the membrane module finally obtained easily reaches requirement, and yield rate is high.
Description
Technical field
The utility model relates to technical field of membrane separation, particularly relates to a kind of polysulfone hollow fiber ultrafiltration membrane system pouring device.
Background technology
Membrane separation technique is a kind ofly widely used in liquid or gas separaion, purification or concentrated new and high technology.Hollow-fibre membrane because its specific area is large, loading density is high, technique is simple, without supporting layer therefore can reverse cleaning and the feature such as production cost is low, becomes the important branch in membrane separation technique, is widely used in chemical industry, environmental protection and medicine and other fields.
Common is that the membrane module that core is formed can be divided into pressure type membrane module and immersed membranes assembly by filtration system structure difference with hollow fiber film thread.Rely on the pressure official post liquid to be filtered of both sides inside and outside hollow fiber film thread during filtration inside hollow fiber film thread or outside infiltrates into outside it or inner side reaches the object of separation; Difference according to filtering direction can be divided into again interior press mold assembly and external-pressing film assembly.Wherein, external-pressing film assembly is as the external-pressing film assembly of post type, it is the membrane module that many hollow fiber film threads are flocked together, with epoxide-resin glue sealing membrane modules two ends, membrane module two ends are sealed respectively fixing with putamina housing epoxide-resin glue, hollow fiber film thread is dispersed in epoxide-resin glue, and allows pipe in hollow fiber film thread one end keep closing, and in another terminal membrane silk, the maintenance of pipe is unimpeded.In film silk duct occlusion one end (also known as, liquid feeding end, dead end or plug end), gap between hollow fiber film thread and the inner chamber of hollow fiber film thread are by resin-blocked, usually shaped vias is had in this plug end of membrane module, play gas-liquid distribution input port, further, these through holes are all in sealing process, rely on the through hole axle on mould to loose core shaping.In film silk, pipe keeps unimpeded one end (also known as openend, outlet end), gap between hollow fiber film thread is by resin-blocked, the inner chamber of hollow fiber film thread communicates with outside, formed and produce aquaporin, in order to make pipe in the film silk of openend keep unimpeded, common way is, after having cast, waiting for that sealant solidifies completely, the unnecessary sealing resin this end being exceeded putamina shell end is cut flat together with part hollow tunica fibrosa silk, and exposed fiber film silk hole makes hollow-fibre membrane openend unimpeded.
Hollow fiber ultrafiltration membrane is a permeation unit with membrane module usually, and membrane module is that the hollow fiber film thread be made up of thousands of high molecular polymers is assembled in a putamina, and in putamina, the two ends of film tow are solidificated in putamina by casting epoxy resin.The making of membrane module first Ultrafiltration membrane bundle is put on the film bundle retainer with central tube, after tying up, two ends trimmed and load in putamina, make milipore filter film bundle in being axially disposed within putamina, then end-sealing die is installed, and casting epoxy resin is by the end-enclosed between each film bundle, by needing the end cut in exposed fiber film silk hole neat after closing, expose the port in film silk hole.The casting quality of membrane module affects great on the ultrafiltration performance of permeation unit and efficiency, bubble-free in colloid is required in casting cycle, do not occur that mechanical sex pilus damages, or the phenomenon of silk is burnt because of epoxy resin temperature too high (epoxy resin and curing agent are because of cross-linking reaction heat release), epoxy resin should trickle evenly, fills up substantial each casting position.
Conventional horizontal rotary pouring device operating process is: be disposed across inside casting machine after the putamina two ends that film silk is housed install mould additional, drive putamina High Rotation Speed, slowly enter glue simultaneously from putamina two ends glue-feeder by casting machine; Under the influence of centrifugal force, solation, to putamina two ends die surface, solidifies, shaping.The method limit rotates, while enter glue, the colloid of injection is constantly pushed to the two ends of putamina, easily be driven out of by bubble under centrifugal action, and rotary course can drive air to flow, and is conducive to the cooling of glue, can prevent from burning silk phenomenon.But its shortcoming is also obvious: after the putamina two ends that film silk is housed install mould additional, leave rational gap between the blind end of film tow and mould, with epoxy resin filling, the two ends of film tow are solidificated in putamina by casting epoxy resin.Because film tow its length direction in putamina does not retrain, be disposed across inside casting machine after installing the putamina two ends that film tow is housed additional mould, when driving putamina High Rotation Speed to carry out epoxy resin casting by casting machine, one end of putamina is easily partial to by film tow, even there is film tow blind end and mould gapless in extreme situation, and preset clearance is all at the other end, cause epoxy resin can not by completely closed for the film silk hole of the blind end of film tow, the membrane module finally obtained requires because not reaching and scraps.
Up to now, the glue sealing method of the hollow fiber film assembly that a kind of make efficiency is high, sealing fraction defective is low, simple to operate and the sealing pouring device of membrane module are not yet developed in this area.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of polysulfone hollow fiber ultrafiltration membrane system pouring device, can improve the casting quality of membrane module, reduce costs, enhance productivity, reduce sealing fraction defective and simple to operate.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of polysulfone hollow fiber ultrafiltration membrane system pouring device, comprise membrane module and putamina, membrane module is placed in putamina, the two ends of putamina connect outlet end mould and liquid feeding end mould respectively, outlet end mould and liquid feeding end mould are equipped with a glue inlet tube interface, membrane module comprises film tow, central tube and retainer, film tow is fixed on retainer, central tube is evenly equipped with multiple inlet opening vertically, it is characterized in that: the inner face of described outlet end mould is provided with column type groove, one end of described membrane module is placed in described column type groove, described column type groove diameter is slightly larger than the external diameter of described membrane module, a described glue inlet tube interface is arranged at the bottom of column type groove, the inner face of described liquid feeding end mould is provided with the coniform groove that sidewall is taper seat, bottom surface is smaller diameter end, the diameter of the larger diameter end of described coniform groove is slightly larger than the external diameter of described membrane module, the other end of described membrane module is placed in described coniform groove, and a described glue inlet tube interface is arranged at the bottom of coniform groove.
In technique scheme, the bottom of described column type groove is provided with the center pipe axle A corresponding with described central tube; The bottom of coniform groove is also provided with the center pipe axle B corresponding with described central tube; The bottom of coniform groove is also provided with circumferentially uniform through hole axle;
In technique scheme, described center pipe axle A, center pipe axle B, through hole axle are round table-like, and center pipe axle A, center pipe axle B are provided with centre bore.
In technique scheme, the inlet opening being positioned at described central tube two ends is connected with secondary glue inlet tube, secondary glue inlet tube is in central tube and stretched out by the centre bore of center pipe axle A or center pipe axle B.
In technique scheme, described retainer at least two centrally uniform, the one end of pipe circumference be connected to radial fin on central tube.
In technique scheme, described fin is 6.
In technique scheme, the two ends of described putamina are equipped with end body, and end body is provided with cannelure, be connected with U-shaped and press from both sides between described outlet end mould and end body, be connected with U-shaped and press from both sides between described liquid feeding end mould and end body.
Adopt above-mentioned pouring device to pour into a mould the method for polysulfone hollow fiber ultrafiltration membrane system, specifically comprise the steps:
(1), by hollow fiber film thread make tow, then tow to be put in the retainer of central tube is tied up fixing, obtain membrane module;
(2) putamina, is made to lie low placement, membrane module is filled in this putamina, the length of tow is greater than the length of putamina, the degree of depth according to outlet end mold cylinder type groove, the coniform groove of liquid feeding end mould trims the film silk at two ends, when ensureing that outlet end mould and liquid feeding end mould close, one end of film silk touches the bottom of outlet end mold cylinder type groove just, the other end touches on the taper seat of the coniform groove of liquid feeding end mould just, makes the termination of the film silk of this end and the bottom surface of coniform groove leave spacing;
(3) ABS glue/quick easily dry type acrylic resin, is used to carry out termination process to the both ends of the surface of hollow fiber film thread, make the whole shutoff of fenestra of the film silk of both ends of the surface; With U-shaped folder, outlet end mould and liquid feeding end mould are fixed on the both ends of the surface of putamina, tighten the connecting bolt on U-shaped folder, loaded in centrifugal casting device also fixing;
(4), in agitator tank, epoxy resin and amine curing agent is thrown in, open agitating device, make each component disperses of adhesive even, heat 10 ~ 25 minutes under 20 ~ 25 DEG C of conditions, to be mixed complete after unlatching vacuum defoaming device until bubble collapse, be made into that once to enter glue glue for subsequent use;
(5), first time enters glue: the glue inlet tube adding glue machine or casting pot and described outlet end mould are connected with the glue inlet tube interface that liquid feeding end mould is arranged, to once enter glue glue by adding glue machine or casting pot joins in putamina from the end of putamina, enter glue complete, start centrifugal casting device, spun casting is carried out to membrane module, rotating speed is 100 turns/min ~ 120 turn/min, the spun casting time is 5 ~ 8h, complete, check the situation of casting;
(6), by polyurethane and acid anhydride type curing agent mix under 20 ~ 25 DEG C of conditions, stir 10-15min, be made into flexible glue glue;
(7), second time enters glue: join putamina in from the secondary glue inlet tube of putamina termination by flexible glue in the mode identical with step (5) by flexible glue glue, enter glue and start centrifugal casting device simultaneously, spun casting is carried out to membrane module, rotating speed is 100 turns/min ~ 120 turn/min, the spun casting time is 3 ~ 5h, complete, membrane module is taken out from centrifuge;
(8), by the mould at putamina two ends take off, and unnecessary sealing resin outlet end being exceeded putamina shell end is cut flat together with part hollow tunica fibrosa silk, exposed fiber film silk hole, makes hollow-fibre membrane openend unimpeded, makes the outlet end of membrane module;
Preferably, in step (3), the end-blocking glue of use is normal temperature cured type glue.
Preferably, in step (4), described adhesive is formed by epoxy resin, contracting amine curing agent and mixing diluents, wherein, epoxy resin is 100:30 ~ 35 with the weight ratio of contracting amine curing agent, and the addition of described diluent accounts for 2% ~ 5% of adhesive gross weight.
Preferably, described diluent is response type Small molecular epoxy resin.
Preferably, described diluent can also be non-reacted benzoic acid.
Preferably, in step (6), the weight ratio of polyurethane and acid anhydride type curing agent is 100:10 ~ 15.
Adopt polysulfone hollow fiber ultrafiltration membrane system pouring device of the present utility model and casting method; to cast again one deck flexible glue after casting ebonite; flexible glue by centrifugal action trickling evenly; penetrate into film silk gap location; film silk root is protected, and avoids fracture of wire, and the bubble in glue-line is easy to discharge; good airproof performance between glue and film silk, avoids colloid to ftracture.
The inner face of the utility model liquid feeding end mould is provided with the coniform groove that sidewall is taper seat, bottom surface is smaller diameter end, the diameter of the larger diameter end of coniform groove is slightly larger than the external diameter of described membrane module, after the putamina two ends that film silk is housed install mould additional, the end of film silk touches on the taper seat of the coniform groove of liquid feeding end mould just, makes the termination of the film silk of this end and the bottom surface of coniform groove leave spacing; Because film tow its length direction in putamina suffers restraints, be disposed across inside casting machine after installing the putamina two ends that film tow is housed additional mould, when driving putamina High Rotation Speed to carry out epoxy resin casting by casting machine, film tow is stopped by the taper seat of the coniform groove of liquid feeding end mould, spacing is left all the time in the termination of film silk and the bottom surface of coniform groove, epoxy resin can by completely closed for the film silk hole of the blind end of film tow, and the membrane module finally obtained easily reaches requirement, and yield rate is high.
To sum up, the beneficial effects of the utility model are:
1, during casting, spacing is left all the time in the termination of film silk and the bottom surface of liquid feeding end mold groove, and epoxy resin can by completely closed for the film silk hole of the blind end of film tow, and the membrane module finally obtained easily reaches requirement, and yield rate is high;
2, adopt mould of the present utility model, simple operation, be easy to accomplish scale production, the casting quality of membrane module can be improved, reduce costs, enhance productivity, reduce sealing fraction defective and simple to operate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of polysulfone hollow fiber ultrafiltration membrane system.
Fig. 2 is the schematic front view of polysulfone hollow fiber ultrafiltration membrane system central tube and retainer.
Fig. 3 is the schematic top plan view of polysulfone hollow fiber ultrafiltration membrane system central tube and retainer.
Fig. 4 is the schematic diagram of polysulfone hollow fiber ultrafiltration membrane system liquid feeding end.
Fig. 5 is the schematic front view of the utility model polysulfone hollow fiber ultrafiltration membrane system pouring device.
Fig. 6 is the schematic front view of the liquid feeding end mould of the utility model polysulfone hollow fiber ultrafiltration membrane system pouring device.
Fig. 7 is that schematic diagram is looked on the right side of the liquid feeding end mould of the utility model polysulfone hollow fiber ultrafiltration membrane system pouring device.
In figure: 1-water inlet, 2-air inlet, 3-low head, 4-air admission hole, 5-liquid feeding end, 6-film tow, 7-putamina, 8-central tube, 9-inlet opening, 10-outlet end, 11-produces the mouth of a river, 12-upper cover, 13-concentrated water discharge mouth, 14-bis-glue inlet tubes, 15-retainer, 16-glue, 17-bis-glue, 18-glue inlet tube interface, 19-liquid feeding end mould, 20-outlet end mould, 21-through hole axle, 22-center pipe axle B, 23-centre bore, 24-taper seat, 25-holds body, 26-cannelure, and 27-U-shaped presss from both sides.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described further below by non-limiting embodiment.
See Fig. 5 to Fig. 7, a kind of polysulfone hollow fiber ultrafiltration membrane system pouring device, comprise membrane module and putamina 7, membrane module is placed in putamina 7, the two ends of putamina 7 connect outlet end mould 20 and liquid feeding end mould 19 respectively, the two ends of putamina 7 are equipped with end body 25, end body 25 is provided with cannelure 26, be connected with U-shaped between outlet end mould 20 and end body 25 and press from both sides 27, also be connected with U-shaped and press from both sides 27 between liquid feeding end mould 19 and end body 25, one end of U-shaped folder 27 be connected to hold in the cannelure 26 on body 25, the other end is connected on the end face of outlet end mould 20 or liquid feeding end mould 19; Outlet end mould 20 and liquid feeding end mould 19 are equipped with a glue inlet tube interface 18, membrane module comprises film tow 6, central tube 8 and retainer 15, film tow 6 is fixed on retainer 15, central tube 8 is evenly equipped with vertically multiple inlet opening 9, the inner face of described outlet end mould 20 is provided with column type groove, one end of described membrane module is placed in described column type groove, described column type groove diameter is slightly larger than the external diameter of described membrane module, and a described glue inlet tube interface is arranged at the bottom of column type groove; The inner face of described liquid feeding end mould 19 is provided with the coniform groove that sidewall is taper seat 24, bottom surface is smaller diameter end, the diameter of the larger diameter end of described coniform groove is slightly larger than the external diameter of described membrane module, the other end of described membrane module is placed in described coniform groove, and a described glue inlet tube interface 18 is arranged at the bottom of coniform groove.The bottom of described column type groove is provided with the center pipe axle A corresponding with described central tube; The bottom of coniform groove is also provided with the center pipe axle B22 corresponding with described central tube; The bottom of coniform groove is also provided with circumferentially uniform through hole axle 21;
Described center pipe axle A, center pipe axle B22, through hole axle 21 are in round table-like, and center pipe axle A, center pipe axle B22 are provided with centre bore 23.
The inlet opening 9 being positioned at described central tube 8 two ends is connected with secondary glue inlet tube 14, and secondary glue inlet tube 14 is in central tube 8 and stretched out by the centre bore 23 of center pipe axle A or center pipe axle B21.
Described retainer 15 be 6 centrally uniform, the one end of pipe 8 circumference be connected to radial fin on central tube 8.
Adopt above-mentioned pouring device to pour into a mould the method for polysulfone hollow fiber ultrafiltration membrane system, specifically comprise the steps:
(1), by hollow fiber film thread make tow, then tow to be put in the retainer of central tube is tied up fixing, obtain membrane module;
(2) putamina, is made to lie low placement, membrane module is filled in this putamina, the length of tow is greater than the length of putamina, the degree of depth according to outlet end mold cylinder type groove, the coniform groove of liquid feeding end mould trims the film silk at two ends, when ensureing that outlet end mould and liquid feeding end mould close, one end of film silk touches the bottom of outlet end mold cylinder type groove just, the other end touches on the taper seat of the coniform groove of liquid feeding end mould just, makes the termination of the film silk of this end and the bottom surface of coniform groove leave spacing;
(3) ABS glue/quick easily dry type acrylic resin, is used to carry out termination process to the both ends of the surface of hollow fiber film thread, make the whole shutoff of fenestra of the film silk of both ends of the surface; With U-shaped folder, outlet end mould and liquid feeding end mould are fixed on the both ends of the surface of putamina, tighten the connecting bolt on U-shaped folder, loaded in centrifugal casting device also fixing;
(4), in agitator tank, epoxy resin and amine curing agent is thrown in, open agitating device, make each component disperses of adhesive even, heat 10 ~ 25 minutes under 20 ~ 25 DEG C of conditions, to be mixed complete after unlatching vacuum defoaming device until bubble collapse, be made into that once to enter glue glue for subsequent use;
(5), first time enters glue: the glue inlet tube adding glue machine or casting pot and described outlet end mould are connected with the glue inlet tube interface that liquid feeding end mould is arranged, to once enter glue glue by adding glue machine or casting pot joins in putamina from the end of putamina, enter glue complete, start centrifugal casting device, spun casting is carried out to membrane module, rotating speed is 100 turns/min ~ 120 turn/min, the spun casting time is 5 ~ 8h, complete, check the situation of casting;
(6), by polyurethane and acid anhydride type curing agent mix under 20 ~ 25 DEG C of conditions, stir 10-15min, be made into flexible glue glue;
(7), second time enters glue: join putamina in from the secondary glue inlet tube of putamina termination by flexible glue in the mode identical with step (5) by flexible glue glue, enter glue and start centrifugal casting device simultaneously, spun casting is carried out to membrane module, rotating speed is 100 turns/min ~ 120 turn/min, the spun casting time is 3 ~ 5h, complete, membrane module is taken out from centrifuge;
(8), by the mould at putamina two ends take off, and unnecessary sealing resin outlet end being exceeded putamina shell end is cut flat together with part hollow tunica fibrosa silk, exposed fiber film silk hole, makes hollow-fibre membrane openend unimpeded, makes the outlet end of membrane module;
Preferably, in step (3), the end-blocking glue of use is normal temperature cured type glue.
Preferably, in step (4), described adhesive is formed by epoxy resin, contracting amine curing agent and mixing diluents, wherein, epoxy resin is 100:30 ~ 35 with the weight ratio of contracting amine curing agent, and the addition of described dilution accounts for 2% ~ 5% of adhesive gross weight.Contracting amine curing agent can select LHB-246 aromatic amine curing agent, LHB-248 curing agent.
Preferably, described diluent is response type Small molecular epoxy resin, can also be non-reacted benzoic acid.
Preferably, in step (6), the weight ratio of polyurethane and acid anhydride type curing agent is 100:10 ~ 15.Acid anhydride type curing agent can select maleic anhydride, adjacent stupid dicarboxylic acid anhydride.
Cited above embodiment is only for understanding the utility model; it is not the restriction to the technical scheme described by the utility model; the those of ordinary skill of related fields; on the basis of technical scheme described in claim; can also make multiple change or distortion, all equivalent changes or distortion all should be encompassed within claims of the present utility model.
Claims (7)
1. a polysulfone hollow fiber ultrafiltration membrane system pouring device, comprise membrane module and putamina, membrane module is placed in putamina, the two ends of putamina connect outlet end mould and liquid feeding end mould respectively, outlet end mould and liquid feeding end mould are equipped with a glue inlet tube interface, membrane module comprises film tow, central tube and retainer, film tow is fixed on retainer, central tube is evenly equipped with multiple inlet opening vertically, it is characterized in that: the inner face of described outlet end mould is provided with column type groove, one end of described membrane module is placed in described column type groove, described column type groove diameter is slightly larger than the external diameter of described membrane module, a described glue inlet tube interface is arranged at the bottom of column type groove, the inner face of described liquid feeding end mould is provided with the coniform groove that sidewall is taper seat, bottom surface is smaller diameter end, the diameter of the larger diameter end of described coniform groove is slightly larger than the external diameter of described membrane module, the other end of described membrane module is placed in described coniform groove, and a described glue inlet tube interface is arranged at the bottom of coniform groove.
2. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 1, is characterized in that: the bottom of described column type groove is provided with the center pipe axle A corresponding with described central tube; The bottom of coniform groove is also provided with the center pipe axle B corresponding with described central tube; The bottom of coniform groove is also provided with circumferentially uniform through hole axle.
3. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 2, is characterized in that: described center pipe axle A, center pipe axle B, through hole axle are round table-like, and center pipe axle A, center pipe axle B are provided with centre bore.
4. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 1, it is characterized in that: the inlet opening being positioned at described central tube two ends is connected with secondary glue inlet tube, secondary glue inlet tube is in central tube and stretched out by the centre bore of center pipe axle A or center pipe axle B.
5. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 1, is characterized in that: described retainer at least two centrally uniform, the one end of pipe circumference be connected to radial fin on central tube.
6. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 5, is characterized in that: described fin is 6.
7. polysulfone hollow fiber ultrafiltration membrane system pouring device according to claim 1, it is characterized in that: the two ends of described putamina are equipped with end body, end body is provided with cannelure, is connected with U-shaped and presss from both sides between described outlet end mould and end body, is connected with U-shaped and presss from both sides between described liquid feeding end mould and end body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665679.1U CN204170625U (en) | 2014-11-10 | 2014-11-10 | Polysulfone hollow fiber ultrafiltration membrane system pouring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420665679.1U CN204170625U (en) | 2014-11-10 | 2014-11-10 | Polysulfone hollow fiber ultrafiltration membrane system pouring device |
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| Publication Number | Publication Date |
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| CN204170625U true CN204170625U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420665679.1U Withdrawn - After Issue CN204170625U (en) | 2014-11-10 | 2014-11-10 | Polysulfone hollow fiber ultrafiltration membrane system pouring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474900A (en) * | 2014-11-10 | 2015-04-01 | 济南市水处理设备厂有限公司 | Hollow fiber ultrafiltration membrane module casting device, and casting method thereof |
| CN106268335A (en) * | 2016-08-23 | 2017-01-04 | 天津天美环保科技有限公司 | A kind of membrane module fixing device |
| CN107413197A (en) * | 2017-09-08 | 2017-12-01 | 北京中环膜材料科技有限公司 | A kind of diplopore casting process of pressure type membrane module |
-
2014
- 2014-11-10 CN CN201420665679.1U patent/CN204170625U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474900A (en) * | 2014-11-10 | 2015-04-01 | 济南市水处理设备厂有限公司 | Hollow fiber ultrafiltration membrane module casting device, and casting method thereof |
| CN106268335A (en) * | 2016-08-23 | 2017-01-04 | 天津天美环保科技有限公司 | A kind of membrane module fixing device |
| CN107413197A (en) * | 2017-09-08 | 2017-12-01 | 北京中环膜材料科技有限公司 | A kind of diplopore casting process of pressure type membrane module |
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Granted publication date: 20150225 Effective date of abandoning: 20160525 |
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