CN203803382U - Serial connection type cross flow membrane filter assembly - Google Patents
Serial connection type cross flow membrane filter assembly Download PDFInfo
- Publication number
- CN203803382U CN203803382U CN201420198377.8U CN201420198377U CN203803382U CN 203803382 U CN203803382 U CN 203803382U CN 201420198377 U CN201420198377 U CN 201420198377U CN 203803382 U CN203803382 U CN 203803382U
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- Prior art keywords
- hollow fiber
- tandem
- hollow
- pressure vessel
- fiber membrane
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Abstract
The utility model relates to water treatment equipment and particularly relates to a serial connection type cross flow membrane filter assembly. The serial connection type cross flow membrane filter assembly is composed of at least two cross flow hollow fiber membrane devices, wherein each cross flow hollow fiber membrane device comprises a pressure container which is of a tubular structure, a hollow fiber membrane arranged inside the pressure container, and liquid inlet and outlet ends arranged at two ends of the pressure container; the liquid inlet end of each hollow fiber membrane device is provided with a water distributor, water distribution holes of the water distributor are arranged into a ring, the pore diameters of the water distribution holes are increased with the increase of the distance between the water distribution holes and the liquid inlet end; and an arc-shaped baffle plate which is provided with a hole and used for protecting the hollow fiber membrane is arranged between the liquid inlet end and the pressure container. According to the serial connection type cross flow membrane filter assembly, the cross flow hollow fiber membrane devices are connected in series to form the cross flow membrane filter assembly, so that high-quality effulent can be obtained; due to adoption of the combination of the water distributors and the arc-shaped baffle plates with a hole, the water inlet pressure can be adjusted so that the water is uniformly distributed, hollow fiber membrane filaments are protected, and the filtering effect is improved.
Description
Technical field
The utility model relates to a kind of water treatment facilities, relates in particular to a kind of tandem crossflow membrane filtration assembly.
Background technology
The general principle of cross-flow filtration is, makes not filtrate in membrane component, do high-speed circulating flow with circulating pump.Part liquid becomes clear filtrate through face micropore discharges, and the suspension that is greater than face micropore is trapped within film surface and forms cake layer.The shearing force that filtrate high velocity stream does not produce in the time of face, takes away the suspension being attached on face, makes cake layer attenuation, prevents the obstruction of membrane component.The concentrate forming when filtration is pooled to not in filtrate, in membrane component, circulates.
CN103638818A (2014-3-19) discloses spiral crossflow membrane filtration device and method at a kind of intermittence, but this device water distribution is even not, and filter effect haves much room for improvement.
Utility model content
The purpose of this utility model be to provide a kind of water distribution evenly, the tandem crossflow membrane filtration assembly of good filtration effect.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs:
A kind of tandem crossflow membrane filtration assembly, it forms by least plural cross-flow hollow fiber membrane device series connection;
Described cross-flow hollow fiber membrane device comprise tubular structure pressure vessel, be arranged at the hollow-fibre membrane of pressure vessel inside and be arranged at the liquid in-out end at pressure vessel two ends;
The liquid feeding end of described hollow fiber membrane device is provided with water-locator, and the water distributing pore of described water-locator arranges ringwise and the aperture of described water distributing pore increases with the distance of itself and liquid feeding end;
Between described liquid feeding end and described pressure vessel, be provided with the arched baffle plate with holes for the protection of hollow-fibre membrane.
The utility model adopts in-line cross-flow hollow fiber membrane device series connection formation crossflow membrane filtration assembly can obtain the water outlet of high-quality, can be according to diameter or the pore size of the hollow-fibre membrane in the different pressures container of different occasions configuration plural serial stages; Adopt the pressure vessel of elongated tubular, be convenient to placement and the replacing of hollow fiber film thread, simultaneously because pressure vessel is vertically placed, effectively reduced floor space; Being used in combination and can regulating intake pressure of water-locator and arched baffle plate with holes, makes water distribution even, protection hollow fiber film thread, and improve filter effect.
Membrane module is in the time of operation, and pending former water enters inside through liquid feeding end and filters, and water inlet has circular opening to flow out from liquid outlet by baffle plate, in the time that operating pressure increases, is unlikely to damage the pliability of film, thereby plays the effect of diaphragm silk.In the time carrying out backwash, backwash current are evenly distributed and enter the putamina inside of filling film silk by the circular opening on baffle plate, thereby reduce the damage that causes film because of hydraulic pressure.
As preferably, described arched baffle plate is connected with described liquid in-out end by joint.
As preferably, the cylindrical structure of described pressure vessel, two ends are provided with the hemispherical end cap of hollow, and liquid feeding end covers stoste import and backwash liquor outlet is set, and outlet end covers and dope outlet is set and sees through liquid outlet.
As preferably, the cylindrical structure of described pressure vessel, two ends are provided with the hemispherical end cap of hollow, and liquid feeding end covers and stoste import is set and sees through liquid outlet, and outlet end covers and dope outlet is set and sees through liquid outlet.
As preferably, the structure that described end cap is integrated, upper end cover is identical with the structure of bottom end cover, and described arched baffle plate is arranged on the junction of pressure vessel and end cap.
As preferably, described hollow-fibre membrane is uniformly distributed in described pressure vessel inside.
As preferably, the plan structure of described arched baffle plate is the closing waist type rectangle that two ends length is large, intermediate length is little, on described arched baffle plate with the aperture in gear hole diminish gradually from both ends to the middle and distribution density becomes large gradually.
The utility model structure can further increase the protective effect to film silk.
As preferably, the inside diameter ranges of described hollow-fibre membrane is 4-25mm.
As preferably, described liquid feeding end is connected with booster pump, and the hollow fiber membrane device of described series connection has 8-12.
As preferably, the outlet end of described hollow-fibre membrane is provided with for fixing described hollow-fibre membrane and prevents from filtering the film lattice support member in dead band.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model tandem crossflow membrane filtration assembly;
Fig. 2 is the structural representation of water-locator;
Fig. 3 is the liquid feeding end schematic diagram of the utility model hollow fiber membrane device
Fig. 4 is the utility model arched baffle plate front view;
Fig. 5 is the utility model arched baffle plate top view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1,2,3,4 and 5, tandem crossflow membrane filtration assembly, it forms by least plural cross-flow hollow fiber membrane device 1 series connection; Cross-flow hollow fiber membrane device 1 comprise tubular structure pressure vessel 10, be arranged at the hollow-fibre membrane 11 of pressure vessel 10 inside and be arranged at the liquid in-out end at pressure vessel 10 two ends; The liquid feeding end 12 of hollow fiber membrane device 1 is provided with water-locator 13, and the water distributing pore 131 of water-locator 13 arranges ringwise and the aperture of water distributing pore increases with the distance of itself and liquid feeding end 12; Between liquid feeding end 12 and pressure vessel 10, be provided with the arched baffle plate with holes 14 for the protection of hollow-fibre membrane 11.Consider from the double angle of water distribution angle and the protection of film silk, hollow-fibre membrane 11 is uniformly distributed in pressure vessel 10 inside.From the viewpoint of film silk intensity, selecting the inside diameter ranges of hollow-fibre membrane 11 is 4-25mm.
Arched baffle plate 14 is connected with liquid in-out end by joint.Joint can be with holes, from the viewpoint of water distribution, can be designed to flexible strip.
Hollow fiber membrane device 1 can be that single head produces water: the cylindrical structure of pressure vessel 10, and two ends are provided with the hemispherical end cap 101 of hollow, and liquid feeding end covers stoste import and backwash liquor outlet is set, and outlet end covers and dope outlet is set and sees through liquid outlet.
Hollow fiber membrane device 1 also can be produced water in two: the cylindrical structure of pressure vessel 10, and two ends are provided with the hemispherical end cap 101 of hollow, and liquid feeding end covers and stoste import is set and sees through liquid outlet, and outlet end covers and dope outlet is set and sees through liquid outlet.The structure that end cap 101 is integrated, upper end cover is identical with the structure of bottom end cover, and arched baffle plate 14 is arranged on the junction of pressure vessel and end cap.
The plan structure of arched baffle plate 14 is the closing waist type rectangular body that two ends length is large, intermediate length is little, on arched baffle plate 14 with the aperture in gear hole 141 diminish gradually from both ends to the middle and distribution density becomes large gradually.
In order to facilitate actual motion and to improve water treatment effect, liquid feeding end 12 is connected with booster pump, and the hollow fiber membrane device 1 of series connection has 8-12.
For fixing hollow-fibre membrane and preventing from filtering dead band, the film lattice support member arranging at the outlet end 15 of hollow-fibre membrane 11, preferably arranges 6 film lattice support members.
Change angle consideration from control angle and convenient for maintaining, valve can be set separately in different hollow fiber membrane device 1, and by the total valve control of liquid in-out end.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Claims (10)
1. a tandem crossflow membrane filtration assembly, is characterized in that:
Form by least plural cross-flow hollow fiber membrane device (1) series connection;
Described cross-flow hollow fiber membrane device (1) comprise tubular structure pressure vessel (10), be arranged at the inner hollow-fibre membrane (11) of pressure vessel (10) and be arranged at the liquid in-out end at pressure vessel (10) two ends;
The liquid feeding end (12) of described hollow fiber membrane device (1) is provided with water-locator (13), and the water distributing pore (131) of described water-locator (13) arranges ringwise and the aperture of described water distributing pore increases with the distance of itself and liquid feeding end (12);
Between described liquid feeding end (12) and described pressure vessel (10), be provided with the arched baffle plate with holes (14) for the protection of hollow-fibre membrane (11).
2. a kind of tandem crossflow membrane filtration assembly according to claim 1, is characterized in that: described arched baffle plate (14) is connected with described liquid in-out end by joint.
3. a kind of tandem crossflow membrane filtration assembly according to claim 2, it is characterized in that: the cylindrical structure of described pressure vessel (10), two ends are provided with the hemispherical end cap (101) of hollow, liquid feeding end covers stoste import and backwash liquor outlet is set, and outlet end covers and dope outlet is set and sees through liquid outlet.
4. a kind of tandem crossflow membrane filtration assembly according to claim 2, it is characterized in that: the cylindrical structure of described pressure vessel (10), two ends are provided with the hemispherical end cap (101) of hollow, liquid feeding end covers and stoste import is set and sees through liquid outlet, and outlet end covers and dope outlet is set and sees through liquid outlet.
5. according to a kind of tandem crossflow membrane filtration assembly described in claim 3 or 4, it is characterized in that: the integrated structure of described end cap (101), upper end cover is identical with the structure of bottom end cover, and described arched baffle plate (14) is arranged on the junction of pressure vessel and end cap.
6. a kind of tandem crossflow membrane filtration assembly according to claim 5, is characterized in that: described hollow-fibre membrane (11) is uniformly distributed in described pressure vessel (10) inside.
7. a kind of tandem crossflow membrane filtration assembly according to claim 6, it is characterized in that: the plan structure of described arched baffle plate (14) is the closing waist type rectangular body that two ends length is large, intermediate length is little, described arched baffle plate (14) upper with the aperture in gear hole (141) diminish gradually from both ends to the middle and distribution density becomes large gradually.
8. a kind of tandem crossflow membrane filtration assembly according to claim 7, is characterized in that: the inside diameter ranges of described hollow-fibre membrane (11) is 4-25mm.
9. a kind of tandem crossflow membrane filtration assembly according to claim 8, is characterized in that: described liquid feeding end (12) is connected with booster pump, and the hollow fiber membrane device (1) of described series connection has 8-12.
10. a kind of tandem crossflow membrane filtration assembly according to claim 9, is characterized in that: the outlet end (15) of described hollow-fibre membrane (11) is provided with for fixing described hollow-fibre membrane and prevents from filtering the film lattice support member in dead band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198377.8U CN203803382U (en) | 2014-04-23 | 2014-04-23 | Serial connection type cross flow membrane filter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198377.8U CN203803382U (en) | 2014-04-23 | 2014-04-23 | Serial connection type cross flow membrane filter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203803382U true CN203803382U (en) | 2014-09-03 |
Family
ID=51442194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420198377.8U Expired - Fee Related CN203803382U (en) | 2014-04-23 | 2014-04-23 | Serial connection type cross flow membrane filter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203803382U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933863A (en) * | 2014-04-23 | 2014-07-23 | 湖州森蓝环境工程有限公司 | Serial cross-flow membrane filtration assembly |
| CN104383814A (en) * | 2014-10-24 | 2015-03-04 | 苏州富奇诺水治理设备有限公司 | Horizontally transversely placed double-roll mixed-flow type water filtering film component |
| CN107661695A (en) * | 2017-11-21 | 2018-02-06 | 宜兴市中发水处理环保设备有限公司 | A kind of nano filter membrance device |
| CN112516802A (en) * | 2020-10-30 | 2021-03-19 | 宁波方太厨具有限公司 | Hollow fiber membrane element and method for producing same |
-
2014
- 2014-04-23 CN CN201420198377.8U patent/CN203803382U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933863A (en) * | 2014-04-23 | 2014-07-23 | 湖州森蓝环境工程有限公司 | Serial cross-flow membrane filtration assembly |
| CN104383814A (en) * | 2014-10-24 | 2015-03-04 | 苏州富奇诺水治理设备有限公司 | Horizontally transversely placed double-roll mixed-flow type water filtering film component |
| CN107661695A (en) * | 2017-11-21 | 2018-02-06 | 宜兴市中发水处理环保设备有限公司 | A kind of nano filter membrance device |
| CN112516802A (en) * | 2020-10-30 | 2021-03-19 | 宁波方太厨具有限公司 | Hollow fiber membrane element and method for producing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180423 |