CN201896083U - Aeration external pressure type hollow fiber film component - Google Patents
Aeration external pressure type hollow fiber film component Download PDFInfo
- Publication number
- CN201896083U CN201896083U CN2010206219927U CN201020621992U CN201896083U CN 201896083 U CN201896083 U CN 201896083U CN 2010206219927 U CN2010206219927 U CN 2010206219927U CN 201020621992 U CN201020621992 U CN 201020621992U CN 201896083 U CN201896083 U CN 201896083U
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- hollow fiber
- fiber film
- pressure type
- end cover
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Abstract
The utility model relates to an aeration external pressure type hollow fiber film component, which comprises a sleeve pipe, an upper end cover, a lower end cover and a plurality of hollow fiber film yarns, wherein one ends of the plurality of hollow fiber film yarns are cast into fiber film yarn open holes, and are cast into a whole as an upper cast end, and the other ends of the plurality of hollow fiber film yarns are cast into fiber film yarn blind holes, and are dispersed to be a lower cast end; a plurality of hollow fiber film yarns, the two ends of which are casted, are mounted in the sleeve pipe and the lower end cover; a purified water outlet is formed on the upper end cover; a concentrated water outlet is formed at a distance of 10 mm to 50 mm from the upper cast end; an aeration opening is formed on the lower end cover; and a water inlet is formed at a distance of 0 mm to 100 mm from the lower cast end. The aeration external pressure type hollow fiber film component integrates the advantages of a simple internal pressure type film component, a simple external pressure type film component and a simple negative pressure type film component together, has the advantages of uniform water distribution, no dead angles, low requirement for quality of raw water and convenience in cleaning, and also can prevent the deformation and fracture of the film yarns.
Description
Technical field
The utility model relates to membrane separation technique, is specifically related to a kind of aeration external pressure type hollow fiber membrane component.
Background technology
Membrane separation technique has been widely used in water treatment, fluidic concentrating and separating, removal of impurities purification etc.For the membrane module that adapts to the existing different structure of different working conditions comes into operation: inner pressed structure, external-compression type structure, suction type structure etc.Inner pressed structural membrane assembly water distribution is even, and the film silk makes full use of, but because film silk inner chamber is less, strict to pre-treatment, dirty easily stifled.And outer membrane area is little for the inner membrance area, makes component efficiency reduce.External-compression type structural membrane assembly, its dirty stifled situation and assembly flux all are better than the inner pressed structure, but easily have the dead angle.Even the external pressure type hollow fiber membrane component of the improvement that inquires at present, the patent No. as Tianjin film sky application is the external-compression type fiber film component of announcing among the ZL01229169.2, for reducing the current dead angle that exists between silk and the silk, then must add abundant pod apertures at the following casting end of sealing of hole.This improvement has slowed down the situation at emerged in operation dead angle, but can not eliminate fully.Suction type structural membrane assembly is representative with membrane bioreactor (MBR) assembly, can comparatively use under the condition of severe in the water quality situation.The negative pressure working efficiency is lower, the accent dress cleans problems such as trouble but exist.
And known all structures, what can't avoid and solve always be the distortion and the fracture of wire problem of film silk.Owing to all be fixed up by casting in the two ends of these assemblies, in long-time running, the film silk suffers impact repeatedly, and part fracture then inevitably is stretched.No matter be the stretch shape and the variation of size of the membrane pore size that causes, the destruction of the module integrity of membrane that causes after still rupturing all will influence the stability of water quality.
Summary of the invention
The purpose of this utility model is strict such as pre-treatment in the above-mentioned prior art in order to overcome, have the operation dead angle, transfer dress to clean the deficiency of difficulty, tensile deformation and fracture, and a kind of aeration external pressure type hollow fiber membrane component is provided, pre-treatment required simply, cleans simply, does not have the operation dead angle when the utility model used, inhibition film silk stretches and fracture.
The technical scheme that its technical problem that solves the utility model adopts is:
The aeration external pressure type hollow fiber membrane component, comprise sleeve pipe, end cap up and down, some hollow-fibre membrane silks, some hollow-fibre membrane silk one ends are cast into the perforate of tunica fibrosa silk and cast in and are the top casting end together, some hollow-fibre membrane silk the other ends are cast into and are separated into down the casting end between tunica fibrosa silk closed pore and the hollow-fibre membrane silk, some hollow-fibre membrane silks of being cast in two ends are installed in sleeve pipe and the lower end cover, on upper end cover, be provided with treated water outlet, be provided with dense water out from top casting port one 0-50mm place, on lower end cover, be provided with aeration opening, under the port 0-100mm place that casts be provided with water-in.
Employing external-compression type mode is moved, because hollow-fibre membrane one casting end tunica fibrosa perforate, another casting is held adhesion between tunica fibrosa closed pore and the tunica fibrosa, disperses fully and can be freely swung.When former water enters, can enter all film silk gaps, all film silks can both make full use of, and stop the existence at dead angle fully.Owing to adopt the external-compression type operation, carry out aeration simultaneously, the film silk is subjected to the gas concussion, has alleviated absorption and the deposition of pollutent on film silk surface greatly, will require strict pretreatment technology to become simple.The system appearance similarity that the assembly of the structure of employing positive-pressure type and traditional inner pressed or external-compression type constitutes is higher, can realize on-line cleaning, need not dismounting, transfers dress.Following casting end freely disperses fully, and the film silk has certain free-moving space, and membrane module passes through swing when the film silk is subjected to impacting in operational process this impact is offset.Suppress the purpose that the film silk stretches and ruptures thereby reach.
The beneficial effects of the utility model are, the advantage of simple inner pressed, external-compression type, suction type membrane module is integrated in one: water distribution evenly, no dead angle, to raw water quality require lower, clean make things convenient for outside, can also suppress the deformation and the fracture of film silk.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, the utility model comprises sleeve pipe, end cap up and down, some hollow-fibre membrane silks, some hollow-fibre membrane silk one ends are cast into the perforate of tunica fibrosa silk and cast in and are top casting end 2 together, some hollow-fibre membrane silk the other ends are cast into and are separated into down casting end 4 between tunica fibrosa silk closed pore and the hollow-fibre membrane silk, some hollow-fibre membrane silks of being cast in two ends are installed in sleeve pipe and the lower end cover, on upper end cover, be provided with treated water outlet 1, be provided with dense water out 3 from top casting port 50mm place, on lower end cover, be provided with aeration opening 6, under the port 50mm place that casts be provided with water-in 5.During the utility model operation, former water is entered by water-in 5, and the hollow-fibre membrane silk foreshortens to more than the water-in, has avoided the direct impact of water inlet fully.Pressurized air is entered by aeration opening 6 simultaneously, allows hollow-fibre membrane film silk swing at inside pipe casing.Purifying waste water enters upper end cover and draws from treated water outlet 1, and dense water enters dense water out 3 and draws.
Claims (1)
1. aeration external pressure type hollow fiber membrane component, comprise sleeve pipe, end cap up and down, some hollow-fibre membrane silks, it is characterized in that: some hollow-fibre membrane silk one ends are cast into the perforate of tunica fibrosa silk and cast in and are the top casting end together, some hollow-fibre membrane silk the other ends are cast into and are separated into down the casting end between tunica fibrosa silk closed pore and the hollow-fibre membrane silk, some hollow-fibre membrane silks of being cast in two ends are installed in sleeve pipe and the lower end cover, on upper end cover, be provided with treated water outlet, be provided with dense water out from top casting port one 0-50mm place, on lower end cover, be provided with aeration opening, under the port 0-100mm place that casts be provided with water-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219927U CN201896083U (en) | 2010-11-23 | 2010-11-23 | Aeration external pressure type hollow fiber film component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219927U CN201896083U (en) | 2010-11-23 | 2010-11-23 | Aeration external pressure type hollow fiber film component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896083U true CN201896083U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206219927U Expired - Lifetime CN201896083U (en) | 2010-11-23 | 2010-11-23 | Aeration external pressure type hollow fiber film component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351199A (en) * | 2018-10-31 | 2019-02-19 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of external pressing type hollow fibrous membrane opening size test component preparation method |
-
2010
- 2010-11-23 CN CN2010206219927U patent/CN201896083U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351199A (en) * | 2018-10-31 | 2019-02-19 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of external pressing type hollow fibrous membrane opening size test component preparation method |
| CN109351199B (en) * | 2018-10-31 | 2022-01-11 | 国家海洋局天津海水淡化与综合利用研究所 | Preparation method of component for external pressure type hollow fiber membrane aperture test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110713 |
|
| CX01 | Expiry of patent term |