CN205076893U - Dull and stereotyped film element suitable for frequent backwash MBR technology - Google Patents
Dull and stereotyped film element suitable for frequent backwash MBR technology Download PDFInfo
- Publication number
- CN205076893U CN205076893U CN201520817673.6U CN201520817673U CN205076893U CN 205076893 U CN205076893 U CN 205076893U CN 201520817673 U CN201520817673 U CN 201520817673U CN 205076893 U CN205076893 U CN 205076893U
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- Prior art keywords
- runner
- pad
- filter membrane
- organic filter
- backup pad
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Abstract
The utility model discloses a dull and stereotyped film element suitable for frequent backwash MBR technology, main content is: the camera includes a supporting plate, the backup pad both sides are by interior and be equipped with the backup pad runner outward in proper order, water conservancy diversion filter cloth and organic filter membrane, the length of organic filter membrane is 500~1000mm, its width is 300~500mm, the material of organic filter membrane is PES or PVDF, organic filter membrane and backup pad adherent wire tear strength more than or equal to 80N, the backup pad runner includes a set of branch line runner and one or several thread runners, branch line runner and thread runner intercommunication, the backup pad outside is equipped with the exhalant canal that advances with thread runner intercommunication, be equipped with the water conservancy diversion filter cloth between backup pad and the organic filter membrane.
Description
Technical field
The utility model relates to technical field of membrane separation, specifically, and particularly a kind of flat membrane component being applicable to frequent backwash MBR technique.
Background technology
Membrane bioreactor is the high efficiency separation integrating biological degradation in bio-reactor and film, is that membrane separation technique and dirty water living creature processing technique organically combine the new process for treating waste water produced.Due to the efficient crown_interception of film, microorganism is dammed in reactor, thus achieve thoroughly being separated of hydraulic detention time and sludge retention time, compared with traditional biochemical sewage treatment technology, membrane Bio-reactor Technology has stable effluent quality, occupation area of equipment is little, sludge concentration is high, excess sludge production is low and be convenient to realize the advantages such as control automatically.
The development history of membrane bioreactor continues to bring out out various material and various forms of component type, along with the Study and Development of high performance immersion type membrane component, compared to external membrane assembly, there is device structure more simple, the clear superiority that operation energy consumption greatly reduces, and then making the application and development of membrane bioreactor achieve larger progress, wherein flat membrane element overcomes the shortcomings such as the easy fracture of wire of hollow-fibre membrane, difficult cleaning, becomes the focus paid close attention in industry gradually.
Traditional flat sheet membrane is due to its constructional feature, mostly be designed to not back-washable, because monolithic membrane element area is larger, although have air bubble scrubbing in operational process, but also keep away unavoidable laminar region must pollute, and the contamination and plugging of below aerating apparatus can cause the local pollution of flat sheet membrane to increase the weight of, make the instability that whole MBR system is run, especially because existing domestic sewage disposal divisional management level is not high, the problems referred to above fail Timeliness coverage, easily make dull and stereotyped MBR system generation severe contamination, even irreversible fouling membrane, and then to causing the paralysis of dull and stereotyped MBR system.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of flat membrane component being applicable to frequent backwash MBR technique is provided, which increase the backwash function of flat membrane component, reduce the generation of fouling membrane greatly, extend plate film assembly work-ing life, realize the steady running of dull and stereotyped MBR long-term safety.
The utility model solves the technical scheme that its technical problem adopts: a kind of flat membrane component being applicable to frequent backwash MBR technique, comprise back up pad, described back up pad both sides are provided with back up pad runner from inside to outside successively, water conservancy diversion filter cloth and organic filter membrane, the length of described organic filter membrane is 500 ~ 1000mm, its width is 300 ~ 500mm, the material of organic filter membrane is PES or PVDF, organic filter membrane and back up pad welding line tear strength are more than or equal to 80N, described back up pad runner comprises one group of branch line runner and one or a few main line runner, branch line runner and main line flow passage, the Inlet and outlet water passage with main line flow passage is provided with outside described back up pad, water conservancy diversion filter cloth is provided with between described back up pad and organic filter membrane.
As preferably, described back up pad runner adopts and is obliquely installed, and its angle of inclination is 60 °.
As preferably, the spacing of described back up pad runner is respectively 10 and 20mm, and its width is 2mm.
As preferably, described water conservancy diversion filter cloth pore diameter range 10 ~ 20 microns.
During use, membrane element is immersed sewage, fixed piecewise by rubber hold-down strip, catchment mouth and external suction means are by silicone tube successively UNICOM; Open suction system, sewage is by the organic membrane filtration of filter plate, and the filtered liquid after filtration is collected in main line runner by branch line runner, and in catchmenting, mouth place enters suction system; Backwash water is driven into flat membrane component inside by backwashing pump by header, through water conservancy diversion filter cloth, by hydraulic pressure cleaning film surface in the other direction; Backwash pressure < 80KPa, backwash frequency be 30min once, backwash time 30s.
The utility model compared with prior art has the following advantages: adopt multiple flow passages, distinguish primary and secondary runner, by a large amount of inclination branch line runners, better disperse swabbing pressure, the filtration resistance that face is subject to balances dispersion more, alleviates face local pollution difference; During backwash, backwash water enters water conservancy diversion filter cloth by Inlet and outlet water passage, and pressure and the flow of dispersion backwash water reach even backwash object, and then alleviate overall fouling membrane situation, improve average effluent flux.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Description of reference numerals:
1-Inlet and outlet water passage, the organic filter membrane of 2-, 3-water conservancy diversion filter cloth, 4-welding line, 5-back up pad runner, 6-back up pad.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
Embodiment, as shown in Figure 1, a kind of flat membrane component being applicable to frequent backwash MBR technique, comprise back up pad 6, described back up pad 6 both sides are provided with back up pad runner 5 from inside to outside successively, water conservancy diversion filter cloth 3 and organic filter membrane 2, the length of described organic filter membrane 2 is 500 ~ 1000mm, its width is 300 ~ 500mm, the material of organic filter membrane 2 is PES or PVDF, organic filter membrane 2 is more than or equal to 80N with back up pad 6 welding line 4 tear strength, described back up pad runner 5 comprises one group of branch line runner and one or a few main line runner, branch line runner and main line flow passage, the Inlet and outlet water passage 1 with main line flow passage is provided with outside described back up pad 6, water conservancy diversion filter cloth 3 is provided with between described back up pad 6 and organic filter membrane 2.
Preferably, described back up pad runner 5 adopts and is obliquely installed, and its angle of inclination is 60 °.
Preferably, the spacing of described back up pad runner 5 is respectively 10 and 20mm, and its width is 2mm.
Preferably, described water conservancy diversion filter cloth 3 pore diameter range 10 ~ 20 microns.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.
Claims (4)
1. one kind is applicable to the flat membrane component of frequent backwash MBR technique, it is characterized in that: comprise back up pad, described back up pad both sides are provided with back up pad runner from inside to outside successively, water conservancy diversion filter cloth and organic filter membrane, the length of described organic filter membrane is 500 ~ 1000mm, its width is 300 ~ 500mm, the material of organic filter membrane is PES or PVDF, organic filter membrane and back up pad welding line tear strength are more than or equal to 80N, described back up pad runner comprises one group of branch line runner and one or a few main line runner, branch line runner and main line flow passage, the Inlet and outlet water passage with main line flow passage is provided with outside described back up pad, water conservancy diversion filter cloth is provided with between described back up pad and organic filter membrane.
2. a kind of flat membrane component being applicable to frequent backwash MBR technique as claimed in claim 1, is characterized in that: described back up pad runner adopts and is obliquely installed, and its angle of inclination is 60 °.
3. a kind of flat membrane component being applicable to frequent backwash MBR technique as claimed in claim 2, it is characterized in that: the spacing of described back up pad runner is respectively 10 and 20mm, its width is 2mm.
4. a kind of flat membrane component being applicable to frequent backwash MBR technique as claimed in claim 1, is characterized in that: described water conservancy diversion filter cloth pore diameter range 10 ~ 20 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817673.6U CN205076893U (en) | 2015-10-20 | 2015-10-20 | Dull and stereotyped film element suitable for frequent backwash MBR technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817673.6U CN205076893U (en) | 2015-10-20 | 2015-10-20 | Dull and stereotyped film element suitable for frequent backwash MBR technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205076893U true CN205076893U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817673.6U Expired - Fee Related CN205076893U (en) | 2015-10-20 | 2015-10-20 | Dull and stereotyped film element suitable for frequent backwash MBR technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205076893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436618A (en) * | 2019-08-08 | 2019-11-12 | 西安建筑科技大学 | A kind of anaerobic membrane bioreactor and control membrane fouling method based on extra electric field |
-
2015
- 2015-10-20 CN CN201520817673.6U patent/CN205076893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436618A (en) * | 2019-08-08 | 2019-11-12 | 西安建筑科技大学 | A kind of anaerobic membrane bioreactor and control membrane fouling method based on extra electric field |
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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 |
Granted publication date: 20160309 Termination date: 20211020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |