CN204073563U - A kind of can the filter washed of back suction - Google Patents
A kind of can the filter washed of back suction Download PDFInfo
- Publication number
- CN204073563U CN204073563U CN201420272667.2U CN201420272667U CN204073563U CN 204073563 U CN204073563 U CN 204073563U CN 201420272667 U CN201420272667 U CN 201420272667U CN 204073563 U CN204073563 U CN 204073563U
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- filter cloth
- back suction
- filter
- port
- washed
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Abstract
A kind of can the filter washed of back suction, comprise filter cloth and filter cloth back suction cleaning device, described filter cloth back suction cleaning device comprises back suction sucking pump, scrapes suction port, described back suction sucking pump is inhaled port by pipeline be connected with described being scraped, described scraping is inhaled port and described filter cloth surface and is close to, and described filter cloth and described scraping are inhaled port and be can be movable relatively.When forming sludge blanket gradually outside filter cloth, strike off the mud of filter cloth surface by filter cloth back suction cleaning device and by the backwash of back suction inspiration row, realize cleaning the mud in the micropore of filter cloth.The utility model runs efficient, and the washing length time is short, and electric energy expends low, and the impact by regulating backwash frequency to tackle water water quality and quantity change in a short time, the effect that the system that realizes anti-water quality and quantity impact load ability is strong.
Description
Technical field
The utility model relates to sewage treatment area, be specifically related to a kind of can the filter washed of back suction.
Background technology
Shortage of water resources and water pollution problems are day by day serious, therefore how to improve the high praise that urban sewage recycling receives countries in the world.In " urban wastewater treatment firm pollutant emission standard " GB18918-2002, the water outlet of regulation urban wastewater treatment firm is the standard of one-level A as the basic demand of recycle-water.At present, the sewage treatment process of applicable China present situation is being studied by China.
The problem often run in sewage treatment process is the Separation of Solid and Liquid of suspension.Improve the effect be separated, be not only related to effect and the cost for the treatment of process, and energy-conservation and protection of the environment etc. also tool are of great significance.In general, sedimentation method for separating, effectively separating suspension severe and liquid severe can have the suspension of notable difference, apply comparatively extensive.But little for difference of specific gravity or that suspension content is less suspension, is then difficult to solid to be separated totally with common sedimentation method for separating.In addition, the shortcomings such as it is long that sedimentation separation method also exists liquid residence time, and occupation area of equipment is large.In order to further decontaminating liquid in technique, often need to coordinate with filter operation, as sand filtration, press filtration etc.Wherein sand filtration structure is simple, and filter material is easily got, but general disposal ability is lower, and then power consumption is comparatively large to clean comparatively numerous and diverse press filtration, and when processing large amount of sewage, economical not, equipment is more complicated also, and anti-water quality and quantity impact load ability is weak.
Utility model content
Based on problems of the prior art, the utility model provide a kind of can the filter washed of back suction, the effects such as effluent quality is good, floor space is little, anti-water quality and quantity impact load ability is strong can be realized.
The technical solution of the utility model:
A kind of can the filter washed of back suction, comprise filter cloth and filter cloth back suction cleaning device, described filter cloth back suction cleaning device comprises back suction sucking pump, scrapes suction port, described back suction sucking pump is inhaled port by pipeline be connected with described being scraped, described scraping is inhaled port and described filter cloth surface and is close to, and described filter cloth and described scraping are inhaled port and be can be movable relatively.
The drive motors driving described filter cloth to rotate can be comprised.
Described back suction sucking pump can be fixed on the top of filtering ponds body.
Also comprise the liquid level gauge on the inwall being fixed on filtering ponds body.
Also comprise PLC, described PLC is connected with described liquid level gauge and back suction sucking pump.
Described pipeline can comprise control valve.
Described filter cloth is by filter cloth supports support.
Described filter cloth is preferably the microporous fibre filter cloth of 5-20 μm, and thickness is 2-3mm.
Technique effect of the present utility model:
Filter of the present utility model is along with the carrying out of filtering and the accumulation of solid suspension, sludge blanket is formed gradually when causing the filtration resistance of filter cloth constantly to increase outside filter cloth, the back suction sucking pump of filter cloth back suction cleaning device can be opened, drive filter cloth relative to scraping the motion of suction port simultaneously, the suction port of scraping being close to filter cloth surface scrapes off the mud being attached to filter cloth, simultaneously the water of filter cloth opposite side is connected scraping of back suction sucking pump and inhales port and aspirate from inside to outside, thus realizes cleaning the mud in the micropore of filter cloth.Filter cloth back purge system is washed with back suction owing to synchronously carrying out striking off, therefore run efficient, the washing length time is short, electric energy expends low, effectively the sludge blanket outside filter cloth can be removed, and the impact by regulating backwash frequency to tackle water water quality and quantity change in a short time, the effect that the system that realizes anti-water quality and quantity impact load ability is strong.
Described liquid level gauge is connected with PLC automatic control system, according to the liquid level of pond body, automatically can control back suction sucking pump.
Filter of the present utility model is washed owing to can carry out back suction to filter cloth surface timely, is more suitable for microfiltration sewage being carried out to the degree of depth.Therefore the microporous fibre high accuracy filter cloth of 5-20 μm can be adopted, thickness is only 2-3mm, good filtration effect and easy cleaning is clean, backwash is very effective, washing length is short, and generally, backwash interval time is 60 minutes, often coiling flushing is 1 minute, and the more solid hard object that prevents of microporous fibre damages filter cloth.
Accompanying drawing explanation
Fig. 1 is that use in embodiment can the back suction front elevational schematic of filter of washing.
In figure, each label lists as follows:
1-filter cloth, 2-scrapes suction port, 3-liquid level gauge, 4-control valve, 5-back suction sucking pump, 6-filter cloth support member.
Detailed description of the invention
For ease of understanding, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The present embodiment can be applied to the further microfiltration after sewage coarse filtration by the filter washed of back suction.As shown in Figure 1, comprise filter cloth 1 and filter cloth back suction cleaning device, described filter cloth is the microporous fibre filter cloth of 10 μm, and thickness is 2.5mm, and also can choose the filter cloth of other specification according to actual conditions, described filter cloth 1 is supported for discoid by filter cloth support member 6.Described filter cloth back suction cleaning device comprise be fixed on filtering ponds top back suction sucking pump 5, scrape and inhale port 2, described back suction sucking pump 5 is inhaled port 2 by pipeline be connected with described being scraped, and pipeline also comprises control valve 4, described in scrape suction port 2 and described filter cloth 1 surface is close to.Described filter cloth 2 drives by drive motors and rotates.Also comprise the liquid level gauge 3 on the inwall being fixed on filtering ponds body, described liquid level gauge 3 is connected with PLC and back suction sucking pump 5.
When starting working, in filtering ponds, entered clear water reserviors through filter cloth 1 by the sewage of coarse filtration.Along with the carrying out of filtering and the accumulation of solid suspension, sludge blanket is formed gradually outside filter cloth 1, the filtration resistance of filter cloth 1 is caused constantly to increase, and liquid level in filtering ponds is constantly raised, when liquid level rises to setting height, output signal PLC by liquid level gauge 9 and automatically open back suction sucking pump 5, driving filter cloth 1 moves relative to scraping suction port 2 simultaneously, the suction port 2 of scraping being close to filter cloth 1 surface scrapes off the mud being attached to filter cloth 1, simultaneously the clear water of filter cloth 1 opposite side is connected scraping of back suction sucking pump 5 and inhales port 2 and aspirate from inside to outside, thus realize cleaning the mud in the micropore of filter cloth 1.Sludge blanket on filter cloth 1 can effectively be removed by filter cloth back suction cleaning device.Described control valve 4 also can control back suction sucking pump 5 according to actual conditions in real time.Filter cloth back purge system runs efficient, and the washing length time is short, and electric energy expends low, and the impact by regulating backwash frequency to tackle water water quality and quantity change in a short time, the effect that the system that realizes anti-water quality and quantity impact load ability is strong.
The water quality index of the water outlet after the microfilter device process of the present embodiment meets: suspension content is less than 10mg/L, and turbidity is less than 5NTU, meet the requirement of sewage disposal, and floor space is little, system stability.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement; such as select different filter clothes according to actual sewage situation, or choose different filter cloth rotary actuation modes etc., all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. one kind can the filter washed of back suction, it is characterized in that comprising filter cloth and filter cloth back suction cleaning device, described filter cloth back suction cleaning device comprises back suction sucking pump, scrapes suction port, described back suction sucking pump is inhaled port by pipeline be connected with described being scraped, described scraping is inhaled port and described filter cloth surface and is close to, and described filter cloth and described scraping are inhaled port and be can be movable relatively.
2. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that comprising the drive motors driving described filter cloth to rotate.
3. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that described back suction sucking pump is fixed on the top of filtering ponds body.
4. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that comprising the liquid level gauge on the inwall being fixed on filtering ponds body.
5. according to claim 4 a kind of can the filter washed of back suction, it is characterized in that comprising PLC, described PLC is connected with described liquid level gauge and back suction sucking pump.
6. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that comprising control valve on described pipeline.
7. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that described filter cloth is by filter cloth supports support.
8. according to claim 1 a kind of can the filter washed of back suction, it is characterized in that described filter cloth is the microporous fibre filter cloth of 5-20 μm, thickness is 2-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272667.2U CN204073563U (en) | 2014-05-26 | 2014-05-26 | A kind of can the filter washed of back suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272667.2U CN204073563U (en) | 2014-05-26 | 2014-05-26 | A kind of can the filter washed of back suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204073563U true CN204073563U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420272667.2U Expired - Fee Related CN204073563U (en) | 2014-05-26 | 2014-05-26 | A kind of can the filter washed of back suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204073563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092552A (en) * | 2018-01-30 | 2019-08-06 | 辽宁德智环保技术有限公司 | A method of processing sludge conditioning excessive concentration |
-
2014
- 2014-05-26 CN CN201420272667.2U patent/CN204073563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092552A (en) * | 2018-01-30 | 2019-08-06 | 辽宁德智环保技术有限公司 | A method of processing sludge conditioning excessive concentration |
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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: 20150107 Termination date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |