CN200961111Y - Aerating biological filter - Google Patents
Aerating biological filter Download PDFInfo
- Publication number
- CN200961111Y CN200961111Y CNU2006200100782U CN200620010078U CN200961111Y CN 200961111 Y CN200961111 Y CN 200961111Y CN U2006200100782 U CNU2006200100782 U CN U2006200100782U CN 200620010078 U CN200620010078 U CN 200620010078U CN 200961111 Y CN200961111 Y CN 200961111Y
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- CN
- China
- Prior art keywords
- water
- pipe
- filter tank
- filter
- air chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model is an aeration biological filter chamber belonging to the field of water treatment facilities. The technical project of the utility model is that the utility model comprises a filter chamber which is provided inside with an aeration device and a filter device. The bottom of the filter chamber is provided with a water inlet pipe, a backwash drain pipe, a pulse air chamber which is communicated with the bottom of the filter chamber, a backwash air inlet pipe and an air outlet pipe which are communicated with the pulse air chamber. The end of the air outlet pipe inside the pulse air chamber is arranged in a water-sealing tube and the other end is communicated with a gas water separator. The utility model is simple in structure, low in production costs and can save water to protect environment. The technical project of the aeration biological filter chamber with a pulse backwash device not only guarantees the backwash effect but also decreases the quantity of water used for backwash.
Description
Technical field
The utility model relates to a kind of waste disposal plant, relates in particular to a kind of BAF.
Background technology
Many at present employing Up-flow Biological Aerated Filter are disposed of sewage.The subject matter that existing Up-flow Biological Aerated Filter exists is: behind its operation certain hour, the dirt of holding back in the filtering layer and the microbial film of growth increase filtration resistance, must carry out back flushing to BAF; In order to address this problem, at present the BAF that some have back flushing mechanism has appearred, but its structure more complicated, the manufacturing cost height; And its backwash water amount is big, waste water resource.
Summary of the invention
The utility model is at the existing in prior technology shortcoming, and providing a kind of simple in structure, low cost of manufacture can reduce water consumption, the technical scheme of environmental protection, the BAF that has the pulsed back-purge system had both guaranteed backwash effect, had reduced the backwash water amount again.
The utility model is realized by following technical measures: it comprises the filter tank, be provided with aerating apparatus and filtration unit in the filter tank, the bottom, filter tank is provided with water inlet pipe, the bottom, filter tank is provided with the sewage backwash pipe, the pulse air chamber that communicates with the bottom in filter tank is arranged, the recoil inlet pipe and the vapor pipe that are communicated with the pulse air chamber are arranged, an end that is positioned at the pulse air chamber of vapor pipe is positioned at syphon trap, the other end of vapor pipe is communicated with air water separator, air water separator top is provided with ventpipe, the bottom of air water separator by communicating pipe the bottom with the pulse air chamber be communicated with.Under the certain condition of filter tank volume and height, liquid packing volume and height and recoil atmospheric pressure and flow, the time that forming pulse automatically needs also is certain, therefore can determine that air recoils the time according to the number of times of pulse.In like manner the volume in filter tank and height, liquid packing volume and height and recoil atmospheric pressure and flow also can manufacture and design as required.When needing the back flushing concrete operations, close the sewage water inlet pipe valve, open the recoil blast main, air constantly enters the pulse air chamber, water level in the pulse air chamber constantly descends under pressure, water is forced in the pond, when water level drops to the liquid packing top, water level in the liquid packing begins to descend, water wherein is discharged in the air water separator by vapor pipe, and flow back into Chi Tizhong, when the water level in the liquid packing drops to the mouth of pipe place of vapor pipe, pressurized air in the pulse air chamber enters in the air water separator by vapor pipe rapidly, air enters in the atmosphere by ventpipe, the less water of taking out of enters behind the air water separator by communicating pipe turning back to Chi Tizhong, because the pressure in the pulse air chamber descends rapidly, and the water level of Chi Tizhong is much higher than the water level of pulse air chamber, therefore, the water level of pulse air chamber rises rapidly, and a large amount of clear water is instantaneous to flow through filtering layer by filter from the top down, and filtering layer is formed quick impact and scrubs, can break up the filtering layer of compacting, rinse out the dirt in the filtering layer, when the water level in the pulse air chamber rises to when flooding liquid packing, the pulsatile once flushing finishes.Along with entering continuously of recoil air, can constantly form multiple pulses, filtering layer is cleaned preferably, under the certain condition of pond body size, liquid packing height and recoil air flow quantity, automatically the time that forming pulsatile once needs also is certain, therefore can determine the air recoil time by pulse number as required.Close the back flushing blast main, quiet heavy certain hour sinks at the bottom of the pond suspended substance in the filtering layer lower space, opens the sewage backwash pipe, goes into water purification from the pond teeming simultaneously, and filtering layer is cleaned, and backwash process finishes.The key of backwash process is the flushing of multiple pulses to filtering layer, has both guaranteed backwash effect, has reduced the backwash water amount again.
Above-mentioned vapor pipe is positioned at the bottom of an end of syphon trap near syphon trap during specific design, can make full use of the space and the height of syphon trap like this, the water in the syphon trap can be discharged as much as possible simultaneously, strengthens the effect of flushing.
At the inwall in filter tank and above filtration unit, be provided with the water purification effluent trough, the water purification rising pipe that communicates with effluent trough is arranged.What adopt like this is the mode that the upward flow aeration and biological purifies.
Filtration unit comprises the filtering layer of the top of the aerating apparatus that is arranged on inside, filter tank, is provided with filter plate on the top of filtering layer, and filter plate is provided with filter.
The lower end of filter probes in the filtering layer, and the upper end is higher than plane on the filter plate.
Above-mentioned filter tank and pulse air chamber can be designed as shared one and face the wall and meditate, and are communicated with by water hole.Like this can simplified construction.
The beneficial effect of this programme can be learnt according to the narration to such scheme, the utility model is simple in structure, and low cost of manufacture can water saving, the technical scheme that has the BAF of pulsed back-purge system had both guaranteed backwash effect, had reduced the backwash water amount again.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Among the figure, 1, water inlet pipe, 2, aerating apparatus, 3, the water purification rising pipe, 4, back flushing water inlet pipe, 5, the sewage backwash pipe, 6, effluent trough, 7, filter plate, 8, filter, 9, filtering layer, 10, filter tank, 11, water hole, 12, the pulse air chamber, 13, liquid packing, 14, vapor pipe, 15, air water separator, 16, communicating pipe, 17, the recoil inlet pipe, 18, ventpipe.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by an embodiment.
The utility model is a kind of BAF.It comprises filter tank 10 as described in Figure 1, be provided with aerating apparatus 2 and filtration unit in the filter tank 10,10 bottoms, filter tank are provided with water inlet pipe 1,10 bottoms, filter tank are provided with sewage backwash pipe 5, the pulse air chamber 12 that communicates with the bottom in filter tank 10 is arranged, filter tank 10 and pulse air chamber 12 specifically can be designed as shared one and face the wall and meditate, and are communicated with by water hole 11.The recoil inlet pipe 17 and the vapor pipe 14 that are communicated with pulse air chamber 12 are arranged, an end that is positioned at pulse air chamber 12 of vapor pipe 14 is positioned at the bottom of the close liquid packing 13 of liquid packing 13 and its end, the other end of vapor pipe 14 is communicated with air water separator 12, air water separator 15 tops are provided with ventpipe 18, and the bottom of air water separator 15 is by being communicated with the bottom of pulse air chamber 12 communicating pipe 16.At the inwall in filter tank 10 and above filter 8, be provided with water purification effluent trough 6, the water purification rising pipe 3 that communicates with effluent trough 6 is arranged.Above-mentioned filtration unit can adopt following structures: it comprises the filtering layer 9 of the top of the aerating apparatus 2 that is arranged on 10 inside, filter tank, be provided with filter plate 7 on the top of filtering layer 9, filter plate 7 is provided with filter 8, and the lower end of filter 8 probes in the filtering layer 9, and the upper end is higher than the last plane of filter plate 7.The water inlet pipe 4 that is used for back flushing on filter tank 10, can be equipped with.Like this back flushing can close recoil blast main 17 at last, close sewage water inlet pipe 1 simultaneously, open recoil blow-off pipe 5, the water inlet pipe 4 of 10 tops injects water purification from the filter tank, filter tank 10 is washed get final product.
Claims (6)
1, a kind of BAF, it comprises filter tank [10], be provided with aerating apparatus [2] and filtration unit in the filter tank [10], filter tank [10] is provided with water inlet pipe [1], it is characterized in that, bottom, described filter tank [10] is provided with sewage backwash pipe [5], the pulse air chamber [12] that communicates with the bottom of filter tank [10] is arranged, the recoil inlet pipe [17] and the vapor pipe [14] that are communicated with pulse air chamber [12] are arranged, the end that vapor pipe [14] is positioned at pulse air chamber [12] is positioned at syphon trap [13], the other end of vapor pipe [14] is communicated with air water separator [15], air water separator [15] top is provided with ventpipe [18], and the bottom of air water separator [15] is by being communicated with the bottom of pulse air chamber [12] communicating pipe [16].
2, BAF according to claim 1 is characterized in that, described vapor pipe [14] is positioned at the bottom of an end of syphon trap [13] near syphon trap [13].
3, BAF according to claim 1 and 2 is characterized in that, the inwall of [10] and be provided with water purification effluent trough [6] above filtration unit in the filter tank has the water purification rising pipe [3] that communicates with effluent trough [6].
4, BAF according to claim 1 and 2, it is characterized in that, described filtration unit comprises the filtering layer [9] of the top that is arranged on the inner aerating apparatus [2] in filter tank [10], is provided with filter plate [7] on the top of filtering layer [9], and filter plate [7] is provided with filter [8].
5, BAF according to claim 4 is characterized in that, the lower end of described filter [8] probes in the filtering layer [9], and the upper end is higher than filter plate [7] and goes up the plane.
6, BAF according to claim 1 and 2 is characterized in that, described filter tank and pulse air chamber shared are faced the wall and meditated, and is communicated with by water hole [11].
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2006200100782U CN200961111Y (en) | 2006-09-25 | 2006-09-25 | Aerating biological filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2006200100782U CN200961111Y (en) | 2006-09-25 | 2006-09-25 | Aerating biological filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN200961111Y true CN200961111Y (en) | 2007-10-17 |
Family
ID=38797621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2006200100782U Expired - Fee Related CN200961111Y (en) | 2006-09-25 | 2006-09-25 | Aerating biological filter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN200961111Y (en) |
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2006
- 2006-09-25 CN CNU2006200100782U patent/CN200961111Y/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071017 Termination date: 20100925 |