CN205367866U - Aeration biological filter - Google Patents
Aeration biological filter Download PDFInfo
- Publication number
- CN205367866U CN205367866U CN201620098841.5U CN201620098841U CN205367866U CN 205367866 U CN205367866 U CN 205367866U CN 201620098841 U CN201620098841 U CN 201620098841U CN 205367866 U CN205367866 U CN 205367866U
- Authority
- CN
- China
- Prior art keywords
- filter
- cell body
- distributing area
- filter plate
- material layer
- 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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Classifications
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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 discloses an aeration biological filter, include the filtering pond cell body and be located the play pool on cell body upper portion, buffering water distributing area, cobble supporting layer and filter material layer from bottom to top set gradually in the cell body, it is equipped with the stabilizer to go out the pool top, the play pool left and right sides is equipped with and is located the outer play basin of cell body, it is equipped with delivery port, its characterized in that to go out the bottom of gullet: buffering water distributing area's well lower part both sides symmetry is equipped with back flush air inlet and filtering pond water inlet, buffering water distributing area upper portion is equipped with first filter plate, install a plurality of long -handle filter head on the first filter plate, cobble supporting layer middle part is equipped with the aeration pipe, fill on the filter material layer has the haydite filter material, filter material layer upper portion establish the second filter plate with its with it separates to go out the pool. The utility model discloses an aeration biological filter adopts the upward flow mode, and water distribution, gas distribution are even, and the dirty rate of receiving is high, prevents blockking up, can provide stable oxygen source for the filtering pond, and sewage purifying effect is showing.
Description
Technical field
This utility model relates to sewage-treatment plant, is specifically related to a kind of BAF.
Background technology
BAF is called for short BAF, it it is a kind of New biological membrane method sewage treatment process grown up America and Europe the end of the eighties, obtaining large development the beginning of the nineties, this technique has the effect removing SS, COD, BOD, nitrated, denitrogenation, dephosphorization, removal AOX (harmful substance).BAF is collection biological oxidation and the new technology retaining suspended solid one.At present, the BAF of China is mainly used in the advanced treating of municipal sewage and industrial wastewater, existing biofilter is divided into upward flow according to water (flow) direction and lower to stream two kinds, to stream BAF under commonly used being, but under dirty inefficient to receiving of stream BAF, aqueous vapor skewness, easily blocking, filter tank is for hypoxgia, and the loss of flood peak is relatively big, and cycle of operation is short.
Utility model content
The purpose of this utility model is to provide a kind of BAF, adopts upward flow mode, makes water distribution, uniform air distribution, and dirty rate of receiving is high, blockage resisting, can provide stable oxygen source to filter tank, effectively prevent filtrate from losing.
In order to realize the purpose of this utility model, adopt the following technical scheme that
A kind of BAF, including filter tank cell body and the exhalant region being positioned at described cell body top, buffering water distributing area is from bottom to top set gradually in described cell body, cobble supporting layer and filter material layer, described exhalant region is arranged over stabilier, the described exhalant region left and right sides is provided with the effluent trough outside described cell body, it is provided with outlet bottom described effluent trough, it is characterized in that: the both sides, middle and lower part of described buffering water distributing area are arranged with backwash air inlet and filter tank water inlet, top, described buffering water distributing area is provided with the first filter plate, described first filter plate is provided with several strainer heads；It is provided with aeration tube in the middle part of described cobble supporting layer；Described filter material layer is filled with ceramic grain filter, and described filter material layer top sets the second filter plate and itself and described exhalant region separated.
Further, described strainer head is one-body molded by filter cap and long handle, and described filter cap is that grid is parabola shaped, and described long handle is through described first filter plate to described buffering water distributing area.
Further, described stabilier is the cylinder identical with described cell body diameter, and its top is connected with described exhalant region top, and there is certain distance bottom from described second filter plate.
Further, described filter tank cell body is circular, square or rectangle.
The beneficial effects of the utility model are: filter tank structure is simple, water distribution, uniform air distribution, and dirty rate of receiving is high, blockage resisting, can provide stable oxygen source to filter tank, effectively prevent filtrate from losing, and wastewater purifying efficiency is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is specifically addressed:
BAF as shown in Figure 1, including filter tank cell body 1 and the exhalant region 2 being positioned at cell body 1 top.Cell body 1 can be arranged to circle, square or rectangle, from bottom to top sets gradually buffering water distributing area 3, cobble supporting layer 4 and filter material layer 5 in cell body 1.Exhalant region 2 is arranged over stabilier 6, is used for reducing the undulatory property of current, and making waterflow stabilization, stabilier 6 is the cylinder identical with filter tank 1 diameter, and its top is connected with exhalant region top, and bottom has certain distance in vain from the second filter plate, and water supply stream passes through.The left and right sides of exhalant region 2 is provided with the effluent trough 7 outside cell body 1, is provided with outlet 8 bottom effluent trough 7.The both sides, middle and lower part of buffering water distributing area 3 are arranged with backwash air inlet 9 and filter tank water inlet 10, backwashing water and sewage are all entered in cell body 1 by filter tank water inlet 10.Buffering top, water distributing area 3 is provided with the first filter plate 11, and the first filter plate 11 is provided with several strainer heads 12, and strainer head 12 is one-body molded by filter cap and long handle, and wherein filter cap is that grid is parabola shaped, and long handle is through the first filter plate 11 to buffering water distributing area 3.Being provided with aeration tube 13 in the middle part of cobble supporting layer 4, aeration tube 13 for carrying stable oxygen source in filter tank 1.Filter material layer 5 is filled with ceramic grain filter, and filter material layer 5 top sets the second filter plate 14 and itself and exhalant region 2 separated, and stops filtrate to enter exhalant region 2, it is prevented that filtrate loses.
BAF of the present utility model integrates aeration, high filtering velocity, retains float, regular backwash etc..The less ceramic grain filter of a certain amount of particle diameter (such as clay haydite or haydites of book structure) is loaded, as the carrier that microbial film increases, filter material surface and filtrate internal capillary growth biomembrane in the filter material layer in filter tank.Sewage enters through filter tank water inlet and is entered by the lower port of long handle behind buffering water distributing area, uniformly flow out through filter cap, filter tank is internal by aeration tube aeration, in filter tank, gas and water is uniformly distributed, flow through filter material layer from bottom to top, utilize the oxidative degradation ability of high-concentration biological film amount on filtrate that waste water is carried out fast purification；Meanwhile, when sewage flows through filtrate, utilize feature and biomembranous biological flocculation that particle diameter of filter medium is less, retain big big army banner float in sewage, and the biological kneecap that ensures to come off will not drift out with water.Water after filtrate purifies enters exhalant region by the second filter plate, flows out from the outlet bottom effluent trough.After a period of time is run in filter tank, because the loss of flood peak increases, filter tank need to be carried out backwash, to discharge the float retained and to update biomembrane, to recover the process performance in filter tank.During backwash, backwash air and backwashing water simultaneously enter buffering water distributing area from backwash air inlet and filter tank water inlet respectively, and gas and water enters filter material layer through strainer head (playing the effect of water distribution, gas distribution) simultaneously.
Embodiment described above is only that preferred implementation of the present utility model is described, and not design of the present utility model and scope is defined.Under the premise without departing from this utility model design concept; various modification that the technical solution of the utility model is made by this area ordinary person and improvement; protection domain of the present utility model all should be dropped into, the technology contents that this utility model is claimed, all record in detail in the claims.
Claims (4)
1. a BAF, including filter tank cell body (1) and the exhalant region (2) being positioned at described cell body (1) top, buffering water distributing area (3) is from bottom to top set gradually in described cell body (1), cobble supporting layer (4) and filter material layer (5), described exhalant region (2) is arranged over stabilier (6), described exhalant region (2) left and right sides is provided with described cell body (1) effluent trough (7) outward, described effluent trough (7) bottom is provided with outlet (8), it is characterized in that: the both sides, middle and lower part of described buffering water distributing area (3) are arranged with backwash air inlet (9) and filter tank water inlet (10), described buffering water distributing area (3) top is provided with the first filter plate (11), described first filter plate (11) is provided with several strainer heads (12)；Described cobble supporting layer (4) middle part is provided with aeration tube (13)；Described filter material layer (5) is filled with ceramic grain filter, and described filter material layer (5) top sets the second filter plate (14) and itself and described exhalant region (2) separated.
2. BAF according to claim 1, it is characterized in that: described strainer head (12) is one-body molded by filter cap and long handle, described filter cap is that grid is parabola shaped, described long handle described first filter plate (11) of traverse extremely described buffering water distributing area (3).
3. BAF according to claim 1, it is characterized in that: described stabilier (6) is the cylinder identical with described cell body (1) diameter, its top is connected with described exhalant region (2) top, and there is certain distance bottom from described second filter plate (14).
4. BAF according to claim 1, it is characterised in that: described filter tank cell body (1) is circular, square or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620098841.5U CN205367866U (en) | 2016-01-25 | 2016-01-25 | Aeration biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620098841.5U CN205367866U (en) | 2016-01-25 | 2016-01-25 | Aeration biological filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205367866U true CN205367866U (en) | 2016-07-06 |
Family
ID=56264164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620098841.5U Expired - Fee Related CN205367866U (en) | 2016-01-25 | 2016-01-25 | Aeration biological filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205367866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751623A (en) * | 2018-08-13 | 2018-11-06 | 武汉森泰环保股份有限公司 | A kind of multifunction double-layer filter tank |
-
2016
- 2016-01-25 CN CN201620098841.5U patent/CN205367866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751623A (en) * | 2018-08-13 | 2018-11-06 | 武汉森泰环保股份有限公司 | A kind of multifunction double-layer filter tank |
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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: 20160706 Termination date: 20170125 |