CN216614156U - Upper filter plate air-floatation lifting type aeration biological filter - Google Patents
Upper filter plate air-floatation lifting type aeration biological filter Download PDFInfo
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- CN216614156U CN216614156U CN202123013711.7U CN202123013711U CN216614156U CN 216614156 U CN216614156 U CN 216614156U CN 202123013711 U CN202123013711 U CN 202123013711U CN 216614156 U CN216614156 U CN 216614156U
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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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Abstract
The utility model discloses an air-flotation lifting type biological aerated filter with an upper filter plate, which comprises a reaction tank body, a filler module arranged in the reaction tank body and an aeration pipe extending to the bottom of the filler module, wherein the filler module comprises an upper filter plate, a lower filter plate and filler clamped and fixed by the upper filter plate and the lower filter plate, the upper filter plate is assembled in a vertical sliding mode relative to the reaction tank body, the lower filter plate is assembled in a fixed mode relative to the reaction tank body, a buoy conduit and a buoy are arranged in the filler, the buoy conduit is fixedly connected with the lower filter plate, the buoy is assembled with the buoy conduit in a vertical sliding mode, an air inlet pipe with an air inlet valve is connected to the buoy, and the upper filter plate is fixedly connected with the buoy. The utility model provides a biological aerated filter, when the backwash was packed, aerifys in to the flotation pontoon, shifts up through the flotation pontoon drive upper filter plate, makes the packing between upper and lower filter plate be in loose state, and it is convenient for it stirs down and rolls at the backwash water to improve the backwash effect to the packing, guaranteed the abundant of packing backwash.
Description
Technical Field
The utility model relates to the technical field of biological filters, in particular to an air-flotation lifting type aeration biological filter with an upper filter plate.
Background
The biological aerated filter is a variant form of the common biological filter and can also be seen as a special form of a biological contact oxidation method, namely, a biological reverberator is filled with granular fillers with high specific surface area to provide carriers for microbial growth, the biological aerated filter is divided into downward flow or upward flow according to different water inlet and outlet flow directions, sewage flows through a filter material layer from top to bottom or from bottom to top, air blast aeration is carried out on the lower part of the filter material layer to provide oxygen required by biochemical reverberation, organic pollutants in the sewage are purified under the action of the microbes attached to the outer surface of the fillers, and meanwhile, the fillers play a physical filtering role.
Although the traditional activated sludge process and its deformation processes such as oxidation ditch process, AB process, SBR process, etc. have better treatment effect, but have the defects of large floor area, high capital investment, low treatment load, slow operation and start, easy sludge expansion, unable to bear impact load, etc., and simultaneously the process equipment has low treatment efficiency, high energy consumption, unable to meet the requirements of high efficiency and low consumption, while the aeration biological filter tank has been gradually developed from a single process into a series of comprehensive processes, having the functions of removing SS, COD, BOD, AOX (harmful substances) and denitrification and dephosphorization 61. the greatest advantage is that the biological purification and physical filtration are integrated, no secondary sedimentation tank is needed, the treatment process flow is simplified on the premise of ensuring the treatment effect, in addition, the aeration biological filter tank process has high volume load, large hydraulic load and short hydraulic retention time, low investment for capital construction, low energy consumption and operation cost, good quality of effluent and the like.
The aeration biological filter tank applied at present has the following defects:
1. the aeration biological filter adopts quartz sand as a filler, so that the head loss is large;
2. the aeration biological filter adopts quartz sand as filler, has poor film forming effect and low biochemical treatment efficiency;
3. the back washing of the biological aerated filter is one of the key factors for determining the operation of the filter, and the phenomenon of agglomeration can occur when the filter material is not sufficiently washed, so that the process fails in operation. In addition, improper design or operation management can cause problems such as filter material loss with water.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide the air-flotation lifting type biological aerated filter with the upper filter plate, so that the backwashing effect of the filler is improved, and the sufficiency of backwashing of the filler is ensured.
The utility model solves the problems through the following technical means:
the utility model provides an go up filter plate air supporting over-and-under type aeration biological filter, includes reaction cell body, sets up the filler module in reaction cell body and extends to the aeration pipe of filler module bottom, the filler module includes filter plate, lower filter plate and through the fixed filler of upper and lower filter plate centre gripping, go up the relative reaction cell body of filter plate and slide the assembly from top to bottom, the relative reaction cell body fixed mounting of lower filter plate, be provided with flotation pontoon pipe and flotation pontoon in the filler, flotation pontoon pipe and lower filter plate fixed connection, the assembly that slides from top to bottom of flotation pontoon and flotation pontoon pipe is connected with the intake pipe of taking into the pneumatic valve on the flotation pontoon, go up filter plate and flotation pontoon fixed connection.
Furthermore, guide rods are arranged at four corners of the reaction tank body, and the upper filter plate penetrates through the guide rods and is assembled with the guide rods in a sliding mode.
Further, a threaded section is machined at the top end of the guide rod, and a nut is assembled on the threaded section.
Furthermore, the upper side and the lower side of the filler module respectively form a water inlet area and a water outlet area, and the water inlet area and the water outlet area are respectively connected with a water inlet pipe and a water outlet pipe.
Furthermore, a backwashing pipe is arranged in the filler, and a backwashing valve is arranged at the water inlet end of the backwashing pipe.
Furthermore, the bottom of the packing module is provided with a slag discharge pipe, and the slag discharge end of the slag discharge pipe is provided with a slag discharge valve.
Furthermore, the air inlet pipe and the aeration pipe are communicated with an external air source pipeline after being converged by the tee joint.
Further, the reaction tank body is arranged on the base.
Further, the filler is a polyurethane filler.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides an go up filter plate air supporting over-and-under type bological aerated filter, including reaction cell body, set up the filler module in reaction cell body and extend to the aeration pipe of filler module bottom, the filler module includes filter plate, lower filter plate and through the fixed filler of upper and lower filter plate centre gripping, go up the assembly of sliding from top to bottom of filter plate relative reaction cell body, filter plate relative reaction cell body fixed mounting down, be provided with flotation pontoon pipe and flotation pontoon in the filler, flotation pontoon pipe and lower filter plate fixed connection, the assembly of sliding from top to bottom of flotation pontoon and flotation pontoon pipe is connected with the intake pipe of taking into the pneumatic valve on the flotation pontoon, go up filter plate and flotation pontoon fixed connection. The utility model provides a biological aerated filter, when the backwash was packed, aerifys in to the flotation pontoon, shifts up through the flotation pontoon drive upper filter plate, makes the packing between upper and lower filter plate be in loose state, and it is convenient for it stirs down and rolls at the backwash water to improve the backwash effect to the packing, guaranteed the abundant of packing backwash.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a top view of a preferred embodiment of the present invention;
fig. 3 is a schematic view of the upper filter plate floating upward.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, the present embodiment discloses an air-float lifting type biological aerated filter with an upper filter plate, which includes a reaction tank body arranged on a base 14, a filler module arranged in the reaction tank body, and an aeration pipe 13 extending to the bottom of the filler module, wherein the filler module includes an upper filter plate 3, a lower filter plate 11, and a filler 7 clamped and fixed by the upper and lower filter plates; the filler 7 is polyurethane filler, and the soft polyurethane filler is used for replacing cobblestone and quartz sand filler, so that the microbial coverage area is increased, the filler volume is adjustable, and impurities are easy to fall during backwashing.
The upper side and the lower side of the filler module respectively form a water inlet area and a water outlet area, and the water inlet area and the water outlet area are respectively connected with a water inlet pipe 1 and a water outlet pipe 8; a backwashing pipe 10 is arranged in the filler, and a backwashing valve 16 is arranged at the water inlet end of the backwashing pipe; the bottom of the packing module is provided with a slag discharge pipe 12, and the slag discharge end of the slag discharge pipe is provided with a slag discharge valve 15.
The upper filter plate 3 is assembled in a vertically sliding mode relative to the reaction tank body, the lower filter plate 11 is fixedly assembled relative to the reaction tank body, a buoy conduit 9 and a buoy 6 are arranged in the filler, the buoy conduit 9 is fixedly connected with the lower filter plate 11, the buoy 6 is assembled with the buoy conduit 9 in a vertically sliding mode, and the buoy conduit 9 can guide the lifting of the buoy 6; the floating cylinder is connected with an air inlet pipe 5 with an air inlet valve 4, and the upper filter plate is fixedly connected with the top of the floating cylinder. The air inlet pipe and the aeration pipe are communicated with an external air source pipeline after being converged by the tee joint.
When the sewage is treated, the sewage enters from the water inlet pipe, flows through the filler module, is biologically filtered by the filler module and then flows out from the water outlet pipe; when the backwashing is needed, as shown in fig. 3, the air inlet valve on the air inlet pipe is opened, the float bowl is inflated through the air inlet pipe, the pressure in the float bowl rises, the backstepping float bowl rises relative to the float bowl guide pipe, the float bowl drives the upper filter plate to float upwards, and generally speaking, the buoyancy generated by the float bowl is more than 2 times of the buoyancy of the upper filter plate. When the upper filter plate floats to a certain height, the gap between the filler between the upper filter plate and the lower filter plate is enlarged and becomes loose, at the moment, the backwashing valve is opened, the water discharged by the backwashing pipe stirs the filler to roll, and impurities and silt on the surface of the filler and between the filler are washed off. And then, opening a slag discharging valve, and discharging the slag-containing wastewater from a slag discharging pipe. And after backwashing is finished, the air inlet valve is closed, the air inlet pipe stops air inlet, the upper filter plate falls down to compress the polyurethane filler, and the operation is circulated.
To sum up, the biological aerated filter of this application aerifys in the flotation pontoon during backwash filler, drives through the flotation pontoon and goes up the filter plate and shift up, makes the filler between upper and lower filter plate be in loose state, and it is convenient for it to stir down at the backwash water and rolls down to improved the backwash effect to the filler, guaranteed the sufficiency of filler backwash.
As a further improvement to the technical scheme, guide rods 2 are arranged at four corners of the reaction tank body, and the upper filter plate 3 penetrates through the guide rods 2 and is assembled with the guide rods in a sliding mode. The guide rod 2 can guide the lifting of the upper filter plate 3. Preferably, the top end of the guide rod 2 is machined with a threaded section fitted with a nut 17. On one hand, the nut can prevent the upper filter plate from slipping off the top of the guide rod when floating upwards, and on the other hand, the position of the nut is adjusted, namely the stroke of the upper filter plate can be adjusted.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The utility model provides an go up filter plate air supporting over-and-under type bological aerated filter, includes reaction tank body, sets up the filler module in reaction tank body and extends to the aeration pipe of filler module bottom, the filler module includes filter plate, lower filter plate and through the fixed filler of upper and lower filter plate centre gripping, its characterized in that: the upper filter plate is assembled in a vertically sliding mode relative to the reaction tank body, the lower filter plate is fixedly assembled relative to the reaction tank body, a float pipe and a float are arranged in the filler, the float pipe is fixedly connected with the lower filter plate, the float and the float pipe are assembled in a vertically sliding mode, an air inlet pipe with an air inlet valve is connected to the float, and the upper filter plate is fixedly connected with the float.
2. The air-float elevating biological aerated filter with upper filter plate as claimed in claim 1, wherein: guide rods are arranged at four corners of the reaction tank body, and the upper filter plate penetrates through the guide rods and is assembled with the guide rods in a sliding mode.
3. An air-flotation lifting type biological aerated filter with an upper filter plate according to claim 2, which is characterized in that: and a threaded section is processed at the top end of the guide rod, and a nut is assembled on the threaded section.
4. The upper filter plate air-float lifting type aeration biological filter tank as claimed in claim 3, wherein: the upper side and the lower side of the filler module respectively form a water inlet area and a water outlet area, and the water inlet area and the water outlet area are respectively connected with a water inlet pipe and a water outlet pipe.
5. The air-float elevating biological aerated filter with upper filter plate as claimed in claim 4, wherein: a backwashing pipe is arranged in the filler, and a backwashing valve is arranged at the water inlet end of the backwashing pipe.
6. An air-flotation lifting type biological aerated filter with an upper filter plate according to claim 5, which is characterized in that: the bottom of the packing module is provided with a slag discharge pipe, and the slag discharge end of the slag discharge pipe is provided with a slag discharge valve.
7. An air-flotation lifting type biological aerated filter with an upper filter plate according to claim 6, which is characterized in that: the air inlet pipe and the aeration pipe are communicated with an external air source pipeline after being converged by the tee joint.
8. An air-flotation lifting type biological aerated filter with an upper filter plate according to claim 7, which is characterized in that: the reaction tank body is arranged on the base.
9. An air-flotation lifting type biological aerated filter with an upper filter plate according to claim 8, which is characterized in that: the filler is a polyurethane filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123013711.7U CN216614156U (en) | 2021-12-02 | 2021-12-02 | Upper filter plate air-floatation lifting type aeration biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123013711.7U CN216614156U (en) | 2021-12-02 | 2021-12-02 | Upper filter plate air-floatation lifting type aeration biological filter |
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| Publication Number | Publication Date |
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| CN216614156U true CN216614156U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123013711.7U Active CN216614156U (en) | 2021-12-02 | 2021-12-02 | Upper filter plate air-floatation lifting type aeration biological filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349155A (en) * | 2022-01-27 | 2022-04-15 | 苏州市苏创环境科技发展有限公司 | Biological filter equipment and backwashing process thereof |
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2021
- 2021-12-02 CN CN202123013711.7U patent/CN216614156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349155A (en) * | 2022-01-27 | 2022-04-15 | 苏州市苏创环境科技发展有限公司 | Biological filter equipment and backwashing process thereof |
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