Multifunctional biological aerated filter sewage treatment device
By introducing water distribution and backwashing mechanisms into the aerated biological filter, the problem of filter media clogging is solved, achieving efficient wastewater treatment and long service life of the filter media, thus improving the effectiveness of wastewater treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-03-24
AI Technical Summary
The filter media in existing aerated biological filters is prone to clogging, resulting in poor backwashing performance, which affects service life and treatment efficiency.
A multifunctional aerated biological filter wastewater treatment device was designed, comprising a water distribution mechanism, a backwashing mechanism, and an aeration mechanism. Through uniform water distribution, all-round rinsing, and efficient aeration, the device enhances the contact between wastewater and filter media, preventing filter media clogging.
It improves wastewater treatment efficiency and quality, extends the service life of filter media, and enhances the operational stability of the device.
Smart Images

Figure CN224030776U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially relates to a multifunctional aeration biological filter sewage treatment device. BACKGROUND
[0002] With the rapid development of industry and the acceleration of urbanization, the sewage discharge is increasing, and the importance of sewage treatment is increasingly prominent. As a kind of efficient sewage treatment technology, aeration biological filter is widely used in the field of sewage treatment.
[0003] But in the prior art, aeration biological filter still has some deficiencies in actual operation, backwashing effect is not ideal, cannot thoroughly remove the impurities on the surface of filter material, affects the service life of filter tank, filter material is easy to block, causes water flow resistance to increase, and treatment efficiency is reduced, therefore, a multifunctional aeration biological filter sewage treatment device is provided. UTILITY MODEL CONTENT
[0004] The utility model discloses a multifunctional aeration biological filter sewage treatment device to solve the problems of filter material easy to block and poor backwashing effect in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional aeration biological filter sewage treatment device, including the treatment box, the inside of treatment box is sequentially provided with water distribution mechanism, filter material mechanism, backwashing mechanism and aeration mechanism from top to bottom, water distribution mechanism includes the communication seat, and the upper end of treatment box is installed with the connecting pipe, and the outer wall of communication seat is fixedly installed with multiple groups of water outlet pipes, and the outer wall of each group of water outlet pipes is fixedly installed with multiple groups of spray heads.
[0006] Backwashing mechanism includes water pump, and the inside of treatment box is provided with large circular ring flushing pipe, and the middle of large circular ring flushing pipe is provided with small circular ring flushing pipe, and the water outlet end of water pump is fixedly installed with special-shaped connector pipe, and the outer wall of large circular ring flushing pipe and small circular ring flushing pipe is fixedly installed with rotating spraying assembly, and the middle of large circular ring flushing pipe and small circular ring flushing pipe is fixedly connected with long tube.
[0007] Preferably, the lower end of the connecting pipe is fixed with the upper end of the communication seat, and the communication seat is arranged in the inside of the treatment box.
[0008] Preferably, the outer wall of the large circular ring flushing pipe is fixedly installed with two groups of stabilizing rods, and the bottom of the treatment box is fixedly installed with a supporting plate.
[0009] Preferably, the middle of the large circular ring flushing pipe and the small circular ring flushing pipe is fixedly installed with two groups of connecting rods, and the other end of the two groups of stabilizing rods is fixed with the inner wall of the treatment box.
[0010] Preferably, the other end of the special-shaped connecting pipe penetrates through the outer wall of the treatment box and is fixed to the open end of the outer wall of the large circular ring flushing pipe, and the lower end of the water pump is fixed to the upper end of the supporting plate.
[0011] Preferably, a drain pipe is mounted at the lower end of the treatment box, and the outer wall of the filter material mechanism is fixed to the inner wall of the treatment box.
[0012] Preferably, the aeration mechanism is installed in the interior of the treatment box, and a part of the aeration pipe in the aeration mechanism penetrates to the outside of the treatment box.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that:
[0014] 1、In the utility model, through setting water distribution mechanism, under the cooperation of communication seat, multiple water outlet pipes and multiple spray heads, the sewage entering the interior of the treatment box can be guided, so that the sewage can evenly fall on the filter material mechanism, and then the sewage can evenly fall on the filter material mechanism, thereby greatly increasing the contact area of the sewage and the surface of the filter material mechanism, so that the pollutants in the sewage can more efficiently contact the microorganisms attached to the surface of the filter material mechanism, and then the efficiency and quality of the sewage treatment are improved.
[0015] 2、In the utility model, through setting backwashing mechanism, under the action of water pressure, multiple rotating spraying assemblies are powered to rotate 360 degrees and spray high-pressure water flow, so that the filter material mechanism can be washed in all directions, impurities on the surface of the filter material mechanism are effectively removed, the filter material mechanism is prevented from being blocked, the service life of the filter material mechanism is prolonged, and the operation stability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic view of a multifunctional biological aerated filter sewage treatment device is provided for the utility model;
[0017] Figure 2 An internal structure schematic view of a treatment box of a multifunctional biological aerated filter sewage treatment device is provided for the utility model;
[0018] Figure 3 A structure schematic view of a water distribution mechanism of a multifunctional biological aerated filter sewage treatment device is provided for the utility model;
[0019] Figure 4 A structure schematic view of a backwashing mechanism in a multifunctional biological aerated filter sewage treatment device is provided for the utility model.
[0020] Legend: 1. Treatment box; 11. Drain pipe; 12. Filter media mechanism; 13. Aeration mechanism; 2. Water distribution mechanism; 21. Connecting pipe; 22. Water outlet pipe; 23. Connecting seat; 24. Sprayer head; 3. Backwashing mechanism; 31. Water pump; 32. Large circular flushing pipe; 33. Stabilizing rod; 34. Support plate; 35. Small circular flushing pipe; 36. Irregularly shaped connecting pipe; 37. Rotary spray assembly; 38. Connecting rod. Detailed Implementation
[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0023] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a multifunctional aerated biological filter wastewater treatment device, including a treatment tank 1. The inside of the treatment tank 1 is arranged from top to bottom as follows: a water distribution mechanism 2, a filter media mechanism 12, a backwashing mechanism 3, and an aeration mechanism 13. The water distribution mechanism 2 includes a connecting seat 23. A connecting pipe 21 is installed through the upper end of the treatment tank 1. Multiple sets of water outlet pipes 22 are fixedly installed on the outer wall of the connecting seat 23. Multiple sets of nozzles 24 are fixedly installed on the outer wall of each set of water outlet pipes 22. The lower end of the connecting pipe 21 is fixed to the upper end of the connecting seat 23, and the connecting seat 23 is located inside the treatment tank 1.
[0024] The backwashing mechanism 3 includes a water pump 31. A large circular flushing pipe 32 is installed inside the treatment tank 1. A small circular flushing pipe 35 is installed in the middle of the large circular flushing pipe 32. A special-shaped connector 36 is fixedly installed at the outlet end of the water pump 31. Rotary spraying components 37 are fixedly installed on the outer walls of both the large circular flushing pipe 32 and the small circular flushing pipe 35. A long pipe is fixedly connected between the large circular flushing pipe 32 and the small circular flushing pipe 35. Two sets of stabilizing rods 33 are fixedly installed on the outer wall of the large circular flushing pipe 32. A support plate 34 is fixedly installed at the bottom of the treatment tank 1. Two sets of connecting rods 38 are fixedly installed between the large circular flushing pipe 32 and the small circular flushing pipe 35. The other ends of the two sets of stabilizing rods 33 are fixed to the inner wall of the treatment tank 1. The other end of the special-shaped connector 36 penetrates the outer wall of the treatment tank 1 and is fixed to the open end of the outer wall of the large circular flushing pipe 32. The lower end of the water pump 31 is fixed to the upper end of the support plate 34.
[0025] The specific settings and effects of the embodiment will be described below. The communication seat 23 is directly connected to the sewage inlet pipeline. When sewage flows into the communication seat 23 from the inlet pipeline, a plurality of water outlet pipes 22 are uniformly connected to the outer wall of the communication seat 23, which extends uniformly from the edge of the cavity of the communication seat 23. The diameter of the water outlet pipe 22 is accurately calculated and designed according to the coverage area of the filter material mechanism 12 and the expected water distribution uniformity, so as to ensure that the sewage flow carried by each group of water outlet pipes 22 is approximately equal. The outer wall of each group of water outlet pipes 22 is provided with a plurality of spray heads 24, and the distribution of the spray heads 24 is strictly planned to completely match the surface of the filter material mechanism 12, so as to ensure that each filter material area can be covered by the spray head 24, thereby greatly increasing the contact area between the sewage and the filter material surface, so that the pollutants in the sewage can more efficiently contact the microorganisms attached to the filter material surface, thereby improving the efficiency and quality of sewage treatment.
[0026] The special-shaped connecting pipe 36 is connected to the outlet end of the water pump 31, the other end of the special-shaped connecting pipe 36 is connected to the large circular ring flushing pipe 32, and the small circular ring flushing pipe 35 is connected to the large circular ring flushing pipe 32 through the long pipe. A plurality of rotating spray assemblies 37 are connected to the upper ends of the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35. Under the action of the water pump 31, external water is introduced into the inside of the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35 through the special-shaped connecting pipe 36 and the long pipe, and is input into the inside of the plurality of rotating spray assemblies 37. Under the action of water pressure, power is provided for the plurality of rotating spray assemblies 37, so that the plurality of rotating spray assemblies 37 rotate by 360 degrees and spray high-pressure water flow, so as to perform omnidirectional flushing on the filter material mechanism 12, effectively remove impurities on the surface of the filter material mechanism 12, prevent the filter material mechanism 12 from being blocked, prolong the service life of the filter material mechanism 12, and improve the operation stability of the device.
[0027] Two groups of stabilizing rods 33 are installed on the outer wall of the large circular ring flushing pipe 32, and the other ends of the two groups of stabilizing rods 33 are fixed to the inner wall of the treatment box 1. The two ends of the two groups of connecting rods 38 are fixed to the outer walls of the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35, respectively. Thus, the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35 can be supported to improve the stability of the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35 during use. The support plate 34 can provide support for the water pump 31.
[0028] Embodiment two: as shown in Figure 1 and Figure 2 , the lower end of the treatment box 1 is provided with a drain pipe 11, the outer wall of the filter material mechanism 12 is fixed to the inner wall of the treatment box 1, the aeration mechanism 13 is installed in the inside of the treatment box 1, and a part of the aeration pipe in the aeration mechanism 13 penetrates to the outside of the treatment box 1.
[0029] The whole embodiment achieves the effect that by optimizing the structure of the filter material mechanism 12, adopting the filter material with multiple layers and different particle sizes, the sewage treatment efficiency is improved.
[0030] The aeration mechanism 13 is located below the filter material mechanism 12, the aeration mechanism 13 comprises an aeration pipe and aeration heads, the aeration pipe is connected with an external air source, and the aeration heads are uniformly distributed on the aeration pipe, for providing sufficient oxygen for the filter material mechanism 12 and promoting the metabolism of the microorganisms.
[0031] The upper part of the drain pipe 11 is installed through the inside of the treatment tank 1, so as to facilitate the discharge of the treated sewage in the treatment tank 1.
[0032] The use method and working principle of the device are as follows: firstly, the connecting pipe 21 is connected with an external sewage pipe, the aeration pipe in the aeration mechanism 13 is connected with an external air source, and an external water source pipe is connected with the water inlet end of the water pump 31; then, the aeration mechanism 13 is controlled to operate; the sewage enters the inside of the water distribution mechanism 2 through the connecting pipe 21, is sprayed out through the multiple groups of spray heads 24, and is uniformly sprayed on the surface of the filter material mechanism 12; under the action of gravity, the sewage flows downward through the filter material mechanism 12; under the action of the oxygen provided by the aeration mechanism 13, the microorganisms attached to the surface of the filter material mechanism 12 decompose the organic matters, ammonia nitrogen and other pollutants in the sewage into carbon dioxide, water and nitrogen and other harmless substances; the treated water is discharged through the drain pipe 11; finally, when it is necessary to clean the filter material mechanism 12, water is pumped into the inside of the special-shaped connecting pipe 36 and the long pipe from the external water source through the water pump 31, and then enters the inside of the multiple groups of rotating spraying assemblies 37 through the large circular ring flushing pipe 32 and the small circular ring flushing pipe 35; under the action of water pressure, the multiple groups of rotating spraying assemblies 37 spray high-pressure water flow to the filter material mechanism 12 to flush the filter material mechanism 12; the flushed sewage is discharged through the drain pipe 11; after the backwashing is completed, the device resumes normal operation.
[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the above embodiments according to the technical essence of the present application still falls within the protection scope of the technical scheme of the present application.
Claims
1. A multifunctional aerated biological filter wastewater treatment device, comprising a treatment tank (1), characterized in that: The inside of the treatment tank (1) is arranged from top to bottom as follows: water distribution mechanism (2), filter media mechanism (12), backwashing mechanism (3) and aeration mechanism (13). The water distribution mechanism (2) includes a connecting seat (23). A connecting pipe (21) is installed through the upper end of the treatment tank (1). Multiple sets of water outlet pipes (22) are fixedly installed on the outer wall of the connecting seat (23). Multiple sets of nozzles (24) are fixedly installed on the outer wall of each set of water outlet pipes (22). The backwashing mechanism (3) includes a water pump (31), a large circular flushing pipe (32) is provided inside the treatment tank (1), a small circular flushing pipe (35) is provided in the middle of the large circular flushing pipe (32), a special-shaped connector (36) is fixedly installed at the outlet end of the water pump (31), a rotating spray assembly (37) is fixedly installed on the outer wall of both the large circular flushing pipe (32) and the small circular flushing pipe (35), and a long pipe is fixedly connected in the middle of the large circular flushing pipe (32) and the small circular flushing pipe (35).
2. The multifunctional aerated biological filter wastewater treatment device according to claim 1, characterized in that: The lower end of the connecting pipe (21) is fixed to the upper end of the connecting seat (23), and the connecting seat (23) is located inside the processing box (1).
3. The multifunctional aerated biological filter wastewater treatment device according to claim 1, characterized in that: Two sets of stabilizing rods (33) are fixedly installed on the outer wall of the large circular flushing pipe (32), and a support plate (34) is fixedly installed at the bottom of the treatment box (1).
4. The multifunctional aerated biological filter wastewater treatment device according to claim 3, characterized in that: Two sets of connecting rods (38) are fixedly installed in the middle of the large circular flushing pipe (32) and the small circular flushing pipe (35), and the other ends of the two sets of stabilizing rods (33) are fixed to the inner wall of the treatment box (1).
5. A multifunctional aerated biological filter wastewater treatment device according to claim 4, characterized in that: The other end of the irregular-shaped connector (36) passes through the outer wall of the treatment box (1) and is fixed to the outer wall opening of the large circular flushing pipe (32). The lower end of the water pump (31) is fixed to the upper end of the support plate (34).
6. The multifunctional aerated biological filter wastewater treatment device according to claim 1, characterized in that: A drain pipe (11) is installed through the lower end of the treatment box (1), and the outer wall of the filter material mechanism (12) is fixed to the inner wall of the treatment box (1).
7. The multifunctional aerated biological filter wastewater treatment device according to claim 1, characterized in that: The aeration mechanism (13) is installed inside the treatment box (1), and a portion of the aeration pipe in the aeration mechanism (13) extends to the outside of the treatment box (1).