Sewage treatment device of biological aerated filter
By introducing stirring structures such as jet boxes, cylinders and paddles into the aerated biological filter, the rising speed of bubbles is slowed down, the problem of rapid bubble rise in the aerated biological filter is solved, and the dissolved oxygen effect of sewage and the efficiency of microbial cultivation are improved.
Patent Information
- Application Number
- CN202422413212.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-08
AI Technical Summary
In the existing aerated biological filter sewage treatment device, the aeration bubbles rise quickly during use, resulting in poor sewage dissolved oxygen effect, affecting microbial culture and sewage treatment efficiency.
A stirring structure including a jet box, a cylinder, a paddle and a brush plate was designed. Fine bubbles were generated through an air pump and an air duct system, and the paddle and brush plate were used to slow down the rising speed of the bubbles. At the same time, a motor-driven cylinder and bevel gear system were combined for stirring to improve the dissolved oxygen effect of sewage.
It effectively slows down the rising speed of bubbles, improves the dissolved oxygen effect of sewage, is conducive to microbial cultivation, and improves the efficiency of sewage treatment.
Smart Images

Figure CN223316500U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment, in particular to a biological aeration filter sewage treatment device. Background Art
[0002] The aerated biological filter is an organic combination of sewage biodegradation and physical filtration through filling filter media and aeration. The aerated biological filter uses microorganisms to degrade pollutants and effectively remove organic matter, ammonia nitrogen and other pollutants in wastewater. It has the advantages of high treatment efficiency, small footprint, and stable operation. It is widely used in urban sewage treatment and industrial wastewater treatment. The current aerated biological filter sewage treatment device mainly includes an aeration mechanism, a biological treatment and filtration mechanism, and an inlet and outlet structure. The prior art discloses an energy-saving aerated biological filter sewage treatment device with an authorization announcement number of CN212924652U, which includes The invention relates to a treatment box, wherein a stirring box is fixedly connected to the top of the inner cavity of the treatment box, a feed hopper is installed on the top of one side of the treatment box, a first air port is opened on both sides of the top of the stirring box, a water inlet pipe is fixedly connected to the top of the treatment box, the bottom end of the water inlet pipe passes through and extends to the interior of the stirring box, and a sedimentation box is installed in the middle of the inner cavity of the treatment box. The energy-saving aerated biological filter sewage treatment device effectively improves the mixing and stirring effect of the sewage in the stirring box, and the mixing is more thorough and uniform, and the stirring efficiency is high. It can achieve the required mixing effect in a shorter time, so that the purification efficiency of the agent for sewage is higher, and the efficiency of sewage treatment is greatly improved. However, it is found in the use of the existing aerated biological filter sewage treatment device that it is not convenient to stir the aeration bubbles, and the bubble rises quickly, which is not conducive to improving the dissolved oxygen effect of sewage and the cultivation of microorganisms, which brings a lot of trouble to the aeration treatment of sewage. Utility Model Content
[0003] In response to the above problems, the purpose of the present utility model is to provide an aerated biological filter sewage treatment device, which is convenient for stirring the aeration bubbles, can effectively slow down the rising speed of the bubbles, is beneficial to improving the dissolved oxygen effect of sewage, is beneficial to the cultivation of microorganisms, brings great convenience to the aeration treatment of sewage, and solves the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows: an aerated biological filter sewage treatment device, comprising a tank body with an opening at the top, a horizontal plate fixedly installed in the tank body, a jet box fixedly installed on the top of the horizontal plate, a plurality of evenly arranged jet holes are penetrated on the top inner wall of the jet box, a cylinder is rotatably installed in the tank body, a plurality of evenly arranged paddle plates are fixedly installed on the inner walls of both sides of the cylinder, a brush plate is fixedly installed in the cylinder, the brush plate is in contact with the top of the jet box, an air pump is provided on one side of the tank body, and a first air guide pipe is provided on the air pump. One end of the first air duct extends into the tank body, a plurality of second air ducts are fixed to and connected with the bottom of the jet box, the bottom ends of the second air ducts are fixed to and connected with the first air duct, a liquid inlet pipe is provided on one side of the tank body, a bearing mesh plate located above the cylinder is fixedly installed in the tank body, a filter material is provided on the top of the bearing mesh plate, a liquid discharge pipe adapted to the filter material is provided on one side of the tank body, an annular bevel gear is fixedly installed on the top of the cylinder, a motor is provided on one side of the tank body, an output shaft of the motor extends into the tank body and is provided with a bevel gear, and the bevel gear is meshed with the annular bevel gear.
[0005] To facilitate quick replacement of filter media:
[0006] As a further improvement of the above technical solution: the tank body also includes a mesh barrel, the mesh barrel is arranged on the top of the supporting mesh plate, the filter material is located in the mesh barrel, the top of the tank body is provided with a cover plate, the tank body is fixedly sleeved with an annular clamp in contact with the bottom of the cover plate, the annular clamp is penetrated by a plurality of clamping holes arranged in a circular array, a clamping plate is fixedly installed in the clamping hole, the clamping plate is fixed to the bottom of the cover plate, a circular groove is opened on the inner wall of one side of the clamping hole, an internal threaded barrel is slidably installed in the circular groove, the internal threaded barrel slides through the corresponding clamping plate, and a screw is installed on the internal thread of the internal threaded barrel.
[0007] The beneficial effect of this improvement is that, through such an arrangement, the tank body can be opened and closed quickly, thereby facilitating the rapid replacement of the filter material, thereby effectively ensuring the filtering effect on sewage.
[0008] In order to facilitate the limitation of the output shaft of the motor:
[0009] As a further improvement of the above technical solution: a first through hole is passed through the inner wall of one side of the tank body, and the output shaft of the motor rotates and passes through the first through hole.
[0010] The beneficial effect of this improvement is that by providing the first through hole, it is convenient to limit the output shaft of the motor.
[0011] To prevent the tank from leaking:
[0012] As a further improvement of the above technical solution: a sealing ring is fixedly installed in the first through hole, and the sealing ring is rotatably sleeved on the output shaft of the motor.
[0013] The beneficial effect of this improvement is that the sealing ring is provided to prevent the tank from leaking.
[0014] To prevent the tank from leaking:
[0015] As a further improvement of the above technical solution: an annular sealing gasket is fixedly installed on the top of the tank body, and the annular sealing gasket is in contact with the cover plate.
[0016] The beneficial effect of this improvement is that by providing an annular sealing gasket, water leakage of the tank body can be prevented.
[0017] In order to facilitate the internal threaded barrel to lock the card:
[0018] As a further improvement of the above technical solution: a second through hole is passed through the clamping plate, and the internal threaded barrel slides through the second through hole.
[0019] The beneficial effect of this improvement is that by providing the second through hole, the internal threaded barrel can be easily locked on the clamping plate.
[0020] In order to facilitate the support and limitation of the screw rod:
[0021] As a further improvement of the above technical solution: a third through hole is passed through the inner wall of one side of the circular groove, and the screw rod rotates and passes through the third through hole.
[0022] The beneficial effect of this improvement is that by providing the third through hole, it is convenient to support and limit the screw rod.
[0023] In order to facilitate the limitation of the internal threaded barrel:
[0024] As a further improvement of the above technical solution: a limiting groove is provided on the inner wall of the bottom of the circular groove, a limiting block is slidably installed in the limiting groove, and the limiting block is fixed on the internal threaded cylinder.
[0025] The beneficial effect of this improvement is that by providing the limiting groove and the limiting block, it is convenient to limit the internal threaded barrel.
[0026] The beneficial effects of the utility model are: through a simple stirring structure, it is easy to stir the aeration bubbles, thereby effectively slowing down the rising speed of the bubbles, which is beneficial to improving the dissolved oxygen effect of sewage, facilitating the cultivation of microorganisms, and bringing great convenience to the aeration treatment of sewage. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0028] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A;
[0029] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure of part B;
[0030] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional assembly structure of the cylinder, the paddle plate and the brush plate in the utility model;
[0031] Figure 5 For this utility model Figure 1 Schematic diagram of the enlarged structure of part C;
[0032] Figure 6 It is a schematic diagram of the top structure of the annular clamp in the utility model.
[0033] In the figure: 1. Tank body; 2. Horizontal plate; 3. Jet box; 4. Jet hole; 5. Cylinder; 6. Paddle plate; 7. Brush plate; 8. Air pump; 9. First air duct; 10. Second air duct; 11. Liquid inlet pipe; 12. Carrying mesh plate; 13. Filter material; 14. Liquid discharge pipe; 15. Ring bevel gear; 16. Motor; 17. Bevel gear; 18. Net barrel; 19. Cover plate; 20. Ring clamp; 21. Clamp hole; 22. Clamp plate; 23. Circular groove; 24. Internally threaded barrel; 25. Screw. DETAILED DESCRIPTION
[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.
[0035] like Figure 1-6As shown, a biological aerated filter sewage treatment device comprises a tank body 1 with an opening at the top, a horizontal plate 2 is fixedly installed in the tank body 1, a jet box 3 is fixedly installed on the top of the horizontal plate 2, a plurality of evenly arranged jet holes 4 are penetrated on the top inner wall of the jet box 3, a cylinder 5 is rotatably installed in the tank body 1, a plurality of evenly arranged paddle plates 6 are fixedly installed on the inner walls on both sides of the cylinder 5, a brush plate 7 is fixedly installed in the cylinder 5, the brush plate 7 is in contact with the top of the jet box 3, an air pump 8 is provided on one side of the tank body 1, a first air duct 9 is provided on the air pump 8, one end of the first air duct 9 extends into the tank body 1, a plurality of second air ducts 10 are fixed and connected to the bottom of the jet box 3, and the second air ducts The bottom end of 10 is fixed on the first air guide pipe 9 and is connected thereto. A liquid inlet pipe 11 is provided on one side of the tank body 1. A bearing mesh plate 12 located above the cylinder 5 is fixedly installed in the tank body 1. A filter material 13 is provided on the top of the bearing mesh plate 12. A discharge pipe 14 adapted to the filter material 13 is provided on one side of the tank body 1. A ring bevel gear 15 is fixedly installed on the top of the cylinder 5. A motor 16 is provided on one side of the tank body 1. The output shaft of the motor 16 extends into the tank body 1 and is provided with a bevel gear 17. The bevel gear 17 is meshed with the ring bevel gear 15. Through a simple stirring structure, it is easy to stir the aeration bubbles, thereby effectively slowing down the rising speed of the bubbles, which is beneficial to improving the dissolved oxygen effect of sewage and facilitating the cultivation of microorganisms. , which brings great convenience to the aeration treatment of sewage. The tank body 1 also includes a net barrel 18, which is arranged on the top of the supporting mesh plate 12, and the filter material 13 is located in the net barrel 18. The top of the tank body 1 is provided with a cover plate 19, and the tank body 1 is fixedly sleeved with an annular clamp 20 in contact with the bottom of the cover plate 19. The annular clamp 20 is penetrated by a plurality of card holes 21 arranged in a circular array, and a card plate 22 is fixedly installed in the card hole 21. The card plate 22 is fixed to the bottom of the cover plate 19. A circular groove 23 is opened on the inner wall of one side of the card hole 21, and an internal threaded barrel 24 is slidably installed in the circular groove 23. The internal threaded barrel 24 slides through the corresponding card plate 22, and the internal thread of the internal threaded barrel 24 is threaded with a screw 25 , by such a configuration, it is convenient to quickly open and close the tank body 1, thereby facilitating the rapid replacement of the filter material 13, and thus effectively ensuring the filtering effect of the sewage, a first through hole is penetrated on the inner wall of one side of the tank body 1, and the output shaft of the motor 16 rotates and penetrates the first through hole. By providing the first through hole, it is convenient to limit the output shaft of the motor 16, and a sealing ring is fixedly installed in the first through hole. The sealing ring is rotatably sleeved on the output shaft of the motor 16. By providing the sealing ring, it is convenient to prevent the tank body 1 from leaking. An annular sealing gasket is fixedly installed on the top of the tank body 1, and the annular sealing gasket is in contact with the cover plate 19. By providing the annular sealing gasket, it is possible to prevent the tank body 1 from leaking. A second through hole is penetrated on the card plate 22,The internally threaded barrel 24 slides through the second through-hole. By providing the second through-hole, the internally threaded barrel 24 can lock the clamping plate 22. A third through-hole is provided on the inner wall of one side of the circular groove 23. The screw rod 25 rotates through the third through-hole. By providing the third through-hole, it is convenient to support and limit the screw rod 25. A limiting groove is provided on the inner wall of the bottom of the circular groove 23. A limiting block is slidably installed in the limiting groove. The limiting block is fixed to the internally threaded barrel 24. By providing the limiting groove and the limiting block, it is convenient to limit the position of the internally threaded barrel 24.
[0036] The working principle of the utility model is as follows: when in use, first pour sewage into the tank body 1 through the liquid inlet pipe 11, turn on the motor 16, the output shaft of the motor 16 drives the bevel gear 17 to rotate, the bevel gear 17 drives the annular bevel gear 15 to rotate, the annular bevel gear 15 drives the cylinder 5 to rotate, the cylinder 5 drives the brush plate 7 and multiple paddles 6 to rotate, the paddles 6 stir the sewage, and then turn on the air pump 8, the air pump 8 pours oxygen into the jet box 3 through the first air duct 9 and the second air duct 10, and then the oxygen is ejected through the multiple jet holes 4 and forms a large number of fine bubbles in the sewage, the bubbles slow down their rising speed under the stirring of the multiple paddles 6, and at the same time the cylinder 5 drives the brush plate 7 to brush off the sediment on the top of the jet box 3, and the oxygen dissolves in the sewage, so that the sewage is oxidized, and the oxidized sewage passes through the supporting mesh plate 12 and the mesh barrel 18 into the filter material 13, and the filter material 13 filters the sewage to treat the oxygen-enriched sewage The water is discharged through the drain pipe 14 for subsequent biological treatment. This arrangement facilitates the stirring of the aeration bubbles, thereby effectively slowing down the rising speed of the bubbles, which is beneficial to improving the dissolved oxygen effect of sewage and the cultivation of microorganisms, bringing great convenience to the aeration treatment of sewage. When the filter material 13 needs to be replaced, first rotate the multiple screw rods 25, and the screw rods 25 drive the internal threaded barrel 24 to slide out of the corresponding card plate 22, so that the fixation of the card plate 22 is released, and then the cover plate 19 is lifted, so that the multiple card plates 22 slide out of the corresponding card holes 21 respectively, and the cover plate 19 is removed. Then the net barrel 18 is lifted out of the tank body 1, and then the filter material 13 in the net barrel 18 can be replaced. This arrangement facilitates the rapid opening and closing of the tank body 1, thereby facilitating the rapid replacement of the filter material 13, thereby effectively ensuring the filtering effect of sewage.
[0037] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of the present invention. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements, modifications or changes can be made, and the above technical features can be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should all be regarded as the scope of protection of the present invention.
Claims
1. A biological aeration filter sewage treatment device, comprising a tank body (1) with an opening at the top, characterized in that: A horizontal plate (2) is fixedly installed in the tank body (1), a jet box (3) is fixedly installed on the top of the horizontal plate (2), and a plurality of uniformly arranged jet holes (4) are penetrated on the inner wall of the top of the jet box (3). A cylinder (5) is rotatably installed in the tank body (1), and a plurality of uniformly arranged paddles (6) are fixedly installed on the inner walls of both sides of the cylinder (5). A brush plate (7) is fixedly installed in the cylinder (5), and the brush plate (7) contacts the top of the jet box (3). An air pump (8) is provided on one side of the tank body (1), and a first air guide pipe (9) is provided on the air pump (8). One end of the first air guide pipe (9) extends into the tank body (1). The bottom of the jet box (3) is fixed and connected with a plurality of A second air guide pipe (10), the bottom end of which is fixed on the first air guide pipe (9) and communicated with the first air guide pipe (9), a liquid inlet pipe (11) is provided on one side of the tank body (1), a supporting mesh plate (12) located above the cylinder (5) is fixedly installed in the tank body (1), a filter material (13) is provided on the top of the supporting mesh plate (12), a liquid discharge pipe (14) adapted to the filter material (13) is provided on one side of the tank body (1), a ring bevel gear (15) is fixedly installed on the top of the cylinder (5), a motor (16) is provided on one side of the tank body (1), an output shaft of the motor (16) extends into the tank body (1) and is provided with a bevel gear (17), and the bevel gear (17) is meshed with the ring bevel gear (15).
2. The biological aeration filter sewage treatment device according to claim 1, characterized in that: The tank body (1) further comprises a net barrel (18), the net barrel (18) being arranged on the top of the supporting mesh plate (12), the filter material (13) being located in the net barrel (18), the top of the tank body (1) being provided with a cover plate (19), the tank body (1) being fixedly sleeved with an annular clamp (20) in contact with the bottom of the cover plate (19), the annular clamp (20) being penetrated by a plurality of clamping holes (21) arranged in an annular array, a clamping plate (22) being fixedly installed in the clamping hole (21), the clamping plate (22) being fixed to the bottom of the cover plate (19), a circular groove (23) being provided on the inner wall of one side of the clamping hole (21), an internal threaded barrel (24) being slidably installed in the circular groove (23), the internal threaded barrel (24) being slidably penetrated by the corresponding clamping plate (22), and a screw rod (25) being internally threadedly installed in the internal threaded barrel (24).
3. The biological aeration filter sewage treatment device according to claim 1, characterized in that: A first through hole is formed on the inner wall of one side of the tank body (1), and the output shaft of the motor (16) rotates and passes through the first through hole.
4. The biological aeration filter sewage treatment device according to claim 3, characterized in that: A sealing ring is fixedly installed in the first through hole, and the sealing ring is rotatably sleeved on the output shaft of the motor (16).
5. The biological aeration filter sewage treatment device according to claim 2, characterized in that: An annular sealing gasket is fixedly mounted on the top end of the tank body (1), and the annular sealing gasket is in contact with the cover plate (19).
6. The biological aeration filter sewage treatment device according to claim 2, characterized in that: A second through hole is passed through the clamping plate (22), and the internal threaded cylinder (24) slides through the second through hole.
7. The biological aeration filter sewage treatment device according to claim 2, characterized in that: A third through hole is formed on one inner wall of the circular groove (23), and the screw rod (25) rotates and passes through the third through hole.
8. The biological aeration filter sewage treatment device according to claim 2, characterized in that: A limiting groove is provided on the inner wall of the bottom of the circular groove (23), a limiting block is slidably installed in the limiting groove, and the limiting block is fixed on the internal threaded cylinder (24).
Citation Information
Patent Citations
Energy-saving sewage treatment device for biological aerated filter
CN212924652U