Sewage aeration device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage aeration device, which comprises an aeration box, a filter screen, an aerator, a breather pipe, a stirring mechanism and a catalyzing mechanism, the filter screen is fixedly mounted at the top of an inner cavity of the aeration box, the aerator is mounted at the top end of the aeration box, and an output end of the aerator is connected with the breather pipe. The other end of the ventilation pipe extends into the aeration box, the stirring mechanism comprises a stirring shaft, a driving assembly and a plurality of stirring blades, the catalysis mechanism comprises a conveying pipe, a conveying assembly and a transmission assembly, and the catalysis mechanism is arranged, so that a catalyst stored in the storage box can be uniformly sprayed into the aeration box through a plurality of spray heads; oxygen can be dispersed in water in a bubble form, or water flow can be dispersed into water drops or water films in the oxygen, so that the contact area of the water and the oxygen is increased, the aeration time is prolonged, and the aeration effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage aeration device. Background Art

[0002] During the sewage treatment process, certain methods and equipment are used to force air into the sewage, so that the sewage in the pool comes into contact with the air and is oxygenated, and the liquid is stirred to accelerate the transfer of oxygen in the air to the liquid, preventing suspended objects in the pool from sinking, and strengthening the contact between organic matter in the pool and microorganisms and dissolved oxygen, thereby oxidizing and decomposing the organic matter in the sewage. This process of forcing oxygen into the sewage is called aeration.

[0003] The existing sewage aeration device has the following shortcomings:

[0004] Before sewage aeration, it is impossible to initially filter out larger impurities in the sewage, which will affect the subsequent aeration effect;

[0005] The existing sewage aeration can only accelerate the transfer of oxygen into the liquid through stirring, but cannot increase the contact area between sewage and oxygen, thereby failing to extend the aeration time and reducing the aeration effect.

[0006] To solve this problem, a sewage aeration device is now provided. Summary of the invention

[0007] The purpose of the utility model is to provide a sewage aeration device to solve the problems raised in the above background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A sewage aeration device comprises an aeration box, a sewage inlet is arranged at the top of the aeration box, two sewage outlets are arranged at the bottom of the aeration box, a filter screen, an aerator, a vent pipe, a stirring mechanism and a catalytic mechanism;

[0010] The filter is fixedly installed on the top of the inner cavity of the aeration box, the aerator is installed on the top of the aeration box, the output end of the aerator is connected to the ventilation pipe, and the other end of the ventilation pipe extends into the interior of the aeration box;

[0011] The stirring mechanism includes a stirring shaft, a driving assembly and a plurality of stirring blades. The stirring shaft passes through the middle of the filter screen and both ends are rotatably connected to the aeration box through bearings. The driving assembly is installed at the top of the aeration box and connected to the stirring shaft. The plurality of stirring blades are located below the filter screen and are equidistantly fixed to the surface of the stirring shaft.

[0012] The catalytic mechanism includes a delivery pipe, a delivery assembly and a transmission assembly. The delivery assembly is installed at the top of the aeration box. One end of the delivery assembly is connected to the delivery pipe, and the other end of the delivery pipe extends into the interior of the aeration box. The transmission assembly is located between the delivery assembly and the stirring shaft.

[0013] As a further solution of the utility model: a plurality of air outlet holes are equidistantly arranged on one side of the ventilation pipe close to the delivery pipe, each of which is connected to the ventilation pipe; a plurality of nozzles are equidistantly arranged on one side of the delivery pipe close to the ventilation pipe, each of which is connected to the delivery pipe.

[0014] As a further solution of the utility model: the driving assembly includes a second gear, a third gear and a motor, the top end of the stirring shaft passes through the aeration box and is fixedly connected to the second gear, the motor is installed at the top end of the aeration box, the third gear is installed at the output end of the motor, and the third gear and the second gear are meshed with each other.

[0015] As a further solution of the utility model: the transmission assembly includes a driving wheel, a driven wheel, a belt and a first gear, the first gear is rotatably arranged at the top of the aeration box, the driven wheel is coaxially arranged with the first gear and fixed above the first gear, the driving wheel is coaxially arranged with the second gear and fixed above the second gear, and the belt is sleeved on the driven wheel and the driving wheel.

[0016] As a further solution of the utility model: the conveying assembly includes a storage box, a piston, a push rod, a rack and a guide rail. The storage box is fixedly installed on the top of the aeration box, one end of the conveying pipe is connected to the output end of the storage box, the piston is slidably arranged inside the storage box, the guide rail is fixedly installed on the top of the aeration box, the push rod is slidably arranged inside the guide rail, one end of the push rod passes through the storage box and is fixedly connected to the piston, and a rack is provided on the side of the push rod close to the first gear, and the rack and the first gear are meshed with each other.

[0017] As a further solution of the utility model: a cleaning plate is fixed on the surface of the stirring shaft, and one side of the cleaning plate is in contact with the inner wall of the filter screen.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model is a sewage aeration device. By setting a catalytic mechanism, the catalyst stored in the storage box can be evenly sprayed inside the aeration box through multiple nozzles, and oxygen can be dispersed in the water in the form of bubbles, or the water flow can be dispersed into water droplets or water films in the oxygen, so as to increase the contact area between water and oxygen and prolong the aeration time, thereby improving the aeration effect.

[0020] 2. The utility model provides a sewage aeration device, which, by providing a stirring assembly, can achieve a full mixing of oxygen sprayed through a plurality of air outlets, catalysts sprayed through a plurality of nozzles, and sewage, thereby strengthening the contact between organic matter, microorganisms, and dissolved oxygen in the aeration box, which is beneficial to accelerating the rate of oxidation and decomposition of organic matter in sewage and improving the aeration effect.

[0021] 3. The sewage aeration device of the utility model can first perform preliminary filtration on the sewage by setting a filter net to reduce larger impurities in the sewage, which is beneficial to improving the subsequent aeration effect. At the same time, a cleaning plate is set on the inner wall of the filter net, and the cleaning plate can be driven to rotate when the stirring shaft rotates. When the cleaning plate rotates, it can clean up impurities that are blocked or adhered to the filter net, making it convenient for the sewage to pass through the filter net quickly.

[0022] 4. The utility model provides a sewage aeration device, which, by setting a transmission component, enables the device to realize the synchronous movement of the stirring mechanism and the catalytic mechanism with only one motor, without adding a driving source to each mechanism, thereby greatly reducing the number of driving sources used in the device, reducing power consumption, and thus helping to reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The structure of the utility model is shown in FIG. Figure 1 .

[0024] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0025] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of part A.

[0026] Figure 4 It is a cross-sectional view of the utility model.

[0027] Figure 5 It is a cross-sectional view of the storage box in the utility model.

[0028] Among them: 11. Aeration box; 12. Aerator; 13. Ventilation pipe; 14. Air outlet; 15. Storage box; 16. Delivery pipe; 17. Nozzle; 18. Piston; 19. Push rod; 20. Rack; 21. First gear; 22. Guide rail; 23. Driven wheel; 24. Driving wheel; 25. Belt; 26. Second gear; 27. Third gear; 28. Motor; 29. ​​Agitator shaft; 30. Agitator blade; 31. Filter; 32. Sewage inlet; 33. Sewage outlet; 34. Cleaning plate. DETAILED DESCRIPTION

[0029] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0030] The utility model provides the following preferred embodiments:

[0031] Embodiment 1, as Figure 1-Figure 5 As shown, a sewage aeration device includes an aeration box 11, a sewage inlet 32 ​​is provided at the top of the aeration box 11, and two sewage outlets 33 are provided at the bottom of the aeration box 11. It should be noted that valves are provided on the sewage inlet 32 ​​and the sewage outlet 33, and also includes a filter screen 31, an aerator 12, a vent pipe 13, a stirring mechanism and a catalytic mechanism;

[0032] The filter screen 31 is fixedly installed on the top of the inner cavity of the aeration box 11. By setting the filter screen 31, the sewage can be initially filtered to reduce the larger impurities in the sewage, which is beneficial to improve the subsequent aeration effect. Preferably, the aeration box 11 can adopt a detachable structure to facilitate the treatment of impurities at the filtration point. The aerator 12 is installed on the top of the aeration box 11, and the output end of the aerator 12 is connected to the ventilation pipe 13. The other end of the ventilation pipe 13 extends into the interior of the aeration box 11. When the aerator 12 is working, oxygen can be transported to the interior of the aeration box 11 through the ventilation pipe 13. The aerator 12 is a prior art and will not be specifically described here.

[0033] The stirring mechanism includes a stirring shaft 29, a driving assembly and a plurality of stirring blades 30. The stirring shaft 29 passes through the middle of the filter screen 31 and both ends are rotatably connected to the aeration box 11 through bearings. The driving assembly is installed at the top of the aeration box 11 and is connected to the stirring shaft 29. The plurality of stirring blades 30 are all located below the filter screen 31 and are equidistantly fixed to the surface of the stirring shaft 29.

[0034] When the driving assembly is working, it can drive the stirring shaft 29 to rotate, and the stirring shaft 29 can drive the plurality of stirring blades 30 to rotate, so as to achieve sufficient mixing of sewage, oxygen and catalyst in the aeration box 11, which is beneficial to improving the aeration efficiency;

[0035] The catalytic mechanism includes a delivery pipe 16, a delivery assembly and a transmission assembly. The delivery assembly is installed at the top of the aeration box 11. One end of the delivery assembly is connected to the delivery pipe 16. The other end of the delivery pipe 16 extends into the interior of the aeration box 11. The transmission assembly is located between the delivery assembly and the stirring shaft 29.

[0036] When the stirring shaft 29 rotates, it can drive the conveying component to work through the transmission component, and then the catalyst inside the storage box 15 can be transported to the inside of the aeration box 11 through the delivery pipe 16. Under the action of the catalyst, oxygen can be dispersed in the water in the form of bubbles, or the water flow can be dispersed into water droplets or water films in the oxygen, so as to increase the contact area between water and oxygen and extend the aeration time, thereby improving the aeration effect.

[0037] like Figure 1-Figure 5 As shown, a plurality of air outlet holes 14 are equidistantly provided on one side of the ventilation pipe 13 close to the delivery pipe 16, and each of the air outlet holes 14 is connected to the ventilation pipe 13. The plurality of air outlet holes 14 facilitate uniformly ejecting the oxygen inside the ventilation pipe 13. A plurality of nozzles 17 are equidistantly provided on one side of the delivery pipe 16 close to the ventilation pipe 13, and each of the nozzles 17 is connected to the delivery pipe 16. The arrangement of the plurality of nozzles 17 facilitates uniformly transporting the catalyst inside the delivery pipe 16.

[0038] like Figure 1-Figure 5 As shown, the driving assembly includes a second gear 26, a third gear 27 and a motor 28. The top end of the stirring shaft 29 passes through the aeration box 11 and is fixedly connected to the second gear 26. The motor 28 is installed at the top end of the aeration box 11. The third gear 27 is installed at the output end of the motor 28. The third gear 27 and the second gear 26 are meshed with each other.

[0039] When the stirring shaft 29 needs to rotate, the motor 28 is controlled to work, and the motor 28 can drive the third gear 27 to rotate. Since the third gear 27 and the second gear 26 are meshed with each other, when the third gear 27 rotates, the second gear 26 can be driven to rotate, and then the stirring shaft 29 can be driven to rotate. At this time, the oxygen sprayed from the multiple air outlets 14 can form a circulation flow under the rotation of the stirring blades 30. At the same time, when the stirring shaft 29 rotates, it can also achieve the stirring of the sewage inside the aeration box 11, so that the sewage and oxygen are fully mixed.

[0040] like Figure 1-Figure 5 As shown, the transmission assembly includes a driving wheel 24, a driven wheel 23, a belt 25 and a first gear 21, the first gear 21 is rotatably arranged at the top of the aeration box 11, the driven wheel 23 is coaxially arranged with the first gear 21 and fixed above the first gear 21, the driving wheel 24 is coaxially arranged with the second gear 26 and fixed above the second gear 26, and the belt 25 is sleeved on the driven wheel 23 and the driving wheel 24;

[0041] When the stirring shaft 29 rotates, it can drive the driving wheel 24 to rotate, and under the action of the belt 25, it can drive the driven wheel 23 to rotate. When the driven wheel 23 rotates, it can drive the first gear 21 coaxially arranged with the driven wheel 23 to rotate.

[0042] like Figure 1-Figure 5As shown, the conveying assembly includes a storage box 15, a piston 18, a push rod 19, a rack 20 and a guide rail 22. The storage box 15 is fixedly installed at the top of the aeration box 11, one end of the conveying pipe 16 is connected to the output end of the storage box 15, the piston 18 is slidably arranged inside the storage box 15, the guide rail 22 is fixedly installed at the top of the aeration box 11, the push rod 19 is slidably arranged inside the guide rail 22, one end of the push rod 19 passes through the storage box 15 and is fixedly connected to the piston 18, and a rack 20 is provided on one side of the push rod 19 close to the first gear 21, and the rack 20 and the first gear 21 are meshed with each other;

[0043] When the stirring shaft 29 rotates to drive the first gear 21 to rotate, the first gear 21 and the rack 20 are meshed with each other. Therefore, when the first gear 21 rotates, the rack 20 can be moved, and the push rod 19 can be driven to move inside the guide rail 22. When the push rod 19 moves, it can drive the piston 18 to slide inside the storage box 15, squeeze out the catalyst inside the storage box 15, and transport it to the inside of the aeration box 11 through the delivery pipe 16;

[0044] It should be noted that a feed inlet for adding catalyst is provided on one side of the top of the storage box 15 close to the delivery pipe 16, and a valve is provided on the feed inlet.

[0045] like Figure 1-Figure 5 As shown, a cleaning plate 34 is fixed on the surface of the stirring shaft 29, and one side of the cleaning plate 34 is in contact with the inner wall of the filter screen 31. By arranging the cleaning plate 34 on the inner wall of the filter screen 31, the cleaning plate 34 can be driven to rotate when the stirring shaft 29 rotates. When the cleaning plate 34 rotates, impurities that are blocked or adhered to the filter screen 31 can be cleaned, so that sewage can pass through the filter screen 31 quickly.

[0046] The beneficial effects of the present invention are specifically embodied in that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewage aeration device, comprising an aeration box (11), wherein a sewage inlet (32) is provided at the top of the aeration box (11), and two sewage outlets (33) are provided at the bottom of the aeration box (11), characterized in that: It also includes a filter screen (31), an aerator (12), a vent pipe (13), a stirring mechanism and a catalytic mechanism; The filter screen (31) is fixedly mounted on the top of the inner cavity of the aeration box (11), the aerator (12) is mounted on the top of the aeration box (11), the output end of the aerator (12) is connected to the ventilation pipe (13), and the other end of the ventilation pipe (13) extends into the interior of the aeration box (11); The stirring mechanism comprises a stirring shaft (29), a driving assembly and a plurality of stirring blades (30); the stirring shaft (29) passes through the middle of the filter screen (31) and both ends are rotatably connected to the aeration box (11) via bearings; the driving assembly is mounted on the top of the aeration box (11) and is connected to the stirring shaft (29); the plurality of stirring blades (30) are all located below the filter screen (31) and are equidistantly fixed to the surface of the stirring shaft (29); The catalytic mechanism comprises a delivery pipe (16), a delivery assembly and a transmission assembly. The delivery assembly is installed at the top end of the aeration box (11). One end of the delivery assembly is connected to the delivery pipe (16). The other end of the delivery pipe (16) extends into the interior of the aeration box (11). The transmission assembly is located between the delivery assembly and the stirring shaft (29).

2. A sewage aeration device according to claim 1, characterized in that: A plurality of air outlet holes (14) are equidistantly arranged on one side of the ventilation pipe (13) close to the delivery pipe (16), and each air outlet hole (14) is in communication with the ventilation pipe (13); a plurality of nozzles (17) are equidistantly arranged on one side of the delivery pipe (16) close to the ventilation pipe (13), and each nozzle (17) is in communication with the delivery pipe (16).

3. A sewage aeration device according to claim 2, characterized in that: The driving assembly comprises a second gear (26), a third gear (27) and a motor (28); the top end of the stirring shaft (29) passes through the aeration box (11) and is fixedly connected to the second gear (26); the motor (28) is mounted on the top end of the aeration box (11); the third gear (27) is mounted on the output end of the motor (28); and the third gear (27) and the second gear (26) are meshed with each other.

4. A sewage aeration device according to claim 3, characterized in that: The transmission assembly comprises a driving wheel (24), a driven wheel (23), a belt (25) and a first gear (21); the first gear (21) is rotatably arranged at the top end of the aeration box (11); the driven wheel (23) is coaxially arranged with the first gear (21) and fixed above the first gear (21); the driving wheel (24) is coaxially arranged with the second gear (26) and fixed above the second gear (26); and the belt (25) is sleeved on the driven wheel (23) and the driving wheel (24).

5. A sewage aeration device according to claim 4, characterized in that: The conveying assembly comprises a storage box (15), a piston (18), a push rod (19), a rack (20) and a guide rail (22); the storage box (15) is fixedly mounted on the top of the aeration box (11); one end of the conveying pipe (16) is connected to the output end of the storage box (15); the piston (18) is slidably arranged inside the storage box (15); the guide rail (22) is fixedly mounted on the top of the aeration box (11); the push rod (19) is slidably arranged inside the guide rail (22); one end of the push rod (19) passes through the storage box (15) and is fixedly connected to the piston (18); a rack (20) is provided on one side of the push rod (19) close to the first gear (21); the rack (20) and the first gear (21) are meshed with each other.

6. A sewage aeration device according to claim 5, characterized in that: A cleaning plate (34) is fixed to the surface of the stirring shaft (29), and one side of the cleaning plate (34) is in contact with the inner wall of the filter screen (31).

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