CN221235426U - Aeration sewage treatment device - Google Patents

Abstract

The utility model discloses an aeration sewage treatment device which comprises a frame, a tank body, an aeration fan, an aeration pipe and a driving motor, wherein the aeration pipe is in rotary sealing connection with the bottom end of the tank body, the upper part of the aeration pipe is positioned in the tank body and is provided with a plurality of transverse pipes, the transverse pipes are provided with a plurality of aeration heads, the lower parts of the aeration pipes are provided with unidirectional belt pulleys, the lower ends of the aeration pipes are communicated with the output end of the aeration fan, a filter screen is fixedly arranged in the tank body and above the aeration heads, an upper layer cleaning brush and a lower layer cleaning brush are arranged on the aeration pipe, and an upper layer spiral conveying cylinder and a lower layer spiral conveying cylinder are arranged on the outer side wall of the bottom of the tank body. The reverse thrust generated by aeration can drive the aeration pipe to rotate, so that the aeration position is changed, and the aeration range is increased; the filter screen is arranged to intercept sediment, so that the blocking of an aeration head is avoided, and the upper cleaning brush cleans the filter screen; the sediment at the bottom of the filter screen and the tank body can be discharged from the upper spiral conveying cylinder and the lower spiral conveying cylinder, so that the sediment can be cleaned.

Description

Aeration sewage treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an aeration sewage treatment device.

Background

The aeration sewage treatment device is characterized in that the contact area of water and air or other gases is increased by methods such as aeration or mechanical stirring to water, the aeration head is a main component of aeration equipment, a plurality of aeration holes are formed in the aeration head, and the aeration holes are used for discharging the gases from the aeration head into the water, so that the purpose of increasing the oxygen content in the sewage is achieved.

The aeration position of an aeration head of the existing aeration sewage treatment device is fixed, and the defects of uneven aeration and poor aeration effect exist; in addition, the deposited sludge and impurities generated in sewage treatment need to be cleaned frequently and are easily accumulated on the aeration head, so that the aeration holes at the top of the aeration head are blocked, and the aeration holes need to be manually and periodically dredged in the tank, so that the process is complicated.

Disclosure of utility model

Accordingly, it is desirable to provide an aeration sewage treatment apparatus capable of improving aeration uniformity, improving aeration effect, and facilitating impurity cleaning, in view of the above-described problems.

In order to achieve the above purpose, the utility model provides an aeration sewage treatment device, which comprises a frame, a tank body, an aeration fan, an aeration pipe and a driving motor, wherein the tank body is fixedly connected with the frame, the tank body is of a cylinder structure with an open top, the aeration pipe is rotationally and hermetically connected with the bottom end of the tank body, the upper part of the aeration pipe is positioned in the tank body and is provided with a plurality of transverse pipes which are circumferentially distributed, a plurality of aeration heads are arranged on the transverse pipes, the lower part of the aeration pipe is positioned below the tank body and is provided with a one-way belt pulley, the lower end of the aeration pipe is communicated with the output end of the aeration fan, the lower end of the tank body is rotationally provided with a transmission shaft, the transmission shaft is provided with a transmission belt pulley, and the one-way belt pulley is in transmission connection with the transmission belt pulley through a first transmission belt; a filter screen is fixedly arranged in the tank body and above the aeration head, an upper layer cleaning brush and a lower layer cleaning brush are arranged on the aeration pipe, the upper layer cleaning brush is in contact fit with the upper end surface of the filter screen, and the lower layer cleaning brush is in contact fit with the inner wall of the lower end of the tank body; an upper layer spiral conveying cylinder corresponding to the filter screen and a lower layer spiral conveying cylinder corresponding to the inner wall of the bottom end of the tank body are arranged on the outer side wall of the bottom of the tank body, the upper layer spiral conveying cylinder and the lower layer spiral conveying cylinder are communicated with the tank body, a first rotating shaft is rotatably arranged in the upper layer spiral conveying cylinder, a first rotating shaft is arranged on the first rotating shaft, a second rotating shaft is rotatably arranged in the lower layer spiral conveying cylinder, and a second spiral blade is arranged on the second rotating shaft; the output end of the driving motor is in transmission connection with the first rotating shaft, the second rotating shaft and the transmission shaft through the transmission assembly.

Preferably, the transmission assembly comprises a third rotating shaft, a first belt pulley, a second belt pulley, a third belt pulley, a fourth belt pulley, a first bevel gear and a second bevel gear, wherein the third rotating shaft is rotatably arranged on the frame, the first belt pulley is fixedly arranged on the first rotating shaft, the second belt pulley is fixedly arranged on the second rotating shaft, the third belt pulley and the first bevel gear are fixedly arranged on the third rotating shaft, the fourth belt pulley is fixedly arranged at the output end of the driving motor, the first belt pulley, the second belt pulley, the third belt pulley and the fourth belt pulley are in transmission connection through a second transmission belt, the second bevel gear is fixedly arranged on the transmission shaft, and the first bevel gear is in meshed connection with the second bevel gear.

Preferably, a middle layer cleaning brush is arranged on the aerator pipe, and the middle layer cleaning brush is in contact fit with the lower end surface of the filter screen.

Preferably, the bottom of the upper spiral conveying cylinder is communicated with the inner top of the lower spiral conveying cylinder through a connecting cylinder, a drain outlet is arranged at the bottom of the lower spiral conveying cylinder, and a drain valve is arranged on the drain outlet.

Preferably, the aeration fan is fixedly arranged on the frame, an air supply pipe is arranged at the output end of the aeration fan, and the other end of the air supply pipe is communicated with the aeration pipe through a rotary joint.

Preferably, the aeration pipe and the tank body are coaxially arranged, an opening for the aeration pipe to pass through is formed in the filter screen, and the aeration pipe is in clearance fit with the opening.

Compared with the prior art, the technical scheme has at least one of the following beneficial effects:

The reverse thrust generated by aeration can drive the aeration pipe to rotate, so that the aeration position is changed, the aeration range is increased, the sewage fluidity is increased, aerobic microorganisms in sewage in the tank body are fully contacted with air, and the sewage treatment effect is improved;

The filter screen is arranged to intercept sediment, so that the blocking of the aeration head is avoided, the aeration pipe drives the upper cleaning brush to rotate to clean the filter screen, and bubbles formed by aeration of the aeration head can pass through the filter holes of the filter screen to contact with the sediment on the filter screen, so that aerobic microorganisms in the sediment contact with oxygen, and the sewage treatment effect is improved;

When the sediment on the filter screen and/or the bottom of the tank body is excessive, the first rotating shaft, the second rotating shaft, the transmission shaft and the aeration pipe can be driven to rotate by the driving motor, the first rotating shaft drives the first spiral blade, and the first rotating shaft is matched with the upper cleaning brush to transfer the sediment on the filter screen into the upper spiral conveying cylinder so as to clean the sediment on the filter screen; the second rotating shaft drives the second helical blade to rotate, and the second helical blade is matched with the lower cleaning brush to transfer sediment at the bottom of the tank body into the lower helical conveying cylinder, so that the sediment at the bottom of the tank body is cleaned.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of an embodiment of the present utility model;

In the figure, 1, a rack; 2. a cell body; 3. an aeration fan; 4. an aeration pipe; 5. a driving motor; 6. a transverse tube; 7. an aeration head; 8. a one-way pulley; 9. a transmission shaft; 10. a drive pulley; 11. a first drive belt; 12. a filter screen; 13. an upper layer cleaning brush; 14. a lower layer cleaning brush; 15. an upper spiral conveying cylinder; 16. a lower spiral conveying cylinder; 17. a first rotating shaft; 18. a first helical blade; 19. a second rotating shaft; 20. a second helical blade; 21. a third rotating shaft; 22. a first pulley; 23. a second pulley; 24. a third pulley; 25. a fourth pulley; 26. a first bevel gear; 27. a second bevel gear; 28. a second drive belt; 29. a middle layer cleaning brush; 30. a connecting cylinder; 31. a sewage outlet; 32. a blow-down valve; 33. an air supply pipe; 34. a rotary joint; 35. an opening.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 3, an embodiment of the present application provides an aeration sewage treatment apparatus, which includes a frame 1, a tank body 2, an aeration fan 3, an aeration pipe 4 and a driving motor 5, wherein the tank body 2 is fixedly connected with the frame 1, the tank body 2 is in a cylindrical structure with an open top, sewage enters from the top of the tank body 2, the aeration pipe 4 is rotationally and hermetically connected with the bottom end of the tank body 2 through a sealed bearing, the upper part of the aeration pipe 4 is located in the tank body 2 and is provided with a plurality of circumferentially distributed transverse pipes 6, a plurality of aeration heads 7 are installed on the transverse pipes 6, the lower part of the aeration pipe 4 is located below the tank body 2 and is provided with a unidirectional pulley 8, the upper end of the aeration pipe 4 is in a closed structure, the lower end of the aeration pipe 4 is communicated with the output end of the aeration fan 3, the lower end of the tank body 2 is rotationally provided with a transmission shaft 9, the transmission shaft 9 is provided with a transmission pulley 10, the unidirectional pulley 8 is in transmission connection with the transmission pulley 10 through a first transmission belt 11, the unidirectional pulley 8 has a ratchet and pawl structure playing a role in the unidirectional transmission, when the aeration pipe 4 is rotated counterclockwise by thrust of the unidirectional pulley 8, the unidirectional pulley 8 does not drive the first transmission pulley 11 and the transmission pulley 10 and the first transmission pulley 10 is driven to rotate counterclockwise by the unidirectional pulley transmission belt 11, and the transmission pulley 10 and the first transmission pulley 11 and the transmission belt 11 is driven by the unidirectional transmission pulley 10; the filter screen 12 is fixedly arranged in the tank body 2 and above the aeration head 7, the filter screen 12 can collect impurities such as sludge, the aeration head 7 is prevented from being blocked, the rotation of the transverse pipe 6 is prevented from being influenced, the aeration pipe 4 is provided with the upper cleaning brush 13 and the lower cleaning brush 14, the upper cleaning brush 13 is in contact fit with the upper end face of the filter screen 12, the filter screen 12 can be cleaned, the lower cleaning brush 14 is in contact fit with the inner wall of the lower end of the tank body 2, and the sludge at the bottom of the tank body 2 can be cleaned; an upper layer spiral conveying cylinder 15 corresponding to the filter screen 12 and a lower layer spiral conveying cylinder 16 corresponding to the inner wall of the bottom end of the tank body 2 are arranged on the outer side wall of the bottom of the tank body 2, the upper layer spiral conveying cylinder 15 and the lower layer spiral conveying cylinder 16 are communicated with the tank body 2, the top end of the filter screen 12 is flush with the inner wall of the bottom end of the upper layer spiral conveying cylinder 15, sediment on the filter screen 12 can be conveniently pushed to the upper layer spiral conveying cylinder 15, the inner wall of the bottom end of the tank body 2 is flush with the inner wall of the bottom end of the lower layer spiral conveying cylinder 16, sediment at the bottom of the tank body 2 can be conveniently pushed to the lower layer spiral conveying cylinder 16, a first rotating shaft 17 is rotatably arranged in the upper layer spiral conveying cylinder 15, a first spiral blade 18 is arranged on the first rotating shaft 17, a second rotating shaft 19 is rotatably arranged in the lower layer spiral conveying cylinder 16, and a second spiral blade 20 is arranged on the second rotating shaft 19; the output end of the driving motor 5 is in transmission connection with the first rotating shaft 17, the second rotating shaft 19 and the transmission shaft 9 through a transmission assembly.

In the embodiment, the aeration fan 3 sequentially conveys air to the aeration pipe 4 and the transverse pipe 6, the aeration is further carried out by the aeration head 7, the aeration head 7 is horizontally installed and is not vertically installed, the aeration direction of the aeration head 7 is not downward, but faces the horizontal direction, so that the aeration head 7 can drive the aeration pipe 4 to rotate through reverse thrust after spraying out air, the aeration position is changed, the aeration range is increased, the fluidity of sewage is increased, aerobic microorganisms in sewage in the tank body 2 are fully contacted with the air, the aeration pipe 4 drives the upper cleaning brush 13 to rotate to clean the filter screen 12, and bubbles formed by the air sprayed by the aeration head 7 can contact with sediments on the filter screen 12 through the filtering holes of the filter screen 12, so that the aerobic microorganisms in the sediments contact with oxygen, and the sewage treatment effect is improved; when too many sediment are deposited on the filter screen 12 and/or the bottom of the tank body 2, the resistance between the sediment and the upper cleaning brush 13 and the lower cleaning brush 14 is increased, so that the reverse thrust generated by aeration can not overcome the resistance to drive the aeration pipe 4 to rotate, and the sediment can be cleaned at the moment; specifically, the driving motor 5 is started, the driving motor 5 drives the first rotating shaft 17, the second rotating shaft 19 and the transmission shaft 9 to rotate, the transmission shaft 9 drives the unidirectional belt pulley 8 and the aeration pipe 4 to rotate through the transmission belt pulley 10 and the first transmission belt 11, at the moment, the torque force for driving the rotation of the aeration pipe 4 is far greater than the reverse aeration thrust, the aeration pipe 4 can drive the upper cleaning brush 13 and the lower cleaning brush 14 to rotate, the upper cleaning brush 13 pushes sediment on the filter screen 12 to the outside, the first rotating shaft 17 drives the first helical blade 18 to rotate, and the sediment on the filter screen 12 is transferred into the upper helical conveying cylinder 15 by being matched with the upper cleaning brush 13, so that the sediment on the filter screen 12 is cleaned; similarly, the lower cleaning brush 14 pushes the sediment at the bottom of the tank body 2 to the outside, the second rotating shaft 19 drives the second helical blade 20 to rotate, and the sediment at the bottom of the tank body 2 is transferred into the lower helical conveying cylinder 16 by matching with the lower cleaning brush 14, so that the sediment at the bottom of the tank body 2 is cleaned.

In a specific embodiment, in order to facilitate the driving motor 5 to drive the first rotating shaft 17, the second rotating shaft 19 and the transmission shaft 9 to rotate, a transmission assembly is provided, wherein the transmission assembly comprises a third rotating shaft 21, a first belt pulley 22, a second belt pulley 23, a third belt pulley 24, a fourth belt pulley 25, a first bevel gear 26 and a second bevel gear 27, the third rotating shaft 21 is rotatably mounted on the frame 1, the first belt pulley 22 is fixedly mounted on the first rotating shaft 17, the second belt pulley 23 is fixedly mounted on the second rotating shaft 19, the third belt pulley 24 and the first bevel gear 26 are fixedly mounted on the third rotating shaft 21, the fourth belt pulley 25 is fixedly mounted at the output end of the driving motor 5, the first belt pulley 22, the second belt pulley 23, the third belt pulley 24 and the fourth belt pulley 25 are in transmission connection through a second transmission belt 28, the second bevel gear 27 is fixedly mounted on the transmission shaft 9, and the first bevel gear 26 is in meshed connection with the second bevel gear 27. In this embodiment, the first pulley 22, the second pulley 23, the third pulley 24 and the fourth pulley 25 are pulleys, and in other embodiments, may be sprockets, and the corresponding second transmission belt 28 may be a transmission chain instead.

In a specific embodiment, to improve the cleaning effect on the filter screen 12 and avoid the blockage of the lower end of the filter screen 12, a middle cleaning brush 29 is installed on the aerator pipe 4, and the middle cleaning brush 29 is in contact fit with the lower end surface of the filter screen 12. The aeration pipe 4 drives the middle layer cleaning brush 29 to rotate, the middle layer cleaning brush 29 cleans the lower end face of the filter screen 12, and the vertical projection of the middle layer cleaning brush 29 and the upper layer cleaning brush 13 is not overlapped, so that the upper end face and the lower end face of the same position of the filter screen 12 are not cleaned, and the cleaning effect is not influenced.

In a specific embodiment, in order to facilitate the discharge of the sediment conveyed in the upper spiral conveying cylinder 15 and the lower spiral conveying cylinder 16, the bottom of the upper spiral conveying cylinder 15 is communicated with the inner top of the lower spiral conveying cylinder 16 through a connecting cylinder 30, a drain outlet 31 is arranged at the bottom of the lower spiral conveying cylinder 16, and a drain valve 32 is arranged on the drain outlet 31. Sediment in the upper screw conveyor cylinder 15 enters the lower screw conveyor cylinder 16 through the connecting cylinder 30, and sediment and sewage in the lower screw conveyor cylinder 16 can be discharged through the sewage outlet 31 by opening the sewage discharge valve 32.

In a specific embodiment, in order to facilitate the aeration fan 3 to supply air to the rotary joint 34, the aeration fan 3 is fixedly installed on the frame 1, the output end of the aeration fan 3 is provided with an air supply pipe 33, and the other end of the air supply pipe 33 is communicated with the aeration pipe 4 through the rotary joint 34.

In a specific embodiment, in order to improve the aeration range, the aeration pipe 4 and the tank body 2 are coaxially arranged, the filter screen 12 is provided with an opening 35 for the aeration pipe 4 to pass through, and the aeration pipe 4 is in clearance fit with the opening 35, so that when the aeration pipe 4 rotates, the movement range of the aeration head 7 is the largest, and the aeration can be sufficiently performed on the tank body 2.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims (6)

1. The utility model provides an aeration sewage treatment plant, includes frame (1), cell body (2), aeration fan (3), aeration pipe (4) and driving motor (5), cell body (2) and frame (1) fixed connection, a serial communication port, cell body (2) are open cylinder structure in top, aeration pipe (4) and cell body (2) bottom rotate sealing connection, aeration pipe (4) upper portion is located cell body (2) and installs a plurality of transverse tube (6) that are circumference and distribute, install a plurality of aeration heads (7) on transverse tube (6), aeration pipe (4) lower part is located cell body (2) below and installs unidirectional pulley (8), aeration pipe (4) lower extreme and aeration fan (3) output intercommunication, transmission shaft (9) are installed in cell body (2) lower extreme rotation, install drive pulley (10) on transmission shaft (9), unidirectional pulley (8) are connected through first drive belt (11) transmission; a filter screen (12) is fixedly arranged in the tank body (2) and above the aeration head (7), an upper cleaning brush (13) and a lower cleaning brush (14) are arranged on the aeration pipe (4), the upper cleaning brush (13) is in contact fit with the upper end surface of the filter screen (12), and the lower cleaning brush (14) is in contact fit with the inner wall of the lower end of the tank body (2); an upper layer spiral conveying cylinder (15) corresponding to the filter screen (12) and a lower layer spiral conveying cylinder (16) corresponding to the inner wall of the bottom end of the tank body (2) are arranged on the outer side wall of the bottom of the tank body (2), the upper layer spiral conveying cylinder (15) and the lower layer spiral conveying cylinder (16) are communicated with the tank body (2), a first rotating shaft (17) is rotatably arranged on the upper layer spiral conveying cylinder (15), a first spiral blade (18) is arranged on the first rotating shaft (17), a second rotating shaft (19) is rotatably arranged on the lower layer spiral conveying cylinder (16), and a second spiral blade (20) is arranged on the second rotating shaft (19); the output end of the driving motor (5) is in transmission connection with the first rotating shaft (17), the second rotating shaft (19) and the transmission shaft (9) through a transmission assembly.

2. The aeration sewage treatment device according to claim 1, wherein the transmission assembly comprises a third rotating shaft (21), a first belt pulley (22), a second belt pulley (23), a third belt pulley (24), a fourth belt pulley (25), a first bevel gear (26) and a second bevel gear (27), the third rotating shaft (21) is rotatably mounted on the frame (1), the first belt pulley (22) is fixedly mounted on the first rotating shaft (17), the second belt pulley (23) is fixedly mounted on the second rotating shaft (19), the third belt pulley (24) and the first bevel gear (26) are fixedly mounted on the third rotating shaft (21), the fourth belt pulley (25) is fixedly mounted at the output end of the driving motor (5), the first belt pulley (22), the second belt pulley (23), the third belt pulley (24) and the fourth belt pulley (25) are in transmission connection through a second transmission belt (28), the second bevel gear (27) is fixedly mounted on the transmission shaft (9), and the first bevel gear (26) is in meshed connection with the second bevel gear (27).

3. The aeration sewage treatment device according to claim 1, wherein a middle layer cleaning brush (29) is arranged on the aeration pipe (4), and the middle layer cleaning brush (29) is in contact fit with the lower end surface of the filter screen (12).

4. The aeration sewage treatment device according to claim 1, wherein the bottom of the upper spiral conveying cylinder (15) is communicated with the inner top of the lower spiral conveying cylinder (16) through a connecting cylinder (30), a sewage outlet (31) is arranged at the bottom of the lower spiral conveying cylinder (16), and a sewage valve (32) is arranged on the sewage outlet (31).

5. The aeration sewage treatment device according to claim 1, wherein the aeration fan (3) is fixedly arranged on the frame (1), an air supply pipe (33) is arranged at the output end of the aeration fan (3), and the other end of the air supply pipe (33) is communicated with the aeration pipe (4) through a rotary joint (34).

6. The aeration sewage treatment device according to claim 1, wherein the aeration pipe (4) and the tank body (2) are coaxially arranged, an opening (35) for the aeration pipe (4) to pass through is formed in the filter screen (12), and the aeration pipe (4) is in clearance fit with the opening (35).