Sewage treatment and purification device

Abstract

The utility model discloses a sewage treatment and purification device which comprises a frame, a drainage assembly, a stirring aeration mechanism, a flow speed adjusting mechanism and an adjusting auxiliary mechanism, and the stirring aeration mechanism comprises a driving assembly, a stirring box, a stirring shaft, stirring blades and an aeration pipe. The flow speed adjusting mechanism comprises an external connecting pipe, a circulating pipe, a spiral sealing sheet, a threaded frame, a threaded rod, an inner rotating frame and an outer rotating pipe, the adjusting auxiliary mechanism comprises a supporting movable ring, a movable rod, a jacking spring, a jacking block and a ball groove, sewage can be effectively and uniformly stirred through rotation of stirring blades, the reaction efficiency is improved, and the stirring effect is improved by adjusting the position of the spiral sealing sheet. The circulating speed of aeration gas can be accurately controlled, the aeration process is optimized, and stable rotation of the outer rotating pipe in the adjusting process can be ensured through the design of a supporting movable ring, a movable rod, a jacking spring, a jacking block and a ball groove.

Description

Technical Field

[0001] The utility model relates to the technical field, and more specifically, it relates to a sewage treatment and purification device. Background Technique

[0002] A sewage treatment and purification device is a device used to treat and purify sewage, which is designed to remove pollutants in the sewage and make it meet the discharge standards or the water quality requirements for reuse. With the enhancement of environmental protection awareness and the increasing tension of water resources, the sewage treatment and purification device plays an important role in protecting water resources and improving environmental quality. With the continuous progress of technology, this device is also constantly optimized and innovated to meet more stringent discharge standards and higher treatment efficiency requirements.

[0003] In the existing technology, firstly, in some devices, the sewage may not be fully mixed, resulting in low reaction efficiency. The oxygen content in the sewage may be insufficient, affecting the growth and metabolism of microorganisms, and thus affecting the entire biochemical treatment process. Secondly, in some devices, the flow rate of the aeration gas cannot be precisely controlled, which may lead to over-aeration or under-aeration, affecting the treatment effect and unable to be adjusted according to the different characteristics and treatment requirements of the sewage, resulting in low treatment efficiency. Finally, during the adjustment process of some devices, shocks and vibrations are generated, damaging the equipment. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the problems existing in the prior art, the utility model provides a sewage treatment and purification device to solve the technical problems such as the sewage may not be fully mixed and the flow rate of the aeration gas cannot be precisely controlled mentioned in the background technique.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the present utility model provides the following technical solutions: A sewage treatment and purification device, comprising a frame, a drainage assembly, a stirring and aeration mechanism, a flow rate adjusting mechanism, and an adjustment assisting mechanism. The stirring and aeration mechanism includes a driving assembly, a stirring tank, a stirring shaft, stirring blades, and an aeration pipe. The stirring shaft is installed at the output end of the driving assembly, and the driving assembly is installed at the top side end of the frame. One end of the stirring shaft penetrates through the stirring tank and is rotatably arranged in cooperation. The stirring blades are installed on the stirring shaft, and the aeration pipe is fixedly installed at the inner bottom end of the stirring tank, and one end of the aeration pipe extends out of the stirring tank. The flow rate adjusting mechanism includes an outer connecting pipe, a flow pipe, a spiral sealing piece, a threaded frame, a threaded rod, an inner rotating frame, and an outer rotating pipe. The outer connecting pipe is rotatably and sealingly arranged on one side of the outer rotating pipe, and the outer rotating pipe is rotatably and sealingly arranged on one side of the flow pipe. One end of the spiral sealing piece is installed on the top of the threaded frame, and the other end of the threaded sealing piece is installed on the inner wall of the flow pipe. The inner rotating frame is fixedly installed on the inner wall of the outer rotating pipe, and one end of the threaded rod is fixedly installed on the inner rotating frame. The threaded rod is threadedly connected with the threaded frame.

[0008] The present utility model is further provided that the adjustment assisting mechanism includes a supporting movable ring, a movable rod, a top spring, a top block, and a ball groove. The movable rod is movably inserted up and down on the top end face of the supporting movable ring. The top block is installed at one end of the movable rod, and the top spring is installed between the top block and the top end face of the supporting movable ring. A plurality of ball grooves are arranged at the bottom of the outer connecting pipe, and the ball grooves are rotatably supported in cooperation with the top block. The outer rotating pipe can be rotated step by step on the top of the supporting movable ring.

[0009] The present utility model is further provided that a tank cover is movably arranged on the side of the open end of the stirring tank, and an exhaust pipe penetrates through the top end face of the tank cover. The design of the tank cover facilitates the inspection and maintenance of the inside of the stirring tank.

[0010] The present utility model is further provided that hydraulic cylinders are symmetrically and movably arranged on the inner side face of the frame, and the other end of the hydraulic cylinder is movably connected with the side of the tank cover in cooperation. The hydraulic cylinder can realize the automatic opening and closing of the tank cover, improving the operation efficiency and safety.

[0011] The present utility model is further provided that a side plate is connected to the outer side face of the frame, a support column is installed on the top end face of the side plate, and the outer connecting pipe is fixedly installed on the top end face of the support column. The side plate and the support column provide structural support for the whole device, ensuring the stability of the equipment during operation.

[0012] The present utility model is further provided that a connecting plate is installed on the outer wall of one side of the flow pipe, and the flow pipe is connected with the aeration pipe extending out of the stirring tank through the connecting plate. The connecting plate ensures the tight connection between the flow pipe and the aeration pipe, guaranteeing the continuity of the aeration process.

[0013] The present utility model is further configured such that a directional groove is provided on the inner wall of the circulation pipe, a positioning block is installed on the outer side of the threaded frame, and the positioning block can extend into the directional groove for sliding and guiding cooperation. The cooperation between the positioning block and the directional groove can ensure the precise guidance of the circulation pipe during rotation and avoid deviation.

[0014] The present utility model is further configured such that a support plate is fixedly provided on the outer wall of the circulation pipe, a support spring is connected to the top end face of the support plate, and the other end of the support spring is cooperatively connected to the bottom end face of the support movable ring. The support plate and the support spring provide additional support for the circulation pipe, enhance the overall stability of the device, and at the same time, the support spring can be compressed to disengage the support movable ring from the outer rotating pipe.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a sewage treatment and purification device, which has the following

[0017] Beneficial effects:

[0018] The present utility model is provided with a stirring and aeration mechanism. The rotation of the stirring blades can effectively stir the sewage evenly, improve the reaction efficiency, and the arrangement of the aeration pipe can ensure that the sewage obtains sufficient oxygen during the treatment process, promoting the growth and metabolism of microorganisms.

[0019] The present utility model is provided with a flow rate adjustment mechanism. By adjusting the position of the spiral sealing piece, the flow rate of the aeration gas can be precisely controlled, optimizing the aeration process. The flow rate adjustment mechanism can be adjusted according to the different characteristics and treatment requirements of the sewage, improving the treatment efficiency.

[0020] The present utility model is provided with an adjustment auxiliary mechanism. The design of the support movable ring, the movable rod, the top spring, the top block, and the spherical groove can ensure the stable rotation of the outer rotating pipe during the adjustment process. The top spring can absorb and buffer the impact and vibration during the adjustment process, protecting the device from damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the whole device in the unused state in the present utility model;

[0022] Figure 2 is a schematic structural diagram of the whole device from the top view angle in the present utility model;

[0023] Figure 3 is a schematic structural diagram of the aeration pipe inside the stirring tank in the present utility model;

[0024] Figure 4 is a schematic structural diagram of the flow rate adjustment mechanism and the adjustment auxiliary mechanism in the present utility model;

[0025] Figure 5 This is a schematic diagram of the internal structures of the flow rate adjustment mechanism and the adjustment assistance mechanism in the present utility model.

[0026] In the figure: 1. Frame; 2. Drainage assembly; 3. Drive assembly; 4. Stirring tank; 5. Stirring shaft; 6. Stirring blades; 7. Aeration pipe; 8. Outer connection pipe; 9. Flow pipe; 10. Spiral sealing piece; 11. Threaded frame; 12. Threaded rod; 13. Inner rotating frame; 14. Outer rotating pipe; 15. Support movable ring; 16. Movable rod; 17. Top spring; 18. Top block; 19. Ball groove; 20. Tank cover; 21. Exhaust pipe; 22. Hydraulic cylinder; 23. Side plate; 24. Support column; 25. Connecting plate; 26. Directional groove; 27. Positioning block; 28. Support plate; 29. Support spring. Detailed implementation manners

[0027] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in the present application have the same meanings as those commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0029] In the present utility model, in the absence of contrary description, the orientations such as "upper, lower" are usually in relation to the directions shown in the drawings, or in relation to the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left, right" are usually in relation to the left and right shown in the drawings; "inner, outer" refer to the inner and outer of the contours of the respective components, but the above orientation terms are not used to limit the present utility model.

[0030] Please refer to Figures 1-5, a sewage treatment and purification device, comprising a frame 1, a drainage assembly 2, a stirring and aeration mechanism, a flow rate adjustment mechanism and an adjustment auxiliary mechanism. The stirring and aeration mechanism includes a drive assembly 3, a stirring tank 4, a stirring shaft 5, stirring blades 6 and an aeration pipe 7. The stirring shaft 5 is installed at the output end of the drive assembly 3, and the drive assembly 3 is installed at the top side end of the frame 1. One end of the stirring shaft 5 penetrates through the stirring tank 4 and is rotatably arranged in cooperation. The stirring blades 6 are installed on the stirring shaft 5, and the aeration pipe 7 is fixedly installed at the inner bottom end of the stirring tank 4, and one end of the aeration pipe 7 extends out of the stirring tank 4. The flow rate adjustment mechanism includes an outer connecting pipe 8, a circulation pipe 9, a spiral sealing piece 10, a threaded frame 11, a threaded rod 12, an inner rotating frame 13 and an outer rotating pipe 14. The outer connecting pipe 8 is rotatably and sealingly arranged on one side of the outer rotating pipe 14, and the outer rotating pipe 14 is rotatably and sealingly arranged on one side of the circulation pipe 9. One end of the spiral sealing piece 10 is installed on the top of the threaded frame 11, and the other end of the threaded sealing piece is installed on the inner wall of the circulation pipe 9. The inner rotating frame 13 is fixedly installed on the inner wall of the outer rotating pipe 14, and one end of the threaded rod 12 is fixedly installed on the inner rotating frame 13. The threaded rod 12 is threadedly connected with the threaded frame 11.

[0031] In this embodiment, the drive assembly 3 is installed at the top side end of the frame 1. The stirring blades 6 are driven by the stirring shaft 5 to stir in the stirring tank 4. At the same time, the aeration pipe 7 aerates at the inner bottom end of the stirring tank 4 to increase the solubility of oxygen and promote the biochemical reaction of the sewage. One end of the aeration pipe 7 extends out of the stirring tank 4 and discharges gas through the exhaust pipe 21 on the tank cover 20 to maintain the gas balance in the stirring tank 4 and realize the flow rate of the injected aeration gas. By rotating the outer rotating pipe 14, the outer rotating pipe 14 rotates relative to the outer connecting pipe 8 and the circulation pipe 9, drives the inner rotating frame 13 to rotate, drives the threaded rod 12 to rotate, drives the threaded frame 11 to move up and down, thereby changing the sealing state of the spiral sealing piece 10, adjusting the circulation area in the circulation pipe 9, and further controlling the aeration flow rate.

[0032] The adjustment auxiliary mechanism includes a support movable ring 15, a movable rod 16, a top spring 17, a top block 18 and a ball groove 19. The movable rod 16 is vertically inserted and movably arranged on the top end face of the support movable ring 15. The top block 18 is installed at one end of the movable rod 16, and the top spring 17 is installed between the top block 18 and the top end face of the support movable ring 15. Multiple groups of ball grooves 19 are arranged at the bottom of the outer connecting pipe 8, and the ball grooves 19 are rotatably supported in cooperation with the top block 18. The outer rotating pipe 14 can rotate step by step on the top of the support movable ring 15.

[0033] In this embodiment, ball grooves 19 are arranged at the bottom of the outer connecting pipe 8, which are rotatably supported in cooperation with the top block 18. The outer rotating pipe 14 can rotate step by step on the top of the support movable ring 15 to achieve a smooth transition of the flow rate adjustment. The top spring 17 provides a buffering effect to support the stability of the support movable ring 15 when the outer connecting pipe 8 rotates.

[0034] Please refer toFigures 1-5 As a supplementary implementation mode of a sewage treatment and purification device for the stirring and aeration mechanism, the flow rate adjustment mechanism and the adjustment auxiliary mechanism: A tank cover 20 is movably arranged on the side of the open end of the stirring tank 4, and an exhaust pipe 21 penetrates through the top end face of the tank cover 20. Hydraulic cylinders 22 are symmetrically and movably arranged on the inner side face of the frame 1, and the other ends of the hydraulic cylinders 22 are movably connected in cooperation with the side face of the tank cover 20. A side plate 23 is connected to the outer side face of the frame 1, a support column 24 is installed on the top end face of the side plate 23, and the outer connecting pipe 8 is fixedly installed on the top end face of the support column 24. A connecting plate 25 is installed on the outer wall of one side of the flow pipe 9, and the flow pipe 9 is connected in cooperation with the aeration pipe 7 extending out of the stirring tank 4 through the connecting plate 25. A directional groove 26 is formed in the inner wall of the flow pipe 9. A positioning block 27 is installed on the outer side of the threaded frame 11, and the positioning block 27 can extend into the directional groove 26 for sliding and guiding in cooperation. A support plate 28 is fixedly arranged on the outer wall of the flow pipe 9, and a support spring 29 is connected to the top end face of the support plate 28, and the other end of the support spring 29 is connected in cooperation with the bottom end face of the support movable ring 15.

[0035] More specifically, the sewage enters the stirring tank 4 by opening the tank cover 20 through the telescopic cylinder. The drive assembly 3 drives the stirring shaft 5 and the stirring blades 6 to stir, and at the same time, the aeration pipe 7 performs aeration. As needed, by rotating the outer connecting pipe 8, the flow rate of the aeration is adjusted to optimize the aeration process. The gas generated during the stirring process is discharged through the exhaust pipe 21 on the tank cover 20. The hydraulic cylinder 22 is movably connected to the tank cover 20 and is used to control the opening and closing of the tank cover 20, which is convenient for maintenance and cleaning. The side plate 23 and the support column 24 provide support for the entire device to ensure stability during operation. The flow pipe 9 is connected to the aeration pipe 7 through the connecting plate 25 to ensure the continuity of the aeration process. The positioning block 27 cooperates with the directional groove 26 to ensure the accuracy of the flow rate adjustment. The support plate 28 and the support spring 29 provide support and buffering for the adjustment auxiliary mechanism to ensure the smoothness of the adjustment process.

[0036] In summary, when the overall equipment is in use or operation: When the operation of the stirring and aeration mechanism is required, the drive assembly 3 is installed on the top side end of the frame 1. The stirring shaft 5 drives the stirring blades 6 to stir in the stirring tank 4, and at the same time, the aeration pipe 7 performs aeration at the inner bottom end of the stirring tank 4 to increase the solubility of oxygen and promote the biochemical reaction of the sewage. One end of the aeration pipe 7 extends out of the stirring tank 4, and the gas is discharged through the exhaust pipe 21 on the tank cover 20 to maintain the gas balance in the stirring tank 4.

[0037] When the operation of the flow rate regulating mechanism is required, the flow rate of the injected aeration gas is realized. By rotating the outer rotating pipe 14, the outer rotating pipe 14 rotates relatively between the outer connecting pipe 8 and the flow pipe 9, driving the inner rotating frame 13 to rotate, driving the threaded rod 12 to rotate, driving the threaded frame 11 to move up and down, thereby changing the sealing state of the spiral sealing piece 10, adjusting the flow area in the flow pipe 9, and further controlling the flow rate of aeration.

[0038] When the operation of the auxiliary mechanism needs to be adjusted, a ball groove 19 is provided at the bottom of the outer connecting pipe 8, which cooperates with the top block 18 to support rotation. The outer rotating pipe 14 can rotate step by step on the top of the supporting movable ring 15 to achieve a smooth transition of flow rate adjustment. The top spring 17 provides a buffering effect and the stability of the supporting movable ring 15 when the outer connecting pipe 8 rotates.

[0039] The sewage enters the mixing tank 4 by opening the tank cover 20 through the telescopic cylinder. The driving assembly 3 drives the mixing shaft 5 and the mixing blades 6 to mix. At the same time, the aeration pipe 7 conducts aeration. According to needs, by rotating the outer connecting pipe 8, the flow rate of aeration is adjusted to optimize the aeration process. The gas generated during the mixing process is discharged through the exhaust pipe 21 on the tank cover 20. The hydraulic cylinder 22 is movably connected to the tank cover 20 and is used to control the opening and closing of the tank cover 20, which is convenient for maintenance and cleaning. The side plate 23 and the support column 24 provide support for the whole device to ensure stability during operation. The flow pipe 9 is connected to the aeration pipe 7 through the connecting plate 25 to ensure the continuity of the aeration process. The positioning block 27 cooperates with the orientation groove 26 to ensure the accuracy of flow rate adjustment. The support plate 28 and the support spring 29 provide support and buffering for the adjustment auxiliary mechanism to ensure the smoothness of the adjustment process.

[0040] In all the solutions mentioned above, for the connection between two components, welding, connection with bolts and nuts, connection with bolts or screws, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one here. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment and purification device, comprising a frame (1), a drainage assembly (2), a stirring and aerating mechanism, a flow rate regulating mechanism and a regulating auxiliary mechanism, wherein: The stirring aeration mechanism comprises a driving assembly (3), a stirring box (4), a stirring shaft (5), a stirring blade (6) and an aeration pipe (7), wherein the stirring shaft (5) is mounted at the output end of the driving assembly (3), the driving assembly (3) is mounted at the top side end of the frame (1), one end of the stirring shaft (5) extends through the stirring box (4) to cooperate with the rotation arrangement, the stirring blade (6) is mounted on the stirring shaft (5), the aeration pipe (7) is fixedly mounted at the inner bottom end of the stirring box (4), and one end of the aeration pipe (7) extends out of the stirring box (4), and the flow rate The regulating mechanism comprises an external tube (8), a circulation tube (9), a spiral sealing sheet (10), a threaded frame (11), a threaded rod (12), an inner rotating frame (13) and an external rotating tube (14); the external rotating tube (14) is rotatably sealed and arranged on one side of the circulation tube (9); one end of the spiral sealing sheet (10) is mounted on the top of the threaded frame (11); the other end of the threaded sealing sheet is mounted on the inner wall of the circulation tube (9); the inner rotating frame (13) is fixedly mounted on the inner wall of the external rotating tube (14); and one end of the threaded rod (12) is fixedly mounted on the inner rotating frame (13).

2. A sewage treatment and purification device according to claim 1, characterized in that: The adjustment auxiliary mechanism comprises a supporting movable ring (15), a movable rod (16), a top spring (17), a top block (18) and a ball groove (19); the movable rod (16) extends upward and downward and is movably arranged on the top end surface of the supporting movable ring (15); the top block (18) is installed at one end of the movable rod (16); the top spring (17) is installed on the top end surfaces of the top block (18) and the supporting movable ring (15); a plurality of groups of ball grooves (19) are arranged at the bottom of the external tube (8); the ball grooves (19) and the top block (18) are arranged to support rotation in cooperation; the external rotating tube (14) can be rotated step by step on the top of the supporting movable ring (15).

3. The sewage treatment and purification device according to claim 1 is characterized in that: A tank cover (20) is movably provided on the side of the open end of the mixing box (4), and an exhaust pipe (21) is penetrated through the top end surface of the tank cover (20).

4. The sewage treatment and purification device according to claim 1 is characterized in that: A hydraulic cylinder (22) is symmetrically and movably provided on the inner side surface of the frame (1), and the other end of the hydraulic cylinder (22) is movably connected to the side surface of the tank cover (20).

5. The sewage treatment and purification device according to claim 1 is characterized in that: The outer side surface of the frame (1) is connected to a side plate (23), the top end surface of the side plate (23) is installed with a support column (24), and the external pipe (8) is fixedly installed on the top end surface of the support column (24).

6. The sewage treatment and purification device according to claim 1 is characterized in that: A connecting plate (25) is installed on the outer wall of one side of the circulation pipe (9), and the circulation pipe (9) is connected to the aeration pipe (7) extending out of the stirring box (4) through the connecting plate (25).

7. The sewage treatment and purification device according to claim 1 is characterized in that: An orientation groove (26) is provided on the inner wall of the circulation pipe (9), and a positioning block (27) is installed on the outer side of the threaded frame (11), and the positioning block (27) can extend into the orientation groove (26) to cooperate with the sliding guide arrangement.

8. The sewage treatment and purification device according to claim 1 is characterized in that: A support plate (28) is fixedly provided on the outer wall of the circulation tube (9), and a support spring (29) is connected to the top end surface of the support plate (28), and the other end of the support spring (29) is matched and connected to the bottom end surface of the supporting movable ring (15).

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