Radial-flow sedimentation tank for sewage treatment

Abstract

The utility model discloses a radial flow type sedimentation tank for sewage treatment, which comprises a tank body, a central column is arranged in the middle of the upper surface of the bottom end of the tank body, a groove is formed in the surface of the top of the central column, a hydraulic push rod is mounted in the groove, and the output end of the hydraulic push rod is fixedly connected with a push plate. The hydraulic push rod in the groove in the top surface of the center column drives the push plate to move, the push plate drives the motor to move while moving, so that the top plate at the output end of the motor moves, and when the collecting boxes on the two sides of the bottom surface of the top plate move into the pool body, the top plate is driven by the motor to rotate; according to the sewage treatment device, the top plate is arranged, so that the collecting boxes on the two sides of the bottom surface of the top plate rotate, floating objects in sewage can enter the collecting boxes, the floating objects in the sewage can be collected by using the collecting boxes, residues of the floating objects in the sewage are reduced, and the sewage treatment effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a radial flow sedimentation tank for sewage treatment. Background Art

[0002] Sedimentation tank is a kind of structure that uses the natural sedimentation or coagulation sedimentation of water to remove suspended matter in water. At present, radial flow sedimentation tanks are often used in sedimentation tanks of urban sewage treatment plants in my country. The plane of radial flow sedimentation tank is mostly circular. Wastewater enters the tank from the water inlet pipe in the center of the tank and flows slowly toward the periphery of the tank along the radius.

[0003] The existing Chinese patent with announcement number CN209128112U discloses a radial flow sedimentation tank, the key points of its technical solution are: including a sedimentation tank, the sedimentation tank is covered with a cover plate, a sewage inlet extending into the bottom of the center of the sedimentation tank is arranged on the cover plate, a guide frame extending into the sedimentation tank is arranged below the cover plate, a long elbow group and a short elbow group are arranged on the guide frame, a long elbow bracket is arranged on the long elbow group, a short elbow bracket is arranged on the short elbow group, and a vertical guide plate is accommodated in the long elbow bracket and the short elbow bracket, and a water outlet weir plate is arranged on the side of the sedimentation tank away from the sewage inlet, and a water outlet trough is arranged on one side of the water outlet weir plate. The radial flow sedimentation tank has a structure of vertical guide plates arranged at different heights. After the sewage enters the sewage inlet at the center of the sedimentation tank, it first turns back along the surface of the vertical guide plate and finally flows out from the water outlet weir plate on the side of the sedimentation tank. The flow range of sewage in the sedimentation tank is greatly improved, the fluidity of each area in the tank is uniform, and the sewage treatment efficiency is improved.

[0004] The above-mentioned existing technical solutions have the following defects: although the above-mentioned technical solutions greatly improve the flow distance of sewage in the sedimentation tank, the fluidity in each area of ​​the tank is uniform, and the sewage treatment efficiency is improved, the above-mentioned technical solutions are not convenient for cleaning floating objects in the sewage on the sedimentation tank, which can easily affect its treatment effect. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a radial flow sedimentation tank for sewage treatment, which has the advantage of being able to clean floating objects in sewage, thereby improving the treatment effect of sewage, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a radial flow sedimentation tank for sewage treatment, including a tank body, a center column is provided at the middle position of the upper surface of the bottom end of the tank body, and a groove is opened on the top surface of the center column, a hydraulic push rod is installed inside the groove, and the output end of the hydraulic push rod is fixedly connected to a push plate, a motor is installed on the top surface of the push plate, and the output end of the motor is fixedly connected to a top plate, collecting boxes are provided on both sides of the bottom surface of the top plate, and a through opening is penetrated on the front end surface of the collecting box, a through hole is penetrated on the outer surface of the collecting box, limit rods are penetrated on both sides of the top surface of the top plate, and a scraper is provided at one end of the limit rod, and a spring is sleeved on the outer surface of the limit rod between the scraper and the top plate.

[0009] Preferably, mud discharge pipes are provided on both sides of the bottom surface of the pool body, and mud discharge pumps are installed on the mud discharge pipes.

[0010] Preferably, the scraper matches the pool body.

[0011] Preferably, there are a plurality of through holes, and the plurality of through holes are evenly distributed on the outer surface of the collection box.

[0012] Preferably, the limiting rod is movably connected to the top plate.

[0013] Preferably, a drainage pipe is provided inside the central column, and one end of the drainage pipe passes through the bottom surface of the pool body, drainage grooves are provided on both side surfaces of the central column, and filters are provided in the drainage grooves, and the drainage grooves are connected to the drainage pipe.

[0014] Preferably, there are two collecting boxes in total, and the two collecting boxes are evenly distributed on both sides of the bottom surface of the top plate.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a radial flow sedimentation tank for sewage treatment, which has the following beneficial effects:

[0017] (1) In the utility model, the push plate is driven to move by the hydraulic push rod in the groove on the top surface of the center column, and the push plate drives the motor to move while moving, so that the top plate at the output end of the motor moves. When the collecting boxes on both sides of the bottom surface of the top plate move into the pool body, the top plate is driven to rotate by the motor, so that the collecting boxes on both sides of the bottom surface of the top plate rotate, so that the floating objects on the sewage can enter the collecting boxes. By using the collecting boxes, the floating objects in the sewage can be collected, which reduces the residual floating objects in the sewage, thereby helping to improve the sewage treatment effect.

[0018] (2) In the utility model, a limit rod, a spring and a scraper are provided, wherein the top plate moves and the limit rod is driven to move, so that the scraper at one end of the limit rod moves. When the scraper moves to the inside of the pool body and overlaps with the inside of the pool body, the limit rod, the spring and the scraper are used in coordination to clean the sludge attached to the inner wall of the pool body, thereby preventing the sludge from remaining on the inner wall of the pool body, reducing the limitations during use, and facilitating its subsequent normal use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of a radial flow sedimentation tank for sewage treatment proposed by the utility model;

[0021] Figure 2 It is a front view of a radial flow sedimentation tank for sewage treatment proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of a collection box of a radial flow sedimentation tank for sewage treatment proposed by the utility model;

[0023] Figure 4 The utility model discloses a schematic diagram of a scraper structure of a radial flow sedimentation tank for sewage treatment.

[0024] Legend:

[0025] 1. Tank body; 2. Center column; 3. Groove; 4. Hydraulic push rod; 5. Top plate; 6. Limit rod; 7. Spring; 8. Collection box; 9. Through port; 10. Through hole; 11. Motor; 12. Push plate; 13. Scraper; 14. Mud discharge pump; 15. Mud discharge pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Please refer to Figure 1-4 A radial flow sedimentation tank for sewage treatment comprises a tank body 1, a central column 2 is arranged at the middle position of the upper surface of the bottom end of the tank body 1, and a groove 3 is opened on the top surface of the central column 2, a hydraulic push rod 4 is installed inside the groove 3, and a push plate 12 is fixedly connected to the output end of the hydraulic push rod 4, a motor 11 is installed on the top surface of the push plate 12, and a top plate 5 is fixedly connected to the output end of the motor 11, a collecting box 8 is arranged on both sides of the bottom surface of the top plate 5, and a through opening 9 is penetrated on the front end surface of the collecting box 8, and a through hole 10 is penetrated on the outer surface of the collecting box 8, and a limiting rod 6 is penetrated on both sides of the top surface of the top plate 5, and a scraper 13 is arranged at one end of the limiting rod 6, and a scraper 13 is arranged on the outer surface of the limiting rod 6. A spring 7 is sleeved between the scraper 13 and the top plate 5, wherein the hydraulic push rod 4 in the groove 3 in the top surface of the center column 2 drives the push plate 12 to move, and the push plate 12 drives the motor 11 to move while moving, so that the top plate 5 at the output end of the motor 11 moves, and when the collecting boxes 8 on both sides of the bottom surface of the top plate 5 move into the pool body 1, the motor 11 drives the top plate 5 to rotate, so that the collecting boxes 8 on both sides of the bottom surface of the top plate 5 rotate, so that the floating objects on the sewage can enter the collecting box 8. By using the collecting box 8, the floating objects in the sewage can be collected, reducing the residual floating objects in the sewage, which is beneficial to improving the sewage treatment effect.

[0029] In one embodiment, mud discharge pipes 15 are provided on both sides of the bottom surface of the tank body 1, and mud discharge pumps 14 are installed on the mud discharge pipes 15, wherein the sludge in the tank body 1 can be discharged into the tank body 1 by opening the mud discharge pumps 14 on the mud discharge pipes 15.

[0030] In one embodiment, the scraper 13 is matched with the pool body 1, wherein the sludge attached to the inner wall of the pool body 1 can be cleaned by the coordinated use of the limit rod 6, the spring 7 and the scraper 13 to prevent the sludge from remaining on the inner wall of the pool body 1, thereby reducing the limitations during use and facilitating its subsequent normal use.

[0031] In one embodiment, a plurality of through holes 10 are provided, and the plurality of through holes 10 are evenly distributed on the outer surface of the collecting box 8 , wherein the floating objects can be filtered by using the plurality of through holes 10 .

[0032] In one embodiment, the limiting rod 6 is movably connected to the top plate 5 .

[0033] In one embodiment, a drain pipe is provided inside the central column 2, and one end of the drain pipe passes through the bottom surface of the pool body 1. Drain grooves are provided on both side surfaces of the central column 2, and a filter is provided in the drainage groove. The drainage groove is connected to the drain pipe to discharge the treated sewage.

[0034] In one embodiment, two collecting boxes 8 are provided, and the two collecting boxes 8 are evenly distributed on both sides of the bottom surface of the top plate 5 , wherein the floating objects in the sewage can be collected by using the two collecting boxes 8 .

[0035] In one embodiment, the control panel control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

[0036] Working principle:

[0037] When in use, the hydraulic push rod 4 in the groove 3 on the top surface of the center column 2 drives the push plate 12 to move, and the push plate 12 drives the motor 11 to move while moving, so that the top plate 5 at the output end of the motor 11 moves. When the collecting boxes 8 on both sides of the bottom surface of the top plate 5 move into the pool body 1, the motor 11 drives the top plate 5 to rotate, so that the collecting boxes 8 on both sides of the bottom surface of the top plate 5 rotate, so that the floating objects on the sewage can enter the collecting boxes 8. By using the collecting boxes 8, the floating objects in the sewage can be collected. The sludge on the inner wall of the pool body 1 can be cleaned by the cooperation of the limiting rod 6, the spring 7 and the scraper 13, and the limitations during use are reduced, so that it is convenient to maintain its subsequent normal use.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radial flow sedimentation tank for sewage treatment, comprising a tank body (1), characterized in that: A central column (2) is provided at the middle position of the upper surface of the bottom end of the pool body (1), and a groove (3) is provided on the top surface of the central column (2), a hydraulic push rod (4) is installed inside the groove (3), and the output end of the hydraulic push rod (4) is fixedly connected to a push plate (12), a motor (11) is installed on the top surface of the push plate (12), and the output end of the motor (11) is fixedly connected to a top plate (5), collecting boxes (8) are provided on both sides of the bottom surface of the top plate (5), and a through opening (9) is penetrated through the front end surface of the collecting box (8), and a through hole (10) is penetrated through the outer surface of the collecting box (8), and limiting rods (6) are penetrated on both sides of the top surface of the top plate (5), and a scraper (13) is provided at one end of the limiting rod (6), and a spring (7) is sleeved on the outer surface of the limiting rod (6) between the scraper (13) and the top plate (5).

2. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: Mud discharge pipes (15) are provided on both sides of the bottom surface of the pool body (1), and mud discharge pumps (14) are installed on the mud discharge pipes (15).

3. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: The scraper (13) matches the tank body (1).

4. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: A plurality of through holes (10) are provided, and the plurality of through holes (10) are evenly distributed on the outer surface of the collection box (8).

5. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: The limiting rod (6) is movably connected to the top plate (5).

6. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: A drainage pipe is provided inside the central column (2), and one end of the drainage pipe passes through the bottom surface of the pool body (1). Drainage grooves are provided on both side surfaces of the central column (2), and a filter is provided in the drainage groove. The drainage groove is connected to the drainage pipe.

7. A radial flow sedimentation tank for sewage treatment according to claim 1, characterized in that: There are two collecting boxes (8) in total, and the two collecting boxes (8) are evenly distributed on both sides of the bottom surface of the top plate (5).

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