Efficient rotary water decanter
By introducing a bus tube, decanting tank and filter structure into the rotary decanter, combined with a hydraulic telescopic cylinder and an external filter mesh cover, the problem of foreign matter entering the decanting weir tank is solved, the water flow is smooth and the stability of the equipment is achieved, and the safety and convenience of use are improved.
Patent Information
- Application Number
- CN202421894235.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The filter screen in the decanting weir tank of the existing rotary decanter fails to completely block the water port of the decanting weir tank, resulting in foreign matters that may enter, resulting in blockage of the water flow conveying pipeline, which is insecure and inconvenient to use.
An efficient rotary decanter including a bus tube, a decanter and a filter structure is designed. The decanter and the outer connecting tube are combined with an outer filter mesh cover to prevent foreign matter from entering. The decanter is turned over by a hydraulic telescopic cylinder to filtration, and the stability is enhanced by combining the side fixing plate and the lower panel.
Effectively prevent foreign matter from entering the decanting tank and conveying pipeline, ensure smooth water flow, avoid blockage, improve safety and convenience of use, and facilitate maintenance.
Smart Images

Figure CN222974978U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of decanters, in particular to an efficient rotary decanter. Background Technique
[0002] The rotary decanter is developed on the basis of digesting foreign technologies and is specially designed for the sequencing batch biological treatment system, with good hydraulic and mechanical properties. It can achieve a laminar flow state of the water flow entering the weir trough during the decanting process, and the decanting depth is adjustable, so that the water output is adjustable. It is a key equipment for the cyclic activated sludge process.
[0003] In the specification of a rotary decanter in the prior art (publication number CN217498807U), it is mentioned that "a float is fixedly installed on the connecting plate and is parallel to the decanting weir trough; a turning filter is provided on the liquid inlet side of the decanting weir trough, and the turning filter is in abutment with the float. Preferably, the turning filter includes a rotating rod and a filter net, the filter net is placed at the opening of the decanting weir trough, one end of the rotating rod is fixedly connected to the filter net, and the rotating rod is hinged to the decanting weir trough. Preferably, the rotating rod is connected to the decanting weir trough through a return spring", but the filter net in the decanting weir trough in the prior art does not completely block the upper water inlet of the decanting weir trough support, resulting in the possibility of foreign objects entering it, leading to the blockage of the water flow conveying pipeline, and it is not safe, convenient and practical. Content of the Utility Model
[0004] To overcome the defects existing in the prior art, the present invention provides an efficient rotary decanter to solve the problem that the filter net in the decanting weir trough in the prior art does not completely block the upper water inlet of the decanting weir trough support, resulting in the possibility of foreign objects entering it, leading to the blockage of the water flow conveying pipeline, and it is not safe, convenient and practical.
[0005] To achieve the above object, an efficient rotary decanter is provided, which includes a confluence pipe, a decanting trough and a filtering structure. Two groups of guide pipes are connected to the front sides of the left and right parts of the confluence pipe, and the front ends of the guide pipes are connected to the bottom of the decanting trough. A filtering structure is assembled in the decanting trough, and two groups of filtering pockets are arranged on the left and right parts of the filtering structure. A front fixing plate is fixed between the two groups of guide pipes in the middle of the front side of the confluence pipe, a first movable sleeve is sleeved on the front fixing plate, and a hydraulic telescopic cylinder is installed on the first movable sleeve.
[0006] Further, a middle fixing pipe is arranged in the middle of the confluence pipe, outer connecting pipes are arranged at both ends of the confluence pipe, and the guide pipes are communicated with the confluence pipe.
[0007] Further, the outer connecting pipe is sleeved in the sleeve hole opened in the upper part of the connecting seat, an outer filter net cover is fixed on the upper part of the outer side of the connecting seat, and the outer end of the outer connecting pipe is located inside the outer filter net cover.
[0008] Further, two groups of water outlet ports are arranged on both the left and right sides of the bottom of the decanting tank, the front end of the diversion pipe is connected to the lower part of the water outlet port, and a lower inlaid plate is arranged in the middle of the inner bottom of the decanting tank.
[0009] Further, a middle fixing plate is arranged in the middle of the filtering structure, a handle is arranged on the upper end surface of the middle fixing plate, an upper connecting block is arranged on the lower end surface of the middle fixing plate, and the upper connecting block is fitted together with the lower inlaid plate.
[0010] Further, a plurality of groups of side bayonets are arranged on both the front and rear sides of the upper end surface of the decanting tank, a plurality of groups of side fixing plates are arranged at both the front and rear ends of the filtering structure, each group of side fixing plates is fitted in a group of corresponding side bayonets, and screw holes are arranged on the side fixing plates, and fastening bolts are installed in the screw holes.
[0011] The beneficial effects of the present utility model are as follows:
[0012] 1. The water in the decanting tank of the present utility model will be transported to the confluence pipe through the diversion pipe, and the confluence pipe is transported out through the outer connecting pipes on both sides. The outer ends of the outer connecting pipes are located inside the outer filter net cover, which plays a role in preventing foreign objects on the outside from entering the outer connecting pipes and causing blockages, making the water conveyance smoother and more convenient, and the decanting smoother, faster and more efficient.
[0013] 2. The lower inlaid plate arranged at the inner bottom of the decanting tank of the present utility model is fitted and assembled with the side fixing plates, which helps to enhance the stable support of the decanting tank, and the positioning is accurate and reliable, making it more stable and firm, safer and more durable during use.
[0014] 3. The filter pockets arranged on the left and right parts of the filtering structure of the present utility model facilitate the filtering treatment of the water entering the decanting tank, so as to prevent filter residues from entering the decanting tank and causing blockages to the decanting tank, the diversion pipe and the confluence pipe. The filter pockets on the left and right parts of the filtering structure are also convenient for direct cleaning, more convenient and labor-saving, and the filtering structure and the decanting tank are convenient to be assembled together and also convenient to be disassembled, facilitating maintenance and replacement, and being more flexible and practical. Description of the Drawings
[0015] Figure 1 It is a top view schematic diagram of an embodiment of the present utility model;
[0016] Figure 2 It is a cross-sectional schematic diagram of the decanting tank of an embodiment of the present utility model;
[0017] Figure 3 It is a schematic diagram of the filtering structure of an embodiment of the present utility model;
[0018] Figure 4 It is a schematic diagram of the connecting seat of an embodiment of the present utility model.
[0019] In the figure: 1. Manifold pipe; 10. Outer connecting pipe; 11. Connecting seat; 12. Middle fixing pipe; 13. Front fixing plate; 14. First movable sleeve; 15. Hydraulic telescopic cylinder; 16. Diversion pipe; 17. Sleeve hole; 18. Outer filter mesh cover; 2. Decanting tank; 20. Lower inlaid plate; 21. Water outlet; 22. Side bayonet; 3. Filter structure; 30. Middle fixing plate; 31. Handle; 32. Upper connecting block; 33. Side fixing plate; 34. Fastening bolt; 35. Filter pocket; 36. Screw hole. Detailed implementation manner
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should clearly understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present disclosure.
[0021] The following will describe in detail the specific implementation manner of the present utility model with reference to the accompanying drawings.
[0022] Figure 1 It is a top view schematic diagram of an embodiment of the present utility model, Figure 2 It is a sectional view schematic diagram of the decanting tank of an embodiment of the present utility model, Figure 3 It is a schematic diagram of the filter structure of an embodiment of the present utility model and Figure 4 It is a schematic diagram of the connecting seat of an embodiment of the present utility model.
[0023] Referring to Figures 1 to 4 As shown, the present utility model provides an efficient rotary decanter, including a manifold pipe 1, a decanting tank 2 and a filter structure 3. Two groups of diversion pipes 16 are connected to the front sides of the left and right parts of the manifold pipe 1, and the front ends of the diversion pipes 16 are connected to the bottom of the decanting tank 2. A filter structure 3 is assembled in the decanting tank 2, and two groups of filter pockets 35 are arranged on the left and right parts of the filter structure 3. A front fixing plate 13 is fixed between the two diversion pipes 16 in the middle of the front side of the manifold pipe 1, and a first movable sleeve 14 is sleeved on the front fixing plate 13, and a hydraulic telescopic cylinder 15 is installed on the first movable sleeve 14.
[0024] In this embodiment, a middle fixing pipe 12 is provided in the middle of the manifold pipe 1, and outer connection pipes 10 are provided at both the left and right ends of the manifold pipe 1. The diversion pipe 16 is communicated with the manifold pipe 1. The outer connection pipe 10 is sleeved in a socket hole 17 formed in the upper part of the connection seat 11. An outer filter screen cover 18 is fixed on the upper part of the outer side surface of the connection seat 11, and the outer end of the outer connection pipe 10 is located inside the outer filter screen cover 18.
[0025] As a preferred embodiment, the water in the decanting tank 2 of the present utility model is conveyed into the manifold pipe 1 through the diversion pipe 16, and the manifold pipe 1 is conveyed out through the outer connection pipes 10 on both sides. The outer end of the outer connection pipe 10 is located inside the outer filter screen cover 18, which plays a role in preventing foreign objects on the outside from entering the outer connection pipe 10 and causing blockage, making the water conveyance smoother and more convenient.
[0026] In this embodiment, two groups of water outlet openings 21 are provided on both the left and right sides of the bottom of the decanting tank 2. The front end of the diversion pipe 16 is connected to the lower part of the water outlet opening 21. A lower inlay plate 20 is provided in the middle of the inner bottom of the decanting tank 2. A middle fixing plate 30 is provided in the middle of the filtering structure 3. A handle 31 is provided on the upper end surface of the middle fixing plate 30, and an upper connecting block 32 is provided on the lower end surface of the middle fixing plate 30. The upper connecting block 32 is fitted together with the lower inlay plate 20.
[0027] As a preferred embodiment, the lower inlay plate 20 provided at the inner bottom of the decanting tank 2 of the present utility model is fitted and assembled with the side fixing plate 33, which helps to enhance the stable support of the decanting tank 2, and the positioning is accurate and reliable, making it more stable and firm, and more safe and durable during use.
[0028] In this embodiment, a plurality of groups of side bayonet openings 22 are provided on both the front and rear sides of the upper end surface of the decanting tank 2. A plurality of groups of side fixing plates 33 are provided at both the front and rear ends of the filtering structure 3. Each group of side fixing plates 33 is fitted in a group of corresponding side bayonet openings 22. A screw hole 36 is provided on the side fixing plate 33, and a fastening bolt 34 is installed in the screw hole 36.
[0029] As a preferred embodiment, the filter pockets 35 provided on the left and right parts of the filtering structure 3 of the present utility model facilitate the filtering treatment of the water entering the decanting tank 2, so as to prevent filter residues from entering the decanting tank 2 and causing blockage to the decanting tank 2, the diversion pipe 16 and the manifold pipe 1. The filter pockets 35 on the left and right parts of the filtering structure 3 are also convenient for direct cleaning, more convenient and labor-saving. Moreover, the filtering structure 3 and the decanting tank 2 are convenient to be assembled together and also convenient to be disassembled, which is convenient for maintenance and replacement, and is more flexible and practical.
[0030] The utility model can effectively solve the problem that the filter screen in the weir tank of the prior art does not completely block the upper water inlet of the weir tank, resulting in the possible entry of foreign objects, leading to the blockage of the water flow conveying pipeline, and being unsafe, inconvenient and impractical. The utility model uses a telescopic cylinder to drive the weir tank to perform up-and-down flipping activities, and can filter the water body entering the weir tank to prevent foreign objects from entering the weir tank and the conveying pipeline. The water draining is smoother, faster and more efficient, avoiding blockage and affecting the use. Moreover, the weir tank and the filtering structure are convenient to assemble or disassemble, and the maintenance is flexible and labor-saving.
[0031] The above embodiments are used to explain the utility model, rather than limit the utility model. Any modification and change made to the utility model within the spirit of the utility model and the scope of the claimed rights shall be included in the protection scope of the utility model.
Claims
1. A high-efficiency rotary decanter, characterized in that: The invention comprises a confluence pipe (1), a decanting tank (2) and a filtering structure (3), wherein the front sides of the left and right parts of the confluence pipe (1) are connected to two groups of guide pipes (16), and the front ends of the guide pipes (16) are connected to the bottom of the decanting tank (2), the filtering structure (3) is assembled in the decanting tank (2), and the left and right parts of the filtering structure (3) are provided with two groups of filter pockets (35), a front fixed plate (13) is fixed between the two groups of guide pipes (16) in the middle of the front side of the confluence pipe (1), a first movable sleeve (14) is sleeved on the front fixed plate (13), and a hydraulic telescopic cylinder (15) is installed on the first movable sleeve (14).
2. A high-efficiency rotary decanter according to claim 1, characterized in that: A middle fixed pipe (12) is provided in the middle of the conduit (1), and external connecting pipes (10) are provided at both left and right ends of the conduit (1), and the flow guide pipe (16) is connected to the conduit (1).
3. A high-efficiency rotary decanter according to claim 2, characterized in that: The external connection tube (10) is sleeved in a sleeve hole (17) provided on the upper portion of the connection seat (11), an external filter screen cover (18) is fixed to the upper portion of the outer surface of the connection seat (11), and the outer end of the external connection tube (10) is located in the external filter screen cover (18).
4. A high-efficiency rotary decanter according to claim 1, characterized in that: Two groups of water outlet pipes (21) are arranged on both left and right sides of the bottom of the decanting trough (2), and the front end of the guide pipe (16) is connected to the lower part of the water outlet pipe (21), and a lower panel (20) is arranged in the middle of the inner bottom of the decanting trough (2).
5. The high-efficiency rotary decanter according to claim 1, characterized in that: A middle fixing plate (30) is provided in the middle of the filtering structure (3), a handle (31) is provided on the upper end surface of the middle fixing plate (30), and an upper connecting block (32) is provided on the lower end surface of the middle fixing plate (30), and the upper connecting block (32) is embedded with the lower insert plate (20).
6. A high-efficiency rotary decanter according to claim 1, characterized in that: The upper end face of the decanting tank (2) is provided with a plurality of side snap-in openings (22) on both the front and rear sides, and the front and rear ends of the filtering structure (3) are provided with a plurality of side fixing plates (33), each set of side fixing plates (33) is embedded in a corresponding set of side snap-in openings (22), and the side fixing plates (33) are provided with screw holes (36), and fastening bolts (34) are installed in the screw holes (36).
Citation Information
Patent Citations
Rotary water decanter
CN217498807U