Secondary sedimentation tank return sludge treatment equipment

By introducing cleaning brush components and pump structures into the second sedimentation tank return sludge treatment equipment, the equipment blockage problem is solved, automatic cleaning and sludge collection are realized, and filtration efficiency and environmental protection effect are improved.

CN223144336UActive Publication Date: 2025-07-25XINJIANG WOSEN ENVIRONMENTAL PROTECTION TECH LTD
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Patent Information

Application Number
CN202421620118.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-07-25
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing second sedimentation tank return sludge treatment equipment is prone to blockage, resulting in poor filtration effect, prolonged filtration cycle, and requires frequent manual cleaning, which increases labor and material costs.

Method used

A device including a filter connection plate, a cleaning brush assembly, a sliding extrusion plate and a water pump assembly is designed. The cleaning brush assembly is driven to rotate through a refluxer, and the filter connection plate is cleaned. The water pump collects debris, prevents equipment from being blocked, and is conveniently taken out through the limit ring and thrust spring structure to reduce direct sludge discharge.

Benefits of technology

Effectively prevent equipment blockage, reduce maintenance frequency and cost, ensure filtration speed, protect the ecological environment, save human and material resources, and prevent sludge pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sludge treatment engineering, and discloses secondary sedimentation tank return sludge treatment equipment which comprises a connecting mounting pipe, a filtering connecting plate is fixedly connected in the connecting mounting pipe, a return device is fixedly connected in the connecting mounting pipe, the output end of the return device is fixedly connected with a cleaning brush assembly, and the output end of the cleaning brush assembly is fixedly connected with a water tank. A movable linkage round head is fixedly connected to the left end of the cleaning brush assembly, a sliding extrusion plate is slidably connected to the interior of the connecting mounting pipe, a linkage fixing block is fixedly connected to the right end of the sliding extrusion plate, and a water pumping assembly is fixedly connected to the top end of the connecting mounting pipe. According to the utility model, the backflow device is started, the backflow device drives the cleaning brush assembly to rotate, and the cleaning brush assembly cleans the filtering connecting plate, so that the equipment is prevented from being blocked, the frequency and the cost of equipment maintenance are reduced, manpower and material resources are saved, and the original filtering speed is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment engineering, in particular to a secondary sedimentation tank return sludge treatment device. Background Art

[0002] The secondary sedimentation tank is a commonly used device in the sewage treatment process, usually used in the primary sedimentation stage. Return sludge refers to the process of pumping the sludge deposited at the bottom of the sedimentation tank or sedimentation equipment back into the treatment system for further treatment or disposal. This sludge return is usually to improve the efficiency of the treatment system, reduce the sludge production, and optimize the sludge treatment process. A treatment device refers to a mechanical, electronic or chemical device used to treat various substances or fluids. They can be used in different fields, such as industrial production, environmental protection, water treatment, food processing, etc. These devices are of various types and can be divided into multiple types according to their functions and application fields.

[0003] In the prior art, the secondary sedimentation tank return sludge treatment device cannot prevent blockage of the inlet pipe, resulting in poor filtering effect, unsmooth operation of the equipment, extended filtering cycle, and the need for manual cleaning at regular intervals, thus increasing the manual cleaning burden. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a secondary sedimentation tank return sludge treatment device, aiming to improve the problems of long-term filtration, external accumulation during filtration, and reduced filtration speed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: A secondary sedimentation tank return sludge treatment device includes a connecting installation pipe, a filtering connecting plate is fixedly connected inside the connecting installation pipe, a reflux device is fixedly connected inside the connecting installation pipe, a cleaning brush assembly is fixedly connected to the output end of the reflux device, a movable linkage round head is fixedly connected to the left end of the cleaning brush assembly, a sliding extrusion plate is slidably connected inside the connecting installation pipe, a linkage fixing block is fixedly connected to the right end of the sliding extrusion plate, and a water pumping assembly is fixedly connected to the top of the connecting installation pipe.

[0006] As a further description of the above technical scheme:

[0007] The water pumping assembly includes a fixed storage barrel, the bottom end of the fixed storage barrel is fixedly connected to the top of the connecting installation pipe, a water pump is fixedly connected to the rear end of the connecting installation pipe, an output fixed pipe is fixedly connected to the output end of the water pump, an input fixed pipe is fixedly connected to the output end of the water pump, and a collection mechanism is slidably connected inside the fixed storage barrel.

[0008] As a further description of the above technical scheme:

[0009] The collection mechanism includes a collection box, the outside of the collection box is slidably connected inside the fixed storage barrel, the outside of the fixed storage barrel is fixedly connected with a fixed spring housing, the inside of the fixed spring housing is slidably connected with a limit ring, the rear end of the limit ring is fixedly connected with a thrust spring, and the front end of the limit ring is fixedly connected with a mounting post.

[0010] As a further description of the above technical solution:

[0011] The outside of the movable linkage round head is slidably connected inside the linkage fixed block, and the output end of the reflux device is rotatably connected inside the filter connection plate.

[0012] As a further description of the above technical solution:

[0013] The outside of the input fixed pipe is fixedly connected inside the connection installation pipe, and the bottom end of the output fixed pipe is fixedly connected to the top end of the fixed storage barrel.

[0014] As a further description of the above technical solution:

[0015] The front end of the mounting post is slidably connected inside the collection box, and the rear end of the thrust spring is fixedly connected inside the fixed spring housing.

[0016] As a further description of the above technical solution:

[0017] The outside of the limit ring is fixedly connected with a pull block, and a sliding groove is opened inside the fixed spring housing.

[0018] As a further description of the above technical solution:

[0019] The outside of the pull block is slidably connected inside the sliding groove.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, through structures such as the filter connection plate, the cleaning brush assembly, and the sliding extrusion plate, when the reflux device is started, the reflux device drives the cleaning brush assembly to rotate, and the cleaning brush assembly cleans the filter connection plate, preventing the equipment from being blocked, reducing the frequency and cost of equipment maintenance, saving manpower and material resources, and ensuring the original filtering speed.

[0022] 2. In the utility model, through structures such as the mounting post, the thrust spring, and the limit ring, the pull block is toggled and rotated, and the pull block slides into the annular groove of the sliding groove. At this time, the thrust spring pushes the pull block to be stuck in the annular groove of the sliding groove, which is convenient for the removal of the collection box. The sludge collection effectively prevents the direct discharge of sludge into the environment, reduces the pollution of the soil, water body and atmosphere, and protects the ecological environment. Description of the Drawings

[0023] Figure 1 A three-dimensional view of a secondary sedimentation tank return sludge treatment device proposed by the present utility model;

[0024] Figure 2 A schematic diagram of a secondary sedimentation tank return sludge treatment device proposed by the present utility model;

[0025] Figure 3 is Figure 2 An enlarged view of A in

[0026] Figure 4 A sectional view of a secondary sedimentation tank return sludge treatment device proposed by the present utility model;

[0027] Figure 5 A schematic diagram of a secondary sedimentation tank return sludge treatment device proposed by the present utility model.

[0028] Legend description:

[0029] 1. Connecting and installing pipe; 2. Filter connecting plate; 3. Return device; 4. Cleaning brush assembly; 5. Movable linkage round head; 6. Sliding extrusion plate; 7. Linkage fixing block; 8. Water pumping assembly; 801. Fixed storage barrel; 802. Water pump; 803. Output fixed pipe; 804. Input fixed pipe; 9. Collection mechanism; 901. Collection box; 902. Fixed spring housing; 903. Limiting ring; 904. Thrust spring; 905. Installation column; 906. Pulling block; 907. Chute. Specific implementation manners

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figure 1 - Figure 3 , an embodiment provided by the present utility model: A secondary sedimentation tank return sludge treatment device includes a connecting and installing pipe 1. A filter connecting plate 2 is fixedly connected inside the connecting and installing pipe 1. A return device 3 is fixedly connected inside the connecting and installing pipe 1. The output end of the return device 3 is fixedly connected with a cleaning brush assembly 4. When the return device 3 is started, the return device 3 drives the cleaning brush assembly 4 to rotate, and the cleaning brush assembly 4 cleans the filter connecting plate 2 to prevent the blockage of the filter screen.

[0032] The left end of the cleaning brush assembly 4 is fixedly connected with a movable linkage round head 5. A sliding extrusion plate 6 is slidably connected inside the connecting installation pipe 1. The right end of the sliding extrusion plate 6 is fixedly connected with a linkage fixing block 7. A water pumping assembly 8 is fixedly connected to the top of the connecting installation pipe 1. The outside of the movable linkage round head 5 is slidably connected inside the linkage fixing block 7. The output end of the reflux device 3 is rotatably connected inside the filter connecting plate 2. Start the reflux device 3, and the reflux device 3 drives the cleaning brush assembly 4 to rotate. The cleaning brush assembly 4 cleans the filter connecting plate 2. The cleaning brush assembly 4 drives the movable linkage round head 5 to rotate. The movable linkage round head 5 slides inside the linkage fixing block 7. The movable linkage round head 5 pulls the linkage fixing block 7 to move up and down. The linkage fixing block 7 drives the sliding extrusion plate 6 to move up and down, increasing the activity of the water and preventing sludge from adhering to the inside of the connecting installation pipe 1.

[0033] Refer to Figure 1 , the water pumping assembly 8 includes a fixed storage barrel 801. The bottom end of the fixed storage barrel 801 is fixedly connected to the top of the connecting installation pipe 1. A water pump 802 is fixedly connected to the rear end of the connecting installation pipe 1. The output end of the water pump 802 is fixedly connected with an output fixed pipe 803. The output end of the water pump 802 is fixedly connected with an input fixed pipe 804. A collection mechanism 9 is slidably connected inside the fixed storage barrel 801. The outside of the input fixed pipe 804 is fixedly connected inside the connecting installation pipe 1. The bottom end of the output fixed pipe 803 is fixedly connected to the top of the fixed storage barrel 801. Start the water pump 802. The water pump 802 extracts the dirt shaken out by the sliding extrusion plate 6 inside through the input fixed pipe 804 and outputs it to the inside of the fixed storage barrel 801 through the output fixed pipe 803, thus completing the collection of sundries.

[0034] Refer to Figure 4 And Figure 5 , the collection mechanism 9 includes a collection box 901. The outside of the collection box 901 is slidably connected inside the fixed storage barrel 801. A fixed spring shell 902 is fixedly connected to the outside of the fixed storage barrel 801. A limit ring 903 is slidably connected inside the fixed spring shell 902. A thrust spring 904 is fixedly connected to the rear end of the limit ring 903. An installation column 905 is fixedly connected to the front end of the limit ring 903. Rotate the pulling block 906, and the pulling block 906 slides into the transverse groove of the chute 907. At this time, the thrust spring 904 pushes the installation column 905 to slide into the inside of the collection box 901 to complete the fixation of the collection box 901.

[0035] The front end of the mounting column 905 is slidably connected to the interior of the collection box 901, the rear end of the thrust spring 904 is fixedly connected to the interior of the fixed spring shell 902, the outside of the limiting ring 903 is fixedly connected with a pull block 906, the interior of the fixed spring shell 902 is provided with a slide groove 907, the outside of the pull block 906 is slidably connected to the interior of the slide groove 907, the pull block 906 is moved, the pull block 906 is rotated, and the pull block 906 slides into the ring groove of the slide groove 907. At this time, the thrust spring 904 pushes the pull block 906 to be stuck in the ring groove of the slide groove 907, which is convenient for taking out the collection box 901.

[0036] Working principle: start the reflux device 3, the reflux device 3 drives the cleaning brush assembly 4 to rotate, the cleaning brush assembly 4 cleans the filter connecting plate 2 to prevent the filter connecting plate 2 from being blocked, the cleaning brush assembly 4 drives the movable linkage round head 5 to rotate, the movable linkage round head 5 slides inside the linkage fixing block 7, the movable linkage round head 5 pulls the linkage fixing block 7 to move up and down, the linkage fixing block 7 drives the sliding extrusion plate 6 to move up and down, increases the activity of water, prevents sludge from sticking to the inside of the connecting installation pipe 1, prevents equipment from being blocked, reduces the frequency and cost of equipment maintenance, saves manpower and material resources, and ensures the original filtering Speed, start the water pump 802, the water pump 802 extracts the dirt shaken out by the sliding extrusion plate 6 through the input fixed pipe 804, and the water pump 802 outputs it to the interior of the fixed storage bucket 801 through the output fixed pipe 803, thereby completing the collection of debris, and moving the pull block 906, rotating the pull block 906, and the pull block 906 slides into the ring groove of the slide groove 907. At this time, the thrust spring 904 pushes the pull block 906 to be stuck in the ring groove of the slide groove 907, which is convenient for taking out the collection box 901. The sludge collection effectively prevents the sludge from being directly discharged into the environment, reduces the pollution to the soil, water and atmosphere, and protects the ecological environment.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An equipment for treating return sludge of a secondary sedimentation tank, comprising a connecting installation pipe (1), characterized in that: Inside the connecting and mounting pipe (1), a filter connecting plate (2) is fixedly connected. Inside the connecting and mounting pipe (1), a reflux device (3) is fixedly connected. The output end of the reflux device (3) is fixedly connected to a cleaning brush assembly (4). The left end of the cleaning brush assembly (4) is fixedly connected to a movable linkage round head (5). Inside the connecting and mounting pipe (1), a sliding extrusion plate (6) is slidably connected. The right end of the sliding extrusion plate (6) is fixedly connected to a linkage fixing block (7). At the top of the connecting and mounting pipe (1), a water pumping assembly (8) is fixedly connected.

2. The secondary sedimentation tank return sludge treatment equipment according to claim 1, characterized in that: The water pumping assembly (8) includes a fixed storage barrel (801). The bottom end of the fixed storage barrel (801) is fixedly connected to the top of the connecting and mounting pipe (1). At the rear end of the connecting and mounting pipe (1), a water pump (802) is fixedly connected. The output end of the water pump (802) is fixedly connected to an output fixed pipe (803). The output end of the water pump (802) is fixedly connected to an input fixed pipe (804). Inside the fixed storage barrel (801), a collection mechanism (9) is slidably connected.

3. The secondary sedimentation tank return sludge treatment equipment according to claim 2, characterized in that: The collection mechanism (9) includes a collection box (901). The outside of the collection box (901) is slidably connected inside the fixed storage barrel (801). Outside the fixed storage barrel (801), a fixed spring housing (902) is fixedly connected. Inside the fixed spring housing (902), a limiting ring (903) is slidably connected. The rear end of the limiting ring (903) is fixedly connected to a thrust spring (904). The front end of the limiting ring (903) is fixedly connected to a mounting post (905).

4. A secondary sedimentation tank return sludge treatment device according to claim 1, characterized in that: The outside of the movable linkage round head (5) is slidably connected inside the linkage fixing block (7). The output end of the reflux device (3) is rotatably connected inside the filter connecting plate (2).

5. The secondary sedimentation tank return sludge treatment equipment according to claim 2, characterized in that: The outside of the input fixed pipe (804) is fixedly connected inside the connecting and mounting pipe (1). The bottom end of the output fixed pipe (803) is fixedly connected to the top of the fixed storage barrel (801).

6. The secondary sedimentation tank return sludge treatment equipment according to claim 3, characterized in that: The front end of the mounting post (905) is slidably connected inside the collection box (901). The rear end of the thrust spring (904) is fixedly connected inside the fixed spring housing (902).

7. The secondary sedimentation tank return sludge treatment device according to claim 6, characterized in that: The outside of the limiting ring (903) is fixedly connected to a pulling block (906). Inside the fixed spring housing (902), a sliding groove (907) is provided.

8. The secondary sedimentation tank return sludge treatment equipment according to claim 7, characterized in that: The outside of the pulling block (906) is slidably connected inside the sliding groove (907).