Trash blocking device for drainage pump station inlet of drainage culvert of thermal power plant

By designing components such as fixed boxes, crushing boxes and limiting panels at the entrance of drainage culverts in thermal power plants, the problem of difficult separation of wastewater and waste slag is solved, and solid-liquid separation and cleaning is simplified to prevent pipeline blockage.

CN223240813UActive Publication Date: 2025-08-19HUNAN CHINA RESOURCES POWER LIYUJIANG CO LTD
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Patent Information

Application Number
CN202422536716.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-08-19
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

The wastewater and waste slag of existing thermal power plants is difficult to separate solid-liquid, resulting in clogging of pipelines and difficult to clean up the filter plates.

Method used

A sewage blocking device at the entrance of drainage culvert drainage pump station of thermal power plant is designed, including a fixed box, a crushing box and a limiting plate. The solid-liquid separation and cleaning are achieved through filter holes, crushing knives and brushes to prevent clogging.

Benefits of technology

Effective solid-liquid separation of wastewater and waste slag is achieved, pipeline blockage is reduced, cleaning process is simplified, and emission efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a thermal power plant drainage culvert drainage pump station inlet trash holding device, which relates to the technical field of thermal power plant drainage trash holding and comprises a fixing box, a water inlet is arranged at the top of the fixing box, a fixing plate is arranged on one side of the inner wall of the fixing box, and a first filter hole is arranged at the top of the fixing plate. And a crushing box is fixedly mounted on one side of the inner wall of the fixed box. According to the waste water and waste residue crushing device, when waste water and waste residues enter the fixing box, the waste residues enter the crushing box through the fixing plate, the waste water falls to the bottom of the inner wall of the fixing box through first filtering holes, a first motor is started, and the waste residues are crushed under the action of a crushing cutter and fall to the top of a limiting plate through a first clamping groove; waste water slides into the collecting box through a limiting plate, and the waste water falls to the bottom of the inner wall of the fixing box through second filtering holes, so that solid-liquid separation of waste water and waste residues can be better carried out, the waste water and waste residues are discharged more conveniently, and a pipeline is not prone to being blocked.
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Description

Technical Field

[0001] The utility model relates to the technical field of drainage and sewage interception in thermal power plants, in particular to a sewage interception device at the inlet of a drainage culvert and drainage pump station in a thermal power plant. Background Art

[0002] A thermal power plant, also known as a thermal power plant, uses combustible materials (such as coal) as fuel to produce electricity. The basic production process is as follows: The combustion of the fuel heats water to generate steam, converting the fuel's chemical energy into thermal energy. The steam pressure then drives a turbine, converting the thermal energy into mechanical energy. The turbine then drives a generator, converting the mechanical energy into electrical energy.

[0003] Existing thermal power plants generate electricity by burning coal, natural gas, and oil. They often produce a certain amount of wastewater and waste residue. The wastewater and waste residue are difficult to separate into solid and liquid, and will stick together, causing certain blockages in the pipeline during discharge. After long-term use, the filter plate will cause blockage and be difficult to clean. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that wastewater and waste residue are difficult to separate into solid and liquid and the filter plate is difficult to clean, and proposes a sewage intercepting device at the inlet of a drainage culvert and drainage pump station of a thermal power plant.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sewage intercepting device at the entrance of a drainage culvert and drainage pump station of a thermal power plant, comprising a fixed box, a water inlet is opened on the top of the fixed box, a fixed plate is provided on one side of the inner wall of the fixed box, a first filter hole is opened on the top of the fixed plate, a crushing box is fixedly installed on one side of the inner wall of the fixed box, a first limiting groove is opened on one side of the crushing box, one end of the fixed plate is located inside the first limiting groove, a first motor is fixedly installed on one side of the fixed box, a rotating shaft is provided at the output end of the first motor, the rotating shaft is located inside the crushing box, a crushing knife is provided on the outer surface of the rotating shaft, and a first card slot is opened at the bottom of the crushing box.

[0006] Preferably, a limiting plate is provided on one side of the inner wall of the fixed box, and a second filter hole is provided on the top of the limiting plate.

[0007] Preferably, a fixing pad is provided at the bottom of the inner wall of the fixing box, a collection box is provided on the top of the fixing pad, and a second card slot is provided on one side of the collection box.

[0008] Preferably, a second limiting groove is provided on one side of the fixed box, the collecting box matches the second limiting groove, a fixed cover is provided inside the second limiting groove, and a handle is provided on one side of the fixed cover.

[0009] Preferably, the second motor is fixedly installed on one side of the fixed box, a threaded rod is provided at the output end of the second motor, a fixing ring is sleeved on the outer surface of the threaded rod, a fixing block is provided on the outer surface of the fixing ring, a limiting hole is provided on one side of the fixing block, a fixing rod is fixedly installed on one side of the inner wall of the fixed box, the fixing rod is located inside the limiting hole, a brush is provided on the top of the fixed block, and the brush fits with the second filter hole.

[0010] Preferably, a drainage pipe is provided on one side of the fixed box, and a control valve is provided on the outer surface of the drainage pipe.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are:

[0012] 1. In the utility model, a fixing plate is provided on one side of the inner wall of the fixing box, a first filter hole is provided on the top of the fixing plate, a crushing box is installed on one side of the inner wall of the fixing box, a first limiting groove is provided on one side of the crushing box, one end of the fixing plate is located inside the first limiting groove, a first motor is installed on one side of the fixing box, a rotating shaft is provided on the output end of the first motor, the rotating shaft is located inside the crushing box, a crushing knife is provided on the outer surface of the rotating shaft, a first slot is provided on the bottom of the crushing box, a limiting plate is provided on one side of the inner wall of the fixing box, a second filter hole is provided on the top of the limiting plate, and a fixing plate is provided on the bottom of the inner wall of the fixing box Pad, a collecting box is set on the top of the fixed pad, and a second slot is opened on one side of the collecting box. When wastewater and waste residue enter the interior of the fixed box, the waste residue enters the interior of the crushing box through the fixed plate, and the wastewater falls to the bottom of the inner wall of the fixed box through the first filter hole. The first motor is turned on, and the waste residue is crushed by the action of the crushing knife, falls to the top of the limit plate through the first slot, and slides to the interior of the collecting box through the limit plate. The wastewater falls to the bottom of the inner wall of the fixed box through the second filter hole, so that the wastewater and waste residue can be better separated from the solid and liquid, and the discharge of wastewater and waste residue is more convenient and not easy to clog the pipeline.

[0013] 2. In the utility model, a second motor is installed on one side of the fixed box, a threaded rod is provided at the output end of the second motor, a fixing ring is sleeved on the outer surface of the threaded rod, a fixing block is provided on the outer surface of the fixing ring, a limiting hole is opened on one side of the fixing block, a fixing rod is installed on one side of the inner wall of the fixed box, the fixing rod is located inside the limiting hole, a brush is provided on the top of the fixing block, and the brush fits with the second filter hole. When waste residue falls on the top of the limiting plate and causes the second filter hole to be blocked, the second motor can be turned on, and the fixed block moves with the rotation of the threaded rod, and the brush cleans the second filter hole, which can effectively prevent the limiting plate from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model proposes a three-dimensional structural diagram of a sewage interception device at the inlet of a drainage culvert and drainage pump station of a thermal power plant;

[0015] Figure 2 This is a three-dimensional cross-sectional view of a sewage interception device at the inlet of a drainage culvert and drainage pump station in a thermal power plant proposed in the utility model;

[0016] Figure 3 The utility model proposes a three-dimensional structural diagram of a crushing box in a sewage interception device at the inlet of a drainage culvert and drainage pump station in a thermal power plant;

[0017] Figure 4 The utility model provides a three-dimensional structural diagram of a fixed block in a sewage interception device at the inlet of a drainage culvert and drainage pump station in a thermal power plant.

[0018] Legend: 1. Fixing box; 2. Water inlet; 3. Fixing plate; 4. First filter hole; 5. Crushing box; 6. First limiting groove; 7. First motor; 8. Rotating shaft; 9. Crushing knife; 10. First slot; 11. Limiting plate; 12. Second filter hole; 13. Fixing pad; 14. Collecting box; 15. Second slot; 16. Second limiting groove; 17. Fixing cover; 18. Handle; 19. Second motor; 20. Threaded rod; 21. Fixing ring; 22. Fixing block; 23. Limiting hole; 24. Fixing rod; 25. Brush; 26. Drain pipe; 27. Control valve. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1, as Figure 1 - Figure 4 As shown, the utility model provides a sewage intercepting device at the entrance of a drainage culvert and drainage pump station in a thermal power plant, comprising a fixed box 1, a water inlet 2 being opened on the top of the fixed box 1, a fixed plate 3 being arranged on one side of the inner wall of the fixed box 1, a first filter hole 4 being opened on the top of the fixed plate 3, a crushing box 5 being fixedly installed on one side of the inner wall of the fixed box 1, a first limiting groove 6 being opened on one side of the crushing box 5, one end of the fixed plate 3 being located inside the first limiting groove 6, a first motor 7 being fixedly installed on one side of the fixed box 1, a rotating shaft 8 being arranged on the output end of the first motor 7, the rotating shaft 8 being located inside the crushing box 5, a crushing knife 9 being arranged on the outer surface of the rotating shaft 8, and a first card slot 10 being opened on the bottom of the crushing box 5.

[0022] The effect achieved by the entire embodiment 1 is as follows: a water inlet 2 is provided at the top of the fixed box 1, a fixed plate 3 is provided on one side of the inner wall of the fixed box 1, and a first filtering hole 4 is provided on the top of the fixed plate 3. When the thermal power plant is working, a certain amount of wastewater and waste residue will be discharged. The wastewater and waste residue enter the interior of the fixed box 1 through the water inlet 2. The wastewater and waste residue undergo the first solid-liquid separation under the action of the first filtering hole 4. A crushing box 5 is fixedly installed on one side of the inner wall of the fixed box 1, a first limiting groove 6 is provided on one side of the crushing box 5, one end of the fixed plate 3 is located inside the first limiting groove 6, a first motor 7 is fixedly installed on one side of the fixed box 1, a rotating shaft 8 is provided at the output end of the first motor 7, the rotating shaft 8 is located inside the crushing box 5, a crushing knife 9 is provided on the outer surface of the rotating shaft 8, and a first card slot 10 is provided at the bottom of the crushing box 5. The waste residue enters the interior of the crushing box 5 through the fixed plate 3. By turning on the first motor 7, the waste residue is crushed by the action of the crushing knife 9 and falls on the top of the limiting plate 11 through the first card slot 10.

[0023] Example 2, as Figure 1 - Figure 4 As shown, a limiting plate 11 is provided on one side of the inner wall of the fixed box 1, and a second filter hole 12 is provided on the top of the limiting plate 11; a fixing pad 13 is provided on the bottom of the inner wall of the fixed box 1, a collecting box 14 is provided on the top of the fixing pad 13, and a second card slot 15 is provided on one side of the collecting box 14; a second limiting slot 16 is provided on one side of the fixed box 1, and the collecting box 14 matches the second limiting slot 16, a fixing cover 17 is provided inside the second limiting slot 16, and a handle 18 is provided on one side of the fixing cover 17; a second electric Machine 19, a threaded rod 20 is provided at the output end of the second motor 19, a fixing ring 21 is sleeved on the outer surface of the threaded rod 20, a fixing block 22 is provided on the outer surface of the fixing ring 21, a limiting hole 23 is provided on one side of the fixing block 22, a fixing rod 24 is fixedly installed on one side of the inner wall of the fixing box 1, the fixing rod 24 is located inside the limiting hole 23, a brush 25 is provided on the top of the fixing block 22, and the brush 25 is in contact with the second filter hole 12; a drain pipe 26 is provided on one side of the fixing box 1, and a control valve 27 is provided on the outer surface of the drain pipe 26.

[0024] The effect achieved by the entire embodiment 2 is as follows: a limiting plate 11 is provided on one side of the inner wall of the fixed box 1, and a second filter hole 12 is provided on the top of the limiting plate 11. The waste residue can enter the interior of the collection box 14 through the action of the limiting plate 11, and the waste water and waste residue can be subjected to a second solid-liquid separation through the action of the second filter hole 12. The discharge and collection of the waste water and waste residue is more convenient and not easy to clog the pipeline; a fixed pad 13 is provided on the bottom of the inner wall of the fixed box 1, and a collection box 14 is provided on the top of the fixed pad 13. A second card slot 15 is provided on one side of the collection box 14, and the crushed waste residue can be collected through the action of the collection box 14; a second limiting groove 16 is provided on one side of the fixed box 1, and the collection box 14 matches the second limiting groove 16. A fixed cover 17 is provided inside the second limiting groove 16, and a handle 18 is provided on one side of the fixed cover 17. The second limiting groove 16 can make it more convenient to place and take out the collection box 14; A second motor 19 is fixedly installed on one side of the fixed box 1, and a threaded rod 20 is provided at the output end of the second motor 19. A fixing ring 21 is sleeved on the outer surface of the threaded rod 20, and a fixing block 22 is provided on the outer surface of the fixing ring 21. A limiting hole 23 is provided on one side of the fixing block 22, and a fixing rod 24 is fixedly installed on one side of the inner wall of the fixed box 1. The fixing rod 24 is located inside the limiting hole 23, and a brush 25 is provided on the top of the fixing block 22. The brush 25 fits with the second filter hole 12. When waste residue falls on the top of the limiting plate 11 and causes blockage of the second filter hole 12, the second motor 19 can be turned on, and the fixing block 22 moves as the threaded rod 20 rotates, and the brush 25 cleans the second filter hole 12, which can effectively prevent the limiting plate 11 from being blocked; a drain pipe 26 is provided on one side of the fixed box 1, and a control valve 27 is provided on the outer surface of the drain pipe 26. The function of the drain pipe 26 can make the discharge of wastewater more convenient.

[0025] Working principle: When a thermal power plant is working, a certain amount of wastewater and waste residue will be discharged. The wastewater and waste residue enter the interior of the fixed box 1 through the water inlet 2. Under the action of the first filter hole 4, the wastewater and waste residue undergo the first solid-liquid separation, and the waste residue enters the interior of the crushing box 5 through the fixed plate 3. By turning on the first motor 7, the waste residue is crushed by the crushing knife 9 and falls on the top of the limiting plate 11 through the first slot 10. The limiting plate 11 has a certain inclination angle, which can allow the waste residue to slide into the interior of the collection box 14. Through the action of the second filter hole 12, the wastewater and waste residue undergo a second solid-liquid separation, so that the waste residue can be better collected. Under the action of the drain pipe 26, the wastewater discharge is more convenient and not easy to clog the pipe. When the limiting plate 11 is used for a long time, the waste residue falls on the top of the limiting plate 11 and causes blockage of the second filter hole 12, the second motor 19 can be turned on, and the fixed block 22 moves with the rotation of the threaded rod 20. The brush 25 cleans the second filter hole 12, which can effectively prevent the limiting plate 11 from being blocked.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A sewage interception device for the inlet of a drainage culvert and a drainage pump station in a thermal power plant, comprising a fixed box (1), characterized in that: A water inlet (2) is provided on the top of the fixed box (1), a fixed plate (3) is provided on one side of the inner wall of the fixed box (1), a first filter hole (4) is provided on the top of the fixed plate (3), a crushing box (5) is fixedly installed on one side of the inner wall of the fixed box (1), a first limiting groove (6) is provided on one side of the crushing box (5), one end of the fixed plate (3) is located inside the first limiting groove (6), a first motor (7) is fixedly installed on one side of the fixed box (1), a rotating shaft (8) is provided at the output end of the first motor (7), the rotating shaft (8) is located inside the crushing box (5), a crushing knife (9) is provided on the outer surface of the rotating shaft (8), and a first card slot (10) is provided at the bottom of the crushing box (5).

2. The sewage intercepting device at the inlet of a drainage culvert and drainage pump station of a thermal power plant according to claim 1, characterized in that: A limiting plate (11) is provided on one side of the inner wall of the fixed box (1), and a second filter hole (12) is provided on the top of the limiting plate (11).

3. The sewage intercepting device at the inlet of a drainage culvert and drainage pump station of a thermal power plant according to claim 1, characterized in that: A fixing pad (13) is provided at the bottom of the inner wall of the fixing box (1), a collecting box (14) is provided on the top of the fixing pad (13), and a second card slot (15) is provided on one side of the collecting box (14).

4. The sewage interception device at the inlet of a drainage culvert and drainage pump station of a thermal power plant according to claim 3, characterized in that: A second limiting groove (16) is provided on one side of the fixed box (1), the collecting box (14) matches the second limiting groove (16), a fixed cover (17) is provided inside the second limiting groove (16), and a handle (18) is provided on one side of the fixed cover (17).

5. The sewage intercepting device at the inlet of a drainage culvert and drainage pump station of a thermal power plant according to claim 2, characterized in that: A second motor (19) is fixedly mounted on one side of the fixed box (1), a threaded rod (20) is provided at the output end of the second motor (19), a fixed ring (21) is sleeved on the outer surface of the threaded rod (20), a fixed block (22) is provided on the outer surface of the fixed ring (21), a limiting hole (23) is provided on one side of the fixed block (22), a fixed rod (24) is fixedly mounted on one side of the inner wall of the fixed box (1), the fixed rod (24) is located inside the limiting hole (23), a brush (25) is provided on the top of the fixed block (22), and the brush (25) is in contact with the second filter hole (12).

6. The sewage interception device at the inlet of a drainage culvert and drainage pump station of a thermal power plant according to claim 1, characterized in that: A drainage pipe (26) is provided on one side of the fixed box (1), and a control valve (27) is provided on the outer surface of the drainage pipe (26).