Circulating waste gas treatment device for coal-fired boiler

By designing a circulating exhaust gas treatment device for coal-fired boiler with movable components including compression springs, telescopic springs and clamping blocks, the complex and time-consuming operation when replacing the filter in the prior art is solved, and the rapid disassembly of the filter is achieved, and maintenance efficiency and purification effect are improved.

CN222804915UActive Publication Date: 2025-04-29LIAONING HUADIAN TIELING POWER GENERATION CO LTD
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Patent Information

Application Number
CN202421653293.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-04-29
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

When replacing the filter screen of the existing circulating exhaust gas treatment device for coal-fired boilers, the bolts need to be removed. The operation is complicated and time-consuming, which affects the maintenance efficiency and may cause the bolts to wear or damage, affecting the purification effect.

Method used

A circulating exhaust gas treatment device for coal-fired boiler including several troughs and movable components of the inner wall of the main body is designed. The movable component is equipped with a compression spring, a telescopic spring and a clamping block. Through the coordinated movement of these components, the rapid disassembly of the filter mesh is achieved.

Benefits of technology

Through the design of the device, the impact on maintenance efficiency is reduced, the probability of bolts worn or damaged is reduced, the purification effect is improved, and the damage to the equipment itself is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a circulating waste gas treatment device for a coal-fired boiler, which relates to the technical field of waste gas treatment and comprises a main body, a plurality of placement grooves are formed in the inner wall of the main body, movable components are fixedly connected in the placement grooves, and filter screens are arranged on the inner walls of the movable components. A movable rod extrudes two movable blocks, the two movable blocks drive a clamping block to move synchronously, the clamping block extrudes a telescopic spring in the moving process, the clamping block loses clamping of the filter screen, then a fixed block is pressed towards the direction of a placement groove, and the fixed block loses limiting of the filter screen, so that the filter screen can be conveniently placed in the placement groove. The filter screen is detached after the filter screen is not limited by the fixing blocks and the clamping blocks, so that the influence on the maintenance efficiency is reduced, the probability that bolts are possibly abraded or damaged and the fastening effect of the bolts is influenced due to frequent detachment and installation of the bolts is reduced, and the possibility that the equipment is damaged and the purification effect is influenced is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a circulating waste gas treatment device for a coal-fired boiler. Background Art

[0002] The circulating exhaust gas treatment device for coal-fired boilers is a device specially designed to treat the exhaust gas emitted by coal-fired boilers to reduce its pollution to the environment. The circulating exhaust gas treatment device for coal-fired boilers is based on the principles of recycling and efficient purification. Through a series of physical and chemical processes, it removes or transforms harmful substances in the exhaust gas generated by coal-fired boilers, while recovering as much heat and resources as possible in the exhaust gas.

[0003] At present, after the filter of the circulating exhaust gas treatment device for coal-fired boilers has been used for a long time, its ability to capture dust and impurities will gradually decrease, which will lead to a decrease in purification efficiency. At this time, the filter needs to be replaced. When replacing the filter of the existing circulating exhaust gas treatment device for coal-fired boilers, the filter is usually replaced by removing the bolts. Removing the bolts requires certain skills and time, especially when the filter is relatively hidden or the space is small, the operation difficulty will be further increased, thus affecting the maintenance efficiency. Frequent removal and installation of bolts may cause wear or damage of the bolts, affecting their tightening effect, and may also cause damage to the equipment itself, which may affect the purification effect. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a circulating exhaust gas treatment device for a coal-fired boiler.

[0005] The utility model provides a circulating waste gas treatment device for a coal-fired boiler, comprising a main body, a plurality of placement grooves are provided on the inner wall of the main body, a plurality of movable components are fixedly connected to the inner walls of the placement grooves, and a filter screen is provided on the inner wall of the movable component;

[0006] The movable component includes a compression spring, which is fixedly connected to the inner wall of the placement groove, and one end of the compression spring away from the inner wall of the placement groove is fixedly connected to a fixed block, a number of telescopic springs are fixedly connected to both sides of the inner wall of the fixed block, and the ends of the several telescopic springs away from the fixed block are all fixedly connected to a clamping block, and the end of the clamping block away from the telescopic spring is movably connected to the inner wall of a through hole opened at one end of the filter screen, a movable block is fixedly connected to the bottom of the clamping block, one end of the movable block is movably connected to a movable rod, and the movable rod is movably connected to the inner wall of the through hole opened on the side wall of the main body.

[0007] Preferably, the top of the main body is connected to a water tank, and the inner wall of the water tank is connected to a water pump.

[0008] Preferably, the inner wall of the main body is connected to a partition wall, one side of the partition wall is connected to a working motor, the inner wall of the main body is connected to a dosing room, the inner wall of the dosing room is connected to a solid pump, the bottom of the dosing room is connected to a stirring motor, the output end of the stirring motor is connected to a stirring fan, the inner wall of the main body is connected to a hydraulic cylinder, the bottom of the hydraulic cylinder is connected to a baffle, and a collecting tank is provided at the bottom of the inner wall of the main body.

[0009] Preferably, a hinge is connected to the top of the main body, and a movable door is connected to the bottom of the hinge.

[0010] Preferably, the output end of the working motor is connected to a fan.

[0011] Preferably, a supporting leg is connected to the bottom of the main body, and an air inlet is connected to one side of the main body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a circulating exhaust gas treatment device for a coal-fired boiler. During its specific implementation, when the filter needs to be disassembled, the movable door is first opened and the movable rod is pressed. The movable rod squeezes two movable blocks, and the two movable blocks drive the clamping blocks to move synchronously. The clamping blocks squeeze the telescopic springs during the movement, and the clamping blocks lose their clamping of the filter. Then the fixed blocks are pressed in the direction of the mounting groove, and the fixed blocks lose their limit on the filter. Therefore, the filter is disassembled by losing the limit on the filter by the fixed blocks and the clamping blocks. The filter is disassembled by the above mechanism, which reduces the impact on maintenance efficiency, reduces the probability that frequent disassembly and installation of bolts may cause wear or damage to the bolts, affecting their fastening effect, and reduces the possibility of damage to the equipment itself and affecting the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a circulating exhaust gas treatment device for a coal-fired boiler provided by the utility model;

[0015] Figure 2 for Figure 1 The schematic diagram of the cutaway structure shown;

[0016] Figure 3 for Figure 1 A schematic diagram of a cutaway structure from another perspective shown;

[0017] Figure 4 for Figure 2 A schematic diagram of the structure of the active components shown;

[0018] Figure 5 for Figure 4A structural schematic diagram of another perspective of the active components shown.

[0019] Numbers in the figure: 1. Main body; 2. Support leg; 3. Air inlet; 4. Hinge; 5. Movable door; 6. Water tank; 7. Water pump; 8. Dosing room; 9. Solid pump; 10. Stirring motor; 11. Stirring fan; 12. Hydraulic cylinder; 13. Baffle; 14. Collecting tank; 15. Partition wall; 16. Working motor; 17. Compression spring; 18. Fixed block; 19. Telescopic spring; 20. Clamping block; 21. Movable block; 22. Movable rod; 23. Mounting groove; 24. Filter. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with specific embodiments.

[0021] like Figures 1 to 5As shown, the inner wall of the main body 1 is provided with a plurality of placement grooves 23, the inner walls of the plurality of placement grooves 23 are fixedly connected with movable components, the inner wall of the movable component is provided with a filter screen 24, the movable component includes a compression spring 17, the compression spring 17 is fixedly connected to the inner wall of the placement groove 23, and the end of the compression spring 17 away from the inner wall of the placement groove 23 is fixedly connected to a fixed block 18, the inner walls of the fixed block 18 are fixedly connected with a plurality of telescopic springs 19 on both sides, and the ends of the plurality of telescopic springs 19 away from the fixed block 18 are fixedly connected with a clamping block 20, and the clamping block 20 One end away from the telescopic spring 19 is movably connected to the inner wall of the through hole opened at one end of the filter screen 24, the bottom of the clamping block 20 is fixedly connected to a movable block 21, one end of the movable block 21 is movably connected to a movable rod 22, the movable rod 22 is movably connected to the inner wall of the through hole opened on the side wall of the main body 1, the top of the main body 1 is connected to a water tank 6, the inner wall of the water tank 6 is connected to a water pump 7, the inner wall of the main body 1 is connected to a partition wall 15, one side of the partition wall 15 is connected to a working motor 16, the inner wall of the main body 1 is connected to a dosing room 8, the inner wall of the dosing room 8 is connected to a fixed The bottom of the dosing room 8 is connected with a stirring motor 10, and the output end of the stirring motor 10 is connected with a stirring fan 11. The inner wall of the main body 1 is connected with a hydraulic cylinder 12, and the bottom of the hydraulic cylinder 12 is connected with a baffle 13. The bottom of the inner wall of the main body 1 is provided with a collecting tank 14, the top of the main body 1 is connected with a hinge 4, and the bottom of the hinge 4 is connected with a movable door 5. The output end of the working motor 16 is connected with a fan, the bottom of the main body 1 is connected with a supporting leg 2, and one side of the main body 1 is connected with an air inlet 3. When the filter 24 needs to be disassembled, First, open the movable door 5 and press the movable rod 22. The movable rod 22 squeezes the two movable blocks 21. The two movable blocks 21 drive the clamping block 20 to move synchronously. The clamping block 20 squeezes the telescopic spring 19 during the movement. The clamping block 20 loses its clamping of the filter screen 24. Then press the fixed block 18 in the direction of the placement groove 23. The fixed block 18 loses the limit on the filter screen 24. Therefore, the filter screen 24 is disassembled by the fixed block 18 and the clamping block 20 losing the limit on the filter screen 24.

[0022] The working principle provided by the utility model is as follows: when the filter screen 24 needs to be disassembled, the movable door 5 is first opened, and the movable rod 22 is pressed. The movable rod 22 squeezes the two movable blocks 21, and the two movable blocks 21 drive the clamping block 20 to move synchronously. The clamping block 20 squeezes the telescopic spring 19 during the movement, and the clamping block 20 loses its clamping of the filter screen 24. Then the fixed block 18 is pressed in the direction of the placement groove 23, and the fixed block 18 loses the limit on the filter screen 24. Therefore, the filter screen 24 is disassembled by the fixed block 18 and the clamping block 20 losing the limit on the filter screen 24.

Claims

1. A circulating exhaust gas treatment device for a coal-fired boiler, characterized in that: It comprises a main body (1), the inner wall of the main body (1) is provided with a plurality of placement grooves (23), the inner walls of the plurality of placement grooves (23) are fixedly connected with movable components, and the inner wall of the movable component is provided with a filter screen (24); The movable assembly comprises a compression spring (17), the compression spring (17) being fixedly connected to the inner wall of the placement groove (23), and one end of the compression spring (17) away from the inner wall of the placement groove (23) being fixedly connected to a fixed block (18), and a plurality of telescopic springs (19) being fixedly connected to both sides of the inner wall of the fixed block (18), and one end of the plurality of telescopic springs (19) away from the fixed block (18) being fixedly connected to a clamping block (20), and one end of the clamping block (20) away from the telescopic spring (19) being movably connected to the inner wall of a through hole formed at one end of the filter screen (24), and a movable block (21) being fixedly connected to the bottom of the clamping block (20), and one end of the movable block (21) being movably connected to a movable rod (22), and the movable rod (22) being movably connected to the inner wall of the through hole formed on the side wall of the main body (1).

2. The circulating exhaust gas treatment device for a coal-fired boiler according to claim 1, characterized in that: The top of the main body (1) is connected to a water tank (6), and the inner wall of the water tank (6) is connected to a water pump (7).

3. The circulating exhaust gas treatment device for a coal-fired boiler according to claim 2, characterized in that: The inner wall of the main body (1) is connected to a partition wall (15), one side of the partition wall (15) is connected to a working motor (16), the inner wall of the main body (1) is connected to a dosing room (8), the inner wall of the dosing room (8) is connected to a solid pump (9), the bottom of the dosing room (8) is connected to a stirring motor (10), the output end of the stirring motor (10) is connected to a stirring fan (11), the inner wall of the main body (1) is connected to a hydraulic cylinder (12), the bottom of the hydraulic cylinder (12) is connected to a baffle (13), and a collecting tank (14) is provided at the bottom of the inner wall of the main body (1).

4. The circulating exhaust gas treatment device for a coal-fired boiler according to claim 3, characterized in that: The top of the main body (1) is connected to a hinge (4), and the bottom of the hinge (4) is connected to a movable door (5).

5. The circulating exhaust gas treatment device for a coal-fired boiler according to claim 4, characterized in that: The output end of the working motor (16) is connected to a fan.

6. The circulating exhaust gas treatment device for a coal-fired boiler according to claim 5, characterized in that: The bottom of the main body (1) is connected to a support leg (2), and one side of the main body (1) is connected to an air inlet (3).