Coal combustion device for thermal power generation

By using hydraulic telescopic rods to increase coal combustion gaps and pneumatic telescopic rods in coal combustion devices for thermal power generation, the problem of insufficient coal combustion in existing devices is solved, the combustion efficiency and power generation capacity are improved, and high efficiency is achieved automatic cleaning.

CN222514008UActive Publication Date: 2025-02-21JUNAN LIYUAN THERMAL POWER CO LTD
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Patent Information

Application Number
CN202421659832.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-02-21
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The existing coal combustion devices for thermal power generation have been wasted due to insufficient coal combustion, which increases the cost of power generation and reduces the practicality of the device.

Method used

A coal combustion device is designed to drive the support column and the lifting frame upwards through a hydraulic telescopic rod to increase the gap between the coal, ensure that the air enters fully, thereby improving the full rate of combustion. At the same time, the pneumatic telescopic rod drives the sliding frame and the barrier door to move upward, and the rotating motor drives the rotating frame to swing, ensuring efficient discharge and cleaning of cinders.

Benefits of technology

By increasing the combustion gap of coal, the adequacy of combustion is improved, the full combustion of coal and the maximum utilization of energy are ensured, and the power generation capacity is improved. At the same time, efficient automatic cleaning of coal is achieved, ensuring the continuous and high-strength work and practicality of the device.

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Abstract

The utility model relates to the technical field of thermal power generation, in particular to a coal combustion device for thermal power generation, which is internally provided with a main box body, a rotating cavity with an upward opening is arranged in the main box body, a rotating shaft is rotatably arranged between the left wall and the right wall of the rotating cavity, a rotating rack is fixedly arranged on the outer circular surface of the rotating shaft, and an ignition cavity is arranged in the rotating rack. A chassis is fixedly arranged in the ignition cavity, a plurality of groups of guide holes are uniformly distributed in the chassis, two groups of positioning racks which are bilaterally symmetrical are fixedly arranged on the end faces of the left side and the right side of the rotating rack, hydraulic telescopic rods are fixedly arranged on the lower end faces of the positioning racks, and a lifting rack is fixedly arranged at the other ends of the hydraulic telescopic rods; a plurality of groups of uniformly distributed supporting columns are fixedly arranged on the upper end surface of the lifting rack and are in one-to-one correspondence with the guide holes, so that gaps among coals are increased, sufficient air is further ensured to enter the gaps of the coals, the sufficient rate of combustion is further increased, the sufficient combustion of the coals is further ensured, the maximum utilization of energy is ensured, and the energy consumption is reduced. And the power generation capacity is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of thermal power generation, in particular to a coal combustion device for thermal power generation. Background Art

[0002] Thermal power generation uses fuel to generate heat, heats water, and forms high-temperature and high-pressure superheated steam. The steam then enters the steam turbine along the pipeline and continues to expand and do work, impacting the turbine rotor to rotate at high speed, driving the generator rotor (electromagnetic field) to rotate, and the stator coil cuts the magnetic field lines, thereby generating electrical energy. During the use of existing thermal power generation coal combustion devices, coal resources are often wasted due to incomplete coal combustion, thereby increasing the cost of thermal power generation and further resulting in poor practicality of thermal power generation coal combustion devices. Utility Model Content

[0003] The purpose of the utility model is to provide a coal combustion device for thermal power generation, which is used to overcome the above-mentioned defects in the prior art.

[0004] According to the utility model, a coal combustion device for thermal power generation comprises a main box body, wherein a rotating chamber opening upward is provided in the main box body, a rotating shaft is rotatably provided between left and right walls of the rotating chamber, a rotating frame is fixedly provided on the outer circumferential surface of the rotating shaft, an ignition chamber is provided in the rotating frame, a chassis is fixedly provided in the ignition chamber, a plurality of evenly distributed guide holes are provided in the chassis, two left-right symmetrical positioning frames are fixedly provided on the left and right end surfaces of the rotating frame, a hydraulic telescopic rod is fixedly provided on the lower end surface of the positioning frame, a lifting frame is fixedly provided on the other end of the hydraulic telescopic rod, a plurality of evenly distributed support columns are fixedly provided on the upper end surface of the lifting frame and correspond one-to-one with the guide holes, thereby ensuring the increase of gaps in the burning coal and the sufficiency of combustion.

[0005] In some embodiments, a rotating motor is fixedly provided in the left wall of the rotating chamber, and the left end surface of the rotating shaft is dynamically connected to the rotating motor.

[0006] In some embodiments, a controller is fixedly provided on the left end surface of the main box body, and the controller plays a cooperative role in regulating various movements.

[0007] In some embodiments, two groups of igniters are fixedly provided in the inner walls on the left and right sides of the ignition chamber and are symmetrical and located above the chassis, so that the igniter plays an ignition role, and a filter net for filtering is fixedly provided in the ignition chamber.

[0008] In some embodiments, an exhaust pipe is fixedly provided on the upper end surface of the rotating frame, a smoke extractor is provided in the exhaust pipe, and the smoke extractor serves the purpose of smoking, a pneumatic telescopic rod capable of telescopic movement is fixedly provided on the upper end surface of the rotating frame, a sliding frame is fixedly provided on the other end of the pneumatic telescopic rod, a blocking door is fixedly provided on the lower end surface of the sliding frame, and two groups of air inlet holes are symmetrically provided on the front end surface of the rotating frame.

[0009] Compared with the prior art, the advantages of the utility model are:

[0010] 1. The utility model is that during the combustion process of coal, two groups of hydraulic telescopic rods that are symmetrical on the left and right open and retract, thereby driving the support column and the lifting frame to start to move upward and penetrate the chassis. At this time, the support column begins to support the coal on the upper side, thereby increasing the gap between the coal, further ensuring that sufficient air enters the gap between the coal, further increasing the full combustion rate, further ensuring the full combustion of the coal and ensuring the maximum utilization of energy, thereby improving the power generation capacity.

[0011] 2. The utility model starts to start through the pneumatic telescopic rod, thereby driving the sliding frame and the blocking door to start moving upward. At the same time, the rotating motor starts to start, thereby driving the rotating frame to swing to a certain angle, thereby ensuring the discharge of coal slag after combustion, and then ensuring efficient and automatic cleaning of coal, thereby ensuring that the device can work continuously and with high intensity, and further ensuring the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a left view of the utility model;

[0013] Figure 2 It is a left view of the utility model;

[0014] Figure 3 It is a front view of the utility model;

[0015] Figure 4 This utility model Figure 3 Schematic diagram of AA in the middle;

[0016] Figure 5 This utility model Figure 2 Schematic diagram of the middle BB;

[0017] Figure 6 This utility model Figure 2 Schematic diagram of CC;

[0018] Figure 7 This utility model Figure 4 Schematic diagram of the appearance of the mid-chassis components.

[0019] In the figure:

[0020] 11. Main box; 12. Rotating chamber; 13. Rotating motor; 14. Rotating shaft; 15. Rotating frame; 16. Controller; 17. Ignition chamber; 18. Positioning frame; 19. Hydraulic telescopic rod; 20. Lifting frame; 21. Support column; 22. Chassis; 23. Guide hole; 24. Filter; 25. Ignitor; 26. Exhaust pipe; 27. Sliding frame; 28. Pneumatic telescopic rod; 29. ​​Blocking door; 30. Smoke extractor. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 7 , is the first embodiment of the utility model, which provides an embodiment of a coal combustion device for thermal power generation, including a main box body 11, wherein a rotating chamber 12 with an opening upward is provided in the main box body 11, a rotating shaft 14 is rotatably provided between the left and right walls of the rotating chamber 12, a rotating frame 15 is fixedly provided on the outer circumferential surface of the rotating shaft 14, an ignition chamber 17 is provided in the rotating frame 15, a chassis 22 is fixedly provided in the ignition chamber 17, a plurality of evenly distributed guide holes 23 are provided in the chassis 22, two left-right symmetrical positioning frames 18 are fixedly provided on the left and right side end surfaces of the rotating frame 15, a hydraulic telescopic rod 19 is fixedly provided on the lower end surface of the positioning frame 18, a lifting frame 20 is fixedly provided on the other end of the hydraulic telescopic rod 19, a plurality of evenly distributed support columns 21 are fixedly provided on the upper end surface of the lifting frame 20 and correspond one-to-one with the guide holes 23, thereby ensuring that the gap between the burning coal and the sufficiency of combustion are increased.

[0024] A rotating motor 13 is fixedly disposed in the left wall of the rotating chamber 12 , and the left end surface of the rotating shaft 14 is dynamically connected to the rotating motor 13 .

[0025] A controller 16 is fixedly disposed on the left end surface of the main box body 11, and the controller 16 plays a role in regulating various movements.

[0026] Two groups of igniters 25 are fixedly provided in the inner walls on the left and right sides of the ignition chamber 17 and are symmetrical and located above the chassis 22 , so that the igniters 25 play an ignition role. A filter net 24 for filtering is fixedly provided in the ignition chamber 17 .

[0027] An exhaust pipe 26 is fixedly provided on the upper end surface of the rotating frame 15, and a smoke extractor 30 is arranged inside the exhaust pipe 26, so that the smoke extractor 30 plays a role in smoking. A pneumatic telescopic rod 28 capable of telescopic movement is fixedly provided on the upper end surface of the rotating frame 15, and a sliding frame 27 is fixedly provided on the other end of the pneumatic telescopic rod 28. A blocking door 29 is fixedly provided on the lower end surface of the sliding frame 27. Two groups of air inlet holes are symmetrically arranged on the front end surface of the rotating frame 15.

[0028] Specific workflow:

[0029] When in use, coal is loaded into the ignition chamber 17, and the coal is ignited by two groups of igniters 25 symmetrically on the left and right. The smoke extractor 30 starts to start, thereby extracting air from the exhaust pipe 26 and the ignition chamber 17. The outside air enters the ignition chamber 17 from the air inlet, thereby realizing the circulation of air. During the combustion of the coal, the two groups of hydraulic telescopic rods 19 symmetrically on the left and right start to retract, thereby driving the support column 21 and the lifting frame 20 to start to move upward and penetrate the chassis 22. At this time, the support column 21 starts to support the coal on the upper side, thereby increasing the gap between the coal, further ensuring that sufficient air enters the gap between the coal.

[0030] When the coal is burned, the pneumatic telescopic rod 28 starts to start, thereby driving the sliding frame 27 and the blocking door 29 to move upward. At the same time, the rotating motor 13 starts to start, thereby driving the rotating frame 15 to swing to a certain angle, thereby ensuring the discharge of the burned coal slag.

[0031] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A coal combustion device for thermal power generation, comprising a main box (11), characterized in that: The main housing (11) is provided with a rotating chamber (12) with an opening facing upward, a rotating shaft (14) is rotatably provided between left and right walls of the rotating chamber (12), a rotating frame (15) is fixedly provided on the outer circumference of the rotating shaft (14), an ignition chamber (17) is provided in the rotating frame (15), a chassis (22) is fixedly provided in the ignition chamber (17), and a plurality of evenly distributed guide holes (23) are provided in the chassis (22); Two groups of symmetrical positioning frames (18) are fixedly provided on the left and right end surfaces of the rotating frame (15); a hydraulic telescopic rod (19) is fixedly provided on the lower end surface of the positioning frame (18); a lifting frame (20) is fixedly provided on the other end of the hydraulic telescopic rod (19); and a plurality of groups of support columns (21) are evenly distributed and correspond one to one with the guide holes (23) on the upper end surface of the lifting frame (20).

2. A coal combustion device for thermal power generation according to claim 1, characterized in that: A rotating motor (13) is fixedly disposed in the left wall of the rotating chamber (12), and the left end surface of the rotating shaft (14) is dynamically connected to the rotating motor (13).

3. A coal combustion device for thermal power generation according to claim 1, characterized in that: A controller (16) is fixedly provided on the left end surface of the main box body (11).

4. A coal combustion device for thermal power generation according to claim 1, characterized in that: Two groups of igniters (25) are fixedly provided in the inner walls on the left and right sides of the ignition chamber (17) and are symmetrical and located above the chassis (22). A filter screen (24) for filtering is fixedly provided in the ignition chamber (17).

5. A coal combustion device for thermal power generation according to claim 1, characterized in that: An exhaust pipe (26) is fixedly provided on the upper end surface of the rotating frame (15), a smoke extractor (30) is arranged inside the exhaust pipe (26), a pneumatic telescopic rod (28) capable of telescopic movement is fixedly provided on the upper end surface of the rotating frame (15), a sliding frame (27) is fixedly provided on the other end of the pneumatic telescopic rod (28), a blocking door (29) is fixedly provided on the lower end surface of the sliding frame (27), and two groups of air inlet holes are symmetrically arranged on the front end surface of the rotating frame (15).