Coal particulate matter state momentum balancing device

By designing a coal particle state momentum equalization device, the problem of coal particle stacking during combustion of the coal powder furnace is solved by using components such as feed processing, material conduction, uniform material disturbance, internal agitation and air pump system, the problem of coal particle stacking during combustion is solved, the uniform distribution of coal particles and the adequacy of combustion is achieved, and fuel waste is reduced.

CN222773291UActive Publication Date: 2025-04-18YUHENG POWER STATION OF SHAANXI HUADIAN YUHENG COAL POWER CO LTD
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Patent Information

Application Number
CN202421494813.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-18
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing coal pulverized coal furnaces are prone to stacking coal particles during combustion, resulting in insufficient combustion and waste of fuel. The internal particulate state adjustment mechanism in the existing technology is single, which cannot effectively solve this problem.

Method used

A coal particulate matter state momentum equalization device is designed, including a combustion chamber, feed processing mechanism, a material guide mechanism, a uniform material disturbance mechanism, an internal agitation mechanism and an air pump system. Through the synergistic action of these components, the uniform distribution and active state of coal particulate matter are achieved.

Benefits of technology

Through the use of this device, the stacking and blockage of coal particles can be effectively avoided, the coal particles can be evenly distributed in the combustion chamber, the adequacy of combustion, the reduction of fuel waste, and the activity of coal particles can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal particle state momentum balancing device which comprises a combustion chamber, a feeding channel is fixedly connected to the top of the combustion chamber, a feeding processing mechanism is arranged on the top of the inner wall of the feeding channel, and a material guiding mechanism is arranged at the bottom of the inner wall of the feeding channel. Uniform material disturbing mechanisms are arranged at the two ends of the outer wall of the bottom of the feeding channel, and a bottom bearing mechanism is arranged at the bottom of the inner wall of the combustion chamber. Particles falling from the feeding channel can be scattered through the uniform material disturbing mechanism, the coal particles can be uniformly distributed in the combustion chamber, sufficient combustion is guaranteed, the coal particles can be further stirred through the internal stirring mechanism, the state activity of the coal particles is guaranteed, sufficient combustion is further guaranteed, and the combustion efficiency is improved. And the fixed plate and the internal filter plate are connected and fixed through the first spring, so that the internal filter plate shakes up and down under the impact of the stirring rod, and the state activity of the coal particles is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulverized coal furnaces, in particular to a coal particle state momentum balancing device. Background Art

[0002] The coal particle state adjustment device is a pipeline resistance adjustment element, which is mainly used in thermal power plants. The pulverized coal furnace is a boiler equipment that uses pulverized coal as fuel. It has the advantages of rapid and complete combustion, large capacity, high efficiency, wide adaptability to coal types, and easy control and adjustment. The combustion characteristics of the pulverized coal furnace are that the fuel enters the combustion chamber together with the air and burns in a suspended state. The coal mill is a machine that breaks up coal blocks and grinds them into coal powder. It is an important auxiliary equipment for the pulverized coal furnace. However, when the existing pulverized coal furnace is burning, there will be coal particles stacking, which will cause incomplete combustion and cause a certain amount of fuel waste.

[0003] After searching, the Chinese patent authorization number CN216976818U discloses a coal particle state adjustment device, which includes a bottom plate, an ash storage bin structure is installed on the upper wall of the bottom plate, a combustion chamber structure is installed on the upper wall of the ash storage bin structure, a feeding structure is installed on the upper wall of the combustion chamber structure, a flip frame structure is installed inside the combustion chamber structure, four groups of flip roller structures are installed between the flip frame structures, and a power structure is installed on the upper wall of the bottom plate. The above patent has the following shortcomings: the internal particle state adjustment mechanism is single, and it cannot guarantee incomplete combustion. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a coal particle state momentum balancing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A coal particle state momentum balancing device comprises a combustion chamber, a feed channel is fixedly connected to the top of the combustion chamber, a feed processing mechanism is arranged on the top of the inner wall of the feed channel, a material guiding mechanism is arranged on the bottom of the inner wall of the feed channel, uniform material disturbance mechanisms are arranged on both ends of the outer wall of the bottom of the feed channel, a bottom bearing mechanism is arranged on the bottom of the inner wall of the combustion chamber, a bracket is fixedly connected to the outer wall of one side of the combustion chamber, a second motor is fixedly connected to the bracket, and an internal stirring mechanism is arranged on the outer wall of the second motor.

[0007] Preferably, the feed processing mechanism comprises a feed filter plate and a second spring, both ends of the second spring are fixedly connected to the feed channel and the feed filter plate respectively, and an isolation cloth is fixedly connected between the feed filter plate and the feed channel.

[0008] Preferably, the internal stirring mechanism comprises a second rotating rod and a stirring rod, the second rotating rod is fixedly connected to the second motor, and the stirring rod and the second rotating rod are fixedly connected and are evenly distributed.

[0009] Preferably, the material guiding mechanism includes a first rotating rod and a rotating roller, the first rotating rod is fixedly connected to the feed channel, a belt is transmission-connected between the first rotating rod and the second rotating rod, the rotating roller is rotatably connected to the inner wall of the feed channel, the second rotating rod is fixedly connected to the rotating roller, and a material guiding groove is provided on the outer wall of the rotating roller.

[0010] Preferably, a transfer box is fixedly connected to the outer wall of one side of the combustion chamber, an air pump is fixedly connected to the outer wall of one end of the transfer box, the second rotating rod is set to be hollow, one side of the second rotating rod is located inside the transfer box, and a plurality of air outlet pipes are fixedly connected to the outer wall of the second rotating rod.

[0011] Preferably, the uniform material disturbance mechanism includes a first motor and a rotating block, the first motor is fixedly connected to the two ends of the top outer wall of the combustion chamber respectively, the bottom of the first motor is fixedly connected to the rotating block, a plurality of third springs are fixedly connected to the two ends of the rotating block, and the other end of the third spring is fixedly connected to a movable plate.

[0012] Preferably, the bottom bearing mechanism comprises a fixed plate and an internal filter plate, the fixed plate is fixedly connected to the inner wall of the combustion chamber, and a plurality of first springs are fixedly connected between the fixed plate and the internal filter plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. The feed processing mechanism can filter the particles entering the combustion chamber, and the material guiding mechanism can make the coal particles enter the combustion chamber evenly to avoid blockage. The uniform material disturbance mechanism can scatter the particles falling from the feed channel so that the coal particles can be evenly distributed in the combustion chamber to ensure sufficient combustion. The internal stirring mechanism can further stir the coal particles to ensure the active state of the coal particles and further ensure sufficient combustion. The fixed plate and the internal filter plate are connected and fixed by a first spring, so that the internal filter plate shakes up and down under the impact of the stirring rod, thereby improving the active state of the coal particles;

[0015] 2. An air pump is provided to introduce air into the transfer box, so that the air flow can be introduced into the combustion chamber by using the hollow second rotating rod. By providing multiple air outlet pipes on the outer wall of the second rotating rod, the air flow can be used to disturb the internal coal particles to ensure sufficient combustion. Since the second rotating rod can drive the air outlet pipe to rotate, the purpose of rotating jet can be achieved, thereby improving the state activity of the coal particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the main structure of a proposed coal particle state momentum balance device;

[0017] Figure 2 This is a schematic diagram of the back main structure of a proposed coal particle state momentum balance device;

[0018] Figure 3 It is a schematic diagram of the side section structure of a proposed coal particle state momentum balance device;

[0019] Figure 4 Schematic diagram of the internal structure of a proposed coal particle state momentum balance device.

[0020] In the attached drawings: 1. combustion chamber; 2. feed channel; 3. first motor; 4. air pump; 5. adapter box; 6. first rotating rod; 7. belt; 8. second motor; 9. bracket; 10. second rotating rod; 11. air outlet pipe; 12. fixed plate; 13. stirring rod; 14. first spring; 15. internal filter plate; 16. feed filter plate; 17. guide trough; 18. isolation cloth; 19. second spring; 20. rotating roller; 21. movable plate; 22. third spring; 23. rotating block. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0022] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0023] Reference Figure 1-4A coal particle state momentum balancing device comprises a combustion chamber 1, a feed channel 2 is fixedly connected to the top of the combustion chamber 1, a feed processing mechanism is arranged on the top of the inner wall of the feed channel 2, a material guiding mechanism is arranged on the bottom of the inner wall of the feed channel 2, uniform material disturbance mechanisms are arranged on both ends of the outer wall of the bottom of the feed channel 2, a bottom bearing mechanism is arranged on the bottom of the inner wall of the combustion chamber 1, a bracket 9 is fixedly connected to the outer wall of one side of the combustion chamber 1, a second motor 8 is fixedly connected to the bracket 9, and an internal stirring mechanism is arranged on the outer wall of the second motor 8, and the particles entering the combustion chamber 1 can be filtered and processed by the set feed processing mechanism, and the set The material guiding mechanism can make the coal particles enter the combustion chamber 1 evenly to avoid blockage. The uniform material disturbance mechanism can be used to break up the particles falling from the feed channel 2 so that the coal particles can be evenly distributed in the combustion chamber 1 to ensure sufficient combustion. The internal stirring mechanism can further stir the coal particles to ensure the activity of the coal particles and further ensure sufficient combustion. The fixed plate 12 and the internal filter plate 15 are connected and fixed by the first spring 14, so that the internal filter plate 15 swings up and down under the impact of the stirring rod 13, thereby improving the activity of the coal particles.

[0024] At the same time, the feed processing mechanism includes a feed filter plate 16 and a second spring 19, the two ends of the second spring 19 are fixedly connected to the feed channel 2 and the feed filter plate 16 respectively, and an isolation cloth 18 is fixedly connected between the feed filter plate 16 and the feed channel 2. The internal stirring mechanism includes a second rotating rod 10 and a stirring rod 13, the second rotating rod 10 is fixedly connected to the second motor 8, the stirring rod 13 is fixedly connected to the second rotating rod 10, and is evenly distributed. The material guiding mechanism includes a first rotating rod 6 and a rotating roller 20, the first rotating rod 6 is fixedly connected to the feed channel 2, and a belt 7 is transmission-connected between the first rotating rod 6 and the second rotating rod 10, the rotating roller 20 is rotatably connected to the inner wall of the feed channel 2, the second rotating rod 10 is fixedly connected to the rotating roller 20, and a material guiding groove 17 is provided on the outer wall of the rotating roller 20, a transfer box 5 is fixedly connected to the outer wall of one side of the combustion chamber 1, and an air pump is fixedly connected to the outer wall of one end of the transfer box 5 4. The second rotating rod 10 is set to be hollow, and one side of the second rotating rod 10 is located inside the adapter box 5. The outer wall of the second rotating rod 10 is fixedly connected with multiple air outlet pipes 11. The uniform disturbance mechanism includes a first motor 3 and a rotating block 23. The first motor 3 is respectively fixedly connected to the two ends of the top outer wall of the combustion chamber 1, and the bottom of the first motor 3 is fixedly connected to the rotating block 23. Multiple third springs 22 are fixedly connected to both ends of the rotating block 23, and the other end of the third spring 22 is fixedly connected to a movable plate 21. The bottom bearing mechanism includes a fixed plate 12 and an internal filter plate 15. The fixed plate 12 is fixedly connected to the inner wall of the combustion chamber 1, and multiple first springs 14 are fixedly connected between the fixed plate 12 and the internal filter plate 15. By setting the fixed plate 12 and the internal filter plate 15 to be connected and fixed by the first spring 14, the internal filter plate 15 is shaken up and down under the impact of the stirring rod 13, thereby improving the activity of the coal particle state.

[0025] Working principle: When in use, the feed processing mechanism can be used to filter the particles entering the combustion chamber 1, and the material guiding mechanism can be used to allow the coal particles to enter the combustion chamber 1 evenly to avoid blockage. The uniform material disturbance mechanism can be used to break up the particles falling from the feed channel 2 so that the coal particles can be evenly distributed in the combustion chamber 1 to ensure sufficient combustion. The internal stirring mechanism can be used to further stir the coal particles to ensure the activity of the coal particles and further ensure sufficient combustion. The fixed plate 12 and the internal filter plate 15 are connected and fixed by the first spring 14, so that the internal filter plate 15 swings up and down under the impact of the stirring rod 13, thereby improving the activity of the coal particles.

[0026] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A coal particle state momentum balancing device, comprising a combustion chamber (1), characterized in that: A feed channel (2) is fixedly connected to the top of the combustion chamber (1), a feed processing mechanism is arranged at the top of the inner wall of the feed channel (2), a material guiding mechanism is arranged at the bottom of the inner wall of the feed channel (2), uniform material disturbing mechanisms are arranged at both ends of the outer wall of the bottom of the feed channel (2), a bottom bearing mechanism is arranged at the bottom of the inner wall of the combustion chamber (1), a bracket (9) is fixedly connected to the outer wall of one side of the combustion chamber (1), a second motor (8) is fixedly connected to the bracket (9), and an internal stirring mechanism is arranged on the outer wall of the second motor (8).

2. A coal particle state momentum balancing device according to claim 1, characterized in that: The feed processing mechanism comprises a feed filter plate (16) and a second spring (19), wherein two ends of the second spring (19) are respectively fixedly connected to the feed channel (2) and the feed filter plate (16), and an isolation cloth (18) is fixedly connected between the feed filter plate (16) and the feed channel (2).

3. The coal particle state momentum balance device according to claim 1, characterized in that: The internal stirring mechanism comprises a second rotating rod (10) and a stirring rod (13); the second rotating rod (10) and the second motor (8) are fixedly connected; and the stirring rod (13) and the second rotating rod (10) are fixedly connected and evenly distributed.

4. A coal particle state momentum balancing device according to claim 3, characterized in that: The material guiding mechanism comprises a first rotating rod (6) and a rotating roller (20); the first rotating rod (6) is fixedly connected to the feeding channel (2); a belt (7) is transmission-connected between the first rotating rod (6) and the second rotating rod (10); the rotating roller (20) is rotatably connected to the inner wall of the feeding channel (2); the second rotating rod (10) is fixedly connected to the rotating roller (20); and a material guiding groove (17) is provided on the outer wall of the rotating roller (20).

5. A coal particle state momentum balancing device according to claim 4, characterized in that: An adapter box (5) is fixedly connected to an outer wall of one side of the combustion chamber (1); an air pump (4) is fixedly connected to an outer wall of one end of the adapter box (5); the second rotating rod (10) is arranged to be hollow; one side of the second rotating rod (10) is located inside the adapter box (5); and a plurality of air outlet pipes (11) are fixedly connected to the outer wall of the second rotating rod (10).

6. The coal particle state momentum balancing device according to claim 1, characterized in that: The uniform material disturbance mechanism comprises a first motor (3) and a rotating block (23); the first motor (3) is respectively fixedly connected to two ends of the top outer wall of the combustion chamber (1); the bottom of the first motor (3) is fixedly connected to the rotating block (23); a plurality of third springs (22) are fixedly connected to two ends of the rotating block (23); and the other end of the third spring (22) is fixedly connected to a movable plate (21).

7. The coal particle state momentum balance device according to claim 1, characterized in that: The bottom bearing mechanism comprises a fixed plate (12) and an internal filter plate (15); the fixed plate (12) is fixedly connected to the inner wall of the combustion chamber (1); and a plurality of first springs (14) are fixedly connected between the fixed plate (12) and the internal filter plate (15).