Biomass gasification self-control boiler
By controlling the ventilation fan and transmission gears with a drive motor to regulate the oxygen supply, the problem of incomplete combustion caused by a fixed oxygen supply in biomass boilers is solved, achieving efficient combustion and boiler cleanliness.
Patent Information
- Application Number
- CN202520263633.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The fixed oxygen supply rate in existing biomass boilers leads to incomplete combustion of biomass.
The size of the ventilation holes is adjusted by controlling the ventilation fan and transmission gears through the drive motor, thereby regulating the oxygen supply. The design of the feeding layer and storage layer prevents ash accumulation and ensures good contact between biomass and air.
It enables the adjustment of oxygen levels based on the stage and characteristics of biomass combustion, thereby improving combustion efficiency and maintaining a clean and hygienic boiler environment.
Smart Images

Figure CN223782835U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of biomass boiler technology, and in particular to a biomass gasification automatic control boiler. Background Technology
[0002] A biomass boiler is a device that uses biomass (such as crop straw, forestry waste, and livestock manure) as fuel to convert the chemical energy in biomass into heat energy through combustion, thereby providing heat or power for industrial production and residential life.
[0003] In existing biomass boilers, biomass fuel is heated and dried in the furnace, releasing volatiles. The volatiles mix with air and burn to generate heat. The remaining coke continues to react with oxygen at high temperatures, further releasing heat. However, the oxygen supply rate is often fixed during this process, resulting in incomplete biomass combustion. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a biomass gasification self-controlled boiler, which aims to improve the problem of incomplete biomass combustion caused by the fixed oxygen supply rate of existing biomass boilers.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A biomass gasification self-controlled boiler includes a boiler body. An air inlet pipe is fixedly connected to the left inner wall of the boiler body. A ventilation component is provided on the left inner wall of the air inlet pipe. A limit block is fixedly connected to the right inner wall of the air inlet pipe. A second drive motor is fixedly connected to the left outer wall of the limit block. A transmission gear is connected to the output end of the second drive motor. A first connecting block is fixedly connected to the side wall of the limit block. A rotating block is rotatably connected to the middle outer wall of the first connecting block. A gear ring is meshed with the tooth end of the transmission gear. A limit component is provided on the inner wall of the gear ring. An exhaust pipe is fixedly connected to the inner wall of the boiler body.
[0007] Preferably, the ventilation assembly includes a mounting frame, the outer wall of which is fixedly connected to the inner wall of the air intake pipe, a drive motor is fixedly connected to the outer wall of the air intake pipe, and a ventilation fan is connected to the output end of the drive motor.
[0008] Preferably, the limiting component includes a second connecting block, the outer wall of the second connecting block is fixedly connected to the inner wall of the toothed ring, a limiting groove is formed inside the rotating block, and the front outer wall of the second connecting block is rotatably connected to the inside of the rotating block through the limiting groove.
[0009] Preferably, the inner wall of the toothed ring is provided with a limiting groove two, and the right outer wall of the connecting block one is rotatably connected to the inner wall of the toothed ring through the limiting groove two.
[0010] Preferably, the left outer wall of the rotating block is rotatably connected to the right outer wall of the limiting block, and the right outer wall of the rotating block is rotatably connected to the left outer wall of the toothed ring.
[0011] Preferably, a feeding layer is provided on the right inner wall of the boiler body, a storage layer is provided on the lower surface of the feeding layer, the outer wall of the storage layer is provided on the right inner wall of the boiler body, a handle is fixedly connected to the outer wall of the feeding layer, a vent is provided on the inner wall of the feeding layer, and a filter screen is fixedly connected to the inner wall of the feeding layer.
[0012] Preferably, a locking block is fixedly connected to the lower surface of the feeding layer, a locking slot is provided inside the storage layer, and the outer wall of the locking block is disposed inside the storage layer through the locking slot.
[0013] Preferably, an observation window is fixedly connected to the inner wall of the storage layer, and the observation window is made of high-strength glass.
[0014] This utility model has the following beneficial effects:
[0015] 1. In this utility model, by starting drive motor one to drive the ventilation fan to rotate, and then starting drive motor two to drive the transmission gear to rotate, the size of the ventilation hole can be controlled. Then, outside air is introduced into the interior of the boiler body through the air inlet pipe and mixed with biomass to generate high-temperature gas. Thus, the required amount of air can be adjusted according to the combustion stage and characteristics of biomass fuel.
[0016] 2. In this utility model, the storage layer is pulled out synchronously by pulling out the feed layer. At this time, biomass is put into the feed layer. Then, the boiler body is started to burn the biomass. The biomass combustion forms ash, which falls into the storage layer and is collected. This can avoid the accumulation of ash in the boiler, ensure good contact between biomass fuel and air, facilitate unified treatment and disposal of ash, and maintain the cleanliness and hygiene of the boiler and the surrounding environment. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the biomass gasification self-controlled boiler proposed in this utility model;
[0018] Figure 2 This is a cross-sectional schematic diagram of the internal structure of the air inlet pipe of the biomass gasification self-controlled boiler proposed in this utility model.
[0019] Figure 3 This is a schematic diagram of a partial structure of the toothed ring of the biomass gasification self-controlled boiler proposed in this utility model.
[0020] Figure 4 This is a partial structural diagram of the observation window of the biomass gasification self-controlled boiler proposed in this utility model;
[0021] Figure 5 This is a partial structural diagram of the card block of the biomass gasification self-controlled boiler proposed in this utility model.
[0022] Legend:
[0023] 1. Boiler body; 2. Inlet pipe; 3. Fixing frame; 4. Drive motor one; 5. Ventilation fan; 6. Limiting block; 7. Drive motor two; 8. Transmission gear; 9. Connecting block one; 10. Rotating block; 11. Gear ring; 12. Connecting block two; 13. Limiting groove one; 14. Limiting groove two; 15. Feed layer; 16. Storage layer; 17. Handle; 18. Filter screen; 19. Vent hole; 20. Locking block; 21. Locking groove; 22. Observation window; 23. Exhaust pipe. Detailed Implementation
[0024] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0025] Reference Figures 1-3 An embodiment of this utility model provides a biomass gasification self-controlled boiler, including a boiler body 1. An air inlet pipe 2 is fixedly connected to the left inner wall of the boiler body 1. A ventilation component is provided on the left inner wall of the air inlet pipe 2. A limit block 6 is fixedly connected to the right inner wall of the air inlet pipe 2. A second drive motor 7 is fixedly connected to the left outer wall of the limit block 6. A transmission gear 8 is connected to the output end of the second drive motor 7. A first connecting block 9 is fixedly connected to the side wall of the limit block 6. A rotating block 10 is rotatably connected to the middle outer wall of the first connecting block 9. A toothed ring 11 is meshed with the tooth end of the transmission gear 8. A limit component is provided on the inner wall of the toothed ring 11. An exhaust pipe 23 is fixedly connected to the inner wall of the boiler body 1.
[0026] Specifically, outside air is introduced into the air intake pipe 2 through the ventilation assembly. Then, the drive motor 7 is started to drive the transmission gear 8 to rotate. Consequently, the gear ring 11 rotates along the outer wall of the connecting block 9 under the drive of the transmission gear 8. Since the gear ring 11 is connected to the limiting assembly, the limiting assembly drives the rotating block 10 to rotate around the connecting block 9. At this time, the rotating block 10 opens and no longer blocks the ventilation hole opened on the inner wall of the limiting block 6, thereby controlling the size of the ventilation hole. After the adjusted air force, outside air is introduced into the interior of the boiler body 1 through the air intake pipe 2 and mixed with biomass for combustion to generate high-temperature gas. After that, the high-temperature gas is discharged after being guided by the exhaust pipe 23, thereby achieving the effect of adjusting the required amount of air supply according to the combustion stage and characteristics of biomass fuel.
[0027] Reference Figure 2 The ventilation assembly includes a mounting bracket 3, the outer wall of which is fixedly connected to the inner wall of the air intake pipe 2, a drive motor 4 is fixedly connected to the outer wall of the air intake pipe 2, and a ventilation fan 5 is connected to the output end of the drive motor 4.
[0028] Specifically, the drive motor 4 is started to drive the ventilation fan 5 to rotate, and the fixing bracket 3 fixes the drive motor 4 in a designated position to prevent the ventilation fan 5 from rotating unstablely and making noise.
[0029] Reference Figure 3 The limiting component includes a second connecting block 12, the outer wall of which is fixedly connected to the inner wall of the toothed ring 11. A limiting groove 13 is provided inside the rotating block 10, and the front outer wall of the second connecting block 12 is rotatably connected to the inside of the rotating block 10 through the limiting groove 13.
[0030] Specifically, since the toothed ring 11 is fixedly connected to the connecting block 2 12, the connecting block 2 12 rotates synchronously under the drive of the toothed ring 11. Then, the connecting block 2 12 rotates along the inner wall of the connecting block 2 12 through the limiting groove 13, and then the rotating block 10 rotates around the connecting block 1 9 under the drive of the connecting block 2 12.
[0031] Reference Figure 3 The inner wall of the toothed ring 11 is provided with a limiting groove 2 14. The right outer wall of the connecting block 1 9 is rotatably connected to the inner wall of the toothed ring 11 through the limiting groove 2 14. The left outer wall of the rotating block 10 is rotatably connected to the right outer wall of the limiting block 6, and the right outer wall of the rotating block 10 is rotatably connected to the left outer wall of the toothed ring 11.
[0032] Specifically, the limiting groove 14 is used to limit the rotation range of the toothed ring 11, while the limiting block 6 is used to provide a fulcrum for the rotation of the rotating block 10 and the toothed ring 11.
[0033] Reference Figure 4 and Figure 5 A feeding layer 15 is provided on the right inner wall of the boiler body 1. A storage layer 16 is provided on the lower surface of the feeding layer 15. The outer wall of the storage layer 16 is provided on the right inner wall of the boiler body 1. A handle 17 is fixedly connected to the outer wall of the feeding layer 15. A vent hole 19 is opened on the inner wall of the feeding layer 15. A filter screen 18 is fixedly connected to the inner wall of the feeding layer 15. A locking block 20 is fixedly connected to the lower surface of the feeding layer 15. A locking groove 21 is opened inside the storage layer 16. The outer wall of the locking block 20 is set inside the storage layer 16 through the locking groove 21. An observation window 22 is fixedly connected to the inner wall of the storage layer 16. The observation window 22 is made of high-strength glass.
[0034] Specifically, by gripping the handle 17 and pulling out the feed layer 15, since the locking block 20 is connected to the locking slot 21, and the feed layer 15 is fixedly connected to the locking block 20, the feed layer 15 is connected to the storage layer 16. Therefore, the storage layer 16 and the feed layer 15 are pulled out simultaneously. At this time, biomass is fed into the feed layer 15 through the holes on the upper side of the feed layer 15. After that, the feed layer 15 is reset, and the boiler body 1 is started to burn the biomass. During this process, air continuously enters the feed layer 15 through the vent 19. After that, the biomass burns and forms ash, which falls through the filter screen 18 into the storage layer. The ash is collected in the storage layer 16 and observed through the observation window 22. The observation window 22 is made of high-strength glass, which allows the observation window to provide a view under high pressure and high temperature. When the boiler is shut down, the feed layer 15 is pulled out and lifted to transfer the storage layer 16 and the ash inside. A new storage layer 16 is then installed below the feed layer 15. This can prevent the ash from accumulating in the boiler, ensure good contact between biomass fuel and air, facilitate unified treatment and disposal of ash, and maintain the cleanliness and hygiene of the boiler and its surrounding environment.
[0035] Working principle: The drive motor 4 is started to drive the ventilation fan 5 to rotate, and then the drive motor 7 is started to drive the transmission gear 8 to rotate. Then the gear ring 11 rotates under the drive of the transmission gear 8. Subsequently, the connecting block 12 rotates synchronously under the drive of the gear ring 11. Then the connecting block 12 rotates through the limiting groove 13, and then the rotating block 10 rotates under the drive of the connecting block 12. At this time, the rotating block 10 opens and no longer blocks the ventilation hole opened on the inner wall of the limiting block 6, so the size of the ventilation hole can be controlled. Then, the outside air is introduced into the interior of the boiler body 1 through the air inlet pipe 2 and mixed with biomass to produce high-temperature gas. Then, the high-temperature gas is discharged after being guided by the exhaust pipe 23, thereby achieving the effect of adjusting the supply of the required air volume according to the combustion stage and characteristics of biomass fuel.
[0036] By pulling out the feed layer 15, the storage layer 16 is pulled out simultaneously. At this time, biomass is put into the feed layer 15 through the holes on the upper side of the feed layer 15. Then, the feed layer 15 is reset, and the boiler body 1 is started to burn the biomass. The ash formed by the biomass combustion falls into the storage layer 16 through the filter screen 18 and is collected. When the boiler is shut down, the feed layer 15 is pulled out and lifted, the storage layer 16 and the ash inside are transferred, and a new storage layer 16 is installed below the feed layer 15. This can prevent ash from accumulating in the boiler, ensure good contact between biomass fuel and air, facilitate unified treatment and disposal of ash, and maintain the cleanliness and hygiene of the boiler and the surrounding environment.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A biomass gasification self-controlled boiler, comprising a boiler body (1), characterized in that: An air inlet pipe (2) is fixedly connected to the inner left side of the boiler body (1). A ventilation component is provided on the inner left side of the air inlet pipe (2). A limit block (6) is fixedly connected to the inner right side of the air inlet pipe (2). A second drive motor (7) is fixedly connected to the outer left side of the limit block (6). A transmission gear (8) is connected to the output end of the second drive motor (7). A first connecting block (9) is fixedly connected to the side wall of the limit block (6). A rotating block (10) is rotatably connected to the outer middle part of the first connecting block (9). A toothed ring (11) is meshed with the tooth end of the transmission gear (8). A limit component is provided on the inner wall of the toothed ring (11). An exhaust pipe (23) is fixedly connected to the inner wall of the boiler body (1).
2. The biomass gasification automated boiler according to claim 1, characterized in that: The ventilation assembly includes a mounting bracket (3), the outer wall of which is fixedly connected to the inner wall of the air inlet pipe (2), and a drive motor (4) is fixedly connected to the outer wall of the air inlet pipe (2). The output end of the drive motor (4) is connected to a ventilation fan (5).
3. The biomass gasification automatic control boiler according to claim 1, characterized in that: The limiting component includes a second connecting block (12), the outer wall of which is fixedly connected to the inner wall of the toothed ring (11), and a limiting groove (13) is provided inside the rotating block (10). The front outer wall of the second connecting block (12) is rotatably connected to the inside of the rotating block (10) through the limiting groove (13).
4. The biomass gasification automatic control boiler according to claim 1, characterized in that: The inner wall of the toothed ring (11) has a limiting groove 2 (14), and the right outer wall of the connecting block 1 (9) is rotatably connected to the inner wall of the toothed ring (11) through the limiting groove 2 (14).
5. The biomass gasification self-controlled boiler according to claim 1, characterized in that: The left outer wall of the rotating block (10) is rotatably connected to the right outer wall of the limiting block (6), and the right outer wall of the rotating block (10) is rotatably connected to the left outer wall of the toothed ring (11).
6. The biomass gasification automatic control boiler according to claim 1, characterized in that: A feeding layer (15) is provided on the right inner wall of the boiler body (1), a storage layer (16) is provided on the lower surface of the feeding layer (15), the outer wall of the storage layer (16) is provided on the right inner wall of the boiler body (1), a handle (17) is fixedly connected to the outer wall of the feeding layer (15), a vent hole (19) is provided on the inner wall of the feeding layer (15), and a filter screen (18) is fixedly connected to the inner wall of the feeding layer (15).
7. The biomass gasification automatic control boiler according to claim 6, characterized in that: The lower surface of the feed layer (15) is fixedly connected with a card block (20), and the inside of the storage layer (16) is provided with a card slot (21). The outer wall of the card block (20) is set inside the storage layer (16) through the card slot (21).
8. The biomass gasification automatic control boiler according to claim 6, characterized in that: The inner wall of the storage layer (16) is fixedly connected to an observation window (22), which is made of high-strength glass.