Biomass combustion device with slag removal structure

Abstract

The utility model belongs to the technical field of biomass combustion equipment, and particularly relates to a biomass combustion device with a slag removal structure, which comprises a combustion furnace, a conveying cylinder is fixedly mounted on the left side of the combustion furnace, a same partition plate is fixedly mounted on the inner walls of the two sides of the combustion furnace, and a same fixing plate is fixedly mounted on the top of the partition plate and the inner wall of the top of the combustion furnace; a motor is fixedly mounted on the left side of the conveying cylinder; a conveying mechanism is arranged between the motor and the conveying cylinder; a rotating shaft is rotationally installed on the inner wall of the top of the combustion furnace, and the bottom end of the rotating shaft extends below the partition plate. The biomass combustion furnace is reasonable in design, by arranging the conveying mechanism, biomass raw materials can be conveyed to the feeding pipe at a constant speed from left to right through the spiral blades and fall into the combustion furnace to be combusted, the biomass raw materials can be fully combusted, and then the purposes that combustion residues are prevented from being accumulated and inconvenient to remove can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of biomass combustion equipment, and particularly relates to a biomass combustion device with a slag removal structure. Background Art

[0002] The biomass fuel burned by a biomass combustion furnace is generally mainly agricultural and forestry waste. The application of biomass fuel is actually mainly biomass briquette fuel, which uses agricultural and forestry waste as raw materials and is made into various formed blocks or granules through processes such as crushing, mixing, extrusion, and drying. It is a new type of clean fuel that can be directly burned, and the biomass fuel is sent into the combustion chamber for direct combustion.

[0003] Currently, an automatic slag removal biomass combustion device announced in a Chinese patent with the publication number CN213686869U includes a biomass combustion furnace. An inlet is provided at the upper end of the biomass combustion furnace, support columns are fixedly connected to the lower end surface of the biomass combustion furnace, an air outlet pipe is fixedly connected to the upper right side of the biomass combustion furnace, a filter screen is slidably connected inside the air outlet pipe, a lifting rod is fixedly connected to the upper end surface of the filter screen, a spring is fixedly connected to the lower end surface of the filter screen, a limiting ring is fixedly installed on the inner wall of the air outlet pipe, a groove matching the spring is provided on the upper surface of the limiting ring, a limiting groove is provided on the side wall of the filter screen, a rotating shaft is fixedly connected inside the limiting groove, and a torsion spring is sleeved on the shaft wall of the rotating shaft. This realizes automatic slag removal in the biological furnace, improves the ventilation in the furnace, and increases the combustion efficiency.

[0004] In actual use, it is found that the existing combustion device cannot feed biomass at a constant speed, resulting in insufficient combustion of biomass, and thus easily leading to problems such as residue accumulation and difficulty in removal. Therefore, we propose a biomass combustion device with a slag removal structure to solve the above problems. Utility Model Content

[0005] The purpose of the present application is to solve the disadvantages in the existing technology, which are prone to residue accumulation and difficult to remove, and to propose a biomass combustion device with a slag removal structure.

[0006] To achieve the above purpose, the present application adopts the following technical solutions:

[0007] A biomass combustion device with a slag removal structure includes a combustion furnace. A conveying cylinder is fixedly installed on the left side of the combustion furnace. The same partition plate is fixedly installed on the inner walls of both sides of the combustion furnace. The partition plate and the inner wall of the top of the combustion furnace are fixedly installed with the same fixing plate. A motor is fixedly installed on the left side of the conveying cylinder, and a conveying mechanism is arranged between the motor and the conveying cylinder. A rotating shaft is rotatably installed on the inner wall of the top of the combustion furnace, and the bottom end of the rotating shaft extends below the partition plate. A stirring mechanism and a dredging mechanism are arranged on the rotating shaft. A slag discharge pipe is arranged at the bottom of the combustion furnace, and a flame spraying port is arranged on the right side of the combustion furnace, and the flame spraying port is located below the partition plate.

[0008] Preferably, the conveying mechanism includes a conveying shaft and a spiral blade. The same conveying shaft is rotatably installed on the inner walls of both sides of the conveying cylinder. The output shaft of the motor is fixedly connected to the left end of the conveying shaft. A spiral blade is arranged on the conveying shaft, and a transmission mechanism is arranged between the conveying shaft and the rotating shaft.

[0009] Preferably, the transmission mechanism includes a transmission shaft and two bevel gears. The same transmission shaft is rotatably installed on the left inner wall of the combustion furnace and the right side of the fixing plate. The right end of the conveying shaft is fixedly connected to the left end of the transmission shaft. The right end of the transmission shaft extends to the right side of the fixing plate. Bevel gears are fixedly sleeved on the right end of the transmission shaft and the rotating shaft respectively, and the two bevel gears are meshed with each other.

[0010] Preferably, the stirring mechanism includes a rod seat and a stirring rod. The rod seat is fixedly installed on the rotating shaft. The stirring rod is arranged on the rod seat, and a scraping mechanism is arranged on the stirring rod.

[0011] Preferably, the scraping mechanism includes a scraping seat and a scraping plate. The scraping seat is fixedly installed at one end of the stirring rod close to the inner wall of the combustion furnace. The scraping plate is arranged on the side of the scraping seat close to the inner wall of the combustion furnace, and the scraping plate is adapted to the inner wall of the combustion furnace.

[0012] Preferably, the dredging mechanism includes a dredging shaft and a dredging rod. The dredging shaft is fixedly installed at the bottom end of the rotating shaft. The dredging shaft is located in the slag discharge pipe, and the dredging rod is arranged on the dredging shaft.

[0013] Preferably, a feed inlet is arranged at the top of the conveying cylinder. A same feeding pipe is arranged at the bottom of the conveying cylinder and the left side of the combustion furnace, and the feeding pipe is located below the partition plate.

[0014] Preferably, support legs are arranged at the bottom of the combustion furnace, and the support legs are located outside the slag discharge pipe.

[0015] Advantages of the present application:

[0016] 1. Through the cooperation of the motor, the conveying shaft and the spiral blade, it can be realized that the motor drives the spiral blade to rotate, and it can be realized that the biomass raw materials are uniformly conveyed from left to right by the spiral blade to the feeding pipe and fall into the combustion furnace for combustion, so that the biomass raw materials can be fully burned, and further the purpose of avoiding the accumulation of combustion residues and being inconvenient to remove can be realized;

[0017] 2. Through the cooperation of the conveying shaft, the transmission shaft, the bevel gears, the rotating shaft, the rod seat and the stirring rod, it can be realized that the conveying shaft drives the stirring rod to rotate, and it can be realized that the biomass raw materials and the combustion residues are continuously stirred by the stirring rod, so that the combustion efficiency of the biomass raw materials and the residues can be improved;

[0018] 3. Through the cooperation of the stirring rod, scraping seat and scraper, the stirring rod can drive the scraper to rotate, and the residue adhering to the inner wall of the combustion furnace can be continuously scraped by the scraper, achieving the purpose of facilitating the cleaning of the inner wall of the combustion furnace.

[0019] 4. Through the cooperation of the rotating shaft, dredging shaft and dredging rod, the rotating shaft can drive the dredging rod to rotate, and the residue in the slag discharge pipe can be continuously stirred by the dredging rod, avoiding the blockage of the slag discharge pipe by the residue and achieving the purpose of facilitating the slag discharge of the slag discharge pipe. Brief Description of the Drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of a biomass combustion device with a slag removal structure proposed by this application;

[0021] Figure 2 is a front view sectional structural schematic diagram of a biomass combustion device with a slag removal structure proposed by this application;

[0022] Figure 3 is a three-dimensional structural schematic diagram of the conveying mechanism of a biomass combustion device with a slag removal structure proposed by this application;

[0023] Figure 4 is a three-dimensional structural schematic diagram of the stirring mechanism of a biomass combustion device with a slag removal structure proposed by this application.

[0024] In the figure: 1. Combustion furnace; 2. Conveying cylinder; 3. Partition board; 4. Fixed plate; 5. Slag discharge pipe; 6. Motor; 7. Conveying shaft; 8. Spiral blade; 9. Feeding pipe; 10. Transmission shaft; 11. Rotating shaft; 12. Rod seat; 13. Stirring rod; 14. Scraping seat; 15. Scraper; 16. Dredging shaft; 17. Dredging rod; 18. Bevel gear; 19. Flame spraying port; 20. Feeding port. Detailed Embodiments

[0025] The technical solutions of this application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of this application without creative efforts belong to the scope of protection of this application.

[0026] Refer to Figures 1-4, a biomass combustion device with a slag removal structure, including a combustion furnace 1. A conveying cylinder 2 is fixedly installed on the left side of the combustion furnace 1. The same partition plate 3 is fixedly installed on the inner walls of both sides of the combustion furnace 1. The top of the partition plate 3 and the inner wall of the top of the combustion furnace 1 are fixedly installed with the same fixing plate 4. A motor 6 is fixedly installed on the left side of the conveying cylinder 2, and a conveying mechanism is arranged between the motor 6 and the conveying cylinder 2; A rotating shaft 11 is rotatably installed on the inner wall of the top of the combustion furnace 1. The bottom end of the rotating shaft 11 extends below the partition plate 3. A stirring mechanism and a dredging mechanism are arranged on the rotating shaft 11. A slag discharge pipe 5 is arranged at the bottom of the combustion furnace 1. A spout 19 is arranged on the right side of the combustion furnace 1, and the spout 19 is located below the partition plate 3.

[0027] In this embodiment, the conveying mechanism includes a conveying shaft 7 and a spiral blade 8. The same conveying shaft 7 is rotatably installed on the inner walls of both sides of the conveying cylinder 2. The output shaft of the motor 6 is fixedly connected to the left end of the conveying shaft 7. A spiral blade 8 is arranged on the conveying shaft 7. A transmission mechanism is arranged between the conveying shaft 7 and the rotating shaft 11. By arranging the conveying mechanism, the conveying shaft 7 can drive the spiral blade 8 to rotate, and the purpose of uniformly conveying the biomass raw materials from left to right to the feeding pipe 9 through the spiral blade 8 and falling into the combustion furnace 1 for combustion can be achieved.

[0028] In this embodiment, the transmission mechanism includes a transmission shaft 10 and two bevel gears 18. The same transmission shaft 10 is rotatably installed on the left inner wall of the combustion furnace 1 and the right side of the fixing plate 4. The right end of the conveying shaft 7 is fixedly connected to the left end of the transmission shaft 10. The right end of the transmission shaft 10 extends to the right side of the fixing plate 4. Bevel gears 18 are fixedly sleeved on the right end of the transmission shaft 10 and the rotating shaft 11 respectively, and the two bevel gears 18 are meshed with each other. By arranging the transmission mechanism, the conveying shaft 7 can drive the rotating shaft 11 to rotate.

[0029] In this embodiment, the stirring mechanism includes a rod seat 12 and a stirring rod 13. The rod seat 12 is fixedly installed on the rotating shaft 11, and the stirring rod 13 is arranged on the rod seat 12. A scraping mechanism is arranged on the stirring rod 13. By arranging the stirring mechanism, the rotating shaft 11 can drive the stirring rod 13 to rotate, and the purpose of continuously stirring the biomass raw materials and combustion residues by the stirring rod 13 and improving the combustion efficiency of the biomass raw materials and residues can be achieved.

[0030] In this embodiment, the scraping mechanism includes a scraping seat 14 and a scraping plate 15. The scraping seat 14 is fixedly installed at one end of the stirring rod 13 close to the inner wall of the combustion furnace 1. The scraping plate 15 is arranged on one side of the scraping seat 14 close to the inner wall of the combustion furnace 1. The scraping plate 15 is adapted to the inner wall of the combustion furnace 1. By arranging the scraping mechanism, the stirring rod 13 can drive the scraping seat 14 and the scraping plate 15 to rotate, and the purpose of continuously scraping the residues adhered to the inner wall of the combustion furnace 1 by the scraping plate 15 and facilitating the cleaning of the inner wall of the combustion furnace 1 can be achieved.

[0031] In this embodiment, the dredging mechanism includes a dredging shaft 16 and a dredging rod 17. The bottom end of the rotating shaft 11 is fixedly installed with the dredging shaft 16. The dredging shaft 16 is located inside the slag discharge pipe 5. The dredging rod 17 is arranged on the dredging shaft 16. By providing the dredging mechanism, the rotating shaft 11 can drive the dredging rod 17 to rotate, and the slag in the slag discharge pipe 5 can be continuously stirred by the dredging rod 17, so as to avoid the slag blocking the slag discharge pipe 5.

[0032] In this embodiment, a feed inlet 20 is arranged at the top of the conveying cylinder 2. A same feed pipe 9 is arranged between the bottom of the conveying cylinder 2 and the left side of the combustion furnace 1. The feed pipe 9 is located below the partition plate 3. By providing the feed inlet 20 and the feed pipe 9, the biomass raw material can be put into the conveying cylinder 2 through the feed inlet 20 and fall into the combustion furnace 1 through the feed pipe 9.

[0033] In this embodiment, support legs are arranged at the bottom of the combustion furnace 1. The support legs are located outside the slag discharge pipe 5. By providing the support legs, the combustion furnace 1 can be supported by the support legs, so as to facilitate the collection of the slag discharged from the slag discharge pipe 5.

[0034] In this application, during operation, first, the biomass raw material is put into the conveying cylinder 2 through the feed inlet 20. By starting the motor 6, the conveying shaft 7 can be driven to rotate, and the spiral blade 8 can be driven to rotate. The biomass raw material can be uniformly conveyed from left to right to the feed pipe 9 by the spiral blade 8 and fall into the combustion furnace 1 for combustion, so that the biomass raw material can be fully burned, and thus the accumulation of combustion residues can be avoided, which is not easy to remove. The conveying shaft 7 can drive the transmission shaft 10 to rotate, and the rotating shaft 11 can be driven to rotate through the two bevel gears 18, and the rod seat 12 and the stirring rod 13 can be driven to rotate. The biomass raw material and the combustion residues can be continuously stirred by the stirring rod 13, so as to improve the combustion efficiency of the biomass raw material and the residues. The stirring rod 13 can drive the scraping seat 14 and the scraping plate 15 to rotate, and the residues adhered to the inner wall of the combustion furnace 1 can be continuously scraped by the scraping plate 15, so as to facilitate the cleaning of the inner wall of the combustion furnace 1. The rotating shaft 11 can drive the dredging shaft 16 and the dredging rod 17 to rotate, and the slag in the slag discharge pipe 5 can be continuously stirred by the dredging rod 17, so as to avoid the slag blocking the slag discharge pipe 5 and facilitate the slag discharge of the slag discharge pipe 5.

Claims

1. A biomass combustion device with a slag removal structure, characterized in that: The invention comprises a combustion furnace (1), a conveying cylinder (2) is fixedly installed on the left side of the combustion furnace (1), a same partition (3) is fixedly installed on the inner walls of both sides of the combustion furnace (1), a same fixing plate (4) is fixedly installed on the top of the partition (3) and the inner wall of the top of the combustion furnace (1), a motor (6) is fixedly installed on the left side of the conveying cylinder (2), and a conveying mechanism is provided between the motor (6) and the conveying cylinder (2); A rotating shaft (11) is rotatably mounted on the inner wall of the top of the combustion furnace (1), the bottom end of the rotating shaft (11) extends to below the partition (3), a stirring mechanism and a dredging mechanism are arranged on the rotating shaft (11), a slag discharge pipe (5) is arranged at the bottom of the combustion furnace (1), a flame vent (19) is arranged on the right side of the combustion furnace (1), and the flame vent (19) is located below the partition (3).

2. A biomass combustion device with a slag removal structure according to claim 1, characterized in that: The conveying mechanism comprises a conveying shaft (7) and a spiral blade (8); the inner walls of both sides of the conveying cylinder (2) are rotatably mounted with the same conveying shaft (7); the output shaft of the motor (6) is fixedly connected to the left end of the conveying shaft (7); the conveying shaft (7) is provided with a spiral blade (8); and a transmission mechanism is provided between the conveying shaft (7) and the rotating shaft (11).

3. A biomass combustion device with a slag removal structure according to claim 2, characterized in that: The transmission mechanism comprises a transmission shaft (10) and two bevel gears (18); the left inner wall of the combustion furnace (1) and the right side of the fixed plate (4) are rotatably mounted with the same transmission shaft (10); the right end of the conveying shaft (7) is fixedly connected to the left end of the transmission shaft (10); the right end of the transmission shaft (10) extends to the right side of the fixed plate (4); the right end of the transmission shaft (10) and the rotating shaft (11) are both fixedly sleeved with bevel gears (18); and the two bevel gears (18) are meshed with each other.

4. The biomass combustion device with a slag removal structure according to claim 1, characterized in that: The stirring mechanism comprises a rod seat (12) and a stirring rod (13); the rod seat (12) is fixedly mounted on the rotating shaft (11); the stirring rod (13) is arranged on the rod seat (12); and the stirring rod (13) is provided with a scraping mechanism.

5. The biomass combustion device with a slag removal structure according to claim 4, characterized in that: The scraping mechanism comprises a scraping seat (14) and a scraper (15); the scraping seat (14) is fixedly mounted on one end of the stirring rod (13) close to the inner wall of the combustion furnace (1); the scraper (15) is arranged on one side of the scraping seat (14) close to the inner wall of the combustion furnace (1); and the scraper (15) is adapted to the inner wall of the combustion furnace (1).

6. The biomass combustion device with a slag removal structure according to claim 1, characterized in that: The dredging mechanism comprises a dredging shaft (16) and a dredging rod (17); the dredging shaft (16) is fixedly mounted on the bottom end of the rotating shaft (11); the dredging shaft (16) is located in the slag discharge pipe (5); and the dredging rod (17) is arranged on the dredging shaft (16).

7. The biomass combustion device with a slag removal structure according to claim 1, characterized in that: The top of the conveying cylinder (2) is provided with a feed port (20), and the bottom of the conveying cylinder (2) and the left side of the combustion furnace (1) are provided with a same feed pipe (9), and the feed pipe (9) is located below the partition (3).

8. The biomass combustion device with a slag removal structure according to claim 1, characterized in that: The bottom of the combustion furnace (1) is provided with support legs, and the support legs are located outside the slag discharge pipe (5).

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