Biomass combustion device capable of automatically feeding

Abstract

The utility model discloses a biomass combustion device capable of automatically feeding, which comprises a base, a case is mounted on one side of the surface of the base, a feeding structure is arranged above the other side of the surface of the base, a combustion barrel is arranged between the lower part of the feeding structure and the case, the combustion barrel is positioned in the middle of the surface of the base, and the feeding structure is arranged on the lower part of the combustion barrel. A feeding structure is arranged on one side of the top face of the machine box, a feeding opening is formed in the top of the feeding structure, the bottom end of the feeding opening is connected to the top of the combustion barrel, a waste heat recycling structure is arranged on the other side of the top face of the combustion barrel and located above the machine box, and a discharging opening is formed in one side of the outer wall of the combustion barrel. And the position of the discharging opening is parallel to the base, and a combustion nozzle is arranged on the other side of the outer wall of the combustion barrel. By means of the automatic feeding structure, it can be ensured that biomass fuel is continuously and stably fed into the combustion chamber, manual intervention is not needed, and the automation degree of equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass combustion equipment, and particularly relates to a biomass combustion device capable of automatic feeding. Background Art

[0002] Biomass combustion equipment is a biomass high-temperature pyrolysis combustion equipment that uses organic biomass such as biomass pellets, wood chips, wood powder, sawdust, etc. as fuel. Through specific combustion technologies, biomass is converted into heat energy and gas. As a renewable energy source, biomass produces relatively few pollutants during the combustion process, and has high combustion efficiency, which helps to save energy and reduce emissions. Converting biomass such as agricultural waste and forestry waste into energy realizes the reuse of waste. Biomass combustion equipment usually has high combustion efficiency and can make full use of the energy of biomass fuel. It is applicable to various scenarios such as heating, power generation, and drying. Especially in rural areas and places with insufficient energy supply, it has broad market prospects.

[0003] Existing biomass combustion equipment does not have the structural function of automatic feeding during use. For example, a biomass combustion equipment disclosed in the patent application No. CN202122416243.1 does not have an automatic feeding structure, which means that biomass fuel needs to be manually fed into the combustion chamber. This not only increases the labor intensity of operators, but also may lead to uneven feeding, affecting combustion efficiency and stability. Manual feeding often makes it difficult to ensure continuous fuel supply, which may result in insufficient or excessive fuel in the combustion chamber, thus affecting combustion efficiency. When the fuel supply is insufficient, the combustion temperature drops and the combustion is incomplete; when there is too much fuel, it may cause ash accumulation and slagging, further reducing combustion efficiency. Without an automatic feeding system, it is more difficult to control the combustion process. Operators need to judge the fuel quantity based on experience and it is difficult to accurately control combustion parameters such as temperature and air volume, resulting in large fluctuations in combustion efficiency. Due to discontinuous feeding and difficult combustion control, more incomplete combustion products such as black smoke and harmful substances such as carbon monoxide may be produced during the combustion of biomass fuel, exacerbating environmental pollution. The low degree of automation of biomass combustion equipment is not only reflected in feeding and slag discharging, but also may affect the monitoring and management of the entire combustion process. This limits the application of the equipment in large-scale, high-efficiency, and continuous production scenarios.

[0004] Therefore, it is very necessary to invent a biomass combustion device capable of automatic feeding to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a biomass combustion device capable of automatic feeding to solve the problem that the existing technology does not have the structural function of automatic feeding during use.

[0006] To achieve the above object, the present utility model provides the following technical solution: a biomass combustion device capable of automatic feeding, including a base, a chassis, a feeding structure and a combustion barrel. A chassis is installed on one side of the surface of the base, and a feeding structure is arranged above the other side of the surface of the base. A combustion barrel is arranged between the lower part of the feeding structure and the chassis. The combustion barrel is located in the middle of the surface of the base. The top of the feeding structure is provided with a feeding port, and the bottom end of the feeding port is connected to the top of the combustion barrel. A waste heat recovery and utilization structure is arranged on the other side of the top surface of the combustion barrel, and the waste heat recovery and utilization structure is located above the chassis. An outlet is arranged on one side of the outer wall of the combustion barrel, and the position of the outlet is parallel to the base. A combustion nozzle is arranged on the other side of the outer wall of the combustion barrel.

[0007] Preferably, the feeding structure includes a feeding rack, a conveyor belt and baffles. The feeding rack is located above one side of the surface of the base and is placed obliquely. A conveyor belt is installed in the middle of the feeding rack, and a number of baffles are arranged on the surface of the conveyor belt.

[0008] Preferably, a first motor is installed on one side above the feeding rack, and the first motor drives the conveyor belt to run.

[0009] Preferably, an isolation cover is installed on the top of the combustion barrel, a second motor is installed in the middle of the top surface of the isolation cover, and a material receiving port is opened on one side of the surface of the isolation cover.

[0010] Preferably, a rotating rod is installed in the middle of the inner bottom surface of the isolation cover. The top end of the rotating rod is connected to the second motor. A crushing roller is arranged on the lower section of the rotating rod, and a stirring rod is arranged on the upper section of the rotating rod.

[0011] Preferably, the waste heat recovery and utilization structure includes a waste heat recovery heat exchanger, a transmission pipe and a purification reactor. The waste heat recovery heat exchanger is connected to one side of the top of the combustion barrel. A transmission pipe is connected to the top of the waste heat recovery heat exchanger, and the port of the transmission pipe is connected to the purification reactor.

[0012] Preferably, an exhaust gas discharge port is arranged above the output end of the purification reactor, and a waste heat recovery discharge port is arranged at the front end of the purification reactor.

[0013] Preferably, the outlet is inclined, and the port of the outlet faces the concave part of the base. A closing plug is arranged at the connection between the outlet and the combustion barrel.

[0014] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0015] The biomass combustion device with automatic feeding realizes the automatic feeding of biomass fuel by setting a feeding structure including a feeding rack, a conveyor belt, and a baffle, and driven by a first motor. This greatly reduces the manual labor intensity, improves work efficiency, and provides an automatic material transfer function for the biomass combustion process. The automatic feeding structure can automatically adjust the fuel supply according to the combustion demand, achieving precise control, improving combustion efficiency and stability. The automatic feeding structure can ensure that the biomass fuel is continuously and stably fed into the combustion chamber without manual intervention, greatly improving the automation level of the equipment. The automatic feeding structure replaces the traditional manual feeding method, reduces the labor intensity of the operator, and reduces the dependence on human resources. The automatic feeding structure ensures the continuous supply of fuel, avoids the unstable combustion phenomenon caused by insufficient or excessive fuel, and improves the combustion efficiency;

[0016] The isolation cover installed on the top of the combustion barrel and the shredding roller and stirring rod inside it can effectively crush large pieces of biomass fuel under the drive of a second motor, increase the combustion surface area, promote the full combustion of the fuel, and improve the combustion efficiency;

[0017] The device is provided with a waste heat recovery and utilization structure, including a waste heat recovery heat exchanger, a transmission pipe, and a purification reactor, which can efficiently recover the waste heat generated during the combustion process and transfer it to the purification reactor or other heat energy utilization equipment through the transmission pipe, realizing the reuse of energy and improving the energy utilization rate. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the side and top-down structure of the present utility model;

[0020] Figure 3 It is a schematic diagram of the side and top-down structure of the combustion barrel of the present utility model;

[0021] Figure 4 It is a schematic diagram of the side and bottom-up structure of the combustion barrel of the present utility model;

[0022] Figure 5 It is a schematic diagram of the side view plane structure of the present utility model.

[0023] Description of the Reference Numerals:

[0024] 1. Base; 2. Chassis; 3. Feeding structure; 301. Feeding rack; 302. Conveyor belt; 303. Baffle; 304. First motor; 4. Combustion barrel; 401. Isolation cover; 402. Second motor; 403. Material receiving port; 404. Rotating rod; 405. Crushing roller; 406. Stirring rod; 5. Feeding port; 6. Waste heat recovery and utilization structure; 601. Waste heat recovery heat exchanger; 602. Transmission pipe; 603. Purification reactor; 604. Exhaust gas discharge port; 605. Waste heat recovery discharge port; 7. Discharge port; 701. Closing plug; 8. Combustion nozzle. Detailed implementation mode

[0025] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further introduced in detail below in conjunction with the accompanying drawings.

[0026] The present invention provides a biomass combustion device capable of automatic feeding as shown in Figures 1-5 Figure 10, which includes a base 1, a chassis 2, a feeding structure 3 and a combustion barrel 4. A chassis 2 is installed on one side of the surface of the base 1, and a feeding structure 3 is arranged above the other side of the surface of the base 1. The feeding structure 3 includes a feeding rack 301, a conveyor belt 302 and a baffle 303. The feeding rack 301 is located above one side of the surface of the base 1 and is placed obliquely. A conveyor belt 302 is installed in the middle of the feeding rack 301. A number of baffles 303 are arranged on the surface of the conveyor belt 302. A first motor 304 is installed on one side above the feeding rack 301. The first motor 304 drives the conveyor belt 302 to rotate. A combustion barrel 4 is arranged between the lower part of the feeding structure 3 and the chassis 2. The combustion barrel 4 is located in the middle of the surface of the base 1. An isolation cover 401 is installed on the top of the combustion barrel 4. A second motor 402 is installed in the middle of the top surface of the isolation cover 401. A material receiving port 403 is opened on one side of the surface of the isolation cover 401. A rotating rod 404 is installed in the middle of the inner bottom surface of the isolation cover 401. The top end of the rotating rod 404 is connected to the second motor 402. A crushing roller 405 is arranged on the lower section of the rotating rod 404, and a stirring rod 406 is arranged on the upper section of the rotating rod 404;

[0027] At the top of the feeding structure 3, there is a feeding port 5 installed. The bottom end of the feeding port 5 is connected to the top of the combustion barrel 4. On the other side of the top surface of the combustion barrel 4, there is a waste heat recovery and utilization structure 6, and the waste heat recovery and utilization structure 6 is located above the chassis 2. The waste heat recovery and utilization structure 6 includes a waste heat recovery heat exchanger 601, a transmission pipe 602, and a purification reactor 603. The waste heat recovery heat exchanger 601 is connected to one side of the top of the combustion barrel 4. The top of the waste heat recovery heat exchanger 601 is connected to a transmission pipe 602. The port of the transmission pipe 602 is connected to a purification reactor 603. Above the output end of the purification reactor 603, there is an exhaust gas discharge port 604. At the front end of the purification reactor 603, there is a waste heat recovery discharge port 605. On one side of the outer wall of the combustion barrel 4, there is a discharge port 7. The position of the discharge port 7 is parallel to the base 1. The discharge port 7 is inclined, and the port of the discharge port 7 faces the concave part of the base 1. At the connection between the discharge port 7 and the combustion barrel 4, there is a closing plug plate 701. On the other side of the outer wall of the combustion barrel 4, there is a combustion nozzle 8.

[0028] The working principle of this utility model:

[0029] Refer to the attached instructions Figures 1-5 For this type of biomass combustion device with automatic feeding, when in use, first, the biomass fuel is put on the feeding rack 301 and enters the feeding port 5. The first motor 304 starts, driving the conveyor belt 302 to run. The baffle 303 on the conveyor belt helps to guide the biomass fuel to move upward along the inclined feeding rack 301, and finally falls into the combustion barrel 4 through the material receiving port 403. After the biomass fuel enters the combustion barrel 4, the second motor 402 drives the rotating rod 404 to rotate. The crushing roller 405 on the rotating rod breaks the large biomass fuel, increasing the combustion surface area and improving the combustion efficiency. At the same time, the rotation of the stirring rod 406 helps the fuel to be evenly distributed in the combustion barrel, preventing local overheating or incomplete combustion. The combustion nozzle 8 provides the necessary combustion-supporting air or oxygen to promote the full combustion of the biomass fuel. The hot flue gas generated during the combustion process passes through the waste heat recovery heat exchanger 601, and the heat in the hot flue gas is transferred to the cooling medium to achieve waste heat recovery. The cooled flue gas enters the purification reactor 603 through the transmission pipe 602. During this process, the harmful substances in the flue gas are further purified or removed. The purified flue gas is discharged into the atmosphere through the exhaust gas discharge port 604, and the recovered heat is used for other heating or heating needs through the waste heat recovery discharge port 605. The ash residue generated after combustion is discharged through the inclined discharge port 7. The closing plug plate 701 can be closed when needed to prevent the ash residue from leaking. The ash residue can be cleaned regularly to keep the combustion barrel 4 clean and the combustion efficiency;

[0030] When using this device, ensure that the feed inlet 5 is unobstructed. Place the biomass fuel on the feeding rack 301, check whether the first motor 304, the second motor 402 and the combustion nozzle 8 are working properly, prepare the relevant equipment of the waste heat recovery system and the purification system, and ensure that they are in an operable state. Start the first motor 304 and the second motor 402 in sequence to make the conveyor belt 302 and the stirring rod 406 start to work. Open the combustion nozzle 8 and adjust the amount of combustion-supporting air to make the biomass fuel burn stably in the combustion barrel 4. Monitor the combustion process and the operation status of the waste heat recovery system to ensure that the biomass fuel burns fully and the waste heat is effectively recovered. Regularly check the purification effect of the purification reactor 603 to ensure that the discharged flue gas meets the environmental protection standards. When the biomass fuel is exhausted or shutdown is required, first close the combustion nozzle 8. After the fuel in the combustion barrel 4 burns out, then close the first motor 304 and the second motor 402. Open the closing plug 701 to clean the ash at the discharge port 7 and keep the equipment clean.

Claims

1. A biomass combustion device capable of automatic feeding, comprising a base (1), a chassis (2), a feeding structure (3), a combustion barrel (4), a feeding port (5), a waste heat recovery and utilization structure (6), a discharge port (7) and a combustion nozzle (8), characterized in that, On one side of the surface of the base (1), a chassis (2) is installed. Above the other side of the surface of the base (1), a feeding structure (3) is provided. Between the lower part of the feeding structure (3) and the chassis (2), a combustion barrel (4) is arranged. The combustion barrel (4) is located in the middle of the surface of the base (1). At the top of the feeding structure (3), a feeding port (5) is installed. The bottom end of the feeding port (5) is connected to the top of the combustion barrel (4). On the other side of the top surface of the combustion barrel (4), a waste heat recovery and utilization structure (6) is provided, and the waste heat recovery and utilization structure (6) is located above the chassis (2). On one side of the outer wall of the combustion barrel (4), a discharge port (7) is provided. The position of the discharge port (7) is parallel to the base (1). On the other side of the outer wall of the combustion barrel (4), a combustion nozzle (8) is provided.

2. The biomass combustion device capable of automatic feeding according to claim 1, characterized in that: The feeding structure (3) includes a feeding rack (301), a conveyor belt (302) and baffles (303). The feeding rack (301) is located above one side of the surface of the base (1) and is placed obliquely. In the middle of the feeding rack (301), a conveyor belt (302) is installed. A number of baffles (303) are arranged on the surface of the conveyor belt (302).

3. The biomass combustion device capable of automatic feeding according to claim 2, wherein: On one side above the feeding rack (301), a first motor (304) is installed. The first motor (304) drives the conveyor belt (302) to transmit.

4. A biomass combustion device capable of automatic feeding according to claim 1, characterized in that: At the top of the combustion barrel (4), an isolation cover (401) is installed. In the middle of the top surface of the isolation cover (401), a second motor (402) is installed. On one side of the surface of the isolation cover (401), a material receiving port (403) is opened.

5. The biomass combustion device capable of automatic feeding according to claim 4, wherein: In the middle of the inner bottom surface of the isolation cover (401), a rotating rod (404) is installed. The top end of the rotating rod (404) is connected to the second motor (402). A crushing roller (405) is arranged on the lower section of the rotating rod (404). A stirring rod (406) is arranged on the upper section of the rotating rod (404).

6. The biomass combustion device capable of automatic feeding according to claim 1, characterized in that: The waste heat recovery and utilization structure (6) includes a waste heat recovery heat exchanger (601), a transmission pipe (602) and a purification reactor (603). The waste heat recovery heat exchanger (601) is connected to one side of the top of the combustion barrel (4). The top of the waste heat recovery heat exchanger (601) is connected to a transmission pipe (602). The port of the transmission pipe (602) is connected to a purification reactor (603).

7. An automatic feeding biomass combustion device according to claim 6, characterized in that: Above the output end of the purification reactor (603), an exhaust gas discharge port (604) is provided. At the front end of the purification reactor (603), a waste heat recovery discharge port (605) is provided.

8. The biomass combustion device capable of automatic feeding according to claim 1, wherein: The discharge port (7) is inclined, and the port of the discharge port (7) faces the concave part of the base (1). A closing plug (701) is arranged at the connection between the discharge port (7) and the combustion barrel (4).

Images