Biomass fuel boiler with sufficient combustion

Abstract

The utility model relates to the technical field of biomass boilers, and discloses a sufficient-combustion biomass fuel boiler which comprises a boiler body, a feeding pipe, a first smashing roller, a second smashing roller, a smoke exhaust pipe, a rotating center shaft, a plurality of impellers, a plurality of rotating blades and two fans. The boiler main body is arranged on the ground; the feeding pipe is arranged above the boiler body, the first smashing roller is arranged in the feeding pipe, the second smashing roller is tightly attached to the first smashing roller, the smoke exhaust pipe is arranged above the boiler body, the rotating center shaft is arranged in the boiler body, the multiple impellers are arranged on the rotating center shaft in a sleeving mode, and the multiple rotating blades are fixedly connected with the multiple impellers correspondingly. The two fans are embedded in the inner wall of the boiler body. By arranging the boiler main body, the feeding pipe, the first crushing roller, the second crushing roller, the smoke exhaust pipe, the rotating middle shaft, the plurality of impellers, the plurality of rotating blades, the two fans and the like, fuel is crushed and mixed when the biomass boiler works, so that sufficient combustion and smoke ash emission are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass boilers, in particular to a biomass fuel boiler with sufficient combustion. Background Art

[0002] As an environmentally friendly and efficient energy utilization equipment, the sufficiency of the combustion process of biomass boilers directly affects the energy utilization efficiency and environmental protection effect. However, the fuel is too large to be fully burned, and during the combustion process, the fuel is scattered everywhere and cannot be mixed and stirred, which will cause the problem of incomplete combustion of biomass boilers, and at the same time, a large amount of soot is generated and cannot be discharged, resulting in energy waste and environmental pollution.

[0003] Therefore, a biomass fuel boiler with sufficient combustion is proposed. Utility Model Content

[0004] The utility model aims to solve the technical problem of how to crush and mix fuel to achieve full combustion and ash emission when a biomass boiler is working, and provides a biomass fuel boiler with full combustion.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a biomass fuel boiler with sufficient combustion, including a boiler body, a feed pipe, a drive box, a first motor, a driving gear, a driven gear, a first rotating column, a second rotating column, a first crushing roller, a second crushing roller, a smoke exhaust pipe, a second motor, a rotating central shaft, a plurality of impellers, a plurality of rotating blades, two fans, a discharge port, and a controller. The boiler body is arranged on the ground. The feed pipe is arranged above the boiler body, one end of which is connected to the inside of the boiler body, and the other end is connected to the outside air. The drive box is arranged above the boiler body, on the side of the feed pipe, and is fixedly connected to the side of the boiler body. The axis of the first motor rotating shaft is arranged horizontally, and the first motor is arranged inside the drive box and is fixedly connected to the bottom of the drive box. The axis of the driving gear coincides with the axis of the first motor rotating shaft, and the driving gear is arranged on the side of the first motor rotating shaft and is fixedly connected to the first motor rotating shaft. The axis of the driven gear is parallel to the axis of the driving gear, and the driven gear is arranged side by side with the driving gear and meshes with the driving gear. The axis of the first rotating column coincides with the axis of the driving gear. The first rotating column passes through the drive box and the feed pipe extends to the inside of the feed pipe. It is arranged on the side of the driving gear away from the first motor, and one end is fixedly connected to the driving gear. The axis of the second rotating column coincides with the axis of the driven gear. The second rotating column passes through the drive box and the feed pipe extends to the inside of the feed pipe. It is arranged on the side of the driven gear away from the first motor, and one end is fixedly connected to the driven gear. The axis of the first crushing roller coincides with the axis of the first rotating column. The first crushing roller is arranged inside the feed pipe and is located on the side of the first rotating column. One end of the first crushing roller is fixedly connected to the other end of the first rotating column, and the other end is rotatably connected to the inner wall of the feed pipe. The axis of the second crushing roller coincides with the axis of the second rotating column. The second crushing roller is arranged inside the feed pipe and is located on the side of the second rotating column. One end of the second crushing roller is fixedly connected to the other end of the second rotating column, and the other end is rotatably connected to the inner wall of the feed pipe. The second crushing roller is arranged side by side with the first crushing roller. The exhaust pipe is vertically arranged above the boiler body, on the side of the feed pipe away from the drive box, one end of which is connected to the inside of the boiler body, and the other end of which is connected to the outside air. The axis of the second motor's rotating shaft is arranged horizontally, and the second motor is arranged on the side of the boiler body close to the exhaust pipe, and is fixedly connected to the boiler body. The rotating central axis is placed horizontally, and its axis direction coincides with the axis direction of the second motor's rotating shaft. It is arranged inside the boiler body, and its two ends are respectively rotatably connected to the inner wall of the boiler body, and the rotating central axis is fixedly connected to the rotating shaft of the second motor. A plurality of impellers are sleeved on the rotating central axis and are fixedly connected to the rotating central axis.The plurality of rotating blades are respectively arranged on the sides of the plurality of impellers and are respectively fixedly connected to the plurality of impellers. The two fans are embedded in the side wall of the boiler body, below the rotating central axis, and respectively on the sides of the plurality of rotating blades. The two fans are fixedly connected to the inner wall of the boiler body. The discharge port is arranged on the side of the boiler body, below the fan, with one end connected to the inside of the boiler body and the other end connected to the outside air. The controller is electrically connected to the first motor, the second motor, and the two fans.

[0006] When the user wants to fully burn the fuel, the user puts the fuel into the feed pipe to prepare the fuel. The user controls the first motor, the second motor and the two fans. The output shaft of the first motor rotates to drive the driving gear to rotate, and the driving gear rotates to drive the first rotating column to rotate. The first rotating column rotates to drive the first crushing roller to rotate. At the same time, the driving gear rotates to drive the driven gear to rotate, and the driven gear rotates to drive the second rotating column to rotate. The second rotating column rotates to drive the second crushing roller to rotate, so that the first crushing roller and the second crushing roller cooperate with each other to crush the fuel falling from the feed pipe. The crushed fuel enters the boiler body, the second motor is started, the second motor rotating shaft rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive several impellers to rotate, and the several impellers rotate to drive several rotating blades to rotate, and the several rotating blades rotate to stir the crushed fuel, so that the crushed fuel is fully mixed, and the crushed fuel is burned inside the boiler body after mixing. The two fans are started to blow air to the burning crushed mixed fuel to make it fully burned, and finally the fully burned mixed crushed fuel is discharged through the discharge port. The drive box is bolted to the side of the boiler body.

[0007] The user puts the fuel into the feed pipe to burn the fuel. When the user wants to fully burn the fuel, the user can start the first motor through the controller. The first motor starts, driving the output shaft of the first motor to rotate. The rotation of the first motor output shaft drives the driving gear to rotate. The driving gear rotates and then drives the first rotating column to rotate. The first rotating column rotates and drives the first crushing roller to rotate. At the same time, the driving gear rotates and drives the driven gear to rotate. The driven gear rotates and then drives the second rotating column to rotate. The second rotating column rotates and drives the second crushing roller to rotate, so that the first crushing roller and the second crushing roller cooperate with each other to crush the fuel falling from the feed pipe. The crushed fuel enters the boiler body. The user starts the second motor through the controller. The second motor starts, the second motor rotating shaft rotates and drives the rotating central shaft to rotate. The rotating central shaft rotates and drives a number of impellers to rotate. The rotation of the impellers drives a number of rotating blades to rotate. The rotation of the several rotating blades stirs the crushed fuel, so that the crushed fuel is fully mixed. After the crushed fuel is mixed, it is burned inside the boiler body. The user starts two fans through the controller, and the two fans start to blow air to the burning crushed mixed fuel to make it burn fully, and finally the fully burned mixed crushed fuel is discharged through the discharge port.

[0008] The user can use the controller to control the first motor, the second motor and the two fans. The first motor drives the driving gear and the driven gear to rotate, thereby driving the first rotating column and the second rotating column to rotate, and then driving the first crushing roller and the second crushing roller to rotate, which can effectively crush the falling fuel, reduce the volume of the fuel, and increase the contact area between the fuel and the air. Several rotating blades stir the crushed fuel to make it evenly mixed for subsequent combustion. The setting of two fans blows air to the burning crushed mixed fuel, further improving the combustion effect and making the combustion of the crushed mixed fuel more complete.

[0009] Preferably, the drive box is connected to the side of the boiler body by bolts.

[0010] Bolt connection, easy to install and disassemble, convenient for maintenance, and can be tightly connected even in high temperature environment.

[0011] Preferably, the smoke exhaust pipe is a hard pipe.

[0012] The rigid tube is tough, strong and durable, with a smooth inner wall, small wind resistance, no obvious air volume attenuation and good smoke exhaust effect.

[0013] Preferably, the plurality of rotating blades and the plurality of impellers are connected by welding.

[0014] The welding method has good connection performance, and can easily combine and weld plates and profiles according to needs. At the same time, the welded structure has high rigidity and good integrity. At the same time, it is easy to ensure air tightness and water tightness.

[0015] Preferably, the two fans are inner rotor centrifugal fans.

[0016] The inner rotor centrifugal fan has a compact structure, small size, and has a higher moment of inertia, which can provide more stable operation.

[0017] Preferably, the plurality of rotating blades are made of a high temperature resistant alloy.

[0018] Several rotating blades are used to withstand greater working stress and higher working temperature, and the changes in stress and temperature are also more frequent and drastic. The use of high-temperature resistant alloy materials can reduce corrosion and wear problems of several rotating blades and increase the service life of several rotating blades.

[0019] Beneficial effects of the utility model:

[0020] 1. The utility model can effectively crush the falling fuel by setting the first crushing roller and the second crushing roller to rotate, reduce the volume of the fuel, and increase the contact area between the fuel and the air. A number of rotating blades stir the crushed fuel to make it evenly mixed, which is convenient for subsequent combustion. The setting of two fans blows air to the crushed mixed fuel in combustion, further improving the combustion effect and making the crushed mixed fuel burn more fully. The smoke exhaust pipe is convenient for the discharge of smoke ash from fuel combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model.

[0023] Explanation of the accompanying drawings: 1. Boiler body; 2. Feed pipe; 3. Drive box; 4. First motor; 5. Driving gear; 6. First rotating column; 7. First crushing roller; 8. Smoke exhaust pipe; 9. Second motor; 10. Rotating central axis; 11. Several impellers; 12. Several rotating blades; 13. Two fans; 14. Discharge port. DETAILED DESCRIPTION

[0024] The concept of the present invention and the technical effects produced will be clearly and completely described below in conjunction with the embodiments so as to fully understand the purpose, features and effects of the present invention.

[0025] like Figure 1The technical solution adopted by the utility model to solve its technical problems is: a biomass fuel boiler with sufficient combustion, including a boiler body 1, a feed pipe 2, a drive box 3, a first motor 4, a driving gear 5, a driven gear, a first rotating column 6, a second rotating column, a first crushing roller 7, a second crushing roller, a smoke exhaust pipe 8, a second motor 9, a rotating central axis 10, a plurality of impellers 11, a plurality of rotating blades 12, two fans 13, a discharge port 14, and a controller. The boiler body 1 is arranged on the ground. The feed pipe 2 is arranged above the boiler body 1, one end of which is connected to the inside of the boiler body 1, and the other end is connected to the outside air. The drive box 3 is arranged above the boiler body 1, on the side of the feed pipe 2, and is fixedly connected to the side of the boiler body 1. The axis of the rotating shaft of the first motor 4 is arranged horizontally, and the first motor 4 is arranged inside the drive box 3 and is fixedly connected to the bottom of the drive box 3. The axis of the driving gear 5 coincides with the axis of the rotating shaft of the first motor 4, and the driving gear 5 is arranged on the side of the rotating shaft of the first motor 4 and is fixedly connected to the rotating shaft of the first motor 4. The axis of the driven gear is parallel to the axis of the driving gear 5. The driven gear is arranged side by side with the driving gear 5 and meshes with the driving gear 5. The axis of the first rotating column 6 coincides with the axis of the driving gear 5. The first rotating column 6 penetrates the drive box 3 and the feed pipe 2 and extends to the inside of the feed pipe 2. It is arranged on the side of the driving gear 5 away from the first motor 4, and one end is fixedly connected to the driving gear 5. The axis of the second rotating column coincides with the axis of the driven gear. The second rotating column penetrates the drive box 3 and the feed pipe 2 and extends to the inside of the feed pipe 2. It is arranged on the side of the driven gear away from the first motor 4, and one end is fixedly connected to the driven gear. The axis of the first crushing roller 7 coincides with the axis of the first rotating column 6. The first crushing roller 7 is arranged inside the feed pipe 2 and is on the side of the first rotating column 6. One end of the first crushing roller 7 is fixedly connected to the other end of the first rotating column 6, and the other end is rotatably connected to the inner wall of the feed pipe 2. The axis of the second crushing roller coincides with the axis of the second rotating column. The second crushing roller is arranged inside the feed pipe 2, on the side of the second rotating column. One end of the second crushing roller is fixedly connected to the other end of the second rotating column, and the other end is rotatably connected to the inner wall of the feed pipe 2. The second crushing roller is arranged side by side with the first crushing roller 7. The smoke exhaust pipe 8 is vertically arranged above the boiler body 1, on the side of the feed pipe 2 away from the drive box 3, one end is connected to the inside of the boiler body 1, and the other end is connected to the outside air. The axis of the rotating shaft of the second motor 9 is arranged horizontally. The second motor 9 is arranged on the side of the boiler body 1 close to the smoke exhaust pipe 8 and is fixedly connected to the boiler body 1. The rotating central axis 10 is placed horizontally, and its axis direction coincides with the axis direction of the rotating shaft of the second motor 9. It is arranged inside the boiler body 1, and both ends are rotatably connected to the inner wall of the boiler body 1. The rotating central axis 10 is fixedly connected to the rotating shaft of the second motor 9. A plurality of impellers 11 are sleeved on the rotating central axis 10 and are fixedly connected to the rotating central axis 10. The rotating blades 12 are respectively disposed on the sides of the impellers 11 and are respectively fixedly connected to the impellers 11 .Two fans 13 are embedded in the side wall of the boiler body 1, below the rotating central axis 10, and on the sides of the plurality of rotating blades 12, respectively. The two fans 13 are fixedly connected to the inner wall of the boiler body 1. The discharge port 14 is arranged on the side of the boiler body 1, below the fan, with one end connected to the inside of the boiler body 1 and the other end connected to the outside air. The controller is electrically connected to the first motor 4, the second motor 9, and the two fans 13.

[0026] When the user wants to fully burn the fuel, the user puts the fuel into the feed pipe 2 to prepare the fuel. The user controls the first motor 4, the second motor 9 and the two fans 13. The output shaft of the first motor 4 rotates to drive the driving gear 5 to rotate. The driving gear 5 rotates to drive the first rotating column 6 to rotate. The first rotating column 6 rotates to drive the first crushing roller 7 to rotate. At the same time, the driving gear 5 rotates to drive the driven gear to rotate. The driven gear rotates to drive the second rotating column to rotate. The second rotating column rotates to drive the second crushing roller to rotate, so that the first crushing roller 7 and the second crushing roller cooperate with each other to crush the fuel falling from the feed pipe 2. The crushed fuel enters the boiler body 1, the second motor 9 is started, the second motor 9 rotating shaft rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 rotates to drive the plurality of impellers 11 to rotate, the plurality of impellers 11 rotate to drive the plurality of rotating blades 12 to rotate, and the plurality of rotating blades 12 rotate to stir the crushed fuel, so that the crushed fuel is fully mixed, and the crushed fuel is burned inside the boiler body 1 after mixing. The two fans 13 are started to blow air to the burning pulverized mixed fuel to make it fully burn, and finally the fully burned mixed pulverized fuel is discharged through the discharge port 14. The drive box 3 is connected to the side of the boiler body 1 by bolts.

[0027] The smoke exhaust pipe 11 is a hard pipe.

[0028] The plurality of rotating blades 15 and the plurality of impellers 14 are connected by welding.

[0029] The two fans 16 are inner rotor centrifugal fans.

[0030] The plurality of rotating blades 15 are made of high temperature resistant alloy.

[0031] Working principle:

[0032] The user can use the controller to control the first motor 4, the second motor 12 and the two fans 16. The user starts the first motor 4 through the controller, and the first motor 4 starts, driving the output shaft of the first motor 4 to rotate, and the output shaft of the first motor 4 rotates to drive the driving gear 5 to rotate, and the driving gear 5 rotates to drive the first rotating column 7 to rotate, and the first rotating column 7 rotates to drive the first crushing roller 9 to rotate. At the same time, the driving gear 5 rotates to drive the driven gear 6 to rotate, and the driven gear 6 rotates to drive the second rotating column 8 to rotate, and the second rotating column 8 rotates to drive the second crushing roller 10 to rotate, so that the first crushing roller 9 and the second crushing roller 10 cooperate with each other to crush the fuel falling from the feeding pipe 2. The crushed fuel enters the boiler body 1, and the user starts the second motor 12 through the controller. The second motor 12 starts, and the second motor 12 rotates the rotating shaft to drive the rotating central shaft 13 to rotate. The rotating central shaft 13 rotates to drive the impellers 14 to rotate. The impellers 14 rotate to drive the rotating blades 15 to rotate. The rotating blades 15 rotate to stir the crushed fuel, so that the crushed fuel is fully mixed. After the crushed fuel is mixed, it is burned inside the boiler body 1. The user starts two fans 16 through the controller. The two fans 16 start to blow air to the burning crushed mixed fuel to make it fully burned. Finally, the fully burned mixed crushed fuel is discharged through the discharge port 17.

[0033] The above embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work all fall within the scope of protection of the utility model.

Claims

1. A biomass fuel boiler with sufficient combustion, characterized in that The invention comprises a boiler body (1), a feed pipe (2), a drive box (3), a first motor (4), a driving gear (5), a driven gear, a first rotating column (6), a second rotating column, a first crushing roller (7), a second crushing roller, a smoke exhaust pipe (8), a second motor (9), a rotating central axis (10), a plurality of impellers (11), a plurality of rotating blades (12), two fans (13), a discharge port (14), and a controller; the boiler body (1) is arranged on the ground; the feed pipe (2) is arranged above the boiler body (1), one end of which is connected to the inside of the boiler body (1), and the other end of which is connected to the outside air; the drive box (3) is arranged above the boiler body (1), and is located on the side of the feed pipe (2). The first motor (4) is fixedly connected to the side of the boiler body (1); the axis of the rotating shaft of the first motor (4) is arranged horizontally, the first motor (4) is arranged inside the driving box (3), and is fixedly connected to the bottom of the driving box (3); the axis of the driving gear (5) coincides with the axis of the rotating shaft of the first motor (4), the driving gear (5) is arranged on the side of the rotating shaft of the first motor (4), and is fixedly connected to the rotating shaft of the first motor (4); the axis of the driven gear is parallel to the axis of the driving gear (5), the driven gear is arranged side by side with the driving gear (5), and meshes with the driving gear (5); the axis of the first rotating column (6) coincides with the axis of the driving gear (5), the first rotating column (6) The first rotating column (6) is provided in the feeding tube (2) and is arranged on the side of the driving gear (5) away from the first motor (4). One end of the first rotating column (6) is fixedly connected to the driving gear (5). The axis of the second rotating column coincides with the axis of the driven gear. The second rotating column (6) is provided in the feeding tube (2) and is arranged on the side of the driven gear (5) away from the first motor (4). One end of the first rotating column (6) is fixedly connected to the driven gear. The axis of the first crushing roller (7) coincides with the axis of the first rotating column (6). The first crushing roller (7) is provided in the feeding tube (2) and is located on the side of the first rotating column (6). One end of the crushing roller (7) is fixedly connected to the other end of the first rotating column (6), and the other end is rotatably connected to the inner wall of the feed pipe (2); the axis of the second crushing roller coincides with the axis of the second rotating column, the second crushing roller is arranged inside the feed pipe (2), on the side of the second rotating column, one end of the second crushing roller is fixedly connected to the other end of the second rotating column, and the other end is rotatably connected to the inner wall of the feed pipe (2), and the second crushing roller and the first crushing roller (7) are arranged side by side; the smoke exhaust pipe (8) is vertically arranged above the boiler body (1), on the side of the feed pipe (2) away from the drive box (3), one end of which is connected to the inside of the boiler body (1), and the other end of which is connected to the outside air;The axis of the rotating shaft of the second motor (9) is arranged horizontally. The second motor (9) is arranged on the side of the boiler body (1) close to the smoke exhaust pipe (8) and is fixedly connected to the boiler body (1). The rotating central axis (10) is placed horizontally, and its axis direction coincides with the axis direction of the rotating shaft of the second motor (9). It is arranged inside the boiler body (1), and its two ends are respectively rotatably connected to the inner wall of the boiler body (1). The rotating central axis (10) is fixedly connected to the rotating shaft of the second motor (9); a plurality of impellers are sleeved on the rotating central axis (10) and are fixedly connected to the rotating central axis (10). ; The plurality of rotating blades are respectively arranged on the sides of the plurality of impellers and are respectively fixedly connected to the plurality of impellers; the two fans are embedded in the side wall of the boiler body (1), located below the rotating central axis (10), and respectively located on the sides of the plurality of rotating blades; the two fans are fixedly connected to the inner wall of the boiler body (1); the discharge port (14) is arranged on the side of the boiler body (1), located below the fan, one end of which is connected to the inside of the boiler body (1), and the other end of which is connected to the outside air; the controller is electrically connected to the first motor (4), the second motor (9), and the two fans. ; 2. A biomass fuel boiler with sufficient combustion according to claim 1, characterized in that The drive box (3) is connected to the side of the boiler body (1) by bolts.

3. A biomass fuel boiler with sufficient combustion according to claim 1, characterized in that : The smoke exhaust pipe (8) is a hard pipe.

4. A biomass fuel boiler with sufficient combustion according to claim 1, characterized in that The connection between the plurality of rotating blades (12) and the plurality of impellers (11) is by welding.

5. A biomass fuel boiler with sufficient combustion according to claim 1, characterized in that The two fans (13) are inner rotor centrifugal fans.

6. A biomass fuel boiler with sufficient combustion according to claim 1, characterized in that : Some of the rotating blades (12) are made of high temperature resistant alloy.

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