Novel biomass boiler

Abstract

The utility model relates to the field of fire grates, and discloses a novel biomass boiler which comprises a bottom plate, the top of the bottom plate is fixedly connected with a boiler barrel, a grate is arranged in the boiler barrel, the grate is round, the center of the grate is sunken downwards, the grate is located at the top of an ash discharge port and the top of an air supply pipe, and the outer wall of the grate is fixedly connected with an outer gear ring. The bottom of the outer gear ring is rotatably connected with the inner wall of the furnace barrel through a bearing, a through hole is formed in the right side wall of the furnace barrel and located in the right side of the outer gear ring, a first motor is fixedly installed on the right side wall of the furnace barrel and located at the bottom of the through hole, and a gear is fixedly connected to the top end of an output shaft of the first motor, penetrates through the through hole and is meshed with the outer gear ring. By means of the design that the middle of the grate is sunken downwards and can rotate, fuel can be evenly distributed in the furnace barrel, the problems of fuel accumulation and insufficient combustion are avoided, and the combustion efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace grate field, concretely to a novel biomass boiler. BACKGROUND

[0002] In the current biomass boiler, the fuel entering the biomass boiler is prone to accumulate on the furnace grate inside the biomass boiler, resulting in insufficient combustion, a large amount of black smoke and unburnt ash, and uneven fuel distribution affecting the temperature distribution in the hearth and reducing the combustion efficiency. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings, the utility model provides a novel biomass boiler.

[0004] The utility model takes the technical scheme of:

[0005] A novel biomass boiler, including the bottom plate, the top of bottom plate is fixedly connected with the furnace cylinder, the left side wall top of furnace cylinder is fixedly connected with the smoke pipe, the right side wall bottom of furnace cylinder is fixedly connected with the air supply pipe, the top right side of bottom plate is fixedly installed with the fan, the air outlet end of fan is fixedly connected with the right end of air supply pipe, the left side wall bottom of furnace cylinder is equipped with the ash discharge port, the inner wall of ash discharge port is inserted with the furnace door, the furnace cylinder has the furnace grate, the furnace grate is circular and the center is concave downward, the furnace grate is located at the ash discharge port and the air supply pipe top, the outer wall of furnace grate is fixedly connected with the outer gear ring, the bottom of outer gear ring is rotatably connected with the furnace cylinder inner wall through the bearing, the right side wall of furnace cylinder is equipped with the through hole, the through hole is located at the right side of outer gear ring, the right side wall of furnace cylinder is fixedly installed with motor one, motor one is located at the bottom of through hole, the output shaft top end of motor one is fixedly connected with the gear, the gear passes through the through hole, the gear is engaged with the outer gear ring, the right side of furnace cylinder has the hopper, the outer wall of hopper is fixedly connected with four supporting legs, four supporting legs are distributed in rectangle, the bottom end of supporting leg is fixedly connected with the top of bottom plate, the bottom of hopper is connected with the material conveying mechanism, the left end of material conveying mechanism is connected with the right side wall top of furnace cylinder.

[0006] The material conveying mechanism includes the material conveying pipe, the material conveying pipe is fixedly connected at the bottom of hopper, the right end top of material conveying pipe is connected with the bottom of hopper, the left end of material conveying pipe is fixedly connected with the furnace cylinder, the material conveying pipe has the rotating shaft, the left and right ends of rotating shaft are rotatably connected with the left and right end inner walls of material conveying pipe, the outer wall of rotating shaft is fixedly connected with the reamer, the reamer is spiral, the outer wall of reamer is gap fit with the inner wall of material conveying pipe, the right end of material conveying pipe is fixedly installed with motor two, the output shaft of motor two is fixedly connected with the right end of rotating shaft, the left end of rotating shaft is rotatably connected with the vertical plate, the vertical plate is fixedly connected with the left end inner wall of material conveying pipe.

[0007] The top of furnace cylinder is fixedly connected with the furnace surface, the top middle part of furnace surface is fixedly embedded with the furnace cover, the outer side of furnace cover has the furnace seat, the furnace seat is fixedly connected with the top of furnace surface.

[0008] The utility model discloses beneficial effect:

[0009] The utility model discloses a stove grate middle part is concave downward and can evenly distribute the fuel that enters on the stove grate upper portion through the stove grate rotation. This makes the fuel evenly distribute in the furnace cylinder, avoids the problem of local fuel accumulation and insufficient combustion, improves the combustion efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure schematic drawing of the utility model;

[0011] Figure 2 It is Figure 1 Right side view structure schematic drawing;

[0012] Figure 3 It is Figure 1 Left view of;

[0013] Figure 4 It is Figure 3 Middle A-A section view;

[0014] Figure 5 It is the structure schematic drawing of stove grate.

[0015] In all drawings, the specific sign in drawing mark is: 1, bottom plate;2, furnace cylinder;3, smoke exhaust pipe;4, hopper;5, air supply pipe;6, fan;7, ash outlet;8, furnace door;9, stove grate;10, outer gear ring;11, through -hole;12, motor one;13, gear;14, stove surface;15, furnace cover;16, furnace base;17, support leg;18, material conveying pipe;19, rotating shaft;20, reamer;21, motor two;22, vertical board. DETAILED DESCRIPTION

[0016] As Figures 1-5As shown: A new type of biomass boiler includes a bottom plate 1, the top of the bottom plate 1 is fixedly connected to a furnace 2, the top of the left wall of the furnace 2 is fixedly connected to a smoke exhaust pipe 3, the bottom of the right wall of the furnace 2 is fixedly connected to an air supply pipe 5, a fan 6 is fixedly installed on the top right side of the bottom plate 1, the air outlet end of the fan 6 is fixedly connected to the right end of the air supply pipe 5, an ash discharge port 7 is opened at the bottom of the left wall of the furnace 2, a furnace door 8 is plugged into the inner wall of the ash discharge port 7, a grate 9 is provided in the furnace 2, the grate 9 is circular and concave in the center, the grate 9 is located at the ash discharge port 7 and the top of the air supply pipe 5, the outer wall of the grate 9 is fixedly connected to an outer gear ring 10, and the bottom of the outer gear ring 10 is connected by an axis. The bearing is rotatably connected to the inner wall of the furnace drum 2. A through hole 11 is provided on the right side wall of the furnace drum 2. The through hole 11 is located on the right side of the outer gear ring 10. A motor 12 is fixedly installed on the right side wall of the furnace drum 2. The motor 12 is located at the bottom of the through hole 11. The top end of the output shaft of the motor 12 is fixedly connected with a gear 13. The gear 13 passes through the through hole 11 and is engaged with the outer gear ring 10. There is a hopper 4 on the right side of the furnace drum 2. Four legs 17 are fixedly connected to the outer wall of the hopper 4. The four legs 17 are distributed in a rectangular shape. The bottom ends of the legs 17 are fixedly connected to the top of the bottom plate 1. The bottom of the hopper 4 is connected to a feeding mechanism, and the left end of the feeding mechanism is connected to the top of the right side wall of the furnace drum 2.

[0017] The feeding mechanism includes a feeding pipe 18, which is fixedly connected to the bottom of the hopper 4, the top of the right end of the feeding pipe 18 is connected to the bottom of the hopper 4, and the left end of the feeding pipe 18 is fixedly connected to the furnace 2. A rotating shaft 19 is provided in the feeding pipe 18, and the left and right ends of the rotating shaft 19 are rotatably connected to the inner walls of the left and right ends of the feeding pipe 18. A reamer 20 is fixedly connected to the outer wall of the rotating shaft 19, and the reamer 20 is spiral-shaped. The outer wall of the reamer 20 is clearance-matched with the inner wall of the feeding pipe 18. A motor 21 is fixedly installed on the right end of the feeding pipe 18, and the output shaft of the motor 21 is fixedly connected to the right end of the rotating shaft 19. The left end of the rotating shaft 19 is rotatably connected to the vertical plate 22, and the vertical plate 22 is fixedly connected to the inner wall of the left end of the feeding pipe 18.

[0018] The top of the furnace drum 2 is fixedly connected to a furnace surface 14 , a furnace cover 15 is fixedly embedded in the middle of the top of the furnace surface 14 , and a furnace base 16 is provided on the outer side of the furnace cover 15 , and the furnace base 16 is fixedly connected to the top of the furnace surface 14 .

[0019] Fuel is added through the hopper 4, and the bottom of the hopper 4 is connected to the furnace drum 2 through a feeding mechanism.

[0020] The second motor 21 is started, driving the rotating shaft 19 and the spiral reamer 20 to rotate, and transporting the fuel from the hopper 4 to the furnace drum 2.

[0021] After the fuel enters the furnace tube 2, it falls on the rotatable grate 9. The motor 12 is started, and the grate 9 is driven to rotate through the engagement of the gear 13 with the outer gear ring 10, so that the fuel can be evenly distributed on the upper part of the grate 9.

[0022] The design that the middle part of the grate 9 is concave downward makes the fuel be uniformly distributed in the rotating process, and improves the combustion efficiency.

[0023] The fan 6 is started, air is sent to the bottom of the furnace cylinder 2 through the air supply pipe 5, sufficient oxygen is provided for the fuel, combustion is promoted, and the flue gas generated by combustion is discharged through the flue gas discharge pipe 3.

[0024] The ash after combustion is discharged through the ash discharge port 7, and the furnace door 8 can be opened or closed to control the ash discharge process. The utility model only protects the mechanical part, and the functions related thereto realized by the software control part are not within the protection range of the utility model.

Claims

1. A new type of biomass boiler, characterized in that: The invention comprises a bottom plate (1), the top of the bottom plate (1) is fixedly connected to a furnace drum (2), the top of the left wall of the furnace drum (2) is fixedly connected to a smoke exhaust pipe (3), the bottom of the right wall of the furnace drum (2) is fixedly connected to an air supply pipe (5), a fan (6) is fixedly installed on the right side of the top of the bottom plate (1), the air outlet end of the fan (6) is fixedly connected to the right end of the air supply pipe (5), an ash discharge port (7) is provided at the bottom of the left wall of the furnace drum (2), a furnace door (8) is plugged into the inner wall of the ash discharge port (7), a furnace grate (9) is provided in the furnace drum (2), the furnace grate (9) is circular and has a downward depression at the center, the furnace grate (9) is located between the ash discharge port (7) and the top of the air supply pipe (5), the outer wall of the furnace grate (9) is fixedly connected to an outer gear ring (10), and the bottom of the outer gear ring (10) is connected to the furnace drum (2) through a bearing. The inner wall is rotatably connected. A through hole (11) is provided on the right side wall of the furnace drum (2). The through hole (11) is located on the right side of the outer gear ring (10). A motor (12) is fixedly installed on the right side wall of the furnace drum (2). The motor (12) is located at the bottom of the through hole (11). A gear (13) is fixedly connected to the top of the output shaft of the motor (12). The gear (13) passes through the through hole (11) and is engaged with the outer gear ring (10). A hopper (4) is provided on the right side of the furnace drum (2). Four legs (17) are fixedly connected to the outer wall of the hopper (4). The four legs (17) are distributed in a rectangular shape. The bottom ends of the legs (17) are fixedly connected to the top of the bottom plate (1). The bottom of the hopper (4) is connected to a feeding mechanism. The left end of the feeding mechanism is connected to the top of the right side wall of the furnace drum (2).

2. A novel biomass boiler according to claim 1, characterized in that: The feeding mechanism comprises a feeding pipe (18), which is fixedly connected to the bottom of the hopper (4), the top of the right end of the feeding pipe (18) is communicated with the bottom of the hopper (4), and the left end of the feeding pipe (18) is fixedly communicated with the furnace drum (2). A rotating shaft (19) is provided in the feeding pipe (18), and the left and right ends of the rotating shaft (19) are rotatably connected to the inner walls of the left and right ends of the feeding pipe (18). A reamer (20) is fixedly connected to the outer wall of the rotating shaft (19), and the reamer (20) is spiral-shaped. The outer wall of the reamer (20) is clearance-matched with the inner wall of the feeding pipe (18). A second motor (21) is fixedly installed at the right end of the feeding pipe (18), and the output shaft of the second motor (21) is fixedly connected to the right end of the rotating shaft (19). The left end of the rotating shaft (19) is rotatably connected to a vertical plate (22), and the vertical plate (22) is fixedly connected to the inner wall of the left end of the feeding pipe (18).

3. A novel biomass boiler according to claim 1, characterized in that: The top of the furnace drum (2) is fixedly connected to a furnace surface (14), a furnace cover (15) is fixedly embedded in the middle of the top of the furnace surface (14), a furnace base (16) is provided on the outside of the furnace cover (15), and the furnace base (16) is fixedly connected to the top of the furnace surface (14).

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