CN216047605U

CN216047605U - Biomass solid fuel burner

Info

Publication number: CN216047605U
Application number: CN202122664169.5U
Authority: CN
Inventors: 王志平; 强建国; 李哲; 姜智慧
Original assignee: Changzhou Bo Ai Biomass Energy Technology Co ltd
Current assignee: Changzhou Bo Ai Biomass Energy Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-15
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a biomass solid fuel burner which comprises a furnace body and a hearth positioned at the bottom of the furnace body, wherein one side of the hearth is connected with an air supply device, the other side of the hearth is connected with a material conveying device, an ash discharge box is arranged at the bottom of the hearth, a furnace bridge is arranged between the hearth and the ash discharge box, a leakage hole is formed in the furnace bridge, a support column is arranged in the middle of the ash discharge box, a first motor is arranged at the top of the support column, the output end of the first motor penetrates through the furnace bridge to extend upwards and is connected with a rotary column, the periphery of the rotary column is connected with a spiral stirring blade, the bottom of the rotary column is connected with a rotary rod, the bottoms of two sides of the rotary rod are connected with connecting rods, the bottom of each connecting rod is connected with a scraper, and the bottom of each scraper is close to the furnace bridge. The utility model has the effect of avoiding the accumulation of solid fuel.

Description

Biomass solid fuel burner

Technical Field

The utility model belongs to the technical field of burners, and particularly relates to a biomass solid fuel burner.

Background

The biomass pellet fuel is a typical biomass solid forming fuel, and has the advantages of high efficiency, environmental protection, near zero emission of CO2 and the like. The heat-preserving agent not only can replace fossil fuels such as coal and the like to meet the heat demand of people in production and life, but also can simultaneously maintain the environment without pollution. The popularization and development of biomass particles are promoted by the technical progress of biomass particle fuel burners in recent years.

The Chinese utility model with the application number of 2017110268640 discloses a biomass solid fuel burner, which comprises a shell, the interior of the shell is sequentially divided into a combustion chamber, a ventilation chamber and an equipment chamber from top to bottom, the bottom of the combustion chamber is provided with an oil injection pipe, the input port of the oil injection pipe is connected with the output port of an external oil transfer pump through an oil pipe, the upper end of the combustion chamber is provided with a feeding mechanism, the interior of the ventilation chamber is provided with an annular air inlet pipe, and the annular air inlet pipe is uniformly provided with air inlets inside and is connected with the shell through a bracket, the bottom of the ventilation chamber is provided with a waste material port, the inside of the heat preservation chamber is provided with a spiral pipe, the spiral pipe is fixedly connected with the shell through a bracket, the biomass solid fuel burner improves the ignition rate and the combustion efficiency by improving the initial temperature of combustion-supporting gas and changing the air intake. The above patent has a drawback that the solid fuel is accumulated when it is burned in the combustion chamber, thereby causing insufficient combustion.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a biomass solid fuel burner which comprises a furnace body and a hearth positioned at the bottom of the furnace body, wherein one side of the hearth is connected with an air supply device, the other side of the hearth is connected with a material conveying device, the bottom of the hearth is provided with an ash discharge box, a bridge is arranged between the hearth and the ash discharge box, the bridge is provided with a leakage hole, the middle of the ash discharge box is provided with a support column, the top of the support column is provided with a first motor, the output end of the first motor penetrates through the bridge to extend upwards and is connected with a rotary column, the periphery of the rotary column is connected with a spiral stirring blade, the bottom of the rotary column is connected with a rotary rod, the bottoms of two sides of the rotary rod are connected with connecting rods, the bottom of the connecting rods is connected with scraping plates, and the bottoms of the scraping plates are close to the bridge.

The preferred, feeding device includes supporting seat, feed hopper and conveying pipeline, the supporting seat is connected with the conveying pipeline, the conveying pipeline is linked together with furnace, the inside of conveying pipeline is rotated and is equipped with the conveying pole, it pushes away material blade to be equipped with the screw thread on the conveying pole, the top of supporting seat is equipped with feed hopper, feed hopper's bottom is linked together with the conveying pipeline, feed hopper's internal connection has agitating unit, agitating unit includes the first dwang that vertical rotation set up, be equipped with a plurality of puddler on the first dwang, feed hopper's top is transversely rotated and is equipped with the second dwang, all be equipped with bevel gear on first dwang and the second dwang, first dwang and second dwang pass through bevel gear and mesh mutually, the second dwang all is connected with drive arrangement with the conveying pole.

The preferred, drive arrangement is including driving the seat, the inside of driving the seat is equipped with the second motor, the output of second motor is connected with defeated material pole, the top of driving the seat is equipped with the support frame, second dwang one side is rotated with the feed hopper inside wall and is connected, and the other side is to the outside top rotation of extending with the support frame and be connected, all be equipped with the belt pulley on defeated material pole and the second dwang, two be equipped with driving belt between the belt pulley.

Preferably, the air supply device comprises a fan and an air supply pipe, the fan is connected with the air supply pipe, and the air supply pipe is connected with the hearth.

Preferably, the bottom of the ash discharge box is provided with an ash discharge port, and the side of the ash discharge box is provided with a glass observation window.

The utility model has the advantages that:

1. can stir the solid fuel in the combustion chamber through rotary rod and spiral stirring leaf, avoid producing and pile up, simultaneously, the rotary rod still can drive the scraper blade and strike off the grate surface, prevents that large granule solid fuel from plugging up the small opening for impurity after the burning can't get into in the ash bin through the small opening.

2. The material conveying rod can drive the second dwang when rotating and rotate, and the second dwang passes through bevel gear and drives first dwang and rotate, and first dwang drives the puddler and rotates, so can avoid the solid to pile up in feed hopper, and then can't fall into the conveying pipeline from feed hopper's bottom.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view of the structure of the furnace of the present invention;

FIG. 3 is a view of the bottom nozzle structure of the hopper of the present invention;

in the figure: 1 furnace body, 2 hearths, 3 ash discharge boxes, 4 furnace bridges, 5 leakage holes, 6 support columns, 7 first motors, 8 rotary columns, 9 spiral stirring blades, 10 rotary rods, 11 connecting rods, 12 scraping plates, 13 support seats, 14 feeding hoppers, 15 conveying pipes, 16 conveying rods, 17 threaded pushing blades, 18 first rotary rods, 19 stirring rods, 20 second rotary rods, 21 bevel gears, 22 driving seats, 23 second motors, 24 support frames, 25 belt pulleys, 26 transmission belts, 27 fans, 28 air pipes, 29 ash discharge ports, 30 glass observation windows, 31 support rods and 32 support parts.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1-2, a biomass solid fuel combustor, including furnace body 1 and furnace 2 that is located furnace body 1 bottom, one side of furnace 2 is connected with air supply device, the opposite side of furnace 2 is connected with feeding device, the bottom of furnace 2 is equipped with ash discharging box 3, be equipped with grate 4 between furnace 2 and the ash discharging box 3, be equipped with small opening 5 on grate 4, ash discharging box 3's centre is equipped with support column 6, the top of support column 6 is equipped with first motor 7, the output of first motor 7 passes grate 4 and upwards extends and is connected with column spinner 8, the periphery of column spinner 8 is connected with spiral stirring leaf 9, the bottom of column spinner 8 is connected with rotary rod 10, the bottom on both sides of rotary rod 10 is connected with connecting rod 11, the bottom of connecting rod 11 is connected with scraper blade 12, the bottom of scraper blade 12 is pressed close to with grate 4 mutually. The air supply device comprises a fan 27 and an air supply pipe 28, the fan 27 is connected with the air supply pipe 28, and the air supply pipe 28 is connected with the hearth 2. The bottom of the ash discharging box 3 is provided with an ash discharging port 29, and the side of the ash discharging box 3 is provided with a glass observation window 30.

This embodiment is when using, feeding device sends solid fuel into furnace 2, then ignite the burning through built-in some firearm to solid fuel, fan 27 work drives gaseous inflow furnace 2 inside, it is rotatory to drive the swing arm through first motor 7 in the burning, rotary rod 10 spiral stirring leaf 9 can stir the solid fuel in the combustion chamber, avoid producing and pile up, simultaneously, rotary rod 10 still can drive scraper blade 12 and strike off 4 surfaces of grate, large granule solid fuel constantly takes place the friction with the grate under scraper blade 12's promotion, thereby by the grinding, prevent that large granule solid fuel from plugging up leak 5, make impurity after the burning can't get into in the ash bin 3 through leak 5. The glass observation window 30 can observe the accumulation of ash in the ash discharge box 3, and when the ash is accumulated in a large amount, the ash discharge port 29 is opened to discharge the ash.

Example 2

As shown in fig. 1 to 3, this embodiment has the same parts as embodiment 1, and is different therefrom in that: the feeding device comprises a supporting base 13, a feeding hopper 14 and a feeding pipe 15, the supporting base 13 is connected with the feeding pipe 15, the feeding pipe 15 is communicated with the hearth 2, a feeding rod 16 is rotatably arranged inside the feeding pipe 15, a thread pushing blade 17 is arranged on the feeding rod 16, the feeding hopper 14 is arranged at the top of the supporting base 13, the bottom of the feeding hopper 14 is communicated with the feeding pipe 15, a stirring device is connected inside the feeding hopper 14 and comprises a first rotating rod 18 which is vertically and rotatably arranged, as shown in figure 3, the bottom and the top of the feeding hopper 14 are respectively provided with a supporting rod 31, a supporting part 32 is arranged in the middle of the supporting rod 31, the top and the bottom of the first rotating rod 18 are rotatably arranged on the two supporting parts 32, the first rotating rod 18 is provided with a plurality of stirring rods 19, the top of the feeding hopper 14 is transversely and rotatably provided with a second rotating rod 20, and bevel gears 21 are respectively arranged on the first rotating rod 18 and the second rotating rod 20, the first rotating rod 18 and the second rotating rod 20 are meshed through a bevel gear 21, and the second rotating rod 20 and the material conveying rod 16 are both connected with a driving device. Drive arrangement includes drive seat 22, and drive seat 22's inside is equipped with second motor 23, and the output of second motor 23 is connected with defeated material pole 16, and drive seat 22's top is equipped with support frame 24, and second dwang 20 one side is rotated with the 14 inside walls of feed hopper and is connected, and the other side is to the outside top rotation of extending and support frame 24 to be connected, all is equipped with belt pulley 25 on defeated material pole 16 and the second dwang 20, is equipped with driving belt 26 between two belt pulleys 25.

When carrying fixed fuel, drive the conveying pole 16 through second motor 23 and rotate, solid fuel gets into conveying pipeline 15 from feed hopper 14 in, then push away the material blade through the spiral on the conveying pole 16 and promote and get into furnace 2, simultaneously, conveying pole 16 can drive second dwang 20 when pivoted and rotate, second dwang 20 drives first dwang 18 through bevel gear 21 and rotates, first dwang 18 drives puddler 19 and rotates, so can avoid the solid to pile up in feed hopper 14, and then can't fall into conveying pipeline 15 from feed hopper 14's bottom.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A biomass solid fuel burner characterized by: comprises a furnace body (1) and a hearth (2) positioned at the bottom of the furnace body (1), one side of the hearth (2) is connected with an air supply device, the other side of the hearth (2) is connected with a material conveying device, the bottom of the hearth (2) is provided with an ash discharging box (3), a furnace bridge (4) is arranged between the hearth (2) and the ash discharging box (3), a leak hole (5) is arranged on the furnace bridge (4), a support column (6) is arranged in the middle of the ash discharging box (3), a first motor (7) is arranged at the top of the support column (6), the output end of the first motor (7) penetrates through the furnace bridge (4) to extend upwards and is connected with a rotary column (8), the periphery of the rotary column (8) is connected with spiral stirring blades (9), the bottom of the rotary column (8) is connected with a rotary rod (10), the bottoms of two sides of the rotary rod (10) are connected with a connecting rod (11), the bottom of connecting rod (11) is connected with scraper blade (12), the bottom and the grate (4) of scraper blade (12) are close to mutually.

2. The biomass solid fuel burner of claim 1, wherein: the feeding device comprises a supporting seat (13), a feeding funnel (14) and a feeding pipe (15), the supporting seat (13) is connected with the feeding pipe (15), the feeding pipe (15) is communicated with a hearth (2), the inside of the feeding pipe (15) is rotated to be provided with a feeding rod (16), the feeding rod (16) is provided with a thread pushing blade (17), the top of the supporting seat (13) is provided with the feeding funnel (14), the bottom of the feeding funnel (14) is communicated with the feeding pipe (15), the inside of the feeding funnel (14) is connected with a stirring device, the stirring device comprises a first rotating rod (18) which is vertically rotated, the first rotating rod (18) is provided with a plurality of stirring rods (19), the top of the feeding funnel (14) is transversely rotated to be provided with a second rotating rod (20), and bevel gears (21) are arranged on the first rotating rod (18) and the second rotating rod (20), first dwang (18) and second dwang (20) pass through bevel gear (21) and mesh mutually, second dwang (20) all are connected with drive arrangement with defeated material pole (16).

3. The biomass solid fuel burner of claim 2, wherein: drive arrangement is including driving seat (22), the inside of driving seat (22) is equipped with second motor (23), the output of second motor (23) is connected with material conveying pole (16), the top of driving seat (22) is equipped with support frame (24), second dwang (20) one side is connected with feed hopper (14) inside wall rotation, and another side is to the outside top rotation of extending and support frame (24) being connected, all be equipped with belt pulley (25) on material conveying pole (16) and second dwang (20), two be equipped with drive belt (26) between belt pulley (25).

4. The biomass solid fuel burner of claim 3, wherein: the air supply device comprises a fan (27) and an air supply pipe (28), the fan (27) is connected with the air supply pipe (28), and the air supply pipe (28) is connected with the hearth (2).

5. The biomass solid fuel burner of claim 4, wherein: the bottom of ash discharge box (3) is equipped with ash discharge mouth (29), the side of ash discharge box (3) is equipped with glass observation window (30).