CN112393226A

CN112393226A - Biomass burner

Info

Publication number: CN112393226A
Application number: CN202011196377.0A
Authority: CN
Inventors: 杨健; 胡海燕; 冯乐
Original assignee: Shaanxi Mailun Machinery Equipment Co ltd
Current assignee: Shaanxi Mailun Machinery Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-23

Abstract

The invention discloses a biomass burner which comprises a combustion chamber, wherein a feeding mechanism is connected onto the side wall of the combustion chamber, a fan b is arranged on the side wall of the combustion chamber and below the feeding mechanism, a slag removing mechanism is arranged in the middle of the bottom of the combustion chamber, a bracket is arranged in the combustion chamber and is positioned below an upper feeding port on the side wall of the combustion chamber, a cover plate is arranged at the top of the combustion chamber, and an air exhausting and dust removing mechanism is arranged above the cover plate.

Description

Biomass burner

Technical Field

The invention belongs to the technical field of biomass combustion equipment, and particularly relates to a biomass burner.

Background

The biomass fuel refers to a biomass material which is burnt as a fuel, and generally mainly comprises agricultural and forestry wastes (such as straws, sawdust, bagasse, rice chaff and the like). Due to the lack of coal resources, biomass energy is gradually attracting attention, and crop straws are used as fuel for cooking and heating in rural areas. However, in the current national policy and environmental protection standard, the direct combustion biomass belongs to a high pollution fuel, and can only be used in rural areas, and is not allowed to be used in cities, because insufficient combustion air causes insufficient combustion in the combustion process, ash floc and black smoke are emitted, the environment can be polluted, and more ash slag can be generated after the biomass is combusted, and the biomass is not easy to clean, so that a combustor which can clean the ash floc, easily clean the ash slag and has sufficient oxygen intake is needed.

Disclosure of Invention

The invention aims to provide a biomass burner, which solves the problems that the biomass burner in the prior art cannot remove ash flocs and ash residues are not easy to remove.

The technical scheme includes that the device comprises a combustion chamber, a feeding mechanism is connected to the side wall of the combustion chamber, a fan b is arranged on the side wall of the combustion chamber and below the feeding mechanism, a slag removing mechanism is arranged at the bottom of the combustion chamber, a bracket is arranged in the combustion chamber and located below an upper feeding port on the side wall of the combustion chamber, a cover plate is arranged at the top of the combustion chamber, and an air exhausting and dust removing mechanism is arranged above the cover plate.

The invention is also characterized in that:

the feeding mechanism comprises a feeding pipe connected to the side wall of the combustion chamber, a spiral feeder is sleeved inside the feeding pipe, one end, extending out of the feeding pipe, of the spiral feeder is connected with a variable speed motor, a feeding hopper is arranged on the feeding pipe, a feeding adjusting device is arranged between the feeding hopper and the feeding pipe, and a fan a is arranged on the feeding pipe between the feeding hopper and the variable speed motor.

The exhaust dust removal mechanism comprises a smoke hood arranged above the cover plate, the smoke hood is connected with one end of a smoke exhaust pipe, the other end of the smoke exhaust pipe is connected with a dust filtering device, and a fan c is arranged at the joint of the smoke hood and the smoke exhaust pipe.

The slag removing mechanism comprises a pair of guide rails arranged on the lower surface of the combustion chamber, a sliding block is arranged between the pair of guide rails, a supporting rod is connected onto the sliding block, the supporting rod extends into the combustion chamber through a groove formed in the bottom of the combustion chamber, a scraping plate is connected to the end, located inside the combustion chamber, of the supporting rod, and the side wall of the sliding block is connected with a motor through a lead screw.

The lower end of the side wall of the combustion chamber is provided with a door, a handle is arranged on the door, and the door and the scraper are arranged in parallel.

A plurality of smoke exhaust holes are uniformly distributed in the middle of the cover plate.

The bracket comprises a rectangular bottom plate, two parallel ends of the bottom plate are respectively connected with a side plate a and a side plate b, and the included angles formed by the side plates a and b and the bottom plate are 135-150 degrees.

A plurality of air inlet holes are uniformly distributed on the bottom plate, the side plate a and the side plate b.

The invention has the beneficial effects that:

(1) the biomass burner provided by the invention is provided with the air exhaust and dust removal mechanism, can filter ash flocs generated in the combustion process, prevents harmful substances such as the ash flocs from being emitted into air, and has the characteristic of environmental protection.

(2) According to the biomass burner, the plurality of smoke exhaust holes are formed in the middle of the cover plate, smoke can be prevented from flowing backwards into the feed hopper through the feed pipe, and air circulation is fully guaranteed.

(3) The biomass burner is provided with the slag removing mechanism, so that ash falling to the bottom of the combustion chamber can be removed in time, the operation is simple, and the efficiency is high.

(4) According to the biomass burner, the included angle between the side plate of the bracket and the bottom plate is 135-150 degrees, biomass can be concentrated at the bottom for burning, the air inlet area is increased, and the biomass is fully burnt.

Drawings

FIG. 1 is a schematic structural view of a biomass burner of the present invention;

FIG. 2 is a schematic view of the structure of the inside of the combustion chamber of a biomass burner of the present invention;

FIG. 3 is a schematic view of the cover plate of a biomass burner according to the invention;

fig. 4 is a schematic structural view of a bracket of a biomass burner of the present invention.

In the figure, 1, a combustion chamber, 2, a cover plate, 3, a bracket, 4, a feeding pipe, 5, a spiral feeder, 6, a variable speed motor, 7, a feeding hopper, 8, a feeding adjusting mechanism, 9, a fan a, 10, a fan b, 11, a guide rail, 12, a sliding block, 13, a support rod, 14, a scraping plate, 15, a motor, 16, a door, 17, a dust hood, 18, a fan c, 19, a smoke exhaust pipe, 20, a dust filtering device and 21, a smoke exhaust hole are arranged;

3-1, side plate a, 3-2, side plate b, 3-3, bottom plate, and 3-4 air inlet holes.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention relates to a biomass burner, which comprises a combustion chamber 1, wherein a feeding mechanism is connected to the side wall of the combustion chamber 1, a fan b10 is arranged on the side wall of the combustion chamber 1 and below the feeding mechanism, a slag removing mechanism is arranged in the middle of the bottom of the combustion chamber 1, a bracket 3 is arranged in the combustion chamber 1, the bracket 3 is positioned below an upper feeding port on the side wall of the combustion chamber 1, a cover plate 2 is arranged at the top of the combustion chamber 1, the combustion chamber 1 and the cover plate 2 are detachably connected, and an air exhaust and dust removal mechanism is arranged above the cover plate 2, so that sufficient oxygen supply can be ensured, ash floc generated in the combustion process can be filtered, and pollution is reduced. Still including connecting the ash storage chamber 14 in combustion chamber 1 bottom, be provided with door 15 on the lateral wall of ash storage chamber 14, the end that opens and shuts of door 15 is provided with handle 16, still including setting up the ash plate 12 of dialling in combustion chamber 1 bottom, dial and be connected with handle 13 on the ash plate 12, handle 13 stretches out combustion chamber 1, the handle carries out back-and-forth movement and horizontal hunting in combustion chamber 1, can in time clear up the lime-ash that falls into combustion chamber 1 bottom to ash storage chamber 14, avoid plugging up bracket 3, and the lime-ash falls into ash storage chamber 14 and stores, can reduce the number of times of clearing up the lime-ash.

The feed mechanism is including connecting inlet pipe 4 on 1 lateral wall of combustion chamber, and spiral feeder 5 has been cup jointed to inlet pipe 4 inside, and the one end that spiral feeder 5 stretches out inlet pipe 4 is connected with variable speed motor 6, is provided with feeder hopper 7 on the inlet pipe 4, is provided with feeding adjusting device 8 between feeder hopper 7 and the inlet pipe 4, is provided with fan a9 on the inlet pipe 4 between feeder hopper 7 and the variable speed motor 6. Can provide the air inlet for combustion chamber 1, guarantee sufficient oxygen supply volume, make living beings fully burn to can adjust feed rate and feeding volume according to the burning condition, avoid living beings to block up in combustion chamber 1.

The exhaust dust removing mechanism comprises a smoke hood 17 arranged above the cover plate 2, the smoke hood 17 is connected with one end of a smoke exhaust pipe 19, the other end of the smoke exhaust pipe 19 is connected with a dust filtering device 20, and a fan c18 is arranged at the joint of the smoke hood 17 and the smoke exhaust pipe 19. The smoke dust exhausted through the cover plate 2 can be sucked into the smoke exhaust pipe 19 and then filtered and exhausted through the dust filtering device 20, and pollution is reduced.

As shown in fig. 2, the slag removing mechanism comprises a pair of guide rails 11 arranged on the lower surface of the combustion chamber 1, a sliding block 12 is arranged between the pair of guide rails 11, a supporting rod 13 is connected onto the sliding block, the supporting rod 13 extends into the combustion chamber 1 through a groove arranged at the bottom of the combustion chamber 1, a scraping plate 14 is connected to the end part of the supporting rod 13 positioned in the combustion chamber 1, a motor 15 is connected to the side wall of the sliding block 12 through a screw rod, a door 16 is arranged at the lower end of the side wall of the combustion chamber 1, a handle is arranged on the door 16, and the door 16 and the scraping.

As shown in FIG. 3, a plurality of smoke exhaust holes 21 are uniformly distributed in the middle of the cover plate 2. Can avoid the flue gas to flow backward feeder hopper 7 through inlet pipe 4 to fully guarantee the circulation of air.

As shown in figure 4, the bracket 3 comprises a rectangular bottom plate 3-3, two parallel ends of the bottom plate 3-3 are respectively connected with a side plate a3-1 and a side plate b3-2, an included angle formed by the side plate a3-1 and the side plate b3-2 and the bottom plate 3-3 is 135 degrees to 150 degrees, and a plurality of air inlet holes 3-4 are uniformly distributed on the bottom plate 3-3, the side plate a3-1 and the side plate b 3-2. Can make living beings concentrate on the bottom of bracket 3 and burn to increase the air inlet area, make the burning of living beings abundant.

The specific working process is as follows: after ignition, the fan c18 and the dust filtering device 20 are started to enable the air exhaust and dust removal mechanism to work, the variable speed motor 6 is started again to drive the screw feeder 5 to rotate, biomass fuel is added into the feed hopper 7, the feed adjusting device 8 is adjusted to control the feed amount, the biomass fuel enters the bottom plate 3-3 of the bracket 3 in the combustion chamber 1 to burn, the fan b10 is opened to blow air, when the oxygen amount is insufficient, the fan a9 is started to blow air, burned ash falls into the bottom of the combustion chamber 1, the screw rod is driven by the starting motor 15 to drive the scraper 14 to move, the ash is pushed to the position near the door 16 from one end far away from the door 16, the door 16 is opened to remove the ash, and after the use, the air exhaust and dust removal mechanism, the variable speed motor 6, the fan b10 and the fan a 9.

According to the biomass burner, ash falling on the bottom of the combustion chamber can be cleaned in the ash storage chamber in time, and the ash cleaning times are reduced; the ash floc generated in the combustion process can be filtered, so that harmful substances such as the ash floc and the like are prevented from being emitted into the air, and the environmental pollution is reduced; can provide sufficient oxygen quantity, make biomass fuel fully burn to this combustor simple structure, easily operation.

Claims

1. The utility model provides a biomass burner, its characterized in that, includes combustion chamber (1), be connected with feed mechanism on the lateral wall of combustion chamber (1), just be provided with fan b (10) in feed mechanism's below on the lateral wall of combustion chamber (1), the bottom of combustion chamber (1) is provided with scarfing cinder mechanism, the inside of combustion chamber (1) is provided with bracket (3), bracket (3) are located the below of feed inlet on combustion chamber (1) lateral wall, the top of combustion chamber (1) is provided with apron (2), the top of apron (2) is provided with the dust removal mechanism of airing exhaust.

2. The biomass burner according to claim 1, wherein the feeding mechanism comprises a feeding pipe (4) connected to the side wall of the combustion chamber (1), a screw feeder (5) is sleeved inside the feeding pipe (4), one end of the screw feeder (5) extending out of the feeding pipe (4) is connected with a variable speed motor (6), a feeding hopper (7) is arranged on the feeding pipe (4), a feeding adjusting device (8) is arranged between the feeding hopper (7) and the feeding pipe (4), and a fan a (9) is arranged on the feeding pipe (4) between the feeding hopper (7) and the variable speed motor (6).

3. The biomass burner according to claim 1, wherein the exhaust dust removal mechanism comprises a smoke hood (17) arranged above the cover plate (2), the smoke hood (17) is connected with one end of a smoke exhaust pipe (19), the other end of the smoke exhaust pipe (19) is connected with a dust filtering device (20), and a fan c (18) is arranged at the joint of the smoke hood (17) and the smoke exhaust pipe (19).

4. The biomass burner according to claim 1, wherein the slag removing mechanism comprises a pair of guide rails (11) arranged on the lower surface of the combustion chamber (1), a slide block (12) is arranged between the pair of guide rails (11), a support rod (13) is connected onto the slide block, the support rod (13) extends into the combustion chamber (1) through a groove arranged on the bottom of the combustion chamber (1), a scraper (14) is connected to the end part of the support rod (13) positioned in the combustion chamber (1), and a motor (15) is connected to the side wall of the slide block (12) through a screw rod.

5. A biomass burner according to claim 4, characterized in that the lower end of the side wall of the combustion chamber (1) is provided with a door (16), the door (16) is provided with a handle, and the door (16) is arranged in parallel with the scraper (14).

6. The biomass burner according to claim 1, characterized in that a plurality of smoke exhaust holes (21) are uniformly distributed in the middle position of the cover plate (2).

7. The biomass burner according to claim 1, wherein the bracket (3) comprises a rectangular bottom plate (3-3), the two parallel ends of the bottom plate (3-3) are respectively connected with a side plate a (3-1) and a side plate b (3-2), and the included angles formed by the side plate a (3-1) and the side plate b (3-2) and the bottom plate (3-3) are 135-150 degrees.

8. The biomass burner according to claim 7, wherein a plurality of air inlet holes (3-4) are uniformly distributed on the bottom plate (3-3), the side plate a (3-1) and the side plate b (3-2).