CN111550767A

CN111550767A - Straw biomass combustion device

Info

Publication number: CN111550767A
Application number: CN202010408677.4A
Authority: CN
Inventors: 胡立宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-18

Abstract

The invention discloses a straw biomass combustion device which comprises a device body, a flue and a feeding hopper, wherein an ash falling net is arranged on the inner side wall of the device body, a first motor is arranged at the lower end of the device body, the flue is arranged on the right side of the device body, the flue is communicated with a treatment barrel, the lower end of the feeding hopper is communicated with a second conveying shell, a crushing roller is rotatably connected to the inner side wall of the feeding hopper, the rear end of the crushing roller is connected with a fourth rotating shaft, the fourth rotating shaft penetrates through the inner rear side wall of the feeding hopper, the fourth rotating shaft is meshed and connected through a first gear and a second gear, the first gear is arranged on the fourth rotating shaft on the left side, and the fourth rotating shaft on the right side is connected with the fourth motor. This straw biomass combustion device drives the puddler and stirs straw biomass fuel under the effect of first motor for straw biomass fuel burns fully, not only plays combustion-supporting effect, and avoids the ash content that produces to condense, helps the ash content to drop through the ash net that falls.

Description

Straw biomass combustion device

Technical Field

The invention relates to the technical field of biomass correlation, in particular to a straw biomass combustion device.

Background

Straw biomass fuel is renewable energy's important constitution, obtains wide application, nevertheless because straw biomass fuel becomes graininess or cubic as the fuel burning, in the blowing in-process of burning, has the insufficient condition of burning, and the combustion effect is poor, and straw biomass fuel contains the ash content great, has comparatively general ash content to condense in the combustion process, reduces combustion efficiency by a wide margin.

Disclosure of Invention

The invention aims to provide a straw biomass combustion device, which aims to solve the problems that in the background technology, due to the fact that straw biomass fuel is granular or blocky and is used as fuel for combustion, in the combustion and emptying process, the combustion is insufficient, the combustion effect is poor, the straw biomass fuel contains large ash content, the ash content is more common in the combustion process, and the combustion efficiency is greatly reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a straw biomass combustion device comprises a device body, a flue and a feeding hopper, wherein an ash falling net is arranged on the inner side wall of the device body, a first motor is arranged at the lower end of the device body and connected with a first rotating shaft, the first rotating shaft is connected with a bevel gear set, the bevel gear set is connected with a transmission shaft, a stirring rod is arranged at the upper end of the transmission shaft and penetrates through the lower end face of the device body, the ash falling net is provided with a stirring rod, a first conveying shell is arranged below the device body, a second motor is arranged on the front side of the first conveying shell and connected with a second rotating shaft, the second rotating shaft penetrates through the front side wall of the first conveying shell and is connected with a first auger, the first auger is rotatably connected to the inner side wall of the first conveying shell, the flue is arranged on the right side of the device body and communicated with a treatment barrel, an air blower and a second conveying shell are arranged on the left side of the device body, and the second carries the casing to set up the top at the air-blower, the second carries the rotation of casing inside wall to be connected with the second auger, and the second auger runs through the second and carries the interior left side wall of casing, the second auger is connected through hold-in range and third pivot, and the third pivot is connected with the third motor, the casing is carried with the second to the feeding hopper lower extreme, and the inside wall rotation of feeding hopper is connected with the crushing roller, the crushing roller rear end is connected with the fourth pivot, and the fourth pivot runs through the interior back wall of feeding hopper, connect through first gear and second gear meshing between the fourth pivot, and first gear setting is in left fourth pivot, is provided with the second gear in the fourth pivot on right side, right side simultaneously the fourth pivot is connected with the fourth motor, and the fourth motor setting is at the rear side of feeding hopper.

Preferably, the device body comprises an insulating layer, and the insulating layer is embedded in the inner side wall of the device body.

Preferably, the flue comprises a filter screen layer, an external connection pipe and a baffle, the filter screen layer and the external connection pipe are arranged in the flue, the filter screen layer is arranged on the left side of the external connection pipe, and the baffle is arranged on the inner side wall of the external connection pipe.

Preferably, the treatment cylinder comprises a denitration agent spray pipe and a demister, the denitration agent spray pipe and the demister are arranged in the treatment cylinder, and the denitration agent spray pipe is arranged below the demister.

Preferably, the blower comprises a main connecting pipe, a first branch pipe and a second branch pipe, the main connecting pipe is arranged on the blower, and meanwhile the main connecting pipe is communicated with the first branch pipe and the second branch pipe.

Compared with the prior art, the invention has the beneficial effects that: the straw biomass combustion device is provided with a straw biomass combustion device,

(1) the straw biomass fuel crushing device is provided with a crushing roller, a fourth rotating shaft, a first gear, a second gear, a fourth motor, a second auger, a third rotating shaft and a third motor, the crushing roller can be driven by the fourth motor to rotate to crush the straw biomass fuel, the straw biomass fuel is favorably and fully combusted, and meanwhile, the feeding is gradually carried out under the action of the third motor driving the second auger without manual filling;

(2) the arranged air blower blows air into the device body through the first branch pipe and the second branch pipe respectively to facilitate combustion supporting of straw biomass fuel in the device body, so that the straw biomass fuel is combusted more fully, and in addition, the arranged heat preservation layer can preserve heat of the device body, so that heat loss in the device body is reduced;

(3) the straw biomass fuel combustion device is provided with the first motor, the first rotating shaft, the bevel gear set, the transmission shaft and the stirring rod, and the stirring rod is driven to stir the straw biomass fuel under the action of the first motor, so that the straw biomass fuel is fully combusted, a combustion-supporting effect is achieved, generated ash is prevented from being condensed, and the ash is facilitated to fall through an ash falling net;

(4) the device is provided with the second motor, the second rotating shaft and the first auger, after the straw biomass fuel in the device is burnt, ash content falls below the device to be concentrated through the ash falling net, and the concentrated ash content is discharged in a rotating mode through the first conveying shell under the effect that the second motor drives the first auger, so that automatic ash discharge is achieved, and the working efficiency is improved;

(5) be provided with the filter screen layer, take over outward, the separation blade, the denitrifier spray tube, the filter screen layer can be filtered the granule impurity that contains in the flue gas of production, take over into water outward, absorb the heat in the flue gas, reduce thermal waste, the separation blade extension water is at the flow time of external intraductal for it fully absorbs the heat, sprays the oxynitrides in the denitrifier gets rid of the flue gas under the effect of denitrifier spray tube in addition, reduces the pollution of flue gas to the environment.

Drawings

FIG. 1 is a schematic cross-sectional front view of the device of the present invention;

FIG. 2 is a schematic diagram of a right side cross-sectional view of a first conveying housing according to the present invention;

FIG. 3 is a schematic top sectional view of a feeding hopper according to the present invention;

FIG. 4 is a schematic view of the internal structure of a second conveying housing according to the present invention;

FIG. 5 is a schematic top view of a cross-sectional structure of a flue according to the present invention;

FIG. 6 is a schematic view of the internal structure of the treatment canister of the present invention.

In the figure: 1. the device comprises a device body, 101, a heat insulation layer, 2, an ash falling net, 3, a first motor, 4, a first rotating shaft, 5, a bevel gear set, 6, a transmission shaft, 7, a stirring rod, 8, a first conveying shell, 9, a second motor, 10, a second rotating shaft, 11, a first auger, 12, a flue, 1201, a filter screen layer, 1202, an external connecting pipe, 1203, a baffle, 13, a treatment barrel, 1301, a denitrifier spraying pipe, 1302, a demister, 14, a blower, 1401, a main connecting pipe, 1402, a first branch pipe, 1403, a second branch pipe, 15, a second conveying shell, 16, a second auger, 17, a synchronous belt, 18, a third rotating shaft, 19, a third motor, 20, a feeding hopper, 21, a crushing roller, 22, a fourth rotating shaft, 23, a first gear, 24, a second gear, 25 and a fourth motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a straw biomass combustion device is disclosed, as shown in figures 1 and 2, an ash falling net 2 is arranged on the inner side wall of a device body 1, a first motor 3 is arranged at the lower end of the device body 1, the device body 1 comprises a heat preservation layer 101, the heat preservation layer 101 is embedded in the inner side wall of the device body 1, the heat preservation layer 101 can preserve heat of the device body 1, heat loss in the device body 1 is reduced, the first motor 3, a first rotating shaft 4, a bevel gear group 5, a transmission shaft 6 and a stirring rod 7 form a rotating mechanism, the first motor 3 drives the stirring rod 7 to rotate through the first rotating shaft 4, the bevel gear group 5 and the transmission shaft 6, straw biomass fuel is stirred, the straw biomass fuel is fully combusted, combustion supporting effect is achieved, generated ash content is prevented from being condensed, ash content is helped to drop through the ash falling net 2, the first motor 3 is connected with the first rotating shaft 4, the first rotating shaft 4 is connected with the bevel gear set 5, the bevel gear set 5 is connected with the transmission shaft 6, the upper end of the transmission shaft 6 penetrates through the lower end face of the device body 1 and the ash falling net 2 to be provided with a stirring rod 7, a first conveying shell 8 is arranged below the device body 1, the front side of the first conveying shell 8 is provided with a second motor 9, the second motor 9, a second rotating shaft 10 and a first packing auger 11 form a rotating mechanism, the second motor 9 drives the first packing auger 11 through the second rotating shaft 10 to discharge ash in a rotating mode, the second motor 9 is connected with the second rotating shaft 10, the second rotating shaft 10 penetrates through the front side wall of the first conveying shell 8 to be connected with the first packing auger 11, and meanwhile, the first packing auger 11 is rotatably connected to the inner side wall of the first conveying shell 8.

As shown in fig. 1, 4, 5 and 6, a flue 12 is arranged at the right side of the device body 1, the flue 12 is communicated with a treatment cylinder 13, the flue 12 comprises a filter screen layer 1201, an external connection pipe 1202 and baffle plates 1203, the filter screen layer 1201 and the external connection pipe 1202 are arranged in the flue 12, the filter screen layer 1201 is arranged at the left side of the external connection pipe 1202, the baffle plates 1203 are arranged on the inner side wall of the external connection pipe 1202, the filter screen layer 1201 can filter particles in flue gas, the external connection pipe 1202 can be communicated with water to absorb heat in flue gas and reduce heat waste, the baffle plates 1203 prolong the flow time of water in the external connection pipe 1202 to fully absorb heat, the treatment cylinder 13 comprises a denitration agent spray pipe 1301 and a demister 1302, the denitration agent spray pipe 1301 and the demister 1302 are arranged in the treatment cylinder 13, the denitration agent spray pipe 1301 is arranged below the demister 1302, a denitration agent is sprayed under the effect of the denitration agent spray pipe 1301 to remove nitrogen oxides in the flue gas, the pollution of flue gas to the environment is reduced, the demister 1302 can absorb fog particles in the flue gas and reduce the corrosion to the treatment cylinder 13, the left side of the device body 1 is provided with a blower 14 and a second conveying shell 15, the second conveying shell 15 is arranged above the blower 14, the blower 14 comprises a main connecting pipe 1401, a first branch pipe 1402 and a second branch pipe 1403, the blower 14 is provided with the main connecting pipe 1401, the main connecting pipe 1401 is communicated with the first branch pipe 1402 and the second branch pipe 1403, the first branch pipe 1402 is communicated with the device body 1 and is arranged below the ash falling net 2, the second branch pipe 1403 is communicated with the second conveying shell 15, the connecting part can be provided with a partition net, the air is blown and ventilated through the first branch pipe 1402 and the second branch pipe 1403 to achieve a combustion supporting effect on straw biomass fuel, the inner side wall of the second conveying shell 15 is rotatably connected with a second auger 16, and the second auger 16 penetrates through the inner left side wall of the second conveying shell 15, the second auger 16, the synchronous belt 17, the third rotating shaft 18 and the third motor 19 form a rotating mechanism, the third motor 19 drives the second auger 16 to rotate through the third rotating shaft 18 and the synchronous belt 17 to gradually feed materials without manual filling, the second auger 16 is connected with the third rotating shaft 18 through the synchronous belt 17, and the third rotating shaft 18 is connected with the third motor 19.

As shown in fig. 1 and 3, the lower end of the feeding hopper 20 is communicated with the second conveying housing 15, the inner side wall of the feeding hopper 20 is rotatably connected with a crushing roller 21, the crushing roller 21, a fourth rotating shaft 22, a first gear 23, a second gear 24 and a fourth motor 25 form a rotating mechanism, the crushing roller 21 can crush the straw biomass fuel under the action of the fourth motor 25, which is helpful for the straw biomass fuel to be fully combusted, the rear end of the crushing roller 21 is connected with the fourth rotating shaft 22, the fourth rotating shaft 22 penetrates through the inner rear side wall of the feeding hopper 20, the fourth rotating shaft 22 is meshed and connected through a first gear 23 and a second gear 24, the first gear 23 is arranged on the fourth rotating shaft 22 on the left side, meanwhile, a second gear 24 is arranged on the right fourth rotating shaft 22, the right fourth rotating shaft 22 is connected with a fourth motor 25, and the fourth motor 25 is arranged at the rear side of the feeding hopper 20.

The working principle is as follows: when the straw biomass combustion device is used, a power supply is switched on, straw biomass fuel is added into the feeding hopper 20, the fourth motor 25 drives the fourth rotating shaft 22 on the right side to rotate, the fourth rotating shaft 22 on the right side drives the first gear 23 to rotate through the second gear 24, the first gear 23 drives the fourth rotating shaft 22 on the left side to rotate, the fourth rotating shaft 22 drives the crushing roller 21 to crush the straw biomass fuel, the third motor 19 drives the third rotating shaft 18 to rotate, the third rotating shaft 18 drives the second auger 16 to rotate through the synchronous belt 17, the crushed straw biomass fuel is added into the device body 1 to be combusted, the air blower 14 blows air into the device body 1 through the first branch pipe 1402 and the second branch pipe 1403 to achieve a combustion-supporting effect on the straw biomass fuel, the first motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 drives the transmission shaft 6 to rotate through the bevel gear set 5, the transmission shaft 6 drives the stirring rod 7 to rotate to stir the straw biomass fuel, so that the straw biomass fuel is fully combusted, a combustion-supporting effect is achieved, generated ash is prevented from being condensed, the ash is favorably dropped through the ash falling net 2, the heat preservation layer 101 is used for preserving heat of the device body 1, heat loss inside the device body 1 is reduced, the filter screen layer 1201 can be used for filtering particle impurities in the flue gas, the external pipe 1202 is communicated with an external water source, water input by the external pipe 1202 can absorb heat contained in the discharged flue gas, heat waste is reduced, the baffle plate 1203 prolongs the flowing time of the water in the external pipe 1202 to enable the water to fully absorb the heat, the denitration agent spray pipe 1301 is connected with an external denitration agent supply device and can be sprayed to remove nitrogen oxides in the flue gas, the demister 1302 can absorb fog particles in the flue gas, the second motor 9 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the first auger 11 to rotate to discharge the ash entering the first conveying shell 8 in a, those not described in detail in this specification are within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a straw biomass combustion device, includes the device body (1), flue (12) and feeding hopper (20), its characterized in that: the device is characterized in that an ash falling net (2) is arranged on the inner side wall of the device body (1), a first motor (3) is arranged at the lower end of the device body (1), the first motor (3) is connected with a first rotating shaft (4), the first rotating shaft (4) is connected with a bevel gear set (5), the bevel gear set (5) is connected with a transmission shaft (6), a stirring rod (7) is arranged at the upper end of the transmission shaft (6) in a penetrating mode through the lower end face of the device body (1) and the ash falling net (2), a first conveying shell (8) is arranged below the device body (1), a second motor (9) is arranged on the front side of the first conveying shell (8), the second motor (9) is connected with a second rotating shaft (10), the second rotating shaft (10) penetrates through the front side wall of the first conveying shell (8) and is connected with a first auger (11), and the first auger (11) is rotatably connected to the inner side wall of the first conveying shell (8), the flue (12) is arranged on the right side of the device body (1), the flue (12) is communicated with the treatment cylinder (13), the left side of the device body (1) is provided with an air blower (14) and a second conveying shell (15), the second conveying shell (15) is arranged above the air blower (14), the inner side wall of the second conveying shell (15) is rotatably connected with a second packing auger (16), the second packing auger (16) penetrates through the inner left side wall of the second conveying shell (15), the second packing auger (16) is connected with a third rotating shaft (18) through a synchronous belt (17), the third rotating shaft (18) is connected with a third motor (19), the lower end of the feeding hopper (20) is communicated with the second conveying shell (15), the inner side wall of the feeding hopper (20) is rotatably connected with a crushing roller (21), and the rear end of the crushing roller (21) is connected with a fourth rotating shaft (22), and the fourth rotating shaft (22) penetrates through the inner rear side wall of the feeding hopper (20), the fourth rotating shaft (22) is meshed and connected with the second gear (24) through the first gear (23), the first gear (23) is arranged on the left fourth rotating shaft (22), the second gear (24) is arranged on the right fourth rotating shaft (22), the right fourth rotating shaft (22) is connected with the fourth motor (25), and the fourth motor (25) is arranged on the rear side of the feeding hopper (20).

2. The straw biomass combustion device of claim 1, wherein: the device body (1) comprises a heat insulation layer (101), and the heat insulation layer (101) is embedded in the inner side wall of the device body (1).

3. The straw biomass combustion device of claim 1, wherein: the flue (12) comprises a filter screen layer (1201), an external connection pipe (1202) and a baffle plate (1203), the filter screen layer (1201) and the external connection pipe (1202) are arranged in the flue (12), the filter screen layer (1201) is arranged on the left side of the external connection pipe (1202), and the baffle plate (1203) is arranged on the inner side wall of the external connection pipe (1202).

4. The straw biomass combustion device of claim 1, wherein: the treatment cylinder (13) comprises a denitration agent spray pipe (1301) and a demister (1302), the denitration agent spray pipe (1301) and the demister (1302) are arranged in the treatment cylinder (13), and the denitration agent spray pipe (1301) is arranged below the demister (1302).

5. The straw biomass combustion device of claim 1, wherein: the blower (14) comprises a main connecting pipe (1401), a first branch pipe (1402) and a second branch pipe (1403), the main connecting pipe (1401) is arranged on the blower (14), and meanwhile the main connecting pipe (1401) is communicated with the first branch pipe (1402) and the second branch pipe (1403).