CN210035468U

CN210035468U - Biomass combustion equipment capable of rotating and uniformly distributing materials

Info

Publication number: CN210035468U
Application number: CN201920846537.8U
Authority: CN
Inventors: 黄迁建
Original assignee: Fujian Dry Energy Industrial Equipment Technology Co Ltd
Current assignee: Fujian Dry Energy Industrial Equipment Technology Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-02-07
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a rotatory biomass combustion equipment of even cloth, including spinning transmission and burner, burner is equipped with combustion chamber, furnace gate, hood grate, two-section burning transition flue, first plenum, two-section burning transition flue one end intercommunication the combustion chamber, and the other end of two-section burning transition flue is equipped with the high temperature flue gas outlet, the opening setting in combustion chamber upper portion, spinning transmission includes rotatory cloth dish, rotating electrical machines, spills the material pipe, material feeding unit includes hopper, feeding electrical machines, spiral play feed cylinder and fixed bolster; the utility model discloses mainly be through control material feeding unit pay-off volume and utilize rotatory cloth dish to change the drop point of fuel on the hood grate, make the fuel cloth even, rotatory cloth dish accessible fuel volume adjusts the rotational speed simultaneously, and the fuel of small granule is rotatory suspension burning in the stove, and the fuel of big granule falls into the first boiling burning of hood grate to improve the combustion thermal efficiency of fuel.

Description

Biomass combustion equipment capable of rotating and uniformly distributing materials

Technical Field

The utility model relates to a rotatory biomass combustion equipment of even cloth belongs to and fires burning furnace equipment technical field.

Background

The biomass combustion equipment is heating equipment taking plant waste as a combustion medium, and is widely applied to various heat energy industries such as boilers, carbonization furnaces, drying furnaces, gasification furnaces, die casting machines, industrial furnaces, incinerators, smelting furnaces, kitchen equipment, drying equipment, food drying equipment, ironing equipment, baking finish equipment, road building mechanical equipment, industrial annealing furnaces, asphalt heating equipment and the like; the biomass fuel needs to be fully mixed with air in the combustion process so as to enable the fuel to be fully combusted. And the biomass combustion furnace in the existing market does not adopt the material spreading mode to evenly distribute the fuel on the hood grate, so the fire hole is easily formed due to uneven distribution, the combustion in the furnace is not sufficient and generates a large amount of excess air, and the excess air is directly discharged through a flue, the energy waste is caused, the environment protection is not facilitated, and the energy saving and the environmental protection are not realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotatory biomass combustion equipment of even cloth to the not enough of prior art existence to solve above-mentioned problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

a biomass combustion device capable of rotating and uniformly distributing materials comprises a rotary material transmission device and a combustion device, wherein the combustion device is provided with a combustion chamber, a furnace door, a hood grate, a two-section combustion transition flue and a first air chamber, the hood grate is fixedly arranged at the bottom of the combustion chamber, the first air chamber is arranged at the bottom of the combustion chamber and is communicated with an air inlet of the hood grate, a plurality of first air adjusting doors capable of independently adjusting air volume are arranged on the first air chamber, the furnace door is arranged on one side of the bottom of the combustion chamber and is higher than the hood grate, one end of the two-section combustion transition flue is communicated with the combustion chamber, the other end of the two-section combustion transition flue is provided with a high-temperature flue gas outlet, an opening is formed in the upper part of the combustion chamber, a box body is arranged at the top of the combustion device, and the box body is communicated; it includes rotatory cloth dish, rotating electrical machines and spills the material pipe to expect transmission soon, rotatory cloth dish rotationally hangs through the rotation axis and locates in the box, just the lower part of rotatory cloth dish with the upper portion opening of combustion chamber matches, the rotating electrical machines is connected and is driven rotatory cloth dish rotates, spill the vertical pipe and the slope pipe of expecting by lining up each other and form, the upper end of slope pipe rotationally cup joints the lower extreme of vertical pipe, just the lower extreme embedding of slope pipe set up in rotatory cloth dish and with the combustion chamber intercommunication, vertical pipe is located directly over the rotatory cloth dish centre of a circle.

Further, still include material feeding unit, material feeding unit includes hopper, feeding motor, spiral play feed cylinder and fixed bolster, the fixed bolster set firmly in the top of box, hopper, feeding motor, spiral play feed cylinder all are fixed in on the fixed bolster, spiral play feed cylinder transversely sets up and locates the hopper bottom, the middle part of spiral play feed cylinder with hopper bottom intercommunication and fixed connection, the one end intercommunication of spiral play feed cylinder the lateral part of vertical pipe, feeding motor locates the other end of spiral play feed cylinder just is fixed in on the fixed bolster, spiral play feed cylinder is inside to be equipped with a spiral pay-off axle rather than the internal diameter matching along the axial, spiral pay-off axle is fixed in on the fixed bolster and with feeding motor transmission is connected through the bearing frame.

Further, the air supply device also comprises an air supply fan, and the air supply fan is communicated with the first air chamber for supplying air through a pipeline.

Furthermore, the rotary material transmission device further comprises a material spraying fan, the material spraying fan is communicated with the interior of the box body through a pipeline, at least one ventilation pipe communicated with the lower discharging end of the inclined pipe is arranged in the rotary material distribution disc, and the ventilation pipe is communicated with the interior of the box body.

Furthermore, the combustion device is also provided with a second air chamber, the second air chamber is arranged below the two-section combustion transition flue, the top of the second air chamber is provided with an air pipe, the second air chamber is communicated with the two-section combustion transition flue through the air pipe, and the second air chamber is also provided with a second air adjusting door for adjusting the air quantity.

Further, the number of the first air adjusting doors is three.

Compared with the prior art, the utility model, following beneficial effect has:

1) the biomass fuel is prepared by adding biomass fuel into a feeding hopper, driving a spiral feeding shaft to rotate by starting a feeding motor, transmitting fuel to a spreading pipe along a spiral feeding barrel, driving a rotary distributing disc to rotate by starting the rotary motor, enabling the fuel falling along an inclined pipe to fall on a hood fire grate and be distributed annularly, controlling the feeding amount of the spiral feeding barrel by controlling the feeding motor in the process, and matching with the annular spreading operation of the spreading pipe, so that the effect of uniformly distributing the fuel on the hood fire grate is achieved, the structure is simple, and the effect is obvious;

2) the fuel contains block and powder, the rotating distribution disc can adjust the rotating speed through the fuel quantity, firstly, the fuel absorbs the heat emitted by the furnace wall in the furnace, so that the fuel is ignited and combusted, the small-particle fuel is rotated and suspended combusted in the furnace, the large-particle fuel falls into the upper half part of the hood fire grate for boiling combustion, thereby improving the combustion heat efficiency of the fuel, high-pressure air is sent to the bottom of the hood fire grate by adjusting the pressure of the air bin of each first air chamber through each first air adjusting door, the high-pressure air enters through the air inlet of the hood fire grate, the large-block fuel falling on the hood fire grate is completely mixed with the air, so that a fire hole is not easy to appear during combustion, meanwhile, the small-particle fuel enters into the combustion chamber for air combustion, the residence time of the; meanwhile, the air delivery amount is strictly controlled by the air supply fan, and the excessive air entering the combustion chamber is reduced, so that nitrogen reacts with oxygen at high temperature during combustion to generate nitrogen oxide, and the nitrogen oxide is reduced, and the emission standard of low-nitrogen combustion is reached;

3) the flue gas that produces after the burning gets into two-stage combustion transition flue, adjusts the wind storehouse pressure in the overgrate air room and provides combustion-supporting air in the two-stage combustion transition flue along the tuber pipe through the secondary air register to the flue gas that contains the fuel powder that the burning is incomplete carries out the postcombustion in two-stage combustion transition flue, thereby makes the fuel burning more abundant, has reduced CO or other hydrocarbon content in the high temperature flue gas simultaneously greatly, reaches the effect that not only saves energy but also the environmental protection.

Drawings

Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic longitudinal sectional structure of the present invention;

fig. 2 is a schematic diagram of the transverse cross-section structure of the present invention;

in the figure: the device comprises a combustion device-1, a rotary material transmission device-2, a feeding device-3, an air supply fan-4, a box body-100, a combustion chamber-101, a furnace door-102, a hood grate-103, a two-section combustion transition flue-104, a first air chamber-105, a high-temperature flue gas outlet-106, a second air chamber-107, an air pipe-108, a rotary material distribution plate-201, a material scattering pipe-202, a rotary motor-203, a material spraying fan-204, a feeding hopper-301, a feeding motor-302, a spiral discharging barrel-303, a spiral feeding shaft-304, a fixed support-305, a first air adjusting valve-1051, a second air adjusting valve-1071, a ventilation pipe-2011, a vertical pipe-2021 and an inclined pipe-2022.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Examples

Referring to fig. 1-2, the present invention provides a biomass combustion device with uniform material distribution: the biomass combustion equipment with the structure of uniform rotary distribution comprises a rotary distribution transmission device 2 and a combustion device 1, wherein the combustion device 1 is provided with a combustion chamber 101, a furnace door 102, a hood grate 103, a two-section combustion transition flue 104 and a first air chamber 105, the hood grate 103 is fixedly arranged at the bottom of the combustion chamber 101, the first air chamber 105 is arranged at the bottom of the combustion chamber 101 and is communicated with an air inlet of the hood grate 103, three first air adjusting doors 1051 capable of independently adjusting air volume are arranged on the first air chamber 105, the furnace door 102 is arranged at one side of the bottom of the combustion chamber 101 and is higher than the hood grate 103, one end of the two-section combustion transition flue 104 is communicated with the combustion chamber 101, the other end of the two-section combustion transition flue 104 is provided with a high-temperature flue gas outlet 106, an opening is arranged at the upper part of the combustion chamber 101, a box 100 is arranged at the top of the combustion device, and the case 100 is communicated with the combustion apparatus; the rotary material transmission device 2 comprises a rotary material distribution disc 201, a rotary motor 203 and a material spreading pipe 202, the rotary material distribution disc 201 is rotatably hung in the box body 100 through a rotating shaft, the lower part of the rotary material distribution disc 201 is matched with an upper opening of the combustion chamber, the rotary motor 203 is connected with and drives the rotary material distribution disc 201 to rotate, the material spreading pipe 202 consists of a vertical pipe 2021 and an inclined pipe 2022 which are mutually communicated, the upper end of the inclined pipe 2022 is rotatably sleeved with the lower end of the vertical pipe 2021, the lower end of the inclined pipe 2022 is embedded in the rotary material distribution disc 201 and is communicated with the combustion chamber 101, the vertical pipe 2021 is positioned right above the circle center of the rotary material distribution disc 201, the rotary material transmission device further comprises a feeding device 3, the feeding device 3 comprises a feeding hopper 301, a feeding motor 302, a spiral discharging barrel 303 and a fixed support 305, and the fixed support 305 is fixedly arranged at the top of the box body 100, the feeding hopper 301, the feeding motor 302 and the spiral discharging barrel 303 are all fixed on the fixed support 305, the spiral discharging barrel 303 is transversely arranged and arranged at the bottom of the feeding hopper 301, the middle part of the spiral discharging barrel 303 is communicated and fixedly connected with the bottom of the feeding hopper 301, one end of the spiral discharging barrel 303 is communicated with the side part of the vertical pipe 2021, the feeding motor 302 is arranged at the other end of the spiral discharging barrel 303 and is fixed on the fixed support 305, a spiral feeding shaft 304 matched with the inner diameter of the spiral discharging barrel 303 is axially arranged in the spiral discharging barrel 303, the spiral feeding shaft 304 is fixed on the fixed support 305 through a bearing seat and is in transmission connection with the feeding motor 302, the spiral discharging device further comprises an air supply fan 4, the air supply fan 4 is communicated with the first air chamber 105 through a pipeline for supplying air, the combustion device is further provided with a second air chamber, and the second air chamber is arranged below the two-section combustion transition flue, an air pipe is arranged at the top of the second air chamber, the second air chamber is communicated with the two-section combustion transition flue through the air pipe, and a second air adjusting door for adjusting air volume is further arranged on the second air chamber.

As a preferable scheme of the present invention, the rotary material transmission device 2 further includes a material spraying fan 204, the material spraying fan 204 is communicated with the inside of the box 100 through a pipeline, two ventilation pipes 2011 communicated with the lower discharge end of the inclined pipe 2022 are arranged inside the rotary material distribution disc 201, and the other end of the ventilation pipe 2011 is communicated with the inside of the box; the material spraying fan 204 supplies air into the box body 100, the air in the box body 100 can lead to the discharge end of the inclined pipe 2022 along the vent pipe 2011 arranged in the rotary distribution disc 201, the fuel in the material scattering pipe 202 is scattered and falls on a hood fire grate in a combustion chamber by utilizing the wind power, and meanwhile, the blockage of the material scattering pipe 202 is also avoided.

In this embodiment, the air supply fan 4 and the material spraying fan 204 are both blowers.

When the biomass fuel conveying device is used, biomass fuel is conveyed into the feeding hopper 301, the feeding motor 302 is started to drive the spiral feeding shaft 304 to rotate, so that the biomass combustion material falling into the spiral discharging barrel 303 from the lower part of the feeding hopper 301 is conveyed into the material scattering pipe 202, and then the rotary motor 203 is started to drive the rotary distribution disc 201 to rotate, so that the biomass fuel falls from the lower end of the inclined pipe 2022 and is uniformly distributed on the hood grate 103 in an annular mode; the air pressure in the bin of the first air chamber 105 is adjusted through a first air adjusting door 1051, high-pressure air is fed to the bottom of the hood grate 103, and the high-pressure air enters through an air inlet of the hood grate 103 and is completely mixed with biomass fuel uniformly distributed on the hood grate 103, and the biomass fuel is ignited and combusted; the biomass fuel is completely combusted, the combusted flue gas enters the two-section combustion transition flue 104, air is sent from the second air chamber 107 to the two-section combustion transition flue 104 from the air pipe 108 by adjusting the second air adjusting door 1071 to support combustion, and CO and hydrocarbon in the flue gas are combusted secondarily, so that the heat efficiency is improved, and NO is reduced_XThe high-temperature flue gas after full combustion is led out through the high-temperature flue gas outlet 106 of the combustion equipment 1 and supplied to the matching potFurnaces, hot-blast furnaces, hot-water furnaces, carbonization furnaces, drying furnaces, industrial furnaces, incinerators, smelting furnaces, kitchen equipment, drying equipment and the like.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The utility model provides a rotatory biomass combustion equipment of even cloth which characterized in that: the device comprises a rotary material transmission device (2) and a combustion device (1), wherein the combustion device (1) is provided with a combustion chamber (101), a furnace door (102), a hood grate (103), a two-section combustion transition flue (104) and a first air chamber (105), the hood grate (103) is fixedly arranged at the bottom of the combustion chamber (101), the first air chamber (105) is arranged at the bottom of the combustion chamber (101) and is communicated with an air inlet of the hood grate (103), a plurality of first air adjusting doors (1051) capable of independently adjusting air volume are arranged on the first air chamber (105), the furnace door (102) is arranged on one side of the bottom of the combustion chamber (101) and is higher than the hood grate (103), one end of the two-section combustion transition flue (104) is communicated with the combustion chamber (101), and the other end of the two-section combustion transition flue (104) is provided with a high-temperature flue gas outlet (106), the upper part of the combustion chamber (101) is provided with an opening, the top of the combustion device is provided with a box body (100), and the box body (100) is communicated with the combustion device; the rotary material transmission device (2) comprises a rotary material distribution disc (201), a rotary motor (203) and a material spreading pipe (202), the rotary material distribution disc (201) is rotatably hung in the box body (100) through a rotary shaft, the lower portion of the rotary material distribution disc (201) is matched with an upper opening of the combustion chamber, the rotary motor (203) is connected with and drives the rotary material distribution disc (201) to rotate, the material spreading pipe (202) is composed of a vertical pipe (2021) and an inclined pipe (2022) which are communicated with each other, the upper end of the inclined pipe (2022) is rotatably sleeved with the lower end of the vertical pipe (2021), the lower end of the inclined pipe (2022) is embedded into the rotary material distribution disc (201) and communicated with the combustion chamber (101), and the vertical pipe (2021) is located right above the circle center of the rotary material distribution disc (201).

2. The rotary uniform distribution biomass combustion device as claimed in claim 1, wherein: the feeding device comprises a feeding hopper (301), a feeding motor (302), a spiral discharging barrel (303) and a fixed support (305), wherein the fixed support (305) is fixedly arranged at the top of the box body (100), the feeding hopper (301), the feeding motor (302) and the spiral discharging barrel (303) are all fixed on the fixed support (305), the spiral discharging barrel (303) is transversely arranged and arranged at the bottom of the feeding hopper (301), the middle part of the spiral discharging barrel (303) is communicated and fixedly connected with the bottom of the feeding hopper (301), one end of the spiral discharging barrel (303) is communicated with the side part of the vertical pipe (2021), the feeding motor (302) is arranged at the other end of the spiral discharging barrel (303) and is fixed on the fixed support (305), a spiral shaft (304) matched with the inner diameter of the spiral discharging barrel (303) is axially arranged in the spiral discharging barrel (303), the spiral feeding shaft (304) is fixed on the fixed support (305) through a bearing seat and is in transmission connection with the feeding motor (302).

3. The rotary uniform distribution biomass combustion device as claimed in claim 1, wherein: the air supply device also comprises an air supply fan (4), and the air supply fan (4) is communicated with the first air chamber (105) through a pipeline for supplying air.

4. The rotary uniform distribution biomass combustion device as claimed in claim 1, wherein: it still includes spouts material fan (204) to revolve material transmission (2), spout material fan (204) and pass through the pipeline intercommunication inside box (100), inside being equipped with at least one of rotatory cloth dish with the communicating ventilation pipe (2011) of lower part discharge end of inclined tube (2022), just ventilation pipe (2011) with the inside intercommunication of box.

5. The rotary uniform distribution biomass combustion device as claimed in claim 1, wherein: the combustion device (1) is further provided with a second air chamber (107), the second air chamber (107) is arranged below the second-section combustion transition flue (104), an air pipe (108) is arranged at the top of the second air chamber (107), the second air chamber (107) is communicated with the second-section combustion transition flue (104) through the air pipe (108), and a second air adjusting door (1071) used for adjusting air volume is further arranged on the second air chamber (107).

6. The rotary uniform distribution biomass combustion device as claimed in claim 1, wherein: the number of the first air adjusting doors (1051) is three.