CN217031250U

CN217031250U - Air distribution device for biomass fuel boiler

Info

Publication number: CN217031250U
Application number: CN202220606562.0U
Authority: CN
Inventors: 黄文坚; 黄凌; 黄伟杰; 丘斌海; 郭泽鑫
Original assignee: Guangzhou Yuewei Boilers Co ltd
Current assignee: Guangzhou Yuewei Boilers Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-22
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an air distribution device for a biomass fuel boiler, which comprises a base, wherein a combustion box is arranged at the upper end of the base, a boiler body is arranged at the upper end of the combustion box, a material box is arranged at the upper end of the base, a material conveying mechanism is also arranged at the upper end of the base, the left side of the material conveying mechanism extends into the combustion box, a material discharging pipe is arranged at the lower end of the material box, the lower end of the material discharging pipe is communicated with the material conveying mechanism, an air supply mechanism is also arranged at the upper end of the base, an ash removing mechanism is also arranged at the left side of the combustion box, and a heating mechanism is also arranged between the ash removing mechanism and the boiler body; meanwhile, the utilization rate of heat can be reduced, the consumption of heat is reduced, and convenience can be brought to the technical field of industrial boilers.

Description

Air distribution device for biomass fuel boiler

Technical Field

The utility model relates to the technical field of industrial boilers, in particular to an air distribution device for a biomass fuel boiler.

Background

The biomass fuel is a novel clean fuel which is prepared by burning biomass materials as raw materials, crushing, mixing, extruding, drying and the like to prepare various forms, such as blocks, particles and the like, and can be directly burnt, wherein the biomass materials are used as fuels, generally mainly agricultural and forestry wastes, such as straws, sawdust, bagasse, rice chaff and the like, and are mainly different from fossil fuels, in the current national policy and environmental protection standard, the biomass materials are directly burnt to be high-pollution fuels and are only used in a rural large stove and are not allowed to be used in cities, and the biomass fuels are used for preparing various forms, such as blocks, particles and the like, by using the agricultural and forestry wastes as raw materials through the processes of crushing, mixing, extruding, drying and the like, and black smoke can be generated if the biomass materials are burnt insufficiently, so that the environment is polluted and a lot of resources are wasted, therefore, the burning device of the biomass materials needs to be provided with an air distribution device, but the smoke discharged by the existing air distribution device has high heat, and the ash is carried, so that the ash is directly discharged to cause environmental pollution and heat loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air distribution device for a biomass fuel boiler, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a biomass fuel is air distribution device for boiler, includes the base, the burning box is installed to the base upper end, the boiler body is installed to burning box upper end, the workbin is installed to the base upper end, defeated material mechanism is still installed to the base upper end, defeated material mechanism stretches into in the burning box in the left side, the row's material pipe is installed to the workbin lower extreme, arrange material pipe lower extreme and defeated material mechanism intercommunication, air supply mechanism is still installed to the base upper end, ash removal mechanism is still installed in the burning box left side, still be provided with heating mechanism between ash removal mechanism and the boiler body.

Preferably, defeated material mechanism is including installing the feed cylinder in the base upper end, the feed cylinder left end runs through the combustion box and stretches into in the combustion box, defeated material axis of rotation is installed to the feed cylinder internal rotation, install spiral defeated material oar in the defeated material axis of rotation, defeated material motor is installed to the feed cylinder tip, the output of defeated material motor is connected with the axle head drive of defeated material axis of rotation.

Preferably, the air supply mechanism comprises an air box installed on the base and a fan coil embedded in the inner wall of the right side of the combustion box, an air supply pipe is installed on the left side of the air box, the left end of the air supply pipe penetrates through the combustion box and is communicated with the fan coil, and an air supply pump is further installed on the air supply pipe.

Preferably, the ash removal case of ash removal mechanism package piece on the base upper end is installed, be provided with the scavenging solution in the ash removal case, the slagging-off valve is still installed in ash removal case left side, the ash removal pipe is installed in the combustion box left side, the tip of ash removal pipe stretches into the ash removal bottom of the case portion.

Preferably, the heating mechanism includes the heating tank that the boiler body outside was seted up, spiral installation has the heating pipe in the heating tank, the heating tank outside still is fixed with the heat preservation cotton, the air pump is still installed to the ash removal case upper end, the output of air pump is fixed with the blast pipe, blast pipe and heating pipe intercommunication.

Preferably, the front side of the combustion box is hinged with a box door, and the box door is provided with an observation window.

Compared with the prior art, the utility model has the beneficial effects that: ash can be effectively removed by arranging the ash removing mechanism; through setting up heating mechanism, can be to the heat reuse in the flue gas. The utility model has simple structure and can effectively remove ash; meanwhile, the utilization rate of heat can be reduced, the consumption of heat is reduced, and convenience can be brought to the technical field of industrial boilers.

Drawings

FIG. 1 is a schematic front structural view of an air distribution device for a biomass fuel boiler;

fig. 2 is a schematic front sectional view of an air distribution device for a biomass fuel boiler.

In the figure: 1-base, 2-material box, 21-discharge pipe, 3-material conveying mechanism, 31-material conveying cylinder, 32-material conveying motor, 33-material conveying rotating shaft, 34-spiral material conveying paddle, 4-air supply mechanism, 41-fan coil pipe, 42-air supply pipe, 43-air supply pump, 44-air box, 5-combustion box, 51-box door, 52-observation window, 6-ash removing mechanism, 61-ash removing box, 62-ash removing pipe, 63-purifying liquid, 64-slag discharge valve, 7-boiler body, 8-heating mechanism, 81-heating tank, 82-heat insulation cotton, 83-heating pipe, 84-exhaust pipe and 85-exhaust pump.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1: please refer to fig. 1-2, an air distribution device for biomass fuel boiler, including base 1, burning box 5 is installed to base 1 upper end, boiler body 7 is installed to burning box 5 upper end, workbin 2 is installed to base 1 upper end, defeated material mechanism 3 is still installed to base 1 upper end, defeated material mechanism 3 left side stretches into in the burning box 5, row material pipe 21 is installed to 2 lower extremes of workbin, arrange material pipe 21 lower extreme and defeated material mechanism 3 intercommunication, air supply mechanism 4 is still installed to base 1 upper end, ash removal mechanism 6 is still installed in burning box 5 left side, still be provided with heating mechanism 8 between ash removal mechanism 6 and the boiler body 7.

Defeated material mechanism 3 is including installing defeated feed cylinder 31 in the base 1 upper end, 31 left ends of defeated feed cylinder run through combustion box 5 and stretch into in the combustion box 5, defeated material axis of rotation 33 is installed to the 31 internal rotations of defeated feed cylinder, install the defeated material oar 34 of spiral on the defeated material axis of rotation 33, defeated material motor 32 is installed to defeated feed cylinder 31 tip, the output of defeated material motor 32 is connected with the axle head drive of defeated material axis of rotation 33.

Through setting up defeated material mechanism 3, be convenient for to add fuel in the combustion box 5, during the use, open defeated material motor 32, make it drive defeated material axis of rotation 33 and rotate, and then make spiral defeated material oar 34 with the fuel direction combustion box 5.

The air supply mechanism 4 comprises an air box 44 installed on the base 1 and a fan coil 41 embedded in the inner wall of the right side of the combustion box 5, an air supply pipe 42 is installed on the left side of the air box 44, the left end of the air supply pipe 42 penetrates through the combustion box 5 and is communicated with the fan coil 41, and an air supply pump 43 is further installed on the air supply pipe 42.

Through setting up air supply mechanism 4, be convenient for send into the air in the combustion box 5, the burning of the fuel of being convenient for is convenient for blow away the fuel of piling up together simultaneously, the burning of the fuel of being convenient for, during the use, opens air pump 43 to wind the leading-in fan coil 41 of air in 44 in the bellows and fan coil 41 blows to the fuel.

6 package pieces of ash removal mechanism are installed in ash removal case 61 of base 1 upper end, be provided with scavenging solution 63 in the ash removal case 61, ash removal case 61 left side still installs slag discharging valve 64, ash removal pipe 62 is installed in 5 left sides of combustion box, ash removal pipe 62's tip stretches into ash removal case 61 bottom.

Through setting up dust removal mechanism 6, be convenient for detach the lime-ash in the flue gas, reduce the pollution to the environment, during the use, the flue gas is through removing in the leading-in ash bin 61 of ash pipe 62, absorbs the lime-ash in the flue gas through the purifying liquid afterwards.

Heating mechanism 8 includes the heating groove 81 that the boiler body 7 outside was seted up, spiral mounting has heating pipe 83 in the heating groove 81, the heating groove 81 outside still is fixed with heat preservation cotton 82, except that ash bin 61 upper end still installs exhaust pump 85, exhaust pump 85's output is fixed with blast pipe 84, blast pipe 84 and heating pipe 83 intercommunication.

Through setting up heating mechanism 8, can further utilize heat in the flue gas, reduce thermal loss, improve the utilization ratio of the energy. When the gas-liquid separator is used, the exhaust pump 85 is turned on, purified flue gas is sucked out and is discharged into the heating pipe 83 through the exhaust pipe 84, and the filtering body 7 is subjected to heat preservation and heating through the waste heat of the flue gas, so that the secondary utilization of heat is realized.

Example 2: referring to fig. 1-2, an air distribution device for a biomass fuel boiler is different from embodiment 1 in that the air distribution device further includes a box door 51, the front side of the combustion box 5 is hinged with the box door 51, and the box door 51 is provided with an observation window 52.

The box door 51 is arranged, so that ash in the combustion box 5 can be cleaned conveniently, and the observation window 52 is convenient for observing the combustion condition in the combustion box 5.

The working principle of the utility model is as follows: when the device is used, firstly, the box door 51 is opened, some fuel is added into the combustion box 5 and ignited, then the air supply pump 43 is opened, so that air in the air box 44 is guided into the fan coil 41 and blown to the fuel by the fan coil 41, the combustion of the fuel is facilitated, next, the material conveying motor 32 is opened to drive the material conveying rotating shaft 33 to rotate, then the fuel is guided into the combustion box 5 by the spiral material conveying paddle 34, then the smoke is guided into the ash removing box 61 through the ash removing pipe 62, ash residues in the smoke are absorbed through the purifying liquid, finally, the exhaust pump 85 is opened, the purified smoke is sucked out and discharged into the heating pipe 83 through the exhaust pipe 84, and the filter body 7 is subjected to heat preservation and heating through the waste heat of the smoke, so that the secondary utilization of heat is realized.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.

Claims

1. The utility model provides a biomass fuel is air distribution equipment for boiler, includes base (1), its characterized in that: burning box (5) are installed to base (1) upper end, boiler body (7) are installed to burning box (5) upper end, workbin (2) are installed to base (1) upper end, defeated material mechanism (3) are still installed to base (1) upper end, defeated material mechanism (3) left side stretches into in burning box (5), row material pipe (21) are installed to workbin (2) lower extreme, arrange material pipe (21) lower extreme and defeated material mechanism (3) intercommunication, air supply mechanism (4) are still installed to base (1) upper end, burning box (5) left side is still installed and is removed grey mechanism (6), it still is provided with heating mechanism (8) between grey mechanism (6) and boiler body (7) to remove.

2. The air distribution device for the biomass fuel boiler according to claim 1, characterized in that: defeated material mechanism (3) are including installing defeated feed cylinder (31) in base (1) upper end, defeated feed cylinder (31) left end runs through combustion box (5) and stretches into in combustion box (5), defeated feed cylinder (31) internal rotation is installed defeated material axis of rotation (33), install spiral defeated material oar (34) on defeated material axis of rotation (33), defeated feed cylinder (31) tip is installed defeated material motor (32), the output of defeated material motor (32) is connected with the axle head drive of defeated material axis of rotation (33).

3. The air distribution device for the biomass fuel boiler according to claim 2, characterized in that: air supply mechanism (4) are including installing bellows (44) on base (1) and embedded fan coil (41) of installing at combustion box (5) right side inner wall, blast pipe (42) are installed in bellows (44) left side, blast pipe (42) left end run through combustion box (5) and communicate with fan coil (41), still install air-supply pump (43) on blast pipe (42).

4. The air distribution device for the biomass fuel boiler according to claim 3, characterized in that: ash removal mechanism (6) package piece is installed in ash removal case (61) of base (1) upper end, be provided with purifying liquid (63) in ash removal case (61), ash removal case (61) left side still installs sediment valve (64), ash removal pipe (62) are installed in combustion box (5) left side, ash removal pipe (62)'s tip stretches into ash removal case (61) bottom.

5. The air distribution device for the biomass fuel boiler according to claim 4, characterized in that: heating mechanism (8) include heating tank (81) that boiler body (7) outside was seted up, heating tank (81) internal spiral installs heating pipe (83), heating tank (81) outside still is fixed with heat preservation cotton (82), remove ash bin (61) upper end and still install air pump (85), the output of air pump (85) is fixed with blast pipe (84), blast pipe (84) and heating pipe (83) intercommunication.

6. The air distribution device for the biomass fuel boiler according to claim 5, characterized in that: the front side of the combustion box (5) is hinged with a box door (51), and the box door (51) is provided with an observation window (52).