CN215176011U

CN215176011U - Biomass particle combustion furnace for flue-cured tobacco

Info

Publication number: CN215176011U
Application number: CN202121166080.XU
Authority: CN
Inventors: 赵玲; 戴敏杰; 戴玉成
Original assignee: Mengcheng Xinrui New Energy Technology Co ltd
Current assignee: Mengcheng County Xinrui New Energy Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-14
Anticipated expiration: 2031-05-28

Abstract

The utility model aims to provide a biomass particle combustion furnace for flue-cured tobacco, which comprises a furnace body and a spiral feeding machine, wherein a furnace chamber of the furnace body is internally provided with a fire grate, the top of the furnace body is provided with a smoke outlet, the spiral feeding machine is arranged on a bracket outside the furnace body, a top discharge port of the spiral feeding machine extends into the furnace chamber, a feeding port of the spiral feeding machine is provided with a feeding hopper, the top of the furnace chamber is provided with a hot air coil, one end of the hot air coil is connected with a circulating fan, an air cylinder is rotatably arranged in the furnace chamber and above the fire grate, the rear end of the air cylinder is coaxially provided with a hollow shaft, the hollow shaft is rotatably arranged in an air box outside the chamber and is driven to rotate by a speed reducer, the part of the hollow shaft, which is positioned in the air box, is provided with an overflowing hole, and the periphery of the air cylinder is fixedly provided with a hollow stirring blade communicated with the air cylinder, the hollow stirring blade is provided with a plurality of air nozzles.

Description

Biomass particle combustion furnace for flue-cured tobacco

Technical Field

The utility model relates to a fire burning furnace, specifically a biomass particle fires burning furnace for flue-cured tobacco.

Background

At present, a coal-fired furnace or an oil-fired furnace is generally adopted to provide heat for a tobacco curing room, and the coal or the oil-fired furnace has a great pollution problem after being combusted. With the increasing public importance on air quality, cleaner energy sources are urgently needed to provide heat for the tobacco flue-curing house.

In the prior art, for example, an invention patent with an authorization publication number of 104613641B discloses a biomass particle combustion furnace for flue-cured tobacco, which comprises a biomass particle combustion furnace and a heat exchange chamber, wherein the biomass particle combustion furnace comprises a furnace body and a feeding device, a fire grate is arranged in a hearth of the furnace body, a basin-shaped recess is arranged at the center of the fire grate, and the heat exchange chamber is arranged above the hearth; the feeding device comprises a stock bin, a spiral feeder, a variable frequency motor and a conveying pipe, wherein the lower end of the conveying pipe is obliquely communicated to the upper side of the grate, the heat exchange chamber is divided into a flue gas chamber and a hot air chamber which are sealed mutually but transfer heat, a heat dissipation coil pipe is arranged in the flue gas chamber, flue gas generated in the biomass particle combustion furnace flows through the heat dissipation coil pipe and then is discharged through a chimney, a circulating pipeline connected with a tobacco flue-curing house is arranged in the hot air chamber, and the circulating pipeline is connected with a circulating fan. The disadvantages of the combustion furnace are that: this combustion furnace makes the material be in half gasification state through making whirlwind in the furnace chamber, however, this state needs to carry out accurate feed control to the material that gets into in the stove, if the pay-off is too much, then leads to the material to pile up, and then can not reach the effect of ideal abundant burning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biomass particle fires burning furnace for flue-cured tobacco to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a biomass particle combustion furnace for flue-cured tobacco comprises a furnace body and a spiral feeding machine, wherein a furnace chamber of the furnace body is internally provided with a fire grate, the top of the furnace body is provided with a flue gas outlet, the spiral feeding machine is arranged on a bracket outside the furnace body, a top discharge port of the spiral feeding machine extends into the furnace chamber, a feeding hopper is assembled at a feed inlet of the spiral feeding machine, a hot air coil is installed at the top of the furnace chamber, one end of the hot air coil is connected with a circulating fan, an air cylinder is rotatably installed in the furnace chamber and above the fire grate, the rear end of the air cylinder is coaxially provided with a hollow shaft, the hollow shaft is rotatably installed in an air box outside the chamber and is driven to rotate by a speed reducer, the part of the hollow shaft, which is positioned in the air box, is provided with an overflowing hole, the periphery of the air cylinder is fixedly provided with a hollow stirring blade communicated with the air cylinder, and the hollow stirring blade is provided with a plurality of air nozzles, the outer side of the air duct is provided with an igniter between two adjacent hollow stirring blades, and the air duct is connected with the air blower.

As a further aspect of the present invention: still include the heat transfer case, install combustion-supporting gas coil pipe in the heat transfer case, combustion-supporting gas coil pipe's both ends are connected with air-blower, bellows respectively, the heat transfer case has into smoke mouth and exhaust port, advance the smoke mouth pass through the flue gas pipe with the exhanst gas outlet is connected.

As a further aspect of the present invention: and a smoke filtering piece is arranged at the smoke outlet.

As a further aspect of the present invention: the grate is formed by arranging a plurality of parallel rod pieces.

As a further aspect of the present invention: and the air jet is provided with a blocking net.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, convenient to use installs the dryer through at the furnace chamber internal rotation, installs the cavity stirring leaf rather than the intercommunication outside the dryer, and the rear end coaxial arrangement of dryer has the hollow shaft, and the sealed rotation of hollow shaft sets up on bellows and through discharge orifice and bellows intercommunication to make combustion-supporting gas blow off to accumulational fuel inside by cavity stirring leaf, and the cooperation slowly stirs, thereby helps the abundant burning of fuel, so that it releases the maximum calorific value.

Drawings

FIG. 1 is a schematic structural diagram of a biomass particle combustion furnace for flue-cured tobacco;

FIG. 2 is a side view of a biomass pellet burner for flue-cured tobacco;

in the figure: the device comprises a blower 1, a furnace body 2, a combustion-supporting air coil pipe 3, a heat exchange box 4, a flue gas pipe 5, a flue gas outlet 6, a flue gas filtering piece 7, a hot air coil pipe 8, a circulating fan 9, an air duct 10, a hollow stirring blade 11, an air jet 12, an igniter 13, a fire grate 14, a feed inlet 15, a spiral feeding machine 16, a bracket 17, a feeding hopper 18, a motor 19, a hollow shaft 20, an overflowing hole 21, an air box 22 and a speed reducer 23.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a biomass particle combustion furnace for flue-cured tobacco, and fig. 2 is a side view of the biomass particle combustion furnace for flue-cured tobacco.

In this embodiment, a biomass particle combustion furnace for flue-cured tobacco comprises a furnace body 2 and a spiral feeder 16, a grate 14 is arranged in a furnace chamber of the furnace body 2, the grate 14 is formed by arranging a plurality of parallel rods, biomass particles are accumulated on the grate 14 for combustion, ash slag generated after combustion falls into the bottom of the furnace from a gap of the grate 14 for cleaning, high-temperature flue gas generated by combustion is discharged from a flue gas outlet 6 at the top of the furnace body 2, the spiral feeder 16 is arranged on a bracket 17 at the outer side of the furnace body 2, a motor 19 is installed at the rear end of the spiral feeder 16, a top discharge port of the spiral feeder 16 extends into the furnace chamber, a feeding hopper 18 is installed at a feeding port 15 of the spiral feeder 16, biomass fuel enters the spiral feeder 16 from the feeding hopper 18 for feeding and is discharged into the furnace body 2 through a discharge port, a hot air coil 8 is installed at the top of the furnace chamber, the one end and the circulating fan 9 of hot-blast coil 8 are connected, and the both ends of hot-blast coil 8 respectively with the air supply interface connection of tobacco flue-curing house provide high hot air source for the tobacco flue-curing house, circulating fan 9 makes high hot air circulate the heat supply, the furnace chamber just is located the top of grate 14 and rotates and installs dryer 10, the rear end coaxial arrangement of dryer 10 has hollow shaft 20, hollow shaft 20 seals to rotate and installs and be located in the bellows 22 of the cavity outside and through the drive of speed reducer 23 and rotate, the hollow shaft 20 is located the part of bellows 22 and has seted up discharge orifice 21, bellows 22 is connected with air-blower 1, outside combustion-supporting air is oxygen and blows in bellows 22 by air-blower 1 to get into in hollow shaft 20 and reach dryer 10 by discharge orifice 21, be in the malleation state all the time in dryer 10, combustion-supporting gas in the dryer 10 by a plurality of jet ports 12 on the hollow stirring leaf 11 of dryer 10 periphery blow off, the jet 12 department has the barrier net, cooperates speed reducer 23 to drive dryer 10 slow rotation simultaneously to can make the biomass fuel who piles up on grate 14 stir, and inwards blow in combustion-supporting gas when stirring, make biomass fuel and air fully contact, the outside of dryer 10 just is located and is equipped with some firearm 13 between two adjacent cavity stirring leaves 11, and some firearm 13 ignitions are burnt, help the abundant burning of fuel in order to release maximum calorific value.

In this embodiment, it is preferred, still include heat transfer case 4, install combustion-supporting gas coil pipe 3 in the heat transfer case 4, the both ends of combustion-supporting gas coil pipe 3 are connected with air-blower 1, bellows 22 respectively, heat transfer case 4 has into smoke mouth and exhaust port, advance the smoke mouth pass through flue gas pipe 5 with gas outlet 6 connects, and high temperature flue gas gets into in the heat transfer case 4 and preheats the air in the combustion-supporting gas coil pipe 3 to improve the combustion-supporting gas calorific value, more be favorable to abundant burning.

In this embodiment, in order to prevent impurities in the flue gas from being discharged out of the furnace body 2, a flue gas filtering piece 7 is installed at the flue gas outlet 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.

Claims

1. The utility model provides a biomass particle fires burning furnace for flue-cured tobacco, includes furnace body and spiral material loading machine, have the grate in the furnace chamber of furnace body, the top of furnace body has exhanst gas outlet, its characterized in that: the spiral feeding machine is arranged on a bracket outside the furnace body, a discharge hole at the top of the spiral feeding machine extends into the furnace cavity, a feeding hopper is arranged at the feed inlet of the spiral feeding machine, a hot air coil pipe is arranged at the top of the furnace chamber, one end of the hot air coil is connected with a circulating fan, an air duct is rotatably arranged in the furnace cavity and above the fire grate, the rear end of the air duct is coaxially provided with a hollow shaft, the hollow shaft is sealed and rotatably arranged in an air box positioned at the outer side of the furnace body and is driven to rotate by a speed reducer, the part of the hollow shaft positioned in the air box is provided with an overflowing hole, the periphery of the air duct is fixedly provided with a hollow stirring blade communicated with the air duct, the hollow stirring blade is provided with a plurality of air nozzles, the outer side of the air duct is provided with an igniter between two adjacent hollow stirring blades, and the air duct is connected with the air blower.

2. The biomass particle combustion furnace for flue-cured tobacco as claimed in claim 1, characterized in that: still include the heat transfer case, install combustion-supporting gas coil pipe in the heat transfer case, combustion-supporting gas coil pipe's both ends are connected with air-blower, bellows respectively, the heat transfer case has into smoke mouth and exhaust port, advance the smoke mouth pass through the flue gas pipe with the exhanst gas outlet is connected.

3. The biomass particle combustion furnace for flue-cured tobacco as claimed in claim 1, characterized in that: and a smoke filtering piece is arranged at the smoke outlet.

4. The biomass particle combustion furnace for flue-cured tobacco as claimed in claim 1, characterized in that: the grate is formed by arranging a plurality of parallel rod pieces.

5. The biomass particle combustion furnace for flue-cured tobacco as claimed in claim 1, characterized in that: and the air jet is provided with a blocking net.