CN214094447U

CN214094447U - Biomass particle combustion device

Info

Publication number: CN214094447U
Application number: CN202120001188.7U
Authority: CN
Inventors: 王东; 王宏乙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-08-31
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a living beings granule burner, which comprises an outer shell, the shell top is equipped with the feed inlet, feed inlet department is equipped with the hopper, the centre is equipped with the baffle in the shell, the baffle divide into last wind chamber and leeward chamber with the shell inner space, be equipped with feedstock channel in the shell, the import of feedstock channel upper end is located the feed inlet below and communicates with last wind chamber, the export of feedstock channel lower extreme communicates with the left combustion chamber in leeward chamber that is located, combustion chamber and fire outlet intercommunication are equipped with anti-backfire air duct on the feedstock channel, leeward chamber right side is equipped with the air-blower, the air outlet of air-blower communicates last wind chamber, leeward chamber, ignition wind path respectively through the pipeline, set up the ignition stick in the ignition wind path, the ignition stick stretches into in the combustion chamber. The utility model discloses the piling angle according to the material adopts certain inclination's feedstock channel automatic feed, and stability improves greatly, simultaneously because there is not the crushing process of auger and also has the ash collecting device in the hopper, gets into the garrulous ash in the combustion chamber and significantly reduces.

Description

Biomass particle combustion device

Technical Field

The utility model relates to a living beings granule burner.

Background

The biomass particles as a novel particle fuel gain wide acceptance with unique advantages; compared with the traditional fuel, the biomass particles not only have economic advantages, but also have environmental protection benefits, and completely meet the requirements of sustainable development.

In recent years, combustion devices using biomass particles as fuel are developed continuously, but most of the combustion devices adopt a motor to drive an auger to realize automatic feeding, the whole set of auger system generally comprises 5 devices including a motor, a motor reduction box, a chain gear, an auger and a motor speed regulator, and the operation of the whole system can be influenced when any one device is in a problem. The motor and the speed regulator can be burnt out due to quality problems, voltage problems and jamming of the auger, the reduction gearbox can be damaged due to tooth punching caused by quality problems and jamming of the auger, the auger can be jammed due to nail screws and the like in fuel, and a bearing in the auger can be jammed due to quality problems and dry lubrication grease. Therefore, the stability of the device adopting the auger system is always interfered by various factors, and faults are frequent. In addition, the machine adopting the auger device always performs actions such as extrusion and cutting off of fuel and the auger in the feeding process, so that the fuel is crushed in the feeding process, a large amount of crushed ash is generated by crushing the fuel and is sent into the combustion chamber together, and much of the crushed ash is blown into the heat exchange chamber by wind below the grate before combustion, so that the ash accumulated in the heat exchange device seriously influences heat exchange and blocks a flue.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a simple structure, safe and reliable's living beings granule burner.

The utility model provides a technical scheme of above-mentioned problem is: a biomass particle combustion device comprises a shell, a hopper, a feeding channel, an anti-backfire air channel and a combustion chamber, wherein the top of the shell is provided with a feeding hole, the feeding hole is provided with the hopper, the middle in the shell is provided with a partition board which divides the inner space of the shell into an upper air cavity and a lower air cavity, the shell is internally provided with the feeding channel, the feeding channel is obliquely arranged on the partition board in a penetrating way, the inlet at the upper end of the feeding channel is positioned below the feeding hole and communicated with the upper air cavity, the outlet at the lower end of the feeding channel is communicated with the right end of the combustion chamber positioned at the left side of the lower air cavity, the left end of the combustion chamber is communicated with a fire outlet on the outer wall of the shell, the combustion chamber is communicated with the lower air cavity, the anti-backfire air channel is arranged on the feeding channel, the right side of the lower air cavity is provided with an air blower, the air outlet of the air blower is respectively communicated with the upper air cavity, the lower air cavity and an ignition air cavity and the ignition air path through pipelines, and an ignition rod is arranged in the ignition path, an ignition rod extends into the combustion chamber.

According to the biomass particle combustion device, the anti-backfire air channel comprises the first air channel and the second air channel, the first air channel is located between the inlet and the feed inlet at the upper end of the feed channel, the side wall of the upper portion of the feed channel protrudes inwards to form the second air channel, the second air channel is communicated with the feed channel through the hole in the side wall of the feed channel, and the distance between the second air channel and the bottom end of the feed channel is 45-60 mm.

According to the biomass particle combustion device, the combustion chamber is of a semi-closed structure which is formed by enclosing a fire grate and is provided with openings at two ends, and the through holes in the fire grate are communicated with the lower air cavity.

Above-mentioned living beings granule burner, a grate of combustion chamber bottom forms the structure of can opening and shutting through the axis of rotation rather than fixed connection, and the axis of rotation both ends are passed through the bearing and are installed on the shell inner wall, and axis of rotation one end sets up the dwang.

According to the biomass particle combustion device, the air door switch used for adjusting the wind power in the lower wind cavity is arranged at the position, communicated with the lower wind cavity, in the pipeline.

Above-mentioned biomass particle burner, feed inlet department is equipped with the switch picture peg that is used for controlling the feeding or close the material.

Above-mentioned biomass particle burner, be equipped with the ash collecting box on the hopper, ash collecting box adopts the wire net to constitute by hopper one end, and the wire net mesh is less than biomass particle diameter.

In the biomass particle combustion device, the inclination angle of the feeding channel is 48-58 degrees.

Above-mentioned biomass particle burner, shell right side bottom is equipped with the door that opens and shuts that is used for cleaning the slag.

The beneficial effects of the utility model reside in that:

1. the utility model discloses abandon the auger system, adopt certain inclination's feedstock channel automatic feed according to the heap angle of material, stability improves greatly, simultaneously because there is not the crushing process of auger and also has the ash collecting device in the hopper, gets into the garrulous ash in the combustion chamber and significantly reduces.

2. The utility model discloses be equipped with the anti-backfire wind channel that prevents the tempering in feedstock channel, can blow back certain living beings granule dust in the hopper when preventing the granule tempering.

3. The utility model discloses be equipped with the air door switch that is arranged in adjusting down wind cavity wind-force size with the position department of wind cavity intercommunication down in the pipeline, the firepower size can be adjusted according to the air door switch, reduces down wind cavity wind-force and can reduce combustion speed.

4. The utility model discloses be equipped with the switch picture peg that is used for controlling feeding or closes the material in feed inlet department, control feeding, close the material through the switch picture peg to switch picture peg the place ahead leaves leeway, can prevent that the granule material from gathering and the dead switch picture peg of top makes the switch picture peg can not normally close.

5. The utility model discloses a grate in combustion chamber bottom forms the structure of can opening and shutting through the axis of rotation rather than fixed connection, and the bearing is passed through at the axis of rotation both ends and installs on the shell inner wall, and axis of rotation one end sets up the dwang, can make combustion chamber bottom opening through rotating the dwang, makes the slag fall the bottom clearance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view structural diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, a biomass particle combustion device comprises a shell 7, a hopper 1, a feeding channel 4, an anti-backfire air duct 14 and a combustion chamber 19, wherein a feeding port is formed in the top of the shell 7, the hopper 1 is arranged at the feeding port, a partition plate 20 is arranged in the middle of the shell 7, the partition plate 20 divides the inner space of the shell 7 into an upper air chamber 5 and a lower air chamber 18, the feeding channel 4 is arranged in the shell 7, the feeding channel 4 is made of a high-alloy-resistance plate, the feeding channel 4 penetrates through the partition plate 20 in an inclined manner, an inlet at the upper end of the feeding channel 4 is positioned below the feeding port and communicated with the upper air chamber 5, an outlet at the lower end of the feeding channel 4 is communicated with the right end of the combustion chamber 19 positioned on the left side of the lower air chamber 18, the left end of the combustion chamber 19 is communicated with a fire outlet 16 on the outer wall of the shell 7, and the fire outlet 16 is made of high-temperature pouring material; the combustion chamber 19 is communicated with the lower air cavity 18, the feeding channel 4 is provided with an anti-backfire air duct 14, the right side of the lower air cavity 18 is provided with the air blower 11, an air outlet of the air blower 11 is respectively communicated with the upper air cavity 5, the lower air cavity 18 and the ignition air duct through the pipeline 6, the upper air cavity 5 provides wind power for the anti-backfire air duct 14, the ignition air duct is internally provided with the ignition rod 10, the ignition rod 10 extends into the combustion chamber 19, the ignition air duct provides wind power for the ignition rod, and the lower air cavity 18 provides primary wind power and secondary wind power required by combustion for the combustion chamber 19.

The anti-backfire air duct 14 comprises a first air duct and a second air duct, the first air duct is positioned between an inlet and a feed inlet at the upper end of the feed channel 4, the side wall of the upper part of the feed channel 4 protrudes inwards to form a second air duct, the second air duct is communicated with the feed channel 4 through a hole in the side wall of the feed channel 4, and the distance between the second air duct and the bottom end of the feed channel 4 is 45-60 mm. The tempering prevention air duct 14 can blow back certain biomass particle dust into the hopper 1 while preventing the particles from being tempered.

The combustion chamber 19 is a semi-closed structure which is formed by enclosing the fire grate 12 and has two open ends, the fire grate 12 is made of high-temperature cast iron, and through holes in the fire grate 12 are communicated with the lower air cavity 18.

A grate of combustion chamber 19 bottom forms the structure that can open and shut through the axis of rotation 17 rather than fixed connection, and the bearing is passed through at axis of rotation 17 both ends and is installed on shell 7 inner wall, and axis of rotation 17 one end sets up dwang 15, can make combustion chamber 19 bottom opening through rotating dwang 15, makes the slag fall the bottom clearance.

An air door switch 8 for adjusting the wind power in the lower wind cavity 18 is arranged at the position, communicated with the lower wind cavity 18, in the pipeline 6, the fire power of the combustion chamber 19 can be controlled according to the wind power for adjusting the lower wind cavity 18, and the combustion speed can be reduced by reducing the wind power of the lower wind cavity 18.

The feeding port is provided with a switch plugboard 3 for controlling feeding or material shutting, the feeding and material shutting are controlled by the switch plugboard 3, the switch plugboard 3 is opened during feeding, and the switch plugboard 3 is closed when the material is required to be shut. A space is left in front of the switch insertion plate 3 to prevent the particle materials from accumulating to push the switch insertion plate 3 to prevent the switch insertion plate 3 from being normally closed.

Be equipped with collection ash box 2 on hopper 1, collection ash box 2 adopts the wire net to constitute by 1 one end of hopper, and the wire net mesh is less than biomass particles diameter, and some dust in the biomass particles is collected by collection ash box 2 when reinforced and unloading, can reduce and get into combustion chamber 19 from taking the dust in the biomass particles.

The inclination angle of the feed channel 4 is 48-58 deg. The inclination angle is designed according to the stacking angle of the biomass particles, and the biomass particles naturally slide down to be fed by the slight vibration of the blower 11.

And an opening-closing door 13 for cleaning slag is arranged at the bottom of the right side of the shell 7, and the slag at the bottom of the shell 7 can be cleaned by opening the opening-closing door 13.

Claims

1. A biomass particle combustion device is characterized in that: comprises a shell, a hopper, a feeding channel, an anti-backfire air channel and a combustion chamber, wherein the top of the shell is provided with a feeding hole, the hopper is arranged at the feeding hole, a partition plate is arranged in the middle of the shell and divides the inner space of the shell into an upper air cavity and a lower air cavity, the feeding channel is arranged in the shell and penetrates through the partition plate in an inclined manner, an inlet at the upper end of the feeding channel is positioned below the feeding hole and communicated with the upper air cavity, an outlet at the lower end of the feeding channel is communicated with the right end of a combustion chamber positioned at the left side of the lower air cavity, the left end of the combustion chamber is communicated with a fire outlet on the outer wall of the shell, the combustion chamber is communicated with the lower air cavity, the anti-backfire air channel is arranged on the feeding channel, the air blower is arranged on the right side of the lower air cavity, an air outlet of the air blower is respectively communicated with the upper air cavity, the lower air cavity and the ignition air path through pipelines, the ignition rod is arranged in the ignition air path, and the ignition rod extends into the combustion chamber.

2. The biomass pellet combustion device of claim 1, wherein: the anti-backfire air channel comprises a first air channel and a second air channel, the first air channel is located between an inlet at the upper end of the feeding channel and the feeding hole, the side wall of the upper portion of the feeding channel protrudes inwards to form the second air channel, the second air channel is communicated with the feeding channel through a hole in the side wall of the feeding channel, and the distance between the second air channel and the bottom end of the feeding channel is 45-60 mm.

3. The biomass pellet combustion device of claim 1, wherein: the combustion chamber is a semi-closed structure which is formed by enclosing fire grates and has two open ends, and through holes in the fire grates are communicated with the lower air cavity.

4. The biomass pellet combustion device of claim 3, wherein: a grate of combustion chamber bottom forms the structure that can open and shut through rather than fixed connection's axis of rotation, and the axis of rotation both ends are passed through the bearing and are installed on the shell inner wall, and axis of rotation one end sets up the dwang.

5. The biomass pellet combustion device of claim 1, wherein: and an air door switch for adjusting the wind power in the lower wind cavity is arranged at the position of the pipeline communicated with the lower wind cavity.

6. The biomass pellet combustion device of claim 1, wherein: and a switch plugboard for controlling feeding or material closing is arranged at the feeding port.

7. The biomass pellet combustion device of claim 1, wherein: the ash collecting box is arranged on the hopper, one end of the ash collecting box close to the hopper is formed by a steel wire mesh, and meshes of the steel wire mesh are smaller than the diameter of biomass particles.

8. The biomass pellet combustion device of claim 1, wherein: the inclination angle of the feeding channel is 48-58 degrees.

9. The biomass pellet combustion device of claim 1, wherein: and an opening and closing door for cleaning slag is arranged at the bottom of the right side of the shell.