CN203549790U

CN203549790U - Biomass burning device

Info

Publication number: CN203549790U
Application number: CN201320521601.8U
Authority: CN
Inventors: 邓新云; 吴开泰
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-23
Filing date: 2013-08-23
Publication date: 2014-04-16
Anticipated expiration: 2023-08-23

Abstract

A biomass burning device comprises a hearth and a feeding mechanism. The hearth comprises an inner barrel and an outer barrel sleeved on the outside of the inner barrel. The inner space of the inner barrel forms a burning cavity, and a feeding port for biomass fuel to enter is formed in the lateral side of the hearth. The feeding mechanism comprises a hopper, a blanking barrel jointed with the lower opening position of the hopper, a feeding barrel communicating the lower end of the blanking barrel and the feeding port, a feeding screw arranged in the feeding barrel, a feeding motor for driving the feeding screw to rotate, a first baffle penetrating the upper end of the blanking barrel movably, a first cylinder for driving the first baffle to move between the closing position in the blanking barrel and the opening position outside the blanking barrel, a second baffle penetrating the lower end of the blanking barrel movably and a second cylinder for driving the second baffle to move between the closing position in the blanking barrel and the opening position outside the blanking barrel. The device can prevent tempering and blowing off and improves the safety performance.

Description

A kind of biomass combustion device

Technical field

The utility model relates to a kind of biomass combustion device.

Background technology

Biomass particle burning machine is a kind of firing equipment that plant waste is combustion medium of take, and it is widely used in the various heat energy industries such as boiler, die casting machine, industrial furnace, incinerator, smelting furnace, cooking apparatus, drying equipment, food drying equipment, ironing equipment, baking finish unit, highway construction road machinery, industrial annealing furnace, asphalt heating equipment.

Because the combustion medium of biomass combustion device is graininess, its conveying to material is had relatively high expectations, and the material of existing biomass combustion device, when carrying, often there will be tempering and de-fiery phenomenon, and security is lower.

Utility model content

For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of biomass combustion device, and it can avoid the generation of tempering and de-fiery phenomenon, improves the security of biomass combustion device.

For achieving the above object, the utility model adopts following technical scheme:

A biomass combustion device, comprises,

Burner hearth, the urceolus that it comprises inner core and is set in inner core outside, the inwall of inner core is provided with refractory brick, and a combustion chamber of the inner space of inner core formation, and the side opening of burner hearth is provided with a charging aperture entering for confession biomass fuel;

Feed mechanism, it comprises hopper, be connected in the blanking barrel at hopper lower openings place, the feeding cylinder that the bottom of blanking barrel is communicated with charging aperture, be arranged at the feeding spiro rod in feeding cylinder, for the feeding motor that drives feeding spiro rod to rotate, movable cross-under is at the first baffle plate of blanking barrel upper end, for the first cylinder that drives the first baffle plate to move between the closed position in blanking barrel and the open position outside blanking barrel, movable cross-under is at the second baffle of blanking barrel bottom, for driving the second cylinder moving between the closed position of second baffle in blanking barrel and the open position outside blanking barrel.

One reductor is also installed between feeding motor and feeding spiro rod.

The diapire below of hopper is also provided with the vibrating motor of a drive hopper diapire vibration.

This biomass combustion device also comprises and is positioned at feeding cylinder below for lighting the igniter of the biomass fuel of feeding cylinder end.

This biomass combustion device also comprises by an air blast, and the output of this air blast is by pipeline and combustion chamber conducting.

This biomass combustion device also comprises a blower fan, cyclone and showering deduster, the input of blower fan is communicated with the hot blast output of burner hearth, its output is communicated with the input of cyclone, and the hot-air output of cyclone is communicated with the input of showering deduster.

Throughput direction along hot blast between burner hearth and blower fan is connected with hot blast air inducing blower fan and waste heat exchanger in turn.

The external stability of inner core has a plurality of fin, and the plurality of fin is all " Z " shape.

Feed mechanism is arranged on a movable stand.

The beneficial effects of the utility model are:

1, hopper is removable, prevents tempering, strengthens security.

2, hopper is provided with a vibrating motor, by vibration feeding, prevents that material feeding is interrupted;

3, be provided with two and drive respectively baffle plate by two cylinders, for realizing, close feeding, can prevent tempering and de-fire simultaneously;

4, the high-temperature gas producing is more clean, and result of use is better.

5, energy utilization rate is high.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is top view of the present utility model;

Fig. 3 is lateral plan of the present utility model;

Fig. 4 is system architecture schematic diagram of the present utility model;

Wherein: 10, burner hearth; 11, inner core; 12, urceolus; 13, fin; 14, charging aperture; 15, refractory brick; 200, feed mechanism; 210, hopper; 211, blanking barrel; 212, feeding cylinder; 213, vibrating motor; 220, the first cylinder; 221, the first baffle plate; 230, the second cylinder; 231, second baffle; 240, feeding motor; 241, reductor; 242, feeding spiro rod; 30, igniter; 40, air blast; 50, blower fan; 60, cyclone; 70, showering deduster; 80, hot blast air inducing blower fan; 90, waste heat exchanger.

The specific embodiment

Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:

As Fig. 1,2,3,4, the utility model biomass combustion device comprises burner hearth 10, feed mechanism 200, burner hearth 10 comprises inner core 11 and urceolus 12, urceolus 12 is set in the outside of inner core 11, can be according to actual service condition, its the two diameter is set, gap between its two is met the demands, in the cylinder chamber of inner core 11, form one for the combustion chamber of biomass fuel combustion, the side of burner hearth 10 is provided with a charging aperture 14, and feed mechanism 200 is sent to biomass fuel in combustion chamber from charging aperture 14.The outer wall of inner core 11 is provided with a plurality of fin 13, the plurality of fin 13 is surrounded on the outer wall of inner core 11, and it is for distributing the heat of inner core 11 outsides, thus the temperature of reduction burner hearth 10 outsides, in order to reach good radiating effect, fin 13 can be made into " Z " shape.At the inwall of inner core 11, be provided with the refractory brick 15 of high temperature, can prevent the heat transmission that inner core 11 is inside and outside, reduce the loss of heat.

Feed mechanism 200 comprises hopper 210, blanking barrel 211, feeding cylinder 212, wherein, the upper opening of hopper 210 is for putting for biomass fuel, blanking barrel 211 is extended along short transverse, its upper end is connected in the lower openings of hopper 210, one end of feeding cylinder 212 is connected in the lower openings of blanking barrel 211, the other end and is communicated with above-mentioned charging aperture 14, when reinforced, biomass fuel sequentially from via hopper 210, blanking barrel 211, feeding cylinder 212, charging aperture 14, enter into the combustion chamber of inner core 11 inside.Feed mechanism 200 also comprises the feeding spiro rod 242 being arranged in feeding cylinder 212, feeding motor 240 and reductor 241, feeding motor 240 and reductor 241 form a transmission mechanism, it is for driving feeding spiro rod 242 to rotate, feeding spiro rod 242 is when rotating, the biomass fuel of feeding cylinder 212 inside is pushed in inner core 11, realize the sustainable supply of material, and can prevent that biomass fuel is at hopper 210, blanking barrel 211 or feeding cylinder 212 inside are stopped up, assurance burner continues, normal running, a vibrating motor 213 can also be installed below the diapire of above-mentioned hopper 210, this vibrating motor 213 is for driving the diapire vibration of hopper 210, prevent that material is stuck in the lower openings place of hopper 210, further guarantee that burner continues, normal running.

In addition, feed mechanism 200 of the present utility model also comprises the first baffle plate 221, the first cylinder 220, second baffle 231, the second cylinder 230, wherein the cross-under of the first baffle plate 221 activities is in the upper end of blanking barrel 211, the first cylinder 220 is for driving the motion of the first baffle plate 221 levels, that is to say, this first cylinder 220 is for driving the first baffle plate 221 to move between the closed position in blanking barrel 211 and the open position outside blanking barrel 211.The cross-under of second baffle 231 activities is in the bottom of blanking barrel 211, same as described above, and the second cylinder 230 is for driving second baffle 231 to move between the closed position in blanking barrel 211 and the open position outside blanking barrel 211.When burning is carried out, by the first cylinder 220, drive the first baffle plate 221 motions, to realize, close feeding, the second cylinder 230 drives second baffle 231 to block in the bottom of blanking barrel 211, for blanking barrel 211 and feeding cylinder 212 are separated, thereby prevent tempering and de-fire.

Feed mechanism 200 of the present utility model can be arranged on a movable stand, thereby can make feed mechanism 200 move with respect to burner hearth 10, further prevents from tempering from having increased security.

Biomass combustion device of the present utility model also comprises and is positioned at feeding cylinder 212 belows for lighting the igniter 30 of the biomass fuel of feeding cylinder 212 ends.

Biomass combustion device of the present utility model also comprises by an air blast 40, and the output of this air blast 40, by pipeline and combustion chamber conducting, to combustion chamber internal feed air, guarantees normally carrying out of burning for continual.

Biomass combustion device of the present utility model also comprises a blower fan 50, cyclone 60 and showering deduster 70, the input of blower fan 50 is communicated with the hot blast output of burner hearth 10, its output is communicated with the input of cyclone 60, and the hot-air output of cyclone 60 is communicated with the input of showering deduster 70.The utility model in use, under the effect of pumping of the hot-air being produced in burner hearth 10 internal-combustions by biomass fuel at blower fan 50, enter into cyclone 60, inner through preliminary dust removal process at cyclone 60, remove the larger dust granules of volume in hot-air, the hot-air of processing through rough dusting is admitted to showering deduster 70 through further dust removal process, produce comparatively clean hot-air for.

In addition, throughput direction along hot blast between burner hearth 10 and blower fan 50 is connected with hot blast air inducing blower fan 80 and waste heat exchanger 90 in turn, wherein hot blast air inducing blower fan 80 draws and delivers in baking oven by the hot blast in burner hearth 10, for baking vanish, remaining flue dust enters into waste heat exchanger 90 through piping, for other device heat supplies, last remaining flue dust is done dust removal process by cyclone 60 and showering deduster 70 again.

To one skilled in the art, can make other various corresponding changes and deformation according to technical scheme described above and design, and within these all changes and deformation all should belong to the protection domain of the utility model claim.

Claims

1. a biomass combustion device, is characterized in that, comprise,

2. biomass combustion device as claimed in claim 1, is characterized in that, a reductor is also installed between feeding motor and feeding spiro rod.

3. biomass combustion device as claimed in claim 1, is characterized in that, the diapire below of hopper is also provided with the vibrating motor of a drive hopper diapire vibration.

4. biomass combustion device as claimed in claim 1, is characterized in that, this biomass combustion device also comprises and is positioned at feeding cylinder below for lighting the igniter of the biomass fuel of feeding cylinder end.

5. biomass combustion device as claimed in claim 1, is characterized in that, this biomass combustion device also comprises by an air blast, and the output of this air blast is by pipeline and combustion chamber conducting.

6. biomass combustion device as claimed in claim 1, it is characterized in that, this biomass combustion device also comprises a blower fan, cyclone and showering deduster, the input of blower fan is communicated with the hot blast output of burner hearth, its output is communicated with the input of cyclone, and the hot-air output of cyclone is communicated with the input of showering deduster.

7. biomass combustion device as claimed in claim 6, is characterized in that, the throughput direction along hot blast between burner hearth and blower fan is connected with hot blast air inducing blower fan and waste heat exchanger in turn.

8. biomass combustion device as claimed in claim 1, is characterized in that, the external stability of inner core has a plurality of fin, and the plurality of fin is all " Z " shape.

9. biomass combustion device as claimed in claim 1, is characterized in that, feed mechanism is arranged on a movable stand.