CN102537938A - Burner for biomass granules with high ash content - Google Patents
Burner for biomass granules with high ash content Download PDFInfo
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- CN102537938A CN102537938A CN201210002130XA CN201210002130A CN102537938A CN 102537938 A CN102537938 A CN 102537938A CN 201210002130X A CN201210002130X A CN 201210002130XA CN 201210002130 A CN201210002130 A CN 201210002130A CN 102537938 A CN102537938 A CN 102537938A
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- combustion chamber
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- burning device
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Abstract
The invention discloses a burner for biomass granules with high ash content. The burner adopts the main structure that a combustion chamber is a long cavity with a flat bottom; the rear part of the combustion chamber is communicated with a feed port through a feed inclined pipe penetrating an air chamber; the front end of the combustion chamber is open; a row of rotatable irregularly-shaped ash push shafts are arranged at the bottom of the combustion chamber; a motor drives a crank below the combustion chamber to sequentially connect two pull rods and enable the two pull rods to perform reciprocating swinging; and the pull rods are connected, and drive the irregularly-shaped ash push shafts to move forwards through a pin shaft and a connecting rod. According to the invention, the rotation movements of the irregularly-shaped ash push shafts are ingeniously combined with multi-stage air distribution, as a result, the problems of over-high volatile substance content in the biomass granules with the high ash content, high possibilities of coking and slag-bonding, air passage blockage and deslagging are solved, the continuous automatic combustion of the biomass granules with the high ash content is realized, and the working performance is stable and reliable.
Description
Technical field
The present invention relates to a kind of burner, refer in particular to a kind of multi-ash biomass particle burning device.
Background technology
In recent decades, along with the increase of atmosphere percent of greenhouse gases concentration, the frequent generation of global warming, glacier thawing and various disasters, people have recognized the importance of clean energy resource, and have begun the research to the high-efficiency cleaning renewable sources of energy.But global research emphasis all is pure fuel, and China has the various agriculture and forestry organic waste materials that are equivalent to 700,000,000 tons of mark coals to be wasted every year, and agriculture and forestry organic waste material is a multi-ash biomass.Therefore studying multi-ash biomass fuel just becomes an important problem.Because the living beings majority is agriculture and forestry organic waste materials such as straw, shrub; Wherein Na, K, Si and other volatile materials are than high tens of times of pure wood chip; And in particle manufacturing process, be mixed with impurity such as dust, the grains of sand; Therefore cinder content is high in the burning, and coking, slagging scorification are serious, are prone to cause burner to stop up.Therefore the burner that uses at present can't be realized efficiently, automatic, continuous burning.According to multi-ash biomass fuel combustion mechanism and characteristic, the burner that development is exclusively used in multi-ash biomass fuel is very necessary and urgent.
Summary of the invention
The technical problem that the present invention will solve provides a kind of multi-ash biomass particle burning device, and this burner develops according to multi-ash biomass fuel combustion mechanism and characteristic.
The technical problem that the present invention will solve is realized by following structure: multi-ash biomass granular fuel combustor; Comprise charging aperture, combustion chamber, air compartment, blower fan, wind hole, motor; It is characterized in that: said combustion chamber is flat microscler cavity, and rear combustion chamber passes air compartment through the feeding inclined tube and connects charging aperture, and chamber front end is uncovered; The bottom, combustion chamber is that the rotating abnormal shape of a row pushes away the ash axle; Crank below the motor-driven combustion chamber connects successively and drives two pull bars does reciprocally swinging, and pull bar connects and pushes away axial preceding rotation of ash through bearing pin, connecting rod driving abnormal shape, and the periphery, combustion chamber is with fan housing.
The present invention also comprises following structure: said abnormal shape pushes away ash axle top and has a wind hole to the fuel air-supply.Both sides, said combustion chamber have secondary air hole.Said air compartment communicates with the below, combustion chamber, and external blower fan.
Operation principle of the present invention: multi-ash biomass particle burning device is sent into granular fuel in the combustion chamber through feeding driven by motor spiral feeder.Motor drives abnormal shape in the bottom, combustion chamber through connecting rod, crank and pushes away the ash axle and in certain angle, rotate, and all abnormal shapes push away the ash axle when rotating simultaneously, have formed the waveform motion in the bottom, combustion chamber.Can transmit the characteristics that power and coking, slagging scorification can be supportted according to ash content, thereby realize lime-ash is released the purpose outside the combustion chamber.The combustion chamber is flat microscler cavity, and its bottom surface pushes away the ash axle by the abnormal shape that can in the certain angle scope, rotate of row to be formed, and adjacent two between centers will have suitable gap, guarantees that abnormal shape pushes away when the ash axle rotates not violate card, and the while lime-ash can not leak down yet.Abnormal shape pushes away once wind hole, ash axle top, both sides, combustion chamber secondary air hole.
Advantage of the present invention:
1, multi-ash biomass particle burning device has been realized the continuous automatic combustion of high ash biomass fuel, can agriculture and forestry organic waste materials such as all straws, shrub be become to fuel and carry out direct energy conversion and utilization.
2, multi-ash biomass particle burning device relies on a plurality of special-shaped axle that constitutes the burner bottom to rotate; The wave that realizes lime-ash travels forward, in addition with the reasonable combination of multipole air distribution, solved the multi-ash biomass volatile matter content too high, be prone to coking and slagging, stop up air channel and deslagging problem; Realized the continuous automatic combustion of high ash biomass fuel; Efficiency of combustion reaches 85-90%, and discharging reaches Europe 3 standards, and stable and reliable working performance.
Description of drawings
Give an actual example to do below in conjunction with accompanying drawing and describe in further detail:
Fig. 1 is the main cutaway view of multi-ash biomass particle burning device.
Fig. 2 is the A-A figure of Fig. 1.
Fig. 3 is the plan view of combustion chamber.
Fig. 4 is the three-dimensional view of combustion chamber.
The specific embodiment
Like Fig. 1, Fig. 3, shown in Figure 4; The combustion chamber 7 of multi-ash biomass particle burning device is flat microscler cavity; 7 rears, combustion chamber are passed air compartment 13 through feeding inclined tube 11 and are connected charging aperture 12, and combustion chamber 7 front ends are uncovered, and 7 bottoms, combustion chamber are that the rotating abnormal shape of a row pushes away ash axle 8.Like Fig. 1, shown in Figure 2, the crank 2 of 7 belows, motor 1 driving combustion chamber connects successively and drives two pull bars 3 does reciprocally swinging, and pull bar 4 connects and pushes away ash axle 8 and rotate forward through bearing pin 5, connecting rod 6 driving abnormal shapes, and 7 peripheries, combustion chamber are with fan housing 10.Like Fig. 1, Fig. 3, shown in Figure 4, abnormal shape pushes away ash axle 8 tops and has a wind hole 15 to the fuel air-supply.7 both sides, combustion chamber have secondary air hole 9.Air compartment 13 communicates with 7 belows, combustion chamber, and external blower fan 14.The cavity back upper place is facing to charging aperture 12, and charging aperture 12 links to each other with air compartment 13 interior feeding inclined tubes 11, gets into combustion chamber 7 through feeding inclined tube 11 granular fuels.7 two sides, combustion chamber some secondary air holes 9 that distribute, the abnormal shape of 7 bottoms, combustion chamber push away on the ash axle 8 and have wind hole 15 one time
Like Fig. 1, shown in Figure 2, after granular fuel is through charging aperture 12, feeding inclined tube 11 entering combustion chambers 7, produce a large amount of lime-ash through burning, lime-ash can influence normal combustion as can not in time discharging.Motor 1 drives crank 2 rotations this moment, and crank 2 drives pull bars 3 reciprocating motions, and pull bar 3 drives pull bars 4 and does reciprocally swinging, and pull bar 4 drives abnormal shape through bearing pin 5, connecting rod 6 and pushes away the rotation forward of grey axle 8.When abnormal shape pushes away ash axle 8 and rotates forward, give one of ash forward thrust and make lime-ash form waveform motion forward.Can transmit the characteristics that power and coking, slagging scorification can be supportted according to ash content, thereby realize ash is released the purpose outside the combustion chamber.Because special-shaped its Shi Buhui that rotates backward of special shape that pushes away ash axle 8 gives ash thrust backward, thereby realize that ash content can only go ahead, can not draw back that it is reliable to have guaranteed to push away ash.
This multi-ash biomass particle burning device can confirm that abnormal shape pushes away velocity of rotation, the frequency of ash axle according to the granular fuel calorific value; Air-supply makes it gasification to blower fan 14 to fuel through a wind hole 15 through air compartment 13 during burning; And blow once more through secondary air hole 9, realize fully burning.This multi-ash biomass particle burning device utilizes air distribution to change the flame status in the combustion chamber 7, makes volatile materials be difficult for stopping up the wind hole.Owing to contain gluey volatile materials in the agriculture and forestry organic waste material; The easy air channel of stopping up, volatilization back can not normally be carried out burning when burning; So the bottom surface in combustion chamber 7 has a wind hole 15 and send wind one time; Secondary air hole 9 is opened in 7 two sides in the combustion chamber, lets escaping gas that wind produces under the formed eddy current state of swiftly flowing secondary wind, realizes abundant continuous burning.
Claims (4)
1. multi-ash biomass particle burning device; Comprise charging aperture, combustion chamber, air compartment, blower fan, wind hole, motor; It is characterized in that: said combustion chamber is flat microscler cavity, and rear combustion chamber passes air compartment through the feeding inclined tube and connects charging aperture, and chamber front end is uncovered; The bottom, combustion chamber is that the rotating abnormal shape of a row pushes away the ash axle; Crank below the motor-driven combustion chamber connects successively and drives two pull bars does reciprocally swinging, and pull bar connects and pushes away axial preceding rotation of ash through bearing pin, connecting rod driving abnormal shape, and the periphery, combustion chamber is with fan housing.
2. multi-ash biomass particle burning device according to claim 1 is characterized in that: said abnormal shape pushes away ash axle top and has a wind hole to the fuel air-supply.
3. multi-ash biomass particle burning device according to claim 1 is characterized in that: both sides, said combustion chamber have secondary air hole.
4. multi-ash biomass particle burning device according to claim 1 is characterized in that: said air compartment communicates with the below, combustion chamber, and external blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002130XA CN102537938A (en) | 2012-01-06 | 2012-01-06 | Burner for biomass granules with high ash content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002130XA CN102537938A (en) | 2012-01-06 | 2012-01-06 | Burner for biomass granules with high ash content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102537938A true CN102537938A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210002130XA Pending CN102537938A (en) | 2012-01-06 | 2012-01-06 | Burner for biomass granules with high ash content |
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| CN (1) | CN102537938A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456587A (en) * | 2014-12-08 | 2015-03-25 | 柳州东侯生物能源科技有限公司 | Ash pushing device of bio-particle furnace |
| CN111140845A (en) * | 2020-01-21 | 2020-05-12 | 胡光 | Wind pipe type automatic slag-discharging combustion device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006266546A (en) * | 2005-03-23 | 2006-10-05 | Kaneko Agricult Mach Co Ltd | Wood pellet fuel combustion system |
| CN201242269Y (en) * | 2008-06-30 | 2009-05-20 | 王黎明 | High-efficiency environment-protective hot-air stove with mobile horizontal reciprocating grate |
| CN102261646A (en) * | 2011-06-15 | 2011-11-30 | 山东多乐采暖设备有限责任公司 | Biomass straw pellet combustor |
-
2012
- 2012-01-06 CN CN201210002130XA patent/CN102537938A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006266546A (en) * | 2005-03-23 | 2006-10-05 | Kaneko Agricult Mach Co Ltd | Wood pellet fuel combustion system |
| CN201242269Y (en) * | 2008-06-30 | 2009-05-20 | 王黎明 | High-efficiency environment-protective hot-air stove with mobile horizontal reciprocating grate |
| CN102261646A (en) * | 2011-06-15 | 2011-11-30 | 山东多乐采暖设备有限责任公司 | Biomass straw pellet combustor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456587A (en) * | 2014-12-08 | 2015-03-25 | 柳州东侯生物能源科技有限公司 | Ash pushing device of bio-particle furnace |
| CN111140845A (en) * | 2020-01-21 | 2020-05-12 | 胡光 | Wind pipe type automatic slag-discharging combustion device |
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Application publication date: 20120704 |