CN204438095U - A kind of biomass granule fuel combustor - Google Patents
A kind of biomass granule fuel combustor Download PDFInfo
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- CN204438095U CN204438095U CN201420787340.9U CN201420787340U CN204438095U CN 204438095 U CN204438095 U CN 204438095U CN 201420787340 U CN201420787340 U CN 201420787340U CN 204438095 U CN204438095 U CN 204438095U
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Abstract
The utility model discloses a kind of biomass granule fuel combustor, comprise housing, conveying system, burner and main air blower, the output of the homocline auger of described conveying system connects pusher auger, the output of pusher auger is connected with burner, described burner comprises a horizontally disposed double-decker cylinder, the inner chamber of inner core forms granular fuel combustion chamber, between inner core and urceolus, cavity forms wind pushing cavity, wind pushing cavity is connected with main air blower, and the barrel of inner core is provided with the wind pushing hole being communicated with combustion chamber and wind pushing cavity.The particle fuel combustion device that it efficiently solves prior art can not realize balanced feeding, affect the problem of burner stable fire, also the burner efficiency of combustion solving prior art is low, the problem that soot emissions are large, the utility model structure is simple, stable fire, efficiency of combustion is high and soot emissions are few, can meet the use of various application occasions, has very high practical value.
Description
Technical field
The utility model relates to field of renewable energy technology, is specifically related to a kind of biomass granule fuel combustor.
Background technology
Biomass granule fuel is a kind of biomass solid formed fuel, there is efficient, clean, the easy advantage such as igniting, CO2 near-zero release, the fossil fuels such as alternative coal are applied to the civil area such as cooking, heating and the industrial circle such as boiler combustion, generating, obtain and develop rapidly in recent years in European Union, North America, China; Another large advantage of biomass granule fuel to be applied in miniature boiler, hot-blast stove, heating stove, realizes automatic ignition and continuous automatic combustion by adopting particle fuel combustion device.The particle fuel combustion device of prior art all adopts screw conveyer device that granular fuel is sent into combustion chamber from hopper, but due to granular fuel self inhomogeneities and easily there is the reasons such as caking, common screw conveyer device can not realize the object of balanced feeding, easily affect the stable of burner firepower, the occasion that stable fire is had higher requirements cannot be met.On the other hand, the particle fuel combustion device of prior art adopts and simply directly blows air supply method to meet oxygen supply requirement during granular fuel burning, but this method air is shorter in the time of staying of combustion chamber, fuel cannot be fully burned and be blown combustion chamber, not only reduce efficiency of combustion, and the flue dust that the burning increased produces, increase environmental pollution.Publication date is on April 9th, 2014, publication number be CN203533530U patent document discloses a kind of biomass granular fuel combustor, include feed system, air feed system and combustion head, described feed system comprises being connected in frame and being provided with expects import and the horizontal charge pipe of expecting outlet, be arranged on the feeding packing auger in horizontal charge pipe, to be connected in frame and to drive the reducing motor of feeding packing auger rotary feeding in horizontal charge pipe, and be connected to the hopper of material inlet communication of in frame and bottom and horizontal charge pipe, described air feed system comprises the blower fan be connected in frame and the horizontal blast pipe be communicated with the air outlet of blower fan, described horizontal charge pipe is positioned at the inside of horizontal blast pipe, and parallelly with horizontal blast pipe to arrange in the same way.This biomass granular fuel combustor adopts single horizontal screw conveyer device that granular fuel is sent into combustion chamber from hopper, therefore the object of balanced feeding cannot be realized, in addition, this biomass granular fuel combustor adopts and simply directly blows air supply method to meet oxygen supply requirement during granular fuel burning, therefore the burning of fuel is abundant not, not only reduce efficiency of combustion, and add soot emissions.Publication date is on January 15th, 2014, publication number be CN103512028A patent document discloses a kind of cyclone centrifugal ash removing type biomass granular fuel combustor, it by just firing room, revolve combustion Deng Liangge combustion chamber, room and form, be tangentially connected by wedge type flame runner between two Room.That to be bottom be in first combustion room is tapered, top is the cavity of column type, and the combustion cup bottom it is communicated with feed bin by conveying worm, and its upper end is sealing; To revolve combustion room be also tapered, top in bottom is the cavity of column type, and its top is high temperature crater, and bottom is connected with Dust Storage Room.In the structure shown here, the ash content produced on combustion cup top is subject to blowing of powerful primary and secondary air, and flame forms High Rotation Speed flame after entering and revolving combustion room, is thrown away away by ash content by centrifugal force.This burner utilizes wind-force blowout is just fired room and form swirling eddy above burned flame, utilizes centrifugal force to make ash content fall into Dust Storage Room, eliminates special ash removing mechanism.This burner directly blows outside air supply method requires to oxygen supply when meeting granular fuel burning adopting first combustion room, also be provided with the ash content that cyclone chamber produces for removing burning, but this setting can only reduce the ash content discharge rate of bocca, cannot improve the efficiency of combustion of fuel.
Utility model content
The purpose of this utility model is that the particle fuel combustion device solving prior art can not realize balanced feeding, affect the stable fire of burner, the problem that various application occasions requires cannot be met, there is provided a kind of structure simple, stable fire, can meet the biomass granule fuel combustor that various application occasions requires.
Another object of the present utility model is that the particle fuel combustion device efficiency of combustion solving prior art is low, the problem that soot emissions are large, environmental pollution is serious, there is provided that a kind of structure is simple, efficiency of combustion is high, the biomass granule fuel combustor that soot emissions are few, environmental pollution is little.
The utility model is the concrete technical scheme solving the problems of the technologies described above employing: a kind of biomass granule fuel combustor, comprise housing, conveying system, burner and main air blower, the homocline auger that described conveying system comprises hopper and is connected with hopper outlet, the output of homocline auger by the blanking channel that vertically arranges be arranged on pusher auger below homocline auger and parallel up and down with homocline auger and be connected, the output of pusher auger is connected with burner, described burner is arranged on hull outside, comprise a horizontally disposed double-decker cylinder, inner core and the urceolus of described cylinder are coaxially arranged, the rear end of inner core is provided with end plate, the top of end plate is provided with charging hole, the output of pusher auger is connected with charging hole, the bottom of end plate is provided with lighting-up tuyere, the rear side of lighting-up tuyere is provided with igniter, the front end of inner core is provided with bocca, the inner chamber of inner core forms granular fuel combustion chamber, between inner core and urceolus, cavity forms wind pushing cavity, described wind pushing cavity is closed near the front end of inner core bocca, the rear end of wind pushing cavity is connected with described main air blower by an air intake box, the barrel of inner core is provided with the wind pushing hole being communicated with combustion chamber and wind pushing cavity, homocline auger and pusher auger are driven by same drive motors, drive motors is connected with homocline auger and pusher auger by gear drive.During combustor work of the present utility model, granular fuel falls into homocline auger from hopper, and homocline auger is sent after forming block granular fuel extruding dispersion, enters in vertically disposed blanking channel.Blanking channel plays cushioning effect between homocline auger and pusher auger, granular fuel enters pusher auger through blanking channel, what pusher auger obtained is relative distribution, uniform granular fuel, and therefore pusher auger can provide balanced granular fuel for combustion chamber.In an initial condition, after granular fuel enters combustion chamber, igniter work is ignited, thereafter combustor normally works, granular fuel is sent into combustion chamber continuously, the wind of main air blower blowout is through airduct, air intake box arrives wind pushing cavity, and by wind pushing hole that inner tube wall is arranged for combustion chamber provides enough air, and the flame that granular fuel burning produces sprays from bocca, the utility model adopts two augers be arranged in parallel up and down jointly to complete the transportation work of granular fuel, after the granular fuel fallen from hopper enters homocline auger, under the stirring action of homocline auger and the cushioning effect of vertically disposed blanking channel, because the problem that granular fuel caking etc. causes charging uneven is resolved, pusher auger below homocline auger can provide balanced fuel for burner, the burning of burner is made to be able to equilibrium, carry out continuously, the particle fuel combustion device solving prior art can not realize balanced feeding, thus affect the stable fire of burner, the problem that various application occasions requires cannot be met.
As preferably, biomass granule fuel combustor also comprises control device and chamber temperature sensor, and described control device connects chamber temperature sensor, homocline auger, pusher auger, igniter and main air blower.Control device monitors the duty of combustion chamber by chamber temperature sensor, and controls the running parameter of the relevant devices such as homocline auger, pusher auger and main air blower according to the working condition of combustion chamber, makes combustion chamber keep a certain stable duty; The burner that the utility model is horizontally installed on hull outside can conveniently dock with the fiery equipment of various use.
As preferably, the diameter of homocline auger is identical with pusher auger, and the rotating speed of homocline auger is 1.15 to 1.2 times of pusher auger.Because granular fuel may occur the situations such as caking after storage, therefore there is the situation of inlet amount inequality in granular fuel when falling into homocline auger, some time inlet amount may be on the low side, therefore in order to ensure balanced charging, the rotating speed of homocline auger is larger than pusher auger, granular fuel can be solved so to a certain extent to lump the inlet amount problem on the low side caused, realize the object of balanced feeding.
As preferably, helical form partition is provided with in wind pushing cavity, adjacent helical form partition and the barrel of inner core and urceolus form the spiral duct around inner core, described spiral duct is 2-4 bar, the air intake of spiral duct connects air intake box, the endcapped of spiral duct, the air supply direction of described wind pushing hole is in the tangential direction of inner core circumference, and wind pushing hole distribution density increases gradually from spiral duct air intake to the end of spiral duct.Wind pushing cavity is separated into the spiral duct of 2-4 bar around inner core, like this, when main air blower is wind pushing cavity air feed by air intake box, air-flow will rotate in the shape of a spiral around inner core, like this, fresh air is from after the wind pushing hole inner tube wall enters combustion chamber, the swirling eddy around burning can be formed, the flow path of air-flow is increased, extend with the time of contact of fuel, oxygen in air is fully utilized, make granular fuel Thorough combustion, thus improve the efficiency of combustion of granular fuel, reduce the discharge of flue dust simultaneously, the particle fuel combustion device efficiency of combustion solving prior art is low, soot emissions are large, the problem that environmental pollution is serious.And wind pushing hole distribution density increases gradually from spiral duct air intake to the end of spiral duct, the air quantity of section before and after combustion chamber can be made even, be conducive to improving efficiency of combustion.
As preferably, the inwall of inner core is provided with protruding helical form rib, and the position of helical form rib is corresponding with helical form partition, and the height of projection of helical form rib is 11 to 15 millimeters.The inwall of inner core arranges helical form rib corresponding with helical form partition, can air-flow be guided further to rotate in the shape of a spiral in combustion chamber, the flow path of air-flow is increased, extend with the time of contact of fuel, simultaneously due to aflame granular fuel lighter in weight, swirling eddy can promote the granular fuel in combustion chamber to a certain extent, it is made to occur integral-rotation or upset, reach the effect of the granular fuel constantly stirred in combustion chamber, the granular fuel in combustion chamber can be made so fully to contact with air equably, be fully burned, thus improve the combustion rate of granular fuel, the discharge of flue dust can be reduced simultaneously.
As preferably, the airduct of blower fan is connected with auxiliary airduct, auxiliary airduct connects pusher auger, and the airflow direction in pusher auger is consistent with the feed direction of pusher auger.Main air blower is positioned at the granular fuel of the pusher auger port of export by assisting airduct to provide certain air quantity can prevent the high temperature of combustion chamber from igniting to pusher auger.
As preferably, described igniter comprises ignition and igniting blower fan, the air outlet tie point burner of igniting blower fan.The heater of ignition is arranged at lighting-up tuyere place, heating igniting particles fuel after energising, igniting blower fan provides enough air for ignition igniting particles fuel, after usual granular fuel ignites, ignition quits work, and blower fan of lighting a fire can work on as combustion chamber air feed, the ashes choke point burner after granular fuel simultaneously also can be avoided to burn.
As preferably, the corner, bottom of housing is provided with four universal wheels, is provided with elevation and subsidence regulating device between universal wheel and the bottom of housing.Universal wheel coordinates with elevation and subsidence regulating device can make combustor of the present utility model be applicable to various application occasions, and the convenient combination with relevant device be separated.
The beneficial effects of the utility model are: the particle fuel combustion device that it efficiently solves prior art can not realize balanced feeding, affect the stable fire of burner, the problem that various application occasions requires cannot be met, also the particle fuel combustion device efficiency of combustion solving prior art is low, the problem that soot emissions are large, environmental pollution is serious, the utility model structure is simple, stable fire, efficiency of combustion is high and soot emissions are few, the use of various application occasions can be met, there is very high practical value.
Accompanying drawing explanation
Fig. 1 is a kind of contour structures schematic diagram of the utility model biomass granule fuel combustor;
Fig. 2 is the inner perspective view of one of the present utility model;
Fig. 3 is the inner perspective view of one of the present utility model;
Fig. 4 is a kind of internal structure schematic diagram of the present utility model;
Fig. 5 is the right TV structure schematic diagram of one of Fig. 4;
Fig. 6 is the left TV structure schematic diagram of one of Fig. 4;
Fig. 7 is a kind of structure sectional view of the utility model burner;
Fig. 8 is the another kind of structure sectional view of the utility model burner;
Fig. 9 is the another a kind of structure sectional view of the utility model burner.
In figure: 1. housing, 2. main air blower, 3. hopper, 4. homocline auger, 5. blanking channel, 6. pusher auger, 7. burner, 8. inner core, 9. urceolus, 10. end plate, 11. charging holes, 12. lighting-up tuyeres, 13. boccas, 14. combustion chambers, 15. wind pushing cavities, 16. air intake boxes, 17. wind pushing holes, 24. drive motors, 25. gear drives, 26. helical form partitions, 27. helical form ribs, 32. ignitions, 33. igniting blower fans, 34. universal wheels.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings detailed description of the invention of the present utility model is described further.
Embodiment 1
In the embodiment 1 such as shown in Fig. 1 Fig. 2, a kind of biomass granule fuel combustor, comprises housing 1, conveying system, burner and main air blower 2, and the corner, bottom of housing is provided with four universal wheels 34, is provided with elevation and subsidence regulating device between universal wheel and the bottom of housing.The homocline auger 4 that described conveying system comprises hopper 3 and is connected with hopper outlet, the output of homocline auger by the blanking channel 5 that vertically arranges be arranged on pusher auger 6 below homocline auger and parallel up and down with homocline auger and be connected, the output of pusher auger is connected with burner 7, described burner is arranged on hull outside, comprise a horizontally disposed double-decker cylinder, inner core 8 and the coaxially arranged (see figure 7) of urceolus 9 of described cylinder, the rear end of inner core is provided with end plate 10, the top of end plate is provided with charging hole 11(and sees Fig. 5), the output of pusher auger is connected with charging hole, the bottom of end plate is provided with lighting-up tuyere 12, the rear side of lighting-up tuyere is provided with igniter, igniter comprises ignition 32 and igniting blower fan 33(is shown in Fig. 3), the air outlet tie point burner of igniting blower fan, the front end of inner core is provided with bocca 13, the inner chamber of inner core forms granular fuel combustion chamber 14, between inner core and urceolus, cavity forms wind pushing cavity 15, described wind pushing cavity is closed near the front end of inner core bocca, the rear end of wind pushing cavity is connected with described main air blower by an air intake box 16, the barrel of inner core is provided with the wind pushing hole 17 being communicated with combustion chamber and wind pushing cavity, described biomass granule fuel combustor also comprises control device and chamber temperature sensor, described control device connects chamber temperature sensor, homocline auger, pusher auger, igniter and main air blower.The airduct of main air blower is connected with auxiliary airduct, and auxiliary airduct connects pusher auger, and the airflow direction in pusher auger is consistent with the feed direction of pusher auger.Homocline auger and pusher auger drive (see figure 4) by same drive motors 24, and drive motors is connected with homocline auger and pusher auger (not drawing see driving-chain in Fig. 6, figure) by gear drive 25.
Embodiment 2
The diameter of the homocline auger of embodiment 2 is identical with pusher auger, and the rotating speed of homocline auger is 1.15 times of pusher auger, and all the other are identical with embodiment 1.
Embodiment 3
Be provided with helical form partition 26(in the wind pushing cavity of embodiment 3 and see Fig. 8), adjacent helical form partition and the barrel of inner core and urceolus form the spiral duct around inner core, described spiral duct is 2, the air intake of spiral duct connects air intake box, the endcapped of spiral duct, the air supply direction of described wind pushing hole is in the tangential direction of inner core circumference, and wind pushing hole distribution density increases gradually from spiral duct air intake to the end of spiral duct, and all the other are identical with embodiment 1 or embodiment 2.
Embodiment 4
The inwall of the inner core of embodiment 4 is provided with 4 protruding helical form rib 27(and sees Fig. 9), the position of helical form rib is corresponding with 4 the helical form partitions arranged in wind pushing cavity, and the height of projection of helical form rib is 12 millimeters, and all the other are identical with embodiment 3.
When biomass granule fuel combustor of the present utility model uses, granular fuel falls into homocline auger from hopper, and homocline auger is sent after forming block granular fuel extruding dispersion, enters in vertically disposed blanking channel.Blanking channel plays cushioning effect between homocline auger and pusher auger, granular fuel enters pusher auger through blanking channel, what pusher auger obtained is relative distribution, uniform granular fuel, and therefore pusher auger can provide balanced granular fuel for combustion chamber.In an initial condition, after granular fuel enters combustion chamber, igniter work is ignited, thereafter combustor normally works, granular fuel is sent into combustion chamber continuously, the wind of main air blower blowout is through airduct, air intake box arrives wind pushing cavity, and by wind pushing hole that inner tube wall is arranged for combustion chamber provides enough air, and the flame that granular fuel burning produces sprays from bocca, control device monitors the duty of combustion chamber by chamber temperature sensor, and control homocline auger according to the working condition of combustion chamber, the running parameter of the relevant devices such as pusher auger and main air blower, combustion chamber is made to keep a certain stable duty.The utility model structure is simple, and stable fire, efficiency of combustion is high and soot emissions are few, can meet the use of various application occasions, has very high practical value.
Claims (8)
1. a biomass granule fuel combustor, comprise housing (1), conveying system, burner and main air blower (2), it is characterized in that, the homocline auger (4) that described conveying system comprises hopper (3) and is connected with hopper outlet, the output of homocline auger by the blanking channel (5) that vertically arranges be arranged on pusher auger (6) below homocline auger and parallel up and down with homocline auger and be connected, the output of pusher auger is connected with burner (7), described burner is arranged on hull outside, comprise a horizontally disposed double-decker cylinder, the inner core (8) of described cylinder is coaxially arranged with urceolus (9), the rear end of inner core is provided with end plate (10), the top of end plate is provided with charging hole (11), the output of pusher auger is connected with charging hole, the bottom of end plate is provided with lighting-up tuyere (12), the rear side of lighting-up tuyere is provided with igniter, the front end of inner core is provided with bocca (13), the inner chamber of inner core forms granular fuel combustion chamber (14), between inner core and urceolus, cavity forms wind pushing cavity (15), described wind pushing cavity is closed near the front end of inner core bocca, the rear end of wind pushing cavity is connected with described main air blower by an air intake box (16), the barrel of inner core is provided with the wind pushing hole (17) being communicated with combustion chamber and wind pushing cavity, homocline auger and pusher auger are driven by same drive motors (24), drive motors is connected with homocline auger and pusher auger by gear drive (25).
2. biomass granule fuel combustor according to claim 1, it is characterized in that, described biomass granule fuel combustor also comprises control device and chamber temperature sensor, and described control device connects chamber temperature sensor, homocline auger, pusher auger, igniter and main air blower.
3. biomass granule fuel combustor according to claim 1, is characterized in that, the diameter of homocline auger is identical with pusher auger, and the rotating speed of homocline auger is 1.15 to 1.2 times of pusher auger.
4. biomass granule fuel combustor according to claim 1, it is characterized in that, helical form partition (26) is provided with in described wind pushing cavity, adjacent helical form partition and the barrel of inner core and urceolus form the spiral duct around inner core, described spiral duct is 2-4 bar, the air intake of spiral duct connects air intake box, the endcapped of spiral duct, the air supply direction of described wind pushing hole is in the tangential direction of inner core circumference, and wind pushing hole distribution density increases gradually from spiral duct air intake to the end of spiral duct.
5. biomass granule fuel combustor according to claim 1, it is characterized in that, the inwall of described inner core is provided with protruding helical form rib (27), and the position of helical form rib is corresponding with helical form partition, and the height of projection of helical form rib is 11 to 15 millimeters.
6. biomass granule fuel combustor according to claim 1, is characterized in that, the airduct of main air blower is connected with auxiliary airduct, and auxiliary airduct connects pusher auger, and the airflow direction in pusher auger is consistent with the feed direction of pusher auger.
7. the biomass granule fuel combustor according to any one of claim 1-6, is characterized in that, igniter comprises ignition (32) and igniting blower fan (33), the air outlet tie point burner of igniting blower fan.
8. the biomass granule fuel combustor according to any one of claim 1-6, is characterized in that, the corner, bottom of housing is provided with four universal wheels (34), is provided with elevation and subsidence regulating device between universal wheel and the bottom of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787340.9U CN204438095U (en) | 2014-12-12 | 2014-12-12 | A kind of biomass granule fuel combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420787340.9U CN204438095U (en) | 2014-12-12 | 2014-12-12 | A kind of biomass granule fuel combustor |
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| Publication Number | Publication Date |
|---|---|
| CN204438095U true CN204438095U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420787340.9U Expired - Fee Related CN204438095U (en) | 2014-12-12 | 2014-12-12 | A kind of biomass granule fuel combustor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524133A (en) * | 2016-10-26 | 2017-03-22 | 崔相龙 | Rotary type burner |
| CN106765053A (en) * | 2017-01-14 | 2017-05-31 | 陈罡 | A kind of biomass fuel burner |
| CN108534132A (en) * | 2018-04-21 | 2018-09-14 | 云南名泽烟草机械有限公司 | A kind of burner |
| CN114060818A (en) * | 2021-11-22 | 2022-02-18 | 福建永恒能源管理有限公司 | Combustor suitable for low-heat-value gas and powder combustion |
-
2014
- 2014-12-12 CN CN201420787340.9U patent/CN204438095U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524133A (en) * | 2016-10-26 | 2017-03-22 | 崔相龙 | Rotary type burner |
| CN106765053A (en) * | 2017-01-14 | 2017-05-31 | 陈罡 | A kind of biomass fuel burner |
| CN108534132A (en) * | 2018-04-21 | 2018-09-14 | 云南名泽烟草机械有限公司 | A kind of burner |
| CN114060818A (en) * | 2021-11-22 | 2022-02-18 | 福建永恒能源管理有限公司 | Combustor suitable for low-heat-value gas and powder combustion |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20211212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |