CN106568080A - Tangential feeding biomass combustor - Google Patents
Tangential feeding biomass combustor Download PDFInfo
- Publication number
- CN106568080A CN106568080A CN201510650008.7A CN201510650008A CN106568080A CN 106568080 A CN106568080 A CN 106568080A CN 201510650008 A CN201510650008 A CN 201510650008A CN 106568080 A CN106568080 A CN 106568080A
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- Prior art keywords
- air
- heater
- tangential
- charging aperture
- biomass burner
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Abstract
The invention relates to a combustor device, in particular to a tangential feeding biomass combustor. The tangential feeding biomass combustor comprises a furnace body, a feeding system, an air distribution system and a smoke removing and purifying system. The furnace body is cylindrical, a high-temperature smoke outlet is formed in the upper end of the furnace body in the tangential direction, a feed port is formed in the lower end of the furnace body in the tangential direction, the high-temperature smoke outlet is connected with the smoke removing and purifying system, and the feed port is connected with the feeding system. A bottom protrusion structure is arranged on the bottom of a combustion chamber in the furnace body. An air inlet annular gap is formed between the bottom protrusion structure and the lower end of the furnace body. A plurality of air inlets communicating with the air inlet annular gap are formed in the lower end of the furnace body in the circumferential direction. The air distribution system is arranged on the outer sides of the multiple air inlets and communicates with the bottom of the combustion chamber through the multiple air inlets. The tangential feeding biomass combustor adopts tangential feeding, tangential air in and tangential air out, and it is guaranteed that fuels spirally ascend in the combustion chamber and the fuels are combusted sufficiently.
Description
Technical field
The present invention relates to a kind of burner apparatus, specifically a kind of biomass burner of tangential feed.
Background technology
It is well known that biomass fuel has recyclability, low stain, the net discharge capacity of sulfur dioxide is near
Zero is similar to, can effectively mitigate atmosphere pollution.Therefore biomass burning burner gradually replaces in recent years combustion
Coal burner.But biomass fuel (rice husk) has in nature very big difference with coal：Such as per kilogram
The calorific capacity of rice husk is half of standard coal or so, and the volume for sending rice husk needed for same heat is standard coal
10-12 times；In burning velocity, rice husk is inflammable and burning-point is low, and its volatile combustion speed is standard
2.3 times of coal.According to these characteristics, the rice husk into combustion chamber is accomplished by enough volume and ventilation
Amount, draws, the air quantity of air blast supply must make rice husk in suspended state with rice husk comprehensive engagement,
Can guarantee that burning is abundant.If the rice husk into combustion chamber is very few, the heat needed for production is not just reached.
As can be seen here, the unit interval is pass that burner reaches peak efficiency into the fuel quantity and air quantity of combustion chamber
Key.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of biomass burner of tangential feed.
To achieve these goals, the present invention is employed the following technical solutions：
A kind of biomass burner of tangential feed, including body of heater, feed system, blowing system and flue gas
Dust separation system, wherein body of heater are cylinder, and top and bottom are tangentially respectively equipped with high temperature
Exhanst gas outlet and charging aperture, the high-temperature flue gas outlet is connected with the flue-gas dust removal and purification system, described
Charging aperture is connected with the feed system, and the bottom of the body of heater inner combustion chamber is provided with bottom protrusion structure,
Air intake annular space, the lower end edge of the body of heater are provided between the bottom protrusion structure and the lower end of the body of heater
Multiple air inlets connected with the air intake annular space are circumferentially with, the blowing system is arranged at multiple described
The outside of air inlet is simultaneously connected by multiple air inlets with the bottom of the combustion chamber.
The blowing system includes air blast and air sparger, and the air sparger is arranged at the stove
The lower end periphery of body simultaneously forms annular passage between the body of heater, and multiple air inlets are located at the ring
In shape air channel, blast orifice is tangentially provided with the charging aperture opposite side on the air sparger,
The air blast is arranged at the blast orifice, the air blast direction of the air blast and entering for the feed system
Material is in opposite direction.
The bottom protrusion structure is cone, and the charging aperture is located at the top of the cone.
The high-temperature flue gas outlet and charging aperture are located at the homonymy of the body of heater, the charging side of the charging aperture
To the smoke evacuation direction with the high-temperature flue gas outlet along same rotation direction direction.
Heat-insulation layer is provided with the outside of the body of heater and air sparger.
The feed system includes conveying pipeline, wind power transmission device, star-like discharging device and storage bin, its
One end of middle conveying pipeline is connected with the charging aperture, and other end end is provided with wind power transmission device, described
Position on conveying pipeline near the wind power transmission device is provided with through hole, and above the through hole storing is provided with
Storehouse, the storage bin is connected with the through hole by star-like discharging device.
The wind power transmission device is air blast, and the motor of the star-like discharging device is equipped with frequency converter.
The flue-gas dust removal and purification system include be sequentially communicated expansion chamber, heat exchanger, dust removal filter and
Chimney, the expansion chamber is connected with the high-temperature flue gas outlet, is provided with hot blast at the top of the heat exchanger and is gone out
Mouthful.
Air-introduced machine is provided between the dust removal filter and chimney.
The high-temperature flue gas outlet is connected with the upper end of the expansion chamber, and the lower end of the expansion chamber is provided with heavy
Drop room shoot door.
Advantages of the present invention and beneficial effect are：
1. the present invention increases bottom pyramidal bossing in conventional burners, to ensure critical boiling state
Scope it is sufficiently wide, be conducive to produce stability and continuity.
2. the present invention realizes rice husk from warehouse directly to the totally-enclosed defeated of burner with pneumatic conveying mode
Send.Simple to operation, clean hygiene alleviates the labour intensity of fireman, it is ensured that combustion process
Serialization and automation.
3. the present invention is a kind of combustion apparatus with air as medium, with biomass as fuel, function admirable,
It is safe and reliable without pressure operation.
4. the present invention provides abundance due to there is two air blasts to work simultaneously for the indoor combusting rice hull of burning
Oxygen, so burning is more fully, thus the ashes after combusting rice hull are seldom, reduce fireman to heavy
The deashing number of times of drop room.
5. the present invention adopts tangential feed, tangent line air intake, tangent line air-out, it is ensured that fuel is in the indoor spiral shell of burning
Liter is screwed on, the abundant after-flame of fuel is made.
6. the biomass fuel of the present invention is rice husk, is directly burnt without any process, reduces fuel cost.
7. hot blast temperature of the present invention can be realized automatically controlling, and temperature to exceed and can be automatically stopped feed after the upper limit,
Temperature keeps hot blast temperature relatively stable, it is ensured that production safety stable operation less than Automatic-feeding after lower limit.
8. the rice hull ash that fuel combusting rice hull of the present invention is produced can be used as fertilizer, insulation material etc., realize agriculture
The recycling of industry discarded object, develops a circular economy, and reduces environmental pollution.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of body of heater in the present invention.
Wherein：1 is air blast, and 2 is air sparger, and 3 is conveying pipeline, and 4 is wind power transmission device,
5 is star-like discharging device, and 6 is storage bin, and 7 is combustion chamber, and 8 is high-temperature flue gas outlet, and 9 is expansion chamber,
10 is expansion chamber shoot door, and 11 is heat exchanger, and 12 is dust removal filter, and 13 is air-introduced machine, and 14 is cigarette
Chimney, 15 is hot-blast outlet, and 16 is body of heater, and 17 is heat-insulation layer, and 18 is air inlet, and 19 is bottom protrusion
Structure, 20 is charging aperture, and 21 is blast orifice.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As shown in Figure 1-2, a kind of biomass burner of tangential feed that the present invention is provided, including body of heater
16th, feed system, blowing system and flue-gas dust removal and purification system, wherein body of heater 16 are vertical type cylinder shape,
And top and bottom are tangentially respectively equipped with high-temperature flue gas outlet 8 and charging aperture 20, the high temperature cigarette
Gas outlet 8 is connected with the flue-gas dust removal and purification system, and the charging aperture 20 is connected with the feed system,
It is combustion chamber 7 in the body of heater 16, the bottom of the combustion chamber 7 is provided with bottom protrusion structure 19, described
Air intake annular space is provided between the lower end of bottom protrusion structure 19 and the body of heater 16, under the body of heater 16
Hold circumferentially arranged with multiple air inlets 18 connected with the air intake annular space, outside multiple air inlets 18
Side is provided with the blowing system, and the blowing system is by multiple air inlets 18 and the combustion chamber 7
Bottom connection.
The blowing system includes air blast 1 and air sparger 2, and the air sparger 2 is arranged at institute
State the lower end periphery of body of heater 16 and annular passage, multiple air intakes are formed between the body of heater 16
Mouth 18 is located in the annular passage, with the opposite side edge of the charging aperture 20 on the air sparger 2
Tangential direction is provided with blast orifice 21, and the air blast 1 is arranged at the blast orifice 21, the air blast 1
Air blast direction with the feedstock direction of the feed system conversely, and along same rotation direction direction.
The bottom protrusion structure 19 is cone, and the charging aperture 20 is located at the top of the cone.
The high-temperature flue gas outlet 8 and charging aperture 20 are located at the homonymy of the body of heater 16, the charging aperture 20
Feedstock direction is with the smoke evacuation direction of the high-temperature flue gas outlet 8 along same rotation direction direction.The body of heater 16
Heat-insulation layer 17 is provided with the outside of air sparger 2.
The feed system includes conveying pipeline 3, wind power transmission device 4, star-like discharging device 5 and storage bin
6, wherein one end of conveying pipeline 3 is connected with the charging aperture 20, and other end end is provided with wind model
Device 4, the position on the conveying pipeline 3 near the wind power transmission device 4 is provided with through hole, the through hole
Top be provided with storage bin 6, the storage bin 6 is connected with the through hole by star-like discharging device 5.
In the present embodiment, the feed system is arranged in rice husk warehouse, is not limited by space.Storing
The size in storehouse 6 determines according to the greatest amount of fuel that burner needs daily.The wind power transmission device 4 is
Air blast, tangential direction of the air blast by biomass fuel rice husk equably, reliably along combustion chamber 7 is blown
Send in combustion chamber 7.The motor of the star-like discharging device 5 is equipped with frequency converter, to control its rotating speed,
Flow is adjusted, the speed of blanking is controlled, so as to adjust the heat of burner output.
The flue-gas dust removal and purification system includes expansion chamber 9, the heat exchanger 11, dust removal and filtration being sequentially communicated
Device 12 and chimney 14, the expansion chamber 9 is connected with the high-temperature flue gas outlet 8, the heat exchanger 11
Top be provided with hot-blast outlet 15.Air-introduced machine 13 is provided between the dust removal filter 12 and chimney 14,
The high-temperature flue gas outlet 8 is connected with the upper end of the expansion chamber 9, and the lower end of the expansion chamber 9 is provided with
Expansion chamber shoot door 10.
The present invention provides abundance due to there is two air blasts to work simultaneously for the combusting rice hull in combustion chamber 7
Oxygen, so burning is more fully, thus the ashes after combusting rice hull are seldom, reduce fireman to heavy
The deashing number of times of drop room 9.
A kind of tangential feed biomass burner that the present invention is provided, its operation principle is：
During the burner operation, the rice husk in storage bin 6 enters into conveying pipeline through star-like discharging device 5
In line 3, now rice husk is tangentially uniformly blown into strength pay-off 4 (rice husk in combustion chamber 7
In the indoor counterclockwise rotates of burning), simultaneously from air sparger 2 air also tangentially
In input combustion chamber 7 (air is also to rotate in the counterclockwise direction in burning), rice husk spiral shell is further promoted
Screw on liter so as to the suspension combustion in combustion chamber 7.Under the collective effect of air-introduced machine 13 on rice husk spiral
Rise, increased the time of rice husk and air contact, thus it is more abundant to burn.Ashes and high temperature after burning
Flue gas is tangentially drawn in expansion chamber 10 from high-temperature flue gas outlet 8 together.Ashes rely on gravity
Fall in expansion chamber 10, the flue gas after sedimentation is entered in heat exchanger 11, and the flue gas after cooling is entered
In dust removal filter 12, most after Jing air-introduced machines 13 enter chimney 14.It is dry Jing after high-temperature flue gas heat exchange
The hot blast of clear height temperature is discharged through hot-blast outlet 15, for production to thermal process.Ash in expansion chamber 10
Cinder passes through the periodic cleaning of shoot door 10 by fireman.
The present invention adopts tangential feed mode, taper bottom structure, so that the ventilation of the bottom of combustion chamber 7
Sectional area is ascending, and speed of such wind in combustion chamber 7 from bottom to top changes in negative gradient, larger
Or imperfect combustion part rice husk is distributed in lower combustion, after-flame rice husk becomes fine dust by hot blast band
Walk, till uncombusted rice husk continues after-flame.The present invention using tangential feed while, using tangent line air intake,
Tangent line air-out, it is ensured that fuel rises in the inside spin of combustion chamber 7, makes the abundant after-flame of fuel.
In sum, the biomass burner of a kind of tangential feed that the present invention is provided is one kind with air
For medium, the combustion apparatus with biomass as fuel, with floor space is little, installation operation is convenient, heat
Efficiency high, stable, energy-conserving and environment-protective, the advantages of controlling is good.Its feed system can arrange in office
What idle place, is not limited by a space.Can be used for the fields such as family's heating, hot water, industrially drying.
Claims (10)
1. a kind of biomass burner of tangential feed, it is characterised in that including body of heater (16), charging
System, blowing system and flue-gas dust removal and purification system, wherein body of heater (16) are cylinder, and upper end and
Lower end is tangentially respectively equipped with high-temperature flue gas outlet (8) and charging aperture (20), the high-temperature flue gas
Outlet (8) is connected with the flue-gas dust removal and purification system, the charging aperture (20) and the feed system
Connection, the bottom of the body of heater (16) inner combustion chamber (7) is provided with bottom protrusion structure (19), described
Air intake annular space, the body of heater are provided between bottom protrusion structure (19) and the lower end of the body of heater (16)
(16) lower end is circumferentially arranged with multiple air inlets (18) connected with the air intake annular space, the air distribution
System be arranged at the outside of multiple air inlets (18) and by multiple air inlets (18) with
The bottom connection of the combustion chamber (7).
2. the biomass burner of the tangential feed as described in claim 1, it is characterised in that described to match somebody with somebody
Wind system includes air blast (1) and air sparger (2), and the air sparger (2) is arranged at institute
State the lower end periphery of body of heater (16) and form annular passage, Duo Gesuo between the body of heater (16)
Air inlet (18) is stated in the annular passage, with the charging aperture (20) on the air sparger (2)
Opposite side is tangentially provided with blast orifice (21), and the air blast (1) is arranged at the blast orifice (21)
Place, the air blast direction of the air blast (1) is contrary with the feedstock direction of the feed system.
3. the biomass burner of the tangential feed as described in claim 2, it is characterised in that the bottom
Portion's bulge-structure (19) is cone, and the charging aperture (20) is positioned at the top of the cone.
4. the biomass burner of the tangential feed as described in claim 2, it is characterised in that the height
Warm exhanst gas outlet (8) and charging aperture (20) positioned at the body of heater (16) homonymy, the charging aperture (20)
Feedstock direction and the high-temperature flue gas outlet (8) smoke evacuation direction along same rotation direction direction.
5. the biomass burner of the tangential feed as described in claim 2, it is characterised in that the stove
Heat-insulation layer (17) is provided with the outside of body (16) and air sparger (2).
6. the biomass burner of the tangential feed as described in claim 1, it is characterised in that it is described enter
Material system includes conveying pipeline (3), wind power transmission device (4), star-like discharging device (5) and storage bin (6),
Wherein one end of conveying pipeline (3) is connected with the charging aperture (20), and it is defeated that other end end is provided with wind-force
Device (4) is sent, the position on the conveying pipeline (3) near the wind power transmission device (4) is provided with
Through hole, is provided with storage bin (6) above the through hole, the storage bin (6) is unloaded with the through hole by star
Glassware (5) connects.
7. the biomass burner of the tangential feed as described in claim 6, it is characterised in that the wind
Power conveying device (4) is air blast, and the motor of the star-like discharging device (5) is equipped with frequency converter.
8. the biomass burner of the tangential feed as described in claim 1, it is characterised in that the cigarette
Gas dust separation system includes expansion chamber (9), heat exchanger (11), the dust removal filter (12) being sequentially communicated
And chimney (14), the expansion chamber (9) connects with the high-temperature flue gas outlet (8), the heat exchanger
(11) hot-blast outlet (15) is provided with the top of.
9. the biomass burner of the tangential feed as described in claim 8, it is characterised in that described to remove
Air-introduced machine (13) is provided between dirt filter (12) and chimney (14).
10. the biomass burner of the tangential feed as described in claim 8, it is characterised in that the height
Warm exhanst gas outlet (8) connects with the upper end of the expansion chamber (9), and the lower end of the expansion chamber (9) sets
There is expansion chamber shoot door (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650008.7A CN106568080A (en) | 2015-10-09 | 2015-10-09 | Tangential feeding biomass combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650008.7A CN106568080A (en) | 2015-10-09 | 2015-10-09 | Tangential feeding biomass combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568080A true CN106568080A (en) | 2017-04-19 |
Family
ID=58506055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510650008.7A Pending CN106568080A (en) | 2015-10-09 | 2015-10-09 | Tangential feeding biomass combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477566A (en) * | 2017-09-28 | 2017-12-15 | 安徽辰瑞达农业设备有限公司 | Fuel homogenizer and combustion furnace system |
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| CN101196296A (en) * | 2007-12-21 | 2008-06-11 | 河南省科学院能源研究所有限公司 | Method and apparatus for biomass ebullition, gasification and combustion |
| CN202281221U (en) * | 2011-10-08 | 2012-06-20 | 马志强 | Solid fuel suspension combustion-supporting device for boiler |
| CN202470035U (en) * | 2012-01-16 | 2012-10-03 | 辽宁精化科技有限公司 | Direct combustion biomass fuel boiler |
| CN203395916U (en) * | 2013-06-07 | 2014-01-15 | 郑州市鼎力干燥设备有限公司 | Boiling furnace with residue collection walls |
| CN203880696U (en) * | 2014-06-19 | 2014-10-15 | 永清中希光电科技发展有限公司 | Intelligent biomass burner |
| CN204042860U (en) * | 2014-08-24 | 2014-12-24 | 周利国 | A kind of integrated flue gas combination burner |
| CN204372911U (en) * | 2014-11-28 | 2015-06-03 | 嵩县中科孵化器有限公司 | Fluoridize industrial fluidized bed furnace |
| CN205026655U (en) * | 2015-10-09 | 2016-02-10 | 辽宁精化科技有限公司 | Biomass inflamer of tangential feed |
-
2015
- 2015-10-09 CN CN201510650008.7A patent/CN106568080A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196296A (en) * | 2007-12-21 | 2008-06-11 | 河南省科学院能源研究所有限公司 | Method and apparatus for biomass ebullition, gasification and combustion |
| CN202281221U (en) * | 2011-10-08 | 2012-06-20 | 马志强 | Solid fuel suspension combustion-supporting device for boiler |
| CN202470035U (en) * | 2012-01-16 | 2012-10-03 | 辽宁精化科技有限公司 | Direct combustion biomass fuel boiler |
| CN203395916U (en) * | 2013-06-07 | 2014-01-15 | 郑州市鼎力干燥设备有限公司 | Boiling furnace with residue collection walls |
| CN203880696U (en) * | 2014-06-19 | 2014-10-15 | 永清中希光电科技发展有限公司 | Intelligent biomass burner |
| CN204042860U (en) * | 2014-08-24 | 2014-12-24 | 周利国 | A kind of integrated flue gas combination burner |
| CN204372911U (en) * | 2014-11-28 | 2015-06-03 | 嵩县中科孵化器有限公司 | Fluoridize industrial fluidized bed furnace |
| CN205026655U (en) * | 2015-10-09 | 2016-02-10 | 辽宁精化科技有限公司 | Biomass inflamer of tangential feed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477566A (en) * | 2017-09-28 | 2017-12-15 | 安徽辰瑞达农业设备有限公司 | Fuel homogenizer and combustion furnace system |
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Application publication date: 20170419 |
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