CN102072482B - Biomass energy combustor - Google Patents
Biomass energy combustor Download PDFInfo
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- CN102072482B CN102072482B CN2010102251970A CN201010225197A CN102072482B CN 102072482 B CN102072482 B CN 102072482B CN 2010102251970 A CN2010102251970 A CN 2010102251970A CN 201010225197 A CN201010225197 A CN 201010225197A CN 102072482 B CN102072482 B CN 102072482B
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- combustion chamber
- charcoal
- air
- auger
- combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
- F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
- F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Solid-Fuel Combustion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention relates to a combustor, in particular to a biomass energy combustor capable of automatically discharging carbon, which solves the problem of incapability of discharging carbon in the midway or low discharged carbon quality of the traditional biomass combustor. The biomass energy combustor comprises a combustion chamber which is provided with a feeding hole and a carbon discharging hole. The biomass energy combustor is characterized in that the carbon discharging hole is provided with a carbon discharging packing auger, and the thread pitches of helical blades of the packing auger are gradually reduced along the carbon discharging direction. The invention has the advantages that a combustion substrate can be compressed while discharging carbon so that the combustion substrate is further carbonized and the carbon content of the product is increased; air is introduced to the combustion chamber from a plurality of angles through a main air port and air distribution holes, thus, the direction of air flow in the combustion chamber is changed, the contact time and the contact area of combustion-supporting air and combustion materials are increased, and the combustion-supporting effect is improved; and the combustion-supporting air is repeatedly preheated by utilizing the heat of the combustion chamber, thereby the heat is reasonably utilized, and the heat loss is reduced.
Description
Technical field
The present invention relates to a kind of burner, particularly a kind of biomass energy burner that can go out charcoal automatically.
Technical background
Biomass energy is as an important directions of new energy development; Receive increasing concern; The bamboo bits that in industrial and agricultural production, produce, wood chip, stalk etc. all belong to biomass energy, have the people that above-mentioned bamboo bits, wood chip, stalk etc. are produced biomass granule fuel through compacting and utilize, and the utilization of biomass energy the most directly method is to release energy through burning; The charcoal that produces in the combustion process simultaneously is as important material; Can make fertilizer, contain charcoal fertilizer and can improve soil texture, can also be used to making multiple products such as active carbon.People have designed various burners to the burning of biomass energy; If fuel combustion is excessive in the burner, biomass energy completing combustion just can not produce charcoal; And generally containing more unburned impurity completely in the product through the imperfect combustion acquisition, carbon content is low.
The CN201495199U patent of Patent Office of the People's Republic of China's bulletin on June 2nd, 2010; Name is called the charred rice husk complete set of equipments, this device by: magnetic buncher, combustion furnace loading hopper, burner, body of heater, charing bucket auger, retort loading hopper, material loading auger, discharging auger, combustion chamber, outside framework, bocca tube connector, bellows, feeding packing auger, combustion furnace slagging-off auger, combustion furnace high pressure positive blower, motor, feeding packing auger reduction box constitute.The magnetic buncher is connected with the feeding packing auger reduction box, is equipped with the combustion furnace loading hopper on the feeding packing auger, and combustion furnace slagging-off auger is connected with burner, and burner is connected with body of heater, and charing bucket auger is installed in the body of heater, and the discharging auger is connected with charing bucket auger.The rice husk of this device itself is burning not, and rice husk is successively through material loading auger, charing auger, discharging auger, charing in the stove of high temperature; The not discharging of the moisture that rice husk contains in the carbonization process, impurity, the product that the discharging auger is seen off certainly will contain a large amount of impurity, reduces product quality; And this carbonization process needs the combustion furnace combustion fuel that heat energy is provided; Energy not only is not provided in carbonization process, will consumes a large amount of fuel on the contrary, cost is high.
Patent Office of the People's Republic of China's disclosed CN101526265A patent application on September 9th, 2009 is arranged again; Name is called a kind of biomass fuel hot air stove; This device comprises body of heater, feeding system, fire grate, flue, arc reflection arch, and said feeding system and said arc reflection arch are separated into air compartment, combustion chamber and hot conversion equipment three parts to said body of heater together.The biomass fuel of supplying with through said feeding system is after burning on the said fire grate; Volatile ingredient in the biomass fuel is in the overhead second-time burning of said combustion chamber; This device is provided with the ash discharge button in the bottom, combustion chamber; After burning is accomplished ashes are discharged, but in whole combustion process, can't go out charcoal.
Summary of the invention
The objective of the invention is to solve existing biomass combustion stove and can't go out charcoal midway, or go out the low problem of quality of charcoal, provide a kind of go out the charcoal quality better go out the charcoal burner automatically.
The technical solution adopted for the present invention to solve the technical problems is: a kind of biomass energy burner; Comprise the combustion chamber; The combustion chamber is provided with charging aperture and carbon outleting port, and carbon outleting port sets out the charcoal auger, and the pitch that goes out the helical blade of charcoal auger is dwindled along going out the charcoal direction gradually.Biological material gets into the combustion chamber from charging aperture; When being burned to a certain degree, can adopt out the charcoal auger that the burning substrate in the combustion chamber is taken out, dwindle gradually with going out the charcoal direction owing to go out the helical blade pitch of charcoal auger; The burning substrate is compressed in going out charcoal auger course of conveying; And in compression process, discharge and mix air, make the burning substrate be in further charing under the state of high temperature, high pressure, secluding air in the course of conveying, improve end product quality.Simultaneously, if it is identical to go out charcoal auger two ends pitch, in course of conveying, there is the space between the burning substrate; The flue gas that produces in the combustion chamber overflows from the space easily, and a large amount of high temperature incendivity particles that mix in the flue gas, safety can't guarantee; This device goes out in the charcoal auger conveying burning substrate process to compress; Make the burning substrate compacted in course of conveying, eliminate the space, avoid overflowing of flue gas.Adopt out the charcoal auger to go out charcoal, can continue charcoal according to charging and the ratio that goes out charcoal, biomass fuel completing combustion if desired also can be with going out the charcoal auger as ash discharge.
As preferably, said charging aperture is provided with feeding packing auger.Use auger to come charging, can continue charging, and can control inlet amount according to the auger rotating speed.As other scheme, also can adopt the bottom to have the feed hopper charging of dividing plate.
As preferably, the pitch of the helical blade of said feeding packing auger is dwindled with feedstock direction gradually.When material to be burnt be bamboo bits, wood chip, when being cut into the bulk materials such as stalk of segment, the material gap is big in the feeding packing auger, the flue gas in the combustion chamber overflows from the gap easily; And have a large amount of air in the gap, the material in the feeding packing auger possibly ignited by charging aperture in the combustion chamber, so the pitch of the helical blade of charging flood dragon is dwindled with feedstock direction gradually; In fill process, material is compressed, eliminate the gap of material, avoid flue gas to overflow; Discharge the air in the material gap simultaneously; Avoid material in course of conveying, to be ignited, and material compression back structure is comparatively tight, is difficult for being ignited at charging aperture.As other preferred version, when the burning material was the granular fuel of compression forming, the helical blade pitch of feeding packing auger was constant, and the granular fuel structure of compression forming is tight, itself was difficult for being ignited and further compression.
As preferably, said feeding packing auger with go out the charcoal auger and all use buncher to drive.Can regulate the rotating speed of feeding packing auger according to the temperature and the intake of combustion chamber, and feeding packing auger and the rotating ratio that goes out the charcoal auger regulated, satisfy the demand under the different situations according to the actual needs of inlet amount and the ratio that goes out the charcoal amount.
As preferably, the two bottom sides of combustion chamber reduces to intermediate altitude gradually, and the combustion chamber has out the charcoal groove in the middle of the bottom, and an end that goes out the charcoal auger is arranged on out in the charcoal groove, charging aperture be positioned at the charcoal groove directly over.Burning substrate in the combustion chamber is that accumulation is compiled in the centre position to the extreme lower position of bottom, combustion chamber; And set out the charcoal groove in this position; Be deposited in the burning substrate burning fullest of bottom; Fall into out in the charcoal groove to be gone out the charcoal auger and see off, charging aperture is positioned at directly over the charcoal groove, and the material of coming in from charging aperture directly drops on the burning substrate top burning of accumulation.
As preferably, said combustion chamber one side opening is as air outlet, and the locular wall outer ring of other each side is wound with distribution plenum, between distribution plenum and the combustion chamber air inlet is arranged.Get into the combustion chamber behind the combustion air process distribution plenum air distribution; Make air-flow more reasonable, and distribution plenum is looped around the combustion chamber outside, utilizes the heat of outer wall of combustion chamber that combustion air is carried out preheating; Combustion air gets into the combustion chamber from the air inlet between distribution plenum and the combustion chamber; Absorb heat and become hot blast, the hot blast heat that produces that will burn is taken out of from air outlet, can be as multiple uses such as dry, heating, the heatings of living from the hot blast of air outlet output.
As preferably, have the main air port that links to each other with distribution plenum on the locular wall of the relative side in said combustion chamber with open side, the bottom, combustion chamber is provided with air distribution plate, separates through air distribution plate between bottom, combustion chamber and the distribution plenum, and air distribution plate is provided with wind distributing hole.Main air port forms an air intake, and the wind distributing hole air intake forms secondary air on the air distribution plate, and one time air intake is different with the secondary air direction, and combustion air is flowed towards different directions in the combustion chamber, increases the time of contact and the contact-making surface of combustion air and burning material.
As preferably, main air port and charging aperture are positioned at the same side of combustion chamber, the main air port height charging aperture and go out between the charcoal groove.
As preferably, the sidewall of combustion chamber that goes out charcoal groove top is provided with igniter, and main air port comprises two openings, is separately positioned on the both sides of igniter, more helps igniting.
As preferably, be evenly distributed with convex closure on the air distribution plate, the side perforate of convex closure forms wind distributing hole, and wind distributing hole opening direction and main air port opening direction angle are spent between 135 degree 45.The wind distributing hole opening direction is a side direction on the air distribution plate, makes secondary air in the combustion chamber, form spiral wind, makes the burning material be difficult for getting into distribution plenum from wind distributing hole simultaneously.
As preferably, top of combustion chamber is the arc top, guarantees that the spiral wind of secondary air can not produce flow blind angle in the combustion chamber.As preferably, top of combustion chamber also is provided with the wind distributing hole that is communicated with distribution plenum.
As preferably, said burner also comprises blower fan, and the outside of distribution plenum also is provided with preheating chamber, and preheating chamber and distribution plenum are relatively independent, and preheating chamber links to each other with air inlet and is provided with some cold wind imports at the preheating chamber periphery, and distribution plenum links to each other with fan outlet.Because the heat of combustion chamber is high; The outer wall of distribution plenum also can reach higher temperature; At the arranged outside preheating chamber of distribution plenum, utilize the heat of distribution plenum outer wall that air is carried out preheating, air glide path is: air gets into preheating chamber from the cold wind import; Get into distribution plenum through air inlet, fan outlet; Get into the combustion chamber from distribution plenum through air intake and secondary air again, combustion-supporting back absorbs heat and forms hot blast air outlet air-out from the combustion chamber, and hot blast is used for drying, heating or life and warms oneself.
As preferably, the said ratio that goes out charcoal auger two ends pitch at 2:1 between the 5:1.
As preferably, the ratio of said feeding packing auger two ends pitch at 2:1 between the 5:1.According to material different choice different compression ratio.
The present invention can go out charcoal in combustion chamber material burning, make material not again in the combustion chamber completing combustion become grey; When going out charcoal the burning substrate is compressed, make the further charing of burning substrate, improve the product carbon content; The combustion chamber changes the airflow direction in the combustion chamber through main air port and wind distributing hole multi-angle air intake, increases combustion air and burning material time of contact and contact-making surface, improves combustion-supporting effect; Utilize the combustion chamber heat that combustion air is carried out repeatedly preheating, rationally utilize heat, reduce thermal loss.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is an A-A cross-sectional view among Fig. 1.
Fig. 3 is a B-B cross-sectional view among Fig. 2.
Fig. 4 is the structural representation of air distribution plate of the present invention.
Fig. 5 is second kind of structural representation of the present invention.
Fig. 6 is a C-C cross-sectional view among Fig. 5.
Fig. 7 is the third structural representation of the present invention.
Among the figure: 1. blower fan, 2. fan outlet, 3. time distribution plenum, 4. burner matrix, 5. mounting flange, 6. main distribution plenum; 7. loading hopper, 8. feeding packing auger, 9. the charging motor 10. goes out the charcoal motor, 11. combustion chambers, 12. igniters; 13. charging aperture, 14. go out the charcoal groove, and 15. go out the charcoal auger, 16. carbon outleting ports, 17. air distribution plates; 18. main air port, 19. wind distributing holes, 20. preheating chambers, 21. cold wind imports, 22. air inlets.
The specific embodiment
Below through specific embodiment and combine accompanying drawing that the present invention is further specified.
Embodiment 1: a kind of biomass energy burner, and extremely shown in Figure 4 like Fig. 1.
This device comprises burner matrix 4, and burner matrix 4 is horizontal column type, like Fig. 1, Fig. 2, shown in Figure 3; Burner matrix 4 is a double-decker, and internal layer is combustion chamber 11, and skin is a time distribution plenum 3; Inferior distribution plenum 3 is looped around 11 outsides, combustion chamber, and 11 tops, combustion chamber are the arc top, and through the combustion chamber roof combustion chamber 11 and time distribution plenum 3 is separated; 11 bottoms, combustion chamber are provided with air distribution plate 17 and separate through air distribution plate 17 and time distribution plenum 3, and as shown in Figure 4, air distribution plate 17 is provided with wind distributing hole 19.As shown in Figure 3, air distribution plate 17 is from two side direction intermediate, inclined, so that the solid accumulation of waiting to burn is at air distribution plate 17 middle parts.As shown in Figure 2; The right-hand member at air distribution plate 17 middle parts has out charcoal groove 14, goes out to be provided with out charcoal auger 15 in the charcoal groove 14, and the helical blade pitch that goes out charcoal auger 15 is dwindled along throughput direction gradually; The pitch ratio at two ends is 4:1; Terminal downside going out charcoal auger 15 also is provided with carbon outleting port 16, goes out charcoal auger 15 and drives through going out charcoal motor 10, goes out charcoal motor 10 and is buncher.The right-hand member of burner matrix 4 and mounting flange 5 are fixing; Mounting flange 5 is a square plate; The length of side is the twice of burner matrix 4 diameters; The right side of mounting flange 5 is provided with main distribution plenum 6, main distribution plenum 6 be looped around 11 outer field distribution plenums in combustion chamber 3 and be communicated with, making ring week and the right side of combustion chamber 11 be provided with distribution plenum can be from all angles air intake.The fan outlet 2 of blower fan 1 is communicated with main distribution plenum 6.The left side opening of combustion chamber 11 is as air outlet; The right side is provided with charging aperture 13, igniter 12, main air port 18; Charging aperture 13 be positioned at charcoal groove 14 the top and with go out charcoal groove 14 and align; Igniter 12 is arranged on charging aperture 13 and goes out on the sidewall of combustion chamber between the charcoal groove 14, and the both sides of igniter 12 are respectively equipped with a main air port 18, main air port 18 connection combustion chambers 11 and main distribution plenum 6.Charging aperture 13 places are provided with feeding packing auger 8, and the front end upside of feeding packing auger 8 is provided with loading hopper 7, and the end of feeding packing auger 8 is inboard concordant with charging aperture 13, and feeding packing auger drives through charging motor 9, and charging motor 9 is a buncher.Feeding packing auger 8 with go out charcoal auger 15 and all penetrate main distribution plenum 6, and seal at the place of penetrating.
The structure of air distribution plate is as shown in Figure 4; Be evenly equipped with convex closure on the air distribution plate 17; The convex closure lateral opening forms wind distributing hole 19, and the opening direction of wind distributing hole 19 is shown in arrow among Fig. 4, and the opening direction of the wind distributing hole 19 of adjacent columns and main air port direction have the angle of 45 degree and 135 degree respectively.
Device in the present embodiment is more suitable for the burning of granular fuel, and during the work of this device, biomass fuel adds from loading hopper; Be transported in the combustion chamber by feeding packing auger, pile up the charcoal groove position that goes out of biomass fuel air distribution plate in the bottom, combustion chamber, burns with ignition device; The air quantity that the while blower fan is blown into is through the distribution plenum air distribution, and a part of combustion air gets into the combustion chamber from main air port and forms an air intake, and another part combustion air gets into the combustion chamber and forms secondary air from wind distributing hole; Twice air intake wind direction is different; Form turbulent flow in the combustion chamber, combustion air and biomass fuel time of contact are longer, contact-making surface is bigger, and combustion-supporting effect is good; The heat that burning produces is absorbed the back by combustion air and forms hot blast and discharge from the air outlet in left side, combustion chamber, and hot blast can be used for drying, heating, life heating etc.After burning is one section the time, go out the charcoal auger and start working, the substrate that will burn is exported; Going out in the process that the charcoal auger carries pitch constantly dwindles; The burning substrate is compressed, eliminate the space between the burning substrate, discharge the air that is mingled in the burning substrate; Make the burning substrate be in further charing under the environment of high temperature, high pressure, secluding air, improve the carbon content of the burning substrate at carbon outleting port place.Carry simultaneously will go out charcoal auger space in the compression process and fill up, prevent that the flue gas of combustion chamber from overflowing from going out charcoal auger space, more environmental protection and safety.According to the relation that goes out between charcoal amount and the feeding quantity, regulate feeding packing auger and the rotating ratio that goes out the charcoal auger according to the calculating of air flow rate proportioning this moment, realizes continuing charging and going out charcoal.Charcoal in the burning substrate can be used for making fertilizer and improve soil texture, also can be used for making multiple products such as active carbon.
Embodiment 2: a kind of biomass energy burner that combustion air is carried out preheating, and like Fig. 5, shown in Figure 6.Periphery at burner matrix 4 is provided with one deck preheating chamber 20, and the ring of preheating chamber 20 has a plurality of cold wind imports 21 on week, and preheating chamber 20 is linked to each other with air inlet 22.Identical among all the other structures in the present embodiment and the embodiment 1.
Because conduction of heat; The outer wall of burner matrix 4 also has higher temperature usually, even can reach more than 100 degree, and combustion air gets into preheating chamber 20 from cold wind import 21; Utilize the heat of burner matrix 4 outer walls to carry out preheating; Get into distribution plenum 6 from blower fan 1 again, the heat of loss has carried out utilizing again during not only to burning, and plays the effect of heat insulation of burner matrix 4 and environment.
Identical among the present embodiment course of work and the embodiment 1.
Embodiment 3: a kind of biomass energy burner of charging compression, and as shown in Figure 7.The pitch of feeding packing auger 8 helical blades constantly reduces with throughput direction, and the ratio of two ends pitch is 4:1.All the other structures of present embodiment are identical with embodiment 1.
When biomass fuel to be burnt is bamboo bits, wood chip, stalk etc., if adopt the feeding packing auger of uniform pitch, because fuel is comparatively loose; Have bigger gap in the fuel delivery event, the flue gas in the combustion chamber overflows from the gap easily, and owing to air entrainment in the fuel; Charging aperture is ignited fuel in the combustion chamber easily, and is burned to the loading hopper place always, causes serious consequence; So when adopting this type of loose fuel, in course of conveying, fuel is compressed, makes fuel structure tightr; Discharge simultaneously as far as possible and be mixed in the air in the fuel gap, avoid fuel to be ignited, avoid flue gas from the space, to overflow simultaneously.
The course of work of present embodiment is identical with embodiment 1.
Claims (7)
1. a biomass energy burner comprises the combustion chamber, and the combustion chamber is provided with charging aperture and carbon outleting port; It is characterized in that: carbon outleting port sets out the charcoal auger, and the pitch that goes out the helical blade of charcoal auger is dwindled along going out the charcoal direction gradually, and said charging aperture is provided with feeding packing auger; According to the relation that goes out between charcoal amount and the feeding quantity, regulate feeding packing auger and the rotating ratio that goes out the charcoal auger, realize continuing charging and going out charcoal; Said combustion chamber one side opening is as air outlet, and the locular wall outer ring of other each side is wound with distribution plenum, between distribution plenum and the combustion chamber air inlet is arranged; Have the main air port that links to each other with distribution plenum on the locular wall of the relative side in combustion chamber with open side; The bottom, combustion chamber is provided with air distribution plate, separates through air distribution plate between bottom, combustion chamber and the distribution plenum, and air distribution plate is provided with wind distributing hole; Top of combustion chamber is the arc top, and top of combustion chamber also is provided with the wind distributing hole that is communicated with distribution plenum.
2. a kind of biomass energy burner according to claim 1, it is characterized in that: the pitch of the helical blade of said feeding packing auger is dwindled with feedstock direction gradually.
3. a kind of biomass energy burner according to claim 1 and 2 is characterized in that: said feeding packing auger with go out the charcoal auger and all use buncher to drive.
4. a kind of biomass energy burner according to claim 1 and 2; It is characterized in that: the two bottom sides of combustion chamber reduces to intermediate altitude gradually; Has out the charcoal groove in the middle of the combustion chamber bottom, an end that goes out the charcoal auger is arranged on out in the charcoal groove, charging aperture be positioned at the charcoal groove directly over.
5. a kind of biomass energy burner according to claim 1 is characterized in that: be evenly distributed with convex closure on the air distribution plate, the side perforate of convex closure forms wind distributing hole, and wind distributing hole opening direction and main air port opening direction angle are spent between 135 degree 45.
6. a kind of biomass energy burner according to claim 1; It is characterized in that: said burner also comprises blower fan; The outside of distribution plenum also is provided with preheating chamber; Preheating chamber and distribution plenum are relatively independent, and preheating chamber links to each other with air inlet and is provided with some cold wind imports at the preheating chamber periphery, and distribution plenum links to each other with fan outlet.
7. a kind of biomass energy burner according to claim 1 and 2 is characterized in that: the said ratio that goes out charcoal auger two ends pitch at 2:1 between the 5:1.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN2010102251970A CN102072482B (en) | 2010-07-14 | 2010-07-14 | Biomass energy combustor |
KR1020137003313A KR101437652B1 (en) | 2010-07-14 | 2011-05-20 | Biomass energy burner |
PCT/CN2011/074404 WO2012006906A1 (en) | 2010-07-14 | 2011-05-20 | Biomass energy burner |
Applications Claiming Priority (1)
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CN2010102251970A CN102072482B (en) | 2010-07-14 | 2010-07-14 | Biomass energy combustor |
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CN102072482A CN102072482A (en) | 2011-05-25 |
CN102072482B true CN102072482B (en) | 2012-12-19 |
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CN2010102251970A Expired - Fee Related CN102072482B (en) | 2010-07-14 | 2010-07-14 | Biomass energy combustor |
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KR (1) | KR101437652B1 (en) |
CN (1) | CN102072482B (en) |
WO (1) | WO2012006906A1 (en) |
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- 2011-05-20 WO PCT/CN2011/074404 patent/WO2012006906A1/en active Application Filing
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Also Published As
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CN102072482A (en) | 2011-05-25 |
WO2012006906A1 (en) | 2012-01-19 |
KR20130037712A (en) | 2013-04-16 |
KR101437652B1 (en) | 2014-09-04 |
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