CN109442394A - A kind of biomass combustion machine and biomass fuel firing method - Google Patents
A kind of biomass combustion machine and biomass fuel firing method Download PDFInfo
- Publication number
- CN109442394A CN109442394A CN201811319623.XA CN201811319623A CN109442394A CN 109442394 A CN109442394 A CN 109442394A CN 201811319623 A CN201811319623 A CN 201811319623A CN 109442394 A CN109442394 A CN 109442394A
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- China
- Prior art keywords
- combustion chamber
- air
- biomass fuel
- biomass
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
- F23L1/02—Passages or apertures for delivering primary air for combustion by discharging the air below the fire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
Abstract
The present invention relates to a kind of biomass combustion machine and biomass fuel firing method, biomass combustion machine includes furnace body, combustion chamber, combustion chamber crater, charging gear and air blower；Its biomass fuel firing method is that feed inlet design is placed on right above combustion chamber to directly heated blanking, and control is fed in combustion chamber high temperature, and when low temperature does not feed；It is dispersed on fire grate so that the covering of biomass fuel is more uniform, it is the configuration of the present invention is simple, low in cost, it can continue to generate 750 DEG C of the external heat supply of high-temperature flue gas heat source.
Description
Technical field
The invention belongs to Biomass Energy Utilization apparatus fields, and in particular to a kind of biomass combustion machine and biomass combustion
Method.
Background technique
Biomass combustion machine is with biomass agriculture and forestry organic waste material such as stalk, branch, bark, pericarp etc.；Woodenware processes corner
Material；Building the organic matters such as useless plate is fuel, using suspension, boiling, half gasification cracking as combustion system, generates the hot flame of high temperature,
And transfer heat to heat power equipment；Or gasification cracking is combustion gas, for power generation or Domestic Gas.And carbon dioxide zero
Discharge, biomass energy big advantage are high-effect, the environmentally friendly combustion apparatus for substituting traditional coal-burning boiler heat source.
But combustor in the prior art leads to reduced service life due to unreasonable structure, and structure is complicated, cost
Rise！And there are the Technology design obstacles of unbearable high-temperature baking for existing burning machine inlet, can only make from side-fed
Boiling effect caused by the covering of biomass combustion object is uneven is undesirable, in a disguised form reduce factor of created gase or heat utilization rate not
It is high.
On December 16th, 2015, Chinese utility model patent Authorization Notice No.: CN204880097U discloses a kind of water cooling
Formula biomass particle burning machine, including combustor, feed bin and blower: the combustor includes feed inlet, crater, inner wall, outer
Wall and bottom plate are equipped with cavity between the inner wall two sides and outer wall, both sides sealing is fixedly mounted up and down for inner wall and outer wall, the combustion
Burning machine top is equipped with water cavity, and the water cavity is connected to cavity by pipeline.The technical solution can effectively to combustor into
Cooling under row high temperature, increases service life.But due to feeding manner be the discharge port set gradually by bin bottom,
Helical material transport machine has the feed pipe of dog-ear to be connected to burning machine inlet, and biological particles material can only fall in combustion chamber stove
Comb is accumulated on one side, can not be scattered, undesirable due to still remaining the uneven caused boiling effect of biomass combustion object covering, from
And heat utilization rate is not also high.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provides a kind of biomass combustion machine, and structure is simple, at low cost
It is honest and clean, there is apparent beneficial effect；The present invention also provides biomass fuel firing method, can continue to generate 750 DEG C of high-temperature flue gas
The external heat supply of heat source.
To achieve the above object, the invention adopts the following technical scheme: a kind of biomass combustion machine, including furnace body, burning
Room, combustion chamber crater, charging gear and air blower；Combustion chamber lower end is an air compartment, and combustion chamber lateral layout has secondary
Mend wind swirl diffuser；It is characterized by: the furnace wall of furnace body is interlayer water-cooling wall；The top plate of furnace body builds course and folder by refractory material
Layer water-cooled layer is constituted, and the interlayer water-cooling wall waterway circulating in interlayer water-cooled layer and furnace wall communicates；The top plate of the furnace body is hit exactly
Centre installation charging gear；The combustion chamber crater is mounted on the upside of furnace body, and output channel is intercalated water sleeve structure；Burning
Wind-supplying mouth three times and secondary air channel are additionally provided on the crater of room；The charging gear is made of feed bin, buffering chamber and material blanking tube；Material
Position in storehouse is connected by pneumatic plate with the feed end of buffering chamber in the top of buffering chamber, the feed opening of feed bin；The bulkhead of buffering chamber
It is also interlayer water-cooling wall, and communicated with the interlayer water-cooling wall water route in furnace wall；The discharge end of buffering chamber passes through Pneumatic reverse turning bed component
Connect material blanking tube upper end；Material blanking tube passes through the top plate of furnace body, the center of lower mouth face combustion chamber fire grate；Blanking tube wall is contacted with
Refractory material, which is built at course, ring cooling air duct protection；Above-mentioned Pneumatic reverse turning bed component is by cylinder, crank pivoted arm, counterweight and valve
Plate is constituted；The crank of the connecting rod driving crankshaft of cylinder, shaft radially install counterweight, the fixed valve plate in another side on one side；Make
When cylinder charge, connecting rod stretches out driving crankshaft rotation, opens downwards with valve plate；When cylinder loses gas, counterweight is in gravity
Under effect, driving crankshaft is rotated backward, and is closed upwards with valve plate；
The air intake of above-mentioned ring cooling air duct connects air blower air hose by volume damper；The outlet air end of ring cooling air duct connects
The secondary benefit wind swirl diffuser of logical combustion chamber side.
Technical solution of the present invention additionally provides a kind of biomass fuel firing method using described device, and this method includes such as
Lower step:
1) center of combustion chamber fire grate is sent by charging gear and is fallen in biomass fuel, lights a fire or ignites, makes biomass fuel
Material starts to burn；After ignition temperature reaches 250~300 DEG C, opens air blower and air compartment air blast of combustion chamber lower end is supplied oxygen；
Ignition temperature is set to reach 400~550 DEG C；
2) filling first allows the Pneumatic reverse turning bed component of charging gear to close the discharge end of buffering chamber, to prevent high temperature combustors by falling
Expects pipe tempering；Then, biomass fuel is sent into the feed bin of charging gear；Pneumatic plate is opened, biomass fuel is sent into feed dress
The buffering chamber set closes pneumatic plate；The cylinder for opening Pneumatic reverse turning bed component, makes cylinder charge, and connecting rod stretches out driving crank and turns
Axis rotation, is opened downwards with valve plate；Biomass fuel falls into the center of combustion chamber fire grate, and uniformly scatters to fire grate surrounding；
The cylinder of Pneumatic reverse turning bed component is closed, under the effect of gravity, driving crankshaft rotates backward counterweight, closes upwards with valve plate
Close the discharge end of buffering chamber；
3) biomass fuel added constantly burns in combustion chamber, and the air blast of air blower output is adjusted through volume damper and controlled
Air quantity into after the ring cooling air duct preheating on blanking tube wall, then is sent into secondary benefit wind swirl diffuser, generates in combustion chamber
Whirlwind oxygenating, biomass fuel form spiral flow fluidized burning under whirlwind drive in the combustion chamber, persistently generate 600~700 DEG C
Medium temperature flue gas；Medium temperature flue gas is further through wind-supplying mouth oxygenating three times by being mounted on the combustion chamber crater of the upside of furnace body
Burning improves temperature to 750 DEG C, and output provides high-temperature flue gas heat source outward；
4) control charging when being set in combustion chamber high temperature, when low temperature, do not feed；Make biomass using combustion chamber high temperature air-flow
The covering of fuel is more uniform to be dispersed on fire grate；
In the above method, the excess air coefficient of the combustion chamber internal cyclone oxygenating of the biomass combustion machine is 1.0~1.2.
The technical program its by the ingenious brand-new design of combustor, audaciously by feed inlet design be placed on combustion chamber just on
The directly heated blanking in side, controls charging when being set in combustion chamber high temperature, and when low temperature does not feed；Using combustion chamber high temperature air-flow,
It is dispersed on fire grate so that the covering of biomass fuel is more uniform, after first layer biomass fuel is distributed burning, has
The increase subsequent bio matter fuel bed of effect is uniformly covered on the spent biomass fuel of preceding layer, further increases eddy flow
Boiling Combustion effect！Generate more heat sources.To increase the technical effect of technical solution.And it is of simple structure and low cost,
With apparent economic benefit.
The primary oxygen supply burning of the technical program design, the burning of oxygenating twice make high-temperature flue gas be flocked on combustion chamber crater
Place controls the secondary whirlwind oxygenating for mending wind swirl diffuser by controlling volume damper, dexterously allow combustion chamber operational 600~
700 DEG C of middle warm area；Reduce material requirement of the furnace wall to heatproof of furnace body.The service life of the furnace wall of furnace body is increased, and
And increase safety！As long as using steel resistant to high temperature i.e. at the crater of combustion chamber.
Detailed description of the invention
For the present invention will be further described, the drawings and specific embodiments are set forth below.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is overlooking structure diagram of the present invention.
Label in attached drawing is: 1 furnace body；2 combustion chambers；3 combustion chamber craters；4 air compartments；5 furnace walls；6 top plates；7 is resistance to
Fiery material builds course；8 interlayer water-cooled layers；9 output channels；10 wind-supplying mouths three times；11 secondary air channels；12 feed bins；13 buffering chambers；14 fall
Expects pipe；15 pneumatic plates；16 ring cooling air ducts；17 cylinders；18 crankshafts；19 counterweights；20 valve plates；21 air quantity are adjusted
Valve；22 air blower air hoses.
Specific embodiment
As shown in Figs. 1-2, a kind of biomass combustion machine, including furnace body 1, combustion chamber 2, combustion chamber crater 3, charging gear
And air blower；2 lower end of combustion chamber is an air compartment 4, and 2 lateral layout of combustion chamber has secondary benefit wind swirl diffuser；Its feature exists
In: the furnace wall 5 of furnace body is interlayer water-cooling wall；The top plate 6 of furnace body builds course 7 by refractory material and interlayer water-cooled layer 8 is constituted, and presss from both sides
Interlayer water-cooling wall waterway circulating in layer water-cooled layer 8 and furnace wall 5 communicates；6 centre of top plate of the furnace body installs charging gear；
The combustion chamber crater 3 is mounted on the upside of furnace body 1, and output channel 9 is intercalated water sleeve structure；On combustion chamber crater 3
It is additionally provided with wind-supplying mouth 10 three times and secondary air channel 11；The charging gear is made of feed bin 12, buffering chamber 13 and material blanking tube 14；Feed bin
12 are located at the top of buffering chamber 13, and the feed opening of feed bin 12 is connected by pneumatic plate 15 with the feed end of buffering chamber 13；Caching
The bulkhead in storehouse 13 is also interlayer water-cooling wall, and forms water route with the interlayer water-cooling wall in furnace wall 5 and communicate；The discharge end of buffering chamber 13
14 upper end of material blanking tube is connected by Pneumatic reverse turning bed component；Material blanking tube 14 passes through the top plate 6 of furnace body, lower 2 fire grate of mouth face combustion chamber
Center；14 tube wall of material blanking tube, which is contacted with refractory material and builds at course 7, the protection of ring cooling air duct 16；
Above-mentioned Pneumatic reverse turning bed component is made of cylinder 17, crankshaft 18, counterweight 19 and valve plate 20；The connecting rod of cylinder 17 drives
The crank of crankshaft 18, shaft is radial to install counterweight 19, the fixed valve plate 20 in another side on one side；When inflating cylinder 17, even
Bar stretches out driving crankshaft 18 and rotates, and opens downwards with valve plate 20；When cylinder 17 loses gas, counterweight 19 is in gravity
Under, driving crankshaft 18 rotates backward, and closes upwards with valve plate 20；The air intake of above-mentioned ring cooling air duct 16 passes through wind
Adjustable valve 21 connects air blower air hose 22；The secondary benefit wind eddy flow of outlet air end connection 2 side of combustion chamber of ring cooling air duct 16
Air port.
Technical solution of the present invention additionally provides a kind of biomass fuel firing method using described device, and this method includes such as
Lower step:
1) center of 2 fire grate of combustion chamber is sent by charging gear and is fallen in biomass fuel, lights a fire or ignites, makes biomass fuel
Material starts to burn；After ignition temperature reaches 250~300 DEG C, opens air blower and 4 air blast of air compartment of 2 lower end of combustion chamber is supplied
Oxygen；Ignition temperature is set to reach 400~550 DEG C；
2) filling first allows the Pneumatic reverse turning bed component of charging gear to close the discharge end of buffering chamber 13, passes through to prevent high temperature combustors 2
Material blanking tube 14 is tempered；Then, biomass fuel is sent into the feed bin 12 of charging gear；Pneumatic plate 15 is opened, biomass fuel is sent
The buffering chamber 13 for entering charging gear closes pneumatic plate 15；The cylinder 17 for opening Pneumatic reverse turning bed component inflates cylinder 17, even
Bar stretches out driving crankshaft 18 and rotates, and opens downwards with valve plate 20；Biomass fuel falls into the center of 2 fire grate of combustion chamber,
And it uniformly scatters to fire grate surrounding；The cylinder 17 of Pneumatic reverse turning bed component is closed, under the effect of gravity, driving crank turns counterweight 19
Axis 18 rotates backward, and closes the discharge end of buffering chamber 13 upwards with valve plate 20；
3) biomass fuel added constantly burns in combustion chamber 2, and the air blast of air blower output is adjusted through volume damper 21
Air quantity is controlled, after preheating into the ring cooling air duct 16 on 14 tube wall of material blanking tube, then secondary benefit wind swirl diffuser is sent into, is firing
It burns room 2 and generates whirlwind oxygenating, biomass fuel forms spiral flow fluidized burning under whirlwind drive in combustion chamber 2, lasting to generate
600~700 DEG C of medium temperature flue gas；Medium temperature flue gas is by being mounted on the combustion chamber crater 3 of the upside of furnace body 1；By accurately controlling
The oxygenating amount of wind-supplying mouth 10 three times is made, the flue-gas temperature that can accurately control combustion chamber crater 3 is stabilized to 750 DEG C, defeated outward
Stable high-temperature flue gas heat source is provided out；
4) control charging when being set in 2 high temperature of combustion chamber, when low temperature, do not feed；Make biology using 2 high temperature air-flow of combustion chamber
The covering of matter fuel is more uniform to be dispersed on fire grate；
In the above method, the excess air coefficient of the 2 internal cyclone oxygenating of combustion chamber of the biomass combustion machine is 1.0~1.2.
Claims (2)
1. a kind of biomass combustion machine, including furnace body (1), combustion chamber (2), combustion chamber crater (3), charging gear and air blast
Machine；Combustion chamber (2) lower end is an air compartment (4), and combustion chamber (2) lateral layout has secondary benefit wind swirl diffuser；Its feature exists
In: the furnace wall (5) of furnace body is interlayer water-cooling wall；The top plate (6) of furnace body builds course (7) and interlayer water-cooled layer (8) by refractory material
It constitutes, and the interlayer water-cooling wall waterway circulating in interlayer water-cooled layer (8) and furnace wall (5) communicates；The top plate (6) of the furnace body is hit exactly
Centre installation charging gear；The combustion chamber crater (3) is mounted on the upside of furnace body (1), and output channel (9) is intercalated water sleeve
Structure；Wind-supplying mouth (10) three times and secondary air channel (11) are additionally provided on combustion chamber crater (3)；The charging gear is by feed bin
(12), buffering chamber (13) and material blanking tube (14) composition；Feed bin (12) is located at the top of buffering chamber (13), the feed opening of feed bin (12)
It is connected by pneumatic plate (15) with the feed end of buffering chamber (13)；The bulkhead of buffering chamber (13) is also interlayer water-cooling wall, and with
Interlayer water-cooling wall in furnace wall (5) forms water route and communicates；The discharge end of buffering chamber (13) connects blanking by Pneumatic reverse turning bed component
Manage (14) upper end；Material blanking tube (14) passes through the top plate (6) of furnace body, the center of lower mouth face combustion chamber (2) fire grate；Material blanking tube (14)
Tube wall, which is contacted with refractory material and builds at course (7), ring cooling air duct (16) protection；
Above-mentioned Pneumatic reverse turning bed component is made of cylinder (17), crankshaft (18), counterweight (19) and valve plate (20)；Cylinder (17)
Connecting rod driving crankshaft (18) crank, shaft is radial to install counterweight (19) on one side, and another side is fixed valve plate (20)；Make
When cylinder (17) is inflated, connecting rod stretches out driving crankshaft (18) rotation, opens downwards with valve plate (20)；Cylinder (17) loses gas
When, under the effect of gravity, driving crankshaft (18) rotates backward counterweight (19), closes upwards with valve plate (20)；
The air intake of above-mentioned ring cooling air duct (16) connects air blower air hose (22) by volume damper (21)；Annular cooling wind
Manage the secondary benefit wind swirl diffuser of outlet air end connection combustion chamber (2) side of (16).
2. a kind of biomass fuel firing method using biomass combustion machine described in claim 1, it is characterised in that: this method packet
Include following steps:
1) center of combustion chamber (2) fire grate is sent by charging gear and is fallen in biomass fuel, lights a fire or ignites, makes biomass
Fuel starts to burn；After ignition temperature reaches 250~300 DEG C, air blower is opened to an air compartment (4) of combustion chamber (2) lower end
Air blast oxygen supply；Ignition temperature is set to reach 400~550 DEG C；
2) filling allows the Pneumatic reverse turning bed component of charging gear to close the discharge end of buffering chamber (13), first to prevent high temperature combustors (2)
It is tempered by material blanking tube (14)；Then, biomass fuel is sent into the feed bin (12) of charging gear；It opens pneumatic plate (15), it is raw
Biomass fuel is sent into the buffering chamber (13) of charging gear, closes pneumatic plate (15)；The cylinder (17) of Pneumatic reverse turning bed component is opened,
Inflate cylinder (17), connecting rod stretches out driving crankshaft (18) rotation, opens downwards with valve plate (20)；Biomass fuel is fallen
Enter the center of combustion chamber (2) fire grate, and uniformly scatters to fire grate surrounding；Close the cylinder (17) of Pneumatic reverse turning bed component, counterweight
(19) under the effect of gravity, driving crankshaft (18) rotates backward, and closes going out for buffering chamber (13) upwards with valve plate (20)
Expect end；
3) biomass fuel added constantly burns in combustion chamber (2), the air blast of air blower output, through volume damper (21)
Control air quantity is adjusted, into after ring cooling air duct (16) preheating on material blanking tube (14) tube wall, then is sent into secondary benefit wind eddy flow
Air port generates whirlwind oxygenating in combustion chamber (2), and biomass fuel is formed spiral flow fluidized under whirlwind drive in combustion chamber (2)
Burning persistently generates 600~700 DEG C of medium temperature flue gas；Medium temperature flue gas goes out fire by being mounted on the combustion chamber of the upside of furnace body (1)
Mouth (3) further burns through wind-supplying mouth three times (10) oxygenating and improves temperature to 750 DEG C, and output provides high-temperature flue gas heat source outward；
4) control is fed when being set in combustion chamber (2) high temperature, and when low temperature does not feed；Made using combustion chamber (2) high temperature air-flow
The covering of biomass fuel is more uniform to be dispersed on fire grate；
In the above method, the excess air coefficient of combustion chamber (2) internal cyclone oxygenating of the biomass combustion machine is 1.0~1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319623.XA CN109442394B (en) | 2018-11-07 | 2018-11-07 | Biomass combustion machine and biomass combustion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319623.XA CN109442394B (en) | 2018-11-07 | 2018-11-07 | Biomass combustion machine and biomass combustion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109442394A true CN109442394A (en) | 2019-03-08 |
| CN109442394B CN109442394B (en) | 2020-05-01 |
Family
ID=65551002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811319623.XA Active CN109442394B (en) | 2018-11-07 | 2018-11-07 | Biomass combustion machine and biomass combustion method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109442394B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107885A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | The furnace body top cover of straw burning machine |
| CN110131744A (en) * | 2019-06-14 | 2019-08-16 | 郴州华峰能源科技有限公司 | The feeding device of straw burning machine |
| CN113124417A (en) * | 2021-05-14 | 2021-07-16 | 合肥三伍机械有限公司 | Hot-blast stove for grain dryer |
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| CN102889582A (en) * | 2012-09-18 | 2013-01-23 | 佛山市广盛金生物能源科技有限公司 | Biomass burner |
| TWM453808U (en) * | 2013-01-16 | 2013-05-21 | Zong Yuan Consultant Company | Combustion machine for burning biomass wood flour moulding grain |
| WO2014102427A1 (en) * | 2012-12-26 | 2014-07-03 | Villoria Otero Domingo Aquilino | Appliance for generating hot air from biomass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
| CN101893233A (en) * | 2010-06-27 | 2010-11-24 | 朱春华 | Biomass semi-gasification automatic control combustion engine |
| CN102889582A (en) * | 2012-09-18 | 2013-01-23 | 佛山市广盛金生物能源科技有限公司 | Biomass burner |
| WO2014102427A1 (en) * | 2012-12-26 | 2014-07-03 | Villoria Otero Domingo Aquilino | Appliance for generating hot air from biomass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110107885A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | The furnace body top cover of straw burning machine |
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| CN113124417A (en) * | 2021-05-14 | 2021-07-16 | 合肥三伍机械有限公司 | Hot-blast stove for grain dryer |
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| Publication number | Publication date |
|---|---|
| CN109442394B (en) | 2020-05-01 |
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