CN109282276A - A kind of biomass gasifying machine - Google Patents
A kind of biomass gasifying machine Download PDFInfo
- Publication number
- CN109282276A CN109282276A CN201811318827.1A CN201811318827A CN109282276A CN 109282276 A CN109282276 A CN 109282276A CN 201811318827 A CN201811318827 A CN 201811318827A CN 109282276 A CN109282276 A CN 109282276A
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- Prior art keywords
- combustion chamber
- air
- biomass
- charging gear
- cylinder
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Classifications
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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
- F23B90/00—Combustion methods not related to a particular type of apparatus
- F23B90/04—Combustion methods not related to a particular type of apparatus including secondary combustion
- F23B90/06—Combustion methods not related to a particular type of apparatus including secondary combustion the primary combustion being a gasification or pyrolysis in a reductive atmosphere
-
- 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
- F23K3/16—Over-feed arrangements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The present invention relates to a kind of biomass gasifying machines, including furnace body, combustion chamber, gas outlet, charging gear and air blower;Combustion chamber lower end is an air compartment, and combustion chamber lateral layout has secondary benefit wind swirl diffuser;Feed inlet design is placed on right above combustion chamber directly heated blanking by the present invention, of simple structure and low cost, has apparent beneficial effect.
Description
Technical field
The invention belongs to Biomass Energy Utilization apparatus fields, and in particular to a kind of biomass gasifying machine.
Background technique
Biomass gasifying 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 gasifying machine, and structure is simple, at low cost
It is honest and clean, there is apparent beneficial effect.
To achieve the above object, the invention adopts the following technical scheme: a kind of biomass gasifying machine, including furnace body, burning
Room, gas outlet, charging gear and air blower;Combustion chamber lower end is an air compartment, and combustion chamber lateral layout has secondary benefit 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 intermediate water by refractory material
Cooling layer is constituted, and the interlayer water-cooling wall waterway circulating in interlayer water-cooled layer and furnace wall communicates;The top plate centre of the furnace body is pacified
Fill charging gear;The gas outlet is mounted on the upside of furnace body, and output channel is intercalated water sleeve structure;The charging gear
It is made of feed bin, buffering chamber and material blanking tube;Feed bin is located at the top of buffering chamber, and the feed opening of feed bin passes through pneumatic plate and caching
The feed end in storehouse is connected;The bulkhead of buffering chamber is also interlayer water-cooling wall, and is communicated with the interlayer water-cooling wall water route in furnace wall;Caching
The discharge end in storehouse connects material blanking tube upper end by Pneumatic reverse turning bed component;Material blanking tube passes through the top plate of furnace body, lower mouth face combustion chamber
The center of fire grate;Blanking tube wall, which is contacted with refractory material and builds at course, ring cooling air duct protection;Above-mentioned Pneumatic reverse turning bed portion
Part is made of cylinder, crank pivoted arm, counterweight and valve plate;The crank of the connecting rod driving crankshaft of cylinder, shaft are radial on one side
Counterweight, the fixed valve plate in another side are installed;When making cylinder charge, connecting rod stretches out driving crankshaft rotation, downward with valve plate
It opens;When cylinder loses gas, under the effect of gravity, driving crankshaft rotates backward counterweight, closes upwards with valve plate;It is above-mentioned
The air intake of ring cooling air duct connects air blower air hose by volume damper;The outlet air end of ring cooling air duct is connected to combustion chamber
The secondary benefit wind swirl diffuser of side.
The technical program its by the ingenious brand-new design of combustor, audaciously by feed inlet design be placed on combustion chamber just on
Side is directly heated blanking, and charging when being set in combustion chamber high temperature, and when low temperature does not feed;Made using combustion chamber high temperature air-flow
Biomass fuel covering it is more uniform be dispersed on fire grate, after first layer biomass fuel is distributed burning, effectively
Increase subsequent bio matter fuel bed be uniformly covered on the spent biomass fuel of preceding layer, further increase eddy flow boiling
Rise combustion efficiency!Generate more combustion gas.To increase the technical effect of technical solution.And of simple structure and low cost, tool
There is apparent economic benefit.
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 gas outlets;4 air compartments;5 furnace walls;6 top plates;7 fire proofed woods
Material builds course;8 interlayer water-cooled layers;9 output channels;10 volume dampers;11 air blower air hoses;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.
Specific embodiment
As shown in Figs. 1-2, a kind of biomass gasifying machine, including furnace body 1, combustion chamber 2, gas outlet 3, charging gear and drum
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;It is characterized by: furnace
The furnace wall 5 of 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 intermediate water
Interlayer water-cooling wall waterway circulating in cooling layer 8 and furnace wall 5 communicates;6 centre of top plate of the furnace body installs charging gear;It is described
Gas outlet 3 is mounted on the upside of furnace body 1, and output channel 9 is intercalated water sleeve structure;The charging gear is by feed bin 12, slow
Storage 13 and material blanking tube 14 form;Feed bin 12 is located at the top of buffering chamber 13, the feed opening of feed bin 12 by pneumatic plate 15 with
The feed end of buffering chamber 13 is connected;The bulkhead of buffering chamber 13 is also interlayer water-cooling wall, and is formed with the interlayer water-cooling wall in furnace wall 5
Water route communicates;The discharge end of buffering chamber 13 connects 14 upper end of material blanking tube by Pneumatic reverse turning bed component;Material blanking tube 14 passes through furnace body
Top plate 6, the center of lower 2 fire grate of mouth face combustion chamber;14 tube wall of material blanking tube, which is contacted with refractory material and builds, annular cooling at course 7
Air hose 16 is protected;Above-mentioned Pneumatic reverse turning bed component is made of cylinder 17, crankshaft 18, counterweight 19 and valve plate 20;Cylinder 17
Connecting rod drives the crank of crankshaft 18, and shaft is radial to install counterweight 19, the fixed valve plate 20 in another side on one side;Fill cylinder 17
When gas, connecting rod stretches out driving crankshaft 18 and rotates, and opens downwards with valve plate 20;When cylinder 17 loses gas, counterweight 19 is in weight
Under power effect, driving crankshaft 18 is rotated backward, and is closed upwards with valve plate 20;The air intake of above-mentioned ring cooling air duct 16
Air blower air hose 22 is connect by volume damper 10;The secondary benefit of outlet air end connection 2 side of combustion chamber of ring cooling air duct 16
Wind swirl diffuser.
Using the biomass gasification method of the biomass gasifying machine, this method comprises the following steps:
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 DEG C, opens air blower and 4 air blast of air compartment of 2 lower end of combustion chamber is supplied oxygen;Make
Ignition temperature reaches 300~400 DEG C;
2) filling first allows the Pneumatic reverse turning bed component of charging gear to close the discharging of buffering chamber 13 when being in high temperature in combustion chamber
End is tempered to prevent high temperature combustors 2 by material blanking tube 14;Then, biomass fuel is sent into the feed bin 12 of charging gear;Open gas
Dynamic plate 15, biomass fuel are sent into the buffering chamber 13 of charging gear, close pneumatic plate 15;Open the gas of Pneumatic reverse turning bed component
Cylinder 17 inflates cylinder 17, and connecting rod stretches out driving crankshaft 18 and rotates, and opens downwards with valve plate 20;Biomass fuel is fallen
Enter the center of 2 fire grate of combustion chamber, and uniformly scatters to fire grate surrounding;The cylinder 17 of Pneumatic reverse turning bed component is closed, counterweight 19 exists
Under gravity, driving crankshaft 18 is rotated 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 10
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 combustion gasification under whirlwind drive in combustion chamber 2, maintains
300~400 DEG C of burning;Generated combustion gas is exported outward by being mounted on the gas outlet 3 of the upside of furnace body 1;
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 gasifying machine is 1.0~1.2.
The primary oxygen supply burning of the technical program design, oxygenating burning make high-temperature flue gas be flocked on combustion chamber crater 3
Place controls the secondary whirlwind oxygenating for mending wind swirl diffuser by controlling volume damper 10, the work of combustion chamber 2 is dexterously allowed to exist
300~400 DEG C of middle warm area;Reduce material requirement of the furnace wall 5 to heatproof of furnace body.Increase the use of the furnace wall 5 of furnace body
Service life, and increase safety!As long as using steel resistant to high temperature i.e. at combustion chamber crater 3.
Claims (2)
1. a kind of biomass gasifying machine, including furnace body (1), combustion chamber (2), gas outlet (3), charging gear and air blower;Combustion
Burning room (2) lower end is an air compartment (4), and combustion chamber (2) lateral layout has secondary benefit wind swirl diffuser;It is characterized by: furnace
The furnace wall (5) of 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 the interlayer water-cooling wall waterway circulating in interlayer water-cooled layer (8) and furnace wall (5) communicates;Top plate (6) centre of the furnace body is pacified
Fill charging gear;The gas outlet (3) is mounted on the upside of furnace body (1), and output channel (9) is intercalated water sleeve structure;Institute
Charging gear is stated to be made of feed bin (12), buffering chamber (13) and material blanking tube (14);Feed bin (12) is located at the top of buffering chamber (13),
The feed opening of feed bin (12) 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 form water route with the interlayer water-cooling wall in furnace wall (5) and communicate;The discharge end of buffering chamber (13) is by pneumatically turning over
Plate component connects material blanking tube (14) upper end;Material blanking tube (14) passes through the top plate (6) of furnace body, lower mouth face combustion chamber (2) fire grate
Center;Material blanking tube (14) tube wall, which is contacted with refractory material and builds at course (7), ring cooling air duct (16) protection;It is above-mentioned pneumatically to turn over
Plate component is made of cylinder (17), crankshaft (18), counterweight (19) and valve plate (20);The connecting rod of cylinder (17) drives crank
The crank of shaft (18), shaft is radial to install counterweight (19) on one side, and another side is fixed valve plate (20);Inflate cylinder (17)
When, connecting rod stretches out driving crankshaft (18) rotation, opens downwards with valve plate (20);When cylinder (17) loses gas, counterweight
(19) under the effect of gravity, driving crankshaft (18) rotates backward, and closes upwards with valve plate (20);Above-mentioned annular cooling wind
The air intake of pipe (16) connects air blower air hose (22) by volume damper (10);The outlet air end of ring cooling air duct (16) is connected to
The secondary benefit wind swirl diffuser of combustion chamber (2) side.
2. a kind of biomass gasification method using biomass gasifying machine described in claim 1, it is characterised in that: this method includes
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 DEG C, opens air blower and air compartment (4) air blast of combustion chamber (2) lower end is supplied
Oxygen;Ignition temperature is set to reach 300~400 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 (10)
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)
Combustion gasification maintains 300~400 DEG C of burning;Generated combustion gas by being mounted on the gas outlet (3) of the upside of furnace body (1),
Output outward;
4) control is set in combustion chamber and (feeds when 22 high temperature, 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 gasifying machine is 1.0~1.2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811318827.1A CN109282276B (en) | 2018-11-07 | 2018-11-07 | Biomass gasifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811318827.1A CN109282276B (en) | 2018-11-07 | 2018-11-07 | Biomass gasifier |
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CN109282276A true CN109282276A (en) | 2019-01-29 |
CN109282276B CN109282276B (en) | 2020-05-01 |
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CN201811318827.1A Active CN109282276B (en) | 2018-11-07 | 2018-11-07 | Biomass gasifier |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110107886A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | A kind of straw burning machine |
CN111748381A (en) * | 2020-07-27 | 2020-10-09 | 罗亨宽 | Biomass crushed aggregate chain-type gasification furnace |
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JP2006300501A (en) * | 2005-04-20 | 2006-11-02 | Nagasaki Kogyosho:Kk | Downward moving bed type furnace |
CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
CN102260537A (en) * | 2011-06-10 | 2011-11-30 | 杨清萍 | Device for preparing combustible gas by virtue of plasma pyrolysis and oxygen-enriched combustion-supporting material |
CN106987278A (en) * | 2017-05-23 | 2017-07-28 | 广州博恩能源有限公司 | A kind of biomass gasifying furnace |
CN209116319U (en) * | 2018-11-07 | 2019-07-16 | 郴州华峰能源科技有限公司 | A kind of biomass gasifying machine |
-
2018
- 2018-11-07 CN CN201811318827.1A patent/CN109282276B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020069798A1 (en) * | 2000-09-14 | 2002-06-13 | Aguadas Ellis Charles W. | Method and apparatus for generating and utilizing combustible gas |
JP2006300501A (en) * | 2005-04-20 | 2006-11-02 | Nagasaki Kogyosho:Kk | Downward moving bed type furnace |
CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
CN102260537A (en) * | 2011-06-10 | 2011-11-30 | 杨清萍 | Device for preparing combustible gas by virtue of plasma pyrolysis and oxygen-enriched combustion-supporting material |
CN106987278A (en) * | 2017-05-23 | 2017-07-28 | 广州博恩能源有限公司 | A kind of biomass gasifying furnace |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110107886A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | A kind of straw burning machine |
CN111748381A (en) * | 2020-07-27 | 2020-10-09 | 罗亨宽 | Biomass crushed aggregate chain-type gasification furnace |
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