CN106838992A - Biomass combustion energy-saving and emission-reduction heating system - Google Patents
Biomass combustion energy-saving and emission-reduction heating system Download PDFInfo
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- CN106838992A CN106838992A CN201611207462.6A CN201611207462A CN106838992A CN 106838992 A CN106838992 A CN 106838992A CN 201611207462 A CN201611207462 A CN 201611207462A CN 106838992 A CN106838992 A CN 106838992A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 83
- 239000002028 Biomass Substances 0.000 title claims abstract description 64
- 238000010438 heat treatment Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000011229 interlayer Substances 0.000 claims description 20
- 239000003610 charcoal Substances 0.000 claims description 13
- 238000004062 sedimentation Methods 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000002309 gasification Methods 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 28
- 239000007789 gas Substances 0.000 description 25
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 24
- 239000000463 material Substances 0.000 description 16
- 239000000446 fuel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010902 straw Substances 0.000 description 6
- 238000012271 agricultural production Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000009275 open burning Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/183—Stoves with open fires, e.g. fireplaces with additional provisions for heating water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
- F24B1/1915—Means for removing ash
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
- F24B1/193—Grates; Irons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses a kind of biomass combustion energy-saving and emission-reduction heating system, including：Combustion furnace, water tank and heat exchanger, the water inlet end of combustion furnace are connected with the delivery port of water tank, and the water inlet of water tank is connected with the delivery port of heat exchanger, and the water inlet of heat exchanger is connected with the water side of combustion furnace.The present invention solves the problems, such as that gasification of biomass thermal conversion rate is low, and biomass combustion is insufficient, produces the problem of tar and pernicious gas.
Description
Technical field
The present invention relates to heating system.It is more particularly related to a kind of biomass combustion energy-saving and emission-reduction heating system
System.
Background technology
China is a large agricultural country, and substantial amounts of agricultural crop straw, chaff are generated in agricultural production and processing of farm products
The biomass resources such as slag.Traditional Land use systems are mainly used as home energy source, feed, fertilizer, the raw material of industry and construction material.With
Agricultural technology modernization and the fast development of agricultural economy, life in the countryside level significantly improves and live the prominent of the mode of production
Become, the ratio of rural households' selection commercial energy is being improved constantly, and the quantity that agricultural crop straw is used as the energy is constantly declined, business
The product energy (such as coal, liquefied gas) has turned into main cooking energy.Cultivation is used to biomass straw, and weeds feed is raised by commodity
Material is substituted, and the biomass organic fertilizer needed for agricultural production is substituted by inorganic fertilizer, stalk used by life of farmers and agricultural production
Drastically decline.Meanwhile, agricultural crop straw yield rapidly increases with crops, the particularly increase of cereal crops yield.Farming
Drug on the market causes stalk to be abandoned in field, house courtyard for thing stalk, or even is directly burned in field.Abandon in room
The stalk in room courtyard and field can influence environment and trigger fire, cause pollution of waterhead.In open incineration stalk meeting contaminated air,
Harm people's health, especially can influence traffic safety in airport, near Highway burning, cause aircraft to ground, highway automobile
Knock into the back collision, the adverse consequences such as shade tree is burned out.At present, although various regions government has all put into effect the method for forbidding Open Burning Crop Residue
Rule, but open incineration agricultural crop straw still remains incessant after repeated prohibition, and environment causes severe contamination, causes tremendous economic to damage to society
Lose.
While the biomass resources such as stalk are wasted, the combustion gas that is used in China's industrial and agricultural production, fuel oil, heat energy,
The current main fossil energy such as coal, oil is increasingly reduced, and famine, energy crisis has become social development
Bottleneck problem, is problem in the urgent need to address at present.
With the fast development of society, people pay attention to for energy-saving and emission-reduction and ecological environmental protection increasingly increased, constantly seek
Ask using the new energy, control atmosphere pollution, energy-saving and emission-reduction reduce greenhouse effects.It is raw with agricultural crop straw, excrement, chaff slag etc.
The technology that physical obsolescence resource comprehensive is converted into available resources has caused the highest attention of departments at different levels of government.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of biomass combustion energy-saving and emission-reduction heating system, gasification of biomass is solved
The low problem of thermal conversion rate, and biomass combustion is insufficient, produces the problem of tar and pernicious gas.
In order to realize these purposes of the invention and further advantage, there is provided a kind of biomass combustion energy-saving and emission-reduction are supplied
Heating system, including：Combustion furnace, water tank and heat exchanger, the water inlet end of combustion furnace are connected with the delivery port of water tank, water tank
Water inlet is connected with the delivery port of heat exchanger, and the water inlet of heat exchanger is connected with the water side of combustion furnace, and the combustion furnace includes：
Outer cylinder body, it is that inner hollow, lower end closed, upper end are provided with the cylindrical structural of a circular open, the outer barrel
The bottom of body is provided with the first switchable gray-drawing port；
Inner barrel, it is the cylindrical structural of inner hollow, upper and lower opening, and the inner barrel is arranged in outer cylinder body, and
It is coaxially disposed with the outer cylinder body, the top of the inner barrel flushes with the top of outer cylinder body, and the inner barrel top is opened
Mouth is seamlessly connected with the circular open of the outer cylinder body upper end, the longitudinal direction of the longitudinal length less than the outer cylinder body of the inner barrel
Length, the bottom of the inner barrel opens up multiple air admission holes along inner barrel circumferencial direction interval；
Feeding cylinder, it is in up big and down small frustum cone structure, and the top surface closing of the feeding cylinder coaxially sets with the inner barrel
Put, the bottom of the feeding cylinder is seamlessly connected and connects with the top of the inner barrel, and stock guide is provided with the feeding cylinder,
The stock guide from top to bottom extends to the bottom of feeding cylinder in the shape of a spiral, the first side laminating feeding cylinder of the stock guide it is interior
Wall is set, and a riser, the top point of the feeding cylinder are extended in the stock guide second side relative with the first side straight up
Two charging apertures connected with the stock guide upper end are not provided with；
Sedimentation platform, it is the round table-like structure of up-small and down-big inner hollow, and its top passes through with the bottom of the inner barrel
Fire grate is seamlessly connected, and the hollow structure inside sedimentation platform from top to bottom forms combustion chamber and ash-falling chamber, and the combustion chamber is upper big
Under small frustum cone structure, the top of the combustion chamber is coplanar with the top of the sedimentation platform；The ash-falling chamber is up-small and down-big
Frustum cone structure, the bottom of the top of the ash-falling chamber and the combustion chamber is seamlessly connected and connect, the bottom of the ash-falling chamber and
The first gray-drawing port connection；
Inlet channel, its be tube wall around inner barrel bottom single-screw shape passage circular in the shape of a spiral from inside to outside,
The tube wall bottom of inlet channel and the seamless fixation of circular conical surface of the sedimentation platform, the tube wall top horizontal seal of inlet channel so that
The inlet channel forms the cylindrical structural for being coated on the inner barrel lower outside；The inlet channel is located at the inner cylinder
One end of body is connected by the multiple air admission hole with inner barrel, and the inlet channel connects an air inlet away from one end of inner barrel
Pipe passes the outer cylinder body and ft connection；
Heat exchanger channels, it includes heat exchanging water pipe and heat exchanging interlayer, the heat exchanging water pipe around the periphery of inner barrel from inside to outside
It is arranged in the shape of a spiral between the inlet channel and outer cylinder body roof, the outer wall of the heat exchanging water pipe is by the sky of place outer cylinder body
Between limit spiral exhaust passage；The heat exchanging interlayer is to be set in the feeding cylinder outside to be formed with charging drum outer wall
Hollow sandwich, the upper end of the heat exchanging interlayer is provided with water side；The heat exchanging water pipe is water inlet end away from one end of inner barrel, its
Extend outer cylinder body, and be connected with the delivery port of water tank, the heat exchanging water pipe near one end of inner barrel be water side, its with
The bottom connection of the heat exchanging interlayer；The inlet end of exhaust passage passes through between outer cylinder body inwall and the outer wall of inlet channel
Hole connected with ash-falling chamber；
Chimney, it is that the annular being set in outside the feeding cylinder and the heat exchanging interlayer is coaxially disposed with the feeding cylinder
Smoke chamber, the top closure of the chimney, its side wall upper part is provided with exhaust outlet, and exhaust passage is near one end of the inner barrel
Gas end, it is connected with the bottom of chimney；The annular smoke chamber is tilted to be provided with annular filter plate, smoke chamber is divided into upper and lower
Two spaces, the second switchable gray-drawing port is provided with chimney wall corresponding with the annular filter plate least significant end.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, the upper surface of the stock guide is provided with wood
Layer of charcoal.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, the inwall of the inner barrel and positioned at multiple
Air admission hole top is evenly arranged with multiple downward-sloping dividing plates, and the first end of the dividing plate is consolidated with the inwall of the inner barrel
Fixed, the second end of the dividing plate is provided with charcoal layer towards the central shaft of inner barrel on the dividing plate.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, offers equally distributed on the dividing plate
Through hole, the aperture of the through hole is 1mm, and the dividing plate is 30 °~45 ° with the angle of horizontal plane.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, it is characterised in that the feeding cylinder top sets
It is equipped with air inlet.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, the height of the ash-falling chamber and the combustion chamber
Degree is than being 1:6, the internal diameter ratio on combustion chamber top, combustion chamber bottom and ash-falling chamber bottom is 3:2:6.
Preferably, described biomass combustion energy-saving and emission-reduction heating system, the chimney jambs top is provided with lights
Mouthful, the annular smoke chamber is tilted to be provided with annular filter plate, and smoke chamber is divided into upper and lower two spaces, with the annular filter
The second switchable gray-drawing port is provided with the corresponding chimney wall of plate least significant end.
Preferably, the angle of described biomass combustion energy-saving and emission-reduction heating system, the annular filter plate and horizontal plane
It is 30-45 °.
The present invention at least includes following beneficial effect：
1st, with domestic heat pipeline be combined biomass material such as stalk by biomass heating system, has abandoned traditional confession
Heating equipment, as fuel, solves the problems such as new rural village reducing energy consumption, energy-saving and emission-reduction using natural gas, and later stage expense is low, more sharp
Promoted in rural area.
2nd, the charcoal layer set on the dividing plate of inner barrel in the application, as the catalyst of tar, makes biomass fuel exist
Tar is just sufficiently catalytic when being burnt in inner barrel, significantly improves gasification of biomass efficiency.
The 3rd, two charging apertures are set in feeding cylinder, biomass fuel and the ashes from ash-falling chamber's discharge are uniformly entered respectively,
Biomass fuel is heated using the waste heat of ashes, and carries out primary combustion, by the stock guide in feeding cylinder setting spiral simultaneously
Riser is set, biomass material and ashes is carried out screw along stock guide, extend its motion path in feeding cylinder, make
Ashes mix evenly with biomass material, burning more fully, compared to being not provided with stock guide and other identical feeding cylinders, phase
The biomass fuel and ashes of same amount biogas rate of primary combustion in the feeding cylinder of the application at least improve 30%.
And ashes carry out pyrolysis again into the material that inner barrel will not be pyrolyzed completely under the high temperature conditions, it is ensured that material fills
Divided combustion.
Further advantage of the invention, target and feature embody part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of biomass combustion energy-saving and emission-reduction heating system of the invention；
Fig. 2 is the structural representation of combustion furnace of the present invention；
Fig. 3 is the overlooking the structure diagram of heat exchanging water pipe and exhaust passage in heat exchanger channels.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
In the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", it is D score, "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and is simplified description, be not to indicate or imply that the device or element of meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
As Figure 1-3, the present invention provides a kind of biomass combustion energy-saving and emission-reduction heating system, including：Combustion furnace 1, storage
Water pot 2 and heat exchanger 3, the water inlet end of combustion furnace 1 are connected with the delivery port of water tank 2, water inlet and the heat exchanger 3 of water tank 2
Delivery port connection, the water inlet of heat exchanger 3 is connected with the water side of combustion furnace 1, and the combustion furnace 1 includes：
Outer cylinder body 11, it is that inner hollow, lower end closed, upper end are provided with the cylindrical structural of a circular open, described outer
The bottom of cylinder 11 is provided with the first switchable gray-drawing port 111, and the ashes after biomass combustion are discharged from the first gray-drawing port.
Inner barrel 12, it is the cylindrical structural of inner hollow, upper and lower opening, and the inner barrel 12 is arranged at outer cylinder body 11
It is interior, and be coaxially disposed with the outer cylinder body 11, the top of the inner barrel 12 flushes with the top of outer cylinder body 11, and the inner cylinder
The opening on the top of body 12 is seamlessly connected with the circular open of the upper end of the outer cylinder body 11, and the longitudinal length of the inner barrel 12 is less than
The longitudinal length of the outer cylinder body 11, so that the bottom of outer cylinder body 11 can set sedimentation platform 14.The bottom of the inner barrel 12
Multiple air admission holes 121 are opened up along the circumferencial direction of inner barrel 12 interval, it is connected with inlet channel 15.
Feeding cylinder 13, it is in up big and down small frustum cone structure, the top surface closing of the feeding cylinder 13, with the inner barrel 12
It is coaxially disposed, the bottom of the feeding cylinder 13 is seamlessly connected and connects with the top of the inner barrel 12, in the feeding cylinder 13
Stock guide 131 is provided with, the stock guide 131 from top to bottom extends to the bottom of feeding cylinder 13, the stock guide in the shape of a spiral
The inwall of 131 the first side laminating feeding cylinder 13 is set, and second side relative with the first side of the stock guide 131 is prolonged straight up
A riser is stretched out, the spiral helicine stock guide for being provided with riser makes biomass material and ashes carry out screw along stock guide, extended
Its motion path in feeding cylinder, makes ashes mix with biomass material evenly, burns more abundant.The feeding cylinder 13
Top is respectively equipped with two charging apertures 132 and 133 connected with the upper end of the stock guide 131, and two charging apertures are set here, point
Do not enter biomass material and ashes, biomass are heated in fill process using the waste heat of ashes, substantially increase thermal effect
The application of rate, while ashes are carried out with a burning again, it is ensured that the combustible in ashes is fully pyrolyzed.
Sedimentation platform 14, it is the round table-like structure of up-small and down-big inner hollow, with the bottom of the inner barrel 12 at the top of it
It is seamlessly connected by fire grate 4, the hollow structure inside sedimentation platform 14 from top to bottom forms combustion chamber 141 and ash-falling chamber 142, described
Combustion chamber 141 is up big and down small frustum cone structure, and the top of the combustion chamber 141 is coplanar with the top of the sedimentation platform 14；Institute
Ash-falling chamber 142 is stated for up-small and down-big frustum cone structure, the top of the ash-falling chamber 142 is seamless with the bottom of the combustion chamber 141
Connection and connection, the bottom of the ash-falling chamber 142 connects with first gray-drawing port 111.Sedimentation platform is set to frustum cone structure,
Open up combustion chamber and ash-falling chamber in frustum cone structure successively again, the wall for settling platform there is one to be oriented to work the ashes after burning
With, ashes is moved towards the bottom of outer cylinder body, prevent ashes from being moved to exhaust passage under the drive of gas, reduce exhaust logical
Heat exchange efficiency in road.The gas of biomass combustion production is moved into exhaust passage, High Temperature Gas by the bottom up of outer cylinder body
The water of body exchange hot-water line flowing is exchanged heat.
Inlet channel 15, it is tube wall logical around the bottom of the inner barrel 12 single-screw shape circular in the shape of a spiral from inside to outside
Road, the tube wall bottom of inlet channel 15 and the seamless fixation of circular conical surface for settling platform 14, the tube wall top water of inlet channel 15
Plain seal is so that the inlet channel 15 forms the cylindrical structural for being coated on the lower outside of the inner barrel 12；The air inlet is led to
One end that road 15 is located at the inner barrel 12 is connected by the multiple air admission hole 121 with inner barrel 12, the inlet channel 15
One end one air inlet pipe 151 of connection away from inner barrel 12 passes the outer cylinder body 11 and ft connection.In inlet channel is arranged at
Between outer cylinder body, the heat produced using biomass combustion is preheated to inlet channel, the air that makes to be passed through, oxygen-enriched air or
Person's ozone (being not limited to the gas illustrated herein) reacts by entering back into inner barrel after heating with biomass material, improves reaction temperature
Degree, and inlet channel also has the effect of storage gas.
Heat exchanger channels 16, it includes heat exchanging water pipe 161 and heat exchanging interlayer 162, water is passed through in heat exchanging water pipe 161, described to change
Hot-water line 161 be arranged in the shape of a spiral from inside to outside around the periphery of inner barrel 12 inlet channel 15 and the roof of outer cylinder body 11 it
Between, the space of place outer cylinder body 11 is limited spiral exhaust passage 163 by the outer wall of the heat exchanging water pipe 161, and exhaust is logical
The high heat value gas of biomass pyrolytic generation are flowed in road 163.The heat exchanging interlayer 162 is to be set in outside the feeding cylinder 13
The hollow sandwich that portion and the outer wall of feeding cylinder 13 are formed, the upper end of the heat exchanging interlayer 162 is provided with water side, itself and heat exchanger 3
Water inlet is connected；The heat exchanging water pipe 161 is water inlet end 1611 away from one end of inner barrel 12, and it extends outer cylinder body 11, and
Delivery port with water tank 2 is connected, and the heat exchanging water pipe 161 is water side 1612, itself and institute near one end of inner barrel 12
State the bottom connection of heat exchanging interlayer 162；The inlet end of exhaust passage 163 is outer with inlet channel 163 by the inwall of outer cylinder body 11
Hole between layer tube wall is connected with ash-falling chamber 142, i.e., be heat exchange high-temperature gas flow direction, first in accompanying drawing 2 shown in dotted arrow
Enter the outermost layer of exhaust passage by ash-falling chamber, discharged near the direction of inner barrel with the helical structure of exhaust passage.When changing
When hot-water line is arranged at the periphery of inner barrel in the shape of a spiral, water route passes in and out in the shape of a spiral, with the heat in spiral helicine exhaust passage
Gas sufficiently carries out heat exchange, then via the heat exchanging interlayer being arranged on outside feeding cylinder, enters through the heat with generation in feeding cylinder
One step is delivered to heat exchanger after carrying out heat exchange, realizes the heating to user.
Chimney 17, it is to be coaxially disposed to be set in the feeding cylinder 13 and the heat exchanging interlayer 162 with the feeding cylinder 13
Outside annular smoke chamber, the top closure of the chimney 17, its side wall upper part is provided with exhaust outlet 171, and exhaust passage 163 is near institute
One end of inner barrel 12 is stated for outlet side 1631, it is connected with the bottom of chimney 17.Chimney is sheathed on outside feeding cylinder, using from cigarette
Gas waste-heat in chimney is heated to the material in feeding cylinder, takes full advantage of the calorific value of discharge gas, improves hot-cast socket
Rate.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, the stock guide 131 it is upper
Surface is provided with charcoal layer, to be catalyzed a part of tar in feeding cylinder.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, the inner barrel 12 it is interior
Wall and be evenly arranged with multiple downward-sloping dividing plates 18 positioned at the top of multiple air admission holes 121, the first end of the dividing plate 18 with
The inwall of the inner barrel 12 is fixed, the second end of the dividing plate 18 towards inner barrel 12 central shaft, and without reaching in
Heart axle, charcoal layer is provided with the dividing plate 18.Charcoal, can be in crack biomass material pyrolytic process used as non-metallic catalyst
The tar of generation, because dividing plate is used as being obliquely installed, carbon deposit meeting under the collision of ashes that charcoal is produced in cracking process
Part carbon deposit is taken away, the activity of charcoal is improved, and dividing plate also has guide effect.
In the presence of charcoal layer on stock guide and dividing plate, whole tar are made to be catalytically conveted to gas.To combustion chamber bottom
It is 0 that the gas in portion carries out tar detection level, has accomplished 0 discharge of tar, prevents tar from adhering to heat exchange into heat exchanging interlayer
The outer wall of water pipe and block heat exchanging interlayer, and influence water route heat exchange.
The charcoal of same shape and quality is horizontally disposed with as 1 group respectively, is obliquely installed as 2 groups (with horizontal plane
Angle is 30 °~45 °), the gas 60min containing equivalent tar is passed through to 1 group and 2 groups respectively, 1 group and 2 groups of charcoals are tested afterwards
Specific surface area, 2 groups of charcoal specific surface area is higher than 1 group of specific surface area 7.1%.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system is opened up on the dividing plate 18
There is equally distributed through hole, the aperture of the through hole is 1mm, and the dividing plate 18 is 30 °~45 ° with the angle of horizontal plane.Have
Certain compartmentation, allows part ashes to be passed through from through hole, so that with no complete biomass material of burning in inner barrel
Separately reaction, makes biomass material more be concentrated in inner barrel, and reaction temperature is higher, and reacts more abundant；Wherein, in ashes are located at
Outer ring in cylinder, the inner ring that biomass material is located at inner barrel declines.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, the top of the feeding cylinder 13
It is provided with air inlet 134.Oxygen-enriched air can be passed through to air inlet when needing, biomass material is started burning in feeding cylinder, prolonged
Combustion path long.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, the ash-falling chamber 142 and institute
The height ratio for stating combustion chamber 141 is 1:6, the internal diameter ratio on the top of combustion chamber 141, the bottom of combustion chamber 141 and the bottom of ash-falling chamber 142
It is 3:2:6.Under height is than lower and internal diameter ratio herein, it is avoided that ashes take away blocking pipeline, and influence and water route by hot gas
Heat exchange.After testing, ashes take away rate less than 0.4% by hot gas.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, on the side wall of the chimney 17
Portion is provided with lights mouth 172, and the annular smoke chamber is tilted to be provided with annular filter plate 173, and smoke chamber is divided into upper and lower two
Space, the second switchable gray-drawing port 174 is provided with the wall of chimney 17 corresponding with the least significant end of annular filter plate 173.At this
In technical scheme, further discharge gas is burnt, it is ensured that burning is fully free from environmental pollution, wherein, the hole of annular filter plate
Footpath is positioned to allow for gas and passes through, and the ashes for producing cannot pass through, and the size of usual ashes is 20-300um.
In another technical scheme, described biomass combustion energy-saving and emission-reduction heating system, the annular filter plate 173 with
The angle of horizontal plane is 30-45 °, under the angle ashes can assemble with relatively low one end, conveniently draw ash.
In the above-mentioned technical solutions, the operation principle of heating system is：Combustion furnace is first existed using biomass fuel and time ash
Mixing pyrolysis is carried out in feeding cylinder, in later falling into inner barrel, under conditions of inlet channel constantly blasts oxygen rich gas, inner cylinder
The biomass fuel of the internal preliminary pyrolysis of biomass fuel and process further reacts, and is fallen into combustion chamber by fire grate,
Due to being connected with inner barrel in combustion chamber, part oxygen rich gas enter combustion chamber in, make burning more abundant, produce high-temperature gas and
Ash, from the discharge of the first gray-drawing port, high-temperature gas and is changed ash then from ash-falling chamber from bottom to top into the exhaust passage of heat exchanger channels
Liquid in hot-water line carries out heat exchange, and high-temperature gas is discharged from chimney and feeding cylinder is conducted heat, and passes through the high-temperature liquid of heat exchange
Then by the further heat exchange of heat exchanging interlayer, into heat exchanger, the hot water in heat exchanger is exported body by heat energy, high-temp liquid
Temperature reduction, is discharged through heat exchanger, and into water tank, the water in water tank is exchanged heat by combustion furnace again, is recycled,
In this programme, can magnetic valve regulating pondage be set at heat exchanger to adjust the temperature of heat exchanger.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (8)
1. a kind of biomass combustion energy-saving and emission-reduction heating system, including：Combustion furnace, water tank and heat exchanger, the water inlet of combustion furnace
End is connected with the delivery port of water tank, and the water inlet of water tank is connected with the delivery port of heat exchanger, water inlet and the combustion of heat exchanger
Burn the water side connection of stove, it is characterised in that the combustion furnace includes：
Outer cylinder body, it is that inner hollow, lower end closed, upper end are provided with the cylindrical structural of a circular open, the outer cylinder body
Bottom is provided with the first switchable gray-drawing port；
Inner barrel, it is the cylindrical structural of inner hollow, upper and lower opening, and the inner barrel is arranged in outer cylinder body, and with institute
State outer cylinder body to be coaxially disposed, the top of the inner barrel flushes with the top of outer cylinder body, and the opening on the inner barrel top with
The circular open of the outer cylinder body upper end is seamlessly connected, and the longitudinal length of the inner barrel is long less than the longitudinal direction of the outer cylinder body
Degree, the bottom of the inner barrel opens up multiple air admission holes along inner barrel circumferencial direction interval；
Feeding cylinder, it is in up big and down small frustum cone structure, and the top surface closing of the feeding cylinder is coaxially disposed with the inner barrel,
The bottom of the feeding cylinder is seamlessly connected and connects with the top of the inner barrel, and stock guide, institute are provided with the feeding cylinder
State the bottom that stock guide from top to bottom extends to feeding cylinder in the shape of a spiral, the inwall of the first side laminating feeding cylinder of the stock guide
Set, a riser, the top difference of the feeding cylinder are extended in the stock guide second side relative with the first side straight up
It is provided with two charging apertures connected with the stock guide upper end；
Sedimentation platform, it is the round table-like structure of up-small and down-big inner hollow, and its top passes through fire grate with the bottom of the inner barrel
It is seamlessly connected, the hollow structure inside sedimentation platform from top to bottom forms combustion chamber and ash-falling chamber, the combustion chamber is up big and down small
Frustum cone structure, the top of the combustion chamber with it is described sedimentation platform top it is coplanar；The ash-falling chamber is up-small and down-big round platform
Structure, the bottom of the top of the ash-falling chamber and the combustion chamber is seamlessly connected and connects, the bottom of the ash-falling chamber with it is described
First gray-drawing port is connected；
Inlet channel, it is tube wall around inner barrel bottom single-screw shape passage circular in the shape of a spiral from inside to outside, air inlet
The tube wall bottom of passage and the seamless fixation of circular conical surface for settling platform, the tube wall top horizontal seal of inlet channel is so that described
Inlet channel forms the cylindrical structural for being coated on the inner barrel lower outside；The inlet channel is located at the inner barrel
One end is connected by the multiple air admission hole with inner barrel, and the inlet channel connects an air inlet pipe and wears away from one end of inner barrel
Go out the outer cylinder body and ft connection；
Heat exchanger channels, it includes heat exchanging water pipe and heat exchanging interlayer, and the heat exchanging water pipe is in from inside to outside spiral shell around the periphery of inner barrel
Rotation shape is arranged between the inlet channel and outer cylinder body roof, and the outer wall of the heat exchanging water pipe limits the space of place outer cylinder body
Fixed spiral exhaust passage；The heat exchanging interlayer is to be set in the feeding cylinder outside and feed the hollow of drum outer wall formation
Interlayer, the upper end of the heat exchanging interlayer is provided with water side；The heat exchanging water pipe is water inlet end away from one end of inner barrel, its extension
Go out outer cylinder body, and be connected with the delivery port of water tank, the heat exchanging water pipe near one end of inner barrel be water side, its with it is described
The bottom connection of heat exchanging interlayer；The inlet end of exhaust passage is by the hole between outer cylinder body inwall and the outer wall of inlet channel
Gap is connected with ash-falling chamber；
Chimney, it is that the annular cigarette being set in outside the feeding cylinder and the heat exchanging interlayer is coaxially disposed with the feeding cylinder
Chamber, the top closure of the chimney, its side wall upper part is provided with exhaust outlet, and exhaust passage is outlet near one end of the inner barrel
End, it is connected with the bottom of chimney；The annular smoke chamber is tilted to be provided with annular filter plate, and smoke chamber is divided into upper and lower two
Individual space, the second switchable gray-drawing port is provided with chimney wall corresponding with the annular filter plate least significant end.
2. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 1, it is characterised in that the upper table of the stock guide
Face is provided with charcoal layer.
3. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 1, it is characterised in that the inwall of the inner barrel
And it is evenly arranged with multiple downward-sloping dividing plates, the first end of the dividing plate and the inner barrel positioned at multiple air admission holes top
Inwall fix, the second end of the dividing plate is provided with charcoal layer towards the central shaft of inner barrel on the dividing plate.
4. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 3, it is characterised in that offered on the dividing plate
Equally distributed through hole, the aperture of the through hole is 1mm, and the dividing plate is 30 °~45 ° with the angle of horizontal plane.
5. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 1, it is characterised in that the feeding cylinder top sets
It is equipped with air inlet.
6. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 1, it is characterised in that the ash-falling chamber with it is described
The height ratio of combustion chamber is 1:6, the internal diameter ratio on combustion chamber top, combustion chamber bottom and ash-falling chamber bottom is 3:2:6.
7. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 1, it is characterised in that the chimney jambs top
It is provided with and lights mouth, the annular smoke chamber is tilted is provided with annular filter plate, and smoke chamber is divided into upper and lower two spaces, with
The second switchable gray-drawing port is provided with the corresponding chimney wall of the annular filter plate least significant end.
8. biomass combustion energy-saving and emission-reduction heating system as claimed in claim 7, it is characterised in that the annular filter plate and water
The angle of plane is 30-45 °.
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| CN201611207462.6A CN106838992B (en) | 2016-12-23 | 2016-12-23 | Biomass combustion energy-saving and emission-reduction heating system |
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| CN107339800A (en) * | 2017-08-16 | 2017-11-10 | 江苏金麦穗生态农业科技有限公司 | A kind of combusting rice hull heat exchanger |
| CN109028154A (en) * | 2018-08-31 | 2018-12-18 | 张振山 | A kind of biomass granule fuel integrated cooking stove |
| CN111550816A (en) * | 2020-05-15 | 2020-08-18 | 巫仁科 | Efficient biomass heat supply conversion system |
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|---|---|
| CN106838992B (en) | 2018-12-11 |
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