CN104566952B - A kind of domestic small biomass thermal wind furnace - Google Patents
A kind of domestic small biomass thermal wind furnace Download PDFInfo
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- CN104566952B CN104566952B CN201410755214.XA CN201410755214A CN104566952B CN 104566952 B CN104566952 B CN 104566952B CN 201410755214 A CN201410755214 A CN 201410755214A CN 104566952 B CN104566952 B CN 104566952B
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- 239000002028 Biomass Substances 0.000 title claims abstract description 61
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000003546 flue gas Substances 0.000 claims abstract description 66
- 239000000446 fuel Substances 0.000 claims abstract description 66
- 238000002485 combustion reaction Methods 0.000 claims abstract description 60
- 239000000779 smoke Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 32
- 239000011229 interlayer Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000003818 cinder Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000003500 flue dust Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 239000003517 fume Substances 0.000 description 6
- 230000008520 organization Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002956 ash Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
The invention discloses a kind of domestic small biomass thermal wind furnace, including combustion chamber, dust-settling compartment, Heat Room；Fire grate is provided with below combustion chamber；The feed appliance of biomass fuel can be conveyed to combustion chamber at regular time and quantity by being provided with the Bunker lower exit port；Several air ducts are provided with the Heat Room, the gap between air duct outer wall and heat exchange chamber interior walls is exhaust gases passes；The exhanst gas outlet of Heat Room is connected by flue gas interlayer, flue gas top layer with exhaust opening；It is provided with flue gas interlayer in water tank, flue gas top layer and is provided with cold water pipe；Blast main and four blowpipes are set inside hot-blast stove.Compact conformation of the present invention, rationally distributed, heating efficiency are high, smoke discharge amount is small, small volume, are especially suitable for family and use；And the product can be that fuel is added in combustion chamber at regular time and quantity according to the burning time of biomass fuel so that fuel can be fully burned, high combustion efficiency.
Description
Technical field
The present invention relates to a kind of hot-blast stove, more particularly to a kind of domestic small biomass thermal using biomass as fuel
Wind furnace.
Background technology
Hot-blast stove is most common energy conversion devices in people's lives and industry, and it is by the chemical energy or electricity of conventional energy resource
Heat energy can be converted into, energy is supplied to corresponding equipment in the form of hot blast, be usually used in drying machine, dryer, forming machine and adopt
Warm up, be also widely used in the agricultural product such as livestock and poultry cultivation workshop, green house of vegetables Workplace.The fuel of hot-blast stove is typically
Coal；But, with the increasingly increase and the rising of coal price of environmental protection pressure, just gradually substitution coal turns into hot-blast stove to biomass
Fuel.The biomass fuel of China be mostly using stalk biomass such as maize straw, straw, cotton stalks as raw material, through granulator or
The compacting of person's stalk block making machine is formed.
Traditional biomass thermal wind furnace mainly includes Bunker, combustion chamber and Heat Room, and Bunker is located above combustion chamber.
The biomass fuel of Bunker is stored in burning Indoor Combustion, the air of the burn heat smoke and drum feeding Heat Room that produce enters
Row heat exchange, cold flue gas is discharged by exhaust opening, and hot-air is supplied to relevant device.In above-mentioned traditional hot-blast stove, biomass
The addition manner of fuel is dropped by gravity.With fuel sustained combustion on the fire grate of combustion chamber, the ashes produced after burning
Passed through by the biomass fuel that the gap of fire grate falls into bottom of combustion chamber, fire grate top occurs in space, therefore Bunker heavy
Power effect falls into combustion chamber, supplement fuel, holding burning.
But, this fuel addition manner still has many defects.Due to being connected between Bunker and combustion chamber, because
This, biomass fuel is deposited in above fire grate all the time, have impact on ventilation effect and oxygen supply, and the combustion efficiency of fuel can not be protected
Card；Moreover, when biomass fuel storage is more in Bunker, fuel presses also occur so that not sufficiently combusted complete combustion
Material is squeezed into bottom of combustion chamber by fire grate gap, have impact on the service efficiency of biomass fuel, improves heat cost.Separately
Outside, traditional general volume of biomass thermal wind furnace is larger, is not suitable for family and uses；Moreover, when biomass fuel burn incompletely
When, the toxic fuel gas such as carbon monoxide can be generated, these toxic gases are mixed in flue gas directly outer row, environment can be made
Into pollution.Discharged gas fume is generally also provided with higher temperature, and this partial heat fails to be utilized and waste, and reduces hot blast
The heat utilization ratio of stove.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of fully thorough burning, heat utilization ratio height, soot emissions
Less, fuel can be added at regular time and quantity, the small-sized biomass hot-blast stove that suitable family uses.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of domestic small biomass thermal wind furnace, including combustion chamber below Bunker, with combustion chamber
Fire grate is provided with below dust-settling compartment, the Heat Room connected with dust-settling compartment, the combustion chamber；Set at the Bunker lower exit port
There is feed appliance, biomass fuel sends into combustion chamber by feed appliance；The feed appliance includes feed mechanism and rotating mechanism；It is described
The front end face and rear end face of feed mechanism are circle, top, the bottom of feed mechanism symmetrically offer the material chamber A of cone bucket shape,
Expect chamber B；It is blocking part to expect the part between chamber A and material chamber B；The circle centre position of feed mechanism be provided with by rotating mechanism control,
The rotating shaft that feed mechanism can be driven to rotate；The framework being fixedly connected with Bunker is additionally provided with the outside of the feed mechanism；Framework
Top, bottom offer the opening corresponding with material chamber A, material chamber B respectively, the madial wall of framework and the lateral wall of blocking part are tight
It is closely connected to close；
Several air ducts are provided with the Heat Room, the gap between air duct outer wall and heat exchange chamber interior walls is flue gas
Passage；The entrance of air duct is connected with heat exchange air outlet, and the outlet of air duct is connected with hot-blast outlet；Exhaust gases passes enter
Mouth is connected with the exhanst gas outlet of Heat Room, and the outlet of exhaust gases passes is connected with the flue gas interlayer above Heat Room；In flue gas
Water tank is provided with interlayer, the exhanst gas outlet of flue gas interlayer is connected with the flue gas top layer being positioned above, set in flue gas top layer
The cold water pipe of snakelike coiling is equipped with, flue gas top layer is connected with exhaust opening；
Blast main is set inside the hot-blast stove, and one end of blast main is connected with the air blower outside furnace shell
Logical, the other end branches into blowpipe A, blowpipe B and blowpipe C；Blowpipe A end is below fire grate
Combustion-supporting air outlet A, blowpipe B end are the combustion-supporting air outlet B positioned at combustion chamber top, and blowpipe C end is to connect
The heat exchange air outlet of air duct in logical Heat Room.
Further improvement of the present invention is：The width of the combustion chamber is more than Bunker width, the left and right two of combustion chamber
Flue gas flow pass is formed between wing furnace wall and the lateral wall of Bunker, in the front inner wall and rear side inwall of flue gas flow pass
Top be respectively arranged with two combustion-supporting air outlet B of longitudinal arrangement；In combustion-supporting air outlet B and rear side on the front inner wall
Combustion-supporting air outlet B on wall is oppositely arranged.
Further improvement of the present invention is：The dust-settling compartment includes heat smoke entrance and heat smoke is exported, from heat smoke
Inlet side rises and is disposed with the first dedusting plate, the second dedusting plate, the 3rd dedusting plate；Wherein, the first dedusting plate and the 3rd is removed
Dirt plate is welded at the top of dust-settling compartment forms flue gas passage gaps, the first dedusting plate and the 3rd dedusting between dust-settling compartment bottom
Plate is tilted and the at 45 ° ~ 60 ° of acute angles in dust-settling compartment top to heat smoke Way out；Second dedusting plate is vertically welded in dust-settling compartment
Bottom simultaneously forms flue gas passage gaps between dust-settling compartment top.
Further improvement of the present invention is：In the Heat Room, the entrance of exhaust gases passes is located at the bottom of Heat Room, cigarette
The outlet of gas passage is positioned at the top of Heat Room, and the entrance of the air duct is located at the top of Heat Room, the heat of air duct
Wind outlet is positioned at the bottom of Heat Room.
Further improvement of the present invention is：Cold water pipe in the flue gas top layer is one group or several groups；The cold water pipe
It is screw thread bellows with air duct.
Further improvement of the present invention is：Some annular fin are welded with the excircle of the exhaust opening.
Further improvement of the present invention is：Furnace shell front end face above fire grate is provided with cinder notch is drawn, positioned at fire grate
The furnace shell front end face of lower section is provided with cleaning door；Furnace shell front end face below dust-settling compartment is provided with clear dirt mouthful；The fuel
The top of storehouse front side wall offers charge door.
By adopting the above-described technical solution, the technological progress that the present invention is obtained is：
The invention provides a kind of domestic small biomass thermal wind furnace.The hot-blast stove compact conformation, rationally distributed, heat
Utilization ratio is high, smoke discharge amount is small, small volume, is especially suitable for family and uses；And the product can be according to biomass fuel
Burning time come at regular time and quantity for combustion chamber add fuel so that fuel can be fully burned, high combustion efficiency.
The supply air system of product of the present invention includes blast main and three blowpipes, and air passes through different blowpipes
It is admitted to diverse location.Combustion-supporting air outlet A air-supply is used to provide oxygen for biomass fuel so that biomass fuel is in burning
It can fully be burnt in room, keep stable burning velocity to provide heat smoke with stable；Fuel is after fully burning simultaneously
Ashes yield also greatly reduce and then reduce the flue dust carried secretly in heat smoke.Combustion-supporting air outlet B air-supply can make burning
The imflammable gas that process is produced fully burns, and improves the utilization rate of biomass fuel, heating load is significantly improved, and can
Effectively prevent toxic gas from leaking, it is to avoid environmental pollution.The air-supply of heat exchange air outlet is delivered to Heat Room air duct, led to flue gas
Heat smoke in road carries out heat exchange, and produced hot-air is used for for the heating of heating place.Above three air outlet is single respectively
Solely control, air-supply that when in use can be according to moisture, flammability of biomass fuel used etc. to each air outlet
Amount is adjusted, and ensures the abundant burning and heat supply of biomass fuel by adjusting the oxygen content of combustion chamber, passes through regulation
The air input of Heat Room ensures the temperature of hot-air after heat exchange, practical.
The present invention is provided with Bunker exit can convey the feed appliance of fuel at regular time and quantity.Feed appliance can be according to life
The burning time of biomass fuel is rotated automatically, is fired so that the fuel in material chamber is added in combustion chamber at regular time and quantity
Burn, the heat release stable uniform for producing burning, and then ensure that the stability of the hot blast temperature of hot-blast stove blowout.Feed appliance makes
With Bunker is isolated with combustion chamber so that fuel accumulation in combustion chamber is loose, oxygen fully, be conducive to igniting；
And effectively prevent uncombusted fuel and be squeezed fire grate, cause the waste of fuel, artificial operation is reduced, work is reduced strong
Degree.
Dust-settling compartment of the present invention has final dusting structure, can separate most flue dust in heat smoke, from
And the flue dust entered in Heat Room is reduced, in case flue dust, which is attached in heat exchange chamber interior walls, influences heat exchange efficiency, while reducing outer
The fume amount that smoke discharging is included, it is very environmentally friendly.
Because the flue-gas temperature for flowing out Heat Room is still higher, in order to further utilize fume afterheat, the present invention is provided with
Water tank and several cold water pipes.Quantitative cold water can be disposably stored in water tank；Cold water pipe can be joined directly together with running water pipe, cold
Tap is connected at pipe outlet.The higher flue gas of temperature initially enters flue gas interlayer, to the cool water heating in water tank, Ran Houliu
Enter flue gas top layer, be that the circulating water in cold water pipe is heated up, such setting can provide big calorimetric for production and living simultaneously
Water and multiply flowing warm water, are particularly suitable for family's bathing, laundry etc. and use.So, from exhaust opening discharge flue-gas temperature
Substantially reduce；Fin is additionally provided with exhaust opening of the present invention, the waste heat in discharged gas fume can be distributed in environment, improved
Environment temperature.By above-mentioned multiple heat exchange, the heat for the heat smoke that combustion chamber is produced thoroughly is utilized, and utilization ratio is high, practical
Property is strong.
The air duct and cold water pipe that the present invention is used to exchange heat select screw thread bellows, can not only make changing for equal length
The heat exchange area of heat pipe is greatly increased, moreover it is possible to the fluid in pipe is formed turbulent flow, so as to substantially reduce heat exchanger time, significantly
Improve the efficiency of heat exchange.The turbulent flow formed in pipe, inside pipe wall can be washed away to a certain extent, makes tube wall less scaling,
Ensure to extend pipeline life while heat transfer effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the main structure diagram of feed appliance of the present invention；
Fig. 3 is the side structure schematic view of feed appliance of the present invention；
Fig. 4 is the overlooking the structure diagram of feed appliance of the present invention；
Fig. 5 is the structural representation of dust-settling compartment of the present invention.
Wherein, 1, Bunker, 2, combustion chamber, 3, Heat Room, 4, dust-settling compartment, 41, heat smoke entrance, 42, heat smoke outlet,
431st, the first dedusting plate, the 432, second dedusting plate, the 433, the 3rd dedusting plate, 44, clear dirt mouthful, 5, air blower, 6, fire grate, 7, smoke evacuation
Mouthful, 8, blast main, 9, blowpipe A, 10, combustion-supporting air outlet A, 11, blowpipe B, 12, combustion-supporting air outlet B, 13, air-supply
Branch pipe C, 14, heat exchange air outlet, 15, flue gas interlayer, 16, water tank, 17, flue gas top layer, 18, cold water pipe, 19, draw cinder notch, 20, clear
Grey mouth, 21, hot-blast outlet, 22, furnace shell, 23, fin, 24, feed appliance, 241, framework, 2421, material chamber A, 2422, material chamber B,
243rd, blocking part, 244, rotating shaft.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings：
A kind of domestic small biomass thermal wind furnace, as shown in figure 1, including furnace shell 22, furnace shell 22 is provided with combustion in inner chamber
Feed bin 1, combustion chamber 2, Heat Room 3, dust-settling compartment 4.
The Bunker 1 is located at the top of combustion chamber 2, for containing biomass fuel.On the top of the front side wall of Bunker 1
Offer and be equipped with gallery ports on the charge door for adding fuel, charge door.I.e. closure charging after Bunker 1 is filled it up with
Door, is again turned on gallery ports addition fuel when fuel fast after-flame；The process for adding fuel is intermittent operation, labor intensity
It is low.The bottom of Bunker 1 is provided with conical discharge port, conical discharge port bottom is provided with feed appliance 24.
As shown in Figure 2, Figure 3, Figure 4, feed appliance 24 includes feed mechanism and controlling organization.The front end face of feed mechanism is with after
End face is circle, and top, the bottom of feed mechanism symmetrically offer the material chamber A2421 of cone bucket shape, material chamber B2422；Expect chamber
Entity part between A2421 and material chamber B2422 is blocking part 243.Feeder is provided through in the circle centre position of feed mechanism
The rotating shaft 244 of structure, rotating shaft 244 is moved under the control of controlling organization and drives feed mechanism to rotate.In the present embodiment, institute
Controlling organization is stated for motor control.Framework 241 is also correspondingly provided with the outside of feed mechanism, framework 241 is fixedly connected on combustion
On the side wall of the conical discharge port of feed bin 1, the upper and lower part of framework 241 is offered respectively opens with expecting chamber A, expecting that chamber B is corresponding
Mouthful, the biomass fuel in Bunker can be open into pan feeding chamber by this；The lateral wall of blocking part 243 and framework 241
Madial wall is brought into close contact, separates Bunker and combustion chamber, is conducive to biomass fuel fully to burn in a combustion chamber.
At work, according to the moisture of biomass fuel and the capacity of material chamber, it is determined that the fuel after-flame that material chamber is contained
Time, and controlling organization is rotated to 180 ° of time interval be automatically set as the tail-off time.When material chamber A2421 vertically upward, material
Chamber B2422 vertically downward, blocking part 243 be located at the left and right sides when, material chamber A2421 connected with Bunker 1, biomass fuel is fallen into
Expect in chamber A；Material chamber B2422 is connected with combustion chamber 2.During the basic after-flame of biomass fuel in room 2 to be combusted, controlling organization control
Feed mechanism rotates, and makes material chamber A2421 vertically downward, and its biomass fuel contained falls into combustion chamber 2 and burnt, and expects chamber
B2422 contains fuel again vertically upward.By the continuous rotation of feed mechanism, to complete adding at regular time and quantity for biomass fuel
Plus.When the moisture of biomass fuel used is excessive, burning velocity slows down, can by controlling organization adjust rotate automatically when
Between be spaced, to ensure the abundant after-flame of fuel, fuel availability highest.
Combustion chamber 2 is arranged on the lower section of Bunker 1, and is connected with dust-settling compartment 4；The width of combustion chamber 2 is more than Bunker 1
Width.The bottom of combustion chamber 2 is provided with fire grate 6, and biomass fuel is burnt on fire grate 6, and the ashes that burning is produced are fallen into
The bottom of combustion chamber 2.It is provided with the front end face of the furnace shell 22 of the top of fire grate 6 and draws cinder notch 19, for removes biomass fuel
Clinker produced by burning；Front end face positioned at the furnace shell 22 of the lower section of fire grate 6 is provided with cleaning door 20, for removing the stove dropped
Ash.Combustion-supporting air outlet A10 is provided with below fire grate 6, combustion-supporting air outlet A10 is connected by blowpipe A9 with blast main 8.
Air-supply from combustion-supporting air outlet A10 can provide sufficient oxygen for fuel combustion, improve burning velocity.
The right side of the left side furnace wall of combustion chamber 2 and the left side outer wall of Bunker 1, the right side furnace wall of combustion chamber 2 and Bunker 1
Flue gas flow pass is formed between outer wall respectively, the heat smoke that the burning of biomass dyestuff is produced is entered by flue gas flow pass to drop
Dirt room 4.2 combustion-supporting air outlet B12 are respectively arranged with the front inner wall and rear side inwall of flue gas flow pass, this 2 combustion-supporting
Air outlet B12 longitudinal arrangements；2 combustion-supporting air outlet B12 on 2 combustion-supporting air outlet B12 and rear side inwall on front inner wall
It is oppositely arranged.Combustion-supporting air outlet B12 air-supply is conveyed from air blower 5, through blast main 8 and blowpipe B11.From combustion-supporting
On the one hand air outlet B12 air-supply reduces the temperature of the side wall of Bunker 1, improves the safety coefficient of hot-blast stove, on the other hand
Contribute to the abundant burning of biomass fuel.When biomass fuel combustion is insufficient, can produce the combustibility such as carbon monoxide has
Poisonous gas；Combustion-supporting air outlet B air-supply can be sufficiently mixed with flue gas, provide the flammable gas that sufficient oxygen makes to include in flue gas
Body thoroughly burns, and not only improves the heating load and heating efficiency of biomass thermal wind furnace, and effectively prevent row outside toxic gas
To the pollution caused by environment.Combustion-supporting air outlet B12 number and arrangement can be adjusted according to the actual requirements.
Dust-settling compartment 4 is connected with combustion chamber 2, as shown in figure 5, heat smoke entrance 41 is located at the top left of dust-settling compartment 4, heat
Exhanst gas outlet 42 is located at the top right-hand member of dust-settling compartment 4.The first dedusting plate 431, second is from left to right disposed with dust-settling compartment 4
Dedusting plate 432, the 3rd dedusting plate 433.Wherein, the first dedusting plate 431 and the 3rd dedusting plate 433 be welded on the top of dust-settling compartment 4,
Flue gas passage gaps are formed between the bottom of dust-settling compartment 4, the first dedusting plate 431 and the 3rd dedusting plate 433 are tilted to the right, with dropping
The top of dirt room 4 is at 45 ° ~ 60 ° of acute angle.In the present embodiment, the angle of the first dedusting plate 431 and the top plate of dust-settling compartment 4, the 3rd remove
The angle of dirt plate 433 and the top plate of dust-settling compartment 4 is identical, and smoke content that can also be in heat smoke is carried out to angle angle
Adjustment.Second dedusting plate 432 is vertically welded in the bottom of dust-settling compartment 4 and forms flue gas passage gaps with the top of dust-settling compartment 4.Furnace shell
Position on 22 corresponding to dust-settling compartment 4 is provided with clear dirt mouthful 44；When fume amount accumulation is more in dust-settling compartment 4, dedusting can be opened
Mouth, concentration cleaning flue dust.
During work, the heat smoke from combustion chamber enters dust-settling compartment by heat smoke entrance, due to volume increase, heat smoke stream
Prompt drop is low so that the flue dust in flue gas is gradually deposited to dust-settling compartment bottom.Because the first dedusting plate, the second dedusting plate and the 3rd are removed
The stop of dirt plate, heat smoke can only carry out broken line motion by flue gas passage gaps；By limiting the flow direction of heat smoke, make
Obtaining heat smoke can be by the stably and controllable dust removing effects of effective dedusting, guarantee.In the flow process of heat smoke, its flowing velocity
Gradually reduce, flue dust settles down during flowing downward；During heat smoke flows downward for the second time, in heat smoke
The less flue dust of particle can also settle down, so as to reach secondary settlement, the purpose of thorough dedusting.
Heat smoke by the dedusting of dust-settling compartment 4 is admitted to Heat Room 3 and carries out heat exchange.Heat Room 3 is located at the two of combustion chamber 2
Side, the top of dust-settling compartment 4.Heat Room 3 is internally provided with several air ducts, the gap between air duct and the inwall of Heat Room 3
For exhaust gases passes.Air duct can be the bend pipe of snakelike coiling, or the straight tube that transverse and longitudinal is interlocked；Air duct selects screw thread
Bellows, its tube surfaces have the ripple of fluctuating, can effectively increase heat exchange area.The entrance of the air duct is located at heat exchange
The top of room 3, is connected with blowpipe C13 heat exchange air outlet 14；The outlet of air duct is to positioned at Heat Room 3
The hot-blast outlet 21 of bottom, hot-blast outlet 21 is communicated with environment.The entrance of the exhaust gases passes be located at Heat Room 3 bottom, with
The exhanst gas outlet of dust-settling compartment 4 is connected, and the outlet of exhaust gases passes is connected positioned at the top of Heat Room 3, with flue gas interlayer 15.Remove
Outside air duct entrance, air duct outlet, exhaust gases passes entrance, exhaust gases passes outlet, heat exchange chamber interior walls are sealing.
Heat smoke from dust-settling compartment 4 enters the exhaust gases passes of Heat Room 3, and the air from air blower 5 is via blast main 8, air-supply
Branch pipe C13 sends into the air duct of Heat Room 3；Heat smoke is moved from bottom to top, and air is moved from top to bottom, passes through air duct
Tube wall carry out heat exchange.Thermogenetic hot-air is changed to discharge from the hot-blast outlet 21 positioned at the bottom of Heat Room 3 and be delivered to need
Used in the place to be heated, the flue gas for completing heat exchange is discharged in flue gas interlayer 15 via exhanst gas outlet.
Flue gas interlayer 15, which is located in the top of Heat Room 3, flue gas interlayer 15, is provided with water tank 16, and water tank 16 is used to store cold
Water and the fume afterheat absorbed in flue gas interlayer for cool water heating, to facilitate family to use.Complete to enter the flue gas of heating water tanks
Enter the flue gas top layer 17 of the top of flue gas interlayer 15, flue gas top layer 17 is connected with exhaust opening 7.One group is provided with flue gas top layer 17
Or the cold water pipe 18 of multigroup snakelike coiling, the entrance point of cold water pipe 18 directly connects running water pipe, and the port of export of cold water pipe 18 is straight
Water flowing is leading in succession.Cold water pipe 18 selects screw thread bellows, to strengthen heat transfer effect.The setting of water tank 16 and cold water pipe 18, profit
The waste heat in flue gas is further absorbed with cold water, hot water and flowing warm water are provided for production and living, while reducing exhaust opening 7
The flue-gas temperature of discharge, improves the thermal efficiency of biomass thermal wind furnace.The heat smoke flowed out from Heat Room 3, by flue gas interlayer
15 and flue gas top layer 17 further after heat exchange, be discharged to outside stove from exhaust opening 7.Some rings are welded with the excircle of exhaust opening 7
The fin 23 of shape, the remaining heat transmission of flue gas can be dissipated in air, improve environment temperature.
The charge door, draw cinder notch, be provided with hermatic door on cleaning door and clear dirt mouthful.After hermatic door is closed, except air blast
Machine air-supply, cold flue gas smoke evacuation, outside hot-air air draft, whole hot-blast stove is in air-tight state.
The present invention the course of work be：
When biomass thermal wind furnace is run, biomass fuel is stored in Bunker, passes through the feed appliance at outlet at bottom
By in the entrance combustion chamber of fuel at regular time and quantity, while combustion-supporting air outlet A persistently blows, biomass fuel is set to be carried out on grate
Burning；The heat smoke that burning is produced is mixed with combustion-supporting air outlet B air-supply, the imflammable gas in heat smoke is further burnt
Heat release.Then heat smoke enters dust-settling compartment and settles dedusting, and the heat smoke after dedusting is admitted to Heat Room, and from heat exchange air outlet
Air exchanged heat, hot-air drains into the place that need to heat by hot-blast outlet；The flue gas of heat exchange is completed successively in flue gas interlayer
Water tank, the cold water in the cold water pipe in flue gas top layer further heat, discharged eventually through exhaust opening.
During work, the cold air in environment is constantly blown into biomass thermal wind furnace by air blower, is entered by blast main
Cold air in biomass thermal wind furnace is divided into three strands：1. delivered to by blowpipe A conveyings, by combustion-supporting air outlet A below fire grate,
For providing sufficient oxygen for the fuel on fire grate, accelerating burning velocity；2. by blowpipe B conveyings, by combustion-supporting air outlet B
Combustion chamber top is delivered to, for the flammable gas included in heat smoke to be mixed, made with the heat smoke that biomass fuel combustion is produced
Body fully burns；3. conveyed by blowpipe C, by the air duct of heat exchange air outlet feeding Heat Room, with Heat Room flue gas
Heat smoke in pipeline carries out heat exchange, and heating air drains into the place that need to heat by hot-blast outlet.
Claims (7)
1. a kind of domestic small biomass thermal wind furnace, including positioned at Bunker（1）The combustion chamber of lower section（2）With combustion chamber（2）
The dust-settling compartment of connection（4）With dust-settling compartment（4）The Heat Room of connection（3）, the combustion chamber（2）Lower section is provided with fire grate（6）；Its
It is characterised by：The Bunker（1）Feed appliance is provided with lower exit port（24）, biomass fuel passes through feed appliance（24）Feeding
Combustion chamber（2）；The feed appliance（24）Including feed mechanism and rotating mechanism；The front end face and rear end face of the feed mechanism are equal
For circle, top, the bottom of feed mechanism symmetrically offer the material chamber A of cone bucket shape（2421）, material chamber B（2422）；Expect chamber A
（2421）With material chamber B（2422）Between part be blocking part（243）；It is provided with the circle centre position of feed mechanism by rotating mechanism
Control, the rotating shaft that feed mechanism can be driven to rotate（244）；It is additionally provided with and Bunker on the outside of the feed mechanism（1）It is fixed to connect
The framework connect（241）；Framework（241）Top, bottom offers and material chamber A respectively（2421）, material chamber B（2422）Corresponding
Opening, framework（241）Madial wall and blocking part（243）Lateral wall be brought into close contact；
The Heat Room（3）It is interior to be provided with several air ducts, air duct outer wall and Heat Room（3）Gap between inwall is cigarette
Gas passage；The entrance of air duct and heat exchange air outlet（14）Connection, the outlet of air duct and hot-blast outlet（21）Connection；Cigarette
The entrance and dust-settling compartment of gas passage（4）Exhanst gas outlet connection, the outlet of exhaust gases passes with positioned at Heat Room（3）The flue gas of top
Interlayer（15）Connection；In flue gas interlayer（15）In be provided with water tank（16）, flue gas interlayer（15）Exhanst gas outlet with it is disposed thereon
The flue gas top layer of side（17）It is connected, flue gas top layer（17）In be provided with the cold water pipe of snakelike coiling（18）, flue gas top layer（17）
With exhaust opening（7）It is connected；
Blast main is set inside the hot-blast stove（8）, blast main（8）One end with positioned at furnace shell（22）Outside air blower
（5）It is connected, the other end branches into blowpipe A（9）, blowpipe B（11）With blowpipe C（13）；Blowpipe A（9）
End be located at fire grate（6）The combustion-supporting air outlet A of lower section（10）, blowpipe B（11）End be located at combustion chamber（2）On
The combustion-supporting air outlet B in portion（12）, blowpipe C（13）End be connection Heat Room（3）The heat exchange air outlet of middle air duct
（14）.
2. a kind of domestic small biomass thermal wind furnace according to claim 1, it is characterised in that：The combustion chamber（2）
Width be more than Bunker（1）Width, combustion chamber（2）Left and right sides furnace wall and Bunker（1）Lateral wall between form cigarette
Gas flow pass, be respectively arranged with longitudinal arrangement in the front inner wall of flue gas flow pass and the top of rear side inwall two help
Fire air outlet B（12）；Combustion-supporting air outlet B on the front inner wall（12）With the combustion-supporting air outlet B on rear side inwall（12）Phase
To setting.
3. a kind of domestic small biomass thermal wind furnace according to claim 2, it is characterised in that：The dust-settling compartment（4）
Including heat smoke entrance（41）With heat smoke outlet（42）, from heat smoke entrance（41）Rise and be disposed with the first dedusting plate in side
（431）, the second dedusting plate（432）, the 3rd dedusting plate（433）；Wherein, the first dedusting plate（431）With the 3rd dedusting plate（433）
It is welded on dust-settling compartment（4）Top and dust-settling compartment（4）Flue gas passage gaps, the first dedusting plate are formed between bottom（431）With the 3rd
Dedusting plate（433）Exported to heat smoke（42）Direction is tilted and dust-settling compartment（4）Top is at 45 ° ~ 60 ° of acute angles；Second dedusting plate
（432）It is vertically welded in dust-settling compartment（4）Bottom and and dust-settling compartment（4）Flue gas passage gaps are formed between top.
4. a kind of domestic small biomass thermal wind furnace according to claim 3, it is characterised in that：The Heat Room（3）
In, the entrance of exhaust gases passes is located at Heat Room（3）Bottom, the outlets of exhaust gases passes is located at Heat Room（3）Top, the sky
The entrance of feed channel is located at Heat Room（3）Top, the hot-blast outlet of air duct（21）Positioned at Heat Room（3）Bottom.
5. a kind of domestic small biomass thermal wind furnace according to claim 4, it is characterised in that：The flue gas top layer
（17）In cold water pipe（18）For one group or several groups；The cold water pipe（18）With Heat Room（3）In air duct be screw thread
Bellows.
6. a kind of domestic small biomass thermal wind furnace according to claim 5, it is characterised in that：The exhaust opening（7）
Excircle on be welded with some annular fin（23）.
7. a kind of domestic small biomass thermal wind furnace according to any one of claim 1 ~ 6, it is characterised in that：Positioned at stove
Comb（6）The furnace shell of top（22）Front end face is provided with and draws cinder notch（19）, positioned at fire grate（6）The furnace shell of lower section（22）Set on front end face
There is cleaning door（20）；Positioned at dust-settling compartment（4）The furnace shell of lower section（22）Front end face is provided with clear dirt mouthful（44）；The Bunker（1）
The top of front side wall offers charge door.
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| CN201410755214.XA CN104566952B (en) | 2014-12-11 | 2014-12-11 | A kind of domestic small biomass thermal wind furnace |
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| CN201410755214.XA CN104566952B (en) | 2014-12-11 | 2014-12-11 | A kind of domestic small biomass thermal wind furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106679174B (en) * | 2016-12-29 | 2023-09-08 | 广东工业大学 | High-temperature hot-air furnace |
| CN112648728A (en) * | 2018-04-03 | 2021-04-13 | 杨琼 | Energy-saving environment-friendly combustion furnace and use method thereof |
| CN113483487B (en) * | 2021-05-20 | 2022-06-14 | 安徽益禾机械有限公司 | Hot-blast furnace of even material loading |
| CN114562815B (en) * | 2022-03-02 | 2023-10-03 | 湖北天鑫热能设备有限公司 | Preheating vortex control oxygen type hot-blast stove |
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| CN202141190U (en) * | 2011-06-20 | 2012-02-08 | 上海昌浩机电有限公司 | Biomass energy hot-blast stove |
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