CN106108094A - A kind of biomass granule fuel concentrates feeding system and combustion furnace - Google Patents
A kind of biomass granule fuel concentrates feeding system and combustion furnace Download PDFInfo
- Publication number
- CN106108094A CN106108094A CN201610471768.6A CN201610471768A CN106108094A CN 106108094 A CN106108094 A CN 106108094A CN 201610471768 A CN201610471768 A CN 201610471768A CN 106108094 A CN106108094 A CN 106108094A
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- Prior art keywords
- combustion furnace
- vacuum
- hopper
- converter nose
- feeding system
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 189
- 239000000446 fuel Substances 0.000 title claims abstract description 96
- 239000002028 Biomass Substances 0.000 title claims abstract description 85
- 239000008187 granular material Substances 0.000 title claims abstract description 66
- 239000012141 concentrate Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 46
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- ORFSSYGWXNGVFB-UHFFFAOYSA-N sodium 4-amino-6-[[4-[4-[(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-hydroxynaphthalene-1,3-disulfonic acid Chemical compound COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C3)C(=CC(=C4N)S(=O)(=O)O)S(=O)(=O)O)O)OC)N=NC5=C(C6=C(C=C5)C(=CC(=C6N)S(=O)(=O)O)S(=O)(=O)O)O.[Na+] ORFSSYGWXNGVFB-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
-
- 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
Abstract
Present invention firstly provides a kind of biomass granule fuel and concentrate feeding system, described concentration feeding system provides biomass granule fuel for concentrating for two or more combustion furnace, and described concentration feeding system includes the Material sucking machine containing vacuum pump, storage vat, more than two aspirating air pipes, more than two charging lines, auger feed mechanism, feeding distribution joint, two or more electromagnetic valve, two or more vacuum hopper and two or more weight valve.The concentration feeding system that the present invention provides uses vacuum to concentrate feed, it is ensured that feeding system is stable, and when conveying, pipeline is in sealing vacuum state, absolutely not putty situation generation.The concentration feeding system that the present invention provides uses Automatic Control, responds the scarce material alarm device of its each different combustion furnace connected so that this combustion furnace is carried out sub-material conveying.Its feeding is accurate, fuel will be caused to lack not in time because of personnel's charging, and then affect tobacco flue-curing.
Description
Technical field
The present invention relates to technical field of combustion equipment, be specifically related to a kind of biomass granule fuel and concentrate feeding system and combustion
Burn stove.
Background technology
In since cured tobacco production and popularization more than 100 year, the history in coal baking tobacco leaves existing more than 50 years, coal
Baking replaces the baking of original firewood, is the much progress in tobacco roasting history, for protecting forest resources and ecological environment is made
Significant contribution.In recent years, tobacco business absorbs Foreign Experience and technology, and bulk curing barn success is promoted in exploitation, from tradition
Barn, to bulk curing barn, is the another much progress in tobacco roasting history, significantly improves the utilization rate of the energy, effectively reduce baking
It is roasted into this.But, bulk curing barn the most fundamentally solves the present situation toasted with coal for the energy, coal constantly consume and
The local pollution of the environment problem that barn clustered is brought the most increasingly displays.Coal toasts dust, the carbon oxygen discharged
The pollutant emissions such as compound, sulfide and polycyclic aromatic hydrocarbon in atmosphere, also discharge a large amount of SO during burning2、CO2、CO、NO2In gas
Body, brings severe contamination to surrounding, affects air quality, causes the environmental accident such as acid rain, haze.
As patent of invention CN201310726295.6 relates to a kind of varying capacity air stove, the change of a kind of heating according to need
Capacity indirect type hot blast stove for flue-cured tobacco, belongs to Nicotiana tabacum L. modulating equipment technical field.This invention by body of heater, dividing wall type heat exchanger, chimney,
Malleation combustion fan forms, and dividing wall type heat exchanger is placed in above body of heater, and chimney is positioned at side, body of heater top, and malleation combustion fan leads to
Piping connects with body of heater；Body of heater is by ash a heatable brick bed, burner hearth, burner hearth capacity adjusting mechanism, shoot door, firing door, secondary furnace and grate
Composition, grate is positioned at body of heater and is split by body of heater, grate be arranged above burner hearth, lower section is grey a heatable brick bed, secondary furnace is positioned on burner hearth
Fang Bingyu burner hearth is through, and burner hearth is provided with firing door, and ash a heatable brick bed is provided with shoot door, and burner hearth capacity adjusting mechanism is connected with burner hearth.
This invention uses burner hearth capacity adjusting mechanism, according to the change of barn heating demand in Tobacco Leaf Curing, timely adjustment burner hearth
Capacity, it is achieved heating according to need, and guarantee coal-fired fully, efficient burning.
Under country advocates the big situation of energy-saving and emission-reduction, green low-carbon, low consumption environment protection, reduce depletion of non-renewable resources,
The beautiful living environment of protection be benefit the nation and the people, the inevitable behave of the offspring that benefits future generations.Also a piece of pure blue sky, cigarette district, is Nicotiana tabacum L.
Industry and enterprise obligation one can't decline, the alternative energy source actively seeking coal for this applicant carries out tobacco flue-curing.
Our previous application CN201610037314.8 provides a kind of baking equipment for preparatory treatment of tobacco, including heater,
Humidity-discharging device and controller, heater includes what biomass combustion furnace was connected with the smoke outlet tube of biomass combustion furnace
Heat exchanger, for the circulating fan of heat air delivery and carry out the feeding device of feeding to described biomass combustion furnace, charging dress
Put and include hopper and the material at described hopper outlet is delivered to the helical feed parts of biomass combustion furnace charging aperture；Row
Wet device includes moisture exhausting port and is arranged on the moistureproof window at moisture exhausting port；Aerator in biomass combustion furnace, circulating fan with
And helical feed parts are all connected with controller.The technical scheme of application this application, has the advantage that overall structure is simplified；
By heater, humidity-discharging device and the integrated design of control device, practical；Biomass combustion furnace is used to provide heat
Can, environmental protection.
But in the biomass combustion furnace related in such scheme biological particles in burner hearth in suspension combustion state, although
Its burning can be relatively abundant, but the density of biomass granule fuel the lowest causing needs to provide a lot of energy sides for its suspension combustion
Can guarantee that efficiency of combustion, the economy of the program is relatively low.And if failing so that the biological particles in this combustion furnace keeps good
Suspended state, then this combustion furnace is easily generated coking caking and can not clean-burning problem.Further, run into the bursts such as power failure
During accident, can only stop work and abandon in this combustion furnace.It addition, the heat exchange efficiency of the corresponding heat exchanger in this combustion furnace haves much room for improvement equally.
Therefore, this area needs to develop a kind of new combustion furnace for biomass granule fuel combustion heat supplying, heat exchanger and corresponding
A whole set of heating equipment so that have safe and environment-friendly, efficient and economic characteristic during biomass granule fuel combustion heat supplying concurrently.
Specific to the feeder apparatus of combustion furnace, existing biological particles combustion furnace is typically all the mould using unit feed
Formula, and biomass granule fuel consumption is big, unit feed needs frequently to feed it, especially for tobacco curing barn
For Qun, being typically made up of 10～20 or above barn, baking workman needs uninterruptedly feed it for 24 hours, causes
Labor intensity is big, toasts high cost.Thus, this area needs to develop a kind of carry out biomass granule fuel and concentrates feed
System is to solve this problem.
Summary of the invention
Therefore, the present invention provides a kind of biomass granule fuel to concentrate feeding system and combustion furnace, existing at least to solve
Part the problems referred to above in technology.
Present invention firstly provides a kind of biomass granule fuel and concentrate feeding system, described concentration feeding system is used for being two
Individual above combustion furnace is concentrated provides biomass granule fuel, and described concentration feeding system includes the Material sucking machine containing vacuum pump, storing
Bucket, more than two aspirating air pipes, more than two charging lines, auger feed mechanism, feeding distribution joint, two or more electromagnetism
Valve, two or more vacuum hopper and two or more weight valve；Described storage vat is used for leaving biomass granule fuel concentratedly, at it
Bottom be provided with auger feed mechanism and for granular fuel being sent into the feeding distribution joint of different charging lines, described very
Empty hopper is arranged on top, combustion furnace for for the hopper delivery in combustion furnace, and described electromagnetic valve is arranged on vacuum hopper and vacuum
On the aspirating air pipe that pump connects, described weight valve is arranged on bottom vacuum hopper；Vacuum pump starts and certain or a plurality of suction nozzle
When electromagnetic valve on road is opened, under vacuum action, the weight valve bottom the vacuum hopper that this aspirating air pipe is corresponding keeps closing
Close, and biomass granule fuel is in this vacuum hopper sent into by corresponding charging line；When described closed electromagnetic valve, unloading is true
Weight valve after sky is opened under the self gravitation effect of biomass granule fuel and in vacuum hopper in trend combustion furnace
Hopper delivery.
In a kind of specific embodiment, the internal diameter of described aspirating air pipe is 20～150mm, described charging line interior
Footpath is 20～150mm.
In a kind of specific embodiment, the air entry that vacuum hopper connects with described aspirating air pipe is positioned at vacuum material
On the roof of bucket, the material sucking port that vacuum hopper connects with described charging line is positioned at the top of the sidewall of vacuum hopper；Described
The material sucking port that the top of vacuum hopper is provided with on drainage screen, and vacuum hopper is positioned at below drainage screen, the air-breathing on vacuum hopper
Mouth is positioned at above drainage screen, and described electromagnetic valve is Unidirectional solenoid valve, and described vacuum pump is water-ring vacuum pump.
In a kind of specific embodiment, described weight valve includes valve plate, rotating shaft and weight member, valve plate and counterweight part
Part is all connected with rotating shaft, when vacuum hopper is not loaded with biomass granule fuel and during vacuum pump opens feeding, and gravity
The valve plate of valve is closed under the effect of weight member, and is loaded with biomass granule fuel in vacuum hopper and unloads true
Time empty, valve plate automatically opens up feed in the hopper of combustion furnace under the gravity of biomass granule fuel is oppressed.
In a kind of specific embodiment, the volume of described vacuum hopper is less than or equal to the body of the hopper in combustion furnace
Long-pending.
In a kind of specific embodiment, the described Material sucking machine containing vacuum pump also includes controller, described controller
Electrically connect control with the material-level measure sensor arranged in combustion furnace, described controller also with the motor of auger feed mechanism, very
Trigger and the electrical connection of described electromagnetic valve of empty pump control.
The present invention also provides for a kind of combustion furnace containing the most any described concentration feeding system.
In a kind of specific embodiment, described combustion furnace comprises converter nose, and described converter nose includes the cylinder of horizontal setting
In shape, converter nose and the outer converter nose of truncated cone-shaped, form hollow ventilated district between interior converter nose and outer converter nose, the internal main structure of described interior converter nose
Becoming the burner hearth of described combustion furnace, in Horizontal cylinder, the bottom of converter nose offers air vent for carrying for biological particles fuel combustion
For air；The axial one end of interior converter nose is connected with the bottom of burning feed pipe, and the axial other end is connected with combustion furnace for insertion
In heat exchanger；Axial one end that outer converter nose is equally used for inserting in described heat exchanger is miner diameter end, and outer converter nose is near burning feeding
Axial one end of pipe is its bigger diameter end, and the inwall of outer converter nose miner diameter end is to outside the radial distance i.e. bocca between interior converter nose outer wall
The circumferential weld width d in week is 0.8～5mm.
In a kind of specific embodiment, described combustion furnace includes the air supply system that burns, described burning air supply system bag
Including little blower fan, aerator and the matching air box being sequentially connected in series, described little blower fan is that charged pool is powered and power of fan is 10～200w
Blower fan, described aerator for power of fan more than little power of fan and for providing the wind of main fresh air for combustion furnace
Machine, described matching air box includes the outlet of multiple parallel connection for distributing fresh air and it, the outlet of the plurality of parallel connection respectively with
Main ajutage, discharge nozzle anti-backfire ajutage and other purposes ajutage connect.
In a kind of specific embodiment, described combustion furnace includes that slag removal mechanism, described slag removal mechanism include that level sets
Put slagging-off band tooth push rod, for slagging-off band tooth push rod provide and transmission power slagging-off motor and gear, be set in slagging-off band tooth
Push rod radial outside slagging-off rod bush, for slagging-off band tooth push rod guide push rod directive wheel, the axle of described slagging-off band tooth push rod
In the burner hearth that converter nose is formed in one end is arranged on the cylinder by horizontal setting, the axial other end of slagging-off band tooth push rod is arranged
Outer at burner hearth and by controller control push rod level pushes away slag motion.
Concentrate feeding system beneficial effect: 1) present invention provide concentration feeding system use vacuum concentrate feed, it is ensured that
Feeding system is stable, and when conveying, pipeline is in sealing vacuum state, absolutely not putty situation generation.2) present invention provides
Concentrate feeding system to use Automatic Control, respond the scarce material alarm device 182 of its each different combustion furnace connected with right
This combustion furnace carries out sub-material conveying.Its feeding is accurate, fuel will be caused to lack not in time because of personnel's charging, and then affect cigarette
Leaf toasts.3) service life of this concentration feeding system is long, and its service life is spiral, belt-type feeder apparatus service life
5-10 times.4) saving of labor, save time, reduce labor intensity, reduce baking cost.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of baking equipment for preparatory treatment of tobacco (heating equipment),
Fig. 2 is furnace interior structure chart, and wherein Fig. 2 a is right side block diagram, and Fig. 2 b is main TV structure figure, and Fig. 2 c is
Left side block diagram,
Fig. 3 is converter nose and slag removal mechanism schematic diagram in combustion furnace, and wherein Fig. 3 a is front view, and Fig. 3 b is left side view,
Fig. 4 be in Fig. 3 a in right side view in converter nose and outer converter nose coordinate schematic diagram,
Fig. 5 is the burning air supply system structural representation of combustion furnace,
Fig. 6 is combustion furnace and heat exchanger installation diagram, and wherein Fig. 6 a is front view, and Fig. 6 b is left side view, and Fig. 6 c is for overlooking
Figure,
Fig. 7 is the structural representation of heat exchanger shown in Fig. 5, and wherein Fig. 7 a is its left view cut-away view, and Fig. 7 b is thereafter
TV structure schematic diagram,
Fig. 8 is the cleaner unit structural representation in heat exchanger, and wherein Fig. 8 a is its front view, and Fig. 8 b is that its left view is (right
Answer the rearview shown in Fig. 7 b), Fig. 8 c is its top view,
Fig. 9 is the concentration feeding system schematic diagram of five disjunctor cured tobacco curing houses,
Figure 10 is to concentrate the schematic diagram of single feeding device in feeding system.
In figure: 1, combustion furnace, 11, hopper, 12, helical blade feeder, 13, burning feed pipe, 14, converter nose, 15, burning
Air supply system, 16, slag removal mechanism, 17, burning distribution plenum；
121, feeding motor；
141, interior converter nose, 142, outer converter nose, 1421, miner diameter end, 1422, bigger diameter end, 143, flame watch window, 144, temperature
Degree inductive probe, 145, lighter, 146, hollow ventilated district；
151, little blower fan, 152, aerator, 153, matching air box, 154, main ajutage, 155, discharge nozzle anti-backfire ajutage,
156, other purposes ajutage；
161, slagging-off motor, 162, slagging-off band tooth push rod, 163, slagging-off rod bush, 164, push rod directive wheel, 165, gear,
166, electronic induction limit switch, 167, mechanical trip limit switch；
181, fence, 182, lack material alarm device, 183, support frame, 184, separated material lock, 185, electric box, 186, adjustable
Highly castor；
2, heat exchanger, 21, secondary combustion chamber, 22, cleaner unit, 23, radiator, 24, chimney, 25, breast hole, 26, deashing
Mouthful, 27, heat exchanger bracing frame；
221, flame kicker baffle, 222, cylindrical dedusting main body, 223, frustum structure, 224, flue gas rising passway,
225, heat exchanger flame spray entrance (fume inlet passage)；
231, radiator bobbin carriage, 232, fin radiator, 233, heat radiation light pipe；
3, feeding system is concentrated, 31, Material sucking machine containing vacuum pump, 32, storage vat, 33, aspirating air pipe, 330, air entry,
34, charging line, 340, material sucking port, 35, auger feed mechanism, 36, electromagnetic valve, 37, vacuum hopper, 371, drainage screen, 38, weight
Power valve；
4, barn, 41, for hot cell, 42, hang smoke-box, 421, hang smoke-box gate, 43, insulated wall, 44, for hot cell return air inlet,
45, for hot cell air outlet, 46, high low speed circulating fan, 47, cold wind import.
Detailed description of the invention
Heating equipment and wherein each parts will be described in detail by the present invention in conjunction with accompanying drawing, but the protection model of the present invention
Enclose and be not limited to that.
One, the combustion furnace in heating equipment:
1) biomass granule fuel
The fuel that is suitable for of the present invention mainly includes the biomass with wood flour, tabacco straw, soybean stalk, rice husk etc. as raw material
Granule.Described biological particles is raw material pulverizing the cylindrical pellet of extrusion molding (or compression forming), its particle diameter (diameter)
Being 3～20mm, preferably 5～10mm, particle length is generally less than 6cm, and preferably particle length is 2～5cm.Described biological particles
The density of fuel is ＞ 1g/cm3, preferably its density is 1.05～1.3g/cm3。
2) converter nose in combustion furnace
As shown in figures 1-4, present invention firstly provides the converter nose in a kind of biomass combustion furnace, described converter nose 14 includes crouching
In the cylinder that formula is arranged, converter nose 141 and the outer converter nose 142 of truncated cone-shaped, form hollow ventilated district 146 between interior converter nose and outer converter nose,
The burner hearth of combustion furnace described in the internal main composition of described interior converter nose, in Horizontal cylinder the bottom of converter nose offer air vent for for
Biomass granule fuel burning provides air；The axial one end of interior converter nose is connected with the bottom of burning feed pipe 13, the axial other end
In inserting the heat exchanger 2 being connected with combustion furnace 1；Axial one end that outer converter nose is equally used for inserting in described heat exchanger 2 is
Miner diameter end 1421, outer converter nose is its bigger diameter end 1422 near axial one end of burning feed pipe, and outer converter nose miner diameter end 1421
Inwall is 0.8～5mm to the circumferential weld width d of the i.e. bocca periphery of radial distance between interior converter nose outer wall.
In a kind of specific embodiment, the external diameter of described interior converter nose is 159mm, and the external diameter of outer converter nose bigger diameter end is
214mm.In a kind of specific embodiment, described circumferential weld width d is 1～3mm, preferably 1.5～2.5mm, for example, 2mm.
In a kind of specific embodiment, in nearly heat exchanger one end, interior converter nose is concordant with the axial length of outer converter nose, and
In nearly burning feed pipe one end, the axial length of interior converter nose is more than the axial length of outer converter nose, and is longer than outer converter nose at interior converter nose
The radial outside of axial a section be provided with the burning distribution plenum 17 of this end of converter nose in parcel.Described burning distribution plenum is the most suitable
In a buffer container, come from the fresh air in aerator for access, and be distributed to combustion furnace burner hearth and
In secondary combustion chamber.
In a kind of specific embodiment, a diameter of 2 of the air vent bottom interior converter nose～10mm, quantity be 20～
200.On the one hand the design of air vent is to ensure that the fresh air for providing abundance in burner hearth, guarantees the biology in burner hearth simultaneously
Matter granule do not fall out to hollow ventilated district or burning distribution plenum in, and can design accurately its size, quantity and distribution and
Design circumferential weld size makes the air-supply ratio of the primary combustion in burner hearth and the second-time burning in heat exchanger suitable.Concrete in one
Embodiment in, a diameter of 3 of the air vent bottom interior converter nose～7mm, quantity is 40～100；Concrete, described ventilation
Hole for example, diameter 5mm quantity is the uniform hole of 70.
In a kind of specific embodiment, described converter nose also includes slag removal mechanism 16, and described slag removal mechanism be with
The self-skimming mechanism of controller electrical connection, for pushing the slag in interior converter nose and the most not sufficiently combusted clout part
Second-time burning is carried out in heat exchanger 2.
In a kind of specific embodiment, described converter nose also including, the discharge nozzle being arranged in burning feed pipe is prevented back
Fire ajutage 155, the air supply direction of described discharge nozzle anti-backfire ajutage is consistent with the feed direction of biomass granule fuel, uses
In preventing the stove fire in burner hearth from burning in hopper, simultaneously for burner hearth providing another road combustion-supporting fresh air.Concrete in one
Embodiment in, discharge nozzle anti-backfire ajutage is two, its blowout wind down fuel is blown in converter nose.
In a kind of specific embodiment, described converter nose also includes flame watch window 143, described flame observation window
Mouth is cylindrical structural, and its axial one end is goed deep in burner hearth, and the axial other end is arranged on outer converter nose radial outside；In described converter nose
Also include for surveying the temperature sense probe 144 setting fire box temperature and the lighter 145 for igniting；Described flame observation window
Other purposes ajutage 156 it is provided with for preventing stove fire from damaging workpiece by mouth, temperature sense probe and lighter；And
Described temperature sense probe, lighter, for for burner hearth provides biomass granule fuel helical blade feeder 12 and
For providing the burning air supply system 15 of combustion air to be all electrically connected with the controller for combustion furnace.In a kind of specific embodiment
In, described lighter is silicon nitride igniter.The setting of described flame watch window and temperature sense probe makes staff
Can accurately judge in combustion furnace with or without flame-out.
Converter nose beneficial effect: the hollow ventilated district 146 of the converter nose that the present invention provides and interior converter nose and outer converter nose miner diameter end
Between the setting of circumferential weld make: 1) hollow ventilated district has more stable air pressure, provide more stable burning situation for burner hearth, 2)
Burn again after air in hollow ventilated district is preheated, be conducive to improving efficiency of combustion, 3) burning air supply system provides
Fresh air can enter in heat exchanger through this approach and make biomass granule fuel or its primary combustion gained slag and a small amount of
Not sufficiently combusted clout is able in heat exchanger carry out sufficient second-time burning, 4) size and the burner hearth bottom of circumferential weld width leads to
The matched design of air holes size can make biomass granule fuel primary combustion in burner hearth and the combustion of the secondary in heat exchanger
Burning is adjusted to desirable level so that efficiency of combustion is maximum.
The processing of converter nose: in burning, converter nose uses 310S high temperature resistant stainless steel material.310S high temperature resistant stainless steel is a kind of
Austenitic chromium nickel stainless steel, it has good non-oxidizability and corrosion resistance, because the chromium of higher percent and nickel so that it is gather around
Have good many creep strengths, can at high temperature continuous operation, there is good heat-resisting quantity, its resistant to elevated temperatures temperature is not less than
1150℃.When making the interior converter nose of burning, first pass through high accuracy sawing machine cutting, then put face work on lathe, finally put on drilling machine and add
The a number of air vent of work.In combustion furnace, the design of converter nose has taken into full account the characteristic of biomass granule fuel, and its structure sets
Meter is rationally, it is ensured that full combustion of fuel.The outer converter nose that burns uses high temperature spheroidal graphite cast-iron one-shot forming casting, the temperature tolerance of its material
1000 DEG C can be not less than and there is indeformable characteristic under high-temperature medium.The converter nose of the present invention uses high temperature resistant, etch-proof
The interior converter nose that 310S rustless steel makes is as burner hearth inner bag, and its service life is more than 10 times of other common material.
3) slag removal mechanism in combustion furnace
See that Fig. 3, the present invention provide the self-skimming mechanism in a kind of biomass combustion furnace, including horizontally disposed slagging-off band
Tooth push rod 162, for slagging-off band tooth push rod provide and transmission power slagging-off motor 161 and gear 165, be set in slagging-off band tooth push away
Bar radial outside slagging-off rod bush 163, for slagging-off band tooth push rod guide push rod directive wheel 164, described slagging-off band tooth push rod
Axial one end be arranged on by horizontal setting cylindrical in the burner hearth that formed of converter nose 141, slagging-off band tooth push rod the most another
One end is arranged on outer and by controller control push rod the level of burner hearth and pushes away slag motion.In the present invention, the teeth portion on gear and slagging-off
Mate with the teeth portion in tooth push rod so that pinion rotation drives described push rod horizontal movement.
In a kind of specific embodiment, described self-skimming mechanism also includes electronic induction limit switch 166 and machine
Tool lead limit switch 167 is for limiting the start-stop position that slagging-off band tooth push rod moves in the horizontal direction.In the present invention, described electricity
Son sensing limit switch 166 and mechanical trip limit switch 167 are arranged at same one end that slagging-off band tooth push rod 162 is axial, all
When push rod rollback spacing (duplicate protection) with ensure converter nose structure will not by push rod rollback motion damage.
In a kind of specific embodiment, described push rod directive wheel 164 and gear 165 are separately positioned on slagging-off band tooth and push away
The relevant position that bar is upper and lower.
In a kind of specific embodiment, described slag removal mechanism also includes be arranged on slagging-off axial one end of band tooth push rod
And the dreg pushing board being arranged in burner hearth.Preferably, the horizontal Breadth Maximum of described dreg pushing board is the 1/20～1/ of interior converter nose internal diameter
3, the height of dreg pushing board is the 1/20～1/3 of interior converter nose internal diameter.It is highly preferred that the horizontal Breadth Maximum of described dreg pushing board is interior stove
The 1/10～1/4 of mouth internal diameter, the height of dreg pushing board is the 1/10～1/4 of interior converter nose internal diameter.
In a kind of specific embodiment, described dreg pushing board is arc plate or rectangular slab.Described arc plate is such as in half
Circle, crescent, rectangle or square, the biological particles stove that the dreg pushing board being so designed that can will burn in burner hearth in appropriate amount
Slag and the most not sufficiently combusted clout push in heat exchanger, and ensure that appropriate biomass granule fuel stays burner hearth simultaneously
In.
Beneficial effect: the self-skimming mechanism that the present invention provides automatically controls periodically slagging-off, and anti-fuel coking is lumpd, and institute
State push rod and stir burner hearth bottom in time in case stop-pass air holes blocks, it is ensured that efficiency of combustion.Additionally, released combustion furnace by push rod
Slag and the most not sufficiently combusted clout in heat exchanger can also second-time burning, improve efficiency of combustion further.The present invention carries
The self-skimming mechanism of confession is in slag removal, it is possible to pushes in heat exchanger by part biological matter granular fuel, changes because pushing
Biomass granule fuel in hot device 2 can carry out second-time burning, the efficiency of combustion thus self-skimming process will not detract completely.
Self-skimming mechanism uses material and processing: slagging-off band tooth push rod therein uses the 310S of diameter 25mm high temperature resistant not
Rust round steel machine add-on type, has high intensity, the feature such as high temperature resistant, corrosion-resistant, meets duty requirements.Use bipolar caging system control
System (mechanical type and electronic type) push rod moves back and forth, and reaches preferable self-skimming effect.
4) the burning air supply system in combustion furnace
Seeing that Fig. 5 and Fig. 2, the present invention provide the burning air supply system in a kind of biomass combustion furnace, described burning supplies system
System 15 includes little blower fan 151, aerator 152 and the matching air box 153 being sequentially connected in series, and described little blower fan is that charged pool is powered and blower fan
Power 10～200w blower fan, described aerator 152 for power of fan more than little power of fan and for for combustion furnace provide
The blower fan of main fresh air, described matching air box 153 includes the outlet of multiple parallel connection for distributing fresh air and it, described
The outlet of multiple parallel connections is connected with main ajutage 154, discharge nozzle anti-backfire ajutage 155 and other purposes ajutage 156 respectively.
Described burning air supply system is the beneficial effect that combustion furnace is brought: be provided with the little blower fan of charged pool in the present invention
151, even if combustion furnace is in power down mode work, little blower fan can also provide a certain amount of fresh air for burning, more important
, during power failure, little blower fan can be discharge nozzle anti-backfire ajutage 155 and other purposes ajutage 156 provides enough sky
Gas, to guarantee that stove fire will not burn to hopper, also will not damage such as lighter, the glass plate of flame observation window, temperature sense
The workpiece such as should pop one's head in, when having a power failure, can optionally open, close or regulate the valve on main ajutage 154.Institute of the present invention
Stating burning air supply system is that biomass combustion furnace provides a kind of safe and efficient working environment.
In a kind of specific embodiment, the power of described little blower fan is 15～100w, preferably 20～50w；Described drum
The power of blower fan is 150～800w, preferably 200～500w.Specifically, the power of described little blower fan and aerator is such as distinguished
For 25w and 250w.In a kind of specific embodiment, described little blower fan is centrifugal blower.In a kind of specific embodiment
In, during start igniting, described aerator cuts out and only opens described little blower fan, and keeps little blower fan to continue after blower opening
Work, tempering when can prevent from having a power failure.Described little blower fan can be equipped with service message and battery dual power supply, in normal operation, with electricity
Net power supply, and automatically enable storage battery power supply when having a power failure.The burning air supply system of the present invention is provided with independent anti-backfire dress
Put, any in particular cases all without the phenomenon that tempering detonation occurs.
In a kind of specific embodiment, other purposes ajutage described includes lighter ajutage 156a, temperature sense
Should be popped one's head in ajutage 156b and flame watch window ajutage 156c.
In a kind of specific embodiment, the other end of described main ajutage 154 and the burning distribution plenum 17 of combustion furnace
It is connected to send into fresh air power-assisted biomass granule fuel from interior converter nose bottom vents burn burner hearth, and from ring
Fresh air is provided to carry out second-time burning for heat exchanger at seam；The other end of described discharge nozzle anti-backfire ajutage 155 is passed through combustion
Burning while fresh air is sent in burner hearth in feed pipe 13 inside prevents the stove fire in burner hearth from burning to hopper 11.This area skill
Art personnel are accessible, and the other end of described discharge nozzle anti-backfire ajutage 155 can also not be passed directly into burning feed pipe
13 is internal, but be passed through and be set directly in the pipe being equiped with helical blade feeder 12, and this road fresh air is passed through the most again
Burning feed pipe is interior and enters in burner hearth.
5) other structure in combustion furnace
As shown in Fig. 1～5, described combustion furnace 1 also includes for inserting in heat exchanger 2 and interfaced converter nose 14, use
In storing the hopper 11 of biomass granule fuel, for biomass granule fuel being sent into the helical blade feeder 12 in converter nose
With burning feed pipe 13, for the slag in converter nose and the most not sufficiently combusted clout are pushed the slag removal mechanism in heat exchanger
16 and for the burning fresh air that provides of air supply system 15 is distributed to burning distribution plenum combustion-supporting in converter nose and heat exchanger
17。
In the present invention, flame sprays in the horizontal direction from converter nose, and flame laterally burns to heat exchanger, and flame level sprays
The distance of converter nose end is usually 30～150cm.
In a kind of specific embodiment, described helical blade feeder 12 is drawn by feeding motor 121, and described combustion
Burn stove and also include being arranged on above hopper 11 fence 181 for auxiliary storage, be arranged on the scarce material report at burning feed pipe top
Alarm device 182, for supporting the support frame 183 of each parts in combustion furnace, be arranged on the feed hopper bottom of combustion furnace for electrically
During fault physics block the passage between feed hopper bottom and helical blade feeder and the separated material lock 184 playing anti-backfire effect, for
Show and manipulate the electric box 185 of automatically controlled information and move for combustion furnace and the caster with adjustable height of converter nose altitude mixture control
186。
Beneficial effect: the firepower size in combustion furnace of the present invention accurately can be controlled by control system, specifically leads
If controlling the start and stop of helical blade feeder 12 and controlling firepower size.Such as set-up of control system is friction feeding 8s and stops
Having a rest after 5s and continue periodically feeding, now stove fire is more prosperous, and friction feeding 5s rest and continue stove fire during periodically feeding after 5s
Less.During concrete control, we can vary in size according to required firepower and be divided into multiple firepower gear, and such as 10
Shelves, then for each firepower gear, its feeding rule is programmed and controls；Meanwhile, the slagging-off frequency to each firepower gear
It is programmed automatically controlling.In a kind of specific embodiment, we come automatically according to Temperature Feedback in the extension smoke-box of barn
Control firepower size or firepower gear, and automatically control slagging-off frequency according to firepower size or firepower gear.
The use material of support frame 183 and processing: select 40*40 square tube section, first cut through high precision numerical control sawing machine, then put
Fixing mould welds, keeps the concordance of size.
Helical blade feeder with material and processing: the core component of helical blade feeder is helical blade and spiral
Axle.Helical blade selects Q345 low-alloy steel, is added in helical blade former by material good under laser blanking machine and rushes
Pressure.Helical axis selects 45# round steel quenched through high-temperature heat treatment, and hardness reaches 260～300HBS.
Two, the heat exchanger in heating equipment:
Fig. 6～8 provide a kind of heat exchanger, described heat exchanger 2 are used for being connected to horizontal converter nose 14 one end of combustion furnace 1,
Described heat exchanger 2 includes being positioned at the secondary combustion chamber 21 of bottom, being arranged on second-time burning indoor and for flame and high temperature cigarette
The cleaner unit 22 of gas dedusting, the high-temperature flue gas after dedusting and air carry out the radiator 23 of heat exchange and hand over for heat
Flue gas after changing discharges the chimney 24 of heat exchanger；Described cleaner unit 22 includes connecting described converter nose 14 and for by horizontal in converter nose
The flame of ejection and high-temperature flue gas introduce the fume inlet passage 225 in heat exchanger, are connected to two of fume inlet passage 225 end axially
It is arranged at the cylindrical dedusting main body 222 of vertical direction, is positioned at two cylindrical dedusting intersubjective flame kicker baffles
221 and be positioned at the top of each cylindrical dedusting main body and the frustum structure being coaxially disposed with cylindrical dedusting main body
223, described flame kicker baffle 221 be vertically arranged and for by described flame and high-temperature flue gas from being introduced tangentially into two cylinders
In dedusting main body, the bigger diameter end of described frustum structure 223 upper and miner diameter end under, its bigger diameter end is close with cylindrical dedusting main body
Envelope connects so that flame and high-temperature flue gas are after fume inlet passage enters cleaner unit, at the guide effect backspin of flame kicker baffle
Rotate in cylindrical dedusting main body, then flow out from the flue gas rising passway 224 that the center taper through hole of frustum structure is formed
Cleaner unit and enter described radiator 23.
Skilled artisans will appreciate that, described frustum structure for example, frustum cone structure, but for ease of machining, logical
Often described frustum structure is set to many pyramid structure of many pyramid structure, such as 10～30 angles, specifically real in one
Executing in mode is 18 angles.Add man-hour, sector structure material (one piece of fan-shaped strip sheet) good under laser is rolled over 17 cuttves through bar folder
Form frustum mechanism.
In a kind of specific embodiment, described fume inlet passage 225 is set to rhs-structure, and fume inlet passage 225 to
Few one end being connected with converter nose 14 in the longitudinal direction is provided with channel base plate breach, the slag pushed away for slag removal mechanism 16 with
The most not sufficiently combusted clout falls in the secondary combustion chamber 21 of heat exchanger 2 from there.Skilled artisans will appreciate that
, described fume inlet passage 225 rhs-structure can also be not provided with base plate, and this can't affect the efficiency of dust collection of cleaner unit.
In a kind of specific embodiment, two cylindrical tangent settings of dedusting main body and setting up separately at fume inlet passage high temperature
The left and right sides in flow of flue gas direction, the Breadth Maximum m that fume inlet passage projects in the horizontal plane is less than or equal to two frustum structures
Beeline n that projects in the horizontal plane of miner diameter end.
In a kind of specific embodiment, described heat exchanger 2 also includes being positioned at the breast hole 25 of exchanger base, being positioned at
The cleaning door 26 of the flue end of radiator 23 and for supporting the heat exchanger bracing frame 27 of each parts of heat exchanger；Described
Radiator 23 comprises radiator bobbin carriage 231 and the fin radiator 232 being arranged in radiator bobbin carriage 231 and heat radiation light pipe
233, the high-temperature flue gas after dedusting is introduced into lower floor's fin radiator, after light pipe is dispelled the heat on middle level fin radiator and upper strata from cigarette
Chimney discharge, air enters radiator above radiator bobbin carriage 231, and flows from top to bottom outside radiating tube, absorption have from
In high-temperature flue gas, the high temperature air of heat flows out bottom heat exchanger 2；Described lower floor fin radiator is five and be arranged in parallel
On sustained height, described middle level fin radiator is four and is set in parallel on sustained height, described upper strata heat radiation light pipe
It is five non-finned light pipes being set in parallel on sustained height.Skilled artisans will appreciate that, in every layer of radiating tube
Flue gas in four or five radiating tubes co-flow simultaneously.Flue-gas temperature in the heat radiation light pipe on upper strata is the highest, thus
The fin of heat exchange area is increased, if necessary, naturally it is also possible to it is added fin without it is added.Alternatively, it is also possible to set
Put more layers radiating tube or every layer more or less root radiating tube are set, this is all feasible.
In a kind of specific embodiment, dispel the heat light pipe on lower floor's fin radiator, middle level fin radiator and upper strata
In one end of every hot channel be provided with cleaning door 26 and deashing lid.Compared in prior art at every layer of hot channel
One end one deashing lid is set jointly for, the mode that the present invention provides is so that the better tightness of radiating tube, heat exchange
The heat exchange efficiency of device is higher.
In a kind of specific embodiment, secondary combustion chamber 21 inwall at described heat exchanger is built and is provided with refractory brick, and
Described heat exchanger is that split is arranged, and uses flange by the scarfing cinder pipeline of split setting, secondary combustion chamber 21, radiator in heat exchanger
23 and chimney 24 is corresponding connects, and also use that described secondary combustion chamber 21 split arranges by flange under the section of laying bricks and in upper nothing
Brick section connects；Scarfing cinder drawer and matched scarfing cinder rake it is additionally provided with at described breast hole.In the present invention, heat exchanger
Second-time burning indoor block set refractory brick and make it have the strongest heat insulating ability and alleviate the degree of oxidation of steel plate.Heat exchanger is group
Dress formula structure, its installation is easy to operate, and Flange joint is easy to maintenance and repair, and is not required to machinery unloading installation, its processing safety
By force.It addition, the present invention also arranges flue at secondary combustion chamber in upper section without brick, it is specifically located at above cleaner unit.
Those skilled in the art know ground, and cyclone separator is that the one separated for gas-solid system or liquid-solid system sets
Standby, its operation principle causes rotary motion for being introduced tangentially into by air-flow, makes solid particle or the liquid with bigger centrifugal inertial force
Drip and get rid of outside wall separately.The advantage of cyclone separator drawn by cleaner unit in the present invention, and arranges frustum structure 223 further
Described cleaner unit is made to be more suitable for separating the dust come from the flame and high-temperature flue gas laterally gone out in combustion furnace 1.
In a kind of specific embodiment, the diameter of the miner diameter end of described frustum structure with the ratio of bigger diameter end diameter is
1:1.5～5.In a kind of specific embodiment, the diameter of the miner diameter end of described frustum structure and the ratio of bigger diameter end diameter
For 1:2～4, the cleaner unit being so designed that plays optimal removing can to the flame and the high-temperature flue gas that introduce in heat exchanger in the present invention
Dirt effect.
The beneficial effect brought by present invention heat exchanger: the heat exchanger of the present invention uses the cyclone type dedusting of special structure
Device, the dust produced during by burning is after cyclone dust extractor is settlement separate, and the high-temperature flue gas after purification can reach national environmental protection row
Put standard (smokeless and dust free).
Secondary combustion chamber in present invention heat exchanger is divided into two sections.Arrange on four perisporiums of lower intrasegmental part and adapt in it
The refractory brick of wall size.The thickness of refractory brick is 30mm～50mm, uses high temperature clay to tile and forms.Epimere is internally provided with rotation
Wind cleaner unit, can effectively prevent the dust produced in combustion process from entering the finned tube of radiator.Secondary combustion chamber (specifically changes
Hot device flame entrance 225) dock tightly with the outer converter nose of combustion furnace.
Secondary combustion chamber 21 in present invention heat exchanger uses acid resisting steel thick for 4mm to make, the flue gas in secondary combustion chamber
Pipeline uses combination type to be fastenedly connected with radiator 23, it is ensured that seal；Radiator 23 uses acidproof steel or stainless steel to make, heat radiation
Area >=9m2, heat exchange efficiency >=57.8%.
Chimney in present invention heat exchanger usesRound steel pipe make, one end is connected with radiator, another
End stretches out and is connected with civil engineering chimney for hot cell wall is outer, and all junctions guarantee to seal.
In the present invention, after combustion furnace is docked with heat exchanger, converter nose distance heat exchanger secondary combustion chamber bottom height away from
From for 200～300mm, for example, 250mm so that waste residue can be stored bottom secondary combustion chamber, secondary can be carried out again and fully fire
Burning, moreover it is possible to raising up of buffering dust, reduce the deposition in radiating tube, (season is cleared up one in each baking can to reduce deashing number of times
Secondary), reduce labor intensity, improve heat utilization rate.
Full-automatic control system in the heating equipment that the present invention provides has a characteristic that
1) possesses one-key start function.
2) possesses the fully automatic operation pattern for bulk curing barn tobacco flue-curing flow process.
3) in running, abnormal power failure can preserve running status, can automatically be connected operation after being re-energised.
4) possess (reserving) centralized Control and internet of things functional.
5) possesses automatic firing function: without manual intervention Full-automatic ignition, it is possible to whether stop working and oneself in judging burner hearth
Dynamic rekindling.
6) running status can be shown: current firepower size, running status, fire box temperature can be shown.
7) possesses self-skimming function: self-skimming, it is ensured that combustion furnace is properly functioning.
8) possessing scarce material to report to the police: sound and light alarm, SMS reminds (optional).
9) possess front scavenging, rear scavenging and flame-out security function, prevent from being tempered detonation.
Three, the concentration feeding system in heating equipment:
As shown in Figure 9 and Figure 10, the present invention provides a kind of biomass granule fuel to concentrate feeding system, described concentration feed
System 3 provides biomass granule fuel for concentrating for two or more combustion furnace 1, and described concentration feeding system 3 includes containing vacuum
The Material sucking machine 31 of pump, storage vat more than 32, two aspirating air pipes more than 33, two charging lines 34, auger feed mechanisms 35, send
Material distribution joint, two or more electromagnetic valve 36, two or more vacuum hopper 37 and two or more weight valve 38；Described storage vat 32
For leaving biomass granule fuel concentratedly, bottom it, it is provided with auger feed mechanism (35) and for being sent into by granular fuel
The feeding distribution joint of different charging lines 34, described vacuum hopper 37 is arranged on top, combustion furnace for in combustion furnace
Hopper 11 feed, described electromagnetic valve 36 is arranged on the aspirating air pipe 33 that vacuum hopper 37 is connected with vacuum pump, described weight valve
38 are arranged on bottom vacuum hopper 37；When vacuum pump starts and electromagnetic valve 36 on certain or a plurality of aspirating air pipe 33 opens,
Under vacuum action, the weight valve 38 bottom the vacuum hopper 37 of this aspirating air pipe 33 correspondence remains closed, and biological particles
Fuel is in this vacuum hopper 37 sent into by corresponding charging line；Gravity when described electromagnetic valve 36 cuts out, after unloading vacuum
Valve 38 is opened under the self gravitation effect of biomass granule fuel and hopper 11 in trend combustion furnace in vacuum hopper 37
Feed.
Skilled artisans will appreciate that, every barn of bulk curing barn typically can prepare a combustion furnace 1 and one
Heat exchanger 2, thus outside five disjunctor barns as shown in Figure 9, set up five combustion furnaces separately, use concentration feeding system of the present invention
Can be above-mentioned five combustion furnace feed.Specifically, can be that certain combustion furnace is used alone the confession of this concentration in certain time period
Material system, it is also possible to be to have two in certain time period or multiple stage combustion furnace uses this concentration feeding system simultaneously.In the present invention,
Described auger feed mechanism is also called screw feed mechanism, and its Main Function is stirring fuel and from storage vat, fuel is sent into institute
State in feeding distribution joint.Stirring structure therein is possible to prevent biomass granule fuel to block described feeding distribution joint.Institute
Stating auger feed mechanism 35 can be identical or different with the helical blade feeder 12 in combustion furnace 1, but the two employing general is not
The machine of same model, such as the blade diameter of the two is different or pitch is different and causes the feeding ability difference of the two.
In a kind of specific embodiment, the internal diameter of described aspirating air pipe 33 is 20～150mm, described charging line 34
Internal diameter be 20～150mm.In a kind of specific embodiment, the internal diameter of described aspirating air pipe 33 is 30～120mm, preferably
40～100mm, the most for example, 50mm.The internal diameter of described charging line 34 is 30～120mm, preferably 40～100mm, concrete example
As for 50mm.
In a kind of specific embodiment, the air entry 330 that vacuum hopper connects with described aspirating air pipe is positioned at very
On the roof of empty hopper, the material sucking port 340 that vacuum hopper connects with described charging line is positioned at the upper of the sidewall of vacuum hopper
Portion；The top of described vacuum hopper is provided with drainage screen 371, and the material sucking port 340 on vacuum hopper is positioned at below drainage screen, vacuum
Air entry 330 on hopper is positioned at above drainage screen, and described electromagnetic valve is Unidirectional solenoid valve, and described vacuum pump is liquid-ring type vacuum
Pump.The setting of drainage screen is possible to prevent biomass granule fuel to be drawn in vacuum pump.In a kind of specific embodiment, institute
The power stating water-ring vacuum pump is more than 3kw, preferably 5～10kw, for example, 7.5kw.
In a kind of specific embodiment, described weight valve 38 includes valve plate, rotating shaft and weight member, valve plate and counterweight
Parts are all connected with rotating shaft, when vacuum hopper is not loaded with biomass granule fuel and during vacuum pump opens feeding, and weight
The valve plate of power valve 38 is closed under the effect of weight member, and is loaded with biomass granule fuel in vacuum hopper and unloads
When carrying vacuum, valve plate automatically opens up feed in the hopper 11 of combustion furnace under the gravity of biomass granule fuel is oppressed.This
In bright, according to the weight of weight member described in the density of biomass granule fuel and the volume respective design of vacuum hopper so that
Guan Bi when described weight valve can realize zero load, the function opened during airtight and load during evacuation.
In a kind of specific embodiment, the volume of described vacuum hopper 37 is less than or equal to the hopper 11 in combustion furnace
Volume.In a kind of specific embodiment, the volume of described vacuum hopper 37 be the volume of the hopper 11 in combustion furnace about
1/2, thus vacuum intake then can be automatically filled with described hopper 11 twice.Those skilled in the art can be from understanding, the present invention
Described in vacuum hopper only biomass granule fuel is played temporary effect, when vacuum pump stops suction, in vacuum hopper
Granular fuel drops in hopper below the most automatically.In a kind of specific embodiment, described hopper 11 also sets
It is equipped with glass vision panel, observes charging situation for staff the most normal.
In a kind of specific embodiment, the described Material sucking machine 31 containing vacuum pump also includes controller, described control
Device electrically connects control with the material-level measure sensor arranged in combustion furnace, described controller also with the motor of auger feed mechanism,
The trigger of vacuum pump and the electrical connection of described electromagnetic valve control.In a kind of specific embodiment, controller is according to setting
The scarce material institute feedack that material-level measure sensor in combustion furnace detects, both the most also can automatically control described collection
The start and stop of middle feeding system, select to the vacuum hopper feed on the one or more combustion furnaces specified.In a kind of concrete reality
Executing in mode, the latter linked each charging line of feeding distribution joint is provided with feeding electromagnetic valve, respectively when certain combustion furnace
When there is to lack material warning, controller controls the electricity on vacuum pump, the motor of auger feed mechanism, feeding electromagnetic valve and aspirating air pipe
Magnet valve is all opened, and under the suction of vacuum pump, draws biomass granule fuel to corresponding vacuum mutually at feeding distribution joint
In hopper, now the weight valve bottom vacuum hopper keeps air-tight state under vacuum action.When feeding reaches certain time length
After, controller controls the electromagnetic valve on aspirating air pipe, vacuum pump and auger feed mechanism and cuts out, and stops suction, unloads vacuum,
Grain fuel is opened weight valve under its action of gravity and is down to the hopper of combustion furnace from vacuum hopper.
Concentrate feeding system beneficial effect: 1) present invention provide concentration feeding system use vacuum concentrate feed, it is ensured that
Feeding system is stable, and when conveying, pipeline is in sealing vacuum state, absolutely not putty situation generation.2) present invention provides
Concentrate feeding system to use Automatic Control, respond the scarce material alarm device 182 of its each different combustion furnace connected with right
This combustion furnace carries out sub-material conveying.Its feeding is accurate, fuel will be caused to lack not in time because of personnel's charging, and then affect cigarette
Leaf toasts.3) service life of this concentration feeding system is long, and its service life is spiral, belt-type feeder apparatus service life
5-10 times.4) saving of labor, save time, reduce labor intensity, reduce baking cost.
The biomass granule fuel that the present invention provides concentrates feeding system can be the timely feed in combustion furnace, and whole system is certainly
Dynamic control feeding, only needs manpower or machinery to be unpacked by biomass granule fuel and pours in described storage vat 32, and other process is
Full-automatic mechanical operates, and saves substantial amounts of manpower and materials.
Four, heating equipment
In the heating equipment that the present invention provides, all welding all use robot arm automatic welding, and welding position is selected and mother metal
Consistent wlding welds, it is ensured that all weld seams are tight, smooth, and pore-free is air tight without slag inclusion, and mechanical performance reaches mother metal
Performance.When high-grade mother metal welds with inferior grade mother metal, the wlding consistent with high-grade mother metal must be selected.
The outer metallic surface of the heating equipment that the present invention provides all uses resistance to 500 DEG C of high temperature above, antioxidation, adhesive force strong
Environment-friendly materials carry out preservative treatment, external coating also makes surface cleanness grade reach GB/T 8923 through blasting treatment to specify
Sa2.5 level requirement, surfaces externally and internally uses high temperature, epoxy zinc rich primer to carry out 3 road sprayings, and finish paint uses electrostatic spraying (roasting
Paint), this technique has high temperature resistant and resistant to strong corrosion characteristic, extends the service life of heating equipment.Making of described heating equipment
More than 10 years are all reached with the life-span, generally more than 12 years.
In sum, on the basis of existing technology, applicant of the present invention successfully develops high-efficiency low-pollution energy-saving ring
The biomass granule fuel heat supply complete set of equipments protected, it is achieved that biomass fuel fully burns, and solves conventional biomass fuel
In burning produce tar can not burn completely coking caking technical barrier.The present invention the most successfully develops novel heat exchanger,
Solve the problem that in current tobacco flue-curing, heat exchange utilization rate is the highest.And successfully develop new tobacco baking intelligent control
System processed, it is achieved that biomass combustion is the effect of full-automatic regulation firepower according to tobacco flue-curing heat demand, has reached burning
Materials are few, and the quality of tobacco of baking gained is high, the purpose of energy-conserving and environment-protective.At the base meeting tobacco roasting temperature control process requirement
On plinth, not only achieve the function of fully automatic operation, self-skimming, energy-saving and emission-reduction, environment-protection low-consumption, also there is fast, intensification of lighting a fire
Hurry up, firepower strong, it is easy to the feature such as burn and be precisely controlled.
Specifically:
1, equipment electromechanical integration, automaticity is high, stable, safety.This machine uses automatic feed, automatic point
Fire, it is automatically adjusted oxygen supply, temperature automatically controlled, operating in a key, precisely to run, combustion process is in semi-closed state, outside the flames of anger
Let out, no pressure operation, low-voltage power supply；Unique self-skimming functional design, completes self-skimming, safety and stability.
2, power adjustments amplitude in combustion furnace is big, and temperature-controlled precision is high.Combustor (combustion furnace) power can be according to tobacco flue-curing work
The demand of skill arbitrarily regulates, and reaches accurately to control the purpose of baking by controlling automatic function.Tobacco flue-curing work can be fully met
The needs of skill, by accurate temperature control (temperature-controlled precision is up to 0.1～0.5 DEG C, and precision is higher than coal-fired temperature-controlled precision 1～3 DEG C), energy
Effectively evade the mass loss that the factors such as temperature control inaccuracy are brought.Burner structure (only tradition flue-cured tobacco the compactest, lightweight
The half weight of equipment), install simple and convenient.
3, biological particles burning is fully, and efficiency of combustion reaches 87%.Combustor uses half integrated gasification combined combustion technology, tool
Having the characteristic of multi-faceted high temperature oxygen supply half gasification, and combustion, the long-time low power run of energy, burning is abundant, without soot emission, thermal effect
Rate is high, and flue dust, sulfur are nitrogen discharged low, sulfur dioxide, hydrogen sulfide zero-emission, non-secondary pollution, and shop environment is clean.Evade because of combustion
The flue dust of coal and the harmful gas impact on flue cured tobacco quality, the color, smell and taste of Nicotiana tabacum L. of coming out of the stove are strong, and quality of tobacco is obviously improved.
4, heat exchanger heat utilization ratio is high.Heat exchanger (radiator) heat exchange area is big, and sootfall room temperature is high, effectively
Solve equipment coking phenomenon, can by tar gasification burnout, heat exchange efficiency is greatly improved, makes overall heat exchange efficiency reach
57.8%.
5, fuel tolerance is wide, energy-saving and emission-reduction.This combustor with biological particles as fuel, specially agriculture (Caulis et Folium Oryzae, wheat
Grass, corn stalk, corn cob, rice husk, Pericarppium arachidis hypogaeae, Exocarpium Gossypii, cotton stem, Rhizoma Imperatae, weeds ...) woods (trees, bark, tree root, tree
Leaf, wood shavings, bamboo powder, sawdust ...) the like waste is fuel, burning fully, consumes the energy few.
6, equipment is simple to operate, automaticity is high, save labor.Start baking from click and initially enter full-automatic control
System, concentrates feed, automatic feed, is automatically adjusted oxygen supply, temperature automatically controlled, self-skimming, it is achieved that " one-touch " operates and run
Stable, accurate.As a example by the baking workshop of 50 barns, traditional coal heating flue-cured tobacco needs (to include baking about 15 people
Cigarette master worker), could maintain the normal operation at a workshop, and take the biological particles combustion apparatus flue-cured tobacco that the present invention provides,
Have only to about 5 people, improve more than 3 times than the labor efficiency of traditional coal heating baking.
7, energy consumption and baking cost are reduced.Biomass fuel tobacco flue-curing cost why ratio baked by using fire coal low cost, one
It is efficiency of combustion and heat exchanger effectiveness is greatly improved and causes energy consumption to be greatly lowered；Two is that automatic feeding system avoids accurately
The waste of redundancy fuel in heating and cooling process；Three is that highly integrated automated control technology has greatly saved human cost.Adopt
The baking direct cost drying 1 kilogram of Nicotiana tabacum L. with traditional coal heating equipment at least wants 2.26 yuan, and takes in the present invention raw
Material grains fuel barn dries the baking direct cost only about 1.73 yuan of 1 kilogram of dry tobacco leaf, and per kilogram Nicotiana tabacum L. saves 0.54
Unit, often hole flue-cured tobacco expense capable of saving fuel about 312 yuan.Additionally, automatic ignition of the present invention, programming rate are steady, temperature controls
Stablize, be automatically adjusted temperature, auto feed (every 48h adds once), dry tobacco leaf quality preferably (orange cigarette rate is high), automatically remove
Slag, the utilization rate high (containing elements such as abundant nitrogen, phosphorus, potassium, can be as fertilizer also field) of slag ash.
8, emission reduction effect is notable.In the Tobacco Leaf Curing of the present invention, basic smoke dust, sulfur is nitrogen discharged low, carbon monoxide,
Hydrogen sulfide zero-emission, non-secondary pollution, baking shop environment is clean, it is low to pollute.The baking of biological particles combustion apparatus is with coal-fired
The exhaust emissions contrast of heating equipment baking is as shown in table 1.
Table 1
The heating equipment that the present invention provides is adapted to bake with original metal barn (coal heating), advanced composite material (ACM) heat supply
The coupling of the dissimilar barns such as room, biomass heat supply bulk curing barn and biomass heat supply movable type board house structure barn.
The conclusion that the biomass granule fuel heating equipment that the present invention provides draws through Central China University of Science and Technology's detection is: burning
The inspection of the aspects such as efficiency, maximum heat outputting power, heat exchange efficiency, hopper capacity, feed, igniting, fin radiator, control system
Survey result the most qualified.
As shown in Fig. 1 and Fig. 9, Figure 10, the present invention provides a kind of biomass granule fuel heating equipment, described heating equipment
Including combustion furnace 1, heat exchanger 2, provide the concentration feeding system 3 of biomass granule fuel and barn 4 for combustion furnace, described in change
Hot device 2 is for being connected to horizontal converter nose 14 one end of combustion furnace 1, and described barn 4 includes that described heat exchanger 2 is arranged for hot cell 41
In for hot cell 41, described combustion furnace 1 and concentration feeding system 3 are arranged on outside barn 4；Described concentration feeding system 3 is used for
Two or more combustion furnace 1 is concentrated provides biomass granule fuel, and described concentration feeding system 3 includes the Material sucking machine containing vacuum pump
31, more than 33, two charging lines 34 of more than 32, two aspirating air pipes of storage vat, auger feed mechanism 35, feeding distribution connect
Head, two or more electromagnetic valve 36, two or more vacuum hopper 37 and two or more weight valve 38；Described storage vat 32 is used for concentrating
Depositing biomass granule fuel, bottom it, being provided with auger feed mechanism 35 and for granular fuel being sent into different feedings
The feeding distribution joint of pipeline 34, described vacuum hopper 37 is arranged on top, combustion furnace for supplying for the hopper 11 in combustion furnace
Material, described electromagnetic valve 36 is arranged on the aspirating air pipe 33 that vacuum hopper 37 is connected with vacuum pump, and described weight valve 38 is arranged on
Bottom vacuum hopper 37；When vacuum pump starts and electromagnetic valve 36 on certain or a plurality of aspirating air pipe 33 opens, make at evacuation
Under with, the weight valve 38 bottom the vacuum hopper 37 of this aspirating air pipe 33 correspondence remains closed, and biomass granule fuel is through phase
The charging line answered is sent in this vacuum hopper 37；When described electromagnetic valve 36 cuts out, the weight valve 38 after unloading vacuum is very
Empty hopper 37 is opened under the self gravitation effect of biomass granule fuel and hopper 11 feed in trend combustion furnace.
In a kind of specific embodiment, described heating equipment is tobacco flue-curing heating equipment, and described barn is also
Including hanging smoke-box 42 and being positioned at for the insulated wall 43 between hot cell 41 and extension smoke-box 42, and in barn, it is additionally provided with high circulated at low velocity
Blower fan 46 is used for driving air for circulating between hot cell 41 and extension smoke-box 42.
In a kind of specific embodiment, described combustion furnace includes that converter nose 14, described converter nose 14 include horizontal setting
In cylindrical, converter nose 141 and the outer converter nose 142 of truncated cone-shaped, form hollow ventilated district 146, described interior stove between interior converter nose and outer converter nose
The burner hearth of combustion furnace described in the internal main composition of mouth, in Horizontal cylinder, the bottom of converter nose offers air vent for for biomass
Grain fuel combustion provides air；The axial one end of interior converter nose is connected with the bottom of burning feed pipe 13, and the axial other end is used for inserting
In the heat exchanger 2 being connected with combustion furnace 1；It is miner diameter end that outer converter nose is equally used for inserting the axial one end in described heat exchanger 2
1421, outer converter nose is its bigger diameter end 1422 near axial one end of burning feed pipe, and the inwall of outer converter nose miner diameter end 1421 arrives
The circumferential weld width d of the i.e. bocca periphery of the radial distance between interior converter nose outer wall is 0.8～5mm.
In a kind of specific embodiment, described combustion furnace includes the air supply system 15 that burns, described burning air supply system
15 include little blower fan 151, aerator 152 and the matching air box 153 being sequentially connected in series, and described little blower fan is that charged pool is powered and blower fan merit
Rate 10～200w blower fan, described aerator 152 for power of fan more than little power of fan and for providing main for combustion furnace
The blower fan of the fresh air wanted, described matching air box 153 includes the outlet of multiple parallel connection for distributing fresh air and it, described many
The outlet of individual parallel connection is connected with main ajutage 154, discharge nozzle anti-backfire ajutage 155 and other purposes ajutage 156 respectively.
In a kind of specific embodiment, described combustion furnace includes that slag removal mechanism 16, described slag removal mechanism include level
The slagging-off band tooth push rod 162 that arranges, provide for slagging-off band tooth push rod and the transmission slagging-off motor 161 of power and gear 165, sheathed
Slagging-off rod bush 163 at slagging-off band tooth push rod radial outside, the push rod directive wheel 164 for slagging-off band tooth push rod guiding, described
Axial one end of slagging-off band tooth push rod is arranged in the burner hearth formed by the cylindrical interior converter nose 141 of horizontal setting, and remove the gred band tooth
The axial other end of push rod is arranged on outer and by controller control push rod the level of burner hearth and pushes away slag motion.
In a kind of specific embodiment, described heat exchanger 2 includes being positioned at the secondary combustion chamber 21 of bottom, being arranged on two
In secondary combustor and for the cleaner unit 22 of flame and high temperature fume dust removal, the high-temperature flue gas after dedusting are carried out with air
The radiator 23 of heat exchange and the flue gas after heat exchange discharge the chimney 24 of heat exchanger；Described cleaner unit 22 includes even
Connect described converter nose 14 and for will in converter nose the flame of laterally ejection and high-temperature flue gas introduce the fume inlet passage 225 in heat exchanger,
Two that are connected to fume inlet passage 225 end are axially arranged at the cylindrical dedusting main body 222 of vertical direction, are positioned at two circles
Cylindricality dedusting intersubjective flame kicker baffle 221 and be positioned at each cylindrical dedusting main body top and with cylinder
The frustum structure 223 that dedusting main body is coaxially disposed, described flame kicker baffle 221 is vertically arranged and for by described flame and height
Temperature flue gas from being introduced tangentially into two cylindrical dedusting main bodys, the bigger diameter end of described frustum structure 223 upper and miner diameter end under,
Its bigger diameter end is connected with cylindrical dedusting body seal so that flame and high-temperature flue gas after fume inlet passage entrance cleaner unit,
Rotate under the guide effect of flame kicker baffle in cylindrical dedusting main body, then from the center taper through hole shape of frustum structure
The flue gas rising passway 224 become flows out cleaner unit and enters described radiator 23.
In a kind of specific embodiment, high low speed circulating fan 46 drives the air confession hot cell from insulated wall 43 top
Return air inlet 44 enters for hot cell 41, and flowing out for hot cell air outlet 45 bottom insulated wall 43 enters extension smoke-box for hot cell 41
42；Described extension smoke-box 42 is provided with extension smoke-box gate 421 and passes in and out for personnel and material, is additionally provided with cold wind import in described barn
47。
The present invention provides a kind of containing above-mentioned combustion furnace, heat exchanger and the heating equipment of concentration feeding system.The present invention carries
The heating equipment of confession realizes the repeated combustion of biomass granule fuel, makes the burnings such as fuel, tar, dust fully, after burning
Noresidue, the tar produced during efficiently solving biomass combustion, cinder blocking heat-exchanger, tail gas residue pollute environment
With key issues such as etching apparatuses, significantly improve the utilization rate of biomass energy calorific value.Described heating equipment at least have as
Lower feature.
1, safety: utilize coal to have naked light to produce as fuel, it is possible to leakage fire causes Nicotiana tabacum L. to burn, causes that tobacco grower's is huge
Big loss；And in the present invention, combustion furnace is arranged on that barn is outer, heat exchanger is sealingly disposed in barn in hot cell, in barn
Hanging smoke-box and kept apart by insulated wall for hot cell, the naked light produced in combustion furnace is totally-enclosed in combustion furnace and heat exchanger, thus
The consequence of Nicotiana tabacum L. burning will not be produced.
2, environmental protection: whole heating equipment under operation, does not has any dust, flue gas to emerge, and sulfur is nitrogen discharged low, an oxygen
Changing carbon and hydrogen sulfide zero-emission, baking shop environment is clean, pollution-free.And coal combustion contains hook fire and adds when particularly dissipating coal baking
The program of coal, has the drift of substantial amounts of coal ash dirt to raise and SO2Release, affects and pollutes environment.
3, high-quality baked goods: the concentration feeding system of the present invention, burning feed mechanism, burning air supply system, remove
Slag mechanism etc. is programme controlled automated system, such as comprise helical blade feeder in burning feed mechanism, helical-blade
Sheet feeder is set to automatic open close by program, determines firepower size in combustion furnace according to its opening and closing time, and then determines whole
The real-time heating load of individual heating equipment so that the dry-bulb temperature in barn and wet bulb temperature and heating-up time, surely temperature time etc.
The equal controllable precise of parameter.Wherein without the variations in temperature of instability fluctuated, do not result in cold dust and hot dust etc. without using
The low quality Nicotiana tabacum L. being worth, the quality of tobacco baked is good.It addition, the tobacco flue-curing program that automatization's standard is arranged can be avoided
A lot of maloperations and bring waste product, and make the quality of Nicotiana tabacum L. the most well-balanced more preferably.
4, saving of work and time: full-automatic setting can save substantial amounts of manual labor.Whole process the most only needs manpower by biology
Matter granular fuel send into concentrate feeding system storage vat in (this process also can complete by machinery), and the slag of after-flame from
The breast hole of heat exchanger clears.Feeding system is concentrated automatically from storage vat 32, biological particles to be sent into vacuum material
In bucket 37, automatically sending into hopper 11 by biological particles from vacuum hopper 37 after feed, burning air supply system is automatically adjusted
Sending into the air capacity in combustion furnace, the slag in burner hearth and the most not sufficiently combusted clout are pushed heat exchange by slag removal mechanism automatically
Device carries out second-time burning, in burner hearth burning and heat exchanger in second-time burning produce high-temperature flue gas after dedusting at radiator
Place discharges from chimney after heating the circulation air in barn, and the high low speed circulating fan 46 in barn promotes the heat in barn empty
Gas circulates and from flowing into for hot cell 41 to hang, Nicotiana tabacum L. carries out smoke-box 42 heated baking, hangs the temperature and humidity in smoke-box same
Sample is also adopted by automatically controlling.These processes are carried out the most automatically, save substantial amounts of manpower and time.And avoid people and burning combustion
The directly contact of material, beneficially tobacco grower's is healthy.
5, efficient energy-saving: the present invention changes in first technology the mode of suspension combustion in combustor b, changes biomass into
Grain is controllably deposited in converter nose burning, then by adjusting the burning air supply system of the present invention so that its efficiency of combustion is by 82%
Being further increased to 87%, the raising of efficiency of combustion produces remarkable result to energy saving of system.It addition, the present invention is good at exhaust emissions
Get well and in the case of combustion furnace noncoking, not slagging scorification, be not required to provide the strong impetus so that biological particles suspension combustion and energy
Amount consumes, and reduce further the energy consumption of whole combustion furnace and heating equipment.
6, the service life of equipment is long: this heating equipment uses the steel of special substance, has high temperature resistant, anticorrosion, prolongs
The features such as long life；Equipment surface application and through blasting treatment make surface cleanness grade reach GB/T 8923 regulation
Sa2.5 level requirement, surfaces externally and internally uses high temperature, epoxy zinc rich primer to carry out three road sprayings, and finish paint uses electrostatic spraying (baking vanish),
The feature that this technique has high temperature resistant, resistant to strong corrosion, increases the service life, the life-span of this heating equipment typically can reach 12 years
Above, more durable in use than other heating equipment.
7, equipment is applied widely: this heating equipment can be accomplished to dock easily and combine closely with all kinds of barns, and should
Heating equipment is suitable for mobile, as cigarette can be planted but this year can not plant former years by some cigarette district, must change to another place kind, the most permissible
A whole set of biomass granule fuel heating equipment is moved to other flue-cured tobacco district toast.Additionally, the heat supply that the present invention provides sets
The standby drying plant being also used as various agricultural product, including medical material, Oryza glutinosa, Flos Lonicerae, Radix hemerocalis plicatae etc..
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a biomass granule fuel concentrates feeding system, it is characterised in that described concentration feeding system (3) is used for being two
Above combustion furnace (1) is concentrated provides biomass granule fuel, and described concentration feeding system (3) includes the Material sucking machine containing vacuum pump
(31), storage vat (32), more than two aspirating air pipes (33), more than two charging lines (34), auger feed mechanisms (35), give
Material distribution joint, two or more electromagnetic valve (36), two or more vacuum hopper (37) and two or more weight valve (38)；Described storage
Charging basket (32) is used for leaving biomass granule fuel concentratedly, is provided with auger feed mechanism (35) and for by granule bottom it
The feeding distribution joint of different charging line (34) sent into by fuel, described vacuum hopper (37) be arranged on top, combustion furnace for
For hopper (11) feed in combustion furnace, described electromagnetic valve (36) is arranged on the suction nozzle that vacuum hopper (37) is connected with vacuum pump
On road (33), described weight valve (38) is arranged on vacuum hopper (37) bottom；Vacuum pump starts and certain or a plurality of aspirating air pipe
(33) when the electromagnetic valve (36) on is opened, under vacuum action, vacuum hopper (37) bottom that this aspirating air pipe (33) is corresponding
Weight valve (38) remain closed, and biomass granule fuel is in this vacuum hopper (37) sent into by corresponding charging line；When
Described electromagnetic valve (36) close time, unloading vacuum after weight valve (38) in vacuum hopper (37) biomass granule fuel from
Open under body action of gravity and hopper (11) feed in trend combustion furnace.
Concentrate feeding system the most according to claim 1, it is characterised in that the internal diameter of described aspirating air pipe (33) be 20～
150mm, the internal diameter of described charging line (34) is 20～150mm.
Concentrate feeding system the most according to claim 1, it is characterised in that connect with described aspirating air pipe on vacuum hopper
Air entry (330) is positioned on the roof of vacuum hopper, and the material sucking port (340) that vacuum hopper connects with described charging line is positioned at
The top of the sidewall of vacuum hopper；The top of described vacuum hopper is provided with drainage screen (371), and the material sucking port on vacuum hopper
(340) being positioned at below drainage screen, the air entry (330) on vacuum hopper is positioned at above drainage screen, and described electromagnetic valve is unidirectional electrical
Magnet valve, described vacuum pump is water-ring vacuum pump.
Concentrate feeding system the most according to claim 1, it is characterised in that described weight valve (38) include valve plate, rotating shaft and
Weight member, valve plate and weight member are all connected with rotating shaft, when not being loaded with biomass granule fuel in vacuum hopper and vacuum pump
During opening feeding, the valve plate of weight valve (38) is closed under the effect of weight member, and in vacuum hopper
When being loaded with biomass granule fuel and unloading vacuum, valve plate automatically opens up to burning under the gravity of biomass granule fuel is oppressed
Feed in the hopper (11) of stove.
5. according to concentrating feeding system described in any one in Claims 1 to 4, it is characterised in that described vacuum hopper (37)
Volume less than or equal to the volume of the hopper (11) in combustion furnace.
Concentrate feeding system the most according to claim 1, it is characterised in that the described Material sucking machine (31) containing vacuum pump also wraps
Including controller, described controller electrically connects control with the material-level measure sensor arranged in combustion furnace, described controller also with strand
The dragon motor of feed mechanism, the trigger of vacuum pump and the electrical connection of described electromagnetic valve control.
7. one kind connects just like the combustion furnace concentrating feeding system (3) described in any one in claim 1～6.
Combustion furnace the most according to claim 7, it is characterised in that described combustion furnace includes converter nose (14), described converter nose (14)
Including cylindrical interior converter nose (141) and the outer converter nose (142) of truncated cone-shaped of horizontal setting, between interior converter nose and outer converter nose, form hollow
Ventilating area (146), the burner hearth of combustion furnace described in main composition inside described interior converter nose, in Horizontal cylinder, the bottom of converter nose offers
Air vent is for providing air for biological particles fuel combustion；The axial one end of interior converter nose connects with the bottom of burning feed pipe (13)
Connecing, the axial other end is in inserting the heat exchanger (2) being connected with combustion furnace (1)；Outer converter nose is equally used for inserting described heat exchange
Axial one end in device (2) is miner diameter end (1421), and outer converter nose is its bigger diameter end near axial one end of burning feed pipe
, and the inwall of outer converter nose miner diameter end (1421) is to the radial distance i.e. circumferential weld width of bocca periphery between interior converter nose outer wall (1422)
Degree d is 0.8～5mm.
Combustion furnace the most according to claim 7, it is characterised in that described combustion furnace includes the air supply system (15) that burns, described
Burning air supply system (15) includes little blower fan (151), aerator (152) and the matching air box (153) being sequentially connected in series, described little blower fan
Power for charged pool and power of fan 10～200w blower fan, described aerator (152) is that power of fan is more than little blower fan merit
Rate and for providing the blower fan of main fresh air for combustion furnace, described matching air box (153) be used for distributing fresh air and its
Including the outlet of multiple parallel connections, the outlet of the plurality of parallel connection respectively with main ajutage (154), discharge nozzle anti-backfire ajutage
(155) connect with other purposes ajutage (156).
Combustion furnace the most according to claim 7, it is characterised in that described combustion furnace includes slag removal mechanism (16), described slagging-off
Mechanism includes horizontally disposed slagging-off band tooth push rod (162), provides for slagging-off band tooth push rod and the slagging-off motor of transmission power
(161) and gear (165), be set in slagging-off band tooth push rod radial outside slagging-off rod bush (163), for slagging-off band tooth push rod lead
To push rod directive wheel (164), axial one end of described slagging-off band tooth push rod be arranged on by horizontal setting cylindrical in converter nose
(141), in the burner hearth formed, the axial other end of slagging-off band tooth push rod is arranged on outside burner hearth and is controlled the water of push rod by controller
Horizontal sliding slag moves.
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| CN201610471768.6A CN106108094B (en) | 2016-06-24 | 2016-06-24 | A kind of biomass granule fuel concentrates feeding system and combustion furnace |
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| CN201610471768.6A CN106108094B (en) | 2016-06-24 | 2016-06-24 | A kind of biomass granule fuel concentrates feeding system and combustion furnace |
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| CN (1) | CN106108094B (en) |
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| CN108692329A (en) * | 2018-05-24 | 2018-10-23 | 湖南鑫迪新能源科技有限公司 | A kind of fuel feed system and fuel charge method |
| CN109645543A (en) * | 2019-01-17 | 2019-04-19 | 云南烟草机械有限责任公司 | A kind of biomass supplies heating integrated tobacco curing barn |
| CN115419876A (en) * | 2022-08-02 | 2022-12-02 | 中国电建集团西北勘测设计研究院有限公司 | Biological fermentation steam generating device |
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| CN203497737U (en) * | 2013-10-08 | 2014-03-26 | 江苏泰禾金属工业有限公司 | Vacuum feeding device |
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| CN108692329A (en) * | 2018-05-24 | 2018-10-23 | 湖南鑫迪新能源科技有限公司 | A kind of fuel feed system and fuel charge method |
| CN108692329B (en) * | 2018-05-24 | 2024-01-30 | 湖南鑫迪新能源科技有限公司 | Fuel feeding system and fuel feeding method |
| CN109645543A (en) * | 2019-01-17 | 2019-04-19 | 云南烟草机械有限责任公司 | A kind of biomass supplies heating integrated tobacco curing barn |
| CN109645543B (en) * | 2019-01-17 | 2023-11-24 | 云南烟草机械有限责任公司 | Biomass heat supply integrated tobacco curing barn |
| CN115419876A (en) * | 2022-08-02 | 2022-12-02 | 中国电建集团西北勘测设计研究院有限公司 | Biological fermentation steam generating device |
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| CN106108094B (en) | 2017-11-21 |
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Denomination of invention: A centralized feed system and combustion furnace for biomass particulate fuel Effective date of registration: 20230320 Granted publication date: 20171121 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: HUNAN XINDI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980035443 |
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Denomination of invention: A biomass pellet fuel centralized feeding system and combustion furnace Granted publication date: 20171121 Pledgee: Ningxiang sub branch of Bank of Changsha Co.,Ltd. Pledgor: HUNAN XINDI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2024980006370 |