CN104782759B - A kind of biogas infra-red radiation roller crop dryer - Google Patents
A kind of biogas infra-red radiation roller crop dryer Download PDFInfo
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Abstract
The present invention relates to a kind of biogas infra-red radiation roller crop dryer, including support, roller, rotor drive, burner, burner control cabinet, outer combustion gas access tube and master controller, roller is arranged on support, rotor drive is connected with drum drive, drive roller turns clockwise or rotate counterclockwise, burner is fixed on support by support frame, and the main body of burner is extend into roller, with the contactless setting of roller, burner control cabinet is connected with burner and outer combustion gas access tube, biogas in outer combustion gas access tube is passed through burner combustion；Master controller is arranged on support, controls the rotation of roller.Technique that the present invention solves existing drying machine is backward, cost is high, efficiency is low, temperature is low and programming rate is slow, energy resource consumption is big, disposal of pollutants is high, cause cereal to be charred, smoke blowing, quick-fried waist, the problems such as causing the grain quality after drying to reduce.Fast with rate of drying, flue gas pollutant discharges the advantages that extremely low.
Description
Technical field
The present invention relates to a kind of drying equipment, belong to agricultural mechanical field, rolled more particularly, to a kind of biogas infra-red radiation
Cylinder crop dryer.
Background technology
China is maximum in the world grain-production and consumer nation, 2,011 5.7 hundred million tons of gross annual output grains.In recent years, by
In the perfect of agriculture system, agrotechnical popularization, the total grain output steady-state growth year by year in China, still, China is vast in territory,
It is spectacular, in grain harvest season, rainy weather is often run into, cereal is germinateed and is gone mouldy from drying in time, causes huge
Big loss.According to statistics, the loss after China's grain harvest during threshing, drying, storage, transport etc. is up to 15%, much
Standard more than as defined in FAO (Food and Agriculture Organization of the United Nation) 5%.In these losses, every year because having a humid climate, wet paddy has little time to dry
Or the not up to safe moisture grain of loss such as cause to go mouldy, germinate is up to 5,000,000,000 kilograms, serious year's harvest loss up to 10%
Even more, economic loss is up to 30,000,000,000 yuan~60,000,000,000 yuan.The Northeast's wheat harvest period is averaged every 3 years
Rainy season, it is accordingly required in particular to grain drying machinery, about 200,000,000~300,000,000 kilograms of grain loss in the case of Guangdong Province is long-term, up to 500,000,000 when serious
Kilogram.
China's foodstuff preservation is limited by management system, and grain depot is present and concentrated grain storage and the peasant household place of production to disperse two kinds of grain storage
Mode.First way is national grain depot concentric acquisition tide grain, carries out concentration drying using large-sized drying machines substantially, then carries out
Storage；Second way peasant household disperses after being voluntarily dried, and pays the commodity food of safe moisture to grain depot and is stored.
Grain main product saves, and because grain depot drying facility is complete, grain loss is also less (3% or so), and the scattered grain storage in the peasant household place of production is tight
Lack the equipment such as necessary drying machine again, cause 5%~15% loss.At present, domestic drying machinery recoverable amount is with average annual
50% or so amplification is quickly risen, but annual mechanical drying cereal only accounts for 1% or so of national total grain yield, and the world is sent out
95% or so of total output can be reached up to the mechanical grain-drying of country, it is seen that grain-drying machinery development in China's far can not adapt to
Needed in cereal production development.
Condition of Grain-Drying Technology generally have heated-air drying, drying generator, low-temperature vacuum drying, heat pump drying, solar energy drying,
Microwave drying, infrared radiation drying, combined drying method etc..
Hot-air seasoning is the grain drying method being most widely used at present, accounts for China's grain drying operation
90%.It is to use the hot-air with certain temperature by the surface of material to be dried to reduce the moisture of material, so as to
Reach dry purpose.Heat transfer type based on convection heat transfer' heat-transfer by convection drying mode, using it is more be concurrent drying, along mixed flow drying
With the drying mode such as fluidized bed drying.Heated-air drying is simple to operate, and cost is cheap, higher compared with efficiency under high dry temperature, but
Because drying process temperature is high, the quick-fried waist of part grain grain (percent cracked rice more than 7%) is caused, is destroyed color, smell and taste and nutritional ingredient,
Product specification reduces, and is not suitable for the drying of high-quality grain, and Thermal Efficiency of Hot Air Drying receives greatly under relatively low working temperature environment
Influence, energy utilization rate is relatively low, and cost is higher.Comparatively, there are many shortcomings in this dry technology, as rate of drying compared with
Slowly, the energy of consumption is high, but easily-controlled operation.
Drying generator is using natural air or heating air as dried medium, and high moisture grain in storehouse is carried out forcing to lead to
Wind processing.It can be put in storage after being characterized in grain harvest, reduce the link such as drying outside storehouse, dry, grain can be kept to greatest extent
Food matter.It is big that this method disposably handles quantity, and investment is smaller, and drying cost is relatively low, and loss is small, is adapted to high-volume, scale
Drying process.Shortcoming is that the aeration-drying of large granary deep layer grain is difficult, uneven drying phenomenon is universal, is not suitable for drying together
Batch moisture differs larger cereal etc..At present, it is adapted to the mobile three-dimensional drying generator of China's chamber storehouse grain storage form
Technology puts into practical application in some areas, and the complete set of equipments uses combination, and movement is easy for installation, can be moved with equipment
Dynamic to replace grain heap to move, equipment is once invested, and repeatedly can be used in more storehouses.
Low-temperature vacuum drying method is to be changed according to the height of grain moisture content explosive evaporation temperature with environmental pressure size
Principle, the space with certain vacuum degree is formed using steam jet vacuum technique, continuously to aqueous under vacuum and low temperature state
The high grain of rate is dehydrated.Grain internal and external temperature gradient is small during operation, and the moisture caused in grain is acted on by reverse osmosis
Move alone, overcome the lost phenomenon of solute, it is ensured that original color after grain heat-drying, nutritional ingredient, quality are basic
It is constant, it is easy to store, transport and sell.This method has that treating capacity is big, precipitation range is high, operation is flexible, easy to use etc. excellent
Point.Its weak point is that equipment one-time investment is big, and current turriform continuous vacuum drying equipment is in dryness storehouse without guiding
Device, dried material in storehouse can not horizontal cross-flow, warehouse structural thermal insulation, sealing requirements are high, dried grain
Food quality stability is difficult to ensure that.Further, since vacuum drying vaporization low boiling point, drying temperature are low, oxygen content is only normal
Dry 5% is pressed dry, therefore available for the drying of foodstuff seed.
Heat pump techniques are to absorb heat from low-temperature heat source, it is released the technology of available energy at relatively high temperatures, are
A kind of energy-saving effect is obvious and practicable novel dried technology.Evaporated using working medium is heated in evaporator for decompression, from
Dry in tail gas and recycle waste heat, and gaseous working medium enters condenser after compressor compresses again, condenses at relatively high temperatures
Latent heat preheating fresh air is discharged, dried medium is obtained the temperature also higher than EGT, reaches the purpose of dried material.
Abroad, heat pump drying technology is widely used to the process of the materials such as cereal, fruits and vegetables, aquatic products.China's heat pump drying
The research of technology is started in the 1980s, also being broken through in terms of grain scale application without the actual property of acquirement.
Solar energy drying is the heat energy using solar radiation, by the dry technology of the moisture evaporation removing in wet stock.Profit
Carrying out grain drying with solar energy typically has 2 kinds of modes, when using air or water as medium, it is sharp in the case where there is sunlight
By water temperature heating to 98 DEG C hot aqueous medium can be recycled to carry out dried material with solar water heater；Second, establish passive type too
Positive energy greenhouse, dried material is placed in greenhouse and dried.The maximum deficiency of solar energy drying is that one-time investment is larger, and by
The influence of weather conditions is big, it is often necessary to is used in combination with other drying means.
Microwave refers to the electromagnetic wave that frequency is 300MHz~3000GHz, electromagnetic wave of the wavelength between 0.1mm~1m, leads to
Often also referred to as " uhf electromagnetic wave ".The principle of method for microwave drying is to trigger the pole such as water in dried material by frequency electromagnetic waves
The motion of property molecule so that the water isopolarity molecule in material makees synchronous rotary and swing by microwave frequency.Water isopolarity molecule
The result of high speed rotation, make instantaneous generation frictional heat inside material, cause material inside and surface while heat up, make substantial amounts of water
Molecule evaporates effusion from material, so as to reach dry purpose.Microwave drying has strong penetration capacity, selectivity heating, heat
The advantages that inertia is small, rate of drying is fast, the time is short, meets environmental requirement, and be easily achieved and automatically control.Microwave current is dried
Cereal technology is at home and abroad still located under study for action.
Infrared radiation seasoning is to utilize electromagnetism of the wavelength between 760nm~1mm, between visible ray and microwave
When ripple is irradiated to material, a part is absorbed, and a part is reflected, and that part energy of absorption is converted into the heat fortune of molecule
It is dynamic, object temperature is raised, reaches the purpose of heat drying.Infrared drying is the theme of Recent study, and it is not passed only
Pass the thermal efficiency is high, the heat time is short, object is heated evenly, working environment is clean, equipment noise is low, it is compact to save the energy, device,
The advantages that being easy to automatic control, easily being absorbed by some objects, and relatively efficiently can avoid or reduce quick-fried waist phenomenon.Therefore,
, can be with after each side factors such as its drying cost, drying time and drying device are considered at present for grain dry technology
Certainly infra-red drying technology be best suitable for, the effective ways of most development potentiality.
The research of combined drying method grew up in recent years.Combined drying is exactly the drying feature according to material, collection
Into two or more dry technology, realize energy-conservation, guarantee the quality and highly effective drying effect.China researcher has carried out a variety of
The exploration and research of combined drying technology, such as infrared combined drying, microwave combining drying, radio frequency-fluidized bed drying are combined, too
Positive energy-heat pump drying joint etc..
In summary, current drying plant is universal heavy tall and big, and what is taken mostly is hot blast, and doing fuel with coal is added
Heat drying, and be mostly large-scale plant.Therefore cost is higher, greatly wastes national fuel source, it is assumed that dry 150 daily
Ton-grain food will consume 4~5 tons of coals, about 4~5,000 yuan of the daily fuel cost of user.In new rural village evolution now,
There is a large amount of new village cooperative societies pattern, contracted nearly hundred mu of groups to thousands of mu of farmlands and continue to bring out, need badly it is suitable this
The crop dryer of class scale, and it is expected that this drier can also dry other agricultural byproducts.
On the other hand, the new stage that production and use of marsh gas development in China's enters great development, developed soon.By the end of the end of the year 2011,
National household biogas reaches 39,960,000 families, accounts for the 23% of rural total amount, and population of being benefited is up to people more than 1.5 hundred million.Expect 2015,
Country Household Using Marsh Gas user reaches 5000~fifty-five million family.Biogas category renewable and clean energy resource in rural area, and rural environment are controlled
The important means of reason.But it is estimated that being currently in good operation biogas engineering less than 20%, nearly 1/3 operating is bad, and remaining is then located
In stoppage in transit state.Basic reason is that Gas application is backward in technique, market power shortage, and wherein biogas combustion technology is maximum
Bottleneck.Because biogas contains 55% methane and 45% carbon dioxide, methane is the slower hydrocarbon of burning velocity, natural pond
The presence of inert gas carbon dioxide reduce further burning velocity in gas, makes burning completely and the lifting of burner rating is met
To limitation (such as the power of Marsh gas water heater is below 8 liters/min in the market)；In addition biogas production is led to because of state of arts
Normal pressure fluctuation is frequent, causes combustion flame unstable, and discharge performance is poor, and the thermal efficiency is low.Fully-premixed technology is by combustion gas
It is thoroughly mixed with air before combustion chamber burner is entered, gas molecule is fully stirred to scattered mixing by premix chamber so that mixed
Conjunction is more complete, so that burning velocity is no longer limited by the physical conditions such as gas diffusion velocity, burns more complete, speed more
It hurry up, be more efficient.Because the air of addition with approach combustion stoichiometry than quantity premix, so burning required air quantity be less than
Conventional method, make the reduction of combustion product gases amount, reduce flue gas radiating, improve efficiency of combustion.Full premix technology effectively improves
Combustion gas and the mixed effect of air, while pressure, flow velocity are reached an agreement through premix chamber, avoid biogas inlet pressure from fluctuating and fire
The situation that burner muzzle velocity does not wait occurs.After-combustion is sprayed through fire hole, due to having completed precise proportions mixing, makes combustion process
Completely, burning velocity is fast, and flame temperature is high, and discharge performance is good.
The application of infra-red drying industrially is very universal, because it has application of the advantages of numerous on grain dry
Also increasingly it is taken seriously.In the drying process of infra-red radiation, because infrared ray has certain penetrability, the shape inside material
Into thermal accumlation, along with the continuous evaporation endothermic of dried material surface moisture reduces material surface temperature, material is caused
It is internal higher than external temperature, the thermal diffusion process of material is carried out by interior.Simultaneously as the moisture ladder inside material
Moisture caused by degree moves, always mobile from the more inside of moisture to the less outside of moisture, so material internal moisture
Wet diffusion is consistent with thermal diffusion direction, and this is by the diffusion process for accelerating moisture namely accelerates drying process.
The content of the invention
The purpose of the present invention is exactly that the technique of existing drying machine is backward, cost is high, efficiency is low, temperature is low and rises in order to solve
Warm speed is slow, energy resource consumption is big, disposal of pollutants is high, cause cereal to be charred, smoke blowing, quick-fried waist, cause the grain quality drop after drying
Low problem, and a kind of biogas infra-red radiation roller crop dryer using combustion gas full premix combustion technology is provided.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of biogas infra-red radiation roller crop dryer, including support, roller, rotor drive, burner, burning
Device control cabinet, outer combustion gas access tube and master controller, described roller are arranged on support, described rotor drive with
Drum drive connects, and drive roller turns clockwise or rotate counterclockwise, described burner are fixed on branch by support frame
On frame, and the main body of burner is extend into roller, with the contactless setting of roller, described burner control cabinet and burner
And the connection of outer combustion gas access tube, the biogas in outer combustion gas access tube is passed through burner combustion；Described master controller is set
Put on support, control the rotation of roller.
The outer middle side part of described roller is provided with annulus shaped ring gear, and gear, described roller are engaged with described gear ring
Transmission device includes adjustable frequency motor and transmission device, and adjustable frequency motor drives pinion rotation by transmission device, passes through gear
Rotational band moving teeth circle and roller rotate.
The outside both ends of described roller are provided with annular steel ring, and described steel ring is used as the track of roller revolution.
Described roller is horizontal cylinder shape structure, and the both ends of roller are uncovered structure, and one end is entrance point, the other end
For the port of export, feed hopper enters entrance point by conveying band connection, and discharge bucket is arranged on the lower section of the port of export.
Described burner control cabinet includes isolating high-pressure ignitor, gas conduct pipe, magnetic valve, circuit control panel, control cabinet mistake
Filter, DC fan and air-gas mixer,
Described outer combustion gas access tube is connected with magnetic valve, described magnetic valve by gas conduct pipe be connected to air-
On fuel gas mixer, described DC fan is connected with air-gas mixer, and described air-gas mixer passes through pre-
Mixed gas conduit connection burner, described isolating high-pressure ignitor, magnetic valve, DC fan and circuit control panel linearly connected, institute
The control cabinet filter stated is arranged on control cabinet, filters combustion air.
The fuel of outer combustion gas access tube access be biogas, and biogas combustion heating metallic fiber is to infra-red radiation shape during use
State.
Line between described air-gas mixer and burner includes high-pressure ignition wire and ground wire.
The outside of described burner is provided with surface metal fibrofelt.
The innermost insert of described roller has longitudinal flight that six height are 50mm, uniform along drum length direction.
The innermost insert of described roller has the horizontal ring washer that 10 height are 100mm, and uniform with drum length direction.
When drying machine works, such as 5 ° of adjustment riding angle.Cereal is sent into roller from feed hopper by conveyer belt, rolling
Cylinder is turned clockwise, and rotating speed can be adjusted, but burner is fixed on support and do not rotated.Gear ring on the outside of roller is driven by little gear
Employ in drive roller revolution.Steel ring is used as the track of roller revolution, and whole roller is supported by four carrying rollers.In inner wall of rotary drum
Longitudinal flight is studded with, when roller turns round, the cereal of cylinder bottom is fried by longitudinal flight, with the revolution of roller, is longitudinally copied
Cereal in plate uniformly scatters gradually.10 row's transverse baffles are also studded with inner wall of rotary drum, baffle plate both ends are provided with breach.In uniform
The cereal for the state that scatters of rolling is sent the hyperthermia radiation of infrared ray by burner surface metallic fiber, steams the moisture in cereal
Issue.As roller rotates, cereal skids off discharge bucket along deflector and baffle plate breach.
Compared with prior art, the present invention has advantages below and beneficial effect：
(1) the existing biogas engineering in rural area is made full use of, biogas full premix combustion technology is mutually tied with grain dry technology
Close, biogas is burnt in the burner in the case where being premixed entirely with air, the infrared ray gone out using metallic fiber hyperthermia radiation
With high temperature flue gas drying cereal.Rate of drying of the present invention is fast, and flue gas pollutant discharge is extremely low.
(2) Drying uses rotational structure in the present invention, is heated evenly the cereal of drying, and cereal is non-burnt, not smoke blowing,
Dried grain quality is good.Dryer shape of the invention is small, movable operation, can save a large amount of capital construction costs.
(3) present invention has a wide range of application.The biogas infra-red radiation roller drier of the present invention is suitable for agricultural, industry extensively
Dry, drying field, it is all possess certain particle size (10~150mm), viscosity it is less, there is certain moisture (＜ 60%) solid
Grain can be dried.Burner rating can be designed and produced by product requirement, usual 10~120kW of scope.Combustion power adjustable range
More than 50%.Roller drier possesses convenient and flexible operation, produces elasticity greatly, (such roller drier is used for cereal to efficiency high
Dry, the paddy of moisture content 30% can be dried in 50 minutes to 15% safe moisture, production capacity 350kg/h.).It is mobile
It is convenient.Especially economy and social benefit are had more when biogas substitutes electrical heating or dries.
Brief description of the drawings
Fig. 1 is whole system structural representation of the present invention；
Fig. 2 is A-A cross-sectional views in Fig. 1；
Fig. 3 is burner control cabinet internal structure schematic diagram.
Label in figure：1 is roller, and 2 be burner, and 3 be gear ring, and 4 be premixed gas conduit, and 5 be burner control cabinet, 6
For conveyer belt, 7 be feed hopper, and 8 be outer combustion gas access tube, and 9 be rotor drive, and 10 be steel ring, and 11 be start button, 12
It is failure reset button for master controller, 13,14 be fired state display screen, and 15 be support, and 16 be discharge bucket, and 17 copy for longitudinal direction
Plate, 18 be surface metal fibrofelt, and 20 be isolating high-pressure ignitor, and 21 be gas conduct pipe, and 22 be magnetic valve, and 23 be circuit control panel,
24 be control cabinet filter, and 25 be DC fan, and 26 be air-gas mixer.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of biogas infra-red radiation roller crop dryer, as shown in Fig. 1~Fig. 2, including support 15, roller 1, roller pass
Dynamic device 9, burner 2, burner control cabinet 5, outer combustion gas access tube 8 and master controller 12, roller 1 is horizontal cylinder shape knot
Structure, the both ends of roller 1 are uncovered structure, and one end is entrance point, and the other end is the port of export, and feed hopper 7 is connected by conveyer belt 6
Enter entrance point, discharge bucket 16 is arranged on the lower section of the port of export.Roller 1 is arranged on support 15, and the outer middle side part of roller 1 is provided with circle
Annular gear ring 3, gear is engaged with gear ring 3, rotor drive 9 includes adjustable frequency motor and transmission device, adjustable frequency motor
Pinion rotation is driven by transmission device, rotated by the rotational band moving teeth circle 3 and roller 1 of gear.The outside both ends of roller 1 are set
There is annular steel ring 10, steel ring 10 is used as the track that roller 1 turns round.Rotor drive 9 drive roller 1 turn clockwise or
Rotate counterclockwise.The innermost insert of roller 1 has longitudinal flight 17 that six height are 50mm, uniform along drum length direction.Rolling
The innermost insert of cylinder 1 has the horizontal ring washer that 10 height are 100mm, and uniform with length direction.Burner 2 is consolidated by support frame
It is scheduled on support 15, and the main body of burner 2 is extend into roller 1, burner 2 is located at the bosom of roller 1 position on the upper side, with
1 contactless setting of roller, burner control cabinet 5 are connected with burner 2 and outer combustion gas access tube 8, outer combustion gas are accessed
Biogas in pipe 8 is passed through burner 2 and burnt；The head of burner 2 is by ignition electrode, flame detector, porous support plate and housing group
Into.The outside of burner 2 is provided with surface metal fibrofelt 18.When metallic fiber radiative surface temperature reaches 850~900 DEG C of height
Wen Shi, just outside infrared radiation.Radiating surface calorific intensity is up to 140~190 × 10-6kW/mm2, radiation efficiency 45% or so.Row
Cigarette temperature lower than same kind of products at abroad 27%, the thermal efficiency is that 88% foreign countries are more than 83.5%, can solar term at least 6%.NOx is year-on-year
Decline 50%.Excess oxygen percent volume to volume is up to 2%~2.7% at smoke evacuation, be foreign technology 26% it is external for 9.2%~
9.4%.Master controller 12 is arranged on support 15, controls the rotation of roller 1.Master controller 12 is additionally provided with support 15, should
Master controller 12 be provided with start button 11, failure reset button 13 and fired state display screen 14., should when drying machine works
Master controller 12 can monitor and adjust at any time fired state, radiation intensity.
As shown in figure 3, burner control cabinet 5 includes isolating high-pressure ignitor 20, gas conduct pipe 21, magnetic valve 22, circuit control
Plate 23, control cabinet filter 24, DC fan 25 and air-gas mixer 26, outer combustion gas access tube 8 connect with magnetic valve 22
Connect, magnetic valve 22 is connected on air-gas mixer 26 by gas conduct pipe 21, and DC fan 25 mixes with air-gas
Device 26 connects, air-gas mixer 26 by premixed gas conduit 4 connect burner 2, isolating high-pressure ignitor 20, magnetic valve 22,
DC fan 25 and the linearly connected of circuit control panel 23.Control cabinet filter 24 is arranged on control cabinet, filters combustion air.Outside
The fuel that portion's combustion gas access tube 8 accesses be biogas, and biogas combustion heating metallic fiber is to infra-red radiation state during use.Air-
Line between fuel gas mixer 26 and burner 2 has flame detecting function and ground wire concurrently including high-pressure ignition wire.
When drying machine works, such as 5 ° of adjustment riding angle.Cereal is sent into roller 1 from feed hopper 7 by conveyer belt 6
In, roller 1 is turned clockwise, and rotating speed can be adjusted, but burner 2 is fixed on support 15 and do not rotated.The gear ring in the outside of roller 1
3 are driven for driving roller 1 to turn round by little gear.Steel ring 10 is used as the track that roller 1 turns round, whole by four carrying roller supports
Roller 1.Longitudinal flight 17 is studded with the inwall of roller 1, when roller 1 turns round, the cereal of the bottom of roller 1 is fried by longitudinal flight 17
Rise, with the revolution of roller 1, the cereal in longitudinal flight 17 uniformly scatters gradually.10 row's transverse gears are also studded with the inwall of roller 1
Plate, baffle plate both ends are provided with breach.Cereal in the uniform state that scatters of rolling is sent red by the surface metal fiber 18 of burner 2
The hyperthermia radiation of outside line, come out the moisture evaporation in cereal.As roller 1 rotates, cereal is along deflector and baffle plate breach
Skid off discharge bucket 16.Roller drier is used for grain dry, the paddy of moisture content 30% can be dried into 15% in 50 minutes
Safe moisture, production capacity 350kg/h.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel do not depart from improvement that scope made and modification all should be the present invention's according to the announcement of the present invention
Within protection domain.
Claims (5)
1. a kind of biogas infra-red radiation roller crop dryer, it is characterised in that including support (15), roller (1), drum drive
Device (9), burner (2), burner control cabinet (5), outer combustion gas access tube (8) and master controller (12), described roller
(1) it is arranged on support (15), described rotor drive (9) is connected with roller (1), drives roller (1) to do up time
Pin is rotated or rotate counterclockwise, described burner (2) are fixed on support (15) by support frame, and the master of burner (2)
Body is extend into roller (1), and with roller (1) contactless setting, described burner control cabinet (5) is with burner (2) and outside
Portion's combustion gas access tube (8) is connected, and the biogas in outer combustion gas access tube (8) is passed through into burner (2) burning；Described master control
Device (12) is arranged on support (15), the rotation of control roller (1)；
Described burner control cabinet (5) includes isolating high-pressure ignitor (20), gas conduct pipe (21), magnetic valve (22), circuit control
Plate (23), control cabinet filter (24), DC fan (25) and air-gas mixer (26), the access of described outer combustion gas
Pipe (8) is connected with magnetic valve (22), and described magnetic valve (22) is connected to air-gas mixer by gas conduct pipe (21)
(26) on, described DC fan (25) is connected with air-gas mixer (26), described air-gas mixer (26)
Burner (2), described isolating high-pressure ignitor (20), magnetic valve (22), DC fan (25) are connected by premixed gas conduit (4)
With circuit control panel (23) linearly connected, described control cabinet filter (24) is arranged on control cabinet, filters combustion air；
The innermost insert of described roller (1) has six longitudinal flights (17), the rolling uniform, described along roller (1) length direction
The innermost insert of cylinder (1) has 10 horizontal ring washers, and uniform along roller (1) length direction.
A kind of 2. biogas infra-red radiation roller crop dryer according to claim 1, it is characterised in that described roller
(1) outer middle side part is provided with annulus shaped ring gear (3), and gear, described rotor drive are engaged with described gear ring (3)
(9) adjustable frequency motor and transmission device are included, adjustable frequency motor drives pinion rotation by transmission device, passes through the rotation of gear
Gear ring (3) and roller (1) is driven to rotate.
3. a kind of biogas infra-red radiation roller crop dryer according to claim 1 or 2, it is characterised in that described
The outside both ends of roller (1) are provided with annular steel ring (10), and described steel ring (10) is used as the track of roller (1) revolution.
A kind of 4. biogas infra-red radiation roller crop dryer according to claim 1, it is characterised in that described roller
(1) it is horizontal cylinder shape structure, the both ends of roller (1) are uncovered structure, and one end is entrance point, and the other end is the port of export, is entered
Hopper (7) is connected by conveyer belt (6) and is arranged on the lower section of the port of export into entrance point, discharge bucket (16).
A kind of 5. biogas infra-red radiation roller crop dryer according to claim 1, it is characterised in that described burning
The outside of device (2) is provided with surface metal fibrofelt (18).
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| CN201510136610.9A CN104782759B (en) | 2015-03-26 | 2015-03-26 | A kind of biogas infra-red radiation roller crop dryer |
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| CN201510136610.9A CN104782759B (en) | 2015-03-26 | 2015-03-26 | A kind of biogas infra-red radiation roller crop dryer |
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| CN104782759B true CN104782759B (en) | 2018-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106568084A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared emitter |
| CN106568320A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared radiation device |
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