CN107178992A - Auxiliary power formula point airduct drying system and its control method - Google Patents
Auxiliary power formula point airduct drying system and its control method Download PDFInfo
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- CN107178992A CN107178992A CN201710459469.5A CN201710459469A CN107178992A CN 107178992 A CN107178992 A CN 107178992A CN 201710459469 A CN201710459469 A CN 201710459469A CN 107178992 A CN107178992 A CN 107178992A
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- airduct
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- 238000001035 drying Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 92
- 238000009826 distribution Methods 0.000 claims abstract description 66
- 230000009471 action Effects 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 13
- 239000002028 Biomass Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000000813 microbial effect Effects 0.000 description 5
- 238000010926 purge Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 239000000428 dust Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
Abstract
The present invention discloses a kind of auxiliary power formula point airduct drying system and its control method.The auxiliary power formula point airduct drying system includes：Wind energy converter, for natural wind to be converted into mechanical rotation energy, the output end with output rotary action power；Air-supply arrangement, is connected to the output end of wind energy converter, and drive rotation by wind energy converter；Divide airduct air-distribution device, be connected to the air-supply end of air-supply arrangement, the air-supply for distributing air-supply arrangement；Auxiliary power unit, is connected to a point airduct air-distribution device, for being blown by electric energy to point airduct air-distribution device.According to auxiliary power formula point airduct drying system and its control method of the present invention, suitable air supply mode can be selected according to natural wind regime, energy consumption is few, and efficient drying can be carried out to material.
Description
Technical field
The present invention relates to biomass power generation dry materials technical field, in particular to a kind of auxiliary power formula point wind
Pipe drying system and its control method.
Background technology
At present, the energy and environmental problem turn into the focus of global concern, and energy shortage problem is long-standing problem mankind society
One of subject matter that can develop.Oil, coal, natural gas are still the main source of fuel at present.
With the increasingly depleted of fossil energy and being on the rise for environmental problem, clean renewable resources have been developed
As urgent problem.In face of this severe form, new alternative energy source is found in mankind's an urgent demand, is that sustainable development is sought
Obtain road.In this context, biomass energy is as the regenerative resource that uniquely can be stored and transport, and it is efficiently changed and can be clean
The advantage utilized, by the common concern of various countries, develops Biomass Energy Resources extremely urgent.
In China, using coal as the Industrial Boiler of main fuel and boiler for domestic, because it is big in social production and life
Amount is used, and not only causes energy waste, and the influence of very severe is caused to environment.According to statistics：China arranges every year
In the pollutant for entering air, 80% CO2,79% dust, 87% SO2,69% NOx derive from the direct burning of coal.
For this situation, in order to improve boiler thermal output and reduce disposal of pollutants, Industrial Boiler and auxiliary products structure are being improved
Meanwhile, the situation of the long-term burning raw coal of Industrial Boiler should be changed simultaneously, developed and promoted biomass molding fuel to be economical and have
The approach of effect.Biomass fuel combustion performance after shaping is greatly improved, and utilization ratio is improved, while being easy to accumulating, is expanded
Big application, and its calorific value worked as with some regional grate furnaces of China with coal facies.Biomass fuel also have volatile matter it is high,
Easy firing, flying dust are few, deslagging is few, carbon dioxide zero-emission, SO2 and NOx emission it is low, reduction heavy metal contaminants discharge, ash
Slag can the excellent environmental protection characteristic such as returning to the field, green energy resource can be referred to as.Biomass molding fuel source is sufficient, economical, is manufactured into
This is cheap, and the raw coal more surging than present price and moulded coal have larger price advantage, beneficial to promoting the use of.Biomass energy is can
The renewable sources of energy, in today of energy worsening shortages, developing biomass energy also has great energy strategy meaning.
However, because biomass moisture itself is big, calorific value is low, volatile matter is high, heat endurance is poor, the low characteristic of burning-point, its
Influence of the middle moisture to its property is more protruded, and typically enters the water content of stove biomass 45% or so, when directly burning,
Ignition temperature can be reduced, increases flue gas loss, boiler thermal output is reduced, increases operation cost.
In the prior art in order to reduce energy consumption, material is blown come blower using the natural wind energy,
But be due to the unstability of natural wind, gentle breeze or it is calm when, air blower air output can be caused not enough, it is impossible to enter to material
Row is fully dried, and reduces the drying effect of material.
The content of the invention
A kind of auxiliary power formula point airduct drying system and its control method are provided in the embodiment of the present invention, can be according to certainly
Right wind regime selects suitable air supply mode, and energy consumption is few, and can carry out efficient drying to material.
To achieve the above object, the embodiment of the present invention provides a kind of auxiliary power formula point airduct drying system, including：Wind energy
Conversion equipment, for natural wind to be converted into mechanical rotation energy, the output end with output rotary action power；Air-supply arrangement, even
The output end of wind energy converter is connected to, and rotation is driven by wind energy converter；Divide airduct air-distribution device, be connected to air-supply dress
The air-supply end put, the air-supply for distributing air-supply arrangement；Auxiliary power unit, is connected to a point airduct air-distribution device, for passing through
Electric energy is blown to point airduct air-distribution device.
Preferably, wind energy converter includes wind blade, and air-supply arrangement includes air blast blower fan, wind blade drive connection
To air blast blower fan, and air blast blower fan is driven to rotate.
Preferably, connected between wind blade and air blast blower fan by gearbox, gearbox is used to improve air blast blower fan
Rotating speed.
Preferably, the rotating shaft of wind blade is vertically arranged, and the rotating shaft of air blast blower fan is vertically arranged；Or, turn of wind blade
Axle is horizontally disposed with, and the rotating shaft of air blast blower fan is horizontally disposed with；Or, the rotating shaft of wind blade is vertically arranged, the rotating shaft water of air blast blower fan
It is flat to set；Or, the rotating shaft of wind blade is horizontally disposed with, the rotating shaft of air blast blower fan is vertically arranged.
Preferably, auxiliary power unit includes electric power blast apparatus, and electric power blast apparatus is connected to a point airduct air-distribution device
One end away from wind energy converter.
Preferably, it is provided with contrary wind valve on the air pipeline between air-supply arrangement and point airduct air-distribution device.
Preferably, divide the position of airduct air-distribution device in the horizontal direction adjustable.
Preferably, divide airduct air-distribution device include air intake house steward and first point of wind branch pipe, first point of wind branch pipe be connected into
The first venthole is provided with wind house steward, first point of wind branch pipe.
Preferably, airduct air-distribution device is divided also to include the end point wind branch pipe for being arranged on air-supply end, end point wind branch pipe
Along radially extending for first point of wind branch pipe, and wind branch pipe is axially disposed for end point multiple ventholes of venthole second.
Preferably, each end point wind branch pipe around own torque rotatably arranged with.
According to another aspect of the present invention there is provided a kind of control method of auxiliary power formula point airduct drying system, bag
Include：Air quantity in detection point airduct air-distribution device；When detecting the air quantity in point airduct air-distribution device less than default air quantity, open
Dynamic auxiliary power set, auxiliary air-supply is carried out to point airduct air-distribution device；When detecting, the air quantity in point airduct air-distribution device is big
When default air quantity, stop auxiliary power unit.
Preferably, the control method of auxiliary power formula point airduct drying system also includes：Detect the defeated of wind energy converter
Go out rotating speed；When the output speed of wind energy converter is less than preset value, disconnect between air-supply arrangement and point airduct air-distribution device
Connection.
According to another aspect of the present invention there is provided a kind of control method of auxiliary power formula point airduct drying system, bag
Include：Detect temperature in stacking material；When temperature is greater than or equal to preset temperature in material, start auxiliary power unit to a point wind
Pipe air-distribution device carries out auxiliary air-supply；When temperature is less than preset temperature in material, stops auxiliary power unit, only pass through wind energy
Conversion equipment drives air-supply arrangement to blow a point airduct air-distribution device.
Apply the technical scheme of the present invention, auxiliary power formula point airduct drying system includes：Wind energy converter, for inciting somebody to action
Natural wind is converted to mechanical rotation energy, the output end with output rotary action power；Air-supply arrangement, is connected to wind energy converter
Output end, and by wind energy converter drive rotate；Divide airduct air-distribution device, be connected to the air-supply end of air-supply arrangement, be used for
Distribute the air-supply of air-supply arrangement；Auxiliary power unit, is connected to a point airduct air-distribution device, for by electric energy to a point airduct cloth wind
Device is blown.The auxiliary power formula point airduct drying system operationally, can be selected according to the air-supply situation of wind energy converter
Suitable air supply mode is selected, when natural wind energy is sufficient, can select to close auxiliary power unit, only be carried out by natural wind
Air-supply, saves the energy, when natural wind energy is not enough to fully meet air-supply demand, can open auxiliary power unit so that
Wind energy converter and auxiliary power unit are together blown, while auxiliary power unit energy loss is saved, it is ensured that
Sufficient air quantity；When natural wind energy is relatively low, the air quantity transmission of wind energy converter can be now closed, it is only dynamic by auxiliary
Power apparatus is blown, it is ensured that sufficient air-supply air quantity, while avoiding the air-supply of auxiliary power unit at wind energy converter
Spill, improve air-supply efficiency.The air supply mode of auxiliary power formula point airduct drying system can be flexibly selected through the above way,
Energy consumption and air-supply air quantity requirement can be taken into account, energy supply is flexibly allocated, energy utilization rate is improved, dry materials effect is improved
Rate and drying effect, so as to reduce microbial activities, reduce the consumption of carbon source.
Brief description of the drawings
Fig. 1 is the structural representation of the end point wind branch pipe of point airduct air-distribution device of the embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of the end point wind branch pipe of point airduct air-distribution device of the embodiment of the present invention；
Fig. 3 is the structural representation of point airduct air-distribution device of one embodiment of the invention；
Fig. 4 is the structural representation of point airduct air-distribution device of another embodiment of the present invention；
Fig. 5 is the structural representation of the auxiliary power formula point airduct drying system of the embodiment of the present invention；
Fig. 6 is the structural representation of the auxiliary power formula point airduct drying system of another embodiment of the present invention；
Fig. 7 is the control flow chart of the auxiliary power formula point airduct drying system of the embodiment of the present invention.
Description of reference numerals：1st, air intake house steward；2nd, first point of wind branch pipe；3rd, the first venthole；4th, end point wind branch pipe；5、
Second venthole；6th, control valve；7th, wind blade；8th, air blast blower fan；9th, gearbox；10th, electric power blast apparatus；11st, contrary wind valve.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
With reference to shown in referring to Fig. 1 to Fig. 6, embodiments in accordance with the present invention, auxiliary power formula point airduct drying system includes：
Wind energy converter, for natural wind to be converted into mechanical rotation energy, the output end with output rotary action power；Air-supply dress
Put, be connected to the output end of wind energy converter, and rotation is driven by wind energy converter；Divide airduct air-distribution device, be connected to
The air-supply end of air-supply arrangement, the air-supply for distributing air-supply arrangement；Auxiliary power unit, is connected to a point airduct air-distribution device, uses
Blown in by electric energy to point airduct air-distribution device.
The auxiliary power formula point airduct drying system operationally, can be selected according to the air-supply situation of wind energy converter
Suitable air supply mode, when natural wind energy is sufficient, can select to close auxiliary power unit, only be sent by natural wind
Wind, saves the energy, when natural wind energy is not enough to fully meet air-supply demand, can open auxiliary power unit so that wind
Energy conversion equipment and auxiliary power unit are together blown, while auxiliary power unit energy loss is saved, it is ensured that fill
The air quantity of foot；When natural wind energy is relatively low, the air quantity transmission of wind energy converter can be now closed, only passes through auxiliary power
Device is blown, it is ensured that sufficient air-supply air quantity, while avoiding the air-supply of auxiliary power unit from being leaked at wind energy converter
Go out, improve air-supply efficiency.The air supply mode of auxiliary power formula point airduct drying system can be flexibly selected through the above way, can
To take into account energy consumption and air-supply air quantity requirement, energy supply is flexibly allocated, energy utilization rate is improved, dry materials efficiency is improved
And drying effect, so as to reduce microbial activities, reduce the consumption of carbon source.
Preferably, wind energy converter includes wind blade 7, and air-supply arrangement includes air blast blower fan 8, and wind blade 7 is driven
Air blast blower fan 8 is connected to, and drives air blast blower fan 8 to rotate.Wind blade 7 is blade of wind-driven generator, can be preferably by certainly
Right wind energy is converted into the mechanical energy rotated, improves energy conversion efficiency so that wind blade 7 can preferably drive air blast blower fan
8 air blast, the air energy of abundance is provided for dry materials.The air blast blower fan is, for example, cfentrifugal blower either axial flow blower,
During using different air blast blower fans, the rotating shaft of wind blade 7 is corresponding to the rotating shaft fit system of air blast blower fan 8 have been adjusted.
Preferably, connected between wind blade 7 and air blast blower fan 8 by gearbox 9, gearbox 9 is used to improve air blast wind
The rotating speed of machine 8.In general, the radius of wind blade 7 is larger, correspondingly, rotating speed is also relatively slow, if keep wind blade 7 with
The rotating speed of air blast blower fan 8 is identical, then the rotating speed of air blast blower fan 8 can be caused relatively low, and air-supply wind-force is smaller, and air quantity is smaller.Gearbox 9
The rotation ratio between wind blade 7 and air blast blower fan 8 can be adjusted, the rotation wind speed of air blast blower fan 8 is improved, so as to realize
The compressed air with certain blast can be produced under gentle breeze, material is transported to, the purging to material and drying is realized.Become
Fast case 9 is, for example, speed-changing gear box, or other stepless speed regulations.Air blast blower fan 8 herein can also use axle stream
Blower fan etc. is replaced.
Preferably, the radius of gyration of wind blade 7 can pass through more than or equal to 2 times of the radius of gyration of air blast blower fan 8
The radius of gyration of larger wind blade 7 provides enough rotational energies so that wind blade 7 can more efficiently drive drum
Wind blower fan 8 rotates that there is provided enough kinetic energy.
Preferably, the rotating shaft of wind blade 7 is vertically arranged, and the rotating shaft of air blast blower fan 8 is vertically arranged；Or, wind blade 7
Rotating shaft is horizontally disposed with, and the rotating shaft of air blast blower fan 8 is horizontally disposed with；Or, the rotating shaft of wind blade 7 is vertically arranged, turn of air blast blower fan 8
Axle is horizontally disposed with；Or, the rotating shaft of wind blade 7 is horizontally disposed with, the rotating shaft of air blast blower fan 8 is vertically arranged.Above-mentioned various modes
The wind energy suffered by wind blade 7 successfully can be converted into mechanical rotation energy, realize preferable energy conversion, it is ensured that right
The air handling capacity of material.When the rotating shaft of wind blade 7 is vertical with the rotating shaft of air blast blower fan 8, typically pass through cone
Transferring kinetic energy is realized in gear drive.
Preferably, auxiliary power unit includes electric power blast apparatus 10, and electric power blast apparatus 10 is connected to a point airduct cloth wind
The one end of device away from wind energy converter.The electric power blast apparatus 10 is, for example, electric power air blower, it is therefore preferable to centrifugal drum
Blower fan.Electric power blast apparatus 10 can utilize driven by power blast apparatus when natural wind is gentle breeze or windless condition
Air blast is carried out, so as to ensure that there is enough air quantity in point airduct air-distribution device, the internally dry needs of material are met.
Preferably, contrary wind valve 11 is provided with the air pipeline between air-supply arrangement and point airduct air-distribution device, works as auxiliary
After power set operation, if the wind speed of auxiliary power unit is more than the wind speed of air-supply arrangement, occurs air and changed to wind energy
During the phenomenon that device pours in down a chimney, contrary wind valve 11 will disconnect the air pipeline between air-supply arrangement and point airduct air-distribution device, so that
Prevent the air-supply of auxiliary power unit from being leaked out at wind energy converter, improve air-supply efficiency.In auxiliary power unit and a point wind
Contrary wind valve 11 can also be set on the air pipeline between pipe air-distribution device, so that the wind speed in auxiliary power unit is less than air-supply
The wind speed of device, prevents air from pouring in down a chimney to auxiliary power unit, improves air-supply efficiency.
Electric power blast apparatus 10 can also be connected to point airduct air-distribution device close to one end of wind energy converter, specifically may be used
To be configured according to actual situation.
Preferably, wind apparatus includes air intake house steward 1 and first point of wind branch pipe 2, and first point of wind branch pipe 2 is connected to air intake house steward
1, the first venthole 3 is provided with first point of wind branch pipe 2.
When material is dried, it can be stretched into by air intake house steward 1 and first point of wind branch pipe 2 inside material, will be outer
Boundary's air is sent to inside material, so that air can be contacted inside material with material so that material and air
Between have and more fully contact, air can be made more quickly and easily to take away the water in material in flow process
Point, material is dried, the purging of effective penetrability is realized, while can also quickly be taken away by entering the air in material
Internal high temperature produced by solid accumulation, it is to avoid material spontaneous combustion, improves dry materials efficiency, and improve the safety of material storage
Property.
Preferably, multiple first point of wind branch pipe 2 are connected in parallel on air intake house steward 1, can admit air into air intake total
After pipe 1, quickly each first point of wind branch pipe 2 can be assigned to by average mark, so that air can be quick through first point of wind branch pipe 2
Reach inside material everywhere, material various places inside is radiated and dried, improve drying efficiency.It is of course also possible to only
The air that air intake house steward 1 is transmitted is sent to inside material using first point of wind branch pipe 2.
Preferably, first point of wind branch pipe 2 is radially connected on air intake house steward 1, and end is additionally provided with each first point of wind branch pipe 2
The second venthole 5 is provided with end point wind branch pipe 4, end point wind branch pipe 4.In general, air enters after air intake house steward 1,
It is allocated by first point of wind branch pipe 2, is merely able to along on first point of place path of wind branch pipe 2 carry out air distribution, is limited
In the quantity and arrangement mode of first point of wind branch pipe 2, when material region is larger, first point of subregion wind branch pipe 2 is had
Air-supply can not reach, drying and radiating of the influence air to material, it is therefore desirable to proceed on first point of wind branch pipe 2 point
Wind, so as to expand flow of air so that air can more fully reach the regional in material, is carried out with material
More fully contact, improve the drying efficiency and radiating efficiency of material.End point wind branch pipe 4 can along with first point of wind
The direction that the bearing of trend of branch pipe 2 is different extends, so that the place for being difficult to reach in first point of wind branch pipe 2, can also pass through end
End point wind branch pipe 4 is blown, and is expanded the blowing range and air supplying distance of point airduct air-distribution device, is easily facilitated and realize in material
The region-wide air-supply in portion.
Preferably, the caliber of first point of wind branch pipe 2 is less than the caliber of air intake house steward 1, and the caliber of end point wind branch pipe 4 is less than
The caliber of first point of wind branch pipe 2.Because the quantity of first point of wind branch pipe 2 is more than the quantity of air intake house steward 1, end point wind branch pipe 4
Quantity of the quantity more than first point of wind branch pipe 2, therefore, in order to ensure that air is assigned to after each branch pipe, still with enough
Blast and wind speed, more efficiently material can be dried, it is necessary to ensure that air enters first point from air intake house steward 1
During wind branch pipe 2, blast will not significantly reduce, and the caliber of first point of wind branch pipe 2 is set smaller than to the caliber of air intake house steward 1, end
The caliber of end point wind branch pipe 4 is set smaller than the caliber of first point of wind branch pipe 2, it becomes possible to conveniently realize this purpose.It is preferred that
Ground, the total cross-sectional area of all first point of wind branch pipes 2 is equal to the total cross-sectional area of air intake house steward 1, all ends point wind branch pipe 4
Total cross-sectional area is equal to the total cross-sectional area of first point of wind branch pipe 2 so that air in the assignment procedure, blast and wind speed all without
There is great fluctuation process, and improved the flow efficiency of air, and improved the uniformity of air distribution and the stability of flow velocity.
Preferably, on each first point of wind branch pipe 2 along its length on be arranged at intervals with multiple ends point wind branch pipe 4,
Each end point radially extending along first point of wind branch pipe 2 where it of wind branch pipe 4.Wind branch pipe 4 is divided along each first in multiple ends
The length direction of wind branch pipe 2 is divided to be arranged at intervals, it is possible to ensure that air is more uniformly distributed to each end point wind branch pipe 4,
The space for enabling to end to be divided to wind branch pipe 4 to be more efficiently delivered to air between two connected first point of wind branch pipes 2,
The heat exchange efficiency of air and material is improved, drying efficiency of the air to material is improved.
Certainly, end point can also set a number of other branch pipes between wind branch pipe 4 and first point of wind branch pipe 2, so as to enter one
Blowing range of the step increase air in material, it is ensured that drying effect of the air to material.
Preferably, multiple first ventholes 3 are provided with first point of wind branch pipe 2, the first venthole 3 is along first point of wind branch pipe
2 peripheral distribution；And/or, multiple second ventholes 5 are provided with first point of wind branch pipe 2, the second venthole 5 divides wind along end
The peripheral distribution of branch pipe 4.The first venthole 3 on first point of wind branch pipe 2 can only divide the company of realization between wind branch pipe 4 end
Connect, can also realize that the region passed through to first point of wind branch pipe 2 is conveyed while connection between the wind branch pipe 4 of end point
Air.Because the first venthole 3 is in the peripheral distribution of first point of wind branch pipe 2, therefore it can be blown along the circumference of first point of wind branch pipe 2
Wind, while these first ventholes 3 are also along the axially extending of first point of wind branch pipe 2 so that the first venthole 3 spread all over it is whole
The surface of individual first point of wind branch pipe 2, forms the air-out of more area, and the cloth demeanour for further improving air-distribution device is enclosed.Herein
Set-up mode of two ventholes 5 on the wind branch pipe 4 of end point is similar, and effect is also similar.Certainly, the second venthole 5 is in end point
Set-up mode on wind branch pipe 4 can also use other modes, such as arrange only in the axial direction not circumferentially.
Preferably, multiple first ventholes 3 are provided with first point of wind branch pipe 2, multiple first ventholes 3 are along gas stream
Dynamic direction aperture gradually increases；And/or, it is provided with multiple second ventholes 5, multiple second ventholes 5 on the wind branch pipe 4 of end point
Gradually increase along gas flow direction aperture.During general operation, point airduct top blast is larger, and bottom blast is smaller, each point
Venthole on airduct gradually increases along gas flow direction, it is possible to ensure each point of airduct along its length direction at each
The air output of position is consistent substantially, so as to ensure the uniformity of dry materials.
Preferably, multiple first ventholes 3 are provided with first point of wind branch pipe 2, multiple first ventholes 3 are along gas stream
Dynamic direction pitch of holes is gradually reduced；And/or, it is provided with multiple second ventholes 5, multiple second outlets on the wind branch pipe 4 of end point
Hole 5 is gradually reduced along gas flow direction pitch of holes.In the case of consistent in the aperture of the first venthole 3, pitch of holes is gradually
Reduce, it is possible to so that hole density gradually increases along air-flow direction, so that in the case where blast is gradually reduced,
Still can substantially it be consistent in the air output on whole first point of wind branch pipe 2, it is ensured that the uniformity of dry materials.Equally
, it is consistent in the aperture of the second venthole 5 in the case of, pitch of holes is gradually reduced, it is possible to so that hole density is along air stream
Dynamic direction gradually increases, so that in the case where blast is gradually reduced, still can be on the wind branch pipe 4 of whole end point
Air output is consistent substantially, it is ensured that the uniformity of dry materials.
Preferably, multiple first ventholes 3 are provided with first point of wind branch pipe 2, first point of wind branch pipe 2 divides along its length
For multiple air-out regions, the aperture of the first venthole 3 in air-out region is identical, along air-flow direction, each air-out
The aperture of the first venthole 3 in region gradually increases；And/or, multiple second ventholes 5 are provided with the wind branch pipe 4 of end point,
End point wind branch pipe 4 is divided into multiple air-out regions along its length, the aperture phase of the second venthole 5 in air-out region
Together, along air-flow direction, the aperture of the second venthole 5 in each air-out region gradually increases.
Because the air-out area in each air-out region is matched with the air-out region present position, therefore ensure that
The air output in each air-out region is kept substantially unanimously, still can effectively ensure the uniformity of dry materials.
Preferably, the porch of at least one first point of wind branch pipe 2 is provided with control valve 6.For material, due to it
Packed structures of various pieces etc. are simultaneously differed, therefore do not ensure that the humidity and temperature of each position inside material are uniformly divided
Cloth, this is accomplished by that air quantity is adjusted according to temperature and humidity actual inside material, so that the temperature inside material
Degree control is more accurate, and humidity regulation is more efficient.By the openings of sizes or switch that control control valve 6, it is possible to effectively
The air force on first point of wind branch pipe 2 at the place of control valve 6 is controlled, so as to more need to entering each first point of wind
The air quantity of branch pipe 2 is adjusted so that the allocation of the amount of air of air-distribution device is more reasonable, so that ensure that dry materials are better,
Radiating effect is more preferable.
Preferably, air intake house steward 1 is vertically arranged, and vertically spaced horizontal is set multiple first point of wind branch pipe 2, and first
Wind branch pipe 2 is divided to be set along the setting direction spaced horizontal of air intake house steward 1, so as to be layered along the thickness direction of material to thing
Material is blown so that each layer of material can be exchanged heat with air, improves the drying efficiency of material.
Preferably, air intake house steward 1 is horizontally disposed with, and multiple first point of wind branch pipe 2 are vertically arranged, and first point of wind branch pipe 2 can be with
By the air-supply of air intake house steward 1 vertically to material delivered inside, so as to be sent along the thickness direction of material to material
Wind so that each layer of material can be exchanged heat with air, improves the drying efficiency of material.
Preferably, air intake house steward 1 is horizontally disposed with, and multiple first point of wind branch pipe 2 are horizontally spaced horizontally disposed, so that
First point of wind branch pipe 2 can be made to be distributed along the horizontal direction of material so that first point of wind branch pipe 2 can be along material
Entirely spread out area to be blown, improve blowing range.It is of course also possible to air intake house steward 1 is horizontally disposed, multiple first point of wind branch
Pipe 2 is vertically arranged.
Preferably, end point wind branch pipe 4 is horizontally disposed with；Or, end point wind branch pipe 4 is vertically arranged.When end point wind branch pipe 4
When horizontally disposed, if first point of wind branch pipe 2 is also horizontally disposed with, air can be made abundant with material from whole horizontal direction
Contact.When end point wind branch pipe 4 is horizontally disposed with, if first point of wind branch pipe 2 is vertically arranged, first point of wind branch can be passed through
Pipe 2 allows air to reach multilayer dose, by end point wind branch pipe 4 air is reached at each layer material position
At each position in horizontal direction, it can be formed and more fully contacted with each layer of material, drying effect more preferably, dries effect
Rate is higher.
Preferably, end point wind branch pipe 4 around itself axially rotatably arranged with.Due to having between the wind branch pipe 4 of each end point
Certain interval, during drying, to guarantee that fully material is dried, end point wind branch pipe 4 is dried
Can suitably it be rotated in journey, to avoid partial material from not being purged to.
Preferably, the inner circumferential of first point of wind branch pipe 2 and/or periphery, which are provided with, prevents material from entering from the first venthole 3
Material retaining net in one point of wind branch pipe 2；And/or, end, which divides the inner circumferential of wind branch pipe 4 and/or periphery to be provided with, prevents material from second
The material retaining net that venthole 5 enters in the wind branch pipe 4 of end point.
Material retaining net can form effective guarantor to the pipeline of first point of wind branch pipe 2 and the end point grade of wind branch pipe 4 embedment material
Shield, during material is dried, it is possible to prevente effectively from material enters duct, blocks venthole, causes equipment to be run
It is not smooth.
Preferably, divide the position of airduct air-distribution device in the horizontal direction adjustable, specifically, point airduct air-distribution device edge is more
The cloth set direction position of individual first point of wind branch pipe 2 is adjustable.In drying system running, due to the cloth of first point of wind branch pipe 2
If spacing is larger, therefore the region having partly between two adjacent first point of wind branch pipes 2 can not be accessed sufficiently
Dry, therefore, it can in drying system running, control point cloth of the airduct air-distribution device along multiple first point of wind branch pipe 2
Set direction position adjustment so that adjacent before two can be adjusted to by being divided to the position of first point of wind branch pipe 2 of airduct air-distribution device
Region between individual first point of wind branch pipe 2, is purged to middle material, the purging of material maximum area is realized with this, is protected
Hinder dry materials uniformity, and drying efficiency maximization.
With reference to shown in Figure 7, embodiments in accordance with the present invention, the control method of auxiliary power formula point airduct drying system
Including：Air quantity in detection point airduct air-distribution device；When detecting the air quantity in point airduct air-distribution device less than default air quantity,
Start auxiliary power unit, auxiliary air-supply is carried out to point airduct air-distribution device；When detecting the air quantity in point airduct air-distribution device
During more than or equal to default air quantity, stop auxiliary power unit.
Auxiliary power solution, is the increase forced circulation power-equipment on main pipeline, and such as air blower will now disappear
The certain electric energy of consumption, when long-time is calm, starts accessory fan, interval purging is carried out to material, so as to reduce microorganism work
The dynamic, consumption of carbon source.
According to the air quantity in point airduct air-distribution device, the air-supply of auxiliary power formula point airduct drying system can be flexibly selected
Mode, can take into account energy consumption and air-supply air quantity requirement, flexibly allocate energy supply, improve energy utilization rate, improve material
Drying efficiency and drying effect, so as to reduce microbial activities, reduce the consumption of carbon source.
The control method of auxiliary power formula point airduct drying system also includes：Detect the output speed of wind energy converter；
When the output speed of wind energy converter is less than preset value, the connection between air-supply arrangement and point airduct air-distribution device is disconnected.
When long-time is calm, it is necessary to shield the air-supply arrangement of wind-force blower fan driving, then start electric power blast apparatus, it is right
Cloth wind main line carries out defeated wind, by air distribution mechanism, wind is uniformly arranged in material, material is purged.This be by
Certain pressure will be produced after electric power blast apparatus in starting, if do not shielded, it will have the loss of Partial shrinkage air, cause energy
Source is wasted.
, now can be according to certain work because blast apparatus consumes certain electric energy, it is therefore desirable to increase its operating efficiency
Make method, reduction unit dries consumed electric energy, longtime running when such as noon on daytime temperature is higher, relative humidity is relatively low, evening
Temporary having a rest property operation, so as to avoid steam from can not excessively excluding, causes microbial activities bright when upper temperature is relatively low, relative humidity is larger
It is aobvious, a large amount of carbon sources are consumed, material calorific value is reduced.
Embodiments in accordance with the present invention, the control method of auxiliary power formula point airduct drying system includes：Detect stacking target
Temperature in material；When temperature is greater than or equal to preset temperature in material, starts auxiliary power unit and a point airduct air-distribution device is entered
Row auxiliary air-supply；When temperature is less than preset temperature in material, stops auxiliary power unit, only driven by wind energy converter
Air-supply arrangement is blown to a point airduct air-distribution device.
In the present embodiment, directly it is adjusted according to the temperature in material come the operation conditions to auxiliary power unit,
So as to when avoiding that temperature is too high in material, the problem of carbon consumption is excessive caused by microbial activities is very active, it is ensured that dry
Dry effect.
Technical scheme has advantages below：
1st, relative to the pure solution being dried using natural wind, the auxiliary power drying proposal scope of application is more
Extensively, it can preferably reduce because being influenceed caused by ambient wind velocity change, the drying effect of material be effectively ensured, and then ensure life
Produce the operation of safety economy.
2nd, can be by control method in running, effective regulation air quantity and the method for operation are saving power consumption
While, it is ensured that the effective operation dried.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of auxiliary power formula point airduct drying system, it is characterised in that including：
Wind energy converter, for natural wind to be converted into mechanical rotation energy, the output end with output rotary action power；
Air-supply arrangement, is connected to the output end of the wind energy converter, and drive rotation by the wind energy converter；
Divide airduct air-distribution device, be connected to the air-supply end of the air-supply arrangement, the air-supply for distributing air-supply arrangement；
Auxiliary power unit, is connected to described point of airduct air-distribution device, for being sent by electric energy to described point of airduct air-distribution device
Wind.
2. auxiliary power formula according to claim 1 point airduct drying system, it is characterised in that the wind energy converter
Including wind blade (7), the air-supply arrangement includes air blast blower fan (8), wind blade (7) drive connection to the air blast
Blower fan (8), and drive the air blast blower fan (8) to rotate.
3. auxiliary power formula according to claim 2 point airduct drying system, it is characterised in that the wind blade (7)
It is connected between the air blast blower fan (8) by gearbox (9), the gearbox (9) is used to improve the air blast blower fan (8)
Rotating speed.
4. auxiliary power formula according to claim 2 point airduct drying system, it is characterised in that the wind blade (7)
Rotating shaft be vertically arranged, the rotating shaft of the air blast blower fan (8) is vertically arranged；Or, the rotating shaft level of the wind blade (7) is set
Put, the rotating shaft of the air blast blower fan (8) is horizontally disposed with；Or, the rotating shaft of wind blade (7) is vertically arranged, the air blast blower fan (8)
Rotating shaft be horizontally disposed with；Or, the rotating shaft of wind blade (7) is horizontally disposed with, the rotating shaft of the air blast blower fan (8) is vertically arranged.
5. auxiliary power formula according to claim 1 point airduct drying system, it is characterised in that the auxiliary power unit
Including electric power blast apparatus (10), the electric power blast apparatus (10) is connected to described point of airduct air-distribution device away from the wind energy
One end of conversion equipment.
6. auxiliary power formula according to claim 1 point airduct drying system, it is characterised in that the air-supply arrangement and institute
State and contrary wind valve (11) is provided with the air pipeline between point airduct air-distribution device.
7. auxiliary power formula according to any one of claim 1 to 6 point airduct drying system, it is characterised in that described
Divide the position of airduct air-distribution device in the horizontal direction adjustable.
8. auxiliary power formula according to any one of claim 1 to 6 point airduct drying system, it is characterised in that described
Airduct air-distribution device is divided to include air intake house steward (1) and first point of wind branch pipe (2), first point of wind branch pipe (2) is connected to described
The first venthole (3) is provided with air intake house steward (1), first point of wind branch pipe (2).
9. auxiliary power formula according to claim 8 point airduct drying system, it is characterised in that described point of airduct cloth wind dress
Putting also includes the end point wind branch pipe (4) for being arranged on air-supply end, and wind branch pipe (4) is divided along first point of wind branch in the end
Pipe (2) is radially extended, and wind branch pipe (4) is axially disposed for the end point multiple ventholes of venthole second (5).
10. auxiliary power formula according to claim 9 point airduct drying system, it is characterised in that each end point wind
Branch pipe (4) around own torque rotatably arranged with.
11. a kind of control method of auxiliary power formula point airduct drying system, it is characterised in that including：
Air quantity in detection point airduct air-distribution device；
When detecting the air quantity in point airduct air-distribution device less than default air quantity, start auxiliary power unit, to a point airduct cloth
Wind apparatus carries out auxiliary air-supply；
When detecting the air quantity in point airduct air-distribution device more than or equal to default air quantity, stop auxiliary power unit.
12. the control method of auxiliary power formula according to claim 11 point airduct drying system, it is characterised in that also wrap
Include：
Detect the output speed of wind energy converter；
When the output speed of wind energy converter is less than preset value, the company between air-supply arrangement and point airduct air-distribution device is disconnected
Connect.
13. a kind of control method of auxiliary power formula point airduct drying system, it is characterised in that including：
Detect temperature in stacking material；
When temperature is greater than or equal to preset temperature in material, starts auxiliary power unit and a point airduct air-distribution device is aided in
Air-supply；
When temperature is less than preset temperature in material, stop auxiliary power unit, only pass through wind energy converter driving air-supply dress
Put and a point airduct air-distribution device is blown.
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| CN201710459469.5A CN107178992A (en) | 2017-06-16 | 2017-06-16 | Auxiliary power formula point airduct drying system and its control method |
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| CN201710459469.5A CN107178992A (en) | 2017-06-16 | 2017-06-16 | Auxiliary power formula point airduct drying system and its control method |
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