CN107120956A - Lossless electric-type exhausting drying system and its control method - Google Patents
Lossless electric-type exhausting drying system and its control method Download PDFInfo
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- CN107120956A CN107120956A CN201710457866.9A CN201710457866A CN107120956A CN 107120956 A CN107120956 A CN 107120956A CN 201710457866 A CN201710457866 A CN 201710457866A CN 107120956 A CN107120956 A CN 107120956A
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- point
- wind
- branch pipe
- wind branch
- air
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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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention discloses a kind of lossless electric-type exhausting drying system and its control method.The lossless electric-type exhausting drying system includes：Wind energy acquisition device, including the wind blade device (7) that can be rotated under natural wind effect, the wind blade device includes rotating shaft and the more than two rotational structures being arranged in the rotating shaft, and the rotating shaft can be rotated with the rotation of the rotational structure；Extractor fan, including can Rotational Absorption extraneous air and the blower fan (8) that is pressurizeed to it, it is connected on one end of the rotating shaft of the wind blade device, can be driven and is rotated by the wind blade device；Point airduct air-distribution device, is connected to the exhausting end of the extractor fan, for distribute extractor fan suction and flow through wind, so that material to be dried.According to the lossless electric-type exhausting drying system of the present invention, energy consumption is few, and biomass can be dried, and improves biomass combustion efficiency and heat endurance.
Description
Technical field
It is dry in particular to a kind of lossless electric-type exhausting the present invention relates to biomass power generation dry materials technical field
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.
Prior art is to realize drying by sealing the traditional means such as material, excavator stirring, can be consumed during sealing material
Then need to put into substantial amounts of manpower and materials during a large amount of carbon sources, reduction biomass calorific value, stirring, and effect is unsatisfactory, throws
Enter output ratio serious unbalance；Drying process is slow, and energy-output ratio is big and drying efficiency is low, and material stock is more, to a certain degree
For upper, production unit is in the urgent need to inexpensive, efficient biomass fuel drying system, to reduce its production cost, improves
Operation benefits.
The content of the invention
A kind of lossless electric-type exhausting drying system and its control method are provided in the embodiment of the present invention, energy consumption is few, can
So that biomass to be dried, biomass combustion efficiency and heat endurance are improved.
To achieve the above object, the present invention provides a kind of lossless electric-type exhausting drying system, including：Wind energy acquisition device,
Including the wind blade device that can be rotated under natural wind effect, the wind blade device includes rotating shaft and is arranged on described turn
The rotational structure of more than three on axle, the rotating shaft can be rotated with the rotation of the rotational structure；
Extractor fan, including can Rotational Absorption extraneous air and the blower fan that is pressurizeed to it, it is connected to the rotation
On one end of the rotating shaft of rotation structure, rotation can be driven by the rotational structure；
Divide airduct air-distribution device, be connected to the exhausting end of the extractor fan, flowed through for distributing extractor fan suction
Wind, so that material to be dried.
Preferably, the rotational structure includes the air duct set along rotating shaft axial directional distribution, and more than three connections
It is arranged circumferentially to stablize the strip blade of the air duct, the air duct and the bar shaped leaf in the rotating shaft and along rotating shaft
Piece can absorb wind energy and rotate, and the air duct drives the axis of rotation.
Preferably, gearbox is also associated between wind blade device and blower fan, gearbox is used for the rotating speed for improving blower fan.
Preferably, the wind blade device also includes wind-force output shaft, and is provided with fixation on the wind-force output shaft
Flange, is provided with the bearing for supporting the wind-force output shaft in the mounting flange, and the gearbox also includes speed change
Case input shaft, is connected between the transmission input shaft and the wind-force output shaft by shaft coupling.
Preferably, the gearbox also includes more than two output shaft of gear-box, the freedom of the transmission input shaft
End is connected with input angular wheel, the free end of the output shaft of gear-box and is connected with output angular wheel, the input taper
Gear is meshed with the output angular wheel so that the axis of the transmission input shaft and the output shaft of gear-box mutually hangs down
Directly.
Preferably, the rotating shaft of wind blade device is vertically arranged, and the rotating shaft of blower fan is vertically arranged；Or, wind blade device
Rotating shaft be horizontally disposed with, the rotating shaft of blower fan is horizontally disposed with；Or, the rotating shaft of the wind blade device is horizontally disposed with, the blower fan
Rotating shaft be vertically arranged；Or, the rotating shaft of the wind blade device is vertically arranged, the rotating shaft of the blower fan is horizontally disposed with.
Preferably, described point of airduct air-distribution device includes air intake house steward and is connected in parallel multiple on the air intake house steward
It is provided with the venthole of venthole first on first point of wind branch pipe, first point of wind branch pipe, each first point of wind branch pipe enters
Wind end is provided with the control valve for controlling first point of wind branch pipe air quantity.
Preferably, divide the position of airduct air-distribution device in the horizontal direction adjustable.
Preferably, divide cloth set direction position of the airduct air-distribution device along multiple first point of wind branch pipe adjustable.
Preferably, airduct air-distribution device is divided also to include the end point wind branch pipe for being arranged on exhausting 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.
Preferably, the inner circumferential of first point of wind branch pipe and/or periphery, which are provided with, prevents material from entering first from the first venthole
The material retaining net divided in wind branch pipe；And/or, end, which divides the inner circumferential of wind branch pipe and/or periphery to be provided with, prevents material from the second outlet
The material retaining net that hole enters in the wind branch pipe of end point.
Preferably, the position of described point of airduct air-distribution device in the horizontal direction is adjustable, or, described point of airduct air-distribution device edge
The cloth set direction position of multiple first point of wind branch pipe is adjustable.
According to another aspect of the present invention there is provided a kind of control method of lossless electric-type exhausting drying system, before use
The lossless electric-type exhausting drying system stated, material is dried processing.
Preferably, when including first point of wind branch pipe：Detect the air quantity of each first point of wind branch pipe region；Work as inspection
When the air quantity for measuring one or more first point of wind branch pipe regions is less than default air quantity, this one or more first points are increased
Control valve opening on wind branch pipe；Or, reduce the control valve opening of other first point of wind branch pipe or close other first point of wind branch
The control valve of pipe；Or, one or more first point of wind are increased while reducing the control valve opening of other first point of wind branch pipe
Control valve opening on branch pipe.
Preferably, the control method of lossless electric-type exhausting drying system also includes：When detecting each first point of wind branch pipe institute
When the air quantity in region is more than or equal to default air quantity, the temperature of each first point of wind branch pipe region is detected；When detecting one
When the temperature of individual or multiple first point of wind branch pipe regions is more than preset temperature, one or more first point of wind branch pipe are increased
On control valve opening；Or, reduce the control valve opening of other first point of wind branch pipe or close the control of other first point of wind branch pipe
Valve processed；Or, increased while reducing the control valve opening of other first point of wind branch pipe on one or more first point of wind branch pipe
Control valve opening.
Preferably, the control method of lossless electric-type exhausting drying system also includes：Detect drying system run time；When dry
When drying system run time reaches preset time, control point arragement direction of the airduct air-distribution device along first point of wind branch pipe is moved
Pre-determined distance.
Preferably, the control method of lossless electric-type exhausting drying system also includes：Detect drying system run time；When dry
When drying system run time reaches preset time, control end point wind branch pipe rotates predetermined angle around own torque.
Preferably, the control method of lossless electric-type exhausting drying system also includes：When including the air intake house steward：Detection
Air quantity in air intake house steward；When detecting the air quantity in air intake house steward less than default air quantity, first point of wind of Part I is opened
Control valve on branch pipe, the control valve closed on first point of wind branch pipe of other parts, and run the t1 times；Open Part II the
Control valve on one point of wind branch pipe, the control valve closed on Part II first point of wind branch pipe of outer other parts, and when running t2
Between, wherein first point of wind branch pipe of first point of wind branch pipe of Part I and Part II is different；First point of wind of each several part is controlled successively
Control valve on branch pipe；After the control valve on all first point of wind branch pipes is opened once, first point of all wind are opened
Control valve on branch pipe, carries out low wind speed drying.
Apply the technical scheme of the present invention, lossless electric-type exhausting drying system includes：Wind energy acquisition device, including can be certainly
The right lower wind blade device rotated of wind effect, the wind blade device includes rotating shaft and two be arranged in the rotating shaft
Rotational structure above, the rotating shaft can be rotated with the rotation of the rotational structure；Extractor fan, including can rotate
Extraneous air and the blower fan pressurizeed to it are absorbed, it is connected on one end of the rotating shaft of the wind blade device, energy quilt
The wind blade device driving rotation；Divide airduct air-distribution device, be connected to the exhausting end of the extractor fan, taken out for distributing
Wind that wind apparatus is aspirated and flowed through, so that material to be dried.The drying system is during whole material purging is dried, directly
Connect and convert wind energy into mechanical rotation energy, air is then converted into by the air with certain pressure by mechanical rotation active force
Can, material is flowed through by the suction of air, the drying of material is realized, during entirely drying, any electric power is not consumed, only
Using natural wind energy, energy consumption is few, environmental protection and energy saving, can to material carry out efficient drying, improve biomass combustion efficiency and
Heat endurance.
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 lossless electric-type exhausting drying system of the embodiment of the present invention；
Fig. 6 is the control flow chart of the lossless electric-type exhausting drying system of the embodiment of the present invention.
Fig. 7 is the structural representation of the wind blade device of the lossless electric-type air-supply drying system of the embodiment of the present invention；
Fig. 8 is that the wind blade device of the lossless electric-type air-supply drying system of the embodiment of the present invention is connected position with gearbox
The preferred structure schematic diagram put.
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 device；71st, rotating shaft；72nd, air duct；73rd, strip blade；74th, lightning rod；75、
Wind energy conversion system output shaft；8th, blower fan；9th, gearbox；91st, transmission input shaft；92nd, output shaft of gear-box；10th, mounting flange；11、
Bearing；12nd, shaft coupling.
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. 5, embodiments in accordance with the present invention, lossless electric-type exhausting drying system includes：Wind energy
Acquisition device, including the wind blade device that can be rotated under natural wind effect, the wind blade device include rotating shaft and company
The more than two rotational structures being arranged in the rotating shaft are connect, the rotating shaft can turn with the rotation of the rotational structure
It is dynamic；
Extractor fan, including can Rotational Absorption extraneous air and it is pressurizeed blower fan (be preferably axle stream wind
Machine), it is connected on one end of the rotating shaft of the wind blade device, can drive rotation by the wind blade device；
Divide airduct air-distribution device, be connected to the exhausting end of the extractor fan, flowed through for distributing extractor fan suction
Wind, so that material to be dried.
The drying system directly converts wind energy into mechanical rotation energy, then during whole material purging is dried
Air is converted into by the air energy with certain pressure by mechanical rotation active force, it is real by the material that is pumped through of air
The drying of existing material, during entirely drying, any electric power is not consumed, natural wind energy is only utilized, energy consumption is few, environmental protection section
Can, efficient drying can be carried out to material, improve biomass combustion efficiency and heat endurance.
Preferably, the rotational structure includes the air duct 72 set along rotating shaft axial directional distribution, and more than three connect
It is connected in the rotating shaft 72 and is arranged circumferentially along rotating shaft to stablize the strip blade 73 of the air duct 72, the He of air duct 72
The strip blade 73 can absorb wind energy and rotate, and the air duct 72 drives the axis of rotation.By air duct by wind-force band
Dynamic rotation and collect and obtain wind energy (air duct is preferably two S-shaped air ducts, and two S-shaped air ducts differ 90 degree along rotating shaft direction of rotation
Ground is set so that air duct can absorb all the time obtains wind energy), the effect of strip blade, which is mainly, prevents air duct is driven by wind from revolving
Shaken etc. during turning unstable action, it is more tended towards stability.
Preferably, gearbox 9 is also associated between wind blade device 7 and blower fan 8, gearbox 9 is used to improve blower fan 8
Rotating speed.In general, the radius of wind blade device 7 is larger, correspondingly, rotating speed is also relatively slow, if keeping wind blade device 7
It is identical with the rotating speed of blower fan 8, then the rotating speed of blower fan 8 can be caused relatively low, exhausting wind-force is smaller, and air quantity is smaller.Gearbox 9 can be adjusted
Rotation ratio between power of rectifying the incorrect style of work blading 7 and blower fan 8, improves the rotation wind speed of whirlpool blower fan 8, so as to realize under gentle breeze i.e.
The compressed air with certain blast can be produced, material is transported to, the purging to material and drying is realized.Gearbox 9
Such as it is speed-changing gear box, or other stepless speed regulations.Blower fan 8 herein can also be preferred to use axial flow blower or
Turbofan.
Preferably, the wind blade device 7 also includes wind-force output shaft 75, and is provided with the wind-force output shaft 75
Mounting flange 10, is provided with the bearing 11 for supporting the wind-force output shaft 75, the speed change in the mounting flange 10
Case 9 also includes transmission input shaft 91, and shaft coupling 12 is passed through between the transmission input shaft 91 and the wind-force output shaft 75
Connection.This is the concrete structure and connected mode between the wind blade device and gearbox of the present invention, and bearing is arranged at solid
Determine to be supported to the formation of wind-force output shaft inside flange, mounting flange is used to be connected to casing or on the ground with to wind by support again
The formation supporting of power blading.
Preferably, the gearbox 9 also includes more than two output shaft of gear-box 92, the transmission input shaft 91
Free end is connected with input angular wheel, the free end of the output shaft of gear-box 92 and is connected with output angular wheel, described defeated
Enter angular wheel to be meshed with the output angular wheel so that the transmission input shaft 91 and the output shaft of gear-box 92
Axis perpendicular.This is the preferred constructive form of the gearbox of the present invention, can by more than two output shaft of gear-box
More than two axle power are exported, such as mutually being hung down with transmission input shaft axis towards a left side and towards right both direction shown in Fig. 8
Straight output shaft of gear-box.
Preferably, the rotating shaft of wind blade device 7 is vertically arranged, and the rotating shaft of blower fan 8 is vertically arranged；Or, wind blade dress
The rotating shaft for putting 7 is horizontally disposed with, and the rotating shaft of blower fan 8 is horizontally disposed with；It is described or, the rotating shaft of the wind blade device 7 is horizontally disposed with
The rotating shaft of blower fan 8 is vertically arranged；Or, the rotating shaft of the wind blade device 7 is vertically arranged, the rotating shaft level of the blower fan 8 is set
Put.Wind energy suffered by wind blade device 7 successfully can be converted to mechanical rotation energy by above-mentioned various modes, be realized
Preferable energy conversion, it is ensured that to the air handling capacity of material.For the rotating shaft and the rotating shaft of blower fan 8 of wind blade device 7
Vertical situation, typically realizes transferring kinetic energy by Bevel Gear Transmission.
Preferably, described point of airduct air-distribution device includes air intake house steward 1 and is connected in parallel many on the air intake house steward 1
The first venthole of venthole 3, each first point of wind branch pipe are provided with individual first point of wind branch pipe 2, first point of wind branch pipe 2
2 air intake is provided with the control valve 6 for controlling first point of air quantity of wind branch pipe 2.
Preferably, extractor fan includes air intake house steward 1 and first point of wind branch pipe 2, and it is total that first point of wind branch pipe 2 is connected to air intake
The first venthole 3 is provided with pipe 1, 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
Exhausting 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 carries out exhausting, expands the exhausting scope and exhausting distance of point airduct air-distribution device, easily facilitates and realize in material
The region-wide exhausting 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
Exhausting scope 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 carries out exhausting 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 exhausting of air intake house steward 1 vertically to material delivered inside, so as to be taken out 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
The whole area that spreads out carries out exhausting, improves exhausting scope.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 6, embodiments in accordance with the present invention, the control method bag of lossless electric-type exhausting drying system
Include：Detect the air quantity of each first point of wind branch pipe 2 region；When detecting one or more first point of wind branch pipe 2 regions
Air quantity when being less than default air quantity, increase the aperture of control valve 6 on one or more first point of wind branch pipe 2；Or, reduce other
The aperture of control valve 6 of first point of wind branch pipe 2 or the control valve 6 for closing other first point of wind branch pipe 2；Or, reduce other first point
The aperture of control valve 6 on one or more first point of wind branch pipe 2 is increased while 6 aperture of control valve of wind branch pipe 2.
, can be according to the air quantity situation inside material to distributing to the wind of each first point of wind branch pipe 2 by the above method
Amount is adjusted, so that the allocation of the amount of air inside material is more uniform, can carry out efficient drying to material inside, improve
Dry materials effect.
The control method of lossless electric-type exhausting drying system also includes：When detecting each first point of wind branch pipe 2 region
Air quantity when being more than or equal to default air quantity, detect the temperature of each first point of wind branch pipe 2 region；When detecting one or many
When the temperature of individual first point of wind branch pipe 2 region is more than preset temperature, increase on one or more first point of wind branch pipe 2
The aperture of control valve 6；Or, reduce the aperture of control valve 6 of other first point of wind branch pipe 2 or close the control of other first point of wind branch pipe 2
Valve 6 processed；Or, one or more first point of wind branch pipe are increased while reducing 6 aperture of control valve of other first point of wind branch pipe 2
The aperture of control valve 6 on 2.
It is all higher than or during equal to default air quantity when detecting air quantity everywhere, then needs to control the temperature inside material
System, prevents internal batch temperature from drastically overheating and loss is caused to material.By detecting the temperature of material various places inside, Ke Yifang
Just material air quantity is adjusted so that the higher local air quantity of internal batch temperature is larger, so that temperature herein is fast
Speed is taken out of by air, is formed preferably radiating and is dried.
The control method of lossless electric-type exhausting drying system also includes：Detect drying system run time；Work as drying system
When run time reaches preset time, control point arragement direction of the airduct air-distribution device along first point of wind branch pipe 2 moves default
Distance.In drying system running, because the laying spacing of first point of wind branch pipe 2 is larger, therefore part is had positioned at phase
Region between two adjacent first point of wind branch pipes 2 can not access sufficient drying, therefore, it can run in drying system
Cheng Zhong, control point cloth set direction position adjustment of the airduct air-distribution device along multiple first point of wind branch pipe 2 so that point airduct cloth wind dress
Region between the two first point of wind branch pipes 2 adjacent before being adjusted to of the position for the first point of wind branch pipe 2 put, to centre
Material purged, realize the purging of material maximum area with this, ensure the uniformity of dry materials, and drying efficiency is most
Bigization.
Specifically, can be according to drying time, in drying time when carrying out the Bit andits control of point airduct air-distribution device
When more than half or drying time reaches preset time, airduct air-distribution device will be divided to adjust to former two first point of adjacent wind branch pipe 2
Between the two away from midpoint, middle material is purged, the purging of material maximum area is realized with this, guarantee dry materials
Uniformity, and drying efficiency maximization.
Same can also will be divided to airduct air-distribution device to be moved to original two adjacent first in the 1/3 dry period
Point wind branch pipe 2 between the two away from 1/3 at, when 2/3 period, will be divided to airduct air-distribution device to be moved to former two adjacent first point
Wind branch pipe 2 between the two away from 2/3 at, can so realize, during drying, make material each point can be blown by hot blast
Effect, and can slightly be adjusted on the time so that the drying of material it is more uniform rationally.
The control method of lossless electric-type exhausting drying system also includes：Detect drying system run time；Work as drying system
When run time reaches preset time, control end point wind branch pipe 4 rotates predetermined angle around own torque.Due to each end point wind
There is certain interval between branch pipe 4, during drying, to guarantee that fully material is dried, end point wind branch
Pipe 4 can suitably be rotated in the drying process, to avoid partial material from not being purged to.
Embodiments in accordance with the present invention, the control method of lossless electric-type exhausting drying system includes：Detect in air intake house steward 1
Air quantity；When detecting the air quantity in air intake house steward 1 less than default air quantity, open on first point of wind branch pipe 2 of Part I
Control valve, the control valve closed on first point of wind branch pipe 2 of other parts, and run the t1 times；Open first point of wind of Part II
Control valve on branch pipe 2, the control valve closed on Part II first point of wind branch pipe 2 of outer other parts, and the t2 times are run, its
Middle first point of wind branch pipe 2 of Part I is different from first point of wind branch pipe 2 of Part II；First point of wind branch pipe of each several part is controlled successively
Control valve on 2；After the control valve on all first point of wind branch pipes 2 is opened once, first point of all wind branch are opened
Control valve on pipe 2, carries out low wind speed drying.
Due to being to utilize environmental natural wind, during purging, it may appear that the problem of air quantity is suddenly big or suddenly small, air quantity is too small
The purging of effective penetrability can not be realized, it is impossible to the effective moisture taken out of in time in bed material, when long-time air quantity is too small, such as
Fruit sends into the bed of material all through many wind-distributing pipe roads and dried, then can bring above-mentioned phenomenon, to avoid the generation of above-mentioned phenomenon,
Increase corresponding control device on each point of supervisor, increase corresponding detection module inside pipeline, when detect air quantity it is long when
Between it is too small when, the operating method of local air-valves is opened by closing or turning down most of air-valves, material is purged, can
Air quantity is effectively adjusted, it is ensured that to the drying effect inside material.For example, in the present embodiment, be originally located in it is middle and
The valve of control valve 6 on first point of wind branch pipe 2 of bottom is closed, the valve of the control valve 6 on first point of wind branch pipe 2 on top
Open, Wind Volume was purged after a period of time, the valve of the control valve 6 on first point of wind branch pipe 2 on top is closed, middle first
The valve of control valve 6 on the valve opening for the control valve 6 divided on wind branch pipe 2, first point of wind branch pipe 2 of bottom still keeps closing
Closed state；After same purging is finished, top, the valve of control valve 6 on first point of middle wind branch pipe 2 are closed, bottom
The valve opening of control valve 6 on first point of wind branch pipe 2, after Wind Volume purges a period of time, first point of wind of three parts
Valve wide open on branch pipe 2, carries out low wind speed drying.
Using the such scheme of the present invention, with advantages below：
1st, only need to put into nonrecurring cost, and input cost is not high, and power, energy-conserving and environment-protective need not be consumed in running：
2nd, microbial activities is reduced, carbon source consumption is reduced, calorific value is improved indirectly；
3rd, moisture in Free water in evaporation biomass, reduction biomass, reduces the moisture for entering burner hearth, so as to improve fuel
Calorific value, improves boiler combustion efficiency；
4th, in purge, a part of ash content, native slag are blown out, so as to avoid enter into boiler, reduce to boiler water wall,
The abrasion of the parts such as heat exchanger, economizer, air preheater；
5th, in burner hearth moisture reduction, reduce back-end ductwork low-temperature corrosion；
6th, the overall efficiency in power plant is improved；
7th, the consumption of fuel is reduced to a certain extent, reduces the expenditure of cash flow, reduction enterprise operation burden.
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 (17)
1. a kind of lossless electric-type exhausting drying system, it is characterised in that including：
Wind energy acquisition device, including the wind blade device (7) that can be rotated under natural wind effect, the wind blade device bag
Include rotating shaft and connect the more than two rotational structures being arranged in the rotating shaft, the rotating shaft can be with the rotational structure
Rotation and rotate；
Extractor fan, including can Rotational Absorption extraneous air and the blower fan (8) that is pressurizeed to it, it is connected to the wind-force
On one end of the rotating shaft of blading, rotation can be driven by the wind blade device；
Point airduct air-distribution device, is connected to the exhausting end of the extractor fan, for distribute extractor fan suction and flow through wind,
So that material to be dried.
2. lossless electric-type air-supply drying system according to claim 1, it is characterised in that the rotational structure includes edge and turned
Axle axial directional distribution set air duct (72), and more than three be connected to it is in the rotating shaft (72) and circumferentially uniform along rotating shaft
Arrange that the air duct (72) and the strip blade (73) can absorb wind to stablize the strip blade (73) of the air duct (72)
Can and rotates, the air duct (72) the driving axis of rotation.
3. the lossless electric-type exhausting drying system according to one of claim 1-2, it is characterised in that the wind blade dress
Put and gearbox (9) is also associated between (7) and the blower fan (8), the gearbox (9) is used to improve turning for the blower fan (8)
Speed.
4. lossless electric-type air-supply drying system according to claim 3, it is characterised in that the wind blade device (7)
Also include wind-force output shaft (75), and mounting flange (10) is provided with the wind-force output shaft (75), in the mounting flange
(10) bearing (11) for supporting the wind-force output shaft (75) is provided with, it is defeated that the gearbox (9) also includes gearbox
Enter axle (91), be connected between the transmission input shaft (91) and the wind-force output shaft (75) by shaft coupling (12).
5. lossless electric-type air-supply drying system according to claim 4, it is characterised in that the gearbox (9) also includes
More than two output shaft of gear-box (92), the free end of the transmission input shaft (91) is connected with input angular wheel, institute
The free end for stating output shaft of gear-box (92) is connected with output angular wheel, the input angular wheel and the output conical tooth
Wheel is meshed so that the transmission input shaft (91) and the axis perpendicular of the output shaft of gear-box (92).
6. lossless electric-type exhausting drying system according to claim 1, it is characterised in that the wind blade device (7)
Rotating shaft be vertically arranged, the rotating shaft of the blower fan (8) is vertically arranged；Or, the rotating shaft level of the wind blade device (7) is set
Put, the rotating shaft of the blower fan (8) is horizontally disposed with；Or, the rotating shaft of the wind blade device (7) is horizontally disposed with, the blower fan (8)
Rotating shaft be vertically arranged；Or, the rotating shaft of the wind blade device (7) is vertically arranged, the rotating shaft level of the blower fan (8) is set
Put.
7. lossless electric-type exhausting drying system according to any one of claim 1 to 6, it is characterised in that described point of wind
Pipe air-distribution device includes air intake house steward (1) and the multiple first point of wind branch pipe (2) being connected in parallel on the air intake house steward (1),
The venthole of venthole first (3), the air intake of each first point of wind branch pipe (2) are provided with first point of wind branch pipe (2)
It is provided with the control valve (6) for controlling first point of wind branch pipe (2) air quantity.
8. lossless electric-type exhausting drying system according to claim 7, it is characterised in that described point of airduct air-distribution device is also
End point wind branch pipe (4) including being arranged on exhausting end, wind branch pipe (4) is divided along first point of wind branch pipe in the end
(2) radially extend, and wind branch pipe (4) is axially disposed for the end point multiple ventholes of venthole second (5).
9. lossless electric-type exhausting drying system according to claim 8, it is characterised in that each end point wind branch pipe
(4) around own torque rotatably arranged with.
10. the lossless electric-type exhausting drying system according to one of claim 8-9, it is characterised in that first point of wind branch pipe
(2) inner circumferential and/or periphery is provided with the material retaining net for preventing that material from entering in first point of wind branch pipe (2) from the first venthole (3)；
And/or, end, which divides the inner circumferential of wind branch pipe (4) and/or periphery to be provided with, prevents material from entering end point wind from the second venthole (5)
Material retaining net in branch pipe (4).
11. the lossless electric-type exhausting drying system according to one of claim 8-10, it is characterised in that described point of airduct cloth
The position of wind apparatus in the horizontal direction is adjustable, or, cloth of the described point of airduct air-distribution device along multiple first point of wind branch pipe (2)
Set direction position is adjustable.
12. a kind of control method of lossless electric-type exhausting drying system, it is characterised in that usage right is required described in one of 1-11
Lossless electric-type exhausting drying system, material is dried processing.
13. the control method of lossless electric-type exhausting drying system according to claim 12, it is characterised in that when including institute
When stating first point of wind branch pipe：
Detect the air quantity of each first point of wind branch pipe (2) region；
When the air quantity for detecting one or more first point of wind branch pipe (2) regions is less than default air quantity,
Increase control valve (6) aperture on one or more first point of wind branch pipe (2)；
Or, reduce control valve (6) aperture of other first point of wind branch pipe (2) or close the control of other first point of wind branch pipe (2)
Valve (6)；
Or, one or more first point of wind branch are increased while reducing control valve (6) aperture of other first point of wind branch pipe (2)
Manage control valve (6) aperture on (2).
14. the control method of lossless electric-type exhausting drying system according to claim 12, it is characterised in that also include：
When the air quantity for detecting each first point of wind branch pipe (2) region is more than or equal to default air quantity, each first point is detected
The temperature of wind branch pipe (2) region,；
When the temperature for detecting one or more first point of wind branch pipe (2) regions is more than preset temperature,
Increase control valve (6) aperture on one or more first point of wind branch pipe (2)；
Or, reduce control valve (6) aperture of other first point of wind branch pipe (2) or close the control of other first point of wind branch pipe (2)
Valve (6)；
Or, one or more first point of wind branch are increased while reducing control valve (6) aperture of other first point of wind branch pipe (2)
Manage control valve (6) aperture on (2).
15. the control method of lossless electric-type exhausting drying system according to claim 12, it is characterised in that also include：
Detect drying system run time；
When drying system run time reaches preset time, control point airduct air-distribution device is along first point of wind branch pipe (2)
Arragement direction moves pre-determined distance.
16. the control method of lossless electric-type exhausting drying system according to claim 12, it is characterised in that also include：
Detect drying system run time；
When drying system run time reaches preset time, control end point wind branch pipe (4) rotates preset angle around own torque
Degree.
17. the control method of lossless electric-type exhausting drying system according to claim 12, it is characterised in that when including institute
When stating air intake house steward：
Detect the air quantity in air intake house steward (1)；
When detecting the air quantity in air intake house steward (1) less than default air quantity,
The control valve on first point of wind branch pipe (2) of Part I is opened, the control closed on first point of wind branch pipe (2) of other parts
Valve, and run the t1 times；
The control valve on first point of wind branch pipe (2) of Part II is opened, Part II first point of wind branch pipe of outer other parts is closed
(2) control valve on, and run t2 times, wherein first point of wind branch pipe (2) of Part I and first point of wind branch pipe of Part II
(2) it is different；
The control valve on first point of wind branch pipe (2) of each several part is controlled successively；
After the control valve on all first point of wind branch pipes (2) is opened once, open on first point of all wind branch pipes (2)
Control valve, carry out low wind speed drying.
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| CN201710457866.9A CN107120956B (en) | 2017-06-16 | 2017-06-16 | Power-consumption-free air draft drying system and control method thereof |
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| CN107677090A (en) * | 2017-10-17 | 2018-02-09 | 佛山市金凯地过滤设备有限公司 | A kind of energy-saving canal drier |
| CN108788043A (en) * | 2018-07-11 | 2018-11-13 | 尚成荣 | A kind of copper rod up-leading conticaster multi-channel energy-saving exhausting system |
| CN109028983A (en) * | 2018-07-11 | 2018-12-18 | 尚成荣 | A kind of copper smelting-furnace exhaust-gas treatment wind pressure automatic regulating system |
| CN110108353A (en) * | 2019-05-15 | 2019-08-09 | 张玲 | A kind of urban environment noise monitoring device based on big data |
| CN111271805A (en) * | 2020-03-26 | 2020-06-12 | 同济大学 | Centralized exhaust system and method |
| CN115435579A (en) * | 2022-09-16 | 2022-12-06 | 鄂尔多斯市中钰泰德煤炭有限公司 | Combined drying process for drying coal |
| CN115523735A (en) * | 2022-09-16 | 2022-12-27 | 中国矿业大学 | Coal material dewatering device and system based on centrifugal dewatering principle |
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| CN109028983A (en) * | 2018-07-11 | 2018-12-18 | 尚成荣 | A kind of copper smelting-furnace exhaust-gas treatment wind pressure automatic regulating system |
| CN110108353A (en) * | 2019-05-15 | 2019-08-09 | 张玲 | A kind of urban environment noise monitoring device based on big data |
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| CN115523735A (en) * | 2022-09-16 | 2022-12-27 | 中国矿业大学 | Coal material dewatering device and system based on centrifugal dewatering principle |
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| Publication number | Publication date |
|---|---|
| CN107120956B (en) | 2023-02-17 |
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