CN109489344A - A kind of biomass drying system based on Photospot solar - Google Patents
A kind of biomass drying system based on Photospot solar Download PDFInfo
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- CN109489344A CN109489344A CN201811089970.8A CN201811089970A CN109489344A CN 109489344 A CN109489344 A CN 109489344A CN 201811089970 A CN201811089970 A CN 201811089970A CN 109489344 A CN109489344 A CN 109489344A
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- drying
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- section pipe
- biomass
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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
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
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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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the attached relevant device technical fields of biomass processes, and disclose a kind of biomass drying system based on Photospot solar, it includes Salar light-gathering unit, segmented drying unit, feeder unit, blowing unit and controlling terminal, and wherein light focusing unit is used to that entire double hose drying unit will to be oriented to after incident solar focusing；The drying unit includes the preheating section pipe and dryer section pipe of coaxial arrangement, and the inside axial direction of the two section of pipe is provided with auger, it is realized from there through auger and the axial direction of material is conveyed, while receiving preheating and drying that the sunlight from light focusing unit completes material.To guarantee system reliability service, also by controlling terminal come so that outlet material degree of drying unification under different intensity of solar radiation.By means of the invention it is possible to make full use of exhaust heat, improve the capacity usage ratio of total system, reduce the energy consumption of drying process, and avoid because uneven heating it is even caused by structural failure.
Description
Technical field
The invention belongs to the attached relevant device technical fields of biomass processes, are based on optically focused too more particularly, to one kind
The biomass drying system of positive energy.
Background technique
The reserves of global fossil energy are constantly reduced, and for the green and sustainable usability for guaranteeing the energy, the whole world is permitted
Multinational family is all greatly developing research new energy use technology.Wherein biomass energy is a highly important portion in new energy
Point.Aqueous primitive organism material is very abundant, and herbal moisture content is generally up to 70%-85%, xylophyta
It then can reach 50%-70%, thus there are wide application prospects.
In existing biomass utilization technologies, dry pretreatment is one of essential important procedure.Through being dried
Biomass afterwards, the storage period is long, Lower heat value is high, combustion stability is good.It is directed at the drying of bio-fuel in the prior art
Reason mode generally includes nature and teds and artificial drying.For artificial drying technology, Hot Air Drying is due to drying process
Mode is simple, and process is easily controllable, thus have certain application advantage, but it there is also drying source, energy consumption is high, heat utilization
The low disadvantage of rate.Naturally ted influenced by weather, drying time is long and uneven drying.
Some Primary Study schemes using solar energy drying biomass have been proposed both at home and abroad at present.However, into one
Step studies have shown that this kind of scheme still has defect or deficiency below: drier is largely limited to the sun first
The sunshine duration and weather condition of energy, using flexible and applicability be not strong；Secondly, when lacking auxiliary device control, it is dry
Indoor temperature is lower, temperature fluctuations are big, can not usually completely remove the irreducible water in biomass；Finally, the existing sun
Energy biomass drier general structure is huge, it is inconvenient to manipulate, and can not better meet drying on demand and increasingly complex and do
The demand of dry index.Correspondingly, this field needs to make further improvement, so as to conform better to modern biotechnology matter it is dry and
The requirements at the higher level efficiently utilized.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of biologies based on Photospot solar
Matter drying system, wherein passing through the specific structure shape to its crucial comprising modules such as drying unit, light focusing unit, monitor terminal etc.
Formula and mutual set-up mode are redesigned, and more actual test shows, it can be ensured that under different intensities of solar radiation
The degree of drying unification of outlet material, and it is also equipped with that continuous drying, energy-efficient, site requirements is low and drying efficiency
And quality it is higher the advantages that；In addition, also being improved by structure arrangement to whole system and real-time monitoring, mutually should be able to effectively mention
The accuracy of high the degree of automation and drying control.
Correspondingly, it is proposed, according to the invention, provide a kind of biomass drying system based on Photospot solar, feature exists
In, the system include Salar light-gathering unit, segmented drying unit, feeder unit, blowing unit and controlling terminal,
In:
The Salar light-gathering unit includes segmentation slot type light condenser field, for being oriented to after incident solar focusing
The entire segmented drying unit of side is positioned adjacent to be heated；
The segmented drying unit includes the preheating section pipe and dryer section pipe of coaxial arrangement, and along the two section pipes
Inside axial direction be provided with auger；Wherein for the preheating section pipe, the hopper holding phase of it and the feeder unit
Even, after and importing biomass material to be dried via the hopper, along in the preheating section pipe under the action of auger
Portion conveys material, while receiving the solar energy from the Salar light-gathering unit to execute the preheating of material；For the drying
Section Guan Eryan, its integral outer add vacuum heat-resistant tube, and fitting is installed on described pre- outside the arrival end of the dryer section pipe
On hot arc pipe, its outlet end is connected with the blower of blowing unit and opens up discharge port thus in the auger in tube wall lower end
The material after preheating is continued to be fed forward under effect, and while receiving the adverse current air-supply from the blower, is also received
Solar energy from the Salar light-gathering unit is to execute the drying of material；
The controlling terminal and above-mentioned Salar light-gathering unit, segmented drying unit, feeder unit, blowing unit are distinguished
Signal is connected, and carries out real-time monitoring for the related work data to them, accordingly based on the Salar light-gathering unit
Intensity of solar radiation data are come when adjusting the speed of service of the auger, and then controlling the conveying speed and drying of biomass material
Between with ensure material obtain needed for degree of drying.
As it is further preferred that the segmentation slot type light condenser field preferred design be successively coupled by multiple reflecting mirrors and
At, and the sunray of latter mirror reflection is just past previous mirror edge.
As it is further preferred that the preheating section pipe and dryer section pipe are preferably made of stainless steel；The vacuum is resistance to
Heat pipe is preferably vacuum heat-resistant glass tube.
As it is further preferred that the internal diameter of the preheating section pipe is preferably equal with the outer diameter of the dryer section pipe；It is described
Preferably coupled by bellows between dryer section pipe and the vacuum heat-resistant tube, and vacuumized between the two.
As it is further preferred that the controlling terminal is preferably designed for the form of PID, and ether solar radiation intensity
As input signal, the motor speed that auger is connected is as output signal, and entire control system is around motor speed about object
Material drying time establishes function with solar radiation intensity.
As it is further preferred that the control process preferably uses Box-Behnken method and minitab function to carry out
Function solves and modeling.
As it is further preferred that above system can also include storage unit, be used to complete dry after biology
Matter material is collected and is stored.
In general, contemplated above technical scheme is compared with existing various kinds of equipment through the invention, by it
Crucial comprising modules and its specific set-up mode, especially segmented drying mode, counterflow heat exchange method and intelligent monitoring algorithm etc.
Aspect is studied and is designed, and accordingly compared with existing equipment, can make full use of exhaust heat, improves the energy of total system
Measure utilization rate, reduce the energy consumption of drying process, and avoid because uneven heating it is even caused by structural failure, while there is drying
The advantages that time is shorter, drying efficiency is higher, degree of drying is more consistent, while effectively reducing and production site and manipulation are wanted
The requirement of aspect is asked, thus is particularly suitable for all kinds of efficient applied fields for carrying out value added conversion to biomass material using solar energy
It closes.
Detailed description of the invention
Fig. 1 is the overall construction schematic diagram by the biomass drying system constructed by the present invention based on Photospot solar；
Fig. 2 is more specifically to show the cross-sectional view of the structure of segmented drying unit in Fig. 1；
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
Auger -1, hopper -2, preheating section pipe -3, dryer section pipe -4, vacuum heat-resistant tube -5, bellows -6.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 be by the overall construction schematic diagram of the biomass drying system constructed by the present invention based on Photospot solar,
Fig. 2 is more specifically to show the cross-sectional view of the structure of segmented drying unit in Fig. 1.As depicted in figs. 1 and 2, system master
Will be including Salar light-gathering unit, segmented drying unit, feeder unit, blowing unit and controlling terminal etc., it below will be right
It carries out specific explanations explanation one by one.
As shown in Figure 1, Salar light-gathering unit preferably includes segmentation slot type light condenser field, for gathering incident solar energy
Defocused, guiding is positioned adjacent to the entire segmented drying unit of side to be heated；More specifically, can be in plane
Bar shaped parabolic mirror is sequentially placed on frame, so that the sunray of reflection can converge in absorbing pipe effective district.For
Space is utilized to greatest extent, and the sunray of latter mirror reflection is just past previous mirror edge.Plate frame is solid
It is scheduled on tracking device.
As one of key improvements of the invention, segmented drying unit includes preheating section pipe 3 and the drying of coaxial arrangement
Section pipe 4, and the inside axial direction of the two section of pipe is provided with auger 1；Wherein for the preheating section pipe 3, it
It is remained connected to the hopper 2 of the feeder unit, and after importing biomass material to be dried via the hopper, in the auger
Under the action of along the preheating section pipe delivered inside material, while receive the solar energy from the Salar light-gathering unit with
Execute the preheating of material；For the dryer section pipe 4, its integral outer adds vacuum heat-resistant tube 5, the dryer section pipe
Fitting is installed on the preheating section pipe 3 outside arrival end, its outlet end is connected with the blower of blowing unit and under tube wall
End opens up discharge port and thus continues to be fed forward by the material after preheating under the action of the auger, and is receiving from described
While the adverse current air-supply of blower, receive the solar energy from the Salar light-gathering unit also to execute the drying of material.
More specifically, as shown in Figure 2, auger 1, hopper 2, preheating section pipe 3 and dryer section pipe 4 are preferably by stainless steel
It is made.Dryer section pipe 4 can be connect with heat-resistant glass tube 5 by bellows 6, and be vacuumized between the two.4 one end of dryer section pipe connects
It gives a dinner for a visitor from afar and machine and outputs material mouth in advance in tube wall lower end, the other end connects preheating section pipe 3.Hopper 2 can be by reserved on preheating section pipe 3
Hole is connect with the latter.Auger 1 sequentially passes through preheating section pipe 3 and dryer section pipe 4, is connected to motor at 3 end of preheating section pipe.Biomass
Raw material enters preheating section pipe 3 by hopper 2.Auger 1 is driven by a motor rotation and material is pushed to advance, and successively passes through preheating section pipe
3 and dryer section pipe 4 complete drying process, drying unit is finally left by the discharge port of 4 tube wall lower end of dryer section pipe.
For the controlling terminal, it and above-mentioned Salar light-gathering unit, segmented drying unit, feeder unit,
Blowing unit distinguishes signal and is connected, and carries out real-time monitoring for the related work data to them, is accordingly based on the sun
Can the intensity of solar radiation data of light focusing unit adjust the speed of service of the auger, and then control the conveying of biomass material
Speed and drying time are to ensure the degree of drying needed for material obtains.
More specifically, the controlling terminal is preferably the form of PID system, and ether solar radiation intensity is input letter
Number, the motor rotary speed of auger connection is output signal.Entire control system can be around motor rotary speed about drying time and the sun
Light radiation intensity is for example carried out function using minitab software and is asked to construct corresponding function using Box-Behnken method
Solution and model foundation are realized and control the speed of service of auger according to intensity of solar radiation and then regulate and control material travelling speed and drying
Time guarantees that outlet material degree of drying is certain.
To sum up, by the present invention in that providing heat with Photospot solar for drying process, meeting system energy densities need
While asking, the efficiency of whole system can be improved；Using the cooperation of auger and segmented drying unit, material can be not only realized
Transport with it is continuous drying, while can be avoided hot-spot, guarantee system safety operation；In particular, using counterflow heat exchange method with
Two sections of pipe designs, can make full use of exhaust heat, improve the thermal efficiency of system, reduce the energy consumption of drying process, and keep away
Exempted from because uneven heating it is even caused by structural failure.In addition, adjusting rate of drying by using PID control system, it is ensured that outlet
It is identical to locate dry materials degree；Compared with current dry technology, have drying time short, drying efficiency is high, and degree of drying is high
The advantages that, it can satisfy the dry requirement of higher biomass.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of biomass drying system based on Photospot solar, which is characterized in that the system include Salar light-gathering unit,
Double hose drying unit, feeder unit, blowing unit and controlling terminal, in which:
The Salar light-gathering unit includes segmentation slot type light condenser field, for by after incident solar focusing, guiding to be arranged
In the entire segmented drying unit adjacent to side to be heated；
The segmented drying unit includes the preheating section pipe (3) and dryer section pipe (4) of coaxial arrangement, and along the two sections
The inside axial direction of pipe is provided with auger (1)；Wherein for the preheating section pipe (3), the material of it and the feeder unit
Bucket (2) remains connected to, and after importing biomass material to be dried via the hopper, pre- along this under the action of the auger
The delivered inside material of hot arc pipe, while receiving the solar energy from the Salar light-gathering unit to execute the preheating of material；
For the dryer section pipe (4), its integral outer is added vacuum heat-resistant tube (5), outside the arrival end of the dryer section pipe
Fitting is installed on the preheating section pipe (3), its outlet end is connected with the blower of blowing unit and opens up out in tube wall lower end
Thus material after preheating is continued to be fed forward by material mouth under the action of the auger, and receiving from the inverse of the blower
While air supply stream, receive the solar energy from the Salar light-gathering unit also to execute the drying of material；
The controlling terminal and above-mentioned Salar light-gathering unit, segmented drying unit, feeder unit, blowing unit distinguish signal
It is connected, and carry out real-time monitoring for the related work data to them, the sun accordingly based on the Salar light-gathering unit
Radiation intensity data adjusts the speed of service of the auger, so control conveying speed and drying time of biomass material with
Ensure the degree of drying needed for material obtains.
2. biomass drying system as described in claim 1, which is characterized in that the segmentation slot type light condenser field preferred design
Successively to be coupled by multiple reflecting mirrors, and the sunray of latter mirror reflection is just past previous reflecting mirror side
Edge.
3. biomass drying system as claimed in claim 1 or 2, which is characterized in that the internal diameter of the preheating section pipe (3) is preferred
It is equal with the outer diameter of the dryer section pipe (4)；Preferably pass through wave between the dryer section pipe (4) and the vacuum heat-resistant tube (5)
Line pipe (6) connection, and vacuumize between the two.
4. biomass drying system as claimed in any one of claims 1-3, which is characterized in that the controlling terminal is preferably set
It is calculated as the form of PID, and ether solar radiation intensity, as input signal, the motor speed that auger is connected is as output letter
Number, entire control system establishes function about dry materials time and solar radiation intensity around motor speed.
5. biomass drying system as claimed in claim 4, which is characterized in that the control process preferably uses Box-
Behnken method and minitab function carry out function solution and modeling.
6. the biomass drying system as described in claim 1-5 any one, which is characterized in that above system further preferably includes
Storage unit is used to that biomass material of the completion after dry to be collected and be stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089970.8A CN109489344A (en) | 2018-09-18 | 2018-09-18 | A kind of biomass drying system based on Photospot solar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811089970.8A CN109489344A (en) | 2018-09-18 | 2018-09-18 | A kind of biomass drying system based on Photospot solar |
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| Publication Number | Publication Date |
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| CN109489344A true CN109489344A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811089970.8A Pending CN109489344A (en) | 2018-09-18 | 2018-09-18 | A kind of biomass drying system based on Photospot solar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351341A (en) * | 2020-04-04 | 2020-06-30 | 彭正飞 | Solar crop dryer |
| CN115265144A (en) * | 2022-06-30 | 2022-11-01 | 杨蒲义 | Dynamic drying method and equipment for fruits and vegetables |
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|---|---|---|---|---|
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| CN115265144A (en) * | 2022-06-30 | 2022-11-01 | 杨蒲义 | Dynamic drying method and equipment for fruits and vegetables |
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Application publication date: 20190319 |