CN110145901A - A kind of solar-assisted heat pump drying system - Google Patents
A kind of solar-assisted heat pump drying system Download PDFInfo
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- CN110145901A CN110145901A CN201910464641.5A CN201910464641A CN110145901A CN 110145901 A CN110145901 A CN 110145901A CN 201910464641 A CN201910464641 A CN 201910464641A CN 110145901 A CN110145901 A CN 110145901A
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- Prior art keywords
- heat
- dried medium
- heat pipe
- dried
- heat pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention discloses a kind of solar-assisted heat pump drying systems, including hothouse, two-stage compression heat pump system, solar energy evacuated heat collector tube system, two-stage compression heat pump system connect with hothouse and for the thermal energy required when dry to hothouse offer by dried medium, solar energy evacuated heat collector tube system connect with hothouse and for the thermal energy required when dry to hothouse offer by dried medium, solar energy evacuated heat collector tube system also connect with the two-stage compression heat pump system and for the dried medium preheating to enter the two-stage compression heat pump system.Heat pump system of the invention can provide a system to enough thermal energy using two compressor parallel settings；Condenser and secondary condenser are arranged in parallel, and can be realized the multiple-aspect control to dried medium temperature and the heat exchange by secondary condenser and evaporator guarantees the heating efficiency of heat pump system.
Description
Technical field
The invention belongs to technical field of drying, and in particular to a kind of solar-assisted heat pump drying system.
Background technique
Dry main purpose be in order to which the moisture content in material is reduced, reduce because moisture content it is excessively high caused by it is rotten
Phenomenon is lost, the stability of material is improved, reduces material transportation cost etc., to realize the effective use to material.Heat pump drying
System can effectively recycle and utilize the heat of air, therefore use more and more extensive.It is saved with advances in technology with people
The enhancing of energy environmental consciousness, solar-assisted heat pump drying system is by Rapid Popularization and application.Present solar-assisted heat pump
Drying system mainly saves certain energy consumption by solar energy.But existing solar-assisted heat pump drying system structure
Simple and unreasonable, energy utilization rate is low.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of dry system of solar-assisted heat pump is provided
System, heat pump system can provide a system to enough thermal energy using two compressor parallel settings；Condenser and secondary condenser
It is arranged in parallel, can be realized the multiple-aspect control to dried medium temperature and the heat exchange by secondary condenser and evaporator guarantees
The heating efficiency of heat pump system.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of solar-assisted heat pump drying system, it is special
Sign is: including hothouse, two-stage compression heat pump system and solar energy evacuated heat collector tube system, the two-stage compression heat
Pumping system connect with hothouse and for the thermal energy required when dry to hothouse offer by dried medium, and the solar energy is true
Empty heat collector tube system connect with hothouse and for the thermal energy required when dry to hothouse offer by dried medium, described
Solar energy evacuated heat collector tube system also connect with the two-stage compression heat pump system and for being to enter the Two-stage Compression
The dried medium of formula heat pump system preheats；
The two-stage compression heat pump system is cold including the first compressor, the second compressor, condenser, evaporator, auxiliary
Condenser, throttling set, electromagnetism two-way valve and capillary formula heat pipe, the outlet of first compressor and the working media of condenser enter
Mouthful be connected, the working medium exit port of the condenser is connected with the entrance of throttling set, the outlet of the throttling set with
The working medium inlet of evaporator is connected, and the working medium exit port of the evaporator is connected with the entrance of the first compressor,
The outlet of second compressor is connected with the working medium inlet of condenser, the entrance and evaporator of second compressor
Working medium exit port be connected, one end of the electromagnetism two-way valve simultaneously with the outlet of the first compressor and the second compressor
Outlet is connected, and the other end of the electromagnetism two-way valve is connected with the working medium inlet of auxiliary condenser, and the auxiliary is cold
The working medium exit port of condenser is connected with the entrance of throttling set, and the evaporator section setting of the capillary formula heat pipe is condensed in auxiliary
Heat exchange can be carried out in device and with the working media of auxiliary condenser, the condensation segment of the capillary formula heat pipe is arranged in evaporator
Frost that is upper and being condensed in the process for removing evaporator operation, the dried medium outlet of the evaporator and dry Jie of condenser
Matter entrance is connected, and the dried medium outlet of the condenser is connected with the dried medium entrance of hothouse.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the solar energy evacuated heat collector tube system
System includes the 5th dried medium conveying fan and the solar vacuum tube for being heated by absorbing solar energy to dried medium
Energy heat collector, the air inlet phase of the dried medium outlet and the 5th dried medium conveying fan of the vacuum tube solar heating element
Connection, the air outlet of the 5th dried medium conveying fan are connected with the dried medium entrance of hothouse, and the described 5th is dry
The air outlet of dry medium conveying fan is also connected with the two-stage compression heat pump system.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes waste-heat recovery device, and the heat absorbing end of the waste-heat recovery device and the dried medium outlet of hothouse are connected and be used for
Absorb the heat from the dried medium of hothouse dried medium outlet outflow, the release end of heat and the sun of the waste-heat recovery device
Energy vacuum heat-pipe collecting system connects and for preheating to the dried medium for entering solar energy evacuated heat collector tube system, institute
The release end of heat for stating waste-heat recovery device connect with two-stage compression heat pump system and for being to enter the two-stage compression heat pump
The dried medium of system is preheated, and the release end of heat of the waste-heat recovery device connect with hothouse and for passing through dried medium
Required thermal energy when providing dry to hothouse.
Above-mentioned a kind of solar-assisted heat pump drying system, which is characterized in that the waste-heat recovery device includes first
Dried medium conveying fan, the second dried medium conveying fan, gravity type heat pipe waste-heat recoverer, the first three-way solenoid valve and
Two three-way solenoid valves；
The gravity type heat pipe waste-heat recoverer includes gravity assisted heat pipe, heat pipe evaporator section air outlet, heat pipe evaporator section air inlet
Mouth, heat pipe cooling section air outlet, heat pipe cooling section air inlet, heat pipe vaporization chamber and heat pipe condensation chamber, the heat pipe vaporization chamber and
Heat pipe condensation chamber is disposed adjacent by thermal insulation layer, and the evaporator section of the gravity assisted heat pipe is arranged in heat pipe vaporization chamber, the gravity
The condensation segment setting of heat pipe condenses interior in heat pipe, and one end of heat pipe vaporization chamber, institute is arranged in the heat pipe evaporator section air outlet
The other end that heat pipe vaporization chamber is arranged in heat pipe evaporator section air inlet is stated, the heat pipe cooling section air outlet setting is condensed in heat pipe
The other end of heat pipe condensation chamber is arranged in one end of room, the heat pipe cooling section air inlet；
The air outlet of the first dried medium conveying fan is connected with heat pipe cooling section air inlet, and the heat pipe is cooling
Section air outlet be connected with the second port of the first three-way solenoid valve, the first port of first three-way solenoid valve with it is described too
The dried medium entrance of solar energy vacuum heat collector tube system is connected, the third port and the second electromagnetism of first three-way solenoid valve
The first port of triple valve is connected, and the second port of second three-way solenoid valve is connected with the dried medium entrance of condenser
Logical, the third port of second three-way solenoid valve is connected with the dried medium entrance of hothouse.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes the loop-type heat pipe heat-storing device for storing heat, and the loop-type heat pipe heat-storing device setting is cooling in heat pipe
Between section air outlet and the second port of the first three-way solenoid valve；
The loop-type heat pipe heat-storing device includes heat-storing device evaporator, heat-storing device condenser, refrigerant vapour pipe
Road, refrigerant liquid line, the import of heat storage box dried medium, the outlet of heat storage box dried medium, air-introduced machine, pressure fan, heat storage box
Body and phase-change heat-storage material, the phase-change heat-storage material are arranged in heat storage box body and for storing thermal energy, the heat-storing device
Condenser is also disposed in heat storage box body and can carry out with phase-change heat-storage material heat exchange, the heat-storing device evaporator setting
In the outside of heat accumulation cabinet, the lower end of heat accumulation cabinet is arranged in the heat storage box dried medium import, and the heat storage box is dry to be situated between
Matter exports the upper end that heat accumulation cabinet is arranged in, and the air-introduced machine is arranged in heat storage box dried medium import and for that will dry Jie
Matter is blown into heat accumulation cabinet and phase-change heat-storage material and carries out heat exchange, the blower setting it is upper in the outlet of heat storage box dried medium and
For the dried medium after heat exchange to be sent out from heat accumulation cabinet, the heat storage box dried medium outlet and the first three-way solenoid valve
Second port be connected, the working medium exit port of the heat-storing device evaporator passes through refrigerant vapour pipeline and heat-storing device
The working medium inlet of condenser is connected, and the working medium exit port of the heat-storing device condenser passes through refrigerant liquid line
It is connected with the working medium inlet of heat-storing device evaporator, the dried medium entrance and heat pipe cold of the heat-storing device evaporator
But section air outlet is connected, and the dried medium outlet of the heat-storing device evaporator is connected with heat storage box dried medium import.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes third three-way solenoid valve and the 4th dried medium conveying fan, the third port of the third three-way solenoid valve and the
The air inlet of four dried medium conveying fans is connected, the air outlet of the 4th dried medium conveying fan with it is solar energy evacuated
The dried medium import of heat collector tube system is connected, the second port and the first three-way solenoid valve of the third three-way solenoid valve
First port be connected, the first port of the third three-way solenoid valve is connected with dried medium source.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes third dried medium conveying fan, the air outlet and the two-stage compression of the third dried medium conveying fan
Heat pump system connects and carries out heat exchange for dried medium to be transported in the two-stage compression heat pump system, the third
The air intake vent of dried medium conveying fan is connected with dried medium source.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes Temperature Humidity Sensor, and the Temperature Humidity Sensor is arranged in hothouse.
A kind of above-mentioned solar-assisted heat pump drying system, which is characterized in that the dry system of the solar-assisted heat pump
System further includes the 6th dried medium conveying fan and the 7th dried medium conveying fan, and the five dried mediums conveying fan goes out
Air port is connected with the air inlet of the 6th dried medium conveying fan, the air outlet of the 6th dried medium conveying fan and dry
The dried medium entrance of dry room is connected, and the air inlet of the 7th dried medium conveying fan and the dried medium of hothouse go out
Mouth is connected, and the air outlet of the 7th dried medium conveying fan is connected with heat pipe evaporator section air inlet.
Above-mentioned a kind of solar-assisted heat pump drying system, which is characterized in that the hothouse, two-stage compression heat pump
It is connected between system and solar energy evacuated heat collector tube system by heat-insulated connecting pipe, the throttling set is throttle valve.
Compared with the prior art, the present invention has the following advantages:
1, heat pump system of the present invention can provide a system to enough thermal energy using two compressor parallel settings；Condensation
Device and secondary condenser are arranged in parallel, and can be realized to the multiple-aspect control of dried medium temperature and by secondary condenser and evaporator
Heat exchange guarantee heat pump system heating efficiency.
2, it is additionally provided with solar-assisted heat pump drying system in present system, can be realized vacuum pipe solar thermal-arrest
The control of the interactive balance of device and heat pump system promotes the drying efficiency of heat pump system while reducing system energy consumption.
3, the present invention is provided with waste-heat recovery device, can make full use of the damp and hot dried medium being discharged out of hothouse
The latent heat of vaporization reduces the moisture content in the damp and hot dried medium, and dewatered damp and hot dried medium can be recycled, section
Can be environmentally friendly, reduce the influence arranged to environment.
4, loop-type heat pipe heat-storing device of the invention can be used for carrying out recycling storage to the waste heat being discharged out of hothouse
And loop-type heat pipe can be passed through when solar energy evacuated heat collector tube system cannot provide enough energy as preheating energy
The energy of heat-storing device storage compensates, and improves the adaptability of system.
Below by drawings and examples, the present invention is described in further detail.
Detailed description of the invention
Fig. 1 is the theory structure schematic diagram of solar-assisted heat pump joint drying system of the present invention.
Fig. 2 is the structural schematic diagram of gravity type heat pipe waste-heat recoverer of the present invention.
Fig. 3 is the structural schematic diagram of loop-type heat pipe heat-storing device of the present invention.
Description of symbols:
11-21-condensers of vacuum tube solar heating element；
22-throttling sets；23-evaporators；24-the first compressor；
25-the second compressor；26-auxiliary condensers；27-capillary formula heat pipes；
31-gravity type heat pipe waste-heat recoverers；31-1-gravity assisted heat pipe；
31-2-heat pipe evaporator section air outlet；31-3-heat pipe evaporator section air inlet；
31-4-heat pipe cooling section air outlet；31-5-heat pipe cooling section air inlet；
31-6-heat pipe vaporization chamber；31-7-heat pipe condensation chamber；
32-loop-type heat pipe heat-storing devices；32-1-heat-storing device evaporator；
32-2-heat-storing device condenser；32-3-refrigerant vapour pipeline；
32-4-refrigerant liquid line；32-5-heat storage box dried medium import；
32-6-heat storage box dried medium outlet；32-7-air-introduced machine；
32-8-pressure fan；32-9-heat accumulation cabinet；
32-10-phase-change heat-storage material；41-hothouses；
42-Temperature Humidity Sensors；51-the first dried medium conveying fan；
52-the second dried medium conveying fan；53-third dried medium conveying fans；
54-the four dried medium conveying fan；55-the five dried medium conveying fan；
56-the six dried medium conveying fan；57-the seven dried medium conveying fan；
61-the first three-way solenoid valve；62-the second three-way solenoid valve；
63-third three-way solenoid valves；64-electromagnetism two-way valves.
Specific embodiment
A kind of solar-assisted heat pump drying system is provided in the present embodiment, as shown in Figure 1, the solar-assisted heat pump
Drying system, including hothouse 41, two-stage compression heat pump system and solar energy evacuated heat collector tube system, the Two-stage Compression
Formula heat pump system connect with hothouse 41 and for the thermal energy required when dry to the offer of hothouse 41 by dried medium, described
Solar energy evacuated heat collector tube system connect with hothouse 41 and for providing dry when institute to hothouse 41 by dried medium
The thermal energy needed, the solar energy evacuated heat collector tube system connect with two-stage compression heat pump system and for described double to enter
The dried medium of stage compression type heat pump system preheats；
The hothouse 41 was due to mentioning a closed dry place for article to be dried, by changing in hothouse 41
The temperature and humidity of dried medium, can make article to be dried quickly dry out, and achieve the purpose that dry.
The two-stage compression heat pump system includes the first compressor 24, the second compressor 25, condenser 21, evaporator
23, auxiliary condenser 26, throttling set 22, electromagnetism two-way valve 64 and capillary formula heat pipe 27, the outlet of first compressor 24
It is connected with the working medium inlet of condenser 21, the entrance phase of the working medium exit port and throttling set 22 of the condenser 21
Connection, the outlet of the throttling set 22 are connected with the working medium inlet of evaporator 23, and the work of the evaporator 23 is situated between
Matter outlet is connected with the entrance of the first compressor 24, and the outlet of second compressor 25 and the working media of condenser 21 enter
Mouth is connected, and the entrance of second compressor 25 is connected with the working medium exit port of evaporator 23, the electromagnetism two-way valve
64 one end is connected with the outlet of the first compressor 24 and the outlet of the second compressor 25 simultaneously, the electromagnetism two-way valve 64
The other end is connected with the working medium inlet of auxiliary condenser 26, the working medium exit port of the auxiliary condenser 26 and throttling
The entrance of device 22 is connected, and the evaporator section of the capillary formula heat pipe 27 is arranged in auxiliary condenser 26 and can be cold with auxiliary
The working media of condenser 26 carries out heat exchange, and the condensation segment of the capillary formula heat pipe 27 is arranged on evaporator 23 and for removing
The dried medium entrance of the frost condensed in 23 course of work of evaporator, the evaporator 23 is connected with dried medium source, described
For providing required dried medium for drying system, general common dried medium is the sky accepted as unavoidable in environment in dried medium source
Gas, by treated air or inert gas, dried medium is when accepting as unavoidable the air in environment, the evaporator 23 it is dry
Dry medium inlet is directly connected with the external world；When dried medium is by treated air, the dry of the evaporator 23 is situated between
Matter entrance is connected with the gas outlet of air processor；When dried medium is inert gas, the dry of the evaporator 23 is situated between
Matter entrance is connected with the gas outlet of the inert gas caisson.Dried medium outlet and the condenser 21 of the evaporator 23
Dried medium entrance be connected, the outlet of the dried medium of the condenser 21 is connected with the dried medium entrance of hothouse 41
It is logical.
Heat pump system in the present embodiment solar-assisted heat pump drying system, can using two compressor parallel settings
Provide a system to enough thermal energy；Condenser and secondary condenser are arranged in parallel, and can be realized to the multi-faceted of dried medium temperature
Control and the heating efficiency for guaranteeing heat pump system by the heat exchange of secondary condenser and evaporator.
Existing Analysis of Heat Pump Drying System carries out heat exchange merely by condenser and dried medium, is situated between by the way that control is dry
The temperature of matter promotes drying efficiency, and the humidity of dried medium do not controlled or needs to control by increasing equipment,
The present embodiment cools down the dried medium for entering heat pump system from dried medium source by evaporator, so that in dried medium
Moisture pre-cooling condensation discharge.It can remove the partial moisture in dried medium in this way, reduce the humidity of dried medium, provide dry
Dry efficiency.But cooling is used to remove the part humidity in dried medium, the system effectiveness that can make reduces.Therefore, the present embodiment
Partial heat is passed to evaporator 23 by capillary formula heat pipe 27 and can remove 23 work of evaporator by middle use auxiliary condenser 26
The temperature of the frost condensed during making and the dried medium outlet dried medium for improving evaporator 23, guarantees the heating of heat pump system
Efficiency.
As shown in Figure 1, the solar energy evacuated heat collector tube system includes the 5th dried medium conveying fan 55 and is used for
The vacuum tube solar heating element 11 that dried medium is heated by absorbing solar energy, the vacuum tube solar heating element
11 dried medium outlet is connected with the air inlet of the 5th dried medium conveying fan 55, the vacuum tube solar heating element
11 dried medium entrance is connect with dried medium source, the air outlet and hothouse 41 of the 5th dried medium conveying fan 55
Dried medium entrance be connected.
The vacuum tube solar heating element 11 in solar-assisted heat pump drying system in the present embodiment simultaneously with it is dry
The dried medium entrance of dry room 41 is connected with two-stage compression heat pump system, realizes vacuum tube solar heating element 11 and heat pump
The interactive balance of system controls.When sunny, by adjusting the speed of the 5th dried medium conveying fan 55 conveying dried medium
Degree, and then enable the preset value being heated by the dried medium of vacuum tube solar heating element 11, dried medium passes through true
Hothouse 41 is fed directly into after blank pipe solar thermal collector 11.The dried medium of hothouse 41 is admitted to in hothouse 41
To be dried five are dried.When sunlight deficiency, it can not be heated by the dried medium of vacuum tube solar heating element 11 pre-
If value, mixed by the dried medium of vacuum tube solar heating element 11 with the dried medium in heat pump system and again with twin-stage
Compression heat pump system, which carries out heat exchange, makes the temperature of dried medium reach preset value, and temperature reaches the dried medium of preset value most
It is admitted in hothouse 41 eventually.
As shown in Figure 1, the solar-assisted heat pump drying system further includes waste-heat recovery device, the waste heat recycling dress
The dried medium outlet of the heat absorbing end and hothouse 41 set connects and for absorbing from 41 dried medium of hothouse outlet outflow
Heat in dried medium, the release end of heat of the waste-heat recovery device connect with solar energy evacuated heat collector tube system and for pair
Dried medium into solar energy evacuated heat collector tube system is preheated, the release end of heat and twin-stage pressure of the waste-heat recovery device
Contracting formula heat pump system connects and for being preheated for the dried medium into the two-stage compression heat pump system, the waste heat
The release end of heat of recyclable device connect with hothouse 41 and for the heat required when dry to the offer of hothouse 41 by dried medium
Energy.
The heat in dried medium that waste-heat recovery device in the present embodiment can exclude hothouse 41 is recycled again
It utilizes, while can be the humidity reduced in the dried medium, making the dried medium, it can be used repeatedly.Energy conservation and environmental protection reduces
The drying efficiency of system is improved while the energy consumption of system.
As depicted in figs. 1 and 2, the waste-heat recovery device includes dry Jie of the first dried medium conveying fan 51, second
Matter conveying fan 52, gravity type heat pipe waste-heat recoverer 31, the first three-way solenoid valve 61 and the second three-way solenoid valve 62；
The gravity type heat pipe waste-heat recoverer 31 includes gravity assisted heat pipe 31-1, heat pipe evaporator section air outlet 31-2, heat pipe
Evaporator section air inlet 31-3, heat pipe cooling section air outlet 31-4, heat pipe cooling section air inlet 31-5, heat pipe vaporization chamber 31-6 and heat
Pipework condensation room 31-7, the heat pipe vaporization chamber 31-6 and heat pipe condensation chamber 31-7 are disposed adjacent by thermal insulation layer, the gravity heat
The evaporator section of pipe 31-1 is arranged in heat pipe vaporization chamber 31-6, and the condensation segment of the gravity assisted heat pipe 31-1 is arranged in heat pipe condensation chamber
In 31-7, one end of heat pipe vaporization chamber 31-6, the heat pipe evaporator section air inlet is arranged in the heat pipe evaporator section air outlet 31-2
The other end of heat pipe vaporization chamber 31-6 is arranged in mouth 31-3, and the heat pipe cooling section air outlet 31-4 is arranged in heat pipe condensation chamber
The other end of heat pipe condensation chamber 31-7 is arranged in one end of 31-7, the heat pipe cooling section air inlet 31-5；
The air outlet of the first dried medium conveying fan 51 is connected with heat pipe cooling section air inlet 31-5, the heat
Pipe cooling section air outlet 31-4 is connected with the second port of the first three-way solenoid valve 61, and the of first three-way solenoid valve 61
Single port is connected with the dried medium entrance of the solar energy evacuated heat collector tube system, and the of first three-way solenoid valve 61
Three ports are connected with the first port of the second three-way solenoid valve 62, the second port and condensation of second three-way solenoid valve 62
The dried medium entrance of device 21 is connected, and the third port of second three-way solenoid valve 62 and the dried medium of hothouse 41 enter
Mouth is connected.
As shown in figures 1 and 3, the solar-assisted heat pump drying system further includes the loop-type heat for storing heat
Pipe heat-storing device 32, the loop-type heat pipe heat-storing device 32 are arranged in heat pipe cooling section air outlet 31-4 and the first electromagnetic three-way
Between the second port of valve 61；
The loop-type heat pipe heat-storing device 32 includes heat-storing device evaporator 32-1, heat-storing device condenser 32-2, system
Refrigerant vapour pipeline 32-3, refrigerant liquid line 32-4, heat storage box dried medium import 32-5, the outlet of heat storage box dried medium
32-6, air-introduced machine 32-7, pressure fan 32-8, heat accumulation cabinet 32-9 and phase-change heat-storage material 32-10, the phase-change heat-storage material
32-10 is arranged in heat accumulation cabinet 32-9 and for storing thermal energy, and the heat-storing device condenser 32-2 is also disposed at heat storage box
Heat exchange can be carried out in body 32-9 and with phase-change heat-storage material 32-10, the heat-storing device evaporator 32-1 is arranged in heat accumulation
The lower end of heat accumulation cabinet 32-9, the heat storage box is arranged in the outside of cabinet 32-9, the heat storage box dried medium import 32-5
Dried medium outlet 32-6 is arranged in the upper end of heat accumulation cabinet 32-9, the air-introduced machine 32-7 setting heat storage box dried medium into
Heat exchange is carried out on mouth 32-5 and for dried medium to be blown into heat accumulation cabinet 32-9 and phase-change heat-storage material 32-10, it is described to send
Blower 32-8 be arranged on heat storage box dried medium outlet 32-6 and for by the dried medium after heat exchange from heat accumulation cabinet 32-
9 send out, and the second port of the heat storage box dried medium outlet the first three-way solenoid valve of 32-6 61 is connected, the heat-storing device
The working medium exit port of evaporator 32-1 passes through the working media of refrigerant vapour pipeline 32-3 and heat-storing device condenser 32-2
Entrance is connected, and the working medium exit port of the heat-storing device condenser 32-2 is filled by refrigerant liquid line 32-4 and heat accumulation
The working medium inlet for setting evaporator 32-1 is connected, the dried medium entrance and heat pipe cold of the heat-storing device evaporator 32-1
But section air outlet 31-4 is connected, dried medium outlet and the import of heat storage box dried medium of the heat-storing device evaporator 32-1
32-5 is connected.
The present embodiment intermediate ring road formula heat pipe heat-storing device 32 can be used for recycling the waste heat of 41 discharges out of hothouse
It stores and is used as preheating energy.The efficiency of raising system reduces energy consumption.Foot cannot be provided in solar energy evacuated heat collector tube system
When enough energy, it can be compensated by loop-type heat pipe heat-storing device 32, improve the adaptability of system.
As shown in Figure 1, the solar-assisted heat pump drying system further includes that third three-way solenoid valve 63 and the 5th are dry
Medium conveying fan 55, the third port of the third three-way solenoid valve 63 and the air inlet of the 5th dried medium conveying fan 55
Be connected, the dried medium of the air outlet of the 5th dried medium conveying fan 55 and solar energy evacuated heat collector tube system into
Mouth is connected, and the second port of the third three-way solenoid valve 63 is connected with the first port of the first three-way solenoid valve 61, institute
The first port for stating third three-way solenoid valve 63 is connected with dried medium source.
As shown in Figure 1, the solar-assisted heat pump drying system further includes third dried medium conveying fan 53, it is described
The air outlet of third dried medium conveying fan 53 connect with the two-stage compression heat pump system and for dried medium is defeated
It is sent in the two-stage compression heat pump system and carries out heat exchange, the air intake vent of the third dried medium conveying fan 53 and dry
Dry medium source is connected.
As shown in Figure 1, the solar-assisted heat pump drying system further includes Temperature Humidity Sensor 42, the temperature and humidity is passed
Sensor 42 is arranged in hothouse 41.
As shown in Figure 1, the solar-assisted heat pump drying system further includes the 6th dried medium conveying fan 56 and
Seven dried medium conveying fans 57, the air outlet and the 6th dried medium conveying fan 56 of the five dried mediums conveying fan 55
Air inlet be connected, the air outlet of the 6th dried medium conveying fan 56 is connected with the dried medium entrance of hothouse 41
Logical, the air inlet of the 7th dried medium conveying fan 57 is connected with the outlet of the dried medium of hothouse 41, and the described 7th
The air outlet of dried medium conveying fan 57 is connected with heat pipe evaporator section air inlet 31-3.
In the present embodiment, the hothouse 41, two-stage compression heat pump system and solar energy evacuated heat collector tube system it
Between connected by heat-insulated connecting pipe, the throttling set 22 be throttle valve.
The operation principle of the present invention is that:
Fig. 1 is a kind of theory structure schematic diagram of solar-assisted heat pump joint drying system of the invention.Solid line in Fig. 1
Part is that dried medium recycles, and wherein arrow is oriented to flow direction；Dotted line is heat pump working media circulation.
All parts role in system:
Hothouse 41 is used for the drying of material.
Temperature Humidity Sensor 42 will be for that will measure dry indoor temperature and humidity and transmit signals to each solenoid valve and do
Dry medium conveying fan.
Solar energy evacuated heat collector tube system is hot for providing heat required for hothouse and to two-stage compression is entered
The dried medium of pumping system is preheated.
Required energy when two-stage compression heat pump system is for providing the drying of hothouse 41.
Waste-heat recovery device is used to recycle the waste heat from the dried medium that hothouse 41 is discharged.
Loop-type heat pipe heat-storing device 32 is used to carry out the waste heat of 41 discharges out of hothouse recycling storage and be used as pre-
Thermal energy.
First dried medium conveying fan 51 is for conveying dried medium to gravity type heat pipe exhaust-heat absorption device 31.
Second dried medium conveying fan 52 is used for the exhaust gas being discharged in gravity type heat pipe exhaust-heat absorption device 31.
Third dried medium conveying fan 53 gives two-stage compression heat pump system for conveying dried medium.
4th dried medium conveying fan 54 is for conveying dried medium to solar energy evacuated heat collector tube system.
5th dried medium conveying fan 55 is used to convey to be situated between from the dry of the discharge of solar energy evacuated heat collector tube system
Matter.
6th dried medium conveying fan 56 enters to hothouse 41 for conveying dried medium and operation is dried.
7th dried medium conveying fan 57 enters to more than gravity type heat pipe for damp and hot dried medium in hothouse to be discharged
Heat absorption fills device 31.
First three-way solenoid valve 61 is controlled and is stored up from loop-type heat pipe for receiving the signal that Temperature Humidity Sensor is issued
The flow direction of the heated drying medium come out in thermal 32 and uninterrupted.
The uninterrupted that second three-way solenoid valve 62 is used to control the dried medium for flowing into condenser 21 is done with inflow
The uninterrupted of the hot-air of dry room.
The flow that third electromagnetism two-way valve 63 is used to control the dried medium for flowing into solar energy evacuated heat collector tube system is big
It is small.
Electromagnetism two-way valve 64 is used to control the shunting of the working media of the high temperature and pressure come out from double-stage compressor.
System operation mode:
The air intake vent of third dried medium conveying fan 53 is connected with dried medium source, by the drying in dried medium source
Medium is transported in evaporator 23 and carries out heat exchange with the working media in evaporator 23.Dried medium is lost in heat exchanging process
A part of heat is removed, temperature reduces, the discharge of part condensation vapor；The working media gas-liquid shape body swing absorption in heat exchanging process
Heat；Dried medium out of evaporator 23 after heat exchange enters back into condenser 21, carries out with the working media in condenser 21
Heat exchange.Heat is being absorbed with dried medium in 21 working media heat exchanging process of condenser, temperature increases.After temperature increases
Working media is admitted in hothouse 41 in the 6th dried medium conveying fan 56 of process and material is dried.
The working media of two-stage compression heat pump system by the first compressor 24 and 25 rear portion of the second compressor into
Enter condenser 21 and dried medium carries out heat exchange, a part enters auxiliary condenser 26 and capillary formula by electromagnetism two-way valve 64
The evaporator section of heat pipe 27 carries out heat exchange.Working media after heat exchange enters evaporator 23 by throttling set 22 therefore can
To control the flow of the working media into condenser 21 by control electromagnetism two-way valve 64, and then control in hothouse 41
Temperature.
The evaporation ends of capillary formula heat pipe 27 connect auxiliary condenser 26, and condensation end connects evaporator 23, are used for evaporator 23
Defrosting effect.The absorbed heat of auxiliary condenser is discharged in condensation end to evaporator surface by adiabatic section, removes evaporator
The frosting on surface.
Gravity type heat pipe exhaust-heat absorption device 31 is used to absorb the heat from the wet dried medium of heat that hothouse 41 ejects
Amount.Damp and hot dried medium from hothouse 41 enters in the heat pipe vaporization chamber 31-6 of gravity type heat pipe waste-heat recovery device 31,
Become working media steam after the heat of the wet dried medium of working media absorption heat in the evaporator section of gravity assisted heat pipe 31-1 at this time
Move upwards and enter heat pipe condensation chamber 31-7, working media steam release heat becomes working media liquid, the heat of release with
Dried medium into heat pipe condensation chamber 31-7 exchanges heat, and working media liquid is again since gravity assisted heat pipe is flowed back in the influence of gravity
The evaporation ends of 31-1.And the dried medium for absorbing heat enters in heat-storing device evaporator 32-1 and the working media of the inside carries out
Heat exchange, working media liquid absorption heat become working media steam and enter heat-storing device condensation through refrigerant vapour pipeline 32-3
Device 32-2 rejects heat to phase-change heat-storage material 32-10 in heat-storing device condenser 32-2, to reach the storage of heat.
System work process principle:
When thermic load is sufficiently large outside room on daytime, when heat needed for can satisfy the dry materials of hothouse 41, by the sun
Energy needed for 41 drying operation of hothouse is provided separately in energy vacuum heat-pipe collecting system.First dried medium conveying fan 51,
Second dried medium conveying fan 52, the 4th dried medium conveying fan 54, the 5th dried medium conveying fan the 55, the 6th are dry
Medium conveying fan 56 and the 7th dried medium conveying fan 57 are opened, and third three-way solenoid valve 63 is opened.Dried medium source
After dried medium carries out absorption heat into solar energy evacuated heat collector tube system 11 by the 4th dried medium conveying fan 54
Enter hothouse 40 after drawing by the 5th dried medium conveying fan 55 and operation is dried.In drying process, constantly have dry
Dry medium enters, and the extra wet dried medium of heat is drawn by the 7th dried medium conveying fan 57 in hothouse 41 enters gravity
Heat recovery is carried out in the heat pipe vaporization chamber 31-6 of formula heat pipe residual-heat recovery 31, exhaust gas conveys wind by the second dried medium
Machine 52 is discharged.At the same time, the dried medium that the first dried medium conveying fan 51 introduces dried medium source enters heat pipe cold processed
Heat absorption to dried medium is passed through loop-type heat pipe heat-storing device 32 after forming the dried medium of new heat by solidifying room 31-7
Heat accumulation working principle carry out heat storage.
It is solar energy evacuated when heat needed for being unsatisfactory for the dry materials of hothouse 41 when thermic load is smaller outside room on daytime
Energy needed for heat collector tube system 11 and two-stage compression heat pump system provide 41 drying operation of hothouse simultaneously.First is dry
Medium conveying fan 51, the second dried medium conveying fan 52, third dried medium conveying fan 53, the conveying of the 4th dried medium
Blower 54, the 5th dried medium conveying fan 55, the 6th dried medium conveying fan 56 and the 7th dried medium conveying fan 57
It opens, the first three-way solenoid valve 61, the second three-way solenoid valve and third three-way solenoid valve 63 are opened.Solar energy evacuated heat at this time
Auxiliary dry heat of the heat that pipe collecting system 11 provides as hothouse 40, two-stage compression heat pump system are started to work.
Recycle at this time along with two kinds: working media circulation and dried medium recycle.
Working media circulation: the dried medium in dried medium source passes through the introducing of third dried medium conveying fan 53, into
Enter in two-stage compression heat pump system 20, wherein the heat of liquid working media lower enthalpy in 23 absorption dehydration medium of evaporator
Amount after the compression of the parallel connection two-stage of the first compressor 24 and the second compressor 25, become the working media steam of high temperature and pressure into
Entering 21 heat release of condenser becomes the working media steam of cryogenic high pressure, is situated between by the work that throttling set decompression becomes low-temp low-pressure
Matter liquid enters evaporator 23, continues cycling through.
Dried medium circulation: the dried medium in dried medium source passes through the introducing of third dried medium conveying fan 53, into
Enter after evaporator 23 is absorbed the heat of lower enthalpy.At the same time, dried medium is by loop-type heat pipe heat-storing device 32
Condenser 21 is entered back into after preheating and absorbs heat, finally enters hothouse 41.At the same time, dried medium passes through loop-type heat pipe
The 4th dried medium conveying fan 54 is entered back into after the preheating of heat-storing device 32, is then sent by the 4th dried medium conveying fan 54
Enter to solar energy evacuated heat collector tube system 11 and heated, the heated drying medium after heating conveys wind by the 5th dried medium
Machine 55 is sent into hothouse 41.The heat provided jointly by solar energy evacuated heat collector tube system 11 and two-stage compression heat pump system
Hothouse is sent by the 6th dried medium conveying fan 56, and operation is dried.In drying process, extra heat in hothouse
Wet dried medium is sent to waste-heat recovery device by the extraction of the 7th dried medium conveying fan 57 and carries out waste heat recycling, and exhaust gas passes through
The discharge of second dried medium conveying fan 52.
When environmental heat load very little, the heat in solar energy evacuated heat collector tube system 11 is unworthy being utilized at this time
When, then the energy of 41 drying operation of hothouse needs is provided jointly by two-stage compression heat pump system and loop-type heat pipe heat reservoir
Amount.4th dried medium conveying fan 54 and the 5th dried medium conveying fan 55 are closed, remaining blower is opened.First electromagnetism three
Port valve and the second three-way solenoid valve 62 are opened.The dried medium in dried medium source by third dried medium conveying fan 53 according to
It is secondary to enter evaporator 23, condenser 21.At the same time, pass through second by the dried medium that loop-type heat pipe heat-storing device 32 comes out
Three-way solenoid valve 62 shunts, and small part hot wind flows into condenser 21, largely flows to the 6th dried medium conveying fan 56, flows to
The dried medium of condenser 21 also flows to the 6th dried medium conveying fan 56 after absorbing heat in condenser 21 and the 6
It is sent into hothouse 41 after mixing at dried medium conveying fan 56, operation is dried.It is extra in hothouse in drying process
The wet dried medium of heat send by the extraction of the 7th dried medium conveying fan 57 to gravity type heat pipe waste-heat recovery device 31 carry out it is remaining
Recuperation of heat, exhaust gas are discharged through the second dried medium conveying fan 52.
When working using two-stage compression heat pump system, need to maintain the temperature and humidity in hothouse 41 in a certain range
It is interior, if 41 temperature sensor of Temperature Humidity Sensor in hothouse 41 is exceeded, signal can be issued to electromagnetism two-way valve 64 immediately,
Electromagnetism two-way valve 64 is opened, and the high temperature and pressure working media come out at this time from double-stage compressor shunts a part and enters auxiliary condensation
The heat of 26 heat release of device, releasing is transferred to evaporator 23 by capillary formula heat pipe 27, defrosts to 23 surface of evaporator, more preferably
Raising heat pump COP.COP refers to the Energy Efficiency Ratio of heat pump heating season, is the coefficient of performance for measuring heat pump heating efficiency.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (10)
1. a kind of solar-assisted heat pump drying system, it is characterised in that: including hothouse (41), two-stage compression heat pump system
With solar energy evacuated heat collector tube system, the two-stage compression heat pump system connect with hothouse (41) and for passing through drying
Medium thermal energy required when providing dry to hothouse (41), the solar energy evacuated heat collector tube system and hothouse (41) are even
It connects and for the thermal energy required when dry to hothouse (41) offer by dried medium, the solar energy evacuated heat collector tube system
System also connect with the two-stage compression heat pump system and for the dried medium to enter the two-stage compression heat pump system
Preheating；
The two-stage compression heat pump system includes the first compressor (24), the second compressor (25), condenser (21), evaporator
(23), auxiliary condenser (26), throttling set (22), electromagnetism two-way valve (64) and capillary formula heat pipe (27), first compression
The outlet of machine (24) is connected with the working medium inlet of condenser (21), the working medium exit port and section of the condenser (21)
The entrance of stream device (22) is connected, and the outlet of the throttling set (22) is connected with the working medium inlet of evaporator (23)
Logical, the working medium exit port of the evaporator (23) is connected with the entrance of the first compressor (24), second compressor
(25) outlet is connected with the working medium inlet of condenser (21), the entrance and evaporator of second compressor (25)
(23) working medium exit port is connected, one end of the electromagnetism two-way valve (64) simultaneously with the outlet of the first compressor (24) and
The outlet of second compressor (25) is connected, and the other end of the electromagnetism two-way valve (64) and the work of auxiliary condenser (26) are situated between
Matter entrance is connected, and the working medium exit port of the auxiliary condenser (26) is connected with the entrance of throttling set (22), described
The evaporator section setting of capillary formula heat pipe (27) is interior in auxiliary condenser (26) and can be with the working media of auxiliary condenser (26)
Heat exchange is carried out, the condensation segment of the capillary formula heat pipe (27) is arranged on evaporator (23) and for removing evaporator (23) work
The dried medium outlet of the frost condensed during making, the evaporator (23) is connected with the dried medium entrance of condenser (21)
Logical, the dried medium outlet of the condenser (21) is connected with the dried medium entrance of hothouse (41).
2. a kind of solar-assisted heat pump drying system described in accordance with the claim 1, which is characterized in that described solar energy evacuated
Heat collector tube system is including the 5th dried medium conveying fan (55) and for being added by absorbing solar energy to dried medium
The vacuum tube solar heating element (11) of heat, dried medium outlet and the 5th drying of the vacuum tube solar heating element (11)
The air inlet of medium conveying fan (55) is connected, the air outlet and hothouse of the 5th dried medium conveying fan (55)
(41) dried medium entrance is connected, the air outlet of the 5th dried medium conveying fan (55) also with the Two-stage Compression
Formula heat pump system is connected.
3. a kind of solar-assisted heat pump drying system according to claim 1 or 2, which is characterized in that the solar energy
Assisted heat pump drying system further includes waste-heat recovery device, the heat absorbing end of the waste-heat recovery device and the drying of hothouse (41)
Media outlet connects and for absorbing the heat from the dried medium of hothouse (41) dried medium outlet outflow, the waste heat
The release end of heat of recyclable device connect with solar energy evacuated heat collector tube system and for the solar energy evacuated heat collector tube system of entrance
The dried medium of system is preheated, and the release end of heat of the waste-heat recovery device connect with two-stage compression heat pump system and for being
Dried medium into the two-stage compression heat pump system is preheated, the release end of heat and hothouse of the waste-heat recovery device
(41) it connects and for the thermal energy required when dry to hothouse (41) offer by dried medium.
4. a kind of solar-assisted heat pump drying system described in accordance with the claim 3, which is characterized in that the waste heat recycling dress
It sets including the first dried medium conveying fan (51), the second dried medium conveying fan (52), gravity type heat pipe waste-heat recoverer
(31), the first three-way solenoid valve (61) and the second three-way solenoid valve (62)；
The gravity type heat pipe waste-heat recoverer (31) includes gravity assisted heat pipe (31-1), heat pipe evaporator section air outlet (31-2), heat
Pipe evaporator section air inlet (31-3), heat pipe cooling section air outlet (31-4), heat pipe cooling section air inlet (31-5), heat pipe vaporization chamber
(31-6) and heat pipe condensation chamber (31-7), the heat pipe vaporization chamber (31-6) and heat pipe condensation chamber (31-7) are adjacent by thermal insulation layer
The evaporator section setting of setting, the gravity assisted heat pipe (31-1) is interior in heat pipe vaporization chamber (31-6), the gravity assisted heat pipe (31-1)
In heat pipe condensation chamber (31-7), the heat pipe evaporator section air outlet (31-2) is arranged in heat pipe vaporization chamber (31- for condensation segment setting
6) one end, the other end of heat pipe evaporator section air inlet (31-3) setting in heat pipe vaporization chamber (31-6), the heat pipe cold
But section air outlet (31-4) setting exists in one end of heat pipe condensation chamber (31-7), heat pipe cooling section air inlet (31-5) setting
The other end of heat pipe condensation chamber (31-7)；
The air outlet of the first dried medium conveying fan (51) is connected with heat pipe cooling section air inlet (31-5), the heat
Pipe cooling section air outlet (31-4) is connected with the second port of the first three-way solenoid valve (61), first three-way solenoid valve
(61) first port is connected with the dried medium entrance of the solar energy evacuated heat collector tube system, first electromagnetic three-way
The third port of valve (61) is connected with the first port of the second three-way solenoid valve (62), second three-way solenoid valve (62)
Second port is connected with the dried medium entrance of condenser (21), the third port of second three-way solenoid valve (62) and dry
The dried medium entrance of dry room (41) is connected.
5. a kind of solar-assisted heat pump drying system according to claim 4, which is characterized in that the solar energy auxiliary
Analysis of Heat Pump Drying System further includes the loop-type heat pipe heat-storing device (32) for storing heat, the loop-type heat pipe heat-storing device
(32) it is arranged between heat pipe cooling section air outlet (31-4) and the second port of the first three-way solenoid valve (61)；
The loop-type heat pipe heat-storing device (32) include heat-storing device evaporator (32-1), heat-storing device condenser (32-2),
Refrigerant vapour pipeline (32-3), refrigerant liquid line (32-4), heat storage box dried medium import (32-5), heat storage box are dry
Media outlet (32-6), air-introduced machine (32-7), pressure fan (32-8), heat accumulation cabinet (32-9) and phase-change heat-storage material (32-10),
Phase-change heat-storage material (32-10) setting is in heat accumulation cabinet (32-9) and for storing thermal energy, the heat-storing device condensation
Device (32-2) is also disposed in heat accumulation cabinet (32-9) and can carry out heat exchange, the storage with phase-change heat-storage material (32-10)
Thermal evaporator (32-1) setting is in the outside of heat accumulation cabinet (32-9), heat storage box dried medium import (32-5) setting
In the lower end of heat accumulation cabinet (32-9), the heat storage box dried medium outlet (32-6) is arranged in the upper of heat accumulation cabinet (32-9)
End, the air-introduced machine (32-7) are arranged in heat storage box dried medium import (32-5) and for dried medium to be blown into heat storage box
Body (32-9) and phase-change heat-storage material (32-10) carry out heat exchange, and the pressure fan (32-8) is arranged in heat storage box dried medium
It exports on (32-6) and for sending out the dried medium after heat exchange from heat accumulation cabinet (32-9), the heat storage box dried medium
Outlet (32-6) is connected with the second port of the first three-way solenoid valve (61), the work of the heat-storing device evaporator (32-1)
Media outlet is connected by refrigerant vapour pipeline (32-3) with the working medium inlet of heat-storing device condenser (32-2), institute
The working medium exit port for stating heat-storing device condenser (32-2) passes through refrigerant liquid line (32-4) and heat-storing device evaporator
The working medium inlet of (32-1) is connected, the dried medium entrance and heat pipe cooling section of the heat-storing device evaporator (32-1)
Air outlet (31-4) is connected, dried medium outlet and the import of heat storage box dried medium of the heat-storing device evaporator (32-1)
(32-5) is connected.
6. a kind of solar-assisted heat pump drying system according to claim 4, which is characterized in that the solar energy auxiliary
Analysis of Heat Pump Drying System further includes third three-way solenoid valve and the 4th dried medium conveying fan (54), the third three-way solenoid valve
(63) third port is connected with the air inlet of the 4th dried medium conveying fan (54), and the 4th dried medium conveys wind
The air outlet of machine (54) is connected with the dried medium import of solar energy evacuated heat collector tube system, the third three-way solenoid valve
(63) second port is connected with the first port of the first three-way solenoid valve (61), and the of the third three-way solenoid valve (63)
Single port is connected with dried medium source.
7. a kind of solar-assisted heat pump drying system described in accordance with the claim 1, which is characterized in that the solar energy auxiliary
Analysis of Heat Pump Drying System further includes third dried medium conveying fan (53), the outlet air of the third dried medium conveying fan (53)
Mouth connect with the two-stage compression heat pump system and for dried medium to be transported in the two-stage compression heat pump system
Heat exchange is carried out, the air intake vent of the third dried medium conveying fan (53) is connected with dried medium source.
8. a kind of solar-assisted heat pump drying system described in accordance with the claim 1, which is characterized in that the solar energy auxiliary
Analysis of Heat Pump Drying System further includes Temperature Humidity Sensor (42), and Temperature Humidity Sensor (42) setting is in hothouse (41).
9. a kind of solar-assisted heat pump drying system according to claim 6, which is characterized in that the solar energy auxiliary
Analysis of Heat Pump Drying System further includes the 6th dried medium conveying fan (56) and the 7th dried medium conveying fan (57), and described five is dry
The air outlet of dry medium conveying fan (55) is connected with the air inlet of the 6th dried medium conveying fan (56), and the described 6th is dry
The air outlet of dry medium conveying fan (56) is connected with the dried medium entrance of hothouse (41), and the 7th dried medium is defeated
The air inlet of pressure fan (57) is connected with the outlet of the dried medium of hothouse (41), the 7th dried medium conveying fan
(57) air outlet is connected with heat pipe evaporator section air inlet (31-3).
10. a kind of solar-assisted heat pump drying system described in accordance with the claim 1, which is characterized in that the hothouse
(41), it is connected between two-stage compression heat pump system and solar energy evacuated heat collector tube system by heat-insulated connecting pipe, it is described
Throttling set (22) is throttle valve.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111238186A (en) * | 2020-02-27 | 2020-06-05 | 郑州欧纳尔冷暖科技有限公司 | Double-source constant-temperature vacuum drying system |
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| US6209223B1 (en) * | 1998-12-08 | 2001-04-03 | Advanced Dryer Systems, Inc. | Grain drying system with high efficiency dehumidifier and modular drying bin |
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