CN115682653B - Photovoltaic drying device - Google Patents
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- CN115682653B CN115682653B CN202211171812.3A CN202211171812A CN115682653B CN 115682653 B CN115682653 B CN 115682653B CN 202211171812 A CN202211171812 A CN 202211171812A CN 115682653 B CN115682653 B CN 115682653B
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- 238000001035 drying Methods 0.000 title claims abstract description 107
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 239000004065 semiconductor Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007791 dehumidification Methods 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000010248 power generation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to the technical field of photovoltaic drying, in particular to a photovoltaic drying device which comprises a heat pump system, a drying chamber, a light Fu Rebeng air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module. The lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with a hot air inlet pipe, and the second end of the drying air pipe is connected with a hot air outlet pipe; a third end of the photovoltaic heat pump air pipe is provided with a photovoltaic cooling fan and is connected with an air inlet pipe of the photovoltaic hot air system, and an air outlet pipe of the photovoltaic hot air system is connected with a fourth end of the photovoltaic heat pump air pipe; the condenser of the heat pump system is arranged in the hot air inlet pipe, the first evaporator is arranged at the third end of the photovoltaic heat pump air pipe, the second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged at the rear of the condenser. The invention can not only improve the power generation efficiency of the photovoltaic photo-thermal assembly by utilizing solar energy, but also improve the energy-saving effect of the heat pump system.
Description
Technical Field
The invention belongs to the technical field of photovoltaic drying, and particularly relates to a photovoltaic drying device.
Background
The traditional drying method is solar irradiation, and then is developed into a coal boiler, a fuel oil boiler and microwave drying to meet the production requirement, and the implementation of national environmental protection and energy saving policies is carried out due to the continuous reduction of energy sources and the gradual deterioration of the environment, so that the solar energy with the characteristics of wide sources, cleanness, no harm, sustainability and the like is taken as a mature industry in the new energy industry to solve the important strategic tasks of energy shortage and ecological environment protection in China. With the development of society, more and more products need drying in industrial products and agricultural products, and more heat pump drying is widely applied under the policy of changing national coal into electricity. But the heat pump drying driven by electric energy is also an energy-consuming product, and only saves energy relatively. Therefore, how to effectively combine the heat pump with the photovoltaic solar energy further improves the energy conservation and consumption reduction of the heat pump and improves the efficiency becomes a problem to be solved in the current heat pump drying field.
Disclosure of Invention
The invention aims to provide a photovoltaic drying device which can effectively improve the energy-saving effect of a heat pump by combining a photovoltaic device with the heat pump.
In order to achieve the above purpose, the invention provides a photovoltaic drying device, which comprises a heat pump system, a drying chamber, a light Fu Rebeng air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module;
The lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with the hot air inlet pipe, and the second end of the drying air pipe is connected with the hot air outlet pipe;
the third end of the photovoltaic heat pump air pipe is provided with the photovoltaic cooling fan and is connected with the air inlet pipe of the photovoltaic hot air system, and the air outlet pipe of the photovoltaic hot air system is connected with the fourth end of the photovoltaic heat pump air pipe;
The condenser of the heat pump system is arranged in the hot air inlet pipe, the first evaporator is arranged at the fourth end of the photovoltaic heat pump air pipe, the second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged behind the condenser;
the control module is respectively connected with the photovoltaic heat pump system, the photovoltaic cooling fan, the drying fan, the storage battery and the photovoltaic hot air system.
Preferably, in the above technical solution, the heat pump system further includes a throttle valve, a filter valve, a gas-liquid separator, a liquid storage tank, and a compressor; the outlet of the condenser, the throttle valve, the filter valve, the gas-liquid separator and the inlets of the first evaporator and the second evaporator which are connected in parallel are sequentially connected, and the inlet of the condenser, the compressor, the liquid storage tank and the outlets of the first evaporator and the second evaporator which are connected in parallel are sequentially connected.
Preferably, in the above technical solution, the photovoltaic hot air system includes a photovoltaic hot air module, and the photovoltaic hot air module includes a frame, a photovoltaic module and a thermal insulation board; the photovoltaic module and the heat-insulating plate are arranged in the frame, a closed cavity is formed by the lower end face of the photovoltaic module, the upper end face of the heat-insulating plate and the inner side face of the frame, and the air inlet pipe and the air outlet pipe are respectively communicated with the cavity.
Preferably, in the above technical solution, the photovoltaic hot air system is formed by a plurality of photovoltaic hot air modules, the air inlet pipes and the air outlet pipes of the photovoltaic hot air modules are sequentially connected in series to form a photovoltaic hot air module, the air inlet pipes of the photovoltaic hot air modules are connected with a total air inlet pipe, and the air outlet pipes are connected with a total air outlet pipe.
Preferably, in the above technical scheme, the solar energy collecting device further comprises an outer exhaust pipe provided with a photovoltaic hot air outer exhaust valve and a light Fu Refeng circulating valve; the outer exhaust pipe and the photovoltaic hot air circulation valve are connected with the air outlet pipe.
Preferably, in the above technical scheme, the device further comprises a photovoltaic fresh air pipe provided with a photovoltaic fresh air control valve, and the photovoltaic fresh air pipe is connected with the outer calandria.
Preferably, in the above technical scheme, the air conditioner further comprises a drying fresh air pipe provided with a drying fresh air control valve, the second end of the drying air pipe is connected with the hot air outlet pipe through a drying circulation air pipe, and the drying fresh air pipe is communicated with the drying circulation air pipe.
Preferably, in the above technical solution, the apparatus further includes a dehumidifying device, where the dehumidifying device includes: the cooling device comprises a cooling fin, a semiconductor refrigerating fin and a cooling fin, wherein an auxiliary chamber is arranged on the side portion of the drying chamber, the semiconductor refrigerating fin is installed between the drying chamber and the auxiliary chamber, the cooling fin, the semiconductor refrigerating fin and the cooling fin are arranged in a mode of being attached in sequence, the cooling fin is located on the hot end of the drying chamber and corresponding to the semiconductor refrigerating fin, the cooling fin is located on the auxiliary chamber and corresponding to the cold end of the semiconductor refrigerating fin, a water outlet is formed in the lower end of the auxiliary chamber, the control module is connected with the semiconductor refrigerating fin, the auxiliary chamber is connected with the photovoltaic circulating cold air pipe through an auxiliary pipeline, a dehumidification installation cavity is formed in a connecting point of the auxiliary pipeline and the photovoltaic circulating cold air pipe, and detachable dehumidification cotton is arranged in the dehumidification installation cavity.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the photovoltaic drying device, heat generated during power generation of the solar cell panel is sent to the evaporator to be absorbed by using circulating wind, and meanwhile, the heat pump is driven by electric energy generated by the photovoltaic photo-thermal assembly, so that the purpose of fully utilizing solar energy is achieved, and the power generation efficiency of the photovoltaic photo-thermal assembly is improved. And the energy-saving effect of the heat pump system is also improved. The photovoltaic photo-thermal technology and the heat pump technology are integrated, clean and environment-friendly solar energy is fully utilized, and the ecological and economic purposes of high-efficiency utilization and cyclic utilization of resources are achieved.
2. The heating system adopts one driving two evaporators, namely one compressor, so that circulating air with higher temperature and humidity from the drying chamber does not enter the photovoltaic photo-thermal assembly, and meanwhile, the system efficiency is improved.
Drawings
Fig. 1 is a first structural view of the photovoltaic drying apparatus of the present invention.
Fig. 2 is a block diagram of the photovoltaic hot air system of the present invention.
Fig. 3 is a second block diagram of the photovoltaic hot air system of the present invention.
The main reference numerals illustrate:
1. The drying chamber, the condenser, the throttle valve, the filter valve, the gas-liquid separator, the light Fu Rebeng air pipe, the photovoltaic cooling fan, the first evaporator, the photovoltaic hot air discharging valve, the photovoltaic hot air circulating valve, the drying circulating air pipe, the photovoltaic circulating cold air pipe, the photovoltaic circulating hot air pipe, the photovoltaic module, the drying fresh air control valve, the drying fresh air pipe and the drying fresh air pipe. 17, a photovoltaic fresh air control valve, 18, a drying air pipe, 19, a second evaporator, 20, a liquid storage tank, 21, a compressor, 22, a drying fan, 23, wires, 24, a control module, 25, a frame, 26, a photovoltaic assembly, a photovoltaic module and a fan. Air outlet pipe (27), heat insulation board (28), air inlet pipe (29), auxiliary chamber (30), semiconductor refrigerating sheet (31), cooling sheet (32), cooling sheet (33), cooling sheet (34), water outlet (35), auxiliary pipeline (36) and dehumidification installation cavity.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1-2, the photovoltaic drying apparatus in this embodiment includes a heat pump system, a drying chamber 1, a photovoltaic heat pump air duct 6, a photovoltaic hot air system, a photovoltaic cooling fan 7, a drying fan 22, a drying air duct 18, a storage battery, and a control module 24.
Referring to fig. 1, a hot air inlet pipe is provided at a lower end of a drying chamber 1, and a hot air outlet pipe is provided at an upper end thereof. The first end of the drying air pipe 18 is connected with a hot air inlet pipe, and the second end is connected with a hot air outlet pipe through the drying circulating air pipe 11. So that the drying chamber forms a complete circulation loop in combination with the drying circulation duct 11. The condenser 2 of the heat pump system is arranged in the hot air inlet pipe, the drying fan 22 is arranged behind the condenser 2, and the second evaporator 19 of the heat pump system is arranged at the second end of the drying air pipe 18. The air flow is heated by the condenser 2 to become hot air, and then is conveyed to the drying chamber 1 by the drying fan 22, so that the articles to be heated in the drying chamber 1 are heated, then the air flow circulates along with the hot air outlet pipe, the air flow circulates to the second evaporator 19 for dehumidification, and the dehumidified air flow returns to the condenser 2 for heating, so that the circulation is realized.
Further, a third end of the photovoltaic heat pump air pipe 6 is provided with a photovoltaic cooling fan 7, and the third end is connected with an air inlet pipe (namely a photovoltaic circulating cold air pipe 12) of the photovoltaic hot air system, and an air outlet pipe (namely a photovoltaic circulating hot air pipe 13) of the photovoltaic hot air system is connected with a fourth end of the photovoltaic heat pump air pipe 6. The first evaporator 8 of the heat pump system is arranged at the fourth end of the photovoltaic heat pump air pipe 6, the photovoltaic cooling fan 7 drives the air flow to circulate, the air flow is heated by the photovoltaic hot air system after passing through the photovoltaic hot air system, and the heated air flow returns to the first evaporator 8 to absorb heat so as to improve the efficiency of the heat pump system and circulate. The control module 24 is respectively connected with a photovoltaic heat pump system, a photovoltaic cooling fan 7, a drying fan 22, a storage battery and a photovoltaic hot air system. All modules are electrically connected through an electric wire 23, and meanwhile, the control module is also connected with the mains supply, if the photovoltaic power is sufficient, the photovoltaic power is selected for power supply, and if the photovoltaic power is lower, the mains supply is selected for power supply. The heat generated during power generation of the solar cell panel is sent to the evaporator for absorption by using circulating wind, and meanwhile, the heat pump of the heat pump system is driven by the electric energy generated by the photovoltaic photo-thermal assembly, so that the purpose of fully utilizing solar energy is achieved, and the power generation efficiency of the photovoltaic photo-thermal assembly is improved. And the energy-saving effect of the heat pump system is also improved. The photovoltaic photo-thermal technology and the heat pump technology are integrated, clean and environment-friendly solar energy is fully utilized, and the ecological and economic purposes of high-efficiency utilization and cyclic utilization of resources are achieved.
With continued reference to fig. 1, the heat pump system further includes a throttle valve 3, a filter valve 4, a gas-liquid separator 5, a liquid storage tank 20, and a compressor 21. The outlet of the condenser 2, the throttle valve 3, the filter valve 4, the gas-liquid separator 5 and the inlets of the first evaporator 8 and the second evaporator 19 connected in parallel are sequentially connected, and the inlet of the condenser 2, the compressor 21, the liquid storage tank 20 and the outlets of the first evaporator 8 and the second evaporator 19 connected in parallel are sequentially connected. The compressor 21 is connected to a control module 24.
With continued reference to fig. 1 and 2, the photovoltaic hot air system includes a photovoltaic hot air module including a frame 25, a photovoltaic module 26, and a thermal insulation plate 28. The photovoltaic module 26 and the heat-insulating board 28 are arranged in the frame 25, a closed cavity is formed by the lower end face of the photovoltaic module 26, the upper end face of the heat-insulating board 28 and the inner side face of the frame 25, and the air inlet pipe 29 and the air outlet pipe 27 are respectively communicated with the cavity. The photovoltaic module 26 generates electricity and is processed by the control module 24 to be stored in a storage battery. Further, the photovoltaic module 26 is preferably a solar panel, and the solar panel generates electricity and generates heat after being irradiated by the sun, and the solar panel (photovoltaic module) heats the air flow in the cavity, and the heat of the air flow is absorbed by the first evaporator 8.
In this embodiment, referring to fig. 1, the photovoltaic hot air system is preferably composed of a plurality of photovoltaic hot air modules, and the air inlet 29 and the air outlet 27 of the plurality of photovoltaic hot air modules are sequentially connected in series to form a photovoltaic hot air module, and the air inlet pipes of the plurality of photovoltaic hot air modules are connected with a total air inlet pipe, and the air outlet pipe is connected with a total air outlet pipe. The total air inlet pipe and the total air outlet pipe are used as a photovoltaic circulating cold air pipe 12 and a photovoltaic circulating hot air pipe 13 of the photovoltaic hot air system, and a plurality of photovoltaic hot air modules are used in a combined mode, so that the power generation efficiency of the photovoltaic module is improved, and a stable heat source can be provided.
With continued reference to fig. 1, this embodiment further includes an outer drain pipe provided with a photovoltaic hot air outer drain valve 9, a photovoltaic hot air circulation valve 10, a photovoltaic fresh air pipe provided with a photovoltaic fresh air control valve 17, and a dry fresh air pipe 11 provided with a dry fresh air control valve 15. The outer exhaust pipe and the photovoltaic hot air circulation valve 10 are connected with an air outlet pipe of the photovoltaic hot air system, the photovoltaic fresh air pipe is connected with the outer exhaust pipe, the second end of the drying air pipe 18 is connected with a hot air outlet pipe of the drying chamber 1 through the drying circulating air pipe 11, and the drying fresh air pipe 16 is communicated with the drying circulating air pipe 11. When the hot air circulation of the photovoltaic hot air module needs to be stopped or started, the photovoltaic hot air circulation valve 10 can be directly controlled to be opened or closed. When new circulating heating air needs to be added, the photovoltaic fresh air control valve 17 can be opened. When new circulation drying fresh air needs to be added, the drying fresh air control valve 15 can be opened.
In this embodiment, the control module 24 is preferably an intelligent inversion control integrated machine, which integrates grid connection, energy storage and intelligent control. When the grid-connected function is selected, the electricity emitted by the photovoltaic module 14 and the commercial power are connected in parallel to supply power to the heat pump system for working, and the storage battery can be used for the heat pump system or used as a standby power supply. When the system works, the daytime photovoltaic cooling fan 7 is started, hot air of the photovoltaic module 14 is sent to the photovoltaic cooling first evaporator 8 through the photovoltaic circulating cold air pipe 12 and the photovoltaic circulating hot air pipe 13 to absorb heat and cool, and then the hot air returns to the photovoltaic cooling first evaporator 8 after being heated again in a circulating mode. The photovoltaic cooling first evaporator 8 absorbs heat, the refrigerant evaporates to become high-temperature gas, the high-temperature high-pressure liquid is compressed by the compressor to become high-temperature high-pressure liquid, the high-temperature high-pressure liquid enters the condenser 2, the drying fan 22 circulates indoor air to heat through the condenser 2, and the indoor air is heated to heat the articles to be dried. The high-temperature wet air in the drying chamber enters the dehumidifying second evaporator 19 from the drying circulation air pipe 11 through the drying fan 22, dehumidified dry air enters the drying chamber, and the refrigerant in the dehumidifying second evaporator 19 absorbs heat and evaporates, enters the compressor for compression, and enters the condenser 2 for heat release and condensation. When the fresh air is needed to be supplemented in the drying chamber, a drying fresh air control valve 15 arranged on the fresh air pipe is automatically opened, and then the fresh air enters the drying chamber through a dehumidifying second evaporator 19 and a condenser 2. When the drying system is in pause, the function of the drying system is selected to be closed, at the moment, the solar power generation system keeps the electric energy generated by working to be connected with the grid or charge the storage battery, the photovoltaic panel cooling fan 7 continues to rotate in the daytime to cool the photovoltaic photo-thermal assembly, the power generation efficiency is improved, and the photovoltaic panel cooling fan 7 stops in rainy days and at night.
Further to this embodiment, referring to fig. 3, although the dehumidifying second evaporator 19 dehumidifies the air, the air flow is communicated with the drying chamber, and in order to further reduce the humidity of the drying chamber, a dehumidifying apparatus is introduced, which comprises: the cooling fin 33, the semiconductor refrigerating fin 31 and the cooling fin 32 are arranged on the side part of the drying chamber 1, the auxiliary chamber 30 is arranged on the side part of the drying chamber 1, the semiconductor refrigerating fin 31 is arranged on the wall between the drying chamber 1 and the auxiliary chamber 30, the cooling fin 33, the semiconductor refrigerating fin 31 and the cooling fin 32 are arranged in a sequentially attached mode, the cooling fin 32 corresponds to the cold end of the semiconductor refrigerating fin 31, the cooling fin 33 corresponds to the hot end of the semiconductor refrigerating fin 31, the cooling fin 32 is positioned in the auxiliary chamber 30, and the water outlet 34 is formed in the lower end of the auxiliary chamber 30. The heat sink 33 is located in the drying chamber 1, and the control module 24 is connected to the semiconductor cooling fin 31. The auxiliary chamber 30 is connected with the photovoltaic circulation cold air pipe 12 through an auxiliary pipeline 35, a dehumidification mounting cavity 36 is formed in a connecting point of the auxiliary pipeline 35 and the photovoltaic circulation cold air pipe 12, a mounting opening is formed in the dehumidification mounting cavity 36, a detachable mounting cover is arranged on the mounting opening, dehumidification cotton is mounted in the mounting cavity and is mounted in a detachable mode, and the dehumidification cotton can be replaced regularly to ensure a dehumidification effect. In use, the control module 24 controls the semiconductor refrigeration sheet 31 to generate a hot end and a cold end simultaneously, and the hot end enables the temperature of the drying chamber 1 to be maintained, so that the dehumidification effect can be improved. The condensation surface of the cooling fin 32 connected with the cold end generates very low temperature, so that moisture in the air is condensed on the condensation surface, and the moisture is discharged out of the auxiliary chamber from the water outlet, so that the humidity of the circulating air entering the photovoltaic hot air system can be reduced, and the influence of the moisture on the solar panel is avoided. And the air conditioning that the semiconductor refrigeration piece produced is driven by photovoltaic cooling fan 7, get into and circulate with the hot-blast system of photovoltaic heat pump tuber pipe 6 connection, take away heat after the air conditioning passes through a plurality of hot-blast modules of photovoltaic and become hot air after reaching first evaporimeter 8, circulate together with the air conditioning that the semiconductor refrigeration piece 31 produced under the drive of photovoltaic cooling fan after absorbing heat by it, make the air temperature that gets into the hot-blast system of photovoltaic after the dehumidification cotton dehumidifies further reduce, can improve solar cell panel's work efficiency by a wide margin.
It should be noted that, in the present embodiment, a plurality of dehumidifying apparatuses may be disposed, so that the effect is better.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. The photovoltaic drying device is characterized by comprising a heat pump system, a drying chamber, a light Fu Rebeng air pipe, a photovoltaic hot air system, a photovoltaic cooling fan, a drying air pipe, a storage battery and a control module;
The lower end of the drying chamber is provided with a hot air inlet pipe, and the upper end of the drying chamber is provided with a hot air outlet pipe; the first end of the drying air pipe is connected with the hot air inlet pipe, and the second end of the drying air pipe is connected with the hot air outlet pipe;
the third end of the photovoltaic heat pump air pipe is provided with the photovoltaic cooling fan and is connected with the air inlet pipe of the photovoltaic hot air system, and the air outlet pipe of the photovoltaic hot air system is connected with the fourth end of the photovoltaic heat pump air pipe;
The condenser of the heat pump system is arranged in the hot air inlet pipe, the first evaporator is arranged at the fourth end of the photovoltaic heat pump air pipe, the second evaporator is arranged at the second end of the drying air pipe, and the drying fan is arranged behind the condenser;
the control module is respectively connected with the photovoltaic heat pump system, the photovoltaic cooling fan, the drying fan, the storage battery and the photovoltaic hot air system;
The heat pump system also comprises a throttle valve, a filter valve, a gas-liquid separator, a liquid storage tank and a compressor; the outlet of the condenser, the throttle valve, the filter valve, the gas-liquid separator and the inlets of the first evaporator and the second evaporator which are connected in parallel are sequentially connected, and the inlet of the condenser, the compressor, the liquid storage tank and the outlets of the first evaporator and the second evaporator which are connected in parallel are sequentially connected;
The photovoltaic hot air system comprises a photovoltaic hot air module, wherein the photovoltaic hot air module comprises a frame, a photovoltaic assembly and a heat insulation plate; the photovoltaic module and the heat-insulating plate are arranged in the frame, a closed cavity is formed by the lower end face of the photovoltaic module, the upper end face of the heat-insulating plate and the inner side face of the frame, and the air inlet pipe and the air outlet pipe are respectively communicated with the cavity;
Still include dehydrating unit, this dehydrating unit includes: the solar energy drying device comprises a radiating fin, a semiconductor refrigerating fin and a cooling fin, wherein an auxiliary chamber is arranged on the side portion of the drying chamber, the semiconductor refrigerating fin is arranged between the drying chamber and the auxiliary chamber, the radiating fin, the semiconductor refrigerating fin and the cooling fin are arranged in a mode of being attached in sequence, the radiating fin is located on the hot end of the drying chamber and corresponds to the semiconductor refrigerating fin, the cooling fin is located on the auxiliary chamber and corresponds to the cold end of the semiconductor refrigerating fin, a water outlet is formed in the lower end of the auxiliary chamber, the control module is connected with the semiconductor refrigerating fin, the auxiliary chamber is connected with a photovoltaic circulation cold air pipe through an auxiliary pipeline, a dehumidification installation cavity is arranged at a connecting point of the auxiliary pipeline and the photovoltaic circulation cold air pipe, and detachable dehumidification cotton is arranged in the dehumidification installation cavity.
2. The photovoltaic drying apparatus according to claim 1, wherein the photovoltaic hot air system is composed of a plurality of photovoltaic hot air modules, the air inlet pipes and the air outlet pipes of the photovoltaic hot air modules are sequentially connected in series to form a photovoltaic hot air module, the air inlet pipes of the photovoltaic hot air modules are connected with a total air inlet pipe, and the air outlet pipes are connected with a total air outlet pipe.
3. The photovoltaic drying apparatus of claim 1, further comprising an outer drain pipe provided with a photovoltaic hot air outer drain valve and a light Fu Refeng circulation valve; the outer exhaust pipe and the photovoltaic hot air circulation valve are connected with the air outlet pipe.
4. The photovoltaic drying apparatus of claim 3, further comprising a photovoltaic fresh air duct provided with a photovoltaic fresh air control valve, the photovoltaic fresh air duct being connected to the outer drain.
5. The photovoltaic drying apparatus of claim 1, further comprising a dry fresh air duct provided with a dry fresh air control valve, wherein a second end of the dry air duct is connected to the hot air outlet duct via a dry circulation air duct, and wherein the dry fresh air duct is in communication with the dry circulation air duct.
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| CN202211171812.3A CN115682653B (en) | 2022-09-26 | 2022-09-26 | Photovoltaic drying device |
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| CN202211171812.3A CN115682653B (en) | 2022-09-26 | 2022-09-26 | Photovoltaic drying device |
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| CN115682653B true CN115682653B (en) | 2024-06-04 |
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