Heat pump drying and heating system powered by solar energy and wind energy in complementary mode
A solar wind energy, heat pump drying technology, applied in heating systems, wind power generation, household heating, etc., to achieve the effect of strengthening convective heat transfer, improving comprehensive utilization rate, and improving drying effect
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Embodiment 1
[0017] In winter or rainy weather, the solar irradiance is small, and the thermal efficiency of the air collector is low. At this time, valve b is closed, valves a, c, and d are opened, and the heat pump uses the above-mentioned stored electric energy to extract heat from the ambient medium. After raising the temperature, it is sent into the drying room through the pipeline to continuously dry the agricultural products or supply indoor heating; in summer, the indoor heat is taken out and released into the environmental medium to achieve the purpose of cooling.
Embodiment 2
[0019] In summer, the solar irradiance is strong. At this time, valves a, c, and d are closed, and valve b is opened. After the solar radiation passes through the glass cover of the air collector, it is projected onto the heat-absorbing plate of the collector. It is absorbed by the heat absorbing plate and converted into heat energy, which is used to heat the air in the heat collector to increase its temperature. The fan sends the hot air into the drying room through the pipe, and transfers the heat to the dried agricultural products to achieve the best drying effect of the agricultural products. Purpose.
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