A solar thermal energy pump circulation formula drying system for dry material

The utility model discloses a solar thermal energy pump circulation formula drying system for dry material, including the heat pump set, static pressure case, solar collector, intake stack, air supplyfan, drying chamber and the return air duct that communicate in proper order, return air duct and heat pump set intercommunication are equipped with a circulating fan in the pipeline between heat pump set and the static pressure case, have first inclination between solar collector and the horizontal plane, have the second inclination between the top of drying chamber and the horizontal plane, areequipped with a temperature sensor in the drying chamber, and the drying chamber communicates with external through a cooling fan. The utility model discloses constantly converting solar energy intothermal energy transfer to drying chamber, making material surface's moisture constantly evaporate, the steam of production is in time taken away, has improved drying efficiency greatly for drying rate, utilize solar energy to