High temperature air source heat pump hot-air fan used for drying
An air-source heat pump and high-temperature air technology, applied in the direction of drying gas arrangement, dryer, drying, etc., can solve the problems of low heating temperature, over-voltage protection shutdown, and failure to meet the drying requirements, etc., to reduce the intake pressure , stable pressure reduction, simple and easy design effect
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[0033] see figure 1 , reflecting a specific structure of the present invention, including an air source heat pump and a fan 2 mainly composed of an evaporator 5, a compressor 3, a condenser 1, and a main throttling device 6 connected with a working fluid circulation pipeline 4 in sequence. The hot air blower is also provided with a pressure relief diverter valve 30 and a secondary throttling device 31, the input end of the pressure relief diverter valve 30 is connected to the working fluid circulation pipeline 4 between the compressor 3 and the condenser 1, and the pressure relief diverter valve The output end of 30 is connected to the input end of the auxiliary throttling device 31 , and the output end of the auxiliary throttling device 31 is connected to the working medium circulation pipeline 4 between the evaporator 4 and the compressor 3 , and the connection point is close to the compressor 3 . Condenser 1 includes the air inlet and outlet on the shell and the shell and t...
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