Pyrotechnic composition drying system
A drying system and pyrotechnic powder technology, which is applied in the field of fireworks pyrotechnic powder drying system, can solve the problems of insufficient power, too much energy consumption, disappearance, etc., to reduce the use of electric auxiliary heating, increase the temperature of the working environment, and reduce the load on the compressor Effect
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[0022] Referring to the accompanying drawings, reflecting a specific structure of the present invention, the pyrotechnic powder drying system includes an air source heat pump and a drying room 8, and the air source heat pump includes a working fluid pipeline connected to a compressor 1, a condenser / evaporator 9, a section The working medium circulation circuit composed of the expansion valve 10 of the flow device and the main evaporator / main condenser 2; the four-way valve 11 of the air source heat pump device is used to realize the conversion between the cooling mode and the heating mode.
[0023] The air inlet and outlet of the drying room 8 are respectively connected to the air outlet and the air inlet of the condenser 9 to form a main air duct for circulating heating; the flow rate of the fan 12 of the main air duct is 2000-3500m 3 / h, the total pressure of the fan is 800-715Pa.
[0024] The main air duct is equipped with a fresh air replenishment channel and a dehumidific...
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