Grain drying system based on multi-fluid heat pipe
A drying system and multi-fluid technology, applied in drying, dryer, heating device and other directions, can solve the problems of not reaching the inlet air temperature of the dryer, waste of waste heat resources, and high exhaust air temperature, and achieve a reasonable structure. , the effect of reducing carbon emissions and improving utilization
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[0036] Example 1: When the ambient temperature is 10 degrees, the exhaust air temperature of the grain dryer is usually higher than 35 degrees, and the intake air requirement for grain drying is not less than 55 degrees. The first multi-fluid heat pipe exchange in the present invention The condensing ends of the heating device 4 and the second multi-fluid heat pipe heat exchange device 5 release heat to preheat the fresh air. After preheating, the temperature of the fresh air can usually reach 30 degrees. Then the water source heat pump is used to heat the fresh air to above 60 degrees again. To meet the inlet air temperature requirements of the grain dryer;
Example Embodiment
[0037] Example 2: When the ambient temperature is 0 degrees, the exhaust air temperature of the grain dryer is usually higher than 35 degrees, passing through the condensation ends of the first multi-fluid heat pipe heat exchange device 4 and the second multi-fluid heat pipe heat exchange device 5 in the system Inside, the condensing end of the multi-fluid double-pipe heat pipe 6 releases heat to preheat the fresh air. The preheated fresh air can usually reach 28 degrees, and then use the water source heat pump to reheat it to more than 57 degrees to meet the requirements of the grain dryer. The inlet air temperature requirements;
Example Embodiment
[0038] Embodiment 3: When the ambient temperature is -5 degrees, the exhaust air temperature of the grain dryer is usually higher than 30 degrees, passing through the condensation ends of the first multi-fluid heat pipe heat exchange device 4 and the second multi-fluid heat pipe heat exchange device 5 , The condensing end of the multi-fluid double-pipe heat pipe 6 releases heat to preheat the fresh air. The preheated fresh air can usually reach 25 degrees, and then use the water source heat pump to reheat it to more than 55 degrees to meet the requirements of the grain dryer. Inlet air temperature requirements.
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