The heat and humidity balance of open air source heat pump drying system was studied,the dehumidification(sensible)heat load and dehumidification efficiency were defined.The dehumidification efficiency is defined and the calculation method,test method and influencing factors of energy efficiency ratio of dehumidification were further proposed.It is pointed out that the efficiency ratio of dehumidification is greatly affected by different weather conditions.When there is a heat recovery device,the efficiency ratio of dehumidification is inversely proportional to the air volume.This article has reference significance for the design of drying and dehumidification systems.
Drying and dehumidificationThermal balanceEnergy efficiency ratioInfluencing factor
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