Analysis of the Composite Application of Low-temperature Direct Expansion and Rotary Dehumidification
Rotary dehumidification is a way to control the relative humidity of air,which is widely used in low humidity environment,but its regenerative heating energy consumption is high.The direct expansion,chilled water and runner are composed of a compound runner dehumidifier unit,which can reduce the inlet air temperature and moisture content of the runner,and then reduce the outlet air temperature of the runner,reduce the rear surface cooling and regenerative heating heat.Compared with the conventional chilled water type rotary dehumidifier under the same design conditions,when the indoor temperature is 23 ℃,the relative humidity is 30％and the dew point temperature is-50 ℃,the regenerative heating energy consumption of the compound rotary dehumidifier is reduced by about 63％and 50％,respectively,and the total operating cost per unit hour can be saved by about 42％and 29％,respectively.
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