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Schematic representation of a twin tower desiccant compressed air dryer. Desiccant dryers, sometimes referred to as absorption dryers, operate by absorbing water vapor into a porous media with a high affinity for water. [12] [13] These types of dryers are also referred to as absorption systems or getters. Because these dryers get and hold the ...
Desiccant dehumidifiers Work on the principle of adsorption. Wet air is attracted to moisture adsorbent material. Operation range is from 10 °F to 90 °F. Excellent structural drying tool, can lower RH to 5%. Does not operate on the principles of heat and therefore can be used year round in all environments.
Different kinds of dryers are possible to construct, e.g. Single-belt dryer; Multi-stage dryer; Multi-level dryer; Multi-belt dryer; Ventilation options. In general there are two ways of gas flow pattern. The drying air can flow, according to the treatment process, either through or over the product. [1] Heat Sources. HEAT EXCHANGERS:
The desiccant absorbs moisture from the air leaving the cold surface, releasing heat and drying the air, which can be used in a process requiring dry air. The desiccant is then dried by an air stream at a lower relative humidity, where the desiccant gives up its moisture by evaporation, increasing the air's relative humidity and cooling it ...
Desiccant, a substance that absorbs or adsorbs water Grain dryer , for storage grain bins Oil drying agent , an additive which accelerates the film formation of a drying oil
One measure of desiccant efficiency is the ratio (or percentage) of water storable in the desiccant relative to the mass of desiccant. Another measure is the residual relative humidity of the air or other fluid being dried. For drying gases, a desiccant's performance can be precisely described by the dew point of the dried product. [1]