Monday, 5 October 2015

Solar cabinet dryer, the heat from the sun couple with the wind has been used to dry food crops for preservation for the thousand years. Drying depends upon, temperature, humidity, quality of air used, size of the piece to be dried, physical structure and composition.  Heat is not the only factor which is necessary for drying. The condition, quality and amount of air passed over and through the pieces to be dried. The amount of moisture contained in the air to be used for the drying important and is referred to as relative humidity. 

One of the most common type of dryer is the tray of cabinet dryer. In Solar cabinet dryer,  all types of fruits, vegetables, spices, herbs, see foods etc can dry. The dryer has two compartments: one for collecting solar radiation and producing thermal energy and the other for spreading the product to be dried. This arrangement was made to absorb maximum solar radiation by the absorber plate. In this dryer, the product was loaded beneath the absorber plate, which prevented the problem of discoloration due to irradiation by direct sunlight. Cabinet dryers available at various size according to its loading capacity and what we want to dry. we have small capacity to big capacity cabinet dryer.

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