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The solar hot air system can be used for the drying of agricultural products
like leaves of tea and coffee, groundnuts, seeds, tobacco, chemicals, grapes,
etc. The drying takes place under controlled conditions. Apart from saving in
fuel costs, it is also possible to get a better yield and good product quality
by using the solar hot air system.
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The system consists of a solar hot water
system through which the water temperature can be raised up to 80 C.
A liquid-to-air heat exchanger is then used to produce hot air at about 60-70C.
which can be supplied for drying purposes. The drying chambers are equipped
with required instrumentation for controlling the flow and temperature of hot
air.
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All the systems can be purchased directly from the manufactures / installers.
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