The experimental heat exchanger Thermo Siphon in all cases. If the open lid that burn less fuel as possible. Fuel consumption to 5.5 l / h, while the process is a normal fuel consumption to 7.61 liters / hour, fuel economy than 2.11 L / h, making the cost of fuel in the dehumidification drying grain. Can be reduced by up to 63.3 baht / hour (current average cost 30 baht / liter), which provided that the reduced fuel use, depending on the weather and moisture content of the grain in each region and season.
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