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Industrial Dryers
Industrial Dryers
Santha Engineering offers Industrial Dryers. The principle of operation for drying in conventional industrial dryers can be divided in two parts. The first step concerns fresh outdoor air that is being brought inside the dryer and heated. Secondly, the air is circulated over the wet product. During circulation it picks up moisture from the wet product due to which its humidity increases and its air temperature decreases. The energy contained in this stream may make it a useful heat source. Standard procedure is to exhaust this used air or dehumidify it. Most of the humid and cold air is re circulated when the innovative heat pump application is used. The air is cooled below condensation point and thus dehumidified at the evaporator of the heat pump. The pressure and temperature of the refrigerant (which is high in energy due to the extraction of heat at the evaporator) are increased with the use of a compressor. This energy is released into the fresh dryer air, at the condenser side. Due to the application of a industrial heat pump dryers, considerable energy savings can be obtained. Furthermore, the drying process is less influenced by outdoor air conditions. A more stable drying process increases the quality of the product.
Industrial Dryers are widely used in food grains processing, storage and preservation. The recommended duration of dryers in warehouses is according to the temperature and moisture content of the grain. The temperature depends not only on climatic conditions but also on the biochemical changes that are produced inside a grain mass, provoking undesirable natural heating of the stored products. As for the moisture content of the stored grain, it depends on the relative humidity of the air with relative air humidity below 65-70 percent; many grain-degradation phenomena are slowed down, if not completely blocked.