Evaluation of energy conservation by second-stage drying
2001
Shmulsky, R. | Taylor, F.W.
Second-stage drying is a process in which latent heat from a dry kiln is captured and used to heat a smaller secondary kiln. Three second-stage chambers were constructed and three different heat exchanger profiles were tested. Twenty tests were run with primary kiln conditions of 121 degrees C dry bulb and 100 degrees C wet bulb. Equations were developed that predicted the amount of attainable heat based on the heat exchanger design and the temperature of the second-stage chamber. Results indicate that this technology is effective at capturing the latent heat given up by the condensation of water.
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