Design and development of copra dryer using agricultural waste as source of energy
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1982
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Keeping in view the pressure on land in Kerala, the main coconut growing state in India which restricts the use of dryers needing permanent building and high initial investment, a small capacity dryer was designed and fabricated from materials such as MS angle, Gl sheet, and AC sheets. This dryer consists of a drying chamber, plenum chamber and burning-cum-heat exchanging unit. A chimney is provided to control the rate of combustion and thus drying air temperature. An adjustable damper is provided to control the entry of fresh air for drying. The dryer could accomodate a maximum of 400 nuts per batch. Any dry agricultural waste could be used as fuel. The drying air temperature is kept at 70 to 80°C and time required for drying is 37.5 hours. The cost of the dryer is only Rs. 1000/- and it needs only 2m2 area for housing
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In: Proceedings, PLACROSYM V, CPCRI, Kasaragod, IS IS Dec. 1982. Edited by K. V. A. Bavappa and others 1984 p. 324-334