Performance Study of Fluidized Bed Dryer with Immersed Heater for Paddy Drying

This paper investigated the performance of fluidized bed dryer with immersed heater for paddy drying. The influence of drying temperature and the temperature of immersed heater on drying curve, thermal efficiency, and quality of paddy was investigated. The fixed operating conditions are drying time...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2018-03, Vol.316 (1), p.12026
Main Authors: Suherman, S, Azaria, N F, Karami, S
Format: Article
Language:English
Subjects:
Drying
Fluidized beds
Moisture content
Thermodynamic efficiency
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Summary:This paper investigated the performance of fluidized bed dryer with immersed heater for paddy drying. The influence of drying temperature and the temperature of immersed heater on drying curve, thermal efficiency, and quality of paddy was investigated. The fixed operating conditions are drying time of 60 minutes, paddy weight of 200 grams and the air velocity of 0.4 m/s. The variables are drying temperature and the temperature immersed heater namely 50, 60, 70, 80, 90 (°C). The results show addition immersed heater will increase drying rates. No constant drying rate was found. Increasing the temperature will decrease the utilized energy. The thermal efficiency decreases with increasing temperature. The increasing temperature and use immersed heater will decrease the residual moisture content, increase damaged and yellow paddy grain, and increase red paddy grain.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/316/1/012026