Experimental Study of Peanut Pods Fixed-bed Mesh Bag Stacking for Ventilation Drying
To understand the drying characteristics,energy consumption and post-drying quality of peanut pods with fixed-bed mesh bag stack ventilation,three drying methods of fixed-bed mesh bag stack ventilation(room temperature air),fixed-bed mesh bag natural stacking and natural drying were used in this experiment to dry fresh wet peanut pods.In this experimental,the drying conditions,temperature and humidity changes and energy con-sumption of peanut pods at different locations within the stack were investigated.The drying quality of peanut pods under different drying methods was compared and analyzed.The results indicated that it took 160 h to reduce the moisture content of peanut pods from 37.85％to less than 10.00％using fixed bed mesh bag stacking and ventilation(ambient air)drying equipment.The highest crude fat content of 48.08％and best color of peanut pods after drying by fixed bed mesh bag stacking and ventilation(room temperature air)method,while removing unit mass of water in peanut pods requires energy consumption of 4.28 × 106 J,much less than conventional drying.Fixed bed mesh bag stacking and ventilation(room temperature air)had obvious advantages over fixed bed mesh bag natural stacking and natural drying,with faster drying rates and more consistent quality after drying.
peanutsventilation dryingtemperature and humiditycolorenergy consumption
万方数据
维普
