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引用次数: 3
摘要
对护瓶粉的干燥特性进行了实验研究。通过不同的工艺参数，即蒸汽漂烫时间(2、4、5和8 min)和干燥空气温度(50、60、70和80℃)制备葫芦粉，并对每种干燥空气温度下未漂烫的样品进行评估。将葫芦碎料在柜式干燥机中进行薄层热风干燥，风速恒定为1.5 m/sec。在50、60、70和80℃的干燥温度下，达到0.04 kg / kg dm的平均含水量所需的总平均干燥时间分别为660、480、420和345 min。在热风干燥(60C)前进行蒸漂预处理(6min)是获得质量较好的葫芦粉的最有效处理。
Study of Drying Characteristics of Bottle Gourd in Tray Dryer
The study was undertaken to investigate the drying characteristics of bottle guard powder experimentally. Bottle gourd powder was prepared by varying process parameters i.e. steam blanching time (2, 4, 5 and 8 min) and drying air temperature (50, 60, 70 and 80C) and one without blanched sample was evaluated for each drying air temperature. The bottle gourd shreds were subjected to thin layer hot air drying in a cabinet dryer keeping constant air velocity of 1.5 m/sec. The total average drying time required to attain the average moisture content of 0.04 kg water per kg dm at drying temperature of 50, 60, 70 and 80C was 660, 480, 420 and 345 minutes, respectively. The optimum values of steam blanching pre treatment (6 min) prior to hot air drying (60C) was found to be the most effective treatment to obtain better quality bottle gourd powder.
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