| 热泵干燥核桃的试验研究 |
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| 引用本文： | 陈盈希,兰青,季旭,彭福明,夏朝凤,李绚阳.热泵干燥核桃的试验研究[J].云南师范大学学报(自然科学版),2014(4):30-34. |
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| 作者姓名： | 陈盈希 兰青 季旭 彭福明 夏朝凤 李绚阳 |
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| 作者单位： | [1]云南师范大学太阳能研究所,云南昆明650092 [2]昆明永淦节能科技有限公司,云南昆明650301 |
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| 基金项目： | 云南省科技计划资助项目（2010ZC076）. |
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| 摘 要： | 利用热泵干燥设备,在不同干燥条件下针对大理去皮鲜核桃进行干燥,得出核桃的热泵干燥曲线和干燥速率曲线.结果表明,干燥温度和干燥介质的相对湿度是影响热泵干燥核桃的重要因素,根据核桃的干燥曲线和干燥速率曲线得到以下结论并进行了相应的试验研究:定色期干燥温度设定在40℃,湿度35%,并保持8~10h;后期温度设定在45℃,湿度45%,并保持30h;在此条件下干燥核桃不仅速率快且产品品质好.
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| 关 键 词： | 核桃干燥 热泵 干燥曲线 最佳工艺方案 |
Experimental Study on Heat Pump Drying Characteristics for Walnuts |
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| OHEN Ying-xi,LAN Qing,JI Xu,PENG Fu-ming,XIA Ohao-feng,LI Xuan-yang.Experimental Study on Heat Pump Drying Characteristics for Walnuts[J].Journal of Yunnan Normal University (Natural Sciences Edition),2014(4):30-34. |
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| Authors: | OHEN Ying-xi LAN Qing JI Xu PENG Fu-ming XIA Ohao-feng LI Xuan-yang |
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| Institution: | 1. Solar Energy Research Institute,Yunnan Normal University,Kunming 650092,China; 2. Yonggan Energy Technology Co. , Ltd. , Kunming, Kunming 650301, China) |
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| Abstract: | In this paper, heat pump drying curves and drying rate curves of walnuts are presented by using heat pump drying equipment to dry the Dali peeled fresh walnuts in different drying conditions. The results show that the drying temperature and the relative humidity of drying medium are important factors affecting the heat pump drying of walnuts. According to the drying curves and drying rate curves we obtained the following conclusions and then conducted the cor- responding experimental study：at the color fixing stage the drying temperature is set at 40 ℃, humidity 35%, and keeping for 8 to 10 hours long;at the late drying stage the temperature is set at 45 ℃, humidity 45%, maintaining 30 hours long. Under the above conditions the walnut drying is not only fast but with good quality. |
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| Keywords: | Walnut drying Heat pump Drying curves Optimized processing solution |
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