| 脱水蔬菜热泵干燥工艺研究 |
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| 引用本文： | 张海红,李海峰. 脱水蔬菜热泵干燥工艺研究[J]. 安徽农业科学, 2009, 37(32): 15997-16000 |
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| 作者姓名： | 张海红 李海峰 |
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| 作者单位： | 宁夏大学农学院,宁夏银州,750021 |
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| 基金项目： | 2007年度宁夏高等学校科学研究项目"热泵干燥系统的研究及应用"基金资助项目 |
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| 摘 要： | 为了降低能耗，提高干燥效率，缩短生产周期，对脱水蔬菜热泵干燥工艺进行了研究。以甘蓝为原料，利用自制的内循环式热泵干燥样机进行了单因素试验，探讨了干燥介质温度、风速、装料量对蔬菜干燥速率及能耗的影响；采用2次正交旋转组合试验，建立了干燥工艺参数回归数学模型；通过约束复合形法，找出了热泵干燥最佳工艺参数组合：介质温度为60℃，风速1．95m／min，装料量3．6kg／m2为最佳工艺参数组合。
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| 关 键 词： | 热泵 脱水蔬菜 干燥 工艺 |
Study on Dehydrated Vegetable Heat Pump Drying Process |
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| ZHANG Hai-hong et al. Study on Dehydrated Vegetable Heat Pump Drying Process[J]. Journal of Anhui Agricultural Sciences, 2009, 37(32): 15997-16000 |
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| Authors: | ZHANG Hai-hong et al |
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| Affiliation: | ZHANG Hai-hong et al (Agricultural College of Ningxia University,Yinchuan,Ningxia 750021) |
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| Abstract: | In order to decrease energy-consumption,increase thermal efficiency and shorten production period,the dehydrated vegetable heat pump drying technology was studied using cabbage as experimental material.Single factor experiment was carried out in inner re-circulating pump drier,a self-made model.The effects of air temperature,flow and dried quantity on cabbage drying rate and energy-consumption were explored.Mathematic drying model was established by quadratic cross rotary design method.The best processing p... |
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| Keywords: | Heat pump Dehydrated vegetable Drying Process |
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