红枣热风干燥特性的单因素试验分析

Single Factor Test Analysis on Drying Characteristics of Jujube Hot Air

以新鲜红枣为原料,研究分析红枣干燥的影响因素,针对不同的影响因素逐个分析影响红枣干燥品质及香气的效果。试验先用热风干燥的干燥方式,在热风干燥的几个主要影响因素中分析影响力最大的几个因素—温度、湿度、风速、时间及红枣排密。试验数据温度为30、40、50℃,风速为0.4、0.8、1.2m/s,红枣排密为1 0、1 2、1 4 kg/m^2,研究在不同的干燥条件对红枣干燥速率及品质的影响。试验结果表明:在红枣干燥过程中,温度对红枣的干燥速率影响最大,而干燥热风风速影响表现最明显。分析可知:温度对红枣的干燥效果影响最大,风速次之,最后是红枣排密,选择合适的数据可以生产出品质表现最佳的红枣。试验可为红枣干燥工艺生产提供技术参考依据,进而优化红枣干燥工艺,提高红枣干制品的品质和价值,增加红枣种植户的收益。

The effects of jujube dry quality and aroma were analyzed on the basis of fresh red dates as the raw materials,and the influencing factors of jujube drying were analyzed and analyzed. In this experiment,several factors,namely,temperature,humidity,wind speed,time and jujube,were analyzed in several main influencing factors of hot air drying by hot air drying method. Test data temperature： 30℃,40℃,50℃,wind speed： 0. 4m/s,0. 8m/s,1. 2m/s,red dates： 10kg/m^2,12kg/m^2,14kg/m^2,Drying rate and quality of jujube under conditions. The results showed that the temperature had the greatest effect on the drying rate of jujube during the drying process,and the effect of dry hot air was the most obvious. Through the experimental analysis,the effect of temperature on the drying effect of jujube was the greatest,the wind speed was the second,and finally the jujube was arranged,and the appropriate data could be used to produce the best red dates. After this test,you can provide a good technical reference for the production of dried red dates,and then optimize the drying process of red dates to improve the quality and value of dried jujube dry products and increase the income of jujube growers.