新疆赛买提杏加湿差压预冷试验研究  

Experimental Study on Humidifying Pressure-difference Precooling of Xinjiang Saimaiti Apricot

作　　者：郭兆峰[1] 刘向东[1] 刘旋峰[1] 刘小龙[1] GUO Zhao-feng LIU Xiang-dong LIU Xuan-feng LIU Xiao-long(Institute of Agricultural Mechanization, Xinjiang Academy of Agricultural Science, Urumqi 830091, China)

机构地区：[1]新疆农业科学院农业机械化研究所,新疆乌鲁木齐830091

出　　处：《保鲜与加工》2017年第4期1-5,共5页Storage and Process

基　　金：国家自然基金项目(51165042)

摘　　要：果蔬预冷处理是冷链的重要环节,有利于果蔬迅速去除田间热,并可为第二阶段冷藏做准备。为了延长赛买提杏的货架保鲜期,在差压预冷应用研究的基础上,提出了一种针对新疆赛买提杏的加湿差压预冷的方法。通过正交试验探讨了赛买提杏差压预冷过程中预冷时间、果实失水率、预冷均匀度的变化规律,得出新疆赛买提杏差压预冷设备的最佳参数。结果表明,电机转速1 350 r·min^(-1)(风机风量在130 m^3·h^(-1)),空气加湿器水汽量500 g·h^(-1),送风温度4℃时,预冷所需时间最短,为3.8 h;果实失水率最低,约为0.5%;预冷均匀度约为96%。本研究可为深入研究新疆赛买提杏冷藏贮存设备提供参考依据。Precooling of fruits and vegetables is an important part in cold chain, which is conducive to the removal of field heat and prepares for the second phase of refrigeration. In order to prolong the shelf-life of Xinjiang saimaiti apricot, a humidifying pressure-difference precooling method for saimaiti apricot was put forward on the basis of current pressure-drop precooling research. The change patterns of precooling time, fruit moisture content and cooling uniformity were revealed through orthogonal tests, the optimum parameters of precooling equipment for Xinjiang saimaiti apricot were obtained. The results showed that, when the motor speed was 1 350 r·min^-1（the fandelivery130 m^3·h^-1）, air humidifier humidification rate was 500 g·h^-1, and the air temperature was 4 ℃, the precooling time was the shortest only 3.8 h, the fruit water loss rate was the lowest which was about 0.5%, precooling uniformity was approximately 96%. This study could provide a reference for the further study of the cold storage equipment of Xinjiang saimaiti apricot.

关 键 词：赛买提杏 果蔬保鲜 加湿差压预冷 

分 类 号：S662.2[农业科学—果树学]