粮堆膜下环流系统的设计及应用  

Design and application of circulation system under grain stack membrane

作　　者：张来林[1] 桑青波[1] 李守根 张艳玲 庄亚 

机构地区：[1]河南工业大学粮油食品学院,河南郑州450052 [2]中储粮宁陵直属库,河南商丘476711

出　　处：《粮食与饲料工业》2010年第10期14-17,20,共5页Cereal & Feed Industry

摘　　要：主要介绍了膜下环流的定义、系统构成;膜下环流在熏蒸杀虫、均衡粮温、粮食冷却和平衡水分等方面的应用;膜下环流系统单位通风量、回流管的管径与开孔率、回流管的埋设深度、环流管的安装高度、环流风机选择等设计参数的确定;以及在膜下环流系统操作时对系统安装的要求,粮堆压盖密闭与揭膜时机、膜下环流时机、膜下密封气密性要求等应注意的问题;为膜下环流系统的设计与使用提供了参考依据。Definition and system composition of circulation under membrane; applications of circulation under membrane in fumigating and insect disinfestation, grain temperature equilibration, grain cooling and water balance; specific air volume in circulation system under membrane, pipe diameter and porosity of recirculation pipe, laying depth of recirculation pipe, installation height of circulation pipe, circulation fan selection and other design parame- ters; requirements on system installation, covering, sealing and uncovering occasions of grain stack, occasion of circulation under membrane and airtight of sealing under membrane and other problems to be cared in operation of the circulation system under grain were mainly introduced to provide reference basis for design and application of circulation system under membrane.

关 键 词：粮堆密封 膜下环流 膜下通风 膜下环流熏蒸 

分 类 号：S379[农业科学—农产品加工]