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阐述了我国粮食干燥技术与设施的发展现状,分析了传统快速烘干机烘干稻谷的弊端,简要介绍了粮食低温通风干燥理论,研发了多环立式深层粮食径向通风干燥新的技术装备。该技术装备打破了国内外粮食机械通风干燥粮层不能超过4m的极限。将网架式薄壁通风管道装置应用于粮层堆厚12m的砖筒仓内进行整仓稻谷机械通风干燥,实现了粮食通风干燥过程的智能、远程、实时、动态监控和管理。技术装备经两年多的生产实践,运行安全可靠,经济和社会效益显著。
The current situation of grain drying technology and facilities in our country is expounded. The disadvantages of traditional fast drying machine in drying rice are analyzed. The theory of low temperature ventilation and drying of grain is briefly introduced. The new technical equipment of multi-ring vertical deep grain radial ventilation and drying . The technical equipment to break the domestic and foreign food machinery ventilation dry layer can not exceed the limit of 4m. The grid-type thin-walled ventilation duct device used in the 12m thick pile of silos inside the entire warehouse mechanical ventilation drying, food ventilation and drying process to achieve the intelligent, remote, real-time, dynamic monitoring and management. Technical equipment after more than two years of production practice, safe and reliable operation, significant economic and social benefits.