环流熏蒸是借助外力加速环流气体在粮堆扩散,达到均匀分布,以提高杀虫效果的技术。自2 0世纪初期以来,许多科学家对环流熏蒸的方法、最适剂量及系统的设计和检测方法等方面进行了研究和探讨。我国从2 0世纪80年代以来推广应用环流熏蒸技术,特别是在高大房式仓和立筒仓中迅速得 Circulation fumigation is the use of external force to accelerate the circulation of gas diffusion in the grain heap, to achieve uniform distribution, in order to improve insecticidal effect of the technology. Since the beginning of the 20th century, many scientists have studied and discussed the methods of circulation fumigation, the optimum dosage, the system design and test methods. China from the 1980s to promote the application of circulating fumigation technology, especially in the high room-type warehouse and silo quickly