近几年来,环流熏蒸技术开始在房式仓推广应用,解决了磷化氢在高大粮堆内渗透慢、分布不均匀、杀虫效果差、职工劳动强度大等问题。但在初期应用中,普遍采用的全仓密闭环流熏蒸技术存在仓房密闭性要求高,熏蒸过程中空间无效施药量大、磷化氢气体损失多、熏蒸后易感染等问题,同时与传统的“三低”、“双低”储粮技术的应用存在 In recent years, circulation fumigation technology began to promote the use of room-type warehouse to solve the phosphine in the tall grain piles slow penetration, uneven distribution, insecticidal effect is poor, workers labor intensity and other issues. However, in the initial application, the commonly used full-closed closed-loop fumigation technology has the problems of high request of airtight warehouse, ineffective application of space in the fumigation process, large loss of phosphine gas and easy infection after fumigation. At the same time, The application of “three low” and “double low” grain storage technologies exist