This paper introduces two different fumigation processes and two kinds of fumigants popularly used nowadays in the world for bulk grain silos, and discusses some issues with airtightness of the silos.

• 介绍目前国际上散粮筒仓常用的两种熏蒸方式、两种熏蒸剂及筒仓气密性的有关问题,并提出散粮筒仓适合采用以熏蒸剂为溴甲烷的强制循环熏蒸方式。