摘要：提出了圆柱形接地粉体料仓灌充期间仓内电场计算模型，为计算电场分布和安全评价提供理论基础。

关键词：粉体料仓；电场模型；静电

Abstract：The calculating field model of a earthed cylindrical silo during filling powder ispresented.This model can be as a theoretical basis for calculating field distribution and safety eval-uation.

Keywords：powder silo; electric field model; static electricity