摘要：以国家标准为基础,分析了爆炸性粉尘环境危险性区域划分方法和步骤,以粉尘释放源释放频率和形成爆炸性混合物的可能性为指标,给出了危险区域划分方法,并以某港筒仓系统生产线为例进行了说明,所得结果对于港口散粮系统的安全生产具有借鉴意义。

关键词：粉尘爆炸；危险场所；区域划分

Abstract：Based on national standard,the dust explosive area classification method and steps was analysed . Mainly considering the releasing frequency of the dust release resources and the possibility of forming explosible hybrids, the classification method was given out . Silo production line of certain harbor was illustrated as an example, the results may be used by other factory for reference.

Keywords：dust explosion;hazards area;area classification