摘要：对我国天津港口接卸粮食主要品种伴生粉尘的爆炸性进行了测试和分析，在此基础上对港口散粮系统主要设备发生粉尘爆炸的危险性进行了分析，并提出了相应的预防和防护措施。

关键词：散粮设备;粉尘爆炸;危险性分析;

Abstract：Based on the experimental results, an explosibility analysis for the main type of associated dusts during the bulk grain handling process in Tianjin Harbor of our country was given.Dust explosion hazard analysis for the handling process equipment was carried out and the relevant prevention and protection measures were also presented in this paper.

Keyword：bulk grain handling equipment;dust explosion;hazard analysis;