摘要：介绍了我国11种烟煤和无烟煤的爆炸性的测试结果，分析了烟煤爆炸性特点，研究了压力、温度、氧浓度等初始条件时烟煤爆炸性的影响，提出了不同场合下烟煤的防爆方法．论述了爆炸性对防爆方法的影响。

关键词：烟煤粉；粉尘爆炸；防爆

Abstract：This paper pres.nts the test results of the explosibility of 11 types of bituminousand anthracite dusts of China and the influence of initial presure，temperature，oxygen concentra-tion to explosibility of bituninous dusts. Some ideas of explosion protection measures for bitumi-nous dusts of different explosibility under different process conditions are presented also.

Keywords： bituminous dust; dust explosion; explosion protection