中文摘要：

粉尘是影响矿井安全的一个重要原因，而影响井下气体中粉尘含量的因素很多，经过分析并结合矿方工作人员的经验，选取煤层赋存条件等12个影响因素来建立矿井粉尘评价指标体系．以分析各因素对矿井粉尘含量的影响为研究目的，通过改进的层次分析法对以上影响因素进行分析对比，得出采煤方法、通风状况、采掘机械化程度和防尘理念与培训对矿井粉尘含量的影响最大．针对各因素对井下气体中粉尘含量的影响程度轻重，提出粉尘的治理方案，同时为治理者提供一定的科学依据．

英文摘要：

Dust is an important factor affecting mine safety, and there are many influence factors about the dust content from the downhole gas. After analysis and with the experience of the mine workers, this paper selects twelve influencing factors, such as coal seam occurrence condition, to establish mine dust evaluation index system. To analyze the impact of various factors on the dust content of mine for research purposes, the paper uses the improved AHP method to analyze and contrast the above factors, obtain the mining methods, ventilation, affecting mining mechanization and dust philosophy and training for mine dust content of the largest. According to various factors to the influence degree of the dust content from the downhole gas, this paper puts forward the dust control scheme, and provides certain scientific basis for the controller.