Research And Application On Comprehensive Evaluation Index System Of Intrinsic Safety For Coal Mine

Comprehensive evaluation of intrinsic safety for coal mine is to achieve the intrinsic safety for coal mine. The complexity of the production system of coal mine decides that safety evaluation of coal mine is a complex systemic project, so the right-constructed, reasonable and effective evaluation index system of intrinsic safety for coal mine is very important.This thesis is to construct a evaluation index system of intrinsic safety for coal mine. In this thesis, in order to construct a reasonable and effective a comprehensive evaluation index system of intrinsic safety for coal mine, we study the staff, the machines, the enviroment and the management of the coal mine, indentify and analyze the dangers, the potential dangers and harmful elements in every system of the coal mine, estimate the possibility of accidents and their severity during production, apply the hierarchical analysis, the illegible evaluation and etc, to optimize the match of the staff, the machines, the enviroment and the management. The index system is composed by 4 first-grade index, 19 second-grade index and 57 third-grade index. In order to realize its practicality and operability, we quantify the index. First, the expert-investigation is used to the membership of third-grade index, and accoding to every expert's educational backgroud and record of service, the expert-investigation is confirmed with different importance index; then, to make grey information to white and quantify the qualitative analysis, the hierarchical analysis is applied to evaluate the index weight; third, the illegible evaluation is applied to evaluate the conclusion, judge the coal mine for evaluating is of what grade of intrinsic safety; finally, this evaluation index system has been appied to evaluate the intrinsic safety of Tianchi coal mine, and we get that this coal mine is ofâ…¡grade of intrinsic safety. This coal mine has been improved under the suggestion, and has got good results. The comprehensive evaluation index system of intrinsic safety for coal mine which is constucted in this thesis can make gray information white in every safety element, can quantify abstract element, and can make evalution index system of safety more scientific and reliable. This system is scientific, easy and practical, which makes it have great importance during the work of safety evaluating.