煤矿井下职业危害的未确知测度评价模型及应用

Evaluation Model of Uncertainty Measurement on Occupational Hazard in Coal Mine

煤炭行业是职业病的高发行业且涉及的职业危害因素众多,为综合评价煤矿井下的危害状况,依据未确知测度理论,选取煤矿井下粉尘质量浓度、有害气体指数、瓦斯浓度(甲烷体积分数)、噪声、振动、温度、湿度、风速、有效风量率、作业空间、劳动强度共11个职业危害判别指标,建立职业危害评价指标体系,运用信息熵确定各指标权重,根据置信度识别准则进行等级判定,最终得出评价结果。基于煤矿井下职业危害未确知测度评价模型,应用Visual Basic编程技术实现该评价模型程序化,将该评价模型应用于同忻煤矿井下6个工种的职业危害综合评价,评价结果与实际情况相互吻合,表明该评价模型及其应用程序能够客观、准确地评价煤矿井下职业危害情况。

The coal industry is a high-incidence industry of occupational diseases and involves many occupational hazards,in order to evaluate the hazards of coal mine comprehensively,based on the theory of uncertainty measurement,a total of 11 occupational hazard discrimination indexes including dust mass concentration,harmful gas,gas concentration(methane volume fraction),noise,vibration,temperature,humidity,wind speed,effective air volume rate,working space and labor intensity were selected to establish an occupational hazard evaluation index system,the information entropy was used to determine the weight of each index,and the level was judged according to the confidence recognition criteria,and the evaluation result was finally obtained.Based on the uncertainty measurement evaluation model of occupational hazard in coal mine,Visual Basic programming technology was applied to realize the programmatic evaluation of the evaluation model.The evaluation model was applied to the comprehensive evaluation of occupational hazards in 6 kinds of underground work in Tongxin Coal Mine,and the evaluation results were consistent with the actual situation,indicating that the evaluation model and its application program can objectively and accurately evaluate the occupational hazards in coal mine.