Risk assessment method in relation to coal mine gas explosion based on safety information loss

IF 1 4区工程技术 Q4 ENGINEERING, CHEMICAL Process Safety Progress Pub Date : 2024-03-26 DOI:10.1002/prs.12601

Huimin Guo, Lianhua Cheng, Shugang Li, Bolin Jiang

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Abstract

Considering the uncertainty and fuzziness of the risk assessment index of coal mine gas explosion, a risk assessment model of gas explosion based on combinatorial weighting‐unascertained measure of safety information loss is proposed. First, 20 risk indicators are extracted from the six aspects of supply loss, transformation loss, transmission loss, perceived loss, cognition loss, and response loss in the process of safety information flow. The weight vector is constructed by the G1 method and anti‐entropy weight combination weighting method. Then, the single‐index measurement function is used to process the risk index measure. Based on the classification standard of the gas explosion risk assessment index, the single‐index and multi‐index measurement matrices are constructed. And the grade is judged according to the principle of maximum membership. Finally, a mine is selected for case application. The results show that the evaluation results are consistent with the actual situation and the method has certain feasibility. It provides a new idea and method for advanced control and accident prevention of coal mine gas explosion risk.

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基于安全信息损失的煤矿瓦斯爆炸风险评估方法

考虑到煤矿瓦斯爆炸风险评估指标的不确定性和模糊性，提出了基于组合加权-不确定度量安全信息损失的瓦斯爆炸风险评估模型。首先，从安全信息流动过程中的供给损失、转换损失、传递损失、感知损失、认知损失、响应损失六个方面提取 20 个风险指标，然后根据这些风险指标的权重向量构建安全信息损失组合权重向量。采用 G1 法和反熵权组合加权法构建权向量。然后，使用单指数测量函数对风险指数测量值进行处理。根据瓦斯爆炸风险评估指标分级标准，构建单指标和多指标测量矩阵。并根据最大成员原则判断等级。最后，选择一个矿井进行案例应用。结果表明，评价结果符合实际情况，方法具有一定的可行性。为煤矿瓦斯爆炸风险的超前控制和事故预防提供了新的思路和方法。

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来源期刊

Process Safety Progress 工程技术-工程：化工

CiteScore

2.20

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Process Safety Progress covers process safety for engineering professionals. It addresses such topics as incident investigations/case histories, hazardous chemicals management, hazardous leaks prevention, risk assessment, process hazards evaluation, industrial hygiene, fire and explosion analysis, preventive maintenance, vapor cloud dispersion, and regulatory compliance, training, education, and other areas in process safety and loss prevention, including emerging concerns like plant and/or process security. Papers from the annual Loss Prevention Symposium and other AIChE safety conferences are automatically considered for publication, but unsolicited papers, particularly those addressing process safety issues in emerging technologies and industries are encouraged and evaluated equally.