采用作业条件危险性评价法对炼油厂的原油罐和火炬进行了风险分析，根据分析结果，提出了整改措施，以保证炼油厂生产的安全。
The crude oil tank and flare system was assessed by using of LEC. Based on the assessment result, rectifying measures were proposed, to guarantee production safety of refinery.
方法：设计新的评价方案，并采用统计学方法客观分析分割的结果，根据分析结果确定合适的参数。
Methods a new evaluation scheme is proposed. The experimental results, which were analyzed objectively by the statistic method, were used to decide the optimal parameters.
根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
Hereby the safety of the combined mining of thin seams under the close gob water was evaluated.
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