灰场包气带环境影响预测方法研究--以新疆某电厂灰场为例

摘要

灰场在防渗不当或事故工况下，淋滤液的渗漏可能会对灰场包气带产生影响。以新疆某火电厂灰场的淋滤液渗漏情景为例，介绍了淋滤液渗漏对包气带影响的3种预测方法并进行对比分析。结果表明，两类解析法计算误差较大且存在各自适用条件，应优先采用数值法进行定量化预测。%Under the condition of broken impermeable membranes or accidents in ash pond, leakage of leachate may have effects on the aeration zone. In this paper, a practical case of leachate leaching from the ash pond of a thermal power plant in Xinjiang was taken as an example and three methods of predicting the environmental impacts of leachate on the aeration zone were systematically introduced and compared for analysis. The results showed that there were big errors from the calculation by use of two analytical methods with limited application conditions. Therefore, numerical method should be given priority for quantification prediction.