燃煤灰场对地下水环境影响及防渗处理

平原地区电厂多以燃煤为主,其产生的灰渣利用率较低,需建灰场贮放。由于早期电厂建设时对灰场渗漏引起的环境问题缺乏认识,一般不采以专门的防渗措施,灰水渗漏对地下水环境产生了明显的影响。论文以济宁某电厂灰场为例,通过对平原灰场水位、水质在时间和空间上的数据对比表明灰场区地下水已遭受污染,其污染影响范围一般小于1km。根据场区地层结构和水文地质条件,本文提出了相应的防渗方案。

Water leakage in the coal ash field and its influence on groundwater quality and countermeasures of its control

The studied power station uses coal mostly,the rate of the ash and dregs treatment is lower,needing to set up ash field to take into.Because short of the known that the leakage will bring the environment problems in early days the power station constructed,generally not adopt technical measure of defending seeping,the groundwater environment changed obvious influence by the ash water leakage,the paper take the ash field of JiNing Power Station as an example,through the data contrast of the plain ash field water level and water quality in the time and on the space,expresses that the groundwater of ash field district has already suffered pollution,generally,the scope of the pollution is in 1 kilometer.According to the ash field's strata structure and the hydrogeological conditions,the paper puts forward the correspondent project of seepage treatment.