有毒液体泄漏渗流污染后果分析

有毒液体泄漏后,沿地表扩散的同时亦会发生渗流现象.有毒液体渗流会直接或间接地对土壤和地下水及周边环境造成一定的污染,甚至会对人体造成很大危害,导致中毒等重大事故的发生.为分析泄漏后毒物的浓度在时间和空间上的变化规律,建立了二维渗流方程,开发了二维渗流事故后果分析软件.分析结果表明,在假设前提下,毒物泄漏后发生渗流时,毒物浓度沿二维渗流平面呈椭圆形向四周扩散,泄漏点的浓度随泄漏时间的推移而逐渐降低,此结论对于有毒液体泄漏的预防与控制具有重要的意义.

Analysis of the Pollution Consequences on Leakage and Seepage Flow of Poisonous Liquid

Seepage flow can happen while poisonous liquid leaks. The seepage flow can directly or indirectly pollute soil, groundwater and the surrounding environment, even eause great hazards to human body and bring about the happening of severe aeeidents, sueh as poisoning. In order to analyze the ehanging rule of the eoneentration of poisonous substanees after the leakage in time and spaee, the planar seepage flow equation is set up and aeeident eonsequenee analysis software is developed. The result shows that under the assumption theeoneentration of the poison diffuses as an oval and deduees with the leading time, whieh is signifieant to the prevention and eontrol of the leakage of the poisonous liquid.