颜春岭填埋场好氧稳定化过程关键技术与BIM应用

THE KEY TECHNOLOGY OF AEROBIC STABILIZATION PROCESS AND BIM APPLICATION IN YANCHUNLING LANDFILL SITE

目前我国填埋场内垃圾普遍超出设计库容,并且持续产生渗滤液、恶臭有毒气体等有害物质,存在较大的环境风险及安全隐患。因此对生活垃圾填埋场进行生态修复工程,使其快速稳定具有重要意义。为此,本研究提出一种好氧稳定化过程关键技术,注入气体使垃圾堆体内的有害垃圾进行好氧反应,将填埋场从厌氧状态转化为好氧状态,加速填埋场垃圾的降解,渗滤液处理后回灌在填埋场中,防止造成二次环境污染。结合建筑信息模型(BIM)技术,建立三维立体模型,在设计阶段通过Navisworks软件等进行管道布局优化、碰撞检查、可视化交底,在施工阶段进行施工模拟、进度检查、工程量统计,在运维阶段利用监测平台对各项重要数据进行实时监测,以此为根据对好氧稳定化过程施加调控措施,提高氧气利用率,使好氧稳定化过程更加充分,保障填埋场好氧修复与环境治理工程的顺利进行。

The garbage in landfills in China generally exceeds the design capacity presently,and continues to produce leachate,odorous toxic gases and other harmful substances,which has great environmental risks and potential safety hazards.Therefore,it is of great significance to carry out ecological restoration projects for domestic waste landfills to make them fast and stable.Therefore,this study proposes a key technology for aerobic stabilization process.By injecting gas,the harmful waste in the landfill is aerobically reacted,and the landfill is converted from anaerobic state to aerobic state,which accelerates the degradation of landfill waste.The leachate is treated and recharged in the landfill to prevent secondary environmental pollution.In addition,this technology is combined with building information model(BIM)technology to establish a three-dimensional model.In the design stage,pipeline layout optimization,collision inspection and visual disclosure are carried out through Navisworks software.In the construction stage,construction simulation,schedule inspection and engineering quantity statistics are carried out.In the operation and maintenance stage,real-time monitoring and control are carried out through the monitoring platform,which improves the utilization rate of oxygen,makes the aerobic stabilization process more sufficient,and ensures the smooth progress of landfill aerobic restoration and environmental governance projects.