南宁青秀山雨水收集利用设计

Design on Rainwater Collection and Utilization of Qingxiushan in Nanning

南宁青秀山森林公园年雨水收集量为43.40×105m3,为总需水量的77.74%,雨水是园区内最直接、最经济的水资源。根据园区的气候、地形地貌等条件,将青秀山分为天池雨水区、北坡雨水区、蜡烛湾雨水区、清水麓雨水区、玫瑰湾雨水区和瓦窑雨水区6个区并对雨水进行收集,分别设计了集雨系统、净化系统及存储系统,旨在能够较为充分地利用雨水资源,达到缓解用水压力、节约经济成本、调蓄雨洪、改善水环境等目的。

The annual amount of rainwater collection of Qingxiushan Forest Park is 43.40×105 m3,account for 77.74 percent of total water requirements,which is the most direct and economical water resource.According to the condition of weather and landform,the system of Rainwater Collection and Utilization of Qingxiushan has been designed.The system is consist of rainwater collected system,water-purifying system and water storage system.The rainwater collected mainly come from six districts,which are Tianchi rainwater district,Beipo rainwater district,Lazhuwan rainwater district,Qingshuilu rainwater district,Meiguiwan rainwater district and Wayao rainwater district.The system can make the best use of rainwater resource and achieves the objectives such as releasing water-using stress,saving economic costs and balancing water and flood.