结合工程实际 ,简述了济南市经四路人防商城地下排水用作建筑中水的工艺流程和水量平衡计算 ,另外 ,还进行了简要的经济分析 ,分析结果表明 ,利用人防地下排水作建筑中水 ,与建设中水处理站相比 ,节约初期设备投资 12万余元 ,年节约水费 10 5万余元。 In combination with the actual project, a brief description of the process flow and water balance calculation of the underground drainage of the Jingshui Passenger Responsive Mall in Jinan City for the construction of reclaimed water was conducted. In addition, a brief economic analysis was conducted. The results of the analysis showed that the use of civil air defense underground drainage was used in the construction. Compared with the construction of a water treatment station, the water conservation of the initial stage will require an investment of more than RMB 120,000 and an annual savings of RMB 105,000.