????? 集中制备、分质供应的纯水供应模式具有运营成本低、方便管理、节约设备用房等特点。为了达到降低运营成本，节约用水的目的， 结合医院自身的实际情况，对原有的末端设水处理设备独立供水的纯水供应系统进行局部改造和优化组合。在投资成本较少的前提下，充分提高了水资源的利用率。改造完成后累计节约用水约1 700吨，创造了一定的经济效应和社会效应，对其他同行有一定的参考价值。

????? The central medical purified water supply system is in low cost, conveniently management and economic characteristics. For the benefit of reducing running cost and saving water, the original medical purified water supply system was partially modified and optimized based on the situation of the hospital. In the context of less investment cost, the utilization of water resources is improved. After the transformation was completed, about 1 700 tons water has been conserved, which has created? certain economic and social effects to make? references for other peers.