南京市二次增压供水方式的合理选择

随着国家供水水质标准不断提高，二次供水设施统一由供水企业进行专业化管理将成为今后的发展趋势。根据全国二次供水现状，结合南京市的实际情况，对常用的4种二次增压供水方式进行了技术经济分析，重点分析了水池不同的进水方式对供水管网系统的影响，选出了适合南京市供水现状的二次增压供水方式，并提出了今后运行管理的建议。

Reasonable Choice of Urban Secondary Pressurization Water Supply Modes in Nanjing

With the improving of the domestic standard for drinking water quality, the urban secondary water supply systems will be managed by water supply companies. According to the national status of secondary water supply and the actual situation in Nanjing, four conventional modes were analyzed economically and technically with the emphasis on the influence of different feedwater modes of cisterns on the water supply systems. The secondary water supply mode suited for the present status of water supply in Nanjing was selected, and the suggestion on the operation and management in future was presented.