Calculating and analysing result indicates that the control point located in the joint of first user and main pipe and the pressure difference equaled to the design value can satisfy the demand flow rate of the users and save energy 计算分析结果表明,将控制点设置在第一个热用户与主干管的连接处、控制压差设为该处的设计工况压差既能保证热网中各用户流量又较节能。