The sewage pump station is an important facility to ensure the safety and stability of the urban drainage system,which undertakes the function of transmitting urban sewage in the urban drainage system.As the construction of sewage pump station is easily restricted by land conditions,municipal pipe network layout conditions and other factors,it is easy to cause problems such as disordered inflow flow pattern of the pump station and uneven water distribution in the tank.Taking the expansion project of Zaodong Sewage Pump Station in Pudong New Area of Shanghai as an example,the combined form of staggered composite beam and diversion pier is used in the intake gate shaft to optimize the intake distribution,while the combined form of splayed diversion pier and combined beam is used in the fore bay to optimize the inflow,which can effectively improve the inflow flow pattern of the fore bay and optimize the inflow conditions of each pump unit,so as to ensure the safe and stable operation of large sewage pump station,and also provide ideas for the optimization design of other similar projects.
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