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    • 90. 发明授权
    • Drainage pump station and drainage operation method for drainage pump
station
    • 排水泵站排水泵站排水操作方法
    • US5752785A
    • 1998-05-19
    • US527898
    • 1995-09-14
    • Sadashi TanakaSeiji MiuraKunio TakadaMasayuki YamadaYutaka ShimadaAkira Manabe
    • Sadashi TanakaSeiji MiuraKunio TakadaMasayuki YamadaYutaka ShimadaAkira Manabe
    • E03F1/00E03F5/10E03F5/22F04D15/00F02B11/00
    • E03F5/22Y10T137/402
    • In a drainage pump station, a driving machine has a capacity greater than a shaft power necessary for no-discharge operation of a pump, and during severe flooding the pump is operated at an overload exceeding its design capacity. During maintenance operation water is fed from a river on the delivery side of the pump station into the station. When an inflow of rainwater into the pump station is great the pump is operated at the necessary capacity, when it becomes small the water level is kept above a rated value, and when the inflow rate is zero the pump discharge is increased to a capacity at which sediment can be discharged. A suction blower is disposed at the top of a suction sump and interstage valves are disposed in entrances of vertical shafts to effect efficient ventilation of the underground waterway. A feed channel is operated as a pressure channel and the pump is of variable capacity and the water level in the underground waterway is controlled to be constant.
    • 在排水泵站中,驱动机器的容量大于泵的不排放操作所需的轴功率,并且在严重的淹水期间,泵以超过其设计能力的过载运行。 在维护作业过程中,水泵从泵站的输送侧的河流进入车站。 当雨水进入泵站的时候,泵的运行必须达到必要的水平,当水位变小时,水位保持在额定值以上,当流量为零时,泵排放量增加到 哪些沉积物可以排出。 抽吸鼓风机设置在吸入池的顶部,并且级间阀门设置在垂直轴的入口处,以实现地下水道的有效通风。 进料通道作为压力通道运行,泵具有可变容量,地下水路中的水位被控制为恒定。