| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation control device or the like for a pump facility preventing waste or the like from precipitating and accumulating in a feedwater pipe even if inflow rate is so low and the number of pumps which need to be operated is so small that flow velocity within the feedwater pipe is slow. SOLUTION: The operation control device includes a pump pit 50 for collecting water flowing therein, pumps P1 to P4 installed in the pump pit 50, and the feedwater pipe 55 for feeding to a predetermined location the water pumped up by the pumps P1 to P4. When a predetermined amount of water collects in the pump pit 50, the pumps P1 to P4 are operated to feed the water from the feedwater pipe 55 to the predetermined location. The operation control device operates the required number of pumps P1 to P4 for the flow velocity of water flowing in the feedwater pipe 55 at every predetermined time interval to reach a sweeping flow velocity or higher at which precipitations accumulated in the feedwater pipe 55 can be removed.
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