To provide a pumping installation and the operating method thereof capable of appropriately controlling the quantity of flow of a pump for taking-in seawater through a dust collector provided in a sea area.
This pumping installation 1 installed on a waterway for taking-in seawater 23 through the dust catcher 20 provided in the sea area for catching dust 30 to pass the seawater 23 through includes: a pump tank 2 for communicating with the waterway; a pump 4 of which a suction opening 3 is inserted into the pump tank 2; a pump tank water level measuring device for measuring a water level of the pump tank 2; a pump tank water level change rate calculating device 11 for calculating a change rate in the water level of the pump tank 2 from the water level of the pump tank 2 measured by the pump tank water level measuring device; and a pump flow rate control device 12 for controlling a flow rate of the pump 4 according to the water level of the pump tank 2 and the change rate in the water level of the pump tank 2.
ONO KAZUO
KONDO SHINICHI
TAKAHASHI HIROSHI
NAKAUCHI TAKASHI
NAKAYU KAZUFUMI
KODAMA RYOTA
KIJIMA NOBUO
| JPH07190679A | 1995-07-28 | |||
| JP2000027788A | 2000-01-25 |
Muranaka