RWE Brown Coal Open-Cast Mine, Inden, Germany

THE PROJECT

Pumping surface water from the main level of the Inden open-cast mine into the receiving body of water.

COMPANY CARRYING OUT THE WORKS

RWE Power AG, Braunkohletagebau Inden

TSURUMI SUPERVISOR

THE PROBLEM

The surface water, which arises discontinuously from the complete Indem open-cast mine, is first taken up in the main level. From here it is pumped continuously into the receiving body of water. Requirement to be satisfied by the pump: maximum delivery performance at pressure variations from 3,5 to 4,5 bar.

THE SOLUTION

Use of a high-pressure pump of type LH855 with 55 kW. This delivers the water into the existing pressure line at the rate of 5,7 m3/min at a pressure of 3,5 bar. Since the Tsurumi pump can be operated not only vertically but also horizontally, it can be connected perfectly to the existing pressure line.

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