DEVICE AND A METHOD FOR EMPTYING A SEWER WELL, A SEWER WELL AND A RECEIVER OF A SEWER PUMPING STATION

摘要

A device for emptying a sewer well that comprises a lower relatively heavy fraction and an upper relatively light fraction, the device comprising a lower suction nozzle with a lower suction opening for removing the lower fraction, said lower suction nozzle being connected to a pump, characterized in that at a position remote from the lower suction nozzle the device comprises an upper suction nozzle for removing the upper fraction.