Discharge and cleaning device for contaminated fluid in flotation process, comprises collecting chamber for flotation fluid over discharge slot, where two opposite facing helical conveyors are provided with drive

摘要

The discharge and cleaning device comprises a collecting chamber (4) for a flotation fluid over a discharge slot (6). Two opposite facing helical conveyors (9) are provided with a drive (17). An ascending channel (8) comes out from an over flow opening (7) at an ascending angle of about 45 degree, where a screw conveyor (10) is provided with a drive (18).