FLOTATOR Russian patent published in 1999 - IPC

FIELD: equipment for plants of sewage water aeration and biological treatment. SUBSTANCE: the offered flotator has reservoir with central feed pipe provided with radial perforated pipes, foam receiving trough, clarified water receiving trough, perforated pipes for air supply. Pipe perforations are made from one side on side generating line. It is good practice to provide the reservoir periphery part with clarification chamber formed by external and internal conical partitions. Internal partition forms gap with reservoir bottom. External partition has bypass ports and forms together with reservoir wall a chamber for collection of densified slurry. EFFECT: improved water clarification and productivity of flotator. 2 cl, 4 cl