DEVICE FOR MECHANICAL REMOVAL OF THE SEDIMENT FROM THE RADIAL-FLOW SETTLEMENT TANK Russian patent published in 2012 - IPC B01D21/18 

FIELD: waste-water treatment technology.

SUBSTANCE: invention relates to waste-water treatment technology in radial-flow settlement tanks by means of removal of suspended particles of insoluble matters from the waste water sedimenting on the settlement tank bottom; the device comprises the active carrier gear and the group of principle scrapers which have the kinematical connection to the active carrier drive and to one another and collectively form the blade on the bottom of the settlement tank; the device is provided with a group of additional scrapers distributed along the blade and kinematically connected to the active carrier drive, each of them is installed in front of the blade at the distance not less than the height of the principle scraper.

EFFECT: provision of the efficient treatment of the bottom of radial-flow settlement tanks with the minimal energy consumption.

1 cl, 5 dwg