DEVICE FOR SEDIMENT, FOR EXAMPLE SAND, REMOVAL FROM SEWAGE Russian patent published in 2003 - IPC

FIELD: sewage disposal plants. SUBSTANCE: invention relates to the sewage disposal plants and may be, in particular, used for removal of sand from sewage. The device for cleaning and sediment removal is made in the form of a framework pivotally linked by its four points with two pairs of disks symmetrically mounted on two located in parallel axes. To a frame on the part of a bottom of the settler Scrapers with a step of no more than a diameter featured by the hinge of the link located on the discs are fixed to the framework from the side of the settler bottom. . The velocity vector of the lowermost point of the scrapers is directed in parallel to the plane of the settler bottom aside the pit. The settler has an inclined plane passing from the pit up to the settler upper level. Control over the device drive is exercised by the drive automatic control unit. EFFECT: increased reliability and efficiency of the device operation. 3 cl, 4 dwg