MICROFILTERING DEVICE Russian patent published in 1994 - IPC

FIELD: cleaning of wastes. SUBSTANCE: device incorporating case, drive shaft mounting parallel disks, and filtering barrier fixed between them has side surfaces of its disks provided with alternating projections and cavities forming appropriate contour of filtering barrier built up of shells concentrically installed on in other and attached through their upper edges to upper disk their lower edges being loose and joined together in cavity. Drive shaft is inclined at certain angle to other drive shaft and hinge-joined to the latter. Loading and unloading ports are placed between projections and cavities of disks. EFFECT: improved filtering capacity. 3 dwg