JIGGING MACHINE Russian patent published in 1997 - IPC

FIELD: mineral concentration. SUBSTANCE: jigging machine has cylindro-conical body with screen, pulsator jig, devices for producing centrifugal field, made in form of cylindrical chambers with feed tangential and draining branch pipes and unloading devices for the oversize and the undersize. Jigging machine is provided with horizontal ring with round holes and an additional device for producing centrifugal field made in form of hollow cylinder installed coaxially with gap above screen in cylindrical part of the body with collector of overflow in its upper part. Upper edges of the body are connected with additional device for producing centrifugal field. The main devices for producing centrifugal field are installed on the horizontal ring for communication through round holes with the body. Drain branch pipes of the main devices for producing centrifugal field are tangentially connected with hollow cylinder. EFFECT: higher efficiency. 1 dwg, 1 tbl