Patent ID: 7416523

Claim:
A separator for the clarification or separation of liquids, comprising: a double-cone drum having a metal conical drum top part and a metal conical drum bottom part, the drum top part and the drum bottom part being made as metal plates and the double-cone drum having a largest inside diameter greater than 1000 mm; a disk stack including a stack of conical separating disks arranged in the double-cone drum; at least the drum bottom part, relative at least to an outer surface of the drum and in an axial direction, having at least two drum shell sections with different outer angles of taper with respect to an axis of rotation of the double-cone drum; and wherein the drum top part and the drum bottom part include metal sheets which are shaped to form a conical pipe piece with a closed circumference and, in an area of a longitudinal seam, are closed by welding.