Patent ID: 8221591
Filing Date: 2012-07-17
Classification: C10B

Abstract:
1. A delayed coking unit having a coking drum comprising an upper cylindrical portion and a lower frusto-conical portion joined to the upper cylindrical portion, the drum being supported by means of: a cone support member which comprises a complete cone frustum around the lower portion of the drum surrounding the cone frustum of the lower portion of the drum and has a support face comprising a concave frusto-conical surface mating with the outer convex cone frustum of the lower portion of the drum to receive the lower portion of the drum with a layer of high-temperature, heat-insulating material between the lower portion of the drum and a bearing surface of the support member and (ii) a weight supporting structure comprising a upstanding circular skirt in the form of an open-ended cylinder attached to the cone support member intermediate the upper and lower edges of the cone support member.