Seal system for a process vessel

Patent · Tue Aug 07 04:00:00 EDT 1990

OSTI ID:6470765

Whiteside, J D; Bichler, D F

This patent describes an apparatus. It comprises: a vessel having a generally cylindrical wall wherein the vessel is generally vertically oriented; a circular grid floor having a circumferential outer edge, the grid floor being disposed generally horizontally within the vessel. The grid floor being perforated for the passage of air therethrough; means for supporting the grid floor in a horizontal plane in a lower portion of the vessel, wherein the means for supporting the grid floor allows horizontal expansion of the grid floor relative to the vessel; means for forming a continuous annular space around the interior of the wall of the vessel for closely receiving the outer edge of the circular grid floor, and wherein the outer edge of the grid floor occupies less than 1/4 of volume of the annular space when the vessel is unheated; and a quantity of compressible packing material positioned in the annular space adjacent to the cylindrical wall and spaced apart from the outer edge of the grid floor so as to form an empty space therebetween when the vessel is unheated, and wherein the compressible packing material occupies essentially 1/2 of the volume of the annular space.

• Assignee: Phillips Petroleum Co., Bartlesville, OK (USA)
• Patent Number(s): A; US 4946655
• Application Number: PPN: US s 7-250797
• OSTI ID: 6470765
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
CHEMICAL REACTORS
DESIGN
SEALS