Patent · US Expired

Apparatus for the thermal cracking of heavy hydrocarbon

US4147753A · kind A · utility

1Cited by
11References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 11, 1977
Grant dateApr 3, 1979
Priority date
Expiry dateNov 11, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G9/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

In a process for the thermal cracking of a heavy hydrocarbon in a cylindrical reactor, a portion of the content material in the reactor is taken out and injected back into the reactor according to a specific procedure to form a "wet wall" or liquid curtain on the inner peripheral wall of the reactor, thereby preventing coking in the reactor. The apparatus includes a radially outwardly extending interior annular recess around an upper portion of the inner wall thereof and forming a part of said inner wall and plural means for tangentially injecting the recycled liquid into said recess.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.