Patents Represented by Law Firm Houston, TX 77252-2463
  • Interchangeable quench gas injection ring
    Patent number: 4859213
    Abstract: An apparatus for injecting quench gas (cooled syngas) through an injection ring located around the circumference of the gasifier exit duct and having ports in communication with the interior of said duct to achieve thorough mixing of the gasifier gas with the injected quench gas. Interchangeable rings having different configurations and dimensions of the ports may be used to accomodate various types of coal. The rings may be fabricated in sections for ease of maintenance and replacement.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: August 22, 1989
    Assignee: Shell Oil Company
    Inventor: Clifford C. Segerstrom