Patents Examined by A. Makay
  • Apparatus for regulating airflow to a chemical recovery boiler
    Patent number: 4545308
    Abstract: A chemical recovery furnace (10) having air nozzles (12) is provided with apparatus (22) for keeping the nozzles clear of combustion product deposits, and also accurately controlling the airflow through such nozzles. Each nozzle has slots (20) in the sidewalls thereof, which slots are of decreasing width, the smallest width (38) being closest to the furnace. A plug (22) is slidable within each nozzle to control airflow, and also remove deposits from within the nozzle.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: October 8, 1985
    Assignee: Combustion Engineering, Inc.
    Inventor: Theodore R. Zaterka