Recirculation Means Patents (Class 110/204)
Air supply means (Class 110/205)
  • Industrial boilers
    Patent number: 4080932
    Abstract: An industrial boiler installation, comprising an outer continuous shell within which is contained the water space of the boiler, a furnace and a plurality of smoke tubes for passage therethrough of the products of combustion of the furnace and the boiler having at least two fuel supply means, at least one of which extends through the shell and the water space, one of the fuel supply means supplying HCV fuel to the furnace and the other supplying LCV fuel to the furnace.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: March 28, 1978
    Assignee: Parkinson Cowan GWB Limited
    Inventor: Reginald Dennis Northcote