Apparatus and method for flue gas recirculation in a solid fuel boiler
Method and apparatus for safely controlling explosions in black liquor recovery boilers Patent #: 4462319
ApplicationNo. 07/107174 filed on 10/13/1987
US Classes:110/234, With boiler110/297, INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS110/302, Preheater110/309, And flow modifying means110/313, Feed nozzle110/348Supplying fluid
ExaminersPrimary: Favors, Edward G.
Attorney, Agent or Firm
International ClassesF23L 9/02 (20060101)
F23L 9/00 (20060101)
F23L 7/00 (20060101)
AbstractIn a steam generating boiler having a bottom wall supporting a char bed and sidewalls with ports through which air is admitted for combustion of combustible species in the char bed and emanating therefrom, combustion is improved by introducing an oxygen-containing gas into a lower central zone of the boiler, from at least one point remote from the sidewalls to thereby cause intimate mixing of the oxygen contained in the gas with the combustible species.
Field of SearchWaste sulfite