Non-peripheral blowing of oxygen-containing gas in steam generating boilers
Patent 4823710 Issued on April 25, 1989. Estimated Expiration Date: 
October 13, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 13, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 409285 1101925 1639642 1952227 2582808 2642019 3699903 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 InventorsAssigneeApplicationNo. 07/107174 filed on 10/13/1987US Classes:110/234, With boiler110/297, INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS110/302, Preheater110/309, And flow modifying means110/313, Feed nozzle110/348Supplying fluidExaminersPrimary: Favors, Edward G.Attorney, Agent or FirmInternational 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 | |
