Chongqing Q Lu

age ~77

from Jersey City, NJ

Also known as:
  • Chong Q Lu
  • Qing Lu Chong

Chongqing Lu Phones & Addresses

  • Jersey City, NJ
  • East Hanover, NJ
  • Garden City, NY

Us Patents

  • Topping Combustor For Low Oxygen Vitiated Air Streams

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  • US Patent:
    59504170, Sep 14, 1999
  • Filed:
    Mar 20, 1998
  • Appl. No.:
  • Inventors:
    Chongqing Lu - East Hanover NJ
    Zhen Fan - Parsippany NJ
  • Assignee:
    Foster Wheeler Energy International Inc. - Clinton NJ
  • International Classification:
    F02C 726
    F02C 900
  • US Classification:
    60 3906
  • Abstract:
    A multi-stage topping combustor unit having rich burn, and lean burn zones followed by a quench/dilution zone. Combustible fuel gas is supplied only to the rich burn zone, and an oxygen-containing air-flue gas mixture is supplied to all three zones in a fixed flow proportioning that establishes a desired temperature profile through the combustor unit that minimizes combustor NOx and CO emissions. The combustor unit casing is cooled by an augmented air and oxygen stream discharged into the rich burn zone only, or into both the rich and lean burn zones. The cooling air flow is regulated by a control device/valve that allows the cooling air flow, and hence the augmenting oxygen entering the rich burn zone or the rich and lean burn zones, to be reduced as the fuel gas flow/firing temperature is reduced. The concurrent reduction of the cooling air and fuel gas flows enables the combustor unit temperature distribution and NOx and CO emissions to be controlled as gas turbine firing temperature and power output are reduced.

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