F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/137
F02C 3/14 (2006.01) C10L 3/00 (2006.01) F02C 3/20 (2006.01) F02C 7/224 (2006.01)
Patent
CA 1116415
INVENTION: PROCESS AND APPARATUS FOR OPERATING A GAS TURBINE ON VAPORIZED FUEL OIL INVENTORS: WILLIAM WARREN HOEHING and MEHERWAN P. BOYCE ABSTRACT OF THE DISCLOSURE A system for operating a gas turbine includes a vapor- ized fuel oil unit to generate a gasiform hydrocarbon fuel and a liquid residue, and a turbine VFO fuel system for controlling and injecting the gasiform fuel into the combustor for burning in the presence of combustion air thereby giving increased power output and reduced noxious emissions. Basically, the process includes providing a supply of fuel oil, vaporizing a portion of the fuel oil in the VFO unit to produce a gasiform hydrocarbon fuel and liquid residue, injecting and burning the gasiform fuel in the combustor and then directing the combustion products to drive the turbine. In the system, the VFO unit, which is remote from the combustor, includes means for injecting steam and natural gas, both of which are non-oxidizing. The gasiform fuel is super- heated before injection into the combustor. The injection orifices of the nozzle are directed between a 30° and 60° angle from the center line of the combustor. During start-up, the turbine is initially operated by injecting natural gas with gradual switching to VFO until 100% gasiform fuel operation is attained. A heater jacket on the main fuel line maintains the superheat condition and minimizes the transition time during start-up.
318017
Boyce Meherwan P.
Hoehing William W.
Allied Corporation
Gowling Lafleur Henderson Llp
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