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Low NO/sub x/ heavy fuel combustor concept program. Phase 1A: combustion technology generation coal gas fuels. Final report

Technical Report ·
OSTI ID:5063910
Combustion tests of two scaled burners using actual coal gas from a 25 ton/day fluidized bed coal gasifier are described. The two combustor configurations studied were a ceramic lined, staged rich/lean burner and an integral, all metal multiannual swirl burner (MASB). The tests were conducted over a range of temperature and pressures representative of current industrial combustion turbine inlet conditions. Tests on the rich lean burner were conducted at three levels of product gas heating values: 104, 197 and 254 btu/scf. Corresponding levels of NO/sub x/ emissions were 5, 20 and 70 ppmv. Nitrogen was added to the fuel in the form of ammonia, and conversion efficiencies of fuel nitrogen to NO/sub x/ were on the order of 4 percent to 12 percent, which is somewhat lower than the 14 percent to 18 percent conversion efficiency when SRC-2 liquid fuel was used. The MASB was tested only on medium btu gas (220 to 270 btu/scf), and produced approximately 80 ppmv NO/sub x/ at rated engine conditions. Both burners operated similarly on actual coal gas and erbs fuel, and all heating values tested can be successfully burned in current machines.
Research Organization:
Westinghouse Electric Corp., Concordville, PA (USA). Combustion Turbine Systems Div.
OSTI ID:
5063910
Report Number(s):
NASA-CR-165614; DOE/NASA-0146-2
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
014000 -- Coal
Lignite
& Peat-- Combustion
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
200202 -- Fossil-Fueled Power Plants-- Waste Management-- Noxious Gas & Particulate Emissions
AIR POLLUTION ABATEMENT
AMMONIA
BURNERS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
COAL GASIFICATION
COMBUSTION
COMBUSTION CHAMBERS
COMBUSTION HEAT
COMBUSTION PRODUCTS
COMBUSTORS
CONVERSION
DESIGN
EFFICIENCY
ENERGY
ENERGY CONVERSION
ENGINES
ENTHALPY
FLUIDIZED BED
FLUIDS
GAS TURBINE ENGINES
GASES
GASIFICATION
HEAT
HEAT ENGINES
HYDRIDES
HYDROGEN COMPOUNDS
INTERNAL COMBUSTION ENGINES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE TESTING
PHYSICAL PROPERTIES
POLLUTION ABATEMENT
PRESSURE GRADIENTS
REACTION HEAT
TEMPERATURE GRADIENTS
TESTING
THERMAL EFFICIENCY
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES