Reduction in oil use in coal-fired utility boilers
Conference
·
· Am. Soc. Mech. Eng., (Pap.); (United States)
OSTI ID:5246551
The incentive to reduce oil consumption in coal-fired power plants for boiler warm-up and low load stabilization has increased in recent years with escalation of oil prices and uncertainty in oil supply. Current boiler manufacturer and utility practices to decrease oil use in power plants are discussed. Possible fire-side techniques and methods to increase coal utilization for warm-up and stabilization are described, including direct, semidirect, indirect and coal-derived alternate fuels. Burner modifications, ignitor replacement, small pulverizer installation, existing pulverizer operation changes and methane assist are included in the presentation of direct-fired systems. Coal gasification and coal-water slurries are also considered for plant retrofit to reduce oil consumption. A brief discussion of pulverized coal ignition and combustion stability is presented as background for comparison of the systems considered.
- Research Organization:
- Mechanical and Chemical Engineering, Brigham Young University, Provo, Utah
- OSTI ID:
- 5246551
- Report Number(s):
- CONF-830905-
- Conference Information:
- Journal Name: Am. Soc. Mech. Eng., (Pap.); (United States) Journal Volume: 83-JPGC-PWR-45
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
200100* -- Fossil-Fueled Power Plants-- Power Plants & Power Generation
29 ENERGY PLANNING, POLICY, AND ECONOMY
294000 -- Energy Planning & Policy-- Fossil Fuels
ALKANES
BOILERS
BURNERS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
COMBUSTION
COMBUSTORS
COMPARATIVE EVALUATIONS
DISPERSIONS
ENERGY CONSUMPTION
ENERGY SOURCES
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUEL CONSUMPTION
FUEL ECONOMY
FUEL OILS
FUEL SLURRIES
FUEL SUBSTITUTION
FUELS
GASIFICATION
HYDROCARBONS
HYDROGEN COMPOUNDS
IGNITION
LIQUID FUELS
MATERIALS
METHANE
MIXTURES
MODIFICATIONS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
POWER PLANTS
PULVERIZERS
RETROFITTING
SLURRIES
STABILITY
SUSPENSIONS
THERMAL POWER PLANTS
THERMOCHEMICAL PROCESSES
WATER
200100* -- Fossil-Fueled Power Plants-- Power Plants & Power Generation
29 ENERGY PLANNING, POLICY, AND ECONOMY
294000 -- Energy Planning & Policy-- Fossil Fuels
ALKANES
BOILERS
BURNERS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
COMBUSTION
COMBUSTORS
COMPARATIVE EVALUATIONS
DISPERSIONS
ENERGY CONSUMPTION
ENERGY SOURCES
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUEL CONSUMPTION
FUEL ECONOMY
FUEL OILS
FUEL SLURRIES
FUEL SUBSTITUTION
FUELS
GASIFICATION
HYDROCARBONS
HYDROGEN COMPOUNDS
IGNITION
LIQUID FUELS
MATERIALS
METHANE
MIXTURES
MODIFICATIONS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
POWER PLANTS
PULVERIZERS
RETROFITTING
SLURRIES
STABILITY
SUSPENSIONS
THERMAL POWER PLANTS
THERMOCHEMICAL PROCESSES
WATER