Advancing the art of boiler design by combining operating experience and advanced coal evaluation techniques
This paper reports on the development of more sophisticated coal analysis procedures to supplement the existing coal technology base established from boiler operating experience and standard ASTM tests. Topics considered include coal use, pulverizer wear potential, a boiler tube erosion-ash erosion test facility, ash deposition in the furnace (slagging), verifying the slagging potential in the Fireside Performance Test Facility (FPTF), furnace wall depsit removal, ash deposition in the convection sections (fouling), ''active'' sodium-weak acid leaching, fouling tests and heat transfer studies, the effect of flame temperature on fouling, coal combustion, qualitative evaluation using thermogravimetric analysis, quantitative evaluation using the drop tube furnace system, firing conditions, and coal specification. It is concluded that significant recent developments in coal evaluation techniques have provided a greatly increased understanding of fuel properties and their effects on boiler operation. Includes 8 tables, 4 diagrams, and 6 photos.
- Research Organization:
- Utility Proposal Engineering, C-E Power Systems, Windsor, CT
- OSTI ID:
- 6545852
- Report Number(s):
- CONF-830446-
- Journal Information:
- Proc. Am. Power Conf.; (United States), Journal Name: Proc. Am. Power Conf.; (United States) Vol. 45; ISSN PAPWA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
014000 -- Coal
Lignite
& Peat-- Combustion
42 ENGINEERING
421000* -- Engineering-- Combustion Systems
ASHES
BOILERS
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
COAL
COMBUSTION
CONVECTION
DESCALING
DESIGN
DISSOLUTION
ENERGY SOURCES
ENERGY TRANSFER
EROSION
FLAME PROPAGATION
FOSSIL FUELS
FOULING
FUELS
FURNACES
GRAVIMETRIC ANALYSIS
HEAT TRANSFER
LEACHING
MATERIALS
MATERIALS TESTING
OXIDATION
PERFORMANCE TESTING
PULVERIZERS
QUANTITATIVE CHEMICAL ANALYSIS
RESIDUES
SCALING
SEPARATION PROCESSES
SLAGS
SPECIFICATIONS
SURFACE FINISHING
TESTING
THERMAL ANALYSIS
THERMAL GRAVIMETRIC ANALYSIS
THERMOCHEMICAL PROCESSES
TUBES
WALLS
WEAR