Particulate-analysis instrumentation for systems
Technical Report
·
OSTI ID:5352571
Leeds and Northrup Company has developed an optical instrument for in-situ measurement of particle loadings and size distributions in the product gas of fluidized-bed combustion systems. A prototype instrument was designed, constructed and then evaluated on bench-scale and pilot systems. This instrument utilizes low-angle forward scattering of light from particles illuminated by a laser. The instrument is not a particle counter. Rather, it collects scattered light continuously and simultaneously from all particles passing through the laser beam. The across-duct measurements of the scatter flux are converted to particle size and concentration data via an integral microcomputer. This instrument was tested on the Argonne National Laboratory fluidized-bed combustor and on the Small Gas Turbine system at the Curtiss Wright Corporation. Comparison of optical measurements show good correlation with data from cascade impactors. Thus, it is concluded that aerodynamic and optical sizing of particles are comparable, at least for those cases where the size distributions are log normal.
- Research Organization:
- Leeds and Northrup Co., North Wales, PA (USA)
- DOE Contract Number:
- AC01-76ET10374
- OSTI ID:
- 5352571
- Report Number(s):
- DOE/ET/10374-199; ON: DE82012464
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
42 ENGINEERING
421000 -- Engineering-- Combustion Systems
440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTORS
DESIGN
DISTRIBUTION
ENERGY SOURCES
FLUE GAS
FLUIDIZED-BED COMBUSTION
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
GASEOUS WASTES
LASERS
LIGHT SCATTERING
MATERIALS
MEASURING INSTRUMENTS
MONITORING
ON-LINE SYSTEMS
OPTICAL SYSTEMS
OXIDATION
PARTICLE SIZE
PARTICLES
PARTICULATES
SCATTERING
SIZE
THERMOCHEMICAL PROCESSES
USES
WASTES
014000* -- Coal
Lignite
& Peat-- Combustion
42 ENGINEERING
421000 -- Engineering-- Combustion Systems
440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTORS
DESIGN
DISTRIBUTION
ENERGY SOURCES
FLUE GAS
FLUIDIZED-BED COMBUSTION
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
GASEOUS WASTES
LASERS
LIGHT SCATTERING
MATERIALS
MEASURING INSTRUMENTS
MONITORING
ON-LINE SYSTEMS
OPTICAL SYSTEMS
OXIDATION
PARTICLE SIZE
PARTICLES
PARTICULATES
SCATTERING
SIZE
THERMOCHEMICAL PROCESSES
USES
WASTES