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Combustion heater for oil shale

Patent ·
OSTI ID:6982536
; ; ;
A combustion heater for oil shale heats particles of spent oil shale containing unburned char by burning the char. A delayed fall is produced by flowing the shale particles down through a stack of downwardly sloped overlapping baffles alternately extending from opposite sides of a vertical column. The delayed fall and flow reversal occurring in passing from each baffle to the next increase the residence time and increase the contact of the oil shale particles with combustion supporting gas flowed across the column to heat the shale to about 650 to 700/sup 0/C for use as a process heat source.
DOE Contract Number:
W-7405-ENG-48
Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: DE84011299
OSTI ID:
6982536
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
040402* -- Oil Shales & Tar Sands-- Surface Methods
040600 -- Oil Shales & Tar Sands-- Products & By-Products
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COMBUSTION
COMBUSTORS
DECOMPOSITION
DESIGN
ENERGY
ENERGY SOURCES
FOSSIL FUELS
FUELS
HEAT
MATERIALS
OIL SHALES
OXIDATION
PROCESS HEAT
RETORTING
SPENT SHALES
THERMOCHEMICAL PROCESSES