Method and apparatus for maximizing throughput of indirectly heated rotary kilns
Abstract
An apparatus and method for achieving improved throughput capacity of indirectly heated rotary kilns used to produce pyrolysis products such as shale oils or coal oils that are susceptible to decomposition by high kiln wall temperatures is disclosed. High throughput is achieved by firing the kiln such that optimum wall temperatures are maintained beginning at the point where the materials enter the heating section of the kiln and extending to the point where the materials leave the heated section. Multiple high velocity burners are arranged such that combustion products directly impact on the area of the kiln wall covered internally by the solid material being heated. Firing rates for the burners are controlled to maintain optimum wall temperatures.
- Inventors:
- Issue Date:
- Research Org.:
- COATES ENGINEERING, LLC, Salt Lake City, UT (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1258019
- Patent Number(s):
- 9371486
- Application Number:
- 13/565,664
- Assignee:
- COATES ENGINEERING, LLC (Salt Lake City, UT)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10B - DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
F - MECHANICAL ENGINEERING F27 - FURNACES F27B - FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
- DOE Contract Number:
- FG02-08ER84951
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Aug 02
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 04 OIL SHALES AND TAR SANDS; 01 COAL, LIGNITE, AND PEAT
Citation Formats
Coates, Ralph L, Smoot, Douglas L., and Hatfield, Kent E. Method and apparatus for maximizing throughput of indirectly heated rotary kilns. United States: N. p., 2016.
Web.
Coates, Ralph L, Smoot, Douglas L., & Hatfield, Kent E. Method and apparatus for maximizing throughput of indirectly heated rotary kilns. United States.
Coates, Ralph L, Smoot, Douglas L., and Hatfield, Kent E. Tue .
"Method and apparatus for maximizing throughput of indirectly heated rotary kilns". United States. https://www.osti.gov/servlets/purl/1258019.
@article{osti_1258019,
title = {Method and apparatus for maximizing throughput of indirectly heated rotary kilns},
author = {Coates, Ralph L and Smoot, Douglas L. and Hatfield, Kent E},
abstractNote = {An apparatus and method for achieving improved throughput capacity of indirectly heated rotary kilns used to produce pyrolysis products such as shale oils or coal oils that are susceptible to decomposition by high kiln wall temperatures is disclosed. High throughput is achieved by firing the kiln such that optimum wall temperatures are maintained beginning at the point where the materials enter the heating section of the kiln and extending to the point where the materials leave the heated section. Multiple high velocity burners are arranged such that combustion products directly impact on the area of the kiln wall covered internally by the solid material being heated. Firing rates for the burners are controlled to maintain optimum wall temperatures.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {6}
}
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