Method and apparatus for maximizing throughput of indirectly heated rotary kilns

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United States of America Patent

PATENT NO 9371486
APP PUB NO 20120292232A1
SERIAL NO

13565664

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
RALPH AND MYRNA COATES TRUST251 SOUTH SANDRUN ROAD SALT LAKE CITY UT 84103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coates, Ralph L Salt Lake City, US 5 77
Hatfield, Kent E Salt Lake City, US 4 41
Smoot, L Douglas Provo, US 3 28

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