Installation for low-temperature carbonization of waste and impure materials
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United States of America Patent
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Mar 20, 1990
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N/A
app pub date -
Sep 9, 1988
filing date -
Sep 12, 1987
priority date (Note) -
Expired
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Abstract
An installation for the low temperature carbonization of waste under the exclusion of air with a low temperature carbonization cylinder, in particular device for after-burning of residual materials for the low-temperature carbonization installation, has an improved energy balance by carrying out a low-temperature carbonization so as to increase the ratio of internal energy requirement to energy release in favor of energy release. The carbon containing residual materials from the low-temperature carbonization cylinder are exposed to a complete after-burning on an inclined step grate and also a subsequent after-burning in a chamber. The burning gases for the burning devices of the step-grate are low temperature carbonization gasses obtained from the low-temperature carbonization installation. Gases from a waste heat boiler arranged after the after-burn chamber are utilized as heating gases for a low-temperature carbonization installation cylinder. After-burning of the residual material follows a low-temperature carbonization installation for low-temperature carbonization of waste and impure materials.
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