METHOD OF OPERATING A TEMPERATURE-CONTROLLED THERMOKINETIC MIXER FOR REGENERATING VULCANIZED RUBBER
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Mar 18, 2016
filing date -
Mar 18, 2016
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Abstract
A method of operating a temperature-controlled K-mixer for thermally and kinetically regenerating vulcanized crumb rubber is provided. The K-mixer includes a chamber and a shaft provided with a plurality of blades. The method includes the steps of inserting a mixture of vulcanized crumb rubber and a lubricant in the chamber of the K-mixer; heating the mixture by rotating the shaft of the K-mixer until the temperature of the mixture has reached a devulcanizing or regeneration temperature; cooling the mixture by reducing the rotational speed of the K-mixer and by circulating a cooling fluid in the shaft and in channels of the blades.
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