Coal deactivation treatment device
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United States of America Patent
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Apr 11, 2017
Grant Date -
Dec 18, 2014
app pub date -
Dec 21, 2012
filing date -
Jan 6, 2012
priority date (Note) -
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Abstract
A coal deactivation treatment device for deactivating of coal by means of a treatment gas that is a mixture of air and nitrogen gas is provided with, among other things: a treatment column inside of which coal flows from the top to the bottom; treatment gas feed means, and the like, for feeding treatment gas to the inside of the treatment column; humidifying heaters for heating and humidifying the treatment gas such that the treatment gas fed to the inside of the treatment column can maintain a relative humidity of 35% or greater, even at 95° C.; a temperature sensor and a control device for adjusting the temperature inside the treatment column such that the inside of the treatment column is maintained at a relative humidity of 35% or greater and a temperature of 95° C. or lower.
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