Abstract
In order to clarify the moisture transfer mechanism, moisture distribution across the oven width at the early stage of carbonization has been investigated using the test coke oven with the upper heating wall. There is a region having a maximum moisture content below 100°C because of moisture condensation. Subsequently, as temperature is elevated close to 100°C, remarkable moisture vaporization has taken place so that the moisture in coal decreases rapidly. However, there remains a little moisture in coal beyond 100°C.Two dimensional coke oven mathematical model was hence updated by introducing this moisture transfer mechanism.
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