Device with at least one storage container for material to be tr

Details Device with at least one storage container for material to be tr Device with at least one storage container for material to be tr

1996-08-23

1999-04-27

Kilner, Christopher B.

Drying and gas or vapor contact with solids

Apparatus

With automatic control

34473, 34 80, F26B 1900

Patent

active

058966757

ABSTRACT:
A device has at least one storage container for material to be treated with at least one inlet line and at least one return line for circulating process air therethrough. At least one heating device for heating the process air is provided as well as at least one blower for circulating the process air. A control device for receiving a nominal dew point value is provided. At least one dew point measuring device is connected to the control device for measuring the actual dew point of the process air and transmitting the actual dew point value to the control device. A first mixing valve is connected either to the inlet line or to the return line. The control device controls the first mixing valve by comparing the actual dew point value to the nominal dew point value and sending a respective control signal to the first mixing valve such that the process air has a dew point corresponding to a specific nominal, residual moisture-dependent air dew point of the material to be treated.

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patent: 5566468 (1996-10-01), Graeff

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