Apparatus and method for controlling a drying cool-down cycle of

Details Apparatus and method for controlling a drying cool-down cycle of Apparatus and method for controlling a drying cool-down cycle of

1991-06-17

1992-11-10

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 48, 34 53, 34 55, 34133L, 34 44, F26B 300

Patent

active

051613140

ABSTRACT:
A dryer of the type having a burner for supplying a source of hot gas for drying material being tumbled. The apparatus provides a cool-down cycle for the dryer. A burner control circuit enables and disables the burner to supply hot gasses in accordance with a sequence which produces a substantially linearly decreasing temperature over time. At the end of the time interval a signal is generated indicating that the cool-down sequence has been completed. Each cool-down cycle starts from the same initial temperature as determined by the operator such that the final cool-down temperature for the same cool-down run time is the same.

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