Patent ID: 8726535
Filing Date: 2014-05-20
Classification: F26B

Abstract:
1. A method of drying of a product in a drying bin from an initial moisture content to a final moisture content with heated air and drying pressure comprising: a. deriving a correlation between a target exhaust temperature rate and a target drying rate for the product; b. during a first portion of a drying period, assigning a set point for the target exhaust temperature rate by measuring actual exhaust temperature and determining when exhaust temperature is stabilized; c. for a second portion of the drying period, measuring actual exhaust temperature, comparing measured exhaust temperature to the target exhaust temperature rate at or near the measurement time and adjusting heated air and/or drying pressure based on the comparison to influence measured exhaust temperature to follow the target exhaust temperature rate; and d. estimating product moisture content for a current time during the second portion of the drying period by: