Dryers

Dryers 

Process Variable

Temperature, drying period surrounding Temperature 

Input and Output variable

Input

feed flow, input temperature of dry air, input mixture of solid and feed flow

Output

Dried product, moisture content , exhaust air temperature, The temperature of the air product, Exhaust air , humidity, product quality

Control objective

Maintaining of dried product quality, Maxima of throughout of optimal, energy efficiency and minimum cost, Stability of process

Manipulated variable

Heating rate, Solid feed rate, Air flow rate, rotational speed