2 - 4 l D es c ri p ti o n
THE PROCESS (DRYING) CYCLE
The process blower pulls moist air from the top of the drying hopper. The air
passes through the process filter and aftercooler, then into the desiccant
wheel, where moisture is removed. The dry air is delivered to the hopper
(after it passes through the optional precooler, if installed) where a spreader
cone evenly distributes the air through the material.
H o w I t Wo r ks
The W dryer achieves continuous, closed loop drying by passing air simultaneously through
two heaters and a continuously rotating desiccant wheel.
THE PROCESS (DRYING) CYCLE
The process blower pulls moist air from the top of the drying hopper. The air passes
through the process filter and aftercooler into the desiccant wheel, where moisture is
removed. The now dry air moves through the optional precooler (if installed) and process
heater, where it is heated to the drying temperature selected by the operator. The hot, dry air
is delivered to the hopper where a spreader cone evenly distributes the air through the mate-
rial.
The Cooling Cycle
Regenerated desiccant must be cooled before it rotates back into the process cycle. The
process blower pushes a small amount of air through the cooling section of the desiccant
wheel. The cooling air then passes through the aftercooler and repeats the circuit.
The Regeneration Cycle
The regeneration blower pulls air through the regeneration filter into the dryer’s regeneration
heater. The air is heated to 350° F {177° C} before it is pushed into the “wet” section of the
wheel. The hot air purges moisture from the desiccant. The moist air is blown out the
exhaust at the back of the dryer.
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