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How Conveying Works
When the conveying function is turned on, the MDC uses dry air to move material
from the drying hopper to the process machine as it is needed.
4 Material enters the vacuum receiver and falls into the
receiver and viewing chamber. The blower pulls air through
the vacuum receiver filter into the return air conveying line.
1 Dry material drops into the
distribution box when the slide
gate on the drying hopper is
opened.
2 When the conveying
function is turned on,
the conveying blower
starts.
6 The dust collector traps
dust and fines before the
returning air reaches the
blower.
3 Positive and negative air
flow generated by the
blower moves the material
from the distribution box
beneath the drying hopper
to the vacuum receiver.
5 The conveying blower runs until the
load time set at the MDC control is
reached. When the material level drops
below the demand sensor, the sensor
signals for more material. The
conveying blower turns on again.
Central
When config-
ured as a cen-
tral dryer, the
MDC option is
not available.
Appendix l G-3