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Pulsing feeder discharge damping
Top view
① baffle
② conveyor discharge
③ slats
In-feed/discharge air pressure
① to common dust
collector
SITRANS WF100
Operating Instructions, 08/2021, A5E51108132-AA
• install a temporary holding bin to receive pulsing material
discharge from a feeder. Then the material is gravity fed from
the bin to the flowmeter flowguide.
• provide manual or automatic control to ensure the holding bin
is neither emptied nor overfilled while the feeder is in
operation.
• bin could also be used for the integrator on-line calibration, (if
so equipped). Refer to the integrator instruction manual for bin
requirements.
• for drag conveyors, use a baffle plate installed at the conveyor
discharge to reduce the heavy material pulsing associated with
this type of feeder
• Vent the in-feed and discharge chutes to a common dust
collector if a material in-feed/discharge differential air pressure
is anticipated and rotary airlock feeders are not used.
• A tuning gate can be installed in each vent to balance the air
pressure.
• If a dust collector is not used, an air bypass chute can be
installed between the flowmeter in-feed and discharge chutes.
Description
3.1 Material feed examples
17
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