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CAT NO: DIDACTICNLE-Export-210043
Drum Cell Filter- Engineering Lab Training Systems.
Technical Description
Drum cell filters can be used to separate solids continuously from suspensions.
The
suspension unit produces a suspension of diatomite and water. A pump
conveys the suspension into the suspension tank of the drum cell filter.
A stirrer keeps the solid particles in the suspension suspended. Part
of the rotating drum dips into the suspension. The jacket of the drum is
perforated and covered over with a filter cloth. The drum is divided
into cells. Each cell is joined by a hollow shaft to a vacuum line. The
vacuum sucks filtrate through the filter cloth into the drum. From there
it is carried in an collector tank which is under vacuum. The solid is
separated off at the filter cloth. Consequently, a filter cake which
steadily grows in the direction of rotation is created on the immersed
part of the drum. When the filter cake is drawn out of the suspension by
the rotating motion, it is drained of water by the applied vacuum. A
scraper scrapes the filter cake off of the drum before the drum dips
back into the suspension. Compressed air can also be used to remove the
filter cake. The filter cake drops into a collector tank.
The
flow rate of the supplied suspension is adjusted on the suspension unit.
The level in the suspension tank of the drum cell filter can be
adjusted by way of an adjustable overflow. The applied vacuum is
indicated by a manometer on the vacuum tank. The rotation speed of the
drum is infinitely variable.
Compressed air and vacuum connections are required to operate the trainer.
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