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onto the screw shaft. Press cake is stripped away by studs on the face of the cone.
These studs are in an axial position parallel to the screw shaft.
The rotating cone can serve multiple functions. By stripping the cake away it can
prevent either jamming or purging. Its use generally results in wetter press cake
and lower motor amps. Most commonly it is used when all the press cake tends to
channel out past one side of the cone. It is invaluable in situations where press
cake props open the cone and allows un-pressed material to purge.
The cake will tend to co-rotate with the screw when the cone is rotating. A spin-stop bar,
welded to the inside-bottom of the cake discharge spout, prevents this.
Positioning the drive collar limits the maximum opening of the cone. If a large amount of
cake comes form the press, the cone can run into the drive collar and for it to slip along
the screw shaft.
If the cake comes out too wet, shorten the length of the studs on the face of the cone.
Disconnect the rotating cone by removing the drive pins and/or drive collar.
DRIVE COLLAR AND DRIVE PINS FOR KP STYLE ROTATING CONE
INTERMITTENT OPERATION
In the case of intermittent operation, it is recommended that the control panel for
the feed pump or conveyor which feed the press should have a timer. This timer
should be set to have the press run for two minutes after the feed pump (or
conveyor) shuts off. This will partially clear the press so that it will not trip out on
overload when it is re-started. (This applies in high torque applications or in
installations where the material in the press dries out or freezes.)
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