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Decanter program features 25
Decanter examples
The below examples depict the mechanical and electrical configuration of a Back drive
and Forward drive in a Decanter/Centrifuge application.
Back drive, variant A
Figure 7. Back drive, variant A decanter centrifuge
If Bowl motor is rotating in the forward direction, the Scroll motor must be rotating in the
reverse direction. This can be achieved by setting the below listed parameters in the
parameter group
. D1, D2, D3 and D4 are Bowl and Scroll drives as
represented in the above figure. The communication between the Scroll drive and Bowl
drive is maintained through DDCS (M/F) link.
WARNING!
Incorrect values may disturb the decanter operation resulting in
damages.
Bowl and scroll motors are mounted in opposite directions. Set one of the belt
roller diameter D3 or D4 to negative value.
Gearbox
D1
D2
D3
D4
Bowl
Bowl motor
Scroll motor
Back drive
Main drive
Supply network
Decanter Centrifuge
Scroll
Co
m
m
on DC l
ink
+
-
-
+