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3.1. Gen eral
The con veyor hop per is used for the au to matic con vey ance of freely flow ing plas -
tic gran ules, regrind and pow der. The hop per can only func tion in con nec tion with
a multi-sta tion vac uum con vey ing sys tem.
The con veyor hop per func tions ac cord ing to the prin ci ple of suc tion con vey ance.
A high-per for mance tur bine pro vides for the vac uum that is re quired to con vey
the ma te rial into the sep a ra tor.
In the sep a ra tor the ma te rial is sep a rated from air by sev eral fil ter car tridges. Af -
ter the con vey ing time is fin ished the tur bine is switched off and the ma te rial emp -
tied.
The au to matic fil ter clean ing takes
place by ad just able com pressed-air
shocks (pulse du ra tion).
On the hop per, there is a sep a rate
on/off switch (A) and a func tion con -
trol ling de vice which in di cates the fol -
low ing op er a tional modes:
(B): lamp on - hop per switched on at
the on/off switch (A); lamp flashes -
the hop per is con vey ing
(C): lamp flashes - er ror
(D): lamp is on - hop per sig nals lack
of ma te rial
&
The fil ter-clean ing pro cess takes place dur ing the con vey ing
pro cess.
The fil ter car tridges are cleaned in ad just able in ter vals (time
in ter val).
526-3MS
SSP 5
Func tional de scrip tion 16
Con nec ti on hou sing hop per