Liquid purification or separation – Filter – Movable medium
Patent
1986-05-02
1987-09-22
Sever, Frank
Liquid purification or separation
Filter
Movable medium
210404, B01D 3308
Patent
active
046953817
ABSTRACT:
A filter for continuous filtering of suspension under pressure includes a pressure vessel, a shaft rotatably journalled in the pressure vessell and disc filters elements arranged on the shaft. The filter elements are composed of sectors and inlet filtrate channels in each sector are connected to axially extending channels in the shaft, one axial channel for each sector. The axial channels are connected to a filtrate valve formed to divide the filtering cycle corresponding to one rotation revolution for the filter elements in a number of filtering zones, at least one in liquid phase and one in gaseous phase. A separate filtrate outlet from the pressure vessel is connected to each filtering zone and means is controlling the difference pressure over the filtering zones independent of each other.
REFERENCES:
patent: 4328099 (1982-05-01), Krappmann et al.
AB Hedemora Verkstader
Sever Frank
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