Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1985-01-22
1986-09-16
Adee, John
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210739, 210 961, 210101, 210401, B01D 3302
Patent
active
046121234
ABSTRACT:
This invention relates to an improvement in a regulating apparatus for a dewatering machine, in particular a double strainer dewatering machine (sieve belt press), with one or more control circuits, for instance a flocculant control circuit and/or a flow rate control circuit, or a straining rate control circuit, to adapt to sludges or suspensions with varying dewatering properties, the improvement comprising means employing the rate of freely draining filtrate in the strainer zone as the criterion value for the flocculant control circuit.
REFERENCES:
patent: 3605775 (1971-09-01), Zaander et al.
patent: 3815749 (1974-06-01), Bondarev et al.
patent: 4198298 (1980-04-01), Zuckerman
patent: 4226714 (1980-10-01), Furness et al.
patent: 4267060 (1981-05-01), Miller
patent: 4336143 (1982-06-01), Abbott
patent: 4341628 (1982-07-01), Fujinami et al.
Eustacchio Peter
Perchthaler Heinz
Syrowatka Rupert
Adee John
Maschinenfabrik Andritz Actiengesellschaft
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