The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 1986
Filed:
Jan. 22, 1985
Applicant:
Inventors:
Assignee:
Maschinenfabrik Andritz Actiengesellschaft, Graz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210709 ; 210739 ; 210 961 ; 210101 ; 210401 ;
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.