PROCEDE ET DISPOSITIF POUR REPARTIR UNE BOUE A FILTRER SUR LA SURFACE SUPERIEURE DU BLANCHET D'UN FILTRE A COURROIE TOURNANTE

摘要

1529609 Feed device for belt filter NORDENGREN PATENTER AB 3 Sept 1976 [5 Sept 1975] 36542/76 Heading BID An apparatus for depositing sludge onto a filter surface of an endless-belt filter comprises a box having an open top 4 and a vertical partition 8 moveable vertically to form an adjustable gap between the lower edge of said partition and the upper surface of the bottom 5 of the box. Sludge filling the box on one side of the partition flows beneath the lower edge of the partition and over the top edge to provide two streams which unite on the other side of the partition and the united sludge stream which is maintained at constant solids content is discharged through exit 9 onto the filter belt. The device may distribute phosphoric acid manufacturing sludge.