REMOVING A SURFACE LAYER FROM A LIQUID

摘要

1491324 Removing floating matter PATERSON CANDY INTERNATIONAL Ltd 25 May 1976 [28 July 1975] 31403/75 Heading B1D Floating matter is discharged from flotation tank 2 over pivoted weir 5 into box 4, the weir 5 being biassed towards its vertical position by counterweight 8. The weir may comprise a flat and a curved portion, one edge of the flat portion being pivoted. Liquid spraying pipes may be positioned along opposite sides of the tank 2 to aid the flow of matter to weir 5.