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US 4,512,956 AGranted
Digester
OwnerLee F. Robinson, Francesco Salimbeni +2inventors
InventorsLee F. Robinson, Francesco Salimbeni, Guiliano Porcari, Mario Dente
Life of this patent
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Abstract
A rotary digester comprises a shell having means at one end for entry of material to be digested and, at the opposite end, a liquids outlet surrounded by a solids outlets. The solids outlet has a screw which assists in preventing egress of unwanted liquid with the solids.
Claims12
A rotary digester for digesting solids comprising:
- an outer shell;
- means for entry of liquids and solids to be digested at one end of the shell;
- a tubular, axially extending outlet at the other end of the shell for discharge of liquids;
- a solids outlet at the same end as said liquids outlet, surrounding, but separated from, the liquids outlet;
- and
- a screw which surrounds the tubular liquids outlet to urge solids to and through the solids outlet, which screw is secured at its outer periphery to the shell.
3 more elements
Dependencies are inferred from the claim text.