Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent
1979-04-02
1980-08-19
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
With means for collecting escaping material
134 25R, B08B 304
Patent
active
042179165
ABSTRACT:
Apparatus for countercurrent washing of finely divided solids comprising a vertical tank divided by transverse plates into a plurality of superimposed compartments, a single opening in each plate, a rake in each compartment for scraping settled solids on the plate to the opening, an inlet in the uppermost compartment for introducing solids, an outlet in the bottom of the lowermost compartment for discharge of settled solids, a wash liquor inlet in a lower zone of the lowermost compartment, a wash liquor outlet in the uppermost compartment for liquid discharge and valves for regulating the rate of introduction of both solids at the top of the tank and wash liquor at the bottom. Tubular components may depend from the edge of the single opening in each plate.
REFERENCES:
patent: 3650830 (1972-03-01), Mathis
patent: 3741223 (1973-06-01), Kavera et al.
patent: 3801370 (1974-04-01), Porter et al.
Emmett, Jr. Robert C.
Tuttle Lawrence L.
Bleutge Robert L.
Envirotech Corporation
Finch Robert R.
Krebs Robert E.
MacDonald T. S.
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