Liquid purification or separation – Structural installation – Closed circulating system
Patent
1986-06-19
1987-06-02
Castel, Benoit
Liquid purification or separation
Structural installation
Closed circulating system
210188, 2101953, 210253, 210260, 2105122, 210787, 209211, B01D 2126
Patent
active
046701397
ABSTRACT:
A machine for cleaning drilling muds by removing entrained solids and impurities and returning cleansed and for recycling. The machine comprises a centrifuge desander operatively connected to a plurality of cooperating conical desilters to remove gases and separate materials of varying densities. Initially muds containing solid materials are pumped at a controlled pressure from the cleaning bed into an initial cyclone chamber, where, under increasing centrifugal force, the processed mud is separated into relatively heavier and lighter components, which are transmitted via separate pathways to twin chambers in the lower level compartment of a particle separating drum. The first chamber of the drum receives heavier materials and transmits them to a large desander cone where the heaviest impurities are removed; the second drum chamber receives the lighter components which are further separated and delivered to a network of desilter cones which output properly cleansed mud. The purified output of the large densander cone is transmitted directly back into the cleaning bed reservoir, and "dirty" mud is thus recycled continuously until "clean enough" to escape the loop by exiting through the desilter cones. Freed air and gasses are discharged at controlled rates to be burned or dispersed into the environment through a third stage, which is in fluid flow communication with the initial stage and the desilter stage. Through the gas removal construction disclosed, the efficiency of the various stages of the cleaning processes is increased, and drilling mud losses are minimized.
REFERENCES:
patent: 2886287 (1959-05-01), Croley
patent: 2919898 (1957-08-01), Marwil et al.
patent: 2923151 (1960-02-01), Engle et al.
patent: 3237777 (1962-06-01), Brown et al.
patent: 3303895 (1967-02-01), Fontenot
patent: 4571296 (1986-02-01), Lott
Spruiell Jerry L.
Spruiell Walter L.
Carver Stephen D.
Castel Benoit
Jordan Richard D.
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