Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1982-06-17
1984-02-14
Hruskoci, Peter A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
2105121, 55432, B01D 2320
Patent
active
044315350
ABSTRACT:
A centrifugal separator system for use in purifying drilling mud comprises a generally conical centrifugal separator into which drilling mud to be cleaned is introduced under pressure tangentially to cause centrifugal material flow. A vacuum generated within the center of the separator in response to centrifugal material movement draws lighter cleaned mud and drilling fluid upwardly to a discharge pipe which may lead to a remote drilling mud location. Heavier solids cleansed from the mud drop to the bottom of the centrifuge, settling on an output orifice closure valve. The valve is pivotally connected to the centrifuge whereby to close the output orifice until a preselected weight of material accumulates thereon. In order to prevent deleterious effects from suction variance, a single venting vacuum locking slot of a predetermined width is defined within the body of the orifice closure valve. The valve height is between one fourth and one half of the valve base diameter, and preferably the cone angle is thirty-three degrees. The slot width is between one thirtieth and one sixteenth of the valve base diameter, and preferably the slot length is between 0.3 and 0.6 of said valve base diameter.
REFERENCES:
patent: 2806599 (1957-09-01), Patrick
patent: 3213879 (1965-10-01), Thompson
patent: 3243043 (1966-03-01), Thompson et al.
patent: 3546854 (1970-12-01), Muller
Carver Stephen D.
Hruskoci Peter A.
Millard Wanda L.
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