Liquid purification or separation – Flow – fluid pressure or material level – responsive
Patent
1974-09-16
1976-05-25
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
210138, 210195S, 210294, 210512R, B01D 2124
Patent
active
039591395
ABSTRACT:
An improved hydrocyclone clarifier for removing contaminants from a liquid, wherein the contaminants are of higher density than the liquid. The cylindrical body, downwardly directed conical baffle, clean flow outlet at the top, and contaminated liquid return line at the bottom are provided as in prior devices of this type. In addition, an outflow line for contaminated liquid is provided on the side of the cylindrical body, and includes an adjustable orifice and flow rate or pressure sensor. Clogging is evidenced by a drop in flow or pressure and automatically initiates a cycle. Also, timing means is provided to initiate a purge cycle, if none has been performed in response to clogging within a predetermined time period. The improved hydrocyclone clarifier is also disclosed in a recirculating purification system including settling tanks.
REFERENCES:
patent: 1850483 (1932-03-01), Umont
patent: 2953248 (1960-09-01), Trolanos
patent: 3017767 (1962-01-01), Mossberg
patent: 3334516 (1967-08-01), Cerrone
patent: 3481118 (1969-12-01), Willis et al.
patent: 3540588 (1970-11-01), Estabrook
patent: 3563383 (1971-02-01), Hellquist et al.
Adee John
Filter Tech Inc.
McGuire Charles S.
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