Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1987-07-17
1989-01-03
Fisher, Richard V.
Liquid purification or separation
With means to add treating material
Directly applied to separator
210394, 210409, 210402, 439523, 439556, 138174, B01D 3338
Patent
active
047955589
ABSTRACT:
A shower pipe for a rotary drum filter includes first and second parallel rows of spray holes which extend along the length of the pipe. The holes in one row are staggered with respect to the holes in the other row, with both rows being positioned circumferentially in the same quadrant of the pipe. Each spray hole has its own separate fan-shaped diffusion flange extending in a generally parabolic curve from the adjacent hole. Each spray hole may be formed by a premolded plastic sleeve-like insert which is inserted through and seated within prebored holes in a section of the pipe. Each insert defines a spray hole or nozzle for discharging liquid under pressure from the pipe onto its associated diffusion flange. Each diffusion flange member may be premolded to include a female threaded upper portion which threads onto a male threaded projectng portion of the insert extending from the outer wall of the pipe.
REFERENCES:
patent: 2673763 (1954-03-01), Dunn
patent: 2826248 (1958-03-01), Angel
patent: 3080124 (1963-03-01), Rathmann
patent: 4130247 (1978-12-01), Healy
patent: 4168033 (1979-09-01), von Bernutt et al.
Fisher Richard V.
LaValley Industrial Plastics, Inc.
Millard Wanda L.
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