Pocket screen assemblies for centrifugal separators and replacem

Details Pocket screen assemblies for centrifugal separators and replacem Pocket screen assemblies for centrifugal separators and replacem

1975-05-12

1976-05-18

Hart, Charles N.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

B01D 3910

Patent

active

039576523

ABSTRACT:
Milled screen units can be tack welded to existing pockets after the conventional screen has been removed or can be recessed into the top of modified pockets and tack welded. In both cases the construction of the screen unit permits minimal tack welding thus obviating the change in metallurgical structure normally present thereby reducing chemical fretting when used with active solutions and/or abrasive particles. The screen is formed from a cylinder in which the slits are milled. The sections are then cut from the cylinder and flattened so that the slits take up a cross sectional configuration having a narrow width on one side and gradually widening towards the other side thus preventing clogging during use.

REFERENCES:
patent: 2015141 (1935-09-01), Dustan
patent: 2419155 (1947-04-01), Orton, Jr.
patent: 2737086 (1956-03-01), Dustan
patent: 3401800 (1958-09-01), Stock

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