Conical screen structure

Details Conical screen structure Conical screen structure

1979-07-20

1981-01-27

Yudkoff, Norman

Mineral oils: apparatus

Refining

With filtration

209281, 208 11R, 210499, 2103231, 196107, C10G 102

Patent

active

042469988

ABSTRACT:
An improved, multiple-well screen structure is provided which is especially adapted for use in a large scale reactor employed in oil shale processing operations. The screen includes a plurality of adjacent, juxtaposed concavities each presenting perforate sidewalls and a lower outlet opening. Preferably, the screen is circular in plan configuration and includes three sector-shaped (in plan) concavities respectively formed from cone sections. The sections are interconnected along arcuate, reinforced juncture lines to present a structurally sound material supporting, gas-pervious screen which can be easily and completely emptied using only gravity-induced material flow.

REFERENCES:
patent: 4088562 (1978-05-01), O'Ffill
patent: 4116779 (1978-09-01), Harris

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