Supports for stacked fractionation tray end pieces

Details Supports for stacked fractionation tray end pieces Supports for stacked fractionation tray end pieces

1999-03-24

2000-08-01

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Wet baffle

202158, B01F 304

Patent

active

06095504&

ABSTRACT:
A novel fractionation column (1) internal structure consists of bundles of fractionation trays in which each upper tray rests upon the next lower tray. Only the lowermost tray of the bundle is supported by the column wall. Preferably the downcomers (13) of the upper tray rest upon the tops of the downcomers (13) of the next lower tray. The two crescent-shaped terminal decking sections (19) on opposite edges of the tray are supported from below by arch-shaped structures (17) anchored to the next lower tray.

REFERENCES:
patent: 3179389 (1965-04-01), Nutter
patent: 3410540 (1968-11-01), Bruckert
patent: 3440018 (1969-04-01), Eckert
patent: 4159291 (1979-06-01), Bruckert et al.
patent: 5244604 (1993-09-01), Miller et al.
patent: 5407605 (1995-04-01), Resetarits et al.
patent: 5547617 (1996-08-01), Lee et al.
Resetarits, M.R., Miller, R.J., Increase demethanizer efficiency and capacity, Hydrocarbon Processinig, Oct. 1991.
Nutter Engineering, Package Trays for Pipe-Size Process Vessels, Bulletin PT-1, Undated.

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