Ultra low flow rate liquid redistributor assembly for use in a l

Details Ultra low flow rate liquid redistributor assembly for use in a l Ultra low flow rate liquid redistributor assembly for use in a l

1985-12-02

1987-08-25

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Porous mass

B01F 304

Patent

active

046891838

ABSTRACT:
A redistributor assembly for a liquid-vapor contact tower including a liquid collecting apparatus, a ladder-type liquid redistributor disposed beneath the collecting apparatus, and at least one conduit in fluid communication connecting the collecting apparatus and the ladder-type redistributor. The assembly is capable of uniformly redistributing liquid within the liquid-vapor contact tower at ultra-low flow rates by impressing a high pressure on the liquid at the point where the liquid is just about to enter the assembly's redistribution outlets. The collecting apparatus is disposed sufficiently far above the ladder-type redistributor to provide the level of liquid in the conduit that produces the desired pressure head on the liquid within the ladder-type redistributor. As the liquid pressure varies with the height of the liquid in the conduit, the total flow rate of the liquid from the ladder-type redistributor varies proportionally to just match the flow rate of liquid being collected by the collecting apparatus. Plugging of the assembly's outlets by debris in the liquid entering the assembly is prevented while still redistributing the liquid. The collecting apparatus distributed the liquid uniformly during a liquid surge within the tower which the ladder-type redistributor can not handle.

REFERENCES:
patent: 3232590 (1966-02-01), Eckert
patent: 3281133 (1966-10-01), Eckert
patent: 3290024 (1966-12-01), Huber
patent: 3360246 (1967-12-01), Eckert
patent: 4432913 (1984-02-01), Harper et al.
patent: 4444696 (1984-04-01), Harper et al.
patent: 4476069 (1984-10-01), Harper et al.
patent: 4557877 (1985-12-01), Hofstedder

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