Vapor-liquid contacting apparatus and process with cross contacting
AssigneeUop LLC
InventorZhanping Xu
Life of this patent
Estimating the term…
Abstract
A high capacity and high efficiency co-current and cross-flow vapor-liquid contacting apparatus and process is useful in distillation columns and other vapor-liquid contacting processes. The apparatus is characterized by an arrangement of contacting modules and perforated receiving pans in horizontal stages. The modules define a co-current contacting volume and in an exemplary configuration the modules include a liquid distributor and a demister. Liquid dispensed from the modules on a perforated receiving pan are contacted with upflowing vapor through perforations therein.
Claims15
An apparatus for performing co-current and cross-flow vapor-liquid contacting, comprising:
- a plurality of stages each having at least one contacting module and at least one receiving pan;
- the at least one contacting module comprising a liquid distributor having an outlet proximate to a contacting volume and a demister having an inlet surface proximate to the contacting volume and an outlet surface superior to the at least one receiving pan;
- the at least one receiving pan having a flat perforated base, the at least one receiving pan of the stage downstream of said outlet surface of the demister for collecting liquid from the demister, wherein there is a liquid flow path though the contacting volume, the demister, and the receiving pan in series, and wherein there is a vapor flow path through the contacting volume in parallel with a vapor flow path through the receiving pan;
- and
- at least one duct in fluid communication with the at least one receiving pan and with an inferior liquid distributor;
- wherein the at least one receiving pan includes vertically extending perforated lips around the flat perforated base.
An apparatus for performing co-current and cross flow vapor-liquid contacting, comprising:
- a plurality of stages, having at least one contacting module and a receiving pan, the at least one contacting module comprising:
- a demister;
- a liquid distributor located adjacent the demister and providing a contacting volume therebetween and the liquid distributor having an outlet in fluid communication with the contacting volume;
- and
- the demister having an inlet surface in fluid communication with the contacting volume and an outlet surface upstream of the receiving pan of the stage for collecting liquid from the demister, wherein there is a liquid flow path though the contacting volume, the demister, and the receiving pan in series, and wherein there is a vapor flow path through the contacting volume in parallel with a vapor flow path through the receiving pan;
- and
- the receiving pan located adjacent the at least one contacting module, the receiving pan comprising a flat perforate base and having at least one duct in fluid communication with an inferior liquid distributor;
- wherein the receiving pan includes vertically extending perforated lips around the flat perforated base.
Dependencies are inferred from the claim text.