Structured packing module for use in a mass transfer column and method of assembly
a technology of structured packing and mass transfer column, applied in the field of columns, can solve the problems of deformation and disruption of structured packing sheets, process requires specialized equipment, and is more time-consuming than
Pending Publication Date: 2021-03-11
KOCH GLITSCH INC
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- Abstract
- Description
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- Application Information
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Benefits of technology
[0038]From the foregoing, it will be seen that this invention is one well adapted to attain all the ends and objectives hereinabove set forth together with other advantages that are inherent to the structure.
Problems solved by technology
The process of bending the end portion of each nail adds an extra step in the assembly process and may exert localized forces on the structured packing sheets that cause them to deform and disrupt the intended interaction of the vapor and liquid flowing through the structured packing module.
Another method of joining the structured packing sheets together uses screws, which tend to be more expensive than nails and, when overtightened, may cause deformation of the structured packing sheets.
Electric resistance welding has also been used to join the structured packing sheets together, but this process requires specialized equipment and is more time consuming than simply driving nails or turning screws.
Method used
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[0022]Turning now to the drawings in greater detail and initially to FIG. 1, a mass transfer column suitable for use in mass transfer or heat exchange processes is represented generally by the numeral 10. The mass transfer column 10 includes an upright, external shell 12 that may be cylindrical in configuration, although other configurations, including polygonal, are possible and are within the scope of the present invention. The shell 12 may be of any suitable diameter and height and may be constructed from one or more rigid materials that are desirably inert to, or are otherwise compatible with, the fluids and conditions present during operation of the mass transfer column 10.
[0023]The mass transfer column 10 may be of a type used for processing fluid streams, typically liquid or vapor streams, to obtain fractionation products or to otherwise cause mass transfer or heat exchange between the fluid streams. For example, the mass transfer column 10 may be one in which crude atmospher...
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A structured packing module for use in a mass transfer column. Corrugated sheets of structured packing in the structured packing module are held together by fasteners that extend into the corrugated sheets from opposite sides of the structured packing module at an angle of inclination or perpendicularly with respect to the sides of the structured packing module. The fasteners may have an outer surface with protrusions or indentations that resist removal of the fasteners from the structured packing sheets.
Description
BACKGROUND OF THE INVENTION[0001]The present invention relates generally to columns in which mass transfer and heat exchange occur and, more particularly, to structured packing modules that are used in such columns and a method for assembling the structured packing modules.[0002]Mass transfer columns are configured to contact at least two fluid streams to provide product streams of specific composition and / or temperature. The term “mass transfer column,” as used herein is intended to encompass columns in which mass and / or heat transfer is the primary objective. Some mass transfer columns, such as those utilized in multicomponent distillation and absorption applications, contact a gas-phase stream with a liquid-phase stream, while others, such as extraction columns, may be designed to facilitate contact between two liquid phases of different densities. Oftentimes, mass transfer columns are configured to contact an ascending vapor or liquid stream with a descending liquid stream, usua...
Claims
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IPC IPC(8): B01J19/32B01D3/00
CPCB01J19/32B01J19/325B01D3/008B01J2219/32255B01J2219/32217B01J2219/32275B01J2219/32244B01J2219/32272B01J2219/3221B01J2219/32213
Inventor HEADLEY, DARRAN
Owner KOCH GLITSCH INC