Structured Packing

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Structured Packing

CHSP Sheet Metal Packings

The most popular type of structured packaging is CHSP Sheet Metal Packing. The packaging has a lot of benefits including excellent mass-transfer efficiency.

In comparison to random packing of the same capacity, sheet metal packing provides a larger surface area per cubic meter. Each packing component is composed of several vertical corrugated layers with/without perforations. Within the element, the gas or liquid is dispersed and disseminated radially from layer to layer. The sheet metal’s surface texturing improves wettability and mass transfer even more when these components are installed as per standard installation procedure.

Features

Due to shorter columns, its high mass transfer surface area makes it appropriate for close boiling component distillation.
Its organised design ensures that there is no liquid channelling and just a minimal amount of liquid redistribution is needed.
It is a good choice for vacuum distillation systems due to its extremely low-pressure drop.
Comparatively speaking to random packing and trays, it has a higher vapor load capacity.
Low liquid hold-up is offered.

Application

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CHSP High Capacity Packings

The most advanced version of structured packing is CHSP High Capacity Packing. The pressure drop is significantly reduced and the capacity can be doubled when compared to Sheet Metal thanks to the improvement of the geometric structure of traditional structured packing. High-capacity structured packing has been used in columns to boost capacity, lessen pressure drop for new construction, and replace typical sheet metal structured packings, typical random packings, and trays.

Features

Superior effectiveness in comparison to other structured packings with comparable surface areas
Excellent capacity as compared to conventionally structured packing and pressure drop characteristics
Eliminates abrupt changes in flow direction and early liquid buildup
Significantly less pressure drop than with standard packing

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CHSP Wire mesh Packings

Specially woven wire mesh is pressed into smooth layers consistently perforated, corrugated, and stacked with corrugations facing opposite ways to create CHSP Wire mesh Packings. It is the best option for processing specialized chemicals, medicines, and materials that are temperature-sensitive because it has the lowest pressure drop per theoretical stage.

With its low-pressure drop, small liquid hold-up, and good separation extraction efficiency even at extremely low liquid loads, wire gauze structured packing has several benefits that make it a great choice for distilling thermally sensitive products.

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CHSP Grid Packings

Structured packing using a grid combines the large surface area of conventional structured packing with the robust design of a grid layout. In challenging applications that are vulnerable to clogging, coking, erosion, and the presence of solids, it can offer excellent heat transfer efficiency, high mechanical strength, and antifouling properties. Low liquid holdup, a shorter residence period, and a decreased risk of coke formation are all benefits of the flat surface.

Features

Because of its geometrical design and slick surface, it is appropriate for coking and fouling applications.
The structure and element height makes cleaning simple
It is detachable, can be unscrewed, and water jet cleanable.
Efficient temperature dissipation
Superior separation effectiveness compared to conventional grid-structured packing

Application

Applications involving fouling, erosion, coking, and high solids content require grid-structured packing. Some of the applications include atmospheric crude unit wash section, crude vacuum unit wash section, cracked gas quench towers, FCC main fractionator slurry pump-around, quench towers in a steel mill, coker fractionator wash section, crude tower pump-around, vacuum tower pump-around, and flue gas absorbers/scrubbers, among others.

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CHSP Extraction Packing

An essential unit operation that can occasionally be more cost-effective than traditional distillation is liquid-liquid extraction. Examples include the separation of components with extremely close boiling points or the separation of mixtures with constant boiling rates (azeotropes). Separating very high molecular weight compounds is another application for liquid-liquid extraction.

The CHSP Extraction Packing offers maximum performance since it uses liquid distributors that have been expressly designed for it. High throughput and small column diameters of the packed column for liquid-liquid extraction are its main advantages.

Numerous packing styles, sizes, and materials are available to accommodate different criteria for mass transfer effectiveness, column capacity, and corrosion allowance depending on the extraction application.

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CHSP Lab Packings

CHSP Lab packings are used in columns with a diameter of 25 to 100 mm in laboratories. This wire mesh packing is intended for applications that call for a substantial amount of theoretical development. As a result, there is a low-pressure drop at greater load capacities.

Advantages

Used in small columns for preliminary evaluation of separation operation
Low-pressure drop with extremely high separation efficiency
Used for Vacuum laboratory applications from 1 bar
Decomposition-prone component distillation
Creating reliable scale-up models

Structured Packing

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