Resource Efficient Innovations Database (REID)

High pressure air drying system significantly reduces energy use for beverage canning line

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High pressure air drying system significantly reduces energy use for beverage canning line
High pressure air drying system shears water from the surface of drinks cans rather than evaporating it off.
In Use – Commercially available and in use at filling plants across the world.

Benefits
Resource efficiency (e.g. filling line efficiency)

Product Categories
Drinks, Food

Relevant Materials
Not Applicable

Relevant Packaging Formats
Not Applicable

Supply Chain Phase
Packing, Processing, Production

Details

An innovative air drying system uses air velocity to physically shear off water rather than evaporating it. The new system has shown reductions in compressed air useage of around 15% over existing systems.
 
The system consists of a three horsepower centrifugal blower housed in a washdown-compatible polypropylene cabinet, two air tube manifolds with six positionable nozzles, and air tubing to connect the manifolds to the blower. Individual nozzles can be adjusted and the manifold moves up and down and in and out on a stainless steel arm to give maximum flexibility for varying line configurations and can sizes. Designed for quick installation, the stainless steel arm can be bolted to the conveyor, and the blower cabinet positioned above or under the conveyor or as far away as 25 feet.

Drinks cans often need to be dried prior to application of barcodes. Process codes printed when the cans are hot and wet from the manufacturing process are often unreadable leading to the installation of compressed air drying equipment. However the new high pressure drying equipment shears the water off the cans resulting in significant savings in compressed air usage and energy whilst improving readability of barcodes.
 
The key to the energy saving is the velocity of the air. Other systems try to evaporate the water off, whereas this one balsts it off.

The PowerDry System is available from Paxton Products, based in Cincinnati, OH. 
 
The content in this entry has been obtained from publicly available information sources only (e.g. press releases, website and trade press articles) and is subject to completion of a validation process with the technology supplier.

Potential Benefits

Since compressed air is generally the most expensive utility in any beverage bottling or canning plant many companies are mandating reduction in compressed air usage as a key part of their energy reduction programmes. This technology has the potential to deliver significant benefits. In one canning line in the US, an installation of the system has already been used to successfully eliminate two out of three disc-style compressed air nozzles. A second installation at the same site will replace three further compressed air units used to ensure that the cans lids are fully dry prior to collation packing.

Intellectual Property

The Power dry system has been developed by Paxton Products of USA.

Consultant View

This drying system has found an innovative way to achieve improved efficiency in operation whilst reducing the amount of compressed air required. Although the initial focus has been on drying prior to coding, the manufacturers indicate that the system can replace compressed air for any kind of spot drying or blow-off cleaning process One user indicates that the energy savings achieved meant that payback on the installation was achieved in less than a year..
 
The REID database contains other examples of energy efficient food and beverage processing and packaging line innovations, such as improved drive systems.  Reviewers are advised to search the database using terms and filters such as "resource efficiency", "energy efficiency" and "water usage"  in order to identify other technologies which may be of interest.

Contacts and Further Information

Paxton Products
10125 Carver Rd.
Cincinnati, OH 45242
Tel: 001  513.891.7485
Email: sales@paxtonproducts.com

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