Control & Automation

Rittal Review Inside the Food Factory

By Emma Ryde, Rittal’s product manager for Industrial & Outdoor Enclosures

Rittal 30/06/2020

581 3 minutes read

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Maintaining high standards of hygiene is a priority in all food and beverage factories, which means keeping machines, enclosures and systems spotlessly clean while maintaining production efficiency.

However, within food and beverage production and processing plants there are three categories of hygiene “zones“: high, medium and low hygiene spaces. Your choice of a suitable enclosure solution depends on the zone where it will be installed.

Rittal and EPLAN can help you identify the ideal solution for each area to keep processes moving forward, while reducing downtime.

ZONE 1: FOOD ZONE – High Hygiene Zone

Of all the zones, the food preparation zone is the most critical. Due to the high risk of contamination, it is essential that the enclosures within this space are designed according to very strict hygiene rules.

Solution: Hygienic Design cabinets

Hygienic Design guidelines state that materials must, among other things, be corrosion resistant and easy to clean, while all joints must be sealed, seamlessly welded or glued.

Unfortunately, many electrical enclosure systems fail to meet these requirements, and this can lead to water entering inside the control enclosures during the wash down and sanitation process. Not surprisingly, water ingress across electrical components will cause considerable damage, leading to unnecessary maintenance and repair costs as well as production downtime.

Hygienic Design enclosures have become the standard housing for electrical controls in this environment because they allow rapid cleaning, they create a sealed environment for electrical systems, and they prevent the formation of pockets of dirt.

As a powerful and multifaceted CAE system, the EPLAN Platform offers comprehensive functional support in the creation and use of device and master data, enabling you to apply and comply with international codes & standards for documentation and manufacturing. (same applies to medium hygiene).

ZONE 2: SPRAY ZONE – Medium Hygiene Zone

The risk of contamination in this zone is lower than in the high hygiene zone. Here, the food is already packaged or undergoing further sterilisation treatment; so for example, products such as milk are enclosed in pipe systems and are therefore protected from the outside environment.

However, floors are cleaned with cleaning agents so any enclosures in this area should be resistant to both corrosion and airborne chemical particles from the cleaning products.

Solution: Stainless steel enclosures

Stainless steel enclosures are ideal for use in medium hygiene zones. Cabinets constructed from this type of steel have a long life as they are resistant to water vapour, humidity and weak acids.

As always, adequate climate control for the equipment housed in the cabinets is essential.

Design flaws in air-conditioning and/or high ambient temperatures can lead to components overheating, resulting in repair costs and loss of revenue. With thermal design, this can be detected and remedied already in the design phase. Thermal Design Integration is a standard feature within EPLAN Pro Panel and provides engineers with the necessary visual assistance.

Once specified, climate control units (also made of stainless steel) will manage the temperatures within an enclosure, thereby reducing energy consumption and extending electrical component life.

ZONE 3: NON-FOOD ZONE – Basic Hygiene Zone

In low hygiene zones, the risk of contamination of food and beverage products is minimal, for example in the IT area or the offices withun a factory. Needless to say, enclosures within these spaces do not have to comply with specific hygiene rules.

Solution: Edge IT Solutions

The ever-increasing amount of data gathered from processing equipment’s diagnostic and IoT devices means there is a rising demand for fast data processing, as close to the source as possible. Edge data centers can handle a wide variety of tasks, and will assist organisations with critical processes – such as data capture and monitoring production processes – while providing scalability and resilience benefits to users.

Edge data centre enclosures can be tailored to the specific industrial application if there is any risk to their internal electrical components. For example, on a busy shop floor, the enclosure may need to have a high Ingress Protection (IP) rating to avoid dust particles fouling up the system.

Further information at www.rittal.co.uk and www.friedhelm-loh-group.com or on twitter @rittal_ltd.

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Rittal Ltd

01709 704000
information@rittal.co.uk
http://www.rittal.co.uk
Braithwell Way, Hellaby Industrial Estate, Hellaby, Rotherham, South Yorkshire, S66 8QY GB

About us

Since its foundation in 1961, Rittal has continuously evolved into the world"s leading systems provider for enclosures, power distribution, climate control, IT infrastructure and software & services.

Today, "Rittal – The System." offers you a perfectly coordinated system platform. It unites innovative productions, pioneering engineering solutions and global service to accommodate the most diverse requirements. It caters to a whole host of industries, from machinery and plant engineering, to the automotive industry, through to information technology.All from a single source, all in top quality.

That is what "Rittal – The System. Faster – better – worldwide." is all about.

A workforce of 10,000 manufactures and develops "Rittal – The System." on your behalf. Ensuring you stay on track for success. Tap into synergy potential with our sister company Eplan, the leading manufacturer of software for cross-disciplinary engineering solutions.We never lose sight of our responsibility to the environment and society.

Where we supply to

Europe, Africa, Asia, Australia, South America, North America

Industries we supply to

Automation, Chemicals, Consultants, Components Electronics, Energy and Power, Food and Beverage, Glass Ceramics Cement, Metals and Minerals, OEM, Paper and Pulp, Pharmaceutical Cosmetics Toiletries, Plastics and Rubber, Recycling, Textiles, Tobacco, Water and Wastewater

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