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Food Manufacturing Plant Design: Tips for Preventing Food Safety Issues

An exemplary model for sanitary equipment design

 

One of the most common causes of food safety problems is a flaw in the sanitary design of food processing equipment. When building new facilities or installing new lines, many food manufacturers struggle with increasingly fast-paced project schedules and limited funds, which affect priorities assigned to sanitary equipment design and requirements during the early stages of a project.

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Controlling Allergens Within the Plant: Strategies and Considerations

Cross-contamination of allergen products can have dire consequences for a food plant. Some of the food industry’s most common ingredients – milk, eggs, peanuts/tree nuts, fish/shellfish, soy and wheat – represent 90 percent of food allergens.

Larger food processors have the financial resources to dedicate separate production lines to products with allergenic ingredients. Small processors, and those with multiple products on a production line, face a more difficult task of controlling potential cross-contamination.

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Standard Equipment Specifications: Benefits and Considerations

A maintenance access platform illustrates a sanitary design that leaves no chance for any possible bacterial harborage.

While designing a new food processing production line or adding to a line, there are a number of factors to consider when outlining equipment specifications, including product run rates, packaging format, temperature and many others. Plant managers often turn to different vendors to provide different components, but it is essential to have standardized equipment to improve efficiency, production, sanitation and aesthetics.

Inappropriate or incompatible equipment can mean loss of production time and loss of income. Whether you’re adding a single piece of equipment or designing a full production line from scratch, detailed, standard requirements should be communicated among the entire team participating in the design process.

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Food Companies Go Green With Eco-Friendly Packaging

Many food companies are transitioning to eco-friendly packaging as a way to preserve the environment and to appeal to environmentally conscious customers. The options available in eco-friendly packaging and the benefits companies can reap by going green make it an easy, smart transition.

Types of eco-friendly packaging:

  • Plastics or bio-plastics made from corn, potato or other annually renewable sources that are compostable and biodegradable
  • Bio-compostable plastic and paper products, which disintegrate and biodegrade completely and safely when composted in a municipal or commercial facility
  • Bio-degradable materials that decompose, usually by bacteria or sunlight, into original organic components within a reasonably short period of time
  • Recycled content — materials that have been recovered or diverted from the solid waste stream. Most plastics (PETs, PEs) are classified as recycled content.

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Getting the Most Out of Your HMI

Your team relies on HMI screens to monitor real-time performance of your refrigeration control systems. But if your dashboards are not presenting that information in a clear, usable format, you’re not getting a clear picture. Your HMI should present performance metrics in a format that’s customized for your system to allow your team to effectively diagnose, analyze and manage your systems.

Your HMI screens should include an overview of the entire plant in addition to a single view of the machine room. Each piece of equipment can be animated and color-coded to show operational status, capacity, pressures, communication errors and other functions. Alarms and other critical issues are easily recognizable with pop-ups and red animation.

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What Can Refrigeration Remote Monitoring Do for You?

The ability to remotely monitor your refrigeration system can have a significant impact on your bottom line, reducing energy, maintenance and overall operating costs. If you’ve recently upgraded your refrigeration controls system or are in the process of upgrading, it’s important to ensure your new system offers remote access. This will allow for speedy diagnostics, offsite troubleshooting capabilities, and constant monitoring, all with a “big picture” view of the entire system.

There are three key benefits of remote monitoring:

1. Diagnostics

Remote access allows your team or an outsourced consultant to monitor the system 24/7 for alerts such as refrigerant leak detection, high liquid levels, high product temperatures, high system pressure, and more. Outsourced consultants who offer a higher level of specialized expertise than your in-house team can view your entire system in real time and offer advanced insight and support.

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Benefits of Upgrading Your Refrigeration Controls

Modern refrigeration controls systems have truly come of age. If your controls system is more than a few years old, you might be surprised at the benefits that newer systems provide:

1. Ethernet architecture — Unlike older serial networks with slower, linear structure, new control systems operate via your existing Ethernet. These networks are non-proprietary so in-house IT teams can easily troubleshoot issues, and repair and replace parts.

2. Improved compressor and VFD communications — Hard-wired serial control systems are slower to communicate with your compressors and VFDs. With an Ethernet platform, the system can pull data much quicker and more efficiently.

3. A single integrated platform — Old systems are often disjointed, with input/outputs, PLC hardware, VFDs, communications protocols and automation controllers all operating independently or requiring customized interfaces. Newer systems are integrated, providing you with a single, unified platform with standards-compliant methods for configuring, operating and maintaining a range of instruments and equipment.

4. Increased data availability — With a single, integrated platform, you’ll have increased access to energy, production, and utility cost information, leading to better decision-making at the management level. You can generate trend analyses, alarm logs, energy management data, and runtime reports in real-time to make the necessary changes and modifications to ensure your refrigeration system is running at optimal efficiency.

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Is it Time to Upgrade or Replace Your Refrigeration Controls?

While new refrigeration control systems are significant capital investments, their value far exceeds their cost. In large food processing or cold storage facilities, refrigeration typically accounts for more than half of the facility’s total electric energy use. And with unplanned downtime costing many facilities tens of thousands of dollars per day, an aging refrigeration control system can put your business at significant risk.

If you answer yes to any of the following questions, it may be time to upgrade or replace your existing system:

  • Is your current control system more than 10-15 years old?
  • Have you experienced unplanned facility downtime due to refrigeration failures?
  • Are the individual components of your refrigeration controls system operating as islands, meaning they work independently and don’t “talk” to each other?
  • Are you still operating on a serial network that’s linear, making it difficult to expand your capabilities?
  • Do you have unstable suction and head pressures? Are you unable to trim fans and pumps via VFD control?

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April Series: Refrigeration Controls

This April, we’re taking a look at refrigeration controls systems. While they represent a significant capital investment, automation components, software and systems are critical to the success of any food processing or cold storage facility. But no technology—no matter how innovative—can last forever.

In our series of articles, we will explore signs that it’s time to replace your refrigeration controls system, the benefits of newer systems, remote monitoring, and HMIs.

Stellar provides state-of-the-art automation services to help clients achieve maximum efficiency for their refrigeration systems. We are the only approved Rockwell Automation Solution Partner for refrigeration controls.

We look forward to your thoughts and questions on the information in this series.