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What a Food Manufacturer Could do Instead of Time Spent Cleaning

The cleaning of equipment and facilities is an essential task for any food manufacturer, but it can consume valuable production time. Imagine if this could be reduced or even removed from your production process without affecting hygiene or quality.

What if you could reduce the need to clean in between recipes or batches and simultaneously enhance your production line capacity? How much could your throughput be increased?

In this blog we’ll look at the cleaning methods currently employed in some manufacturing processes using bulk powder solids, the shortcuts some manufacturers take to offset lost production time and how to improve productivity. We’ll also explore an alternative production methodology that could significantly improve your efficiency and ability to deliver a range of recipes and batch sizes.

The Problem with In-Line Processing

Consider your current production processes; your last recipe run is fulfilled, the product has cleared the line, it is packaged and ready to go. Now it's time to clean down all those tricky pipes and fixed pieces of machinery before you can process your next recipe. 

A major setback with the in-line production process is that manufacturing has to stop completely while you wait until the machinery has been taken apart, cleaned and then reassembled. This can take a significant amount of time, especially when you include the waiting time for equipment to dry (following a wet wash) and for swab test results to validate cleaning.

We have seen food manufacturers spending up to 20% of their production time cleaning their equipment. This represents a significant amount of downtime. Furthermore, equipment standing redundant results in a low Overall Equipment Effectiveness score. In comparison to other manufacturing facilities with leaner production processing in place, facilities using in-line processing suffer greatly from reduced productivity.

Manufacturing food

Cleaning Shortcuts

Some businesses take cleaning shortcuts. Here are some common, risky cleaning substitutions:

Risky Cleaning Alternative #1 - White to Black Production

Some food manufacturers attempt to avoid cleaning after every recipe change by using ‘white to black’ production methods. For instance, a food manufacturer might begin the day with a bland based recipe, moving through to the stronger colour/flavoured recipes as the day progresses. Since each succeeding recipe has a more intense colour/taste than the previous one there’s no noticeable transfer of colour/flavour between each batch.

The Problem

The major shortcoming with white to black production is that your product will not exactly match the ingredients listed on the label. To follow  Food Standards legislation, whatever is in the product should also be included on the label. Food manufacturers who don’t adhere to food standards legislation could face large fines and reputation damage.

Risky Cleaning Alternative #2 – Flushing

Another way some food processors try to reduce cleaning time is to flush the production system with a cheap base material to remove the last product from the system.

The Problem

Whatever material you use to perform a flush-through, no matter how inexpensive, is still waste and the costs quickly add up. Also, you still have the same problem as with white to black methods; that your product will not exactly match the ingredients listed on the label.

Please note that when using allergenic ingredients, none of the above shortcuts are worth the high risks to your customers and your business reputation. Products containing allergenic ingredients require a full clean down after every recipe changeover with cleaning validation and auditing to ensure no risk of cross-contamination.

The Challenges with Fixed Mixers

Large fixed mixers might blend ingredients quickly, but they take a considerable amount of time to wash. Clean times can escalate as you reach into every section and crevice to ensure your production line is clinically clean. With many ribbon  blenders there are also zones when the blades do not make contact, leaving powder in the vessel. As a large fixed mixer is taken out of circulation to be washed and dried, machinery sits idle and operators have to wait before the next recipe batch can commence. In addition to the time lost, cleaning your equipment involves considerable costs in terms of water usage, cleaning products, energy and manpower which greatly affect profitability. 

How to Turn Cleaning Time into Production Time in 3 Steps

  1. Initially you need to know how long you currently spend on cleaning. Add your figures into our ROI calculator to find out how much time you lose over the course of a year and what this represents in cost and lost capacity.  
  2. Regain that cleaning time and utilise that time to make more product by switching to a more flexible, efficient manufacturing system.
  3. Re-enter your new results into the ROI calculator after using the flexible manufacturing system to calculate your increased revenue, amplified production levels and time saved.

Better mixer utilization: Use our simple ROI calculator to realise savings  and efficiencies across your production processes. Download the free calculator

Introducing Flexible, Efficient Manufacturing

Today’s food manufacturers know that operating lean is the way to generate more profit. Intermediate Bulk Container (IBC) manufacturing systems provide a cost-effective way to add flexibility to your production line.

IBCs for flexible manufacturing
With IBC manufacturing, mixing is completed in-bin, the mixer doesn’t come into contact with the product, so cleaning time is significantly reduced. This sealed, mobile system enables different products to be mixed one after the other with only a short break to switch an IBC containing blended ingredients for one containing unblended ingredients. The used IBC is emptied and cleaned off-line while a new IBC is attached to the mixer, facilitating continuous production. 

If your products are sticky or contain allergens and have longer cleaning times or require enhanced validation to certify full hygienic cleaning, you can still continue to manufacture. All production processes continue to operate throughout the shift without any downtime while cleaning takes place offline. 

Discover how a shift to IBC based manufacturing could yield significant returns in production efficiency and reduced downtime. Download our ROI calculator and take your first move to improved productivity. 

For the latest videos and informative resources on powder processing technology  Visit our Knowledge Hub

Posted by

Matt Baumber


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