Tag Archives: testing

Training – you get the “bang for your buck”?!

Let me ask a simple question – can you recall the last time you received effective training that yielded an immediate payback/return-on-investment (ROI)? If you can recall this training event, can you think why it was effective and impactful?  What … Continue reading

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Breaking down attrition

Sometimes attrition, the breaking down of particles, can be a really good thing – like when I wake up in the morning to the sound of coffee beans grinding just waiting for me to make a perfect cup of coffee. … Continue reading

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Top 5 Functions of a Furnace Feed Bin

Your furnace feed bin maybe one of the most overlooked pieces of equipment in your glass plant! The bin serves as the main entrance to the value-added portions of your process, and is vital for continuous production and plant operation. … Continue reading

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Feeding wet agglomeration processes.

I am a proud, card-carrying member of the IBA, the Institute for Briquetting and Agglomeration.  In 2011, I presented a paper at the IBA Conference on the design of hoppers or bins for feeding wet agglomeration processes.  In wet granulation … Continue reading

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Pneumatic Flow Aids

In my last post, I presented you with some basic information on mechanical flow aids along with recommendations on when and where they should be used. As the third entry in my series, this post will discuss the capabilities and limitations … Continue reading

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You Never Know Where A Site Visit Might Take You.

If a client has an existing problem, or is starting work on a new project, it is very important to get on-site to discuss our work. Going on-site allows us to efficiently gather the most information about the project. If a … Continue reading

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The consolidation of snow

I was always on the losing side of a snowball fight, until I joined Jenike & Johanson. Snowballs lofted at me by my enemies would invariably leave a mark, whereas snowballs that I tossed would disintegrate as they sailed towards my … Continue reading

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Oh no! Our product is not uniform – we have a segregation issues – what do we do now?

Segregation issues can be tricky. If you handle a bulk materials that have different physical and/or chemical properties such as, particle sizes, shapes, densities, or resiliency, then it is possible that the material will segregate during transport and storage. Segregation is defined as … Continue reading

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Measuring caking by material unconfined yield strength

Caking is a natural phenomenon. It could happen to your powder product whether you want it or not. If the caking is a quality problem that is resulting in multiple complaints, here is how you can determine the caking behavior … Continue reading

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Time Tests and the Test of Time – The Jenike Direct Shear Tester

It’s been over fifty years since Andrew Jenike published Bulletin 123, which summarized how he used a direct shear cell tester to measure the flow properties of powders and then used the results to design reliable hoppers, bins, and silos. … Continue reading

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