Category Archives: Jenike Blog

How Bulk Material Variations are a Drag on our Economy

  At J&J, we encounter many situations where bulk material processes operate at an “adequate level” only, leaving room for improvement with the final product. One such challenge has to do with segregation, or variations in the properties of the bulk … Continue reading

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Silo Design: How to Get it Right the First Time – Chapter 3

Design for the effects of non-axisymmetric loading Over the last 30 years I have been asked to investigate dozens of silo and bin designs in which something has gone wrong. Construction has been in reinforced concrete, steel and aluminum. Problems … Continue reading

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The Purge Column: There can be Material Flow Consequences

No, this has nothing to do with the movie “The Purge”! Sorry for the disappointment! However, I am going to write about an interesting topic here, that is if you are interested in bulk solids handling applications. The chemical industry … Continue reading

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Got training ?

How — web ?  conference ?  in-house ? I know, I know, you have likely heard this analogue as a rip-off from the famous “drink milk” marketing campaign [1] that started in the early 1990’s. Pretty effective though, right? So, … Continue reading

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A Test to be Sure you can Pass a Test?

When you get your prescription filled, have you ever wondered how consistent one pharmaceutical tablet is from another? Most consumers in the US don’t give this a second thought, thankfully, due to the high quality standards that pharmaceutical companies have. … Continue reading

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Don’t Fall Short When it Comes to Your Feeder

You’ve learned your lesson in the past, and struggled with solids handling problems that caused untold problems during start up, completely unrelated to your key technology. And even now, the process runs below its design capacity and requires unanticipated babysitting. … Continue reading

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Happiness Equals Reality Minus Expectations

  I recently visited a power plant that had modified one of its coal-fired lines to allow it to handle wood chips. I asked the process engineer if the switch had resulted in any flow problems. He was happy to … Continue reading

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What I Learned about Bulk Solids Handling in 3 Days

Bulk solids handling is alive and well and living in Chicago! Okay; well it was for 3 days last week anyway, when we all descended upon the PTXi Powder Show. What were my takeaways? A lot of companies are expanding … Continue reading

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Evolution in the Design of Bulk Solid Handling Systems in Mining in the Last Two Decades

Last month we celebrated the 20th anniversary of Jenike & Johanson’s office in Chile (JJC). This landmark made me think about the huge change that most mining and engineering companies in Latin America have experienced in this period on the … Continue reading

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Bulk Materials Handling; or Things You Can Learn From a 4-year-old

“Grrrr, I can’t make it daddy! It keeps falling apart!” whines my four-year-old son. We are in the back garden playing with his diggers and dump trucks. He is trying to make a hill (my mind automatically jumps to stockpiles), … Continue reading

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