Category Archives: Jenike Blog

What’s the difference between your problematic bulk solids feeder and Michael Corleone?

Many of you may recall hearing Al Pacino’s Michael Corleone of the legendary Godfather series say, “Just when I thought I was out, they pull me back in…” We engineers at J&J can almost hear some of the problematic bulk … Continue reading

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Can a tank designed to store a liquid be used to store a bulk solid?

Clients sometimes ask me if a storage tank that was designed – and often being used – for storing a liquid can be converted to store a bulk solid. Basically they are asking, “Will the material-induced loads exerted by my … Continue reading

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Chemical Flow Aids

In my previous sections, I discussed the strengths and weaknesses of mechanical and pneumatic flow aids. The final category of flow aids, chemical flow aids, is the largest one simply because of the variety available. A number of chemicals have … 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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Corrosion: A damaging ingredient for metal bins and silos

You may have heard of silo failures around the globe. Why do such failures still occur? The reasons are varied but generally one or more of the following: Design Constraints: Loads exerted on silo structures are not well defined in … Continue reading

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The transfer chute nightmare!

  The other night I found myself awoken from a nightmare! I have worked on several jobs recently involving the optimisation of transfer chutes handling iron ore. I have been using Discrete Element Modelling (DEM) to analyse the flow of … Continue reading

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Mechanical Flow Aids

  Mechanical flow aids are one of the most frequently used methods in achieving reliable material flow. They operate by applying a physical force, typically through vibrations, to the existing bin in an effort to agitate material at rest within … Continue reading

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Is paying for engineering design worth it?

Over the last 3.5 years of working at Jenike & Johanson I have been called to troubleshoot and fix many bulk material handling systems. Most of the time these systems need adjustments because a line designed to handle one material is asked to … Continue reading

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