Author Archives: David Craig

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

Posted in Jenike Blog | Tagged , , , , , , |

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

Posted in Jenike Blog | Tagged , , , , , , , |

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

Posted in Jenike Blog |

Introduction to Flow Aids

It is not hard to imagine that early in our evolution the first people to store powder or ground material in a container very quickly found themselves hitting the container to get the stuff out. This was usually caused by … Continue reading

Posted in Jenike Blog | Tagged , , , , , , , , , , , , , | 1 Comment

Time Marches On

  It seems hard to believe, but 25 years last December marked the start of my career in bulk solids handling in Australia.  This was followed by a move to the US 18 years ago to work with Jenike & … Continue reading

Posted in Jenike Blog | Tagged , , , , , |

Details Matter: A Bulk Material Engineer’s Perspective

We all want our plant or process to work as intended, yet project planning and execution are not always conducive to the end goal.  If you’re reading this, you know that the flow properties of a bulk material dictate the … Continue reading

Posted in Jenike Blog | Tagged , , |

From Beaches to Silos: How a Missed Opportunity Leads to a US Patent

A few years ago I was sitting with a colleague in a conference room in Jamaica, waiting for the plant to get back online so we could inspect flow through a bauxite silo.  Not exactly a beach story!  One discussion … Continue reading

Posted in Jenike Blog | Tagged , , |