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Load Study

Experienced Professional Service 

A load study is an analysis that determines force on tires, rollers and shell. Weight considerations involve refractory, liners, steam tubes, gear, shell, etc. And now because we utilize FEA with each of our Load Studies, shell stress on actual unit geometry can be determined!

The Benefit of Utilizing FEA with a Load Study

FEA takes into consideration the actual geometry of the component it is measuring, as opposed to traditional load study methods, where the component is viewed as a beam. This makes the stress calculated from the FEA portion of the load study more representative of what’s actually going on.

Just some of the concerns a load study may address…

 

  • We switched from 6″ refractory to 9″ refractory.
    • What is the consequence of the additional weight?
  • The transition from heavy section to thin section worries me.
    • Is my shell sufficiently designed to handle that?
  • We’ve formed a ring inside our kiln.
    • How does that impact the load on the system?
  • We’ve been experiencing high thrust problems.
    • Are we overloading the spherical roller bearings?
  • We want to increase capacity from 30 tons/hr to 60 tons/hr.
    • Can the system handle the additional weight?
  • My tire may have a crack.
    • I need to replace the tire?
Load Study
How a Load Study Job Progresses
  • Engineering Time – Office
    • A load study will be performed
      • Using beam analysis methodology, all relevant weights need to be considered
      • Weights include geometry and materials of the following:
        • Shell, tire, internals such as flights, trefoils, refractory, satellite coolers
    • Load study results show the reactive forces at each tire and the deflection of the shell before and after each tire
The Deliverables:

Writeup with calculated findings related Hertz pressure, tire bending stress, and ovality percentage and whether these values are above or below industry limits.

Information We Need From You to Quote:

We will collect all the information we need on a conference call with you regarding your load study. Call us today to inquire!

Load Study Sample Report

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We are excited to help you optimize your rotary equipment process to the fullest of its potential.