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Pvrv Calculations For A Cement Storage Silo With Pneumatic Filling


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#1 jlgoodale

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Posted 14 May 2019 - 10:16 AM

Can this forum help with Pressure/Vacuum Relief Valve calculations for dry cement storage tanks?  Most of the posts I have read deal more with liquid storage relief.



#2 Art Montemayor

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Posted 14 May 2019 - 10:38 AM

Jodi:

 

You have to be more precise and detailed in your query.  We all know you can't "relieve" dry cement.  You also can't relieve a liquid stored in a conventional storage tank - although you can avoid an overfill.

 

What you normally relieve is a gas or vapor that forms over the stored liquid or perhaps, in some cases, a stored powdered solid.  For this, there are many prior threads in our Search Machine as well as documents and calculation spread sheets  in our library.  I may be wrong from what I understand in your query, and if I am please correct me and our members will respond with help.



#3 fallah

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Posted 15 May 2019 - 01:03 PM

Can this forum help with Pressure/Vacuum Relief Valve calculations for dry cement storage tanks?  Most of the posts I have read deal more with liquid storage relief.

 

Hi,

 

It's mostly titled Silo rather than to be named storage tank...!

 

The protection against high pressure/vacuum will be limited to filling/emptying rates in comparison to liquid storage and the effect of thermal in-breathing/out-breathing could be negligible....






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