2 replies to this topic

[SP500]

I am trying to price a very small process vessel  having a volume of 0.4 m^3.

 

 

Correlations for the capital expenditures of process equipment that use standard factors, typically have a lower and upper range ( in my case for volume) for which they are applicable, and unfortunately I'm out of that range. How would one typically proceed to evaluate the price of such small vessels?

 

Of course, I expect to hear recommendations to visit  manufacturer sites and work my way from there.

 

However, I prefer evaluating the price of my equipment and subsequently compare it with whats commercially available.

 

How would one proceed with costing 0.4 m³ vessels? I doubt that the costs of the materials will represent the predominant fraction of the overall CAPEX. My guess, is that the actual construction will be the major source.

 

Any guidance would be greatly appreciated.

Edited by SP500, 04 March 2017 - 06:36 PM.

[Napo]

SP500,

 

You can review the book "Plant Design and Economics for Chemical Engineers" by Peters-Timmerhaus-West, 5th. edition, p. 557.

 

Napo.

[Pilesar]

Much depends on the the vessel requirements. Many small vessels can be found in vendor stock such as filter housings and small heat exchangers. I've designed small specialty vessels using standard piping elements. If the vessel must be customized by a specialist, then you have to find a shop able and willing to work on it. Who develops the engineering drawings? Must the vessel be code stamped? All these things are part of the cost. If you can make it work, use a pre-engineered vessel out of a vendor's catalog as it will ultimately save a lot of hassle.