Project Synopsis

Perform relief device sizing for a fertilizer terminal facility.

Project Summary

SAFETY VALVE SIZING PROJECT FOR A FERTILIZER TERMINAL

Process Engineering Associates, LLC (PROCESS) was contracted by the client, an international wholesale and retail supplier of agricultural products, to perform sizing services for various safety relief devices for a fertilizer unloading/loading terminal in the Midwestern U.S.  As a part of this project the following tasks were accomplished:

  • Performed sizing calculations and provided documentation for approximately 72 pressure safety valves (PSVs)
  • Performed hydraulic calculations to adequately size inlet and outlet piping for the new PSVs
  • Developed process level specification sheets for the new PSV devices.

 

PROCESS utilized its licensed commercial simulation software’s (CHEMCAD’s) hydraulics package and chemical/physical component database along with its proprietary in-house relief device capacity computer program, with calculations based on the guidelines in American Petroleum Institute (API) Standards 520 and 521, to determine the pressure relief requirements for this application.

PROCESS supplied the client with the pressure relief device (PRD) sizing documentation packages that included safety device calculations, a summary of MAWP for each protected vessel, and relief valve equipment datasheets that could be used to obtain quotes from vendors.  PROCESS also suggested specific relief devices represented in vendor literature.

 

Industry Type

  • Fertilizer Production and Distribution

Utilized Skills

  • Relief device sizing

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