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A US-based manufacturer of engineered cryogenic gas processing equipment and small-scale process plants for liquefied natural gas (LNG), well services, and industrial gas industries with a significant presence in Southeast Asia.

Engineering Requirement

The client aimed to enhance their chilling plant operations’ thermal efficiency and reliability with a flooded evaporator design, specifically focusing on the flooded evaporator used within the plant. They sought expertise in thermal design to facilitate efficient heat exchange between refrigerant R134a and air within a shell and tube heat exchanger.

Given its reputation for excellence in equipment engineering solutions, Rishabh Engineering was chosen to develop a report for flooded shell and tube evaporator design. Leveraging AspenTech’s Exchanger Design & Rating (EDR)™ and AutoDesk AutoCAD, our team embarked on the following tasks:

Thermal Design Report for Flooded Type Shell And Tube Evaporator:

  • Our team comprehensively analyzed the thermal design aspects of the shell and tube exchanger.
  • Key parameters such as heat transfer coefficients, heat transfer area, and thermal and hydraulic analysis summary were meticulously documented.
  • Fluid flow rates and temperature differentials were analyzed to ensure optimal performance and efficiency of the chilling plant.

Mechanical GA Drawing:

  • Detailed mechanical general arrangement drawings were created, encompassing dimensions, specifications, and essential features.
  • These drawings were a crucial guide for the manufacturing and installation processes, ensuring accuracy and adherence to design specifications.

The flooded shell and tube heat exchanger design for a BXM TEMA-type configuration was a critical component of the chilling plant. It featured a Vapor Disengagement chamber at the top and a Knockout drum at the air outlet side to effectively remove moisture from the system.

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