August 2019

Maintenance and Reliability

Best options for a reboiler revamp

It is always a challenge to reconfigure and resize existing reboilers, especially vertical thermosiphon ones, for the revised design and operating conditions of a brownfield project, since hydraulics external to the reboiler must match the reboiler hydraulics under the revamped conditions to ensure trouble-free operation.

Pramanik, R., Srinath, N. R., Fluor Daniel India

It is always a challenge to reconfigure and resize existing reboilers, especially vertical thermosiphon ones, for the revised design and operating conditions of a brownfield project, since hydraulics external to the reboiler must match the reboiler hydraulics under the revamped conditions to ensure trouble-free operation. The matter becomes complicated if two reboilers are operating in parallel, since ensuring symmetry in the revised configuration significantly increases the complexity. The case study discussed here involves the resizing of two existing vertical thermosiphon reboilers, operating in parallel, for the newer design conditions with much higher flow and duty. The article explore

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