Process industries might have different reasons for analyzing operational transients and, jointly, carrying out process operator training simulators. For instance, unsteady events can easily lead to upset operating conditions such as vibrations, pressure loads, high local fluid velocity and mechanical erosion, which jeopardize safety and equipment reliability. Also, process performances can be compromised during transients as operating conditions can depart from optimal ones. On this subject, the paper analyzes and models in depth an acid gas injection unit involving a series of centrifugal compressors. A detailed dynamic simulation is developed to enhance the comprehension of rotating units throughout the process transients. Moreover, an appropriate plant-wide control scheme is proposed in order to rapidly dampen the surge conditions due to the process transients.
Transient Operations in Acid Gas Injection Units
MANENTI, FLAVIO
2008-01-01
Abstract
Process industries might have different reasons for analyzing operational transients and, jointly, carrying out process operator training simulators. For instance, unsteady events can easily lead to upset operating conditions such as vibrations, pressure loads, high local fluid velocity and mechanical erosion, which jeopardize safety and equipment reliability. Also, process performances can be compromised during transients as operating conditions can depart from optimal ones. On this subject, the paper analyzes and models in depth an acid gas injection unit involving a series of centrifugal compressors. A detailed dynamic simulation is developed to enhance the comprehension of rotating units throughout the process transients. Moreover, an appropriate plant-wide control scheme is proposed in order to rapidly dampen the surge conditions due to the process transients.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
