Reliability and Redundancy Analysis at a Methanol Plant in the Khark Petrochemical Complex: Investigation, Modeling, and Improvement

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Modabber, Morteza | 2024

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 57687 (58)
University: Sharif University of Technology, International Campus, Kish Island
Department: Science and Engineering
Advisor(s): Mohammadi, Somayeh; Saniee Monfared, Mohammad Ali
Abstract:
Today, reliability assessment of production systems is crucial for ensuring continuous production and minimizing operational and maintenance (O&M) costs. One way to assess reliability at the system level is to create a reliability block diagram (RBD) and estimate the failure rates of equipment over their operational periods. This approach has been utilized in this thesis, focusing on assessment of the reliability of various units within the methanol plant at Khark Petrochemical Complex. In this context, understanding the condition of the equipment criticality is essential for constructing the reliability block diagram. The Crespo model and total criticality per risk (CTR) measure have been applied to all equipment, including static, machinery, electrical, and instrumentation, allowing for the identification of critical, semi-critical and non-critical equipment within the plant. Finally, the reliability of various units is assessed over time, and by comparing multiple models, some modifications are proposed to improve the system reliability at KPC
Keywords:
Condition Monitoring ; Reliability ; Availability ; Redundant Systems ; Production System ; Reliability Evaluation

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