A Study on the Availability with Failure Rate of Process for LNG Plant

Abstract

The simulation investigation on the availability of LNG plant with scenario of failure events and failure rate has been carried out. This study focuses on the availability, productivity, criticality induced by failure rate of major equipment. The methodologies for simulation such as the equipment classification of LNG plant and failure type and event schematic are established. The availability and mean time to repair have second order function profile in the all cases except general equipment, but these profiles have different inclination. The production and criticality of the specified LNG plant, simulated by Monte-Carlo algorithm, is located in the range of P = 86～ 92% and PL = 6～13%.

A Study on the Reliability Verification of Availability Simulation for Complex Plant

“…플랜트는 공정 구성에 따라 누설, 점화, 부식, 침 착 등 다양한 형태의 노후 현상이 진행되며, 이에 따르는 시스템 생산성 저하는 주요한 설계 이슈로 가용도(availability) 평가에 대한 관심이 증가하고 있다 [1,2] . 특히 시스템 성능의 개선을 위한 시설 대형화에 따라 사고나 기능 상실 등 위험도 또한 크게 증가 하여 기능 유지를 위한 안정성과 신뢰성 확보가 매우 중요시되고 있다.…”