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石化装置长周期运行与安全阀一年一校的矛盾日益突出。本文通过装置安全阀实际抽查结果,论证了定期校验的必要性。针对安全阀的腐蚀失效,结合在线校验,提出了改进措施,并对在线校验的具体实施、积累误差的消除等进行了可行性探讨。
Petrochemical plant long-term operation and safety valve one day a school of contradictions have become increasingly prominent. In this paper, the actual safety inspection results of the safety valve demonstrate the necessity of periodic verification. Aiming at the failure of the safety valve and the on-line verification, the improvement measures are put forward. The feasibility of on-line verification and the elimination of the accumulation error are also discussed.