基于改进TOPSIS的石化装置实时状态评估

摘要/Abstract

摘要： 针对石化装置运行工况数据积累量有限，难以满足装置运行状态传统评估方法数据需求的问题，提出基于改进逼近理想解法（TOPSIS）的状态评估方法，避免了对装置历史运行数据的依赖。该基于改进TOPSIS的评估方法，首先根据现场专家经验和工艺卡片过程指标的控制限，确定TOPSIS的正、负理想解；然后根据装置运行参数特点，形成固定值型和固定区间型指标，并建立相应的评估标准。采用该基于改进TOPSIS的评估方法对某炼油厂催化裂化装置反应-再生系统的异常工况进行了分析，结果表明该评估方法可以实现对催化裂化装置反应-再生系统的运行状态进行量化监测。

关键词: 逼近理想解法, 石化装置, 状态评估, 健康指数, 催化裂化装置

Abstract: In response to insufficient training samples under multiple operating conditions of petrochemical plants, which makes it difficult to meet the data requirements of traditional state evaluation methods, a state evaluation method based on improved TOPSIS (the technique for order preference by similarity to ideal solution, TOPSIS) was proposed to avoid dependence on historical data. First, the positive and negative ideal solutions were determined by expert experience and process index control limits of process cards in the improved TOPSIS. Then, the two types of indicators, such as fixed value index and fixed interval index, were established according to the characteristics of operating parameters. Moreover, the evaluation standards were determined. The proposed method was employed to deal with the abnormal data of a reaction and regeneration system in a fluid catalytic cracking unit from a refining company. The results showed that the proposed method could quantify the real-time operating status of petrochemical plants.

Key words: TOPSIS, petrochemical plant, state evaluation, health index, fluid catalytic cracking unit

林扬杨哲袁壮苟成冬李传坤王春利. 基于改进TOPSIS的石化装置实时状态评估[J]. 石油炼制与化工, 2024, 55(3): 89-96.

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