催化剂剩余寿命预测方法、装置及存储介质

By dividing power plant operating data into multiple operating conditions and performing data cleaning and filtering, a catalyst degradation model was established using potential regression and operating condition conversion methods. This solved the problem of inaccurate catalyst lifetime prediction and enabled accurate prediction of catalyst lifetime under full load.

CN116738647BActive Publication Date: 2026-07-17CHINA ENERGY INVESTMENT CORP LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA ENERGY INVESTMENT CORP LTD
Filing Date
2022-03-02
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies cannot accurately predict the actual lifespan of SCR denitrification catalysts, leading to uncertainty in catalyst replacement time and affecting the safe and economical operation of power plants.

Method used

By dividing the historical operating data of the unit into multiple operating conditions, and using the potential regression of a single operating condition and the potential conversion method between different operating conditions, a catalyst potential decay model is established to calculate the remaining catalyst life under each operating condition.

Benefits of technology

It enables catalyst lifetime prediction that covers all operating conditions with limited sample data. The prediction results are similar to those of laboratory tests, providing guidance for full-load operation.

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Abstract

本申请实施例提供一种催化剂剩余寿命预测方法、装置及存储介质,该方法包括:所述方法包括:获取机组的历史运行数据;计算所述历史运行数据内所包含的每一数据点所对应的催化剂潜能;基于多个数据项中的一个或多个数据项,对所述历史运行数据进行工况分类,以得到多个工况;取所述多个工况中含数据点最多的工况作为一典型工况,并根据该典型工况的数据点,确定所述催化剂的潜能衰减模型;计算所述多个工况中的每一工况在一预定时间的潜能平均值,并针对每一工况,计算该工况的潜能平均值与所述典型工况的潜能平均值之比值,并利用该比值来修正所述潜能衰减模型,以得到该工况的潜能衰减曲线;计算各个工况的潜能下限;以及根据各个工况的潜能下限以及各个工况的潜能衰减曲线,确定各个工况下的催化剂剩余寿命。
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