Real-time prediction method and system for NOx generation concentration of coal-fired boiler

Real-time prediction method and system for NOx generation concentration of coal-fired boiler

The invention relates to the technical field of coal-fired boilers, and discloses a coal-fired boiler NOx generation concentration real-time prediction method and system, and the method comprises the steps: obtaining a plurality of independent variable characteristics of the boiler NOx generation co...

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Hauptverfasser: SONG JINGHUI, LIAO YONGJIN, SHEN YUELIANG, CHEN ZHIHAO, KIM BONGOO, LIN YANKUN
Format: Patent
Sprache:chi ; eng
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INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS
PHYSICS
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creator SONG JINGHUI
LIAO YONGJIN
SHEN YUELIANG
CHEN ZHIHAO
KIM BONGOO
LIN YANKUN
description The invention relates to the technical field of coal-fired boilers, and discloses a coal-fired boiler NOx generation concentration real-time prediction method and system, and the method comprises the steps: obtaining a plurality of independent variable characteristics of the boiler NOx generation concentration, carrying out the correlation analysis of the independent variable characteristics and the boiler NOx measurement concentration, screening out the main independent variable characteristics, and carrying out the prediction of the boiler NOx generation concentration. The ammonia injection moment of a denitration system of the boiler is used as the current moment, time sequence analysis is carried out on each independent variable characteristic, the historical time of each independent variable characteristic relative to the boiler NOx measurement concentration is determined, and a plurality of NOx concentration prediction data sets with time sequences are constructed; a plurality of NOx concentration predi
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subjects INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS
PHYSICS
title Real-time prediction method and system for NOx generation concentration of coal-fired boiler
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