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- W2355884619 abstract "With a 600 MW supercritical boiler unit serving as an object of study,of which the burners are arranged on the front and rear wall,by adopting an on-site combustion adjustment test method and in the light of the operation features and concrete conditions of the combustion system of the boiler,experimentally studied was the influence of various factors on the NOx emissions characteristics of the boiler.They include: oxygen quantity,combustion structural parameters(including primary air speed,central air quantity,secondary and tertiary air quantity and secondary air swirling intensity etc.),mill operation combination mode,overfired air quantity,coal quality change etc.The test results show that the operation air quantity,mill operation combination mode,overfired air quantity and coal quality change of the boiler constitute the main factors influencing its NOx emissions concentration and such an influencing extent can attain as high as 14% ~18% while the change of the structural parameters of the burners have a relatively small influence.Through controlling the main influencing factors,the NOx emissions concentration of the boiler can be markedly lowered.On this basis,by utilizing a multivariable regression method,an empirical regression formula governing the NOx emissions concentration and main operation factors of the boiler was established.In most cases,the deviation between the value predicted by using the above-mentioned formula and the actually measured one is within in a range of ±10%,indicating that the formula can be used for on-line operation control and prediction of NOx emissions concentration of a boiler." @default.
- W2355884619 created "2016-06-24" @default.
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- W2355884619 date "2011-01-01" @default.
- W2355884619 modified "2023-09-24" @default.
- W2355884619 title "Study of a Multivariable Linear Regression of the NOx Emissions Concentration and Main Operating Factors of a 600 MW Wall-type Boiler" @default.
- W2355884619 hasPublicationYear "2011" @default.
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