State Changes by Combustion Tuning in a Gas Turbine Dry Low NOx Combustor

被引：0

作者：

Jung, Pil-Sik ^{[1
,2
]}

Chung, Jin-Do ^{[3
]}

机构：

[1] Korea East West Power Co Ltd, Ulsan, South Korea

[2] Hoseo Univ, Dept Energy & Climate Environm Fus Technol, Grad Sch, Cheonan Si, South Korea

[3] Hoseo Univ, Dept Environm Engn, Cheonan Si, South Korea

来源：

TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS B | 2021年 / 45卷 / 09期

关键词：

Dry Low NOx; UHC; CO; Exhaust Temperature; TRIT; Combustion Dynamic Pressure;

D O I：

10.3795/KSME-B.2021.45.9.509

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, a 100-MW-class gas turbine dry low NOx combustor, which is widely used in power generation, was tested to analyze variations of the exhaust temperature and combustion dynamic pressure in relation to the pilot fuel fraction and combustion airflow rate. The results showed that the exhaust temperature was proportional to the pilot fuel fraction at no and low loads but had an inverse relationship with the combustion airflow rate. When the turbine rotor inlet temperature, which was calculated with an experimental formula using the exhaust temperature, exceeded 1,000 degrees C, the concentration of the emissions reduced sharply. This also indicated the combustion dynamic pressure was proportional to the gas turbine load and airflow rate, whereas the pilot fuel fraction had reduced intensity except in the high-frequency band.

引用

页码：509 / 516

页数：8

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