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首页> 外文期刊>Hydrotechnical Construction >EXPERIMENTS ON A LOW-EMISSION TWO-STAGE MODEL COMBUSTOR FOR A MEDIUM-POWER GAS TURBINE
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EXPERIMENTS ON A LOW-EMISSION TWO-STAGE MODEL COMBUSTOR FOR A MEDIUM-POWER GAS TURBINE

机译：用于中型电力燃气轮机低发射两级模型燃烧器的实验

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摘要

This paper is the last in the series on the reasearch into the sequential combustion process in a combustor with an outlet gas temperature of 1600 – 1700°C and permissible levels of CO and NOx emissions. The results of experiments on a model sequential combustor with an outlet gas temperature of 1460°C at a rated load are presented. The possibility of increasing the temperature to 1690°C was examined. The goal was to confirm that the combustor can operate in the range from 700 to 1700°C. The combustor has two sequential burners. The values of the velocities and air and fuel flow rates in both stages are taken from the previous studies. The model combustor was tested in the following operating conditions of the gas turbine: idling, transition to low-emission operation, and full load. The emission characteristics are compared for the following three schemes of combustion: (i) the air and fuel are supplied only to the first burner, the second burner being closed; (ii) the air is supplied to both burners while the fuel is supplied only to the first burner, the second burner operating as a combustor mixer; (iii) the air and fuel in optimal ratio are supplied to both burners.
机译：本文采用燃烧器中的顺序燃烧过程中的串联串联，出口气体温度为1600-1700℃，允许的CO和NOx排放水平。提出了在额定负载下具有1460℃的出口气体温度的模型顺序燃烧器的实验结果。检查将温度升至1690°C的可能性。目标是确认燃烧器可以在700到1700°C的范围内运行。燃烧器有两个顺序燃烧器。两级的速度和空气和燃料流量的值取自先前的研究。在燃气轮机的以下操作条件下测试模型燃烧器：怠速，过渡到低排放操作和满载。比较排放特性，以实现以下三种燃烧方案：（i）空气和燃料仅向第一燃烧器供应，第二燃烧器关闭; （ii）空气供应到两个燃烧器，同时燃料仅向第一燃烧器供应，第二燃烧器作为燃烧器混合器操作; （iii）空气和燃料以最佳比率供应到两个燃烧器。

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