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Research on Low NO_x Combustor Using Lean Premixed Pre-Vaporized Combustion in High Temperature and High Pressure Gas Turbines

机译:高温高压燃气轮机贫液预汽化燃烧低NO_X燃烧器研究

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摘要

Lean pre-vaporized and premixed (LPP)combustion technology was experimentally studied for thedevelopment of low NO_x gas turbine combustors operatingunder high compression ratios, such as aero-derived turbines. Toinvestigate the combustion characteristics under high-pressureand high-temperature airflow conditions of up to 3 MPa and 550deg C, a blow-down type with a regenerative heater combustiontest facility was developed. To achieve stable combustionwithout flash back and autoignition, a rapid mixing nozzle wasdeveloped. The combustion tests of the model combustor underthe above inlet condition and 1 420 deg C at the exit showed 60percent reduction of NO_x emission level compared to theconventional air-blast nozzle combustor.
机译:瘦预蒸发和预混(LPP)燃烧技术是实验研究的低NO_X燃气轮机燃烧器训练在高压缩比,例如航空衍生的涡轮机。 在高达3MPa和550deg C的高压高温气流条件下致燃烧特性,开发了一种具有再生加热器燃烧器设施的排气型。 为了实现稳定的燃烧速度闪回和自燃,快速混合喷嘴是展开的。 与Theconventional喷嘴燃烧器相比,在出口下的上述入口条件下的模型燃烧器和1 420℃的燃烧试验显示了NO_X发射水平的60%。

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