CAJ | 학술논문

压气机是燃气轮机的重要组成部件之一,其进口导流叶片（inlet guide vane,简称IGV）安装在第1级动叶前,用来控制进入第1级动叶前的气流方向。介绍了IGV的结构;简述了2种可调IGV的控制方式;分析了可调IGV对燃气蒸气联合循环性能的影响;列举了可调IGV技术的工程应用效果。结果表明,在联合循环机组中采用连续可调的IGV技术,可防止压气机在低负荷运行过程中发生喘振,还可在部分负荷时提高联合循环的总体热效率。
압기궤시연기륜궤적중요조성부건지일,기진구도류협편（inlet guide vane,간칭IGV）안장재제1급동협전,용래공제진입제1급동협전적기류방향。개소료IGV적결구;간술료2충가조IGV적공제방식;분석료가조IGV대연기증기연합순배성능적영향;열거료가조IGV기술적공정응용효과。결과표명,재연합순배궤조중채용련속가조적IGV기술,가방지압기궤재저부하운행과정중발생천진,환가재부분부하시제고연합순배적총체열효솔。
Gas compressor was the important constituent part of the combustion gas turbine,its inlet guide vane（Inlet Guide Vane hereinafter referred as IGV） was installed ahead of the first stage rotating impeller to control gas flow direction before entering to the first stage rotating impeller.Author has introduced the structure of IGV;has briefly described the control mode of two kinds of the adjustable IGV;has analyzed the influence of the adjustable IGV on combustion gas-steam joint circulation performance;has listed the engineering application effect of adjustable IGV technology.Result indicates that using continuous and adjustable IGV technology in joint circulating machine set can protect from surge occurring in low load running process of gas compressor,it also can increase the total heat efficiency of joint circulation in case of partial load.