大型天然气联合循环电厂的设计优化

为了使我国正在建设的一批大型天然气联合循环电厂投资省、效率高、投产后具有较好的经济效益,对其设计进行优化至关重要。文章对影响大型天然气联合循环电厂效率的各种因素进行了深入的研究,对联合循环系统、燃气轮机选型、蒸汽系统、参数选择、余热锅炉和汽轮机选型、机组轴系配置、动力岛布置等方面进行了设计优化,并提出了明确的优化结论。

Design Optimization of Large Natural Gas Combined Cycle Power Plant

It is very important to optimize design for saving investment, high efficiency and better economic benefits of building large natural gas combined cycle power plant in China. The paper studied the various factors, which affected efficiency of large natural gas combined cycle power plant. The design for combined cycle system, the type selecting of gas turbine, steam system, parameter option, remaining heat boiler and the type selecting of steam turbine and unit shafting, power island arrangement etc. was optimized, and the definite optimization conclusion was put forward.