燃气-蒸汽联合循环电厂天然气调压站设计

摘要

结合国际工程设计实践，介绍燃气-蒸汽联合循环电厂天然气调压站典型系统流程，重点阐述了ESD、超声波流量计、旋风分离器、凝聚式过滤器等主要设备的功能、选型和配置。同时对设计中常见问题及注意事项做了说明，指出了加热与调压单元的参数选择对电厂性能、厂用电率有较大影响，应为天然气调压站的设计重点，准确核算。%According to the international engineering design practice,the typical flow process of natural gas regulating and metering station in a gas-steam combined cycle power plant was described with the focus on the function, selection, configuration of major equipments such as ESD, ultrasonic flow meter, cyclone separator,coalescing filter,etc.Common problems and matters to be noted during design were illustrated.It was pointed out that the parameters of the heating unit and regulating unit had significant impacts on the plant performance and electrical consumption rate,which should be emphasized during design.