Analysis of Heating Supply Types of Steam Turbine in Nuclear Power Plants

According to the current characteristics of steam turbines of nuclear power plants in our country, three solutions for heating supply of nuclear power plants are proposed. There are three heating supply methods for steam turbines in nuclear power plants, including extraction steam heating supply, low-pressure cylinder cut-to-cylinder heating supply, and drainage heating supply. Further, a comprehensive comparison and analysis of these three heating supply methods are carried out from the aspects of technical principle, heating energy utilization economy, and comprehensive comparison of heating methods. According to the results of comparative analysis, the technical solution that the steam turbine of the current nuclear power plant in the country should be selected for the heating supply. The calculation and analysis of the heating energy utilization economy of the steam turbine of the nuclear power plant can be used as the original technical basis for the selection of the heating mode of the steam turbine of the nuclear power plant.