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利用CAESARⅡ应力分析程序对1000MW直接空冷机组排汽管道进行了整体应力分析。根据美国ASMEB31.1《动力管道》标准要求及工程实践经验,考虑了管道在内压、自重、热胀、基础差异沉降、地震、风载等荷载作用下管道的受力情况,并通过荷载工况的组合作用,得出各个工况下管道的应力分布和各个支吊点、设备接口的受力情况,并进行了补偿器的初步选型,为1000MW直接空冷排汽管道设计提供了解决方案。
Using CAESAR Ⅱ stress analysis program, the overall stress of the exhaust pipe of a 1000 MW direct air-cooled unit is analyzed. According to the requirements of ASMEB31.1 “Power Pipeline” and engineering experience in the United States, the stress of the pipe under the load of internal pressure, self-weight, thermal expansion, basic differential settlement, earthquake and wind load is considered. The combination of the role of the situation under various conditions were obtained under the stress distribution and support points hanging points, the interface of the force situation, and the initial selection of the compensator for the 1000MW direct air-cooled exhaust pipe design provides a solution .