高温锅炉关键承压部件损伤模式研究  

Research on Damage Modes of Key Pressure-bearing Parts of High-temperature Boiler

作　　者：张皓琦 黄焕东 竺国荣 王杜 孔凡玉 ZHANG Hao-qi;HUANG Huan-dong;ZHU Guo-rong;WANG Du;KONG Fan-yu(College of Quality and Safety Engineering,China Jiliang University,Hangzhou 310018,China;Ningbo Special Equipment Inspection and Research Institute,Ningbo 315048,China)

机构地区：[1]中国计量大学质量与安全工程学院,浙江杭州310018 [2]宁波市特种设备检验研究院,浙江宁波315048

出　　处：《管道技术与设备》2022年第5期47-50,62,共5页Pipeline Technique and Equipment

基　　金：浙江省市场监督管理局科研计划项目(20210137);浙江省质量技术监督系统科研计划项目(20180119);中国计量大学质量与安全工程学院横向课题(211033)。

摘　　要：针对锅炉在运行环境中发生故障,应了解锅炉关键承压部件的损伤模式,以提高锅炉运行的安全性和可靠性。文中以锅炉主蒸汽管道及水冷壁为例,依据锅炉检验时常见的损伤情况,结合承压设备损伤模式的相关分类标准,主要考虑高温环境的影响,对主蒸汽管道及水冷壁的损伤模式进行了分类研究。总结了高温环境下以蠕变、疲劳等为主的损伤情况及其产生原因和相关特点,为保障高温条件下锅炉承压部件的安全运行提供参考。Aiming at the failure of boiler in operation environment,in order to improve the safety and reliability of boiler operation,it is necessary to understand the damage mode of key bearing parts of boiler.This paper took main steam pipe and water-cooled wall of boiler as examples and according to the common damage situations of boiler inspection,combined with the related classification standards about the damage modes of pressure-bearing equipment and the influence of high-temperature environment was mainly considered,the damage modes of main steam pipe and water-cooled wall were classified and studied.The causes and related characteristics of creep,fatigue and other main damage modes under the high-temperature environment were summarized.It provides reference for the safe operation of boiler bearing parts under high temperature.

关 键 词：高温锅炉 主蒸汽管道 水冷壁 损伤模式 

分 类 号：X933[环境科学与工程—安全科学]