超临界、超超临界机组运行安全性、可靠性分析  

Analysis of security and reliability of supercritical and ultra-supercritical generating units

作　　者：赵毅[1] 马剑民[2] 梁昌乾[1] 郭俊文[2] 李飞[1] 

机构地区：[1]中国华能集团公司,北京100031 [2]西安热工研究院有限公司,陕西西安710032

出　　处：《热力发电》2013年第2期1-6,15,共7页Thermal Power Generation

摘　　要：对影响我国超临界、超超临界机组主、辅设备运行安全性和可靠性指标的原因进行归类、总结和分析。结果表明,制造质量不良、施工安装质量不良、设备老化、检修质量不良是影响机组主设备运行安全、可靠性的主要原因,尤以制造质量不良为主;漏粉、漏水、漏汽、机械磨损、堵塞、断裂、振动、冲蚀、开焊等是影响机组辅助设备运行安全、可靠性的主要原因。The factors affecting the security and reliability indices of main and auxiliary equipments for Chinese supercritical and ultra-supercritical generating units were summarized and analyzed.Poor quality of manufacture,installation and overhaul and equipment aging were considered as the main factors affecting the security and reliability of main equipments.While such problems as powder leakage,water leakage,steam leakage,mechanical wear,blocking,facture,vibration,erosion and sealing-off mainly affect that of the auxiliary equipments.

关 键 词：超临界 超超临界 汽轮发电机组 主设备 辅助设备 安全性 可靠性 

分 类 号：TK28[动力工程及工程热物理—动力机械及工程]