- 1、本文档被系统程序自动判定探测到侵权嫌疑,本站暂时做下架处理。
- 2、如果您确认为侵权,可联系本站左侧在线QQ客服请求删除。我们会保证在24小时内做出处理,应急电话:400-050-0827。
- 3、此文档由网友上传,因疑似侵权的原因,本站不提供该文档下载,只提供部分内容试读。如果您是出版社/作者,看到后可认领文档,您也可以联系本站进行批量认领。
查看更多
火力发电厂金属材料选用导则
DL/T715-2000
前 言
本标准是根据原电力工业部 1996年电力行业标准计划项目 (技综 [1995]15号)的安
排制订的。
火力发电设备由锅炉、汽轮机、发电机及其辅机配套而成。设备用钢种类繁多,耗钢量
大,部件运行条件各异,有些长期在高温、高压条件下运行,有些在高速旋转条件下承受扭
矩和冲击载荷的作用,有些则要在烟、汽、水等腐蚀介质条件下工作,因此,对材料性能的
要求也各不相同。此外,为节约能源,提高热效率,机组的单机容量和蒸汽参数不断提高,
亚临界和超临界参数机组 日益增多,从而对火力发电设备用钢提出了更高的要求。另一方
面.进口大机组和超期服役机组逐年增加,因此,进口机组材料的国产化和超期服役机组的
延寿改造工作也显得十分重要。
为正确选用火电机组重要部件金属材料,充分发挥材料的可用潜力,有效地提高机组的
运行可靠性,为超期服役机组的延寿改造、部件的修理与更换 、进口机组材料的国产化与代
用等提供技术依据,为进一步提高金属技术监督管理水平,原电力工业部下达了制订电力行
业标准 《火力发电厂金属材料选用导则》的任务。
本标准附录A为提示的附录。
本标准由中华人民共和国原电力工业部提出。
本标准由电力行业电站金属材料标准化技术委员会归日。
本标准起草单位:国家电力公司热工研究院。
本标准主要起草人:王金瑞、姜求志、李益民、顾介平、钱祥鹏、薛一如。
本标准由电力行业电站金属材料标准化技术委员会负责解释。
目 次
前言·····················,················································································…… 286
1 范围 ·······,··,······························,·····,····························,·················…… 288
2 引用标准 ········································································,················…… 288
3选材的基本原则 ·············································································…·…290
4 金属材料的选用 ··············································································…… 291
4.1蒸汽管道、集箱和锅炉受热面管子用金属材料 ·································…… 291
4.2锅炉锅筒用金属材料 ···········································································…… 291
4.3 锅炉受热面固定件及吹灰器用金属材料 ······················································…… 293
4.4 汽轮机主轴、转子体、轮盘和叶轮用金属材料 ·············································…… 294
4.5 汽轮发电机转子和无磁性护环用金属材料 ·····,··,··········································…… 296
4.6汽轮机叶片用金属材料 ········································································…… 296
4.7紧固件用金属材料 ···········································,··································…… 297
4.8 汽轮机与锅炉铸钢件用金属材料 ·······,···························
您可能关注的文档
- DL/T608-1996《200MW级汽轮机运行导则》.pdf
- DL/T610-1996《200MW级锅炉运行导则》.pdf
- DL/T611-1996《300MW级锅炉运行导则》.pdf
- DL/T614-2007《多功能电能表》.pdf
- DL/T622-1997《立式水轮发电机弹性金属塑料推力轴瓦技术条件》.pdf
- DL/T623-1997《电力系统继电保护及安全自动装置运行评价规程》.pdf
- DL/T624-1997《微机保护微机型试验装置技术条件》.pdf
- DL/T628-1997《集合式高压并联电容器订货技术条件》.pdf
- DL/T630-1997《交流采样远动终端技术条件》.pdf
- DL/T631-1997《模拟屏驱动器通用技术条件》.pdf
文档评论(0)