
基本信息:
- 专利标题: 一种汽轮发电机转子齿头局部回火方法
- 专利标题(英):Method for locally tempering rotor tooth head of turbogenerator
- 申请号:CN201811470790.4 申请日:2018-12-04
- 公开(公告)号:CN109593938A 公开(公告)日:2019-04-09
- 发明人: 姚金传 , 韩利战 , 张燕 , 李波 , 李玲
- 申请人: 上海电气电站设备有限公司
- 申请人地址: 上海市闵行区莘庄工业区金都路3669号3幢
- 专利权人: 上海电气电站设备有限公司
- 当前专利权人: 上海电气电站设备有限公司
- 当前专利权人地址: 上海市闵行区莘庄工业区金都路3669号3幢
- 代理机构: 上海申汇专利代理有限公司
- 代理人: 翁若莹; 柏子雵
- 主分类号: C21D9/00
- IPC分类号: C21D9/00 ; C21D11/00
The invention relates to a method for locally tempering a rotor tooth head of a turbogenerator, which is used for tempering a generator rotor whose heating temperature is higher than Ac1 and lower than Ac2. The method has the following beneficial effects that after the technical scheme of the invention is adopted, the temperature and cooling rate of the generator rotor which is abnormally heated can be determined quickly, a correct local tempering process is developed to successfully eliminate the martensite structure at the burnt position and take into account the softened over-tempering zoneas to prevent further over-tempering during tempering from reducing the strength and reduce the thermal impact on the normal matrix, thus avoiding the introduction of large thermal stress on the rotor teeth.
公开/授权文献:
- CN109593938B 一种汽轮发电机转子齿头局部回火方法 公开/授权日:2021-01-12
IPC结构图谱:
C | 化学;冶金 |
--C21 | 铁的冶金 |
----C21D | 改变黑色金属的物理结构;黑色或有色金属或合金热处理用的一般设备;通过脱碳、回火或其他处理使金属具有韧性 |
------C21D9/00 | 热处理,例如适合于特殊产品的退火、硬化、淬火、回火;所用的炉子 |