摘要
阀门流量特性曲线就是阀门开度与通过阀门的蒸汽流量的对应关系 ,流量特性曲线就是与单、多阀切换密切相关的一组数据。单、多阀的切换目的是为了提高机组的经济性和稳定性 ,其实质是实现节流调节与喷嘴调节的无扰切换 ,解决变负荷过程中的均热要求与部分负荷经济性的矛盾。DEH阀门流量特性曲线试验就是通过试验的方式得到阀门流量特性曲线 ,以解决在单、多阀切换过程中出现的阀门摆动的现象 ,保证机组的安全运行。
summary:Valve door steam discharge for discharge characteristic curve is valve door openning the degree with passing the valve door of right relate to, discharge characteristic curve be with single, many valves cut over a data.Single, the purpose of cut overing of many valveses is the set's economic for the sake of the exaltation machine with the stability, in fact the quality realizes to reduce expenses to regulate and spray what regulate to have no the to cut over, solve to change the burthen process the inside all the hot request and part carry the antinomy of the economy.DEH valve door safe movement for phenomenon for valve door for discharge characteristic curve experimenting is passing the on trial way getting first valve door discharge characteristic curve, then solving at singlely, many valves cut overing the process inside appearing swinging, guaranteeing the machine set.
出处
《山东电力高等专科学校学报》
2004年第4期164-167,共4页
Journal of Shandong Electric Power College
关键词
汽轮机
超速保护装置
DEH
阀门
特性试验
蒸汽流量
Discharge characteristic single valve many valves lap over the degree change the burthen rate
