摘要
准确确定安全阀的泄放量是安全阀选型的关键之一。标准《HG/T 20570.2-1995安全阀的设置和选用》中针对控制阀故障工况下液体泄放量的计算未提供有效的计算公式。本文通过工程经验总结,提供一种控制阀故障工况下安全阀液体泄放量的计算方式,并举例说明了其使用方法。
It was one of the key factors for the selection of process safety valve （PSV）, that was to accurately determine PSV discharge. In the standards,《HG/T20570.2-1995 Setting and Selection of PSV》, the formula to calculate the liquid relief capacity of PSV under control valve failure was not introduced. Basing on some engineering experiences, this paper provided a kind of calculation method to quantify the liquid relief capacity of PSV under control valve failure. Moreover, a example was illustrated to explain how to use this calculation method.
出处
《化工技术与开发》
CAS
2014年第8期46-48,共3页
Technology & Development of Chemical Industry
关键词
安全阀
控制阀故障
液体泄放量
计算公式
PSV
control valve failure
liquid relief capacity
calculation formula
