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DANIEL氮气式水击泄压阀具有流通能力强、反应灵敏、适应性强、安全稳定性好、自动化程度高等特点,可跟踪阀前端水击压力的变化,当输油管道中的介质发生水击,压力达到阀门的设定值时,其能够快速开启,从而有效保护管道。介绍了仪征-长岭原油管道全线十座站场使用的DANIEL氮气式水击泄压阀的结构,工作原理,安装、启用及停用操作过程,阐述了压力设定点的检查过程和试验方法,指出了常见故障,提出了解决方案,可供长输原油管道的管理人员、技术人员和设备维护人员参考。
DANIEL nitrogen type water pressure relief valve has the characteristics of strong circulation capacity, responsiveness, adaptability, safety and stability, high degree of automation and so on. It can track the change of water hammer pressure at the front of the valve. When the water hammer and pressure When the valve setpoint is reached, it opens quickly enough to effectively protect the pipe. This paper introduces the structure, working principle, installation, start-up and stop operation of DANIEL nitrogen-type water pressure relief valve used in 10 stations of Yiling-Changling crude oil pipeline. The inspection process and test method of pressure set point , Pointed out the common faults, put forward the solution for long-term crude oil pipeline managers, technicians and equipment maintenance personnel reference.