气动调节阀保位系统在原油管道上的应用
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摘要
为了确保原油管道在设定的压力下安全运行,采用MOKVELD气动调节输油站场阀来自动调节输油站场管道进出站压力和管道压力波。原油管道输送工艺的特殊性要求调节阀出现故障时应处于保位状态。分析了现有调节阀控制原理和故障保位方案。由于调节阀配套的FISHER DVC6010电气定位器本身不具备故障保位功能,通过对调节阀进行增加电磁阀和信号保护模块的改造,实现了调节阀的故障保位功能。改造后的调节阀已成功应用于原油管道,确保了管道安全平稳运行。
In order to ensure safety operation of crude oil pipeline under certain pressure,the MOKVELD pneumatic control valve is adopted in oil transmission station for regulating the inlet and outlet pressure of the station and the pressure wave of the pipeline.In accordance with the particularity of transportation process,it is requested that the control valve shall be in position securing state when it fails.The control principle and position securing strategy of existing control valve are analyzed.Due to the ancillary DVC6010 electric / pneumatic positioner from FISHER does not support position securing function,it is necessary to add solenoids and signal protection module to revamp and realize this function.The revamped control valve has been used in crude oil pipeline and the safety and smooth operation is ensured.
In order to ensure safety operation of crude oil pipeline under certain pressure,the MOKVELD pneumatic control valve is adopted in oil transmission station for regulating the inlet and outlet pressure of the station and the pressure wave of the pipeline.In accordance with the particularity of transportation process,it is requested that the control valve shall be in position securing state when it fails.The control principle and position securing strategy of existing control valve are analyzed.Due to the ancillary DVC6010 electric / pneumatic positioner from FISHER does not support position securing function,it is necessary to add solenoids and signal protection module to revamp and realize this function.The revamped control valve has been used in crude oil pipeline and the safety and smooth operation is ensured.
引文
[1]布赖思·内比斯特.阀门和驱动装置技术手册[M].张清双,尹玉杰,李树勋,等,译.北京:化学工业出版社,2010:171-180.
[2]明赐东.调节阀应用[M].北京:化学工业出版社,2006:193-195.
[3]江秀汉,李琳,孟立宏,等.长输管道自动化技术[M].西安:西北工业大学出版社,2000:110-111.
[4]王冰怀,赵桂英,梅斌,等.输油管道工程设计[M].东营:中国石油大学出版社,2010:709-711.
[5]王福珍.调节阀的故障保位[J].石油化工自动化,2011,47(2):55-56.
[6]调节阀故障保位的几种方法[EB/OL].[2011-02-16]http://wenku.baidu.com/view/7440c5f4f61fb7360b4c658c.html.
[7]左国庆,明赐东.自动化仪表故障处理[M].北京:化学工业出版社,2004:210-211.
[2]明赐东.调节阀应用[M].北京:化学工业出版社,2006:193-195.
[3]江秀汉,李琳,孟立宏,等.长输管道自动化技术[M].西安:西北工业大学出版社,2000:110-111.
[4]王冰怀,赵桂英,梅斌,等.输油管道工程设计[M].东营:中国石油大学出版社,2010:709-711.
[5]王福珍.调节阀的故障保位[J].石油化工自动化,2011,47(2):55-56.
[6]调节阀故障保位的几种方法[EB/OL].[2011-02-16]http://wenku.baidu.com/view/7440c5f4f61fb7360b4c658c.html.
[7]左国庆,明赐东.自动化仪表故障处理[M].北京:化学工业出版社,2004:210-211.