The Design of Pressure Regulating System for Large LNG Storage Tank Dome Gas Lift

被引：0
|
作者：
Lv, Zhe [1 ]
Chen, Yongliang [1 ]
Zhang, Qing [1 ]
Li, Jinding [1 ]
机构：
[1] Tianjin Univ, Sch Mech Engn, Tianjin 300072, Peoples R China
来源：
SENSORS, MECHATRONICS AND AUTOMATION | 2014年 / 511-512卷
关键词：
LNG storage tank; Gas lift; Pressure sensors; PID control;
D O I：
10.4028/www.scientific.net/AMM.511-512.1081
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Dome gas lift is one of the core link in the process of the construction of a large LNG (liquefied natural gas) storage tank. The process of traditional gas lift is relying on the working experience to control the gas pressure inside the storage tank, which has low control precision and poor operability. In this paper, a kind of PID control method was designed through the analysis of the gas lift process and the data was extracted as the feedback parameters by multi-point gas pressure sensors. Simulation was proceeded by the MATLAB software. The results show that, this PID control method can automatically adjust the pressure of the process of gas lift. And it also has fast, stable and reliable control performance. This method has important practical value in improving the control precision of the large LNG storage tank gas lift.
引用
收藏
页码：1081 / 1084
页数：4
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