调压阀生产过程关键参数计算与基于CFD的流场分析

It is essential of production pressure control during the process of high-pressure gas gathering and transportation. The pressure regulating is achieved through constant pressure valve. The calculation of pressure regulating valve is the important part of ensuring production effect. Based on the field test parameters and thermodynamic theory，this article calculates pressure, temperature and hydrate formation during transformation process. On this basis, it completes flow field numerical calculation based on CFD. The result visually displays internal flow field distribution. It also reflects the variation rule of regulating valve working process, such as the velocity, pressure, and temperature distribution at the valve outlet. The numerical calculation results provide useful references to the prevention of hydrate formation and the optimization design of regulating pressure valve.