Research on Ground Wellhead Heating Technology Based on Particle Cavitation
Aiming at the problems of high energy consumption,low efficiency,low safety and others in the traditional ground wellhead heating method,a new ground wellhead heating method-particle cavitation technology is proposed by analyzing the principle of particle cavitation-the dynamic equation of cavitation bubbles and the cavitation threshold value.Establish corresponding dynamic equations according to the principle of cavitation,solve the dynamic equations using numerical simulation method,and obtain a particle cavitation model.Simulation analysis of the temperature,velocity,and energy efficiency of particle cavitation technology is conducted separately,and conduct compare and analyze with performances of electric heating and frequency jet heating.The simulation results show that particle cavitation technology has high temperature accuracy control and can control the temperature within the target value;The speed change is a parabolic form that allows for rapid heating;High energy conversion efficiency,capable of achieving low energy consumption and high efficiency.Compared with the performances of electric heating and frequency jet heating,particle cavitation technology has the characteristics of rapid heating speed,low energy consumption,uniform temperature distribution,high safety coefficient and so on,which meets the requirements of ground wellhead heating technology.
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