Design And Theoretical Study Of Supersonic Nozzle Atomizer Carbon Fiber Sucker Rod

In the process of natural gas exploitation,the phenomenon that the gas wells can not be produced normally due to the effluent from the bottom of the well is common in the major gas fields,so clearing the bottom effusion is an important work in the natural gas extraction process.In recent years,supersonic atomization and drainage technology has been proposed,utilize the energy of natural gas to atomize the bottom effusion.On this basis,this paper designs a supersonic nozzle atomizer,and carried out the relevant theoretical research.In this paper,the overall design of supersonic atomization and gas production technology is carried out.The structure design of supersonic nozzle atomizer is studied,and the flow pattern of airflow in Laval nozzle is studied.Combined with the design method of Laval nozzle The design of the Laval nozzle is carried out by using the Fluent fluid analysis software.The rationality of the designed nozzle is verified,and the flow field inside the atomizer is simulated to obtain the gas phase distribution and the influence of gas pressure,liquid mass flow rate,gas-liquid inlet angle and mixing hole diameter on the atomization effect were analyzed.Finally,the size of the maximum droplet was carried out.A set of test system and atomizer model were designed to study the influence of gas and liquid inlet pressure on the atomization effect.It is found that the droplet after atomization of the designed atomizer is less than the diameter of the droplet that can be completely carried out of the wellbore.This paper has made a preliminary study on the field of atomization and drainage technology,which provides an important reference for the subsequent research on atomization and drainage.