MATEC Web Conf.
Volume 114, 20172017 International Conference on Mechanical, Material and Aerospace Engineering (2MAE 2017)
|Number of page(s)||5|
|Section||Chapter 1: Mechanical|
|Published online||10 July 2017|
Gas Holding mechanism and Impeller Structure Optimization of High Efficiency Gas-Liquid Mixer
Mechanical and Electrical Engineering Institute, Beijing University of Chemical Technology, Beijing 100029, China
a Corresponding author: Ting Jun Yan: email@example.com.
This research aims at researching one high efficiency gas-liquid mixer which can be applied under high gas content condition and can overcome the limited application of sedimentation and rotary oil-gas separator for electric submersible pump. Standard k-ε model and population balance model of the Fluent are applied to simulate the gas-liquid two-phase flow in high efficiency gas-liquid mixer. The internal flow field of impeller opening with different radius and amounts are simulated. The gas holding mechanism of high efficiency gas-liquid mixer is also analyzed. Then according to the gas particle size at the output of impeller, the optimized structure parameter can be obtained. The simulation results show that part of the high pressure liquid at impeller outlet would form cross flow with fluid in normal flowing inside the impeller passage to produce strong shear friction inside the area and burst a large amount of bubbles accumulated in the area. Also, it is proved to be more beneficial for breaking bubble and dealing with gas under the circumstances that gas content at the input is higher than 35%, opening diameter of impeller is Φ4.8mm and opening amount of impeller is 2.
© The Authors, published by EDP Sciences, 2017
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