化学工程2017，Vol.45Issue(4)：63-67,73,6.DOI:10.3969/j.issn.1005-9954.2017.04.014
超音速天然气脱水装置螺旋导流器的设计与优化
Design and numerical optimization of natural gas supersonic dehydration unit swirl parts
摘要
Abstract
To explore the optimum discharge blade angle of the swirl flow director in natural gas supersonic dehydration units,a swirl fluid distributor was firstly designed for the supersonic cryogenic separation device based on the actual composition of natural gas.The FLUENT software was then used to predict the evolution of the spiral fluid flow,and the numerical predictions incorporated with the theoretical results were compared to the performance parameters of the similar equipment.The coincidence of comparison verified the reasonability of the structure.Finally,the swirl flow directors with five different blade outlet angles 20°,25°,30°,35°,40° were simulated.The results showed that the tangential velocity decreased greatly with the outlet angle increasing from 20° to 25°,and the decreasing extent declined with the continue enlargement of the angle.With different outlet blade angles,the axial velocity behaved generally consistent and the radial velocity distributed with a large variation.The radial velocity fluctuated with the minimal magnitude and the highest stability when the outlet angle was 30°.The ratio of the kinetic energy to pressure drop was in the optimal range as the outlet angle remained from 25° to 35°.On basis of the aforementioned analysis,the velocity distribution and pressure loss were the most reasonable when the outlet blade angle was 30°.关键词
天然气脱水/超音速低温/螺旋导流器/数值模拟Key words
natural gas dehydration/supersonic cryogenic/spiral flow distributor/numerical simulation分类
能源科技引用本文复制引用
周驰,段振亚,张挺,范军领,刘新哲,刘永阵,贾文广..超音速天然气脱水装置螺旋导流器的设计与优化[J].化学工程,2017,45(4):63-67,73,6.基金项目
山东省高等学校科技计划项目(J16LB73,J15LC16) （J16LB73,J15LC16）
