一种先旋流后膨胀型超声速分离器脱水性能实验

doi:10.7623/syxb201202020

石油学报 ›› 2012, Vol. 33 ›› Issue (2): 310-314.DOI: 10.7623/syxb201202020

一种先旋流后膨胀型超声速分离器脱水性能实验

文　闯 1　曹学文 1　杨　燕 1　张玉蛟 2　张　静 3　王国栋 1

1中国石油大学储运与建筑工程学院　山东青岛　266555；2中国石油管道公司　河北廊坊　065000；3中国石油西气东输管道分公司　上海　200122

收稿日期:2011-08-17 修回日期:2011-11-23 出版日期:2012-03-25 发布日期:2012-05-17
通讯作者: 文　闯
作者简介:文　闯，男，1985年2月生，2007年获中国石油大学油气储运工程专业学士学位，现为中国石油大学在读博士研究生，主要从事多相管流及油气田集输技术研究工作。
基金资助:
国家高技术研究发展计划（863）项目（2007AA09Z301）、国家自然科学基金项目（No.51006123）、中央高校基本科研业务费专项基金（11CX06079A）和中国石油大学（华东）优秀博士学位论文培养计划项目资助。

A dehydration experiment on a new-style supersonic swirling separator

WEN Chuang 1　CAO Xuewen 1　YANG Yan 1　ZHANG Yujiao 2　ZHANG Jing 3　WANG Guodong 1

Received:2011-08-17 Revised:2011-11-23 Online:2012-03-25 Published:2012-05-17

摘要/Abstract

摘要：

根据角动量守恒原理，设计加工了一套包含中心体的先旋流后膨胀型超声速旋流分离装置，并搭建室内实验系统对该分离装置的脱水性能进行研究，主要分析了压力恢复系数对露点降的影响和旋流对分离器过流能力的影响。结果表明：经先旋流后膨胀型超声速旋流分离器分离后，分离器干气出口的水露点可达到−2.8℃，露点降可达34.9℃，且露点降随着压力恢复系数的增加而减小；保持分离器的压力恢复系数小于70%时，干气出口的水露点降最少达18℃，分离器可正常工作；在不同入口压力条件下，分离器的水露点降基本相同，分离器的流量适应能力较强，脱水性能稳定；旋流强度增加将减小通过分离器的流体质量流量，只有来流的质量流量达到设计的临界流量时，分离器才可正常工作。

关键词: 超声速分离器, 脱水, 露点降, 旋流强度, 实验研究

Abstract:

Based on the conservation principle of angular momentum, we designed a new-style supersonic swirling separator equipped with a swirling device at the intake of the supersonic nozzle. Accordingly, an indoor experimental loop to test dehydration of this supersonic separator with moist air was set up, and effects of the pressure recovery coefficient on dew-point depression and the swirling strength on mass flow rates were examined, respectively. The results show that after water is removed with the supersonic swirling device, the dew point of water at the net-gas outlet can drop to −2.8℃, namely the dew-point depression is about 34.9℃. The dew-point depression decreases with an increase of the pressure recovery coefficient. The dew-point depression of water at the net-gas outlet is at least 18℃ when the pressure recovery coefficient of the separator keeps less than 70%, which gets the supersonic separator working normally. The dew-point depression of water at the net-gas outlet is nearly identical although different inlet pressure is experimentally assigned. Changes of mass flow rates with variable inlet pressures demonstrate that the supersonic separator has a high adaptability to mass flow rates and its dehydration ability is stable. The increase of the swirling strength will decrease the flux of mass flow rates through the supersonic separator. Only when the flux of inlet mass flow rates reach to the designed critical flow rate, can the supersonic swirling separator work normally.

Key words: supersonic separator, dehydration, dew-point depression, swirling strength, experimental study

文　闯　曹学文　杨　燕　张玉蛟　张　静　王国栋. 一种先旋流后膨胀型超声速分离器脱水性能实验[J]. 石油学报, 2012, 33(2): 310-314.

WEN Chuang　CAO Xuewen　YANG Yan　ZHANG Yujiao　ZHANG Jing　WANG Guodong. A dehydration experiment on a new-style supersonic swirling separator[J]. Editorial office of ACTA PETROLEI SINICA, 2012, 33(2): 310-314.

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一种先旋流后膨胀型超声速分离器脱水性能实验

A dehydration experiment on a new-style supersonic swirling separator

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