锥芯可调型引射技术变工况适应性实验研究

刘培启; 何昕琛; 陈佳; 郭江涛; 席建宇; 胡大鹏

doi:10.11949/j.issn.0438-1157.20181522

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锥芯可调型引射技术变工况适应性实验研究

能源和环境工程 | 更新时间：2026-07-24

- 锥芯可调型引射技术变工况适应性实验研究
- Variable working condition adaptability of cone core adjustable ejector
- 化工学报 2019年70卷第6期页码：2252-2258
- 作者机构：
  
  大连理工大学化工机械与安全学院，辽宁大连 116023
- 作者简介：
  
  刘培启（1981—），男，博士，副教授，lpq21cn@dlut.edu.cn
  胡大鹏（1963—），男，博士，教授，hudp@dlut.edu.cn
- 基金信息：
  
  国家科技重大专项项目(2016ZX05066005-002);国家自然科学基金项目(21676048);大连市高层次人才创新支持计划项目(2016RQ01)
- DOI：10.11949/j.issn.0438-1157.20181522
  中图分类号： TE 377
- 收稿：2018-12-27，
  
  修回：2019-02-17，
  
  网络首发：2020-06-15，
  
  纸质出版：2019-06-05
- 稿件说明：
移动端阅览
刘培启, 何昕琛, 陈佳, 郭江涛, 席建宇, 胡大鹏. 锥芯可调型引射技术变工况适应性实验研究[J]. 化工学报, 2019, 70(6): 2252-2258

LIU Peiqi, HE Xinchen, CHEN Jia, GUO Jiangtao, XI Jianyu, HU Dapeng. Variable working condition adaptability of cone core adjustable ejector[J]. CIESC Journal, 2019, 70(6): 2252-2258
刘培启, 何昕琛, 陈佳, 郭江涛, 席建宇, 胡大鹏. 锥芯可调型引射技术变工况适应性实验研究[J]. 化工学报, 2019, 70(6): 2252-2258 DOI： 10.11949/j.issn.0438-1157.20181522.

LIU Peiqi, HE Xinchen, CHEN Jia, GUO Jiangtao, XI Jianyu, HU Dapeng. Variable working condition adaptability of cone core adjustable ejector[J]. CIESC Journal, 2019, 70(6): 2252-2258 DOI： 10.11949/j.issn.0438-1157.20181522.

摘要

随着天然气井开发时间的推移，井口压力逐渐降低，低压井口的增压集输成为研究热点。目前，常用的天然气引射技术由于结构尺寸固定，对气井的压力和流量的变化适应性差，使其运行效率普遍较低。据此，设计加工了一台锥芯可调型引射器装置，并对其变工况性能进行了实验研究。结果表明随着可调锥的深入，高压口流量减小，可实现70%左右的流量调节，而且调节过程中低压口流量几乎保持不变，从而使得装置引射率

提高，可见该引射技术具有很强的抗流量波动能力。随着可调锥的深入，装置对应的最佳膨胀比增大，从而提高了装置对大膨胀比工况的适应性。同样压缩比下，装置引射效率会随着可调锥的深入而提高，但会降低装置有效引射的压缩比范围。

Abstract

With the development of natural gas wells

the wellhead pressure is gradually reduced

and the pressurized gathering and gathering of low-pressure wellheads has become a research hotspot. At present

the common natural gas injection technology has a poor adaptability to gas well pressure and flow due to its fixed structural size

which makes its operating efficiency generally low. Based on this

the cone core adjustable ejector device was designed and processed

and its performance under variable working conditions was studied experimentally. The results show that with the inward movement of the adjustable cone

the flow rate of the high pressure port is reduced

and a wide range of flow adjustment of about 70% can be achieved; Moreover

the flow rate of the low-pressure port is almost unchanged during the adjustment process

so that the ejector rate of the device is improved

and the cone-core adjustable ejector technology has strong resistance to flow fluctuation. With the deepening of adjustable cone

the optimal expansion ratio of the device increases. Thus

the adaptability of the device to the condition of large expansion ratio is improved. At the same compression ratio

the efficiency of the device's ejection increases with the depth of the adjustable cone

but it reduces the range of compression ratios that the device effectively emits.

关键词

Keywords

references

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