Analysis of tribological test and performance under rings end faces of spiral groove dry gas seal

DING Xuexing; WANG Pingxi; ZHANG Weizheng; YU Shurong; WEI Long

doi:10.11949/j.issn.0438-1157.20160891

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Analysis of tribological test and performance under rings end faces of spiral groove dry gas seal

更新时间：2025-11-26

- Analysis of tribological test and performance under rings end faces of spiral groove dry gas seal
- CIESC Journal Issue 1, Pages: 208-214(2017)
- 作者机构：
  
  1. 兰州理工大学石油化工学院,甘肃,兰州,730050
  2. 南京科技职业学院江苏省流体密封与测控工程技术研究开发中心,江苏,南京,210048
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160891
  CLC： H117.1
- Online First：05 January 2017，
  
  Published：05 January 2017
- 稿件说明：
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DING Xuexing, WANG Pingxi, ZHANG Weizheng, et al. Analysis of tribological test and performance under rings end faces of spiral groove dry gas seal[J]. CIESC Journal, 2017, (1): 208-214.
DOI：

DING Xuexing, WANG Pingxi, ZHANG Weizheng, et al. Analysis of tribological test and performance under rings end faces of spiral groove dry gas seal[J]. CIESC Journal, 2017, (1): 208-214. DOI： 10.11949/j.issn.0438-1157.20160891.

摘要

干气密封环端面在启停阶段和由于制造装配误差等造成非正常运行时存在严重的端面接触摩擦，有必要对干气密封动静环进行摩擦学试验，从而分析并探讨其摩擦学特性。利用端面摩擦磨损试验机，选定合适的工况参数与相应的测试技术对螺旋槽干气密封环进行测试，研究不同工况下的摩擦学特性。结果表明：在特定工况下的试验中，螺旋槽干气密封端面存在明显的磨合现象；当工况从226 N、150 r·min-1增大至1130 N、500 r·min-1时，石墨环磨损量最大增加193.3%，摩擦系数最大降低22.3%，说明石墨环的自润滑性影响密封端面的摩擦性能；由于端面间螺旋槽的存在，石墨环内圈磨损大于外圈。试验结果可为今后端面摩擦学性能的优化提供依据。

Abstract

There is a serious face contact friction on dry gas seal ring face when it is in the start-up phase and abnormal operation

therefore

to analyze and discuss the tribology performance

the tribological test is necessary for dry gas seal dynamic and static ring.The dynamic and static spiral groove dry gas seal ring was tested to study the tribology performance under different operating mode by using the friction and wear tester with selected reasonable test conditions and the corresponding testing technology.The results of the test indicated that there was the obvious running-in phenomenon for spiral groove dry gas seal face in the special condition test.Moreover

the tribology performance of the face was changed with the test.Besides

when the rotational speed and load increased from 150 r·min-1 and 226 N to 500 r·min-1 and 1130 N

the wear mass loss of graphite ring was increased by 193.3% but the friction coefficient was decreased 22.3%.This showed that the self-lubrication of graphite ring affected the friction state of the seal face.Because the spiral groove end face contact was different from the smooth surface

the inner ring was more wear than outer ring of the graphite ring.The test results provided a basis for tribological performance optimization of the spiral groove dry gas seal face.

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