| 禹贵成,宋伟,梁天佑,汤丁,黎明,韩华明.压缩机组连接螺栓异常断裂失效分析与治理[J].装备环境工程,2021,18(7):94-98. YU Gui-cheng,SONG Wei,LIANG Tian-you,TANG Ding,LI Ming,HAN Hua-ming.Analysis and Treatment for Abnormal Failure of Connecting Bolt on Compressor Unit[J].Equipment Environmental Engineering,2021,18(7):94-98. |
| 压缩机组连接螺栓异常断裂失效分析与治理 |
| Analysis and Treatment for Abnormal Failure of Connecting Bolt on Compressor Unit |
| 投稿时间：2021-02-02 修订日期：2021-03-17 |
| DOI：10.7643/issn.1672-9242.2021.07.014 |
| 中文关键词: 压缩机组 螺栓断裂 管嘴失效 治理 |
| 英文关键词:compressor unit bolt fracture nozzle failure treatment |
| 基金项目:重庆市科技重大主题专项重点研发项目(cstc2018jszx-cyztzxX0032) |
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| Author | Institution |
| YU Gui-cheng | Gas Storage Management Office of Southwest Oil and Gasfield Company-Chongqing Gas District, Chongqing 401147, China |
| SONG Wei | Chongqing University, Chongqing 400044, China |
| LIANG Tian-you | Chongqing University, Chongqing 400044, China |
| TANG Ding | Gas Storage Management Office of Southwest Oil and Gasfield Company-Chongqing Gas District, Chongqing 401147, China |
| LI Ming | Gas Storage Management Office of Southwest Oil and Gasfield Company-Chongqing Gas District, Chongqing 401147, China |
| HAN Hua-ming | Southwest Oil and Gasfield Company-Chongqing Gas District, Chongqing 400021, China |
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| 中文摘要: |
| 目的 解决压缩机组一级进气缓冲罐连接螺栓断裂及管嘴失效问题。方法 针对压缩机机械结构和生产工况，通过气流脉动、机械振动测试分析，并结合仿真分析，提出气流脉动抑制措施和机械振动控制措施。分析得出一级进气缓冲罐连接螺栓断裂及管嘴失效的主要原因。结果 压缩机组中体支撑结构刚度不够，缸内交变气流力作用引起进气缓冲罐和气缸水平方向振动。原机组气流脉动控制设计不合适，导致一级进气缓冲罐内脉动不平衡力偏大。结论 提出了基于气流脉动控制和机械振动控制的整改方案，并进行了初步实施，实现了管嘴法兰螺栓受力状态的优化，降低了振动强度，达到了治理目的。 |
| 英文摘要: |
| To solve the problem that the attachment bolts and nozzle of air intake buffer tanks may fail in the reciprocating compressors. According to the mechanical structure and production conditions of the compressor, through the test and analysis of air pulsation and mechanical vibration, combined with the simulation analysis, the air pulsation suppression measures and mechanical vibration control measures are proposed. The main reasons for the fracture of the connecting bolt and the failure of the nozzle of the primary air intake buffer tank are as follows:The rigidity of the support structure of the compressor unit is not enough, and the horizontal vibration of the air intake buffer tank and the cylinder is caused by the alternating air flow force in the cylinder. The control design of unit’s air pulsation is not reasonable, which leads that the unbalance force caused by pulse is too large. or the analysis of the failure causes, the rectification is proposed from the aspects of air flow pulsation control and mechanical vibration control. The analysis shows that the control scheme optimizes the stress state of the flange bolt on the nozzle, reduces the vibration intensity, and achieves the control purpose. |
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