压缩机高压填料泄漏问题研究  

ON LEAKAGE OF HIGH PRESSURE PACKING IN COMPRESSOR

作　　者：乔松涛[1] 侯超[1] 张雪成 乔慧霞 陆君 李世伟[1] Qiao Songtao;Hou Chou;Zhang Xuecheng;Qiao Huixia;Lu Jun;Li Shiwei(SINOPEC Zhongyuan Oilfield Company,Puyang,Henan,457000)

机构地区：[1]中国石油化工股份有限公司中原油田分公司,河南濮阳457000

出　　处：《石油化工设备技术》2022年第1期46-51,I0003,共7页Petrochemical Equipment Technology

摘　　要：针对储气库高压大排量压缩机运行中出现的高压填料泄漏问题进行调查研究并提出解决方案。首先对填料盒内各环承压密封进行仿真分析,论证了三瓣式填料环易破碎的原因是应力集中问题,提出改用六瓣式填料环的解决方案,消除了应力集中,并进一步改进了六瓣式填料环材质形式,采用PEEK+金属材质组合,提高了外环的强度与韧性;其次通过对填料环进行动载荷分析,发现了润滑油粘滞引起的填料环爆裂问题;最后通过对弹簧束缚力进行分析,提出了增加弹簧束缚力并采用实心弹簧的改进措施。经上述改进后,现场试验密封效果良好,解决了填料泄漏问题。Aiming at the leakage problem of high pressure packing in the operation of high pressure and large displacement compressor in gas storage,investigation and analysis were carried out,and solutions were put forward.First of all,simulation analysis on the pressure sealof each ring in the packing box was carried out.It was demonstrated that the reason for the vulnerability to breakage of the three petal packing ring was the stress concentration.Asix petal packing ring was proposed to eliminate the stress concentration.The material form of the six petal packing ring was further improved,and the combination of PEEK+metal material was adopted to improve the strength and toughness of the outer ring.Then through dynamic load analysis of the packing ring,it was found that the bursting problem was caused by the viscosity of the lubricating oil.Finally,through analysis of spring binding force,the improvement of increasing spring binding force and adopting solid spring was put forward.After the above improvements,the sealing effect was good in the field test and the packing leakage problem was solved.

关 键 词：压缩机 高压 填料 泄漏 储气库 

分 类 号：TE974[石油与天然气工程—石油机械设备]