压缩机可倾瓦轴承动静态特性分析及其国产化改造  

ANALYSIS ON STATIC AND DYNAMIC CHA-RACTERISTICS OF TILTING-PAD BEARINGS IN COMPRESSOR AND THEIR LOCALIZATION MODIFICATION

作　　者：许飞 王德强 Xu Fei;Wang Deqiang(SINOPEC Zhenhai Refining and Chemical Co.,Ltd.,Ningbo,Zhejiang,315200;Shandong Zhitong Machinery Co.,Ltd.,Jinan,Shandong,250014)

机构地区：[1]中国石油化工股份有限公司镇海炼化分公司,浙江宁波315200 [2]山东智通机械有限公司,山东济南250014

出　　处：《石油化工设备技术》2024年第6期24-30,I0002,共8页Petrochemical Equipment Technology

摘　　要：针对引进的压缩机可倾瓦轴承,运用滑动轴承性能数据库技术,计算分析了转速、瓦间隙、进油压力和进油温度对可倾瓦轴承动、静态特性的影响规律。结果表明:随着瓦间隙的增大,瓦油膜力减小,摩擦功耗降低,瓦温降低,而油膜厚度、瓦进油量、泄油量增大;随着进油温度的升高,油膜力减小,摩擦功耗降低,最小油膜厚度减小,瓦温相应地升高;在进油压力0.10~0.20 MPa范围内,进油量、泄油量和摩擦功耗随着进油压力的升高略有增加,而偏心率、油膜力、瓦温和最小油膜厚度随进油压力的增加基本不变。该研究结果对机组轴承的设计及机组维护具有一定的指导意义。利用上述研究成果并立足国内工艺技术,实现了某进口压缩机轴瓦的国产化替代。Aiming at the tilting-pad bearing of the introduced compressor,the influence rules of rotating speed,tile clearance,oil inlet pressure and oil inlet temperature on the dynamic and static characteristics of tilting-pad bearings were calculated and analyzed by using sliding bearing performance database technology.The results show that with the increase of the tile clearance,the oil film force,friction power consumption and tile temperature decrease,while the oil film thickness,oil intake and oil discharge of tile increase;with the increase of the oil inlet temperature,the oil film force,the friction power consumption and the minimum oil film thickness decrease,and the watt temperature increases accordingly;within the range of 0.10 to 0.20 MPa of the inlet pressure,the oil inlet,oil drain and friction power consumption increase slightly with the increase of the oil inlet pressure,while the eccentricity,oil film force,watt temperature and the minimum film thickness are basically unchanged with the increase of the oil inlet pressure.The research results are of certain guiding significance for the design and maintenance of the unit bearing.Based on the above research results and domestic technologies,the substitution of an imported compressor bearing has been achieved.

关 键 词：压缩机 可倾瓦轴承 静态特性 动态特性 

分 类 号：TQ051.21[化学工程]