星型卸料阀轴向泄漏的故障分析及结构优化  

FAULT ANALYSIS AND STRUCTURE OPTIMIZATION ON AXIAL LEAKAGE OF STAR-SHAPED DISCHARGE VALVE

作　　者：雷霆 吴慧军 肖敏 Lei Ting;Wu Huijun;Xiao Min(SI-NOPEC Catalyst Co.,LTD.,Beijing,100029;Changling Branch of SINOPEC Catalyst Co.,Ltd.,Yueyang,Hunan,414012)

机构地区：[1]中国石化催化剂有限公司,北京100029 [2]中国石化催化剂有限公司长岭分公司,湖南岳阳414012

出　　处：《石油化工设备技术》2023年第2期48-50,I0003,共4页Petrochemical Equipment Technology

摘　　要：星型卸料阀是粉体输送过程中的常用设备。在高颗粒硬度粉体物料输送过程中,星型卸料阀转子两端容易产生轴向泄漏。通过对星型卸料阀轴向泄漏设备故障的主要原因进行分析,提出了转子结构的改进措施。改进后的应用结果表明,提高星型卸料阀两端转子轴密封面的硬度可以提高密封面的耐磨性,明显减小密封面运行过程中的磨损,延长设备使用寿命,同时将转子叶轮改为分体结构有利于转子的加工与设备检修。Star-shaped discharge valves are common equipment for powder conveying.Axial leakage tends to occur on both ends of the star-shaped discharge valve in the conveying process of high hardness powder.By analyzing the main reasons for the axial leakage fault of the star-shaped discharge valve,the improvement measures for rotor structure are proposed.The application results after the improvement show that wear resistance of the sealing surface can be improved by increasing the sealing surface hardness of the rotor shaft at both ends of the star-shaped discharge valve;wear on sealing surface can be reduced evidently and the service life of the equipment can be extended.Meanwhile,the rotor impeller is changed to a split structure,which is advantageous to rotor machining and equipment overhaul.

关 键 词：星型卸料阀 轴向泄漏 转子轴 结构优化 

分 类 号：TH134[机械工程—机械制造及自动化]