基于热喷涂工艺的叶轮防腐耐磨处理  

Anti-Corrosion and Wear-Resistant Treatment of Impeller based on Thermal Spraying Process

作　　者：施捷 胡晓亮 俞燕 冯园中 SHI Jie;HU Xiaoliang;YU Yan;FENG Yuanzhong

机构地区：[1]新嘉爱斯热电有限公司,嘉兴市314016

出　　处：《化工装备技术》2020年第6期66-68,共3页Chemical Equipment Technology

摘　　要：污泥干化车间离心风机叶轮腐蚀和磨损严重,影响了风机的动平衡及额定工况。由于等离子和火焰喷涂具有致密性和结合强度较好等优点,采用新型喷涂工艺超音速电弧喷涂对叶轮表面进行喷涂处理。喷涂后涂层厚度、结合强度及孔隙率均达到了预期目标。后期风机运行运行平稳,轴震动小于2.8 mm/s,个别点震动≤1.5 mm/s,稳定性好。The centrifugal fan impeller in the sludge drying workshop was severely corroded and worn,which affected the dynamic balance and rated working conditions of the fan.Because plasma and flame spraying had the advantages of strong compactness and higher bonding strength,a new spraying process supersonic arc spraying was used to spray the surface of the impeller.After spraying,the thickness,bonding strength and porosity of the coating had reached the expected goals.In the later stage,the fan run smoothly,the shaft vibration was less than 2.8 mm/s,and the individual point vibration was less than or equal to 1.5 mm/s,and the stability was good.

关 键 词：超音速电弧喷涂 腐蚀 磨损 动平衡 

分 类 号：TG174[金属学及工艺—金属表面处理]