喷射循环热风加热的变压器真空干燥技术  

Vacuum Drying Technology of Transformer Heated by Jet Cycle Hot Air

作　　者：乔保振[1] 于胜斌 于清明 张保国 隋兴华[1] 乔木 张世伟[3] QIAO Bao-zhen;YU Sheng-bin;YU Qing-ming;ZHANG Bao-guo;SUI Xing-hua;QIAO Mu;ZHANG Shi-wei(Shenyang Chengqiao Vacuum Equipment Co.,Ltd.,Shenyang 110025,China;China Qiyuan Engineering Corpoertion,Xi'an 710018,China;School of Mechanical Engineering and Automation,Northeast University,Shenyang 110819,China)

机构地区：[1]沈阳诚桥真空设备有限公司,辽宁沈阳110025 [2]中国启源工程设计研究院有限公司,陕西西安710018 [3]东北大学机械工程与自动化学院,辽宁沈阳110819

出　　处：《真空》2022年第2期38-41,共4页Vacuum

摘　　要：喷射循环热风加热干燥技术是用压缩空气喷射驱动替代传统风机的扰动,实现热风循环对流换热、加热变压器的真空干燥技术。该技术克服了传统热风循环和变压法干燥技术的缺陷,从物理原理上提高了变压器热风循环干燥的技术性能。对于提高干燥设备的加热效率、防止铁心生锈、改善温度分布、保证干燥系统真空度有显著效果。Jet circulation hot air heating and drying technology is a vacuum drying technology,which uses compressed air jet drive to replace the disturbance of traditional fan to realize convective heat transfer of hot air circulation and heating transformer.This technology overcomes the shortcomings of traditional hot air circulation and pressure drying technology,and improves the technical performance of transformer hot air circulation drying from the physical principle.It has remarkable effect on improving heating efficiency of drying equipment,preventing rust of iron core,improving temperature distribution and ensuring vacuum degree of drying system.

关 键 词：变压器干燥 变压法 空气动力学 喷射循环 热风加热 

分 类 号：TM411[电气工程—电器]