UHVDC阀冷管路焊接缺欠对内冷介质质量的影响  

Influence of welding defects on inside coolant quality of UHVDC converter valve water cooling equipment

作　　者：黑增杰 罗小勇 马亚恒 赵直爽 高宏河 林昌龙[2] Hei Zengjie;Luo Xiaoyong;Ma Yaheng;Zhao Zhishuang;Gao Honghe;Lin Changlong(Henan Lv Ctrl Technology Co.,Ltd.,Xuchang 461000,Henan,China;Huaqiao University,Xiamen Key Laboratory of Computer Vision and Pattern Recognition,Xiamen 361021,Fujian,China)

机构地区：[1]河南绿控科技有限公司,河南许昌461000 [2]华侨大学,厦门市计算机视觉与模式识别重点实验室,福建厦门361021

出　　处：《焊接》2021年第10期52-56,64,共6页Welding & Joining

基　　金：华侨大学教师教学发展改革项目(20JF-JXGZ10)。

摘　　要：为保证内冷系统冷却介质质量,设备接液部分的流体管路、罐体均采用304或316等奥氏体不锈钢预制焊接成形。针对阀冷设备独特工况和母材特点,通过理论分析和等效模拟试验,总结分析焊接缺欠对内冷介质质量影响。给出阀冷设备不锈钢管路焊接缺欠对应策略,在满足高效生产的前提条件下,为提高阀冷系统的运行可靠性提供了参考。In order to ensure the quality of inside coolant in the internal cooling system,the fluid pipeline and tank of the liquid receiving part of the equipment were prefabricated and welded with 304 or 316 austenitic stainless steel.Based on the unique working conditions of valve cooling equipment and the characteristics of base material,influence of welding defects on the quality of inside coolant was summarized through theoretical analysis and equivalent simulation test.The corresponding strategies for welding defects of stainless steel pipeline in valve cooling equipment was put forward,which provided a reference for improving the operation reliability of valve cooling system.

关 键 词：焊接缺欠 内冷介质 不锈钢流体管路 特高压直流输电 

分 类 号：TG444[金属学及工艺—焊接]