氧化铝厂生产设备焊接缺陷及矫正措施  

Welding defects and corrective measures of production equipment in alumina plant

作　　者：栾绪亮 隋新 LUAN Xu-liang;SUI Xin(Shandong Nanshan Aluminum Co.,Ltd,Longkou 265700,China)

机构地区：[1]山东南山铝业股份有限公司,山东龙口265700

出　　处：《世界有色金属》2020年第19期41-42,共2页World Nonferrous Metals

摘　　要：综合氧化铝生产设备的现状,对氧化铝厂生产设备焊接缺陷及矫正措施进行深入研究。氧化铝厂生产设备焊接缺陷包括:冷裂纹、热裂纹等裂纹缺陷、存在未熔合与未焊透情况、存在焊缝夹渣以及存在焊接气孔。针对这些氧化铝厂生产设备焊接缺陷,制订氧化铝厂生产设备焊接缺陷的矫正措施,包括及时做好控制措施,科学选择氧化铝厂生产设备的焊接工艺,加强焊接中的管理;加强控制焊接坡口角度、尺寸,保持焊件坡口的清洁程度;清理焊接工件,控制焊接坡口尺寸、大小;做好氧化铝厂生产设备的焊接工作,准确确定熔渣黏稠度、焊接速度、焊接电流以及其余焊接参数等。Based on the current situation of alumina production equipment,the welding defects and corrective measures of production equipment in alumina plant are deeply studied.The welding defects of production equipment in alumina plant include:cold crack,hot crack and other crack defects,incomplete fusion and incomplete penetration,slag inclusion in weld,and welding porosity.Aiming at the welding defects of production equipment in alumina plant,the corrective measures for welding defects of production equipment in alumina plant are formulated,including timely control measures,scientific selection of welding process of production equipment in alumina plant,strengthening management in welding,strengthening control of angle and size of welding groove,maintaining cleanliness of welding groove,cleaning welding workpiece and controlling welding groove size To do a good job in the welding of production equipment in alumina plant,and accurately determine the slag consistency,welding speed,welding current and other welding parameters.

关 键 词：氧化铝厂 生产设备 焊接缺陷 矫正措施 奥氏体晶粒 焊条药皮 

分 类 号：TG404[金属学及工艺—焊接]