[1]李 飞.锅炉集箱成排小管座自动焊焊接试验及工艺改进[J].焊管,2022,45(3):45-49,56.[doi:10.19291/j.cnki.1001-3938.2022.03.009]
 LI Fei.Automatic Welding Test and Process Improvement about Small Tube-seat in Rows of Boiler Header[J].,2022,45(3):45-49,56.[doi:10.19291/j.cnki.1001-3938.2022.03.009]
点击复制

锅炉集箱成排小管座自动焊焊接试验及工艺改进()
分享到:

《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
45
期数:
2022年第3期
页码:
45-49,56
栏目:
工艺与设备
出版日期:
2022-03-28

文章信息/Info

Title:
Automatic Welding Test and Process Improvement about Small Tube-seat in Rows of Boiler Header
文章编号:
10.19291/j.cnki.1001-3938.2022.03.009
作者:
李 飞
太原锅炉集团有限公司,太原 030008
Author(s):
LI Fei
Taiyuan Boiler Group Co., Ltd., Taiyuan 030008, China
关键词:
锅炉集箱小管座自动焊接焊接工艺
Keywords:
boiler header small tube-seat automatic weldingwelding process
分类号:
TG409
DOI:
10.19291/j.cnki.1001-3938.2022.03.009
文献标志码:
A
摘要:
针对锅炉集箱小管座焊接结构特点及生产质量要求,开展了集箱小管座典型焊接接头自动焊焊接工艺研究。采用药芯焊丝气体保护焊方法及外夹管壁定位方式,选择匹配的焊接装备及预置的焊接工艺参数,进行了集箱成排小管座自动焊焊接试验,并对焊件进行了质量检测。对检测中发现的焊缝气孔、夹渣、未熔合等缺陷的形成因素进行了分析,并对焊接工艺进行了优化。采用优化后的焊接工艺,可获得质量稳定、成型美观的焊缝,焊后基本不需要修磨,一次合格率提升至98%~99%,焊接效率较焊条电弧焊提高一倍。
Abstract:
According to the welding structure characteristics and production quality requirements of small pipe of boiler header, the automatic welding process research of typical welded joints of small pipe of boiler header is carried out. Using flux cored wire gas shielded welding and outside pipe locate mode, selecting matching welding equipment and optimizing preset welding process parameters, the automatic welding test of rows small pipe of boiler header and quality inspection of the weldment are carried out. The formation factors of weld pore, slag, incomplete fusion and other defects found in the inspection are analyzed, and the welding process is optimized. The optimized welding process are selected to obtain the weld with stable quality and good shape. There is basically no need to repair and grind after welding. The qualified rate of one-time inspection is increased to 98%~99%. The welding efficiency is twice as high as that of electrode arc welding.

参考文献/References:

[1] 杨松,李宜男. 锅炉压力容器焊接技术培训教材[M]. 第2版. 北京:机械工业出版社,2013.[2] 杨松,陈蓉,矫恒杰,等. 锅炉压力容器焊接工艺及设备的发展现状[J]. 金属加工(热加工),2019(4):17-24.[3] 秦国梁,李宜男,李世魁. 焊接机器人在集箱管接头焊接制造中的应用[J]. 机械工人(热加工),2003(3):40-41.[4] 盛仲曦,陈弈,杨霄,等. 锅炉集箱短管接头机器人焊接系统[J]. 电焊机,2017,47(7):43-46.[5] 中国机械工程学会焊接学会. 焊接手册(第1卷)[M].北京:机械工业出版社,2008.[6] 徐祥久,黄超. 焊接技术在电站锅炉集箱制造中的应用[J]. 电焊机,2016,46(9):63-67.[7] 赵志. 气体保护药芯焊丝(FCAW)的工艺分析及应用[J].同煤科技,2010(4):41-42.[8] 张子荣. 简明焊接材料选用手册[M]. 北京:机械工业出版社,2012.[9] 陈祝年. 焊接工程师手册[M]. 第2版.北京:机械工业出版社,2009.[10] 国家能源局. 承压设备焊接工艺评定:NB/T 47014—2011[S]. 北京:新华出版社,2011.[11] 李亚江. 焊接缺陷分析与对策[M]. 北京:化学工业出版社,2011.[12] 王洪光. 实用焊接工艺手册[M]. 北京:化学工业出版社,2010.[13] 田志林. 药芯焊丝[M]. 北京:冶金工业出版社,1999.[14] 付荣柏. 焊接变形的控制与矫正[M]. 北京:机械工业出版社,2006.

备注/Memo

备注/Memo:
收稿日期:2021-11-19作者简介:李 飞(1980—),男,工程师,主要从事锅炉制造焊接工艺技术开发工作。
更新日期/Last Update: 2022-04-02