| 金属管道“导磁屏蔽罩”消磁焊接技术 |
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| 引用本文： | 王鹏雁. 金属管道“导磁屏蔽罩”消磁焊接技术[J]. 石油化工设备技术, 2011, 32(5): 47-49,52 |
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| 作者姓名： | 王鹏雁 |
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| 作者单位： | 中国石化集团第十建设公司,山东淄博,255438 |
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| 摘 要： | 在工程施工中,金属管道焊接时电流形成剩磁场以及受外界电磁场的影响等原因,常产生偏磁,造成焊接电弧偏吹现象,影响焊接质量,不能正常施焊。通过分析焊口磁偏吹产生的原因,经过反复试验和验证,研究出"导磁屏蔽罩"消磁技术,能够有效地消除金属管道焊接过程中的电弧磁偏吹影响,经实践证明,此技术简便、易行、快捷、有效。
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| 关 键 词： | 焊接 磁偏吹 磁力屏蔽罩 消磁 |
DEGAUSSING AND WELDING TECHNOLOGY OF METAL PIPING MAGNETIC SHIELDING COVER |
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| Wang Pengyan. DEGAUSSING AND WELDING TECHNOLOGY OF METAL PIPING MAGNETIC SHIELDING COVER[J]. Petro-Chemical Equipment Technology, 2011, 32(5): 47-49,52 |
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| Authors: | Wang Pengyan |
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| Affiliation: | Wang Pengyan (The Tenth Construction Company of SINOPEC,Zibo,Shandong,255438) |
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| Abstract: | During project construction,magnetic bias often occurs because of the residual magnetic field formed by the current when welding metal pipes and influence from external electromagnetic fields.This may result in welding arc magnetic blow which may influence the normal welding and welding quality.Through analysis on the causes for the arc magnetic blow and repeated testing and validation,degaussing technology of magnetic shielding cover is developed which can effectively eliminate the impact of arc magnetic b... |
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| Keywords: | Welding Magnetic blow Magnetic shielding cover Degaussing |
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