大直径不锈钢焊管中频感应固溶装置研究

Research on Intermediate Frequency Induction Solution Treatment Furnace for Large-sized Welded Stainless Steel Pipe

介绍了一种利用中频感应加热技术的大直径不锈钢焊管固溶处理装置。通过该装置,消除了不锈钢焊管在成型、焊接过程中产生的应力以及焊缝两侧热影响区,提高了不锈钢焊管的耐腐蚀性能。重点介绍了针对目前生产不锈钢焊管固溶处理较为合适的中频频率和电源功率,以及固溶处理装置使用中的经验和问题,并提出了较为简单易行的解决办法。

Elaborated in the paper is a solution furnace employing the intermediate frequency induction technology for treatment of large-sized welded stainless steel pipes. This solution treatment system is capable of eliminating the stress and HAZ on both sides of the weld of the stainless steel pipe as generated during the forming and welding processes, and thus enhancing the corrosion resistance of the pipe. Focused on are issues such as the intermediate frequency rates and mains powers rather suitable for currently-used solution treatment process for welded stainless steel pipes, and experiences and problems concerning operation of the solution treatment systems, and some easy-to-do proposals for fixing the problems, and so on.