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    Procédé de réparation ou de protection d'une extrémité de tube métallique d'échangeur de chaleur, et manchon pour sa mise en oeuvre
    2.
    发明授权
    Procédé de réparation ou de protection d'une extrémité de tube métallique d'échangeur de chaleur, et manchon pour sa mise en oeuvre 无效
    维修或保护金属热交换器管的一个极限的过程，以及执行它的套管

    公开(公告)号：EP0271739B1

    公开(公告)日：1990-10-03

    申请号：EP87117143.5

    申请日：1987-11-20

    申请人： STEIN INDUSTRIE Société Anonyme dite: ,  ELECTRICITE DE FRANCE Service National

    发明人： Vigneron, Gilbert ,  Bezier, Jean ,  Nguyen Thanh, Thong ,  Vidal, Pierre ,  Zacharie, Guy ,  Guillemin, Lucien

    IPC分类号： F28F11/02 ,  F16L55/16 ,  B21D39/04

    CPC分类号： F28F11/02 ,  Y10T29/49352 ,  Y10T29/49742 ,  Y10T29/49748 ,  Y10T29/49911 ,  Y10T29/4994 ,  Y10T428/12347

    摘要： 1. A method of repairing a damaged area or an area (4) submitted to corrosion (4) of a metal tube end of a heat exchanger (1) near the inner surface of its tube sheet (2), whereby a metal sleeve (5) having an outer diameter slightly smaller than the tube's inside diameter is inserted from the outer surface of the tube sheet into the tube to a sufficient length in order to penetrate into the tube beyond the damaged area or the area submitted to corrosion, a localized bulging (6) of the sleeve end situated on the side of the outer surface of the tube sheet on the tube is performed, this end of the sleeve is locally (8) welded to the corresponding end of the tube, the end of the sleeve (7) is applied to the tube beyond the damaged area or an area submitted to corrosion and this end of the sleeve is locally (9) welded on the inside of the tube with partial penetration into the latter, characterized in that the localized welding (8) inside the bulged area (6) inwards from the edge of the sleeve is carried out, with partial penetration of the weld into the tube, and in that then a bulging of the end area of the sleeve against the tube in an area situated inside the tube sheet above the localized weld (8) is carried out.

    摘要翻译： 1.一种在其管板（2）的内表面附近修复损坏区域或接近热交换器（1）的金属管端部的腐蚀（4）的区域（4）的方法，由此金属套筒 5）具有比管的内径略小的外径从管板的外表面插入到管中足够的长度以便穿过超过损坏区域或腐蚀区域的管，局部 执行位于管板外表面一侧的套筒末端的凸起（6），套管的这一端局部（8）焊接到管的相应的端部，套管的端部 （7）被施加到超过损坏区域的管或被腐蚀的区域，并且套筒的该端部局部（9）焊接在管的内部，部分地穿透到管中，其特征在于，局部焊接 8）在凸出区域（6）内从sl的边缘向内 进行eeve，其中焊缝部分地穿透到管中，并且随后在位于局部焊缝（8）上方的管板内部的区域中，将套筒的端部区域膨胀到管子上。