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    • 51. 发明授权
    • Boiler tube wearbar, stud and arc shield
    • 锅炉管耐磨条,螺柱和电弧防护罩
    • US4424434A
    • 1984-01-03
    • US207665
    • 1980-11-17
    • Charles C. PeaseEugene P. Schaeffer
    • Charles C. PeaseEugene P. Schaeffer
    • B23K9/20F22B37/10
    • B23K9/208F22B37/107Y10T29/49737
    • Apparatus and methods for replacing or repairing missing or damaged abrasion resistant wearbars utilized in high velocity cyclone boilers. A retrofit wearbar having an aperture therein is utilized in conjunction with an end weldable stud wherein the wearbar and stud are placed in position over a damaged wearbar or against the boiler tube in the case of a missing wearbar and the stud end welding technique utilized to fuse the wearbar and stud in place with the damaged wearbar or boiler tube in the case of a missing wearbar in situ. An arc shield is utilized which has a projection from the weld fillet cavity thereof which cooperates in conjunction with the aperture of the retrofit wearbar to provide alignment of the stud in the wearbar and prevent shorting of the stud to the wearbar during the welding cycle.
    • 用于更换或修复在高速旋风锅炉中使用的缺损或损坏的耐磨磨损的装置和方法。 在其中具有孔径的改装磨损杆与可焊接的末端柱结合使用,其中在缺少耐磨条的情况下,磨损杆和螺柱被放置在损坏的磨损杆上或与锅炉管相对的位置,并且用于熔断的螺柱端焊接技术 如果在现场缺少磨损杆的情况下,磨损杆和螺柱就位于损坏的磨损杆或锅炉管上。 使用弧形屏蔽件,其具有来自其焊接圆角腔的突起,其与改进的耐磨条的孔配合,以提供螺柱在耐磨条中的对准,并且防止螺柱在焊接循环期间短路到耐磨杆。