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METHOD OF CONNECTION OF TUBES OF SHELL-AND-TUBE HEAT EXCHANGER WITH TUBE ARRAY OF SHELL-AND-TUBE HEAT EXCHANGER

机译:管壳式换热器管与管壳式换热器管阵列的连接方法

摘要

FIELD: heat exchange.;SUBSTANCE: present invention relates to a method for connection of tubes (125) of a shell-and-tube heat exchanger to pipe grid (130) of said heat exchanger, in which tubes (125) are cohesively connected to tube grid (130) by means of laser welding, in process of which laser beam (211) is generated and focused in a place intended for welding, on connecting section (250) between tube (125) and tube grid (130), wherein laser beam (211) is moved so that it performs first movement along connecting portion (250) and second movement combined with first movement, which differs from first movement, wherein the second movement in a predetermined manner affects the melting bath dynamics and/or in a predetermined manner converts the formed steam capillary.;EFFECT: disclosed is a method for connection of tubes of a shell-and-tube heat exchanger to a pipe grid of a shell-and-tube heat exchanger.;15 cl, 9 dwg
机译:用于将管壳式热交换器的管子125连接到所述热交换器的管栅130的方法技术领域本发明涉及一种用于将管壳式热交换器的管子(125)连接到所述热交换器的管栅(130)的方法。通过激光焊接到管栅(130),在此过程中产生激光束(211)并将其聚焦在用于焊接的位置上,在管(125)和管栅(130)之间的连接部分(250)上,其中,移动激光束(211),使其沿连接部分(250)进行第一运动,并进行与第一运动不同的第二运动,该第二运动与第一运动不同,其中第二运动以预定方式影响熔池动力学和/或效果:公开了一种用于将管壳式热交换器的管连接到管壳式热交换器的管栅的方法; 15 cl,9 dwg

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