通过采取有效工艺措施,保证管接头焊接和胀接质量,减少管板变形产生的应力,可以减少热交换器在使用过程中由于管接头焊缝开裂和渗漏发生的设备故障。 By taking effective technological measures to ensure the quality of pipe joint welding and expansion and reduce the stress caused by the deformation of the tube plate, the equipment failure caused by the cracking and leakage of the weld of the pipe joint during use of the heat exchanger can be reduced.