我市纺织系统各厂有6台KZG2-13-1型卧式快装锅炉。由于制造质量及结构上的缺陷,经常发生水冷壁管被鳍片拉裂。鳍片焊缝咬边造成水冷壁管渗漏和鳍片本身断裂等现象.对上述缺陷采取了下述办法检修: 1.拆掉锅炉外部保温层,割掉被拉裂管段的鳍片,换掉拉裂的管子,然后再焊上鳍片。焊 Our city textile system factory has six KZG2-13-1 horizontal fast boiler. Due to manufacturing quality and structural defects, it is often the case that the waterwall tube is fissured by the fins. Fins weld undercut caused by the water wall tube leakage and fin itself rupture, etc. The above defects to take the following approach to maintenance: 1. Remove the boiler insulation layer, cut off the fissured pipe segment fins, change Pull the cracked pipe off, and then weld the fin. weld