某热电厂有一台DZL10 - 2 .5 -AⅡ锅炉 ,维修后运行不到半年时间 ,锅筒的进水管管孔周围产生了辐射状的裂纹 ,影响了正常的生产。此单位计划增加发电量 ,想再购置锅炉 ,但又不能影响正常的生产发电 ,电厂经地方锅炉压力容器检验所对其主要受压元部件检验后 ,委托我厂对此锅炉进 A thermal power plant has a DZL10 - 2. .5-A Ⅱ boiler, maintenance less than six months after the operation, the drum inlet hole around the pipe had a radial crack, affecting the normal production. This unit plans to increase the amount of power generation, would like to purchase the boiler, but can not affect the normal production of power generation, power plants by the local boiler pressure vessel inspection of its main components under pressure after the test, I commissioned the plant into the boiler