WNS型锅炉回燃室与检查门圈连接焊缝裂纹的原因分析

Cause Analysis of the Crack of the Connection Welds between Return Combustion Chamber and Inspection Door of WNS Boiler

通过对一台卧式内燃锅炉回燃室与检查门圈的连接焊缝产生裂纹进行原因分析,提出了几点预防措施。