通过对失效水冷壁管系统的分析与研究,找出水冷壁管开裂及鳍片撕裂的原因是由于长期过热引起的沿晶型蠕变开裂,提出改进措施及温度监控措施。 Through the analysis and research of the failure water-cooled wall pipe system, the cause of the cracking of the water-wall pipe and the tear of the fins is found due to the creep cracking along the crystal caused by long-term overheating, and the improvement measures and temperature monitoring measures are put forward.