RADIATION PROTECTION BULLETIN ›› 2024, Vol. 44 ›› Issue (5): 30-36.

• Experiences • Previous Articles     Next Articles

Repair practice of weld defect at refueling water tank bottom in CPR1000 nuclear power unit

JIANG Lei, SUN An, WANG Zheng, WU Rui   

  1. Liaoning Hongyanhe Nuclear Power Co. Ltd., Liaoning Dalian 116000
  • Received:2024-01-29 Online:2024-10-20 Published:2024-11-25

Abstract: This paper introduces the structure of refueling water tank used in a CPR1000 nuclear power unit, the defects treatment plan for the tank bottom plate, as well as the treatment process and results. This paper also analyzes the causes of the defects and provides suggestions for improvement of such issues.

Key words: CPR1000 nuclear power unit, refueling water tank, bottom plate, weld defect

CLC Number: 

  • TM623