Typical Quality Problems and Supervision Measures for Nuclear Shell and Tube Heat Exchangers

Shell and tube heat exchanger is widely used in nuclear power plant.The safe operation of the nuclear power plant depends on manufacturing quality.This paper focuses on the analysis of shell and tube heat exchanger of nuclear power plant structure characteristics and key manufacturing technology,combining the mill supervision personnel experience.By describing of the treatment process of several typical quality problems in the manufacturing process,the paper discusses the quality improvement and supervision measures,in order to provide the experience feedback and reference for the follow-up of nuclear power plant of shell and tube heat exchanger the supervision work.