Quality Analyses and Control of Boiler Product

The paper mainly introduced quality analyses and control of water wall economizer of boiler heating surface in course of manufacturing,and the key process quality control method of boiler product.The course of quality control is described regarding raw material(steel material,welding material),pres-sure welding,NDT for welding,heat treatment of boiler product and hydrostatic test etc.The results showed that some boiler product by controlling effectively in quality is in conformity to Supervise specification on Safety Technique for steam Boiler and other technical specifications.