硫酸注入泵出口单向阀失效分析

REASONS ANALYSIS OF THE INEFFECTIVENESS OF EXIT ONEWAY VALVE FOR SULPHURIC ACID INJECTION PUMP

针对硫酸注入泵出口单向阀的失效情况进行化学成分、材料缺陷、疲劳磨损与腐蚀效应等方面的的分析，找出失效原因并提出改进建议。

In accordance with the ineffectiveness of exit oneway valve for sulphuric acid injection pump,the chemical compositions,defect of materials,fatigue abrasion and corrosion effect are analyzed.The reasons of ineffectiveness are found,and the corresponding improvements are proposed.