论文部分内容阅读
超(超)临界机组汽轮机通流部分有3种典型的结垢、沉积和腐蚀类型:中、高压缸的铁垢沉积和钠盐沉积以及低压缸的氯离子沉积和腐蚀。通过对3种结垢、沉积和腐蚀类型的典型特征、原因机理、危害程度的深入分析,提出了循环化学控制的关键点、优化途径和预防措施。
There are three typical types of fouling, sedimentation and corrosion in the turbine (turbine) flow section of a supercritical unit: iron scale deposits and sodium salts in medium- and high-pressure tanks, and chloride deposits and corrosion in low-pressure tanks. The key points, optimization approaches and preventive measures of cyclic chemical control are put forward by analyzing the typical characteristics, causes and mechanisms of the three types of scaling, sedimentation and corrosion.