蒸汽热电机组汽轮机叶片受到腐蚀该如何解决？

日期： 2024-08-21 作者：晟德亿编辑

在汽轮发电机组运行时，在蒸汽进入汽轮机后，由于各种杂质被蒸汽携带进入汽轮机，会形成积垢腐蚀。尤其末级叶片在极苛刻的条件下运行，承受高温、高压、离心力、蒸汽作用力、蒸汽激振力、腐蚀和振动以及湿蒸汽区水滴冲蚀的共同作用。受损更是显著。而且随着负荷的提高，由于过热蒸汽携带杂质，越来越严重的腐蚀、积盐发生汽轮机叶片，机组安全运行和效率受到越来越显著的影响。

当汽轮机启动时，如果通入的过热蒸汽质量未达到要求标准，此时如果投入运行，将使盐分通过蒸汽的溶解和携带进入汽轮机，逐渐沉积在各级汽轮机叶片上，使叶片重量增加，对汽轮机出力产生影响；积盐不平衡还会引起重量不均匀，很有可能引起振动，在积垢下对叶片的腐蚀，会严重破坏叶片的材质及强度，容易在汽轮机运行时引发恶性的事故。

蒸汽热电机组汽轮机叶片受到腐蚀该如何解决呢？晟德亿工程师认为可采用汽旋隆技术水汽分离专利技术改造，提高蒸汽品质，水蒸汽分离干蒸汽输送给汽轮机做功，排除不凝气体，满足生产变化需求，有效解决了蒸汽温度低、含水率高、解决汽轮机气浊和碳酸腐蚀破坏性的损伤甚至报废无法生产，效果显著。

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