電蒸汽鍋爐哪些部位最易腐蝕?

在電蒸汽鍋爐被關掉結束工作后,氧氣可能會從沒有密閉的地方鉆進電蒸汽鍋爐的汽水系統中,然后融合進鍋爐,如果壓力和溫度在下降的話,那么這些氧氣就會凝結成為水汽,然后使得鍋爐的金屬面受潮,從而導致水膜的產生。如果說,在蒸汽鍋爐停用后,有些部位仍然泡在說中的話,然后水汽經過不斷的蒸發,會使得汽水系統產生大量的濕氣,從而讓鍋爐產生腐蝕現象。那么電蒸汽鍋爐哪些部位最容易腐蝕呢?
1、再熱器和立式過熱器一樣,都是彎頭部位浸沒在水中受到腐蝕。
Reheater and superheater vertical, are immersed in water the elbow corrosion.  
2、鍋爐的省煤器部位,在運行中,其入口的地方都非常容易腐蝕,更加不要說停爐后的省煤器了。
Economizer parts of the boiler in operation, where its entrance are very susceptible to corrosion, not to say more after the shutdown of the economizer.
3、在水冷壁運行的時候,它的除氧效果不佳,所以它的汽包和下降管是十分容易腐蝕的。在運行時就易腐蝕,在停爐后水冷壁汽包的側邊尤其嚴重。
When the water wall running its poor oxygen effect, so it's drum and fall are very susceptible to corrosion of pipes. At runtime on perishable after shutdown Wall sides of the drum is particularly serious.  
4、在蒸汽鍋爐的立式過熱器的彎頭地方,因為長期放在水中,積水除不干凈,所以也導致了它腐蝕快。
In the vertical steam boiler superheater elbow place, because long-term on the water, in addition to water is not clean, it also led to its rapid corrosion.  

 

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