Volume 11, Issue 41 (11-2021)
مهندسی خوردگی 2021, 11(41): 69-78 |
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Effect of Increasing the pH of the Cycle
on Reducing the Corrosion Rate of FAC
Phenomenon in Deaerator Evaporators
and Control of This Phenomenon in
HRSG Boilers: A Case Study of Shobad
Power Plant. مهندسی خوردگی 2021; 11 (41) :69-78
URL: http://journal.ica.ir/article-1-165-en.html
URL: http://journal.ica.ir/article-1-165-en.html
Abstract: (431 Views)
One of the biggest and most dangerous problems in combined cycle power plants, which has reduced
efficiency, degraded reliability and also created a lot of human and financial risks, is the problem of
boiler corrosion. Most events in boilers occur suddenly. In this study, the flow accelerated corrosion
(FAC) phenomenon in HRSG boilers of Kahnouj combined cycle power plant is investigated. Also, by
examining the effect of pH increasing on reducing the FAC corrosion rate in deaerator’ evaporators
and the conditions for this phenomenon, it can be said that changes in pH indicate that with increasing
the FAC corrosion rate should be drastically reduced, which leads to a change in chemical control
operation and condition improvement. Finally, the ideas are expressed to reduce these problems
efficiency, degraded reliability and also created a lot of human and financial risks, is the problem of
boiler corrosion. Most events in boilers occur suddenly. In this study, the flow accelerated corrosion
(FAC) phenomenon in HRSG boilers of Kahnouj combined cycle power plant is investigated. Also, by
examining the effect of pH increasing on reducing the FAC corrosion rate in deaerator’ evaporators
and the conditions for this phenomenon, it can be said that changes in pH indicate that with increasing
the FAC corrosion rate should be drastically reduced, which leads to a change in chemical control
operation and condition improvement. Finally, the ideas are expressed to reduce these problems
Type of Study: Research |
Subject:
General
Received: 2023/01/28 | Accepted: 2023/01/30 | Published: 2023/01/30
Received: 2023/01/28 | Accepted: 2023/01/30 | Published: 2023/01/30
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