WANG Yuanyuan, HU Zhenhua, LI Junwan, et al. Experimental study on dosing and anticorrosion of direct air cooled condenser[J]. Thermal Power Generation, 2025, 54(4): 179-185.
WANG Yuanyuan, HU Zhenhua, LI Junwan, et al. Experimental study on dosing and anticorrosion of direct air cooled condenser[J]. Thermal Power Generation, 2025, 54(4): 179-185. DOI: 10.19666/j.rlfd.202408197.
In order to solve the corrosion problem of direct air cooling condensers
the independently developed dynamic corrosion simulation test device is used to simulate the actual operating conditions of the initial condensate
and the alkalizing agent and oxidant with low vapor-liquid distribution coefficient are selected for the flow accelerated corrosion test of carbon steel. The results show that
both alkalizing agent and oxidant can effectively inhibit the accelerated corrosion of direct air-cooled condenser. The rapid change of water flow direction has little effect on the accelerated corrosion rate of flow. Under the same conditions
the flow accelerated corrosion rate of carbon steel in oxidant environment is much lower than that in alkalizer environment. When oxidant is added to the direct air-cooled condenser for anticorrosion
the production cost of a single unit can be saved by 523 700 yuan per year.