大型燃煤电厂酸性气体冷凝研究

2018 4th International Conference on Green Technology and Sustainable Development (GTSD) Pub Date : 2018-11-01 DOI:10.1109/GTSD.2018.8595517

A. Hoang, T. Nguyen, M. Nguyen

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引用次数: 1

摘要

蒸汽盘管空气加热器(SCAH)通常设计和使用在燃油和/或共燃料燃烧条件下，以防止酸性气体冷凝，导致腐蚀的燃煤电厂。然而，对越南大型发电厂机组的一项研究表明，即使在稳定的高负荷下，烟气温度也低于酸露点温度。为了防止越南新建机组30年生命周期内的气体酸露点腐蚀，建议SCAH在稳定的高负荷下运行，并保留其设计配置以达到要求。

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A Research of Acid Gas Condensation in Large-scale Coal-fired Power Plants

Steam coil air heater (SCAH) are usually designed and used during oil and/or co-fuel firing conditions in order to prevent acid gas condensation which causes corrosion in a coal-fired power plant. However, a study of large-scale power plant units in Viet Nam has shown that the flue gas temperature is lower than acid dew point temperature even at stable high loads. To prevent gas acid dew point corrosion for 30 years life-cycle of new units in Viet Nam, SCAH is proposed to be operated at stable high loads and its design configured has been spared to achieve the requirement.

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2018 4th International Conference on Green Technology and Sustainable Development (GTSD)

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