Corrosion control experience and water chemistry studies on fossil-fired plants

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He Huichun Xi’an Thermal Power Engineering Research Institute
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Corrosion control experience and water chemistry studies on fossil-fired plants;
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BackgroundThe power industry has long been plagued with complicationsand outages related to corrosion of plant components.Prior to the mid-sixties,corrosion of boiler water-wall tubeswas one of the prominent problems in power plants.Water-walltubes corrosion proceeding under iron oxide deposit caused causticgouging or acidic embrittlement of tube metal.Many boiler tubesfailed by sudden rupture.Field and laboratory studies showed that,carbonate alkalinity and neutral salt in boiler make up water treated
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页码:33 / 35
页数:3
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