Scaling and Corrosion Reason Analysis of a Heating Furnace Air Pre-heater
摘 要
空气预热器是加热炉出口烟气的换热设备,用于回收烟气热量,提高炉效率.由于烟气中含有水蒸气、硫、氮等腐蚀性物质,造成换热器腐蚀及结垢.分析了本单位预热器腐蚀及结垢的原因及解决方法,提出了预防措施.
Abstract
The air pre-heater is the heat exchange equipment of heating furnace,used to recycle the flue gas heat and enhance the furnace efficiency.The flue gas containing water vapor,sulfur and nitrogen could cause the corrosion and scaling of the heat exchanger.The corrosion and scaling reasons of the pre-heater are analyzed,and several preventive measures are proposed.
中图分类号 TG172
所属栏目 应用技术
基金项目
收稿日期 2008/12/10
修改稿日期 2009/2/28
网络出版日期
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联系人作者王树术(wssdqsh@163.com)
备注王树术,工程师.
引用该论文: WANG Shu-shu,LIU Chun-yan,WANG Li-na. Scaling and Corrosion Reason Analysis of a Heating Furnace Air Pre-heater[J]. Corrosion & Protection, 2010, 31(1): 59~62
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参考文献
【1】徐彬.常压炉空气预热器热管失效原因及对策[J].石油化工腐蚀与防护,2003,20(4):35-37.
【2】陈文有.空气预热器防腐蚀措施探讨[J].石油化工腐蚀与防护,2004,21(2):59-60.
【2】陈文有.空气预热器防腐蚀措施探讨[J].石油化工腐蚀与防护,2004,21(2):59-60.
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