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燃气锅炉空气预热器的防腐改造
引用本文:徐文豪.燃气锅炉空气预热器的防腐改造[J].化工机械,2009,36(4):386-389.
作者姓名:徐文豪
作者单位:西安石油大学,陕西省西安市,710065
摘    要:对燃气锅炉空气预热器换热管束的腐蚀特征和腐蚀机理进行了分析,认为空气预热器发生腐蚀的主要原因是含硫燃料在低负荷运行时的低温露点酸腐蚀,并介绍了耐蚀性能优异的搪瓷材料在空预器防腐改造中的应用。

关 键 词:空气预热器  低温腐蚀  搪瓷材料  防腐改造

Corrosion Resistant Retrofits of the Air Preheaters of Gas Boilers
XU Wenhao.Corrosion Resistant Retrofits of the Air Preheaters of Gas Boilers[J].Chemical Engineering & Machinery,2009,36(4):386-389.
Authors:XU Wenhao
Affiliation:Xi'an Shiyou University;Xi'an;710065;Shaanxi;China
Abstract:An analysis was performed of the corrosion characteristics and corrosion mechanism of the heat exchange pipe bundles of the air preheaters of gas boilers,it was concluded that the major corrosion cause of the air preheaters was the low temperature dew point acid corrosion of the fuel containing sulfur in low load operation,and the application of enamel material with excellent corrosion resistance in the corrosion resistant retrofit of the air preheaters was presented.
Keywords:Air Preheater  Low Temperature Corrosion  Enamel Material  Corrosion Resistant Retrofit  
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