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Producing and control of steam drum thermal stress of power boiler
Author(s): CHEN Qizhong
Pages: 5-
8
Year: 2001
Issue:
6
Journal: GUANGDONG ELECTRIC POWER
Keyword: 锅炉; 汽包; 热应力; 温差;
Abstract: 就电站锅炉汽包壁温度变化引起的热应力进行讨论,详细分析了汽包上下壁、内外壁温差的产生原因、温差引起的热应力的产生过程和热应力对汽包寿命的各种影响因素,介绍了热应力的计算公式,提出了控制汽包壁温差的措施,以保证汽包安全运行.
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