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《Journal of Xuzhou Institute of Architectural Technology》 2002-02
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Causes of Vibrations of the Steam Pipe Lines in a Power Plant and the Countermeasures

YUAN Long ji, CHEN Ning( School of Mechanical and Electronic Engineering,China University of Mining and Technology,Xuzhou,Jiangsu 221008,China )  
In a power plant,the maximum amplitude of the steam pipe lines once reached 40 μm when the generating sets were working.The causes were that the loads of the springs for supporting and suspending the pipe lines were not balanced,and that the rigidity of the pipes was not high enough to resist their forced oscillations.Based on the calculations with the finite element method,the isolating valve was replaced by the sluice valve,and the much stronger pendant springs were used.As a result the maximum amplitude of the steam pipe lines reduced to 6 μm.
【CateGory Index】: TK284.1
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