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《Pressure Vessel Technology》 2018-08
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Analysis of Influence Factors and Failure Examples of Bursting Discs

YAN Xing-qing;YU Jian-liang;LI Yue;WEN Dian-jiang;YI Jun;HAN Bing;HU Jun;School of Chemical Machinery and Safety,Dalian University of Technology;Dalian University Safety Technology and Control Engineering Co.,Ltd.;Dalian University Safety Equipment Co.,Ltd.;Dalian Boiler and Pressure Vessel Inspection Institute;  
The frequent occurrence of bursting disc failure accidents has brought hidden dangers to the safe operation of containers and equipment with overpressure risks. Eight influence factors which may cause bursting disc failure accidents were analyzed,including the improper design of blasting pressure or operating pressure,improper design of blasting temperature or operating temperature,the internal medium corrosion,the external environment corrosion,the insufficient or uneven clamping force,the knock or damage of bursting disc,improper mating of bursting disc and the inlet and out flanges,and improper protection of the relief side of the bursting disc. The influence of factors on the blasting characteristics were discussed in detail,and cases of failure accidents were given,which can provide references for preventing occurrence of similar failure accidents with the bursting discs.
【Fund】: 国家重点研发计划资助项目(2018YFC0808902)
【CateGory Index】: TH49
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