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锅炉过热器爆管是锅炉运行中常见的事故。过热器管子内的工质是温度和压力都很高的蒸汽,受热面又常放置于烟气温度比较高的地方,以获得较高的温压,有时甚至放在炉膛内,直接受火焰的辐射。因此,它的工作条件比较恶劣。分析爆管事故的产生原因,从根本上消除隐患,才能避免爆管事故的再次发生,保证锅炉的正常运行。造成过热器爆管事故的主要原因如下:1 蒸汽品质对过热器的影响蒸汽品质的优劣是影响过热器安全运行的一个重要因素,而蒸汽品质取决于给水品质、炉水品质和锅内汽水分离效果。当锅炉给水悬浮物过多,含油量过高,
Boiler superheater burst tube is a common accident in boiler operation. Superheater tube working fluid is the temperature and pressure are high steam, heating surface and often placed in the flue gas temperature is relatively high, in order to obtain a higher temperature and pressure, and sometimes even placed in the furnace, the flame directly radiation. Therefore, its working conditions are harsh. Analysis of the causes of squib accidents, to eliminate hidden dangers in order to avoid the recurrence of squib accidents to ensure the normal operation of the boiler. The main causes of superheater tube squib accidents are as follows: 1 The impact of steam quality on the superheater Steam quality is an important factor affecting the safe operation of the superheater, and steam quality depends on the quality of water, water quality and pot soda seperate effect. When the boiler feed water suspension too much oil content is too high,