摘要
本文分析了油装换热器管板两侧成对法兰密封失效的原因，介绍了相应的改进措施以及取得的良好效果。
Based on the structure of the bolted flange connection , the failure analysis of the flange seal at the two sides of the tubesheet used in the oil slurry heat exchangers was carried out in this article, The improvement methods and the excellent effects of these methods were, then, introduced.
关键词
油浆换热器
密封失效
换热器
炼油厂
oil slurry heat exchanger, paired flanges at the two sides of tubesheet,failure of seal,improvement methods
