In this paper the factors causing the failure of the imported ethylbenzene/steam superheater in styrene plant of Qilu Petrochemical Corp. are analysed and the quick fix is proposed.

• 摘要剖析了苯乙烯装置原进口乙苯／蒸汽过热器的失效原因，并提出了解决问题的技术措施，即通过合理选材避免了材质的高温回火脆化；