加氢改质装置是在高温高压状态下进行生产的,生产过程中存在很多的危险因素,为确保其安全运行,必须采取必要的措施加以预防。本文对加氢改质装置开工、停工、正常生产时存在的危险因素及预防措施,加氢改质装置的不安全状况进行了分析,为加氢改质操作人员提供参考。 Hydrogenation and upgrading unit is produced under high temperature and high pressure. There are many risk factors in the production process. To ensure its safe operation, necessary measures must be taken to prevent it. This article analyzes the dangerous factors and preventive measures in the start-up and shut-down of hydrogenation modification unit, normal production, the unsafe condition of hydrogenation and upgrading unit, and provides a reference for hydrogenation modification operators.