固定床渣油加氢反应器结垢原因分析及对策

Cause analysis and Countermeasures for Fouling in Fixed-bed Residue Hydrotreating Reactor

固定床渣油加氢技术是重油改质的重要手段,是优化重油催化裂化装置原料的主要措施。工业运转表明,反应器结垢是制约固定床渣油加氢装置满负荷生产和长周期运转的最重要因素之一。通过对固定床渣油加氢反应器结垢原因的分析,提出了抑制反应器结垢的措施。认为通过采取强化原料管理和严格日常操作管理等措施,能够抑制反应器结垢,延长装置的运转周期。

Fixed-bed residue hydrotreating is an important process to upgrade heavy oil and a major measure to optimize feedstock of RFCC units.Industrial run results show that fouling in fixed-bed residue hydrotreating reactor is one of the major factors that constraint the unit capacity and long term stable operation.In this paper,causes of fouling in fixed-bed residue hydrotreating reactor were analyzed,and countermeasures to inhibit the reactor from fouling were put forward.By taking effective measures,such as enhancing feedstock management and taking strictly daily operation management,reactor fouling can be alleviated,running period of the unit can be prolonged.