提高尾油质量技术在高压加氢裂化装置上的应用

介绍了提高尾油质量的加氢裂化技术及配套的RN-32/RHC-1催化剂在燕山分公司2.0 Mt/a高压加氢裂化装置的工业应用情况，并对应用过程进行了分析。装置运行近1年后，进行了工业标定。结果表明，燕山加氢裂化装置在105%负荷下，加工减压蜡油和焦化蜡油，可获得40%左右的优质尾油用于蒸汽裂解制乙烯原料及其它轻质产品，产品分布理想，性质优良。该技术的成功应用，为燕山分公司下游制乙烯装置提供了充足的优质原料，使高压加氢裂化成为油化一体化的核心装置。

APPLICATION OF TECHNOLOGY FOR IMPROVING HYDROCRACKED TAIL OIL QUALITY ON A HIGH PRESSURE HYDROCRACKING UNIT

The application of technology for producing high quality hydrocracked tail oil using RN-32/RHC-1 combined catalyst at the high pressure hydrocracking unit of SINOPEC Beijing Yanshan Company was introduced. The performance test was conducted when the unit was operated for about 1 year and the results were positive. When VGO and CGO were processed with a throughput of 105%, the product distributions well met the design objectives: the yield of high quality tail oil (BMCI value in the range of 11.9~12.6) was about 40%, which could be used as feed of downstream ethylene unit; other light products, such as heavy naphtha, jet fuel and diesel fraction, were all in good qualities. This high pressure hydrocracking unit seemed to be the key unit of the refining and petrochemical integration.