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本文论述了在催化装置反应系统改造中采用的几个新技术 ;在工艺方面采用分层进料技术、反应终止技术、汽油回注改质技术 ;在设备方面喷嘴采用新型高效UPC雾化喷嘴、提升管出口采用CSC粗旋快分系统、汽提段采用环形挡板与密相环流汽提相结合的高效组合式结构、预提升段采用主预提升管和蒸汽环组合的新型预提升结构 ,以达到提高液体收率、降低蒸汽耗量的目的
This paper discusses several new technologies used in the reform of the catalytic reaction system of the catalytic converter. In the process of using stratified feeding technology, reaction termination technology, gasoline injection modification technology; nozzle in the device using a new high efficiency UPC atomization nozzle, The export of the riser adopts the CSC coarse-spinning quick-split system, the stripping section adopts the highly efficient combined structure of the annular baffle and the dense-phase circulating stripping, and the pre-lifting section adopts the new pre-lifting structure combining the main pre-riser and the steam ring, In order to achieve the purpose of increasing liquid yield and reducing steam consumption