减压深拔技术集成与调控Ⅰ.减压深拔设备技术集成  

INTEGRATION AND REGULATION OF VACUUM DEEP-CUT TECHNOLOGYⅠ.INTEGRATION OF EQUIPMENT TECHNOLOGY FOR VACUUM DEEP-CUT

作　　者：田原宇[1,2] 乔英云[2] 

机构地区：[1]中国石油大学(华东)重质油国家重点实验室,山东青岛266580 [2]山东省高校低碳能源化工重点实验室(山东科技大学)

出　　处：《石油炼制与化工》2013年第10期32-37,共6页Petroleum Processing and Petrochemicals

摘　　要：重劣质油大量生产、常压渣油难以直接作为重油催化裂化原料,减压深拔技术重要性凸显。从常减压蒸馏装置整体考虑,统筹优化,将NS导向提馏塔板、NS减压进料分布器、NS洗涤段专用格栅填料、NS复合穿流塔板、NS抗堵喷射型液体分布器、NS层塔式液体收集器以及直接接触传热技术的配套设备等硬件技术集成,通过提高常压塔拔出率、改善减压塔闪蒸段分离效果、减少雾沫夹带,提高减压塔闪蒸真空度和闪蒸段温度、减少闪蒸段内回流、减压塔底微湿式汽提、提高切割清晰度等措施,从常减压装置设备方面提供了达到低成本、低能耗减压深拔效果的技术支撑。The importance of deep vacuum distillation technology is prominent because of inferior heavy oil is rolled out and atmospheric residual oil is difficult to be directly used as a raw material of RFCC.The atmospheric and vacuum distillation units are optimized as a whole in this paper.The tower internals technologies of the NS stripping plate,NS vacuum tower feed distributor,NS dedicated grille packing of washing section,NS dual flow compound tray,NS resistance wall jet type liquid distributor,NS layer tower liquid collector and a complete set of equipment of direct contact heat transfer technology are integrated.Based on the integrated technologies,the operation conditions can he optimized such as increasing atmospheric column distillation rate,improving separation effect of flash distillation section,and vacuum degree and temperature of flash distillation section in vacuum tower,reducing entrainment,reducing backflow in flash distillation section,creating micro wet distillation in vacuum tower bottom and improving cutting clarity.The deep-cut vacuum distillation with low cost and low energy consumption is achieved.

关 键 词：减压深拔 塔内件 集成 真空度 拔出率 

分 类 号：TE96[石油与天然气工程—石油机械设备]