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南京炼油厂和石油部第二炼油设计研究院共同开发成功混合型干式蒸馏新技术对原处理量为6000吨/日原油的φ6300毫米湿式减压塔进行了技术改造。改变了原湿式减压塔内部结构:在减压塔顶增加了φ3000毫米的阶梯环填料段,并配有4号旋芯形喷头的树枝状液体分配器,同时保留了原11层大浮舌塔板。在塔顶增加了循环洗涤油系统,并在塔顶真空系统增设了一台增压器,将原两根φ500毫米转油线改为一根φ1300毫米转油线。同时改变了传统的操作方法:在
Nanjing Refinery and the Second Oil Refinery Design and Research Institute of the Ministry of Oil jointly developed a successful hybrid dry distillation of the original capacity of 6,000 tons / day of crude oil φ6300 mm wet vacuum tower for technological transformation. Changed the original wet vacuum tower internal structure: In the vacuum tower increased φ3000 mm step ring packing section, and with a No. 4 spinodal dendritic liquid distributor, while retaining the original 11 layers of floating tongue Tray. In the top of the tower to increase the circulation of washing oil system and vacuum system in the tower to add a turbocharger, the original two φ500 mm conversion line into a φ1300 mm transfer line. At the same time change the traditional method of operation: in