催化裂化烟气轮机内催化剂结垢研究进展  

Research Progress of Catalysts Fouling in Flue Gas Turbines Used in Catalytic Cracking Unit

作　　者：高晓薇 王建军[1] 夏明川[2] 金有海[1] 

机构地区：[1]中国石油大学(华东)化学工程学院,山东青岛266580 [2]中国石化青岛炼油化工有限责任公司,山东青岛266580

出　　处：《中国粉体技术》2015年第6期25-32,共8页China Powder Science and Technology

基　　金：山东省自然科学基金项目;编号:ZR2015EM026

摘　　要：为了全面了解国内外烟气轮机内催化剂结垢研究现状并有效指导实际工业装置操作,对催化烟气轮机内结垢问题进行详细综述,并对未来研究方向进行展望。结果表明:烟气轮机内催化剂结垢过程可分为烟气轮机内气、固相流动,催化剂颗粒碰壁沉积,高温下催化剂烧结相变3个部分;烟气轮机内气-固两相流场的数值模拟技术已经成熟,多种碰撞沉积经验公式为壁面上催化剂颗粒积累过程提供了广阔的研究思路,但与结垢相关的动力学研究仍需深入;发展一种既能满足烟气轮机工况又能缩短结垢周期的实验方案是解决颗粒结垢问题的必要过程,颗粒结垢与流场特性关系的研究直接关系到烟气轮机结构优化设计,是改善催化剂结垢现状的有效手段。To understand the research progress of catalysts fouling in flue gas turbines and direct the operating of industrial equipment, recent advances in research on fouling in flue gas turbines were summarized, and future research emphasises were pointed out. The results show that the fouling process of catalysts in flue gas turbines can be divided into three parts including gas and solid phases flow, collision and deposition,sintering and fouling. The numerical simulation method about flow field in flue gas turbine is fully developed. Based on classic collision theory, lots of empirical formulas on particle collision provide good ideas about the surface accumulation of catalyst, but it is urgently needed to deeply research on dynamic process. It is a necessary process to solve the problem of particle fouling that conduct an experimental research which can match the operation conditions well in short time. The relationship between fouling and flow characteristics has a direct bearing on optimized design of flue gas turbine structure, which is one of the key points of solving catalyst fouling.

关 键 词：烟气轮机 催化裂化 催化剂 结垢 

分 类 号：TQ050.9[化学工程]