催化裂化三机组能效实时计算与应用  

Real-time Calculation and Application of Energy Efficiency for a Three-component Machinery Train in Catalytic Cracking

作　　者：陈文武 Chen Wenwu(State Key Laboratory of Chemical Safety,Shandong,Qingdao,266104;SINOPEC Research Institute of Safety Engineering Co.,Ltd.,Shandong,Qingdao,266104)

机构地区：[1]化学品安全全国重点实验室,山东青岛266104 [2]中石化安全工程研究院有限公司,山东青岛266104

出　　处：《安全、健康和环境》2024年第1期50-56,共7页Safety Health & Environment

基　　金：中国石化科技开发项目(323031),干气密封故障特征研究及监测技术。

摘　　要：催化裂化装置三机组能效计算影响因素众多、耦合作用强,结合主风机、烟气轮机的动力学、热力学性质以及电机特性,构建了能效计算模型,可实现三机组能效的实时计算。以某催化裂化装置为例,进行了能效计算的验证,并对机组能效的影响因素进行了分析,结果表明:通过设计、操作与维护协同优化,提高有效烟气流量、温度和压力,降低烟机背压,采用高效叶片,减少烟机结垢,优化主风机设计选型等措施均可有效提升三机组能效。There are many factors affecting the energy efficiency calculation of a three-component machinery train in catalytic cracking unit,and the coupling effect is strong.Combining the dynamics,thermodynamic properties and motor characteristics of the main air blower and flue gas turbine,the energy efficiency calculation model was constructed,which can realize the real-time energy efficiency calculation of the three-component machinery train.Taking a catalytic cracking unit as an example,the energy efficiency calculation was verified,and the factors affecting the energy efficiency of the unit were analyzed.The results showed that measures such as the collaborative optimization of design,operation and maintenance,improving the effective flue gas flow,temperature and pressure,reducing the back pressure of the smoker,adopting efficient blades,reducing the scale of the smoker,optimizing the design and selection of the main air blower,can effectively improve the energy efficiency of the three-component machinery train.

关 键 词：催化裂化 烟气轮机 主风机 理论功率 轴功率 效率 实时计算 

分 类 号：TH453[机械工程—机械制造及自动化] TE08[石油与天然气工程]