作　　者： ; (章琦）; (王北星）;

机构地区： 中国石油化工股份有限公司

出　　处： 《节能》 2013年第7期53-57,3,共5页

摘　　要： 石化工业属于高耗能行业,节能减排工作正由单一的工艺过程和装置走向系统和全局节能。采用夹点技术对装置的热量需求或过剩情况进行定量分析,根据装置间物料连接关系和平面布局,合理安排热量转移,装置过剩的热量输送至另外一个热量不足的装置,达到降低燃料消耗的目的。通过对常减压、渣油加氢、催化裂化、加氢精制装置用能进行分析,改进热联合流程和物料进出温度,提出了装置间热联合优化方案。 Energy-saving and emission-reduction in high energy-consuming industries does not only focus on a chemical process or unit,but also steps into systematical and global optimization,because of the requirement of the sustainable development.In this paper,pinch technology is employed to analyze the requirement of hot and cold utility of process plants,and then heat integration between plants is optimized to cut the fuel consumption and operation costs for process plants,in which surplus heat in a plant is transferred into a heat-sink plant according to the interrelationship of material stream and plant layout.A crude distillation unit,a vacuum a residual hydrotreating unit,a fluid catalytic cracking and two hydrotreating units are investigated and the schemes of heat integration between plants are presented.

关 键 词： 热联合 夹点分析 节能

领　　域： [动力工程及工程热物理] [动力工程及工程热物理]