炼化企业低温热系统优化技术及应用

OPTIMIZATION TECHNOLOGY AND APPLICATION OF LOW TEMPERATURE HEAT RECOVERY SYSTEM IN REFINING AND CHEMICAL ENTERPRISES

石油炼化企业低温热系统有着巨大的节能潜力,但并没有得到企业足够的重视。针对企业低温热系统存在建设、管理分散,运行经济性低等实际问题,为了满足企业降低成本、节能减耗的目的,深入剖析了现今炼化企业低温热系统优化的关键问题,提出了炼化企业低温热系统的优化技术,建立了低温热系统的全流程优化模型,开展了低温热系统的操作优化与改造优化。应用结果表明,该技术节能降碳效果显著,而且大大提升了企业低温热系统的数字化水平。

Reasonable utilization of low temperature heat is one of the important potentials of energy saving and consumption reduction in refining and chemical enterprises,but it is difficult to make full use of low temperature heat due to its random and scattered utilization.In view of the practical problems of low temperature heat recovery system in the enterprise,such as decentralized construction,decentralized management and low operating economy,etc.,the key problems of the optimization of low temperature heat recovery system in petrochemical enterprises were deeply analyzed,the optimization technology of low temperature heat recovery system in refining and chemical enterprises was put forward,the whole process optimization model of low temperature heat recovery system was established,and the operation optimization and transformation optimization of low temperature heat recovery system were carried out.The case analysis results showed that the technology could effectively reduce the operation cost of the low temperature heat recovery system,bring good economic benefits and energy saving effect to the enterprise.