Heat Recovery Performance of New Ceramic Membrane Integrated Components
Oilfield wastewater has abundant waste heat resources,but due to the lack of economical waste heat recovery and utilization technologies,thermal energy loss occurs.In order to improve the utilization level of waste heat resources in oilfield wastewater,based on the basic idea of integrating wastewater treatment and waste heat recovery and utilization,four types ceramic membrane filtration and heat exchange integrated components with heat exchange tube being spiral tube,spiral finned tube,smooth tube and straight finned tube respectively were designed.A thermal-fluid-solid coupling numerical model for the components was built.The finite element method was used to conduct comparison,analysis and optimization on the flow field and heat recovery performance of the four types of heat exchange tubes.The analysis results show that the spiral heat exchange tube can enhance the dis-turbance characteristics of both internal and external fluids,and has good waste heat recovery performance.Its heat absorption power per unit area is increased by 22.5%,48.0%and 2.5%compared with spiral finned heat exchange tube,straight finned heat exchange tube and smooth heat exchange tube respectively,and it is suitable for waste heat recovery of high-temperature wastewater.The conclusions provide reference for the design of ceramic membrane filtration and waste heat recovery and utilization integrated components,and also provide new ideas for the resource utilization of hot oilfield wastewater.
hot wastewaterwaste heat recoveryceramic membraneheat exchange tubeheat recovery performance
万方数据
维普
