中国电机工程学报2011，Vol.31Issue(z1)：175-180,6.
水平管降膜蒸发器综合传热系数研究
Research on the Comprehensive Heat Transfer Coefficient of Horizontal Tube Falling Film Evaporator
摘要
Abstract
The characteristics of oil-field wastewater and parameter values of primary component were introduced. Based on the research status on heat transfer performances of the horizontal tube falling film evaporator, and the specific tasks and requirements of high multiples of evaporated and concentrated oil-field wastewater by the thermal method, the heat transfer coefficient of horizontal tube falling film evaporator and the modeling of fouling resistance were established; the correlation equations of fouling resistance and concentration variations during the process of evaporation and concentration were also established through the relevant equations. According to each part of the correlation equations, the correlation of the comprehensive heat transfer coefficient of the horizontal tube falling film evaporators was derived by detail derivation. Based on the physical model and correlation, the influence of concentration factors and flow changes on the comprehensive heat transfer coefficients of the horizontal tube falling film evaporators were discussed. The results show that the comprehensive heat transfer coefficient of the horizontal tube falling film evaporator decreases with concentration factors increasing during evaporation and concentration of the oil-field wastewater. When the treatment capacity of oil-field wastewater increases, the comprehensive heat transfer coefficient of the horizontal tube falling film evaporator is strengthened to some extent. The comprehensive heat transfer coefficient of the horizontal tube falling film evaporator reaches 936~940 W/(m2·K) obtained from the simulation calculation.关键词
水平管降膜蒸发器/传热系数/污垢/浓缩倍数/油田废水Key words
horizontal tube falling film evaporator/ heat transfer coefficient/ fouling/ concentration multiples/ oil-field wastewater分类
能源科技引用本文复制引用
邹龙生,谢加才,周伟国,陈德珍..水平管降膜蒸发器综合传热系数研究[J].中国电机工程学报,2011,31(z1):175-180,6.基金项目
中国石油天然气股份有限公司科学研究与技术开发项目(2008D-4801-1). （2008D-4801-1）
