摘要
Abstract
Recycle and utilization of energy is currently the focus of energy conservation and energy,waste heat boiler is one of the most important parts in the process of waste heat recovery,related parameter optimization and analysis of the waste heat boiler has become the key point of the waste heat utilization,and parameters optimization results can provide reference for engineering design of waste heat boiler.This paper,based on 2500 t/h cement kiln preheater working condition of flue gas,water and other five kinds of organic substance in waste heat boiler design optimization of parameters,by using matlab programming for data calculation,analyzed heat transfer and pressure drop performance analysis respectively of the same parameters of different working medium as well as the different parameters with the same working medium,and investigated the influence of the flow rate,tube spacing and heat transfer tube length on the heat transfer area,flue gas and lateral pressure drop of the heat exchanger.The results show that compared with the change of parameters,the heat exchange area of water was the largest.With the increase of flue gas mass velocity and heat transfer tube,the heat transfer area reduces.However,with the increase of pipe spacing,the heat transfer area increases.Under the condition that the flue gas side pressure was reduced to 50 kPa and the lateral pressure of the work force was reduced to 1 kPa,the heat exchange area was the minimum quantity of industrial heptane,and its heat exchange area was 183.3 m2.关键词
余热锅炉/有机工质/参数优化/压降分析/换热性能Key words
waste heat boiler/organic working fluids/parameter optimization/pressure drop analysis/heat transfer performance分类
能源科技
