The Equivalent Straight Pipe Heat Transfer Model Of The Cement Clinker Accumulation Body

Cement is the most basic building material not only widely used in civil and industrialbuilding but also plays an important place in water conservancy, transportation, urbanconstruction. The heat transfer process of clinker influences the cement quality directlywhich is hot research for many experts. There is not an unified method in cement clinkerheat transfer research, On the premise of ensuring calculation precision, a model is built todecrease the difficulty of the solving process, which providing a new method in cementclinker heat transfer research.At first, the equivalent straight pipe heat transfer physical model of cement clinkerporous media was built base on analysis of the heat transfer process of clinkeraccumulation unit body, according to the problems of heat transfer process in grate cooler.The straight pipe law and the theory of seepage heat transfer were combined according tothe pressure distribution. As a new method, the heat transfer law of clinker accumulationbody unit was acquired by solving the equations which were made by bring seepage heattransfer relationship to equation of straight pipe.Secondly, to expand the body unit to whole body, variable length model of cementclinker porous media was built base on the equivalent straight pipe model of accumulationbody unit. The heat transfer law of clinker accumulation was acquired by considered therelated parameters of heat transfer as constant, which revealing heat transfer theory ofcement clinker porous media. The model decreased the difficulty of the solving and it wasconvenient for engineering application.Lastly, a specialized experimental device was designed according to the self-designedexperimental scheme which was used to verify the equivalent straight pipe heat transfermodel. Some related date was collected with the experimental equipment. Throughcomparison between the collected data and the calculated results the model could beverified to be reasonable and feasible. In addition, some related parameters were analyzedto influencing the heat transfer process.