Numerical Simulation and Analytical Characterization of Heat Transfer between Cement Clinker and Air in Grate Cooler

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  • Wang Meiqi
    School of Information Science and Engineering, Yanshan University The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Yanshan University
  • Liu Bin
    School of Information Science and Engineering, Yanshan University The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Yanshan University
  • Wen Yan
    School of Mechanical Engineering, Yanshan University
  • Liu Haoran
    School of Information Science and Engineering, Yanshan University The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Yanshan University

書誌事項

公開日
2016
DOI
  • 10.1252/jcej.14we414
公開者
公益社団法人 化学工学会

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説明

An unsteady heat transfer model of cement clinker in a grate cooler was built by according to theory of seepage heat transfer in porous media. Then, the heat transfer law of cement clinker in a grate cooler was obtained by solving the equations of seepage field and temperature field. Using the model, the influence of two main working parameters, grate speed and wind pressure, in the clinker cooling process were analyzed. The calculation results showed that the air temperature and clinker temperature rise with the increase of grate speed and a reasonable grate speed range is 0.007–0.009 m/s. The air temperature and clinker temperature dropped with the increase of air supply pressure and a reasonable air supply pressure range is 6,000–8,000 Pa.

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