Cement Rotary Kiln Develops Forward


  The technological performance of cement rotary kiln is marked by production capacity, heat consumption and rotary ratio. The production capacity means the amount of clinker produced per day, heat consumption means the quantity of heat used by rotary kiln to produce a kilogram of clinker, and the rotary ratio means the ratio of rotary time and calendar time. Because of the difference in production way, usage of waste air and remained heat, and the cooling way of clinker, the types of rotary kiln vary. Cement rotary kiln can be divided as wet type, semi-dry type, and dry type according to the moisture of feeding materials.  The rotary kiln is rotating around its own axis of the steel cylinder ,containing a firebrick sorts, in which the burning material, Kiln floating on the basis of the supporting wheel, the wheel can rotate with the rotating kiln. The wheel is fixed with the reinforced concrete foundation, Kiln load can be passed to the foundation by the wheel. According to the vibration of the rotary kiln equipment for concrete production, the subject of finite element simulation to large-scale dynamical foundation is put forward in this article. The work is on the dynamical characters of the kiln-base-foundation systems. Because of the complexity of the system, we must consider the deformation coordination of the rotary kiln and the foundation.   Having a comprehensive understanding of the kiln’s foundation and superstructure, making a detailed analysis of how the endogen force happens of kiln’s foundations, discussing the calculation method of the kiln’s foundation, loading time history analysis on the kiln model with the acceleration curve which obtained at the scene. On the base of the method of the finite element, we developed large-scale soft and made parameterizations of the finite element programming. With the visual basic language, we compiled window-interface, set the parameters about the physical dimensions and material properties of the equipment, the kiln’s foundation and the geology data of the understructure as the input variables. In the future, we can achieve the following purpose: guiding the project design, optimization indicators of the kiln’s foundations, achieve reasonable economic purpose. 
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