Design and finite element analysis of a wet cycle cement rotary kiln

  • Authors:

  • J. J. del Coz Díaz;F. Rodríguez Mazón;P. J. García Nieto;F. J. Suárez Domínguez

  • Affiliations:

  • Departamento de Construccion e Ingenieria de Fabricacion, Universidad de Oviedo, Edificio Dep. de Viesques no 7, 33204 Gijon, Spain;Departamento de Construccion e Ingenieria de Fabricacion, Universidad de Oviedo, Edificio Dep. de Viesques no 7, 33204 Gijon, Spain;Departamento de Matemáticas, Facultad de Ciencias, C/ Calvo Sotelo s/n, Universidad de Oviedo, 33007 Oviedo, Spain;Departamento de Construccion e Ingenieria de Fabricacion, Universidad de Oviedo, Edificio Dep. de Viesques no 7, 33204 Gijon, Spain

  • Venue:
  • Finite Elements in Analysis and Design
  • Year:
  • 2002

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Abstract

The finite element method (FEM) is applied to the nonlinear analysis of a cement rotary kiln for the Raïs Hamidou factory (Algeria). The nonlinearity is due to contact conditions between the kiln body, tyres and foundations. The FEM is first used in a reduced model of the kiln in order to obtain the meshing criterion for the global model. Then, an overall FEM analysis is performed for the different operating and live loads at different positions of the rotary kiln. Stress and displacement components are evaluated based on the ASME rules (Asme Boiler and Pressure Vessel Code. VIII. Division 2--Alternative Rules. The American Society of Mechanical Engineers, 1995). Finally, in this work, the main design criterion is the out-of-roundness values at the kiln shell so that the thickness of the kiln shell is smaller in the central bend span than the values at the tyres.