Thermodynamic Modelling of the Lead Sintering Roasting Process

  • Teresa Rojas-Sanchez INSTITUTO POLITECNICO NACIONAL-ESIQIE
  • Antonio Romero-Serrano INSTITUTO POLITECNICO NACIONAL - ESIQIE
  • Aurelio Hernandez-Ramirez INSTITUTO POLITECNICO NACIONAL - ESIQIE
  • Josue Lopez-Rodriguez INSTITUTO POLITECNICO NACIONAL - ESIQIE
  • Isaias Almaguer-Guzman Servicios Administrativos Peñoles S.A de C.V.
  • Ricardo Benavides-Perez Servicios Administrativos Peñoles S.A de C.V.
  • Manuel Flores-Favela Servicios Administrativos Peñoles S.A de C.V.

Abstract


This work proposes a simulation strategy of the lead sintering process assuming that it takes place in a horizontally moving packed bed with transverse air flow. Some local chemical reactions occur at rates depending on the temperature; chemical species formed in one volume stage will flow for further reaction in other stages. To simulate this process, the model reactor is divided into a number of sequential stages. Condensed species flow horizontally and gaseous species leave each stage vertically. The compositions and temperatures of the species are calculated considering that the local thermodynamic equilibrium is reached in each stage without external heat transfer, apart from the gas flow, before moving on to the next stage. The model calculates the temperature profile along the sintering machine, the compositions of the sinter and the exhaust gas. The results of the proposed model are compared with sinter pot experimental trials and a reasonably good agreement was obtained. This model can be used to optimize the operating conditions of the lead sintering process.

Author Biographies

Teresa Rojas-Sanchez, INSTITUTO POLITECNICO NACIONAL-ESIQIE
Metallurgy and Materials Department
Antonio Romero-Serrano, INSTITUTO POLITECNICO NACIONAL - ESIQIE
Metallurgy and Materials Department
Aurelio Hernandez-Ramirez, INSTITUTO POLITECNICO NACIONAL - ESIQIE
Metallurgy and Materials Department
Josue Lopez-Rodriguez, INSTITUTO POLITECNICO NACIONAL - ESIQIE
Metallurgy and Materials Department

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Published
2019/04/17
How to Cite
Rojas-Sanchez, T., Romero-Serrano, A., Hernandez-Ramirez, A., Lopez-Rodriguez, J., Almaguer-Guzman, I., Benavides-Perez, R., & Flores-Favela, M. (2019). Thermodynamic Modelling of the Lead Sintering Roasting Process. Journal of Mining and Metallurgy, Section B: Metallurgy, 55(1), 21. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/18920
Issue
Vol. 55 No. 1 (2019)
Section
Original Scientific Paper

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