Recuperación energética y análisis térmico del proceso de cocción en la industria cerámica
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Universidad Industrial de Santander
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Las investigaciones encontradas en la literatura no son específicas para hornos colmena, que son los más usados en la industria ladrillera (cerámica) en Colombia. Es por esto que en este trabajo se desarrolla un modelo matemático analítico que simula el comportamiento de los gases de combustión en esos hornos. En el horno se modela la combustión, la transferencia de calor y masa a los productos y las pérdidas por las paredes. El modelo matemático usado es validado con resultados experimentales. Además, con los datos experimentales medidos en el ducto de descarga y chimenea, se selecciona un sistema recuperador para aprovechar la energía residual.
Previous scientific research has not focused on downdraught beehive kilns, which are the most used in the Colombian brick (ceramic) industry. Hence, in the present paper, an analytical mathematical model is developed in order to simulate the exhaust gas behavior. To do so, gas combustion and heat and mass transfer to the products and the walls are modelled within the kiln. The obtained model is validated by experimental data. Finally, with the experimental data acquired in the discharge duct and chimney, a heat recovery system is proposed to make use of the residual energy.
Previous scientific research has not focused on downdraught beehive kilns, which are the most used in the Colombian brick (ceramic) industry. Hence, in the present paper, an analytical mathematical model is developed in order to simulate the exhaust gas behavior. To do so, gas combustion and heat and mass transfer to the products and the walls are modelled within the kiln. The obtained model is validated by experimental data. Finally, with the experimental data acquired in the discharge duct and chimney, a heat recovery system is proposed to make use of the residual energy.
Keywords
heat transfer, mathematical model, downdraught beehive kiln, coal combustion, thermodynamics, combustión de carbón, horno colmena, intercambiador de calor, termodinámica, transferencia de calor