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Flue gas recirculationFlue gas recirculation sinteringSintering technology can reduce flue gasFlue gas emissionsEmission and reuse wasteWastes heat effectively in iron ore sinteringIron ore sintering. A comprehensive mathematical modelMathematical model is established in this work to study the sinteringSintering performance of flue gas recirculationFlue gas recirculation technology. The proposed model considers fluid flow, multiphase reactions, and various heat transfer within/between different solid and gas phases. The reliability of the model is validated by contrasting the modelling results and the experimental data from sinter pot tests. The simulationSimulation results indicate that flue gas recirculationFlue gas recirculation sinteringSintering can increase the thickness of sinter bed over a reasonable temperatureTemperature range, and making sinteringSintering processProcess more stable. Compared with the traditional iron ore sinteringIron ore sintering processProcess, the emissionsEmission of nitrogen oxides can be reduced by approximately 18.6%.

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Numerical Simulation on Temperature and Emission of Flue Gas Recirculation Process of Iron Ore Sintering

  • 会议论文

  • 发表日期：

    2026年

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  • Jin Xu,
  • Ruorong Zhou,
  • Qibin Zhang,
  • Min Shi,
  • Donghua Xu

摘要

Flue gas recirculationFlue gas recirculation sinteringSintering technology can reduce flue gasFlue gas emissionsEmission and reuse wasteWastes heat effectively in iron ore sinteringIron ore sintering. A comprehensive mathematical modelMathematical model is established in this work to study the sinteringSintering performance of flue gas recirculationFlue gas recirculation technology. The proposed model considers fluid flow, multiphase reactions, and various heat transfer within/between different solid and gas phases. The reliability of the model is validated by contrasting the modelling results and the experimental data from sinter pot tests. The simulationSimulation results indicate that flue gas recirculationFlue gas recirculation sinteringSintering can increase the thickness of sinter bed over a reasonable temperatureTemperature range, and making sinteringSintering processProcess more stable. Compared with the traditional iron ore sinteringIron ore sintering processProcess, the emissionsEmission of nitrogen oxides can be reduced by approximately 18.6%.