本书研究了蓄热式环形炉的热过程模拟和优化控制。首先总结了环形炉的发展历程，然后分析了新型炉型蓄热式环形炉的热态实验炉和冷态实验炉。我们还研究了蓄热式环形炉的在线控制系统和控制策略，并列出了在线控制效果。本书可为钢铁企业加热炉相关工艺人员、本书的读者提供理论指导。将包括钢铁企业的加热炉工艺管理人员、钢铁企业的其他人员、其他行业的热工和自动化技术人员等。

1 Research and application status of annular heating
1.1 Characteristics and development status of annular furnace
1.1.1 History of billet reheating furnace
1.1.2 Development status of annular heating furnace
1.2 Research status of annular heating furnace
1.2.1 Theoretical model method
1.2.2 Thermal simulation method
1.2.3 Cold state experimental methods
1.3 Research status of computer optimal control for annular furnace
1.3.1 Combustion control of annular heating furnace
1.3.2 Optimized control of annular heating furnace
1.3.3 Application of mathematical model in optimal control of annular heating furnace
2 Simulation and experiment of regenerative combustion in asymmetrical arrangement of annular space
2.1 Mathematical model of regenerative combustion in asymmetricalarrangement of annular space
2.1.1 Establishment of physical mathematical model
2.1.2 Condition of definite solution
2.1.3 Determination of numerical calculation method
2.2 Simulation analysis of regenerative combustion in asymmetrical arrangement of annular space
2.3 Thermal state experiment of regenerative combustion in the asymmetrical arrangement of annular space
2.3.1 Thermal experimental equipment
2.3.2 Analysis of the combustion status of the regenerative burner
2.3.3 Furnace temperature distribution law in regenerative experimental furnace
2.3.4 Pressure distribution in the regenerative experimental furnace
2.4 Summary of this chapter
3 Experimental study on the cold state of the regenerative annularheating furnace
3.1 Determination of the main parameters of the cold state experiment
3.2 Cold state experimental design and experimental procedures
3.2.1 Laboratory equipment
3.2.2 Experimental methods and procedures
3.3 Experimental results and analysis
3.3.1 The influence of the reversing process of the regenerative burner on the pressure field in the furnace
3.3.2 Measurement and analysis of the flow field distribution of the jet flow of the regenerative burner
3.3.3 Measurement and analysis of pressure distribution in thefurnace
3.4 Summary of this chapter
4 Numerical simulation of the thermal state of the regenerative annular heating furnace
4.1 Physical and mathematical model
4.1.1 The establishment of the model
4.1.2 Condition of definite solution
4.2 Determination of numerical calculation method
4.2.1 Mesh generation of geometric model
4.2.2 Numerical calculation method
4.3 Simulation results and analysis of the combustion status of the regenerative annular heating furnace under rated load
4.3.1 Simulation results and analysis of the temperature field of the whole furnace under the same side combustion
4.3.2 Simulation results and analysis of the temperature field of the whole furnace under staggered combustion
4.4 Numerical simulation results and analysis of combustion strategy under small load in heating section
4.4.1 Analysis of different control strategies of the regenerative burner under small load in the heating section
4.4.2 Formulation of control strategy for staggered combustion to disable burners under different loads
4.5 Convection heat transfer characteristics in the furnace under combined heating
4.5.1 Comparative study of furnace convection heat transfer coefficient under rated load
4.5.2 Modification of Budalov empirical formula in the heating section
4.6 Summary of this chapter
5 Simulation calculation and online control of regenerative annular heating furnace
5.1 Mathematical model of regenerative annular heating furnace
5.1.1 Governing formula
5.1.2 Determination of numerical solution method
5.1.3 Verification of the mathematical model
5.2 Numerical simulation system for thermal process of annular heating furnace
5.2.1 Basic principles of interface