干熄焦炉内流动及传热行为研究

Research of Dry Quenching Furnace Flow and Heat Transfer Behavior

采用dual mesh技术,将焦炭颗粒流体域和冷却气体流体域分割成网格一一对应的两个计算域,对两个区域分别建立各自的传热微分方程,通过气体和焦炭间的对流换热建立两个区域间的关联,模拟计算干熄焦炉内三维流动及传热行为,分析干熄焦炉生产过程中诸多工艺参数对换热过程的影响,获得了炉内温度场分布,为优化生产工艺及后续的干熄焦炉耐火材料的热应力计算奠定了基础。

The dual mesh technology is adopted to divide the coke particle fluid domain and cooling gas fluid domain into two calculation domains of grid one to one correspondence, the heat transfer equation of each domain is established respectively, through the convective heat transfer between the gas and coke, the connections between two areas are established, to simulate and calculate the three - dimensional flow of dry＂ quenching furnace and heat transfer behavior and analyze the influences of various parameters in the production of dry quenching on heat exchange process, and so the temperature field distribution in the furnace is obtained, which lays a foundation for the production process optimization and subsequent dry quenching furnace refractory thermal stress calculation.