The paper deds with the choking structure at preheating section of reheating furnace, analyses itspressure field, velocity field and distribution of turbulence of choker structure on thermal behavior.

• 研究加热炉预热段的扼流结构，分析了它们的压力场、速度场和紊流度的分布，探讨了扼流结构的变化对热工的影响。