It is concluded that gas flow is the main factor which affects pressure in regenerative reheating furnaces and it is affected by switching mode in some degree.

• 针对此现象对实际蓄热式加热炉进行理论分析，得知炉内气体流动状况是影响炉膛压力的主要因素，而换向方式对炉内气体流动状况有一定影响。