By theoretical analysing and applied results determing directly equalizing for local ventilator,discusses the suitable of the directly equalizing of local ventilator in coal mine controlling fire.

• 通过对局部通风机直接调压作用的理论分析及实际应用效果测定,探讨了局部通风机直接调压在矿井防灭火实践中的可用性及适用性。