摘要
提出了自然风压在矿井中的三种表现形式，论述了自然风压的实质是井上下热力因素等在矿井一切井巷中所产生的水平热压差，矿井的自然热位差是水平热压差叠加的结果。把自然热位差当做自然风压在理论上是模糊的，是不符合矿井实际情况的。
Abstract There are three forms of natural draft pressure in mines which is in essential the difference of horizontal thermo-pressure generated from thermal factors on surface and underground in all shafts and roadways.The natural thermopotential difference in a mine is a result superimposition of horizontal thermo-pressure difference.Taking natural thermo-potential difference as natural draft pressure is ambiguous in theory and not in accord with the actual condition of mines.
