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在多特蒙德(1967)和东京(1969)国际矿山安全会议上,已经提出在钢管坑道中用发射弹——即消火物质控制相当激烈的矿井爆炸的可能性。在直径1400毫米和2500毫米铁管巷道中,将至目前为止所得的结果进行反复试验,都使用400米/秒的爆炸速度的抑制设施来阻止矿井爆炸,并研究了在这类坑道中装设的消火物质的效果。结果得出了,消火物质的最低用量为巷道断面积和爆炸速度两方的一次函数,与向
At the International Conference on Mine Safety in Dortmund (1967) and Tokyo (1969), the possibility of using a projectile-that is, a fire-extinguishing substance-to control a mine explosion that is quite intense in the tunnel has been proposed. Repeated tests of the results to date at 1400 and 2500 mm diameter tunnels have used a 400 m / s suppression facility to stop mine explosions and have been studied in such tunnels The effect of fire-fighting substances. The results obtained, the minimum amount of fire-fighting material for the tunnel cross-sectional area and the explosion rate of both functions of a function of