Harm of spontaneous combustion gangue dump explosion and its counter techniques

Abstract：Spontaneous combustion gangue dump explosion accident happened frequently, it had cause massive casualties and economic losses, which greatly influencing the rapid development of coal enterprises.The paper combine with the exploding instance of a gangue dump, analyzed the main factors of inducing gangue dump explosion, and indicated that demolish the ambience by exploding, which bring high pressure, high-temperature, gangue dust, shock waves etc.The measures of spontaneous combustion gangue dump explosion of prevent measures was given, which could make coal enterprises aware of the importance to prevent gangue dump explosion.At the same time, it has extremely practical significance to seek effective precaution measures for gangue dump explosion.

Keyword：coal gangue;spontaneous combustion gangue dump;explosion mechanism;