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煤矿生产随着开采深度的增加和生产日益集中化、采掘工作面和矿井的绝对瓦斯涌出量也日趋增大、抽放瓦斯的必要性与日俱增。煤矿抽放瓦斯对高沼气矿井来说不是一种选择,而是生产过程中一项必不可少的环节。
With the increase of mining depth and the increasingly centralized production, the absolute gas emission from mining face and mine is also increasing day by day. The necessity of gas drainage is increasing day by day. Gas drainage from coal mines is not an option for high-methane mines, but an essential part of the production process.