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现代化的回采工作面是矿井的主要尘源。对回采工作面要取得满意的防尘效果,必须采取以防为主的综合防尘措施。从国内外对回采工作面防尘所采用的手段来看,水是防尘措施中的主要手段。从措施类别可分为抑尘措施、降尘措施、除尘措施及个体防护措施等四类。 第一类 抑尘措施 通常都把抑尘措施称为防尘措施。抑尘措施包括三个方面:一是选择和改变采煤方法,采用水力采煤等;二是在回采前预先采
Modern mining face is the main source of dust in the mine. For mining face to obtain satisfactory dust effect, we must take to prevent comprehensive dust control measures. From domestic and foreign means of dust used mining face, water is the main means of dust control measures. From the types of measures can be divided into dust suppression measures, dust control measures, dust removal measures and individual protective measures and other four categories. The first type of dust suppression measures are usually dust suppression measures called dust. Dust suppression measures include three aspects: First, select and change the mining method, the use of hydraulic coal mining; the second is pre-mining before mining