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矿山粉尘的产生 矿山的粉尘主要由矿山微粒和其他粉状物组成,状态上分为干粉尘和湿粉尘。在矿山开采以及后续加工生产过程中,粉尘生产主要集中在钻爆过程、破碎、筛分和皮带传送、运输、转载过程中。一条完整的矿山加工生产线,需要经过破碎、筛分、研磨、运输、集料等工序,每一道工序,伴随着矿石的破裂与移动,细微级颗粒会逐步分离出来,从而会产生越来越多的粉尘。 矿山粉尘的危害 粉尘的种类繁多,性质各异。一般情况下粉尘粒径小,在空气中越不易沉降,难以捕集,随着空气的流动,造成长期大范围污染,并易于随空气吸入呼吸道深部,对人体的危害亦越大 中国的大气污染已达到相当普遍和严重的地步。由于工业布局不合理、人口密集等
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