粉尘飞扬是很多生产作业场所常见的景象。非煤矿山在生产过程中,如凿岩、爆破、铲装、运输和破碎等作业时,会产生大量的粉尘,尾矿库也存在一定的粉尘,同时一些工厂企业在运输、粉碎、加工等过程中粉尘危害问题日益突出,致使部分作业人员受到不同程度的粉尘危害。娄底市冶金、建材、煤炭、化工等主要支柱产业中,普遍存在粉尘、有毒有害 Dust flying is a common sight in many production sites. Non-coal mines in the production process, such as drilling, blasting, shoveling, transportation and crushing operations, will produce a lot of dust, tailings also exist some dust, while some factories and enterprises in the transport, crushing, processing Dust hazards in the process have become increasingly prominent, resulting in some workers are subject to varying degrees of dust hazards. Loudi metallurgy, building materials, coal, chemicals and other major pillar industries, the prevalence of dust, toxic and harmful