An original model of thinking about dustproducing and its characteristics at ore dropping point in oresliding pit,and a selfcleaning spray install is designed and its suitable effect is good.

• 通过对溜矿井卸矿点产尘及其特点的研究,提出了一种独特的防尘思维模式,并有针对地设计出一种自净式喷雾装置,适用效果良好。