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露天礦公路揚塵機理及抑塵

Road dust formation and suppression in an open pit

  • 摘要: 分析了露天礦粉塵的危害以及在運輸荷載下的揚塵機理,提出了與傳統方法完全不同的粘結、潤濕和保水一體的生態抑塵思想,進行了廣泛的實驗模擬和現場工業試驗.結果表明,新型抑塵劑具有粘結、凝并、吸濕、保水、固結路面、自適應水土環境的效果,制備工藝簡單,綜合費用合理,性價比高,能滿足露天礦公路運輸和其他作業場址的防塵要求.

     

    Abstract: A simple statement about dust hazard and the mechanism of roadway dust induced by haulage loads in an open pit were analyzed. Based on the theoretic results, a concept for eco-typed dust control and a recipe of roadway dust suppression were introduced. The dust suppressor characterized by adhesion, moisture-absorption and anti-evaporation is completely different from those in conventional ways. An extensive experimental simulation and commercial test were carried out and the results show that the suppressor can meet the requirement of roadway dust suppression in an open pit and other similar sites because of its excellent dust suppression effects such as adhesion, agglomeration, moisture absorption and anti-evaporation and pave-concretion, and self-adaptive to natural environment, simple preparation technology, rational comprehensive cost and high specific performance.

     

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