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建筑打樁泥漿聚丙烯酰胺

 
 
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更新 2017-08-29 16:25
 

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建筑打樁泥漿聚丙烯酰胺

 

    建筑打樁泥漿是一種水中含有一定量的微細(xì)泥顆粒的懸浮液體.泥漿的特性取決于它的成分,和當(dāng)?shù)氐牡刭|(zhì)條件有關(guān),一般特性是泥漿外觀為土黃色,均勻有粘性,長(zhǎng)時(shí)間靜止不分層,比重在1.20~1.46之間(其中黃沙比重1.6);含泥量20%~30%,PH值:6~7。這些泥漿來(lái)源于建筑打樁、砂場(chǎng)、隧道山洞、礦山尾礦等。在這里主要探討砂場(chǎng)泥漿廢水沉降用高分子凝集劑的情況。

 

     目前我國(guó)砂機(jī)制砂的工藝流程為:將卵石或礦石經(jīng)破碎機(jī)械破碎,通過(guò)洗砂設(shè)備,對(duì)沙石沖洗,得到含泥量教少的細(xì)沙。這種工藝產(chǎn)生大量的污水,主要污染物為泥沙~~其中泥渣懸浮于水中,較難沉降,直接排放對(duì)水體污染嚴(yán)重,目前業(yè)內(nèi)采用的沉淀池法占地面積大,處理時(shí)間長(zhǎng),沉渣提取不易,槽罐車(chē)外運(yùn)法,費(fèi)用高,不能從根本上解決問(wèn)題。而近年來(lái)大部分采用該種工藝系統(tǒng)泥漿水收集沉淀池,二沉池,清液池,泥砂分離系統(tǒng),加藥系統(tǒng),排水系統(tǒng),排渣系統(tǒng)。

 

建筑打樁泥漿聚丙烯酰胺   *******.szpam.*

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