泥沙泥漿等行業的污水交給陰離子聚丙烯酰胺完美解決
來源：鞏義市夾津口(kou)匯源供水材料廠 閱讀：2312 更新時(shi)間：2014-12-29 09:15
用(yong)(yong)于(yu)(yu)(yu)洗沙(sha)泥(ni)(ni)漿(jiang)廢水(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)的(de)(de)處(chu)理(li)，一般采用(yong)(yong)APAM，通(tong)(tong)常這(zhe)些泥(ni)(ni)漿(jiang)來(lai)源于(yu)(yu)(yu)建筑打樁、砂(sha)(sha)(sha)(sha)場(chang)、隧(sui)道(dao)(dao)山(shan)洞、礦山(shan)尾礦等，在這(zhe)里我(wo)們(men)主要(yao)探討砂(sha)(sha)(sha)(sha)場(chang)泥(ni)(ni)漿(jiang)廢水(shui)(shui)(shui)沉(chen)(chen)降用(yong)(yong)高分子(zi)絮凝(ning)劑(ji)聚丙(bing)烯(xi)酰(xian)胺的(de)(de)情(qing)況。洗沙(sha)泥(ni)(ni)漿(jiang)廢水(shui)(shui)(shui)絮凝(ning)劑(ji)用(yong)(yong)作為(wei)(wei)污(wu)(wu)泥(ni)(ni)沉(chen)(chen)淀劑(ji)。目前我(wo)國砂(sha)(sha)(sha)(sha)機制砂(sha)(sha)(sha)(sha)的(de)(de)工(gong)(gong)藝流程為(wei)(wei)：將(jiang)卵石或礦石經破碎(sui)機械破碎(sui),通(tong)(tong)過(guo)洗砂(sha)(sha)(sha)(sha)設備，對沙(sha)石沖洗，得(de)到(dao)含泥(ni)(ni)量(liang)教少的(de)(de)細沙(sha)。這(zhe)種工(gong)(gong)藝產生大(da)量(liang)的(de)(de)污(wu)(wu)水(shui)(shui)(shui)，主要(yao)污(wu)(wu)染物(wu)為(wei)(wei)泥(ni)(ni)沙(sha)其中(zhong)(zhong)泥(ni)(ni)渣懸浮于(yu)(yu)(yu)水(shui)(shui)(shui)中(zhong)(zhong)，較難沉(chen)(chen)降，直接(jie)(jie)排放(fang)對水(shui)(shui)(shui)體污(wu)(wu)染嚴重，目前業內采用(yong)(yong)的(de)(de)沉(chen)(chen)淀池(chi)(chi)法占地面積(ji)大(da)，處(chu)理(li)時間長，沉(chen)(chen)渣提(ti)取不易(yi)，槽罐車外運法，費用(yong)(yong)高，不能從根本上(shang)解決問題。而近(jin)年來(lai)大(da)部分采用(yong)(yong)該(gai)種工(gong)(gong)藝系(xi)(xi)(xi)統(tong)泥(ni)(ni)漿(jiang)水(shui)(shui)(shui)收集沉(chen)(chen)淀池(chi)(chi)，二(er)沉(chen)(chen)池(chi)(chi)，清液池(chi)(chi)，泥(ni)(ni)砂(sha)(sha)(sha)(sha)分離(li)系(xi)(xi)(xi)統(tong)，加藥系(xi)(xi)(xi)統(tong)，排水(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)，排渣系(xi)(xi)(xi)統(tong)。其工(gong)(gong)作原(yuan)理(li)為(wei)(wei)：泥(ni)(ni)漿(jiang)水(shui)(shui)(shui)通(tong)(tong)過(guo)管道(dao)(dao)收集流入(ru)沉(chen)(chen)淀池(chi)(chi)，通(tong)(tong)過(guo)泥(ni)(ni)漿(jiang)脫水(shui)(shui)(shui)機預處(chu)理(li)，去除(chu)泥(ni)(ni)漿(jiang)水(shui)(shui)(shui)中(zhong)(zhong)的(de)(de)大(da)部分細沙(sha)及部分泥(ni)(ni)漿(jiang)，濾液經排水(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)進(jin)入(ru)二(er)沉(chen)(chen)池(chi)(chi)。二(er)沉(chen)(chen)池(chi)(chi)的(de)(de)泥(ni)(ni)漿(jiang)水(shui)(shui)(shui)為(wei)(wei)懸浮泥(ni)(ni)漿(jiang)，與(yu)水(shui)(shui)(shui)的(de)(de)比重差很(hen)小，須加絮凝(ning)劑(ji)處(chu)理(li)，泥(ni)(ni)漿(jiang)水(shui)(shui)(shui)經脫水(shui)(shui)(shui)機處(chu)理(li)后，泥(ni)(ni)砂(sha)(sha)(sha)(sha)支(zhi)除(chu)率(lv)百分之九十五以(yi)上(shang)，清液池(chi)(chi)中(zhong)(zhong)的(de)(de)水(shui)(shui)(shui)可直接(jie)(jie)回到(dao)洗砂(sha)(sha)(sha)(sha)系(xi)(xi)(xi)統(tong)中(zhong)(zhong)，真正做到(dao)零排放(fang)。利用(yong)(yong)來(lai)處(chu)理(li)該(gai)系(xi)(xi)(xi)統(tong)污(wu)(wu)水(shui)(shui)(shui)處(chu)理(li)成(cheng)本很(hen)低，回報率(lv)較高。
