文章(zhang)來源:寧夏國資委 發布時間:2020-04-24
近日,國家(jia)能源集團寧夏煤(mei)(mei)業公司寧東(dong)礦區(qu)礦井水(shui)及煤(mei)(mei)化(hua)(hua)工廢水(shui)處理(li)利用項目(mu)礦井水(shui)系(xi)列蒸(zheng)發結(jie)晶產出雜(za)鹽,標(biao)(biao)志著這個設計(ji)指標(biao)(biao)亞洲最大的(de)(de)工業廢水(shui)處理(li)項目(mu)的(de)(de)二階段全(quan)流程已全(quan)部打通。該項目(mu)的(de)(de)建成投入(ru)運行(xing)將(jiang)會使寧東(dong)煤(mei)(mei)化(hua)(hua)工園區(qu)成為全(quan)國首個實現廢水(shui)零排(pai)放(fang)的(de)(de)大型綜合工業園區(qu),對(dui)寧東(dong)能源化(hua)(hua)工基地(di)可持續發展具有深遠意(yi)義(yi)。
作為(wei)寧夏(xia)煤(mei)業環(huan)保1號工(gong)(gong)程,寧東礦(kuang)(kuang)區礦(kuang)(kuang)井水(shui)(shui)(shui)及(ji)煤(mei)化(hua)(hua)(hua)(hua)工(gong)(gong)廢(fei)水(shui)(shui)(shui)處(chu)理(li)(li)利用項(xiang)目是國(guo)內第一(yi)套(tao)3000m3/h的化(hua)(hua)(hua)(hua)工(gong)(gong)廢(fei)水(shui)(shui)(shui)及(ji)礦(kuang)(kuang)井水(shui)(shui)(shui)處(chu)理(li)(li)裝置,項(xiang)目由(you)煤(mei)化(hua)(hua)(hua)(hua)工(gong)(gong)公(gong)用設(she)施管理(li)(li)分公(gong)司建設(she)運營,總(zong)占(zhan)地面積20.1萬平方米,總(zong)投資(zi)16.9億元(yuan),是國(guo)內投入最多、工(gong)(gong)藝路線最復雜、技(ji)術最領先(xian)的工(gong)(gong)業廢(fei)水(shui)(shui)(shui)零排放(fang)(fang)項(xiang)目。該項(xiang)目分兩階(jie)段,一(yi)階(jie)段分為(wei)礦(kuang)(kuang)井尾(wei)(wei)水(shui)(shui)(shui)、煤(mei)化(hua)(hua)(hua)(hua)工(gong)(gong)廢(fei)水(shui)(shui)(shui)預處(chu)理(li)(li)及(ji)膜脫(tuo)鹽單元(yuan),經(jing)過預處(chu)理(li)(li)及(ji)膜脫(tuo)鹽單元(yuan)處(chu)理(li)(li),實現(xian)產品(pin)水(shui)(shui)(shui)回用。二階(jie)段收集一(yi)階(jie)段礦(kuang)(kuang)井尾(wei)(wei)水(shui)(shui)(shui)濃(nong)鹽水(shui)(shui)(shui)、煤(mei)化(hua)(hua)(hua)(hua)工(gong)(gong)廢(fei)水(shui)(shui)(shui)濃(nong)鹽水(shui)(shui)(shui),經(jing)過蒸(zheng)發結(jie)晶處(chu)理(li)(li),實現(xian)化(hua)(hua)(hua)(hua)工(gong)(gong)園區污水(shui)(shui)(shui)零排放(fang)(fang),解決了礦(kuang)(kuang)井尾(wei)(wei)水(shui)(shui)(shui)和(he)煤(mei)化(hua)(hua)(hua)(hua)工(gong)(gong)廢(fei)水(shui)(shui)(shui)排放(fang)(fang)及(ji)處(chu)理(li)(li)問題。
據(ju)了解,該(gai)項目處(chu)理(li)的化工(gong)廢水(shui)(shui)來自烯烴一分公(gong)(gong)司(si)、甲(jia)醇分公(gong)(gong)司(si)、萬邦達公(gong)(gong)司(si)、清水(shui)(shui)營礦(kuang)等多個單位,來水(shui)(shui)成分復雜多變,處(chu)理(li)工(gong)藝(yi)流程長、難度大。項目采用(yong)(yong)(yong)多項國(guo)際國(guo)內先進技(ji)(ji)術,其中(zhong)兩級臭氧及(ji)兩級生(sheng)化處(chu)理(li)技(ji)(ji)術是首次(ci)由中(zhong)試裝置工(gong)業(ye)化放大應用(yong)(yong)(yong)。項目年(nian)(nian)產回(hui)用(yong)(yong)(yong)水(shui)(shui)2409萬立方米,全部進入(ru)煤化工(gong)生(sheng)產系(xi)統代替新(xin)鮮水(shui)(shui),可滿足烯烴一分公(gong)(gong)司(si)生(sheng)產用(yong)(yong)(yong)水(shui)(shui)。此外,每年(nian)(nian)還能(neng)生(sheng)產副產品(pin)一級品(pin)氯化鈉(na)3.99萬噸、無水(shui)(shui)硫酸鈉(na)4.32萬噸、雜鹽1.44萬噸,全部實現了資(zi)源(yuan)化利用(yong)(yong)(yong),不向外排(pai)一滴(di)廢水(shui)(shui),不僅可減小污水(shui)(shui)對環境的污染(ran),還可降(jiang)低水(shui)(shui)資(zi)源(yuan)消耗。
【責任(ren)編輯:李巨堯】