建筑工地中的廢水處理
目前,現代工(gong)(gong)(gong)程項目正朝著規模化、大(da)型化、現代化的(de)方向(xiang)發展,各(ge)大(da)城(cheng)市工(gong)(gong)(gong)程的(de)數量呈指(zhi)數級倍增,今天我們就為(wei)大(da)家詳細的(de)介紹(shao)一(yi)下(xia)建(jian)筑工(gong)(gong)(gong)地廢水處(chu)理,流(liu)程,包括(kuo)雨污水,地下(xia)水,養護廢水處(chu)理等施工(gong)(gong)(gong)方法,為(wei)建(jian)設工(gong)(gong)(gong)程中的(de)施工(gong)(gong)(gong)用水提供(gong)參考(kao)。
建(jian)筑(zhu)工(gong)地廢水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li):在水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)污(wu)(wu)(wu)(wu)染治理(li)(li)(li)(li)回(hui)收(shou)方(fang)面,污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)可分(fen)為(wei)集中(zhong)(zhong)(zhong)式(shi)(shi)、分(fen)散(san)式(shi)(shi)。前者(zhe)(zhe)是絕大(da)(da)多數城市的(de)選擇,用(yong)(yong)于收(shou)集和處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)大(da)(da)流量(liang)污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui),能(neng)夠可靠地、高(gao)效地管理(li)(li)(li)(li)和控制污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)的(de)運行;而后者(zhe)(zhe)最大(da)(da)的(de)好處(chu)(chu)(chu)(chu)(chu)(chu)是適用(yong)(yong)于不同程度(du)的(de)現場條件,可便(bian)捷、快速地實(shi)(shi)現污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li),并且投資和維護費用(yong)(yong)都不大(da)(da)。孰優孰劣,兩(liang)(liang)種處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)模式(shi)(shi)的(de)爭(zheng)論一(yi)直存在,但(dan)在江西、廣東(dong)等國內省份城市以至(zhi)國外城市中(zhong)(zhong)(zhong),積極實(shi)(shi)施并發(fa)揮顯著效益的(de)兩(liang)(liang)種污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)模式(shi)(shi),已使(shi)得(de)二者(zhe)(zhe)的(de)互補取(qu)得(de)了(le)相(xiang)得(de)益彰的(de)良好社(she)會和經濟效果(guo)。但(dan)是仍有(you)大(da)(da)量(liang)的(de)廢水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)實(shi)(shi)際(ji)當中(zhong)(zhong)(zhong)沒有(you)很好的(de)利用(yong)(yong),工(gong)地開(kai)工(gong)時期,大(da)(da)量(liang)的(de)降(jiang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)需要排出(chu),針對(dui)工(gong)地中(zhong)(zhong)(zhong)大(da)(da)量(liang)降(jiang)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)以及污(wu)(wu)(wu)(wu)廢水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)回(hui)收(shou)處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li),也許大(da)(da)家沒有(you)統計過(guo)一(yi)個工(gong)程從開(kai)工(gong)到竣(jun)工(gong)所要排出(chu)的(de)污(wu)(wu)(wu)(wu)廢水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)的(de)工(gong)程量(liang),2月19日,住(zhu)房和城鄉建(jian)設(she)部副部長仇保(bao)興指出(chu),未(wei)來2-3年,中(zhong)(zhong)(zhong)央將投入(ru)900億元(yuan)用(yong)(yong)于污(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)管網設(she)施建(jian)設(she)、再生水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)利用(yong)(yong)、污(wu)(wu)(wu)(wu)泥處(chu)(chu)(chu)(chu)(chu)(chu)理(li)(li)(li)(li)設(she)施和飲用(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)(shui)安全保(bao)障方(fang)面,由此可帶動(dong)社(she)會投資3000億元(yuan)以上。
建筑工地(di)廢水(shui)(shui)處理(li)(li):采用(yong)分(fen)散式和(he)集中(zhong)式相結合的(de)模式,是實現(xian)“全收(shou)集,全處理(li)(li)”的(de)有效解決方(fang)案,有利于提高鄭州污(wu)水(shui)(shui)處理(li)(li)率、加(jia)快(kuai)城(cheng)區水(shui)(shui)環境的(de)改善(shan)。若進一步將處理(li)(li)后的(de)中(zhong)用(yong)作(zuo)為(wei)市(shi)政用(yong)水(shui)(shui),可解決本市(shi)20%的(de)供水(shui)(shui)需求,大(da)大(da)減(jian)少水(shui)(shui)供應緊張的(de)局(ju)面。目前國(guo)內出現(xian)了多種(zhong)形式的(de)分(fen)散式污(wu)水(shui)(shui)處理(li)(li)技術(shu),如人(ren)工濕地(di)、生物濾池、土地(di)滲濾和(he)生態塘等,但(dan)由于這些方(fang)法(fa)大(da)都存(cun)在著占(zhan)地(di)面積大(da)、管理(li)(li)不(bu)方(fang)便、處理(li)(li)效果(guo)不(bu)佳、缺乏(fa)標(biao)準(zhun)化(hua)生產(chan)、質量不(bu)穩定等缺點而無法(fa)大(da)范圍推廣。
自(zi)荷蘭(lan)留學(xue)歸來的(de)(de)北京建(jian)筑(zhu)工程學(xue)院可(ke)持(chi)續(xu)環境生物技術(shu)(shu)研發(fa)中(zhong)(zhong)心(xin)教授郝(hao)曉(xiao)地(di)認(ren)為:分(fen)(fen)(fen)散(san)(san)式(shi)(shi)(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)技術(shu)(shu)絕對不是(shi)對集(ji)(ji)中(zhong)(zhong)式(shi)(shi)(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)技術(shu)(shu)的(de)(de)否定,而是(shi)一個補充(chong)。鄭州市(shi)水(shui)(shui)(shui)(shui)質檢測中(zhong)(zhong)心(xin)的(de)(de)負責人認(ren)為:污(wu)(wu)水(shui)(shui)(shui)(shui)的(de)(de)分(fen)(fen)(fen)散(san)(san)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)和集(ji)(ji)中(zhong)(zhong)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)是(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)的(de)(de)兩種(zhong)不可(ke)缺(que)少(shao)又(you)不能(neng)替代的(de)(de)形(xing)式(shi)(shi)(shi),兩者之間存在(zai)互補關系。堅(jian)持(chi)分(fen)(fen)(fen)散(san)(san)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)和集(ji)(ji)中(zhong)(zhong)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)相結合的(de)(de)原則(ze),構建(jian)中(zhong)(zhong)心(xin)城區以集(ji)(ji)中(zhong)(zhong)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)外排(pai)為主(zhu),郊(jiao)區以分(fen)(fen)(fen)散(san)(san)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)排(pai)放為主(zhu)的(de)(de)方式(shi)(shi)(shi),可(ke)能(neng)將成為深(shen)圳(zhen)提高污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)率甚至河流綜合治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)效率的(de)(de)發(fa)展趨勢。在(zai)日(ri)本(ben)和德國等發(fa)達國家,50%的(de)(de)污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li),采用(yong)了分(fen)(fen)(fen)散(san)(san)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)模(mo)(mo)式(shi)(shi)(shi),而整(zheng)個國家的(de)(de)污(wu)(wu)水(shui)(shui)(shui)(shui)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li),則(ze)采用(yong)分(fen)(fen)(fen)散(san)(san)式(shi)(shi)(shi)與集(ji)(ji)中(zhong)(zhong)式(shi)(shi)(shi)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)模(mo)(mo)式(shi)(shi)(shi)互補的(de)(de)模(mo)(mo)式(shi)(shi)(shi),并(bing)將污(wu)(wu)水(shui)(shui)(shui)(shui)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)由單一的(de)(de)達標向(xiang)水(shui)(shui)(shui)(shui)資(zi)源綜合利用(yong)轉(zhuan)變(bian),有效緩(huan)解了“水(shui)(shui)(shui)(shui)危機”。這對于(yu)我們當前正著力推行的(de)(de)節(jie)能(neng)減(jian)排(pai)工程、實(shi)現水(shui)(shui)(shui)(shui)資(zi)源可(ke)持(chi)續(xu)利用(yong)目(mu)標,應(ying)該有很大的(de)(de)借(jie)鑒意義。針對集(ji)(ji)中(zhong)(zhong)式(shi)(shi)(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)模(mo)(mo)式(shi)(shi)(shi)中(zhong)(zhong)的(de)(de)污(wu)(wu)水(shui)(shui)(shui)(shui)難以全面收集(ji)(ji)、不易(yi)進(jin)(jin)行中(zhong)(zhong)水(shui)(shui)(shui)(shui)回用(yong)、長距離輸(shu)送存在(zai)管(guan)網(wang)(wang)滲漏等問題(ti),有關專家學(xue)者提出,在(zai)集(ji)(ji)中(zhong)(zhong)式(shi)(shi)(shi)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)為主(zhu)的(de)(de)同時(shi),采用(yong)分(fen)(fen)(fen)散(san)(san)式(shi)(shi)(shi)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)進(jin)(jin)行補充(chong),完善我市(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)思路(lu)。專家認(ren)為,采用(yong)分(fen)(fen)(fen)散(san)(san)式(shi)(shi)(shi)與集(ji)(ji)中(zhong)(zhong)式(shi)(shi)(shi)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)模(mo)(mo)式(shi)(shi)(shi)相互補充(chong)、污(wu)(wu)水(shui)(shui)(shui)(shui)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)由單一的(de)(de)達標處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)向(xiang)水(shui)(shui)(shui)(shui)資(zi)源綜合利用(yong)方向(xiang)轉(zhuan)變(bian)。分(fen)(fen)(fen)散(san)(san)式(shi)(shi)(shi)污(wu)(wu)水(shui)(shui)(shui)(shui)治(zhi)理(li)(li)(li)(li)(li)(li)(li)(li)模(mo)(mo)式(shi)(shi)(shi),即污(wu)(wu)水(shui)(shui)(shui)(shui)就地(di)收集(ji)(ji)、就地(di)處(chu)(chu)(chu)(chu)理(li)(li)(li)(li)(li)(li)(li)(li)和就地(di)回用(yong),無需(xu)新建(jian)排(pai)水(shui)(shui)(shui)(shui)管(guan)網(wang)(wang)和中(zhong)(zhong)水(shui)(shui)(shui)(shui)回用(yong)管(guan)網(wang)(wang),減(jian)少(shao)了投資(zi)。
因此(ci),關于建筑工(gong)地廢(fei)(fei)水(shui)處理專家(jia)建議,選擇性能(neng)(neng)穩(wen)定、品(pin)質可(ke)靠(kao)的(de)分(fen)散(san)式(shi)污(wu)(wu)水(shui)處理及回用(yong)(yong)技(ji)術,并(bing)在(zai)全市(shi)分(fen)散(san)排污(wu)(wu)點大力推廣,但是(shi)我們(men)的(de)技(ji)術力量還是(shi)不夠(gou)雄厚一些大中型城市(shi)還是(shi)沒(mei)有落(luo)實,還是(shi)達不到我們(men)接(jie)受的(de)范圍,因此(ci)我們(men)還是(shi)需要進(jin)一步研究解決大小城市(shi)的(de)污(wu)(wu)廢(fei)(fei)水(shui)分(fen)散(san)式(shi)處理,百樂克技(ji)術設(she)(she)計思想(xiang)的(de)根本(ben)目的(de)在(zai)于盡可(ke)能(neng)(neng)發揮并(bing)強(qiang)化(hua)自然(ran)界(jie)本(ben)身的(de)能(neng)(neng)量-生化(hua)反應(ying), 減少總投資和降(jiang)低(di)運行費(fei)用(yong)(yong),提高凈化(hua)效(xiao)(xiao)率. 通過精心分(fen)析和設(she)(she)計,該技(ji)術采(cai)用(yong)(yong)了高效(xiao)(xiao)率的(de)底部(bu)微(wei)孔曝氣(qi)(qi)頭,并(bing)使用(yong)(yong)移動式(shi)曝氣(qi)(qi)鏈以(yi)進(jin)一步強(qiang)化(hua)氧氣(qi)(qi)的(de)傳(chuan)送效(xiao)(xiao)率, 同時主體(ti)工(gong)藝使用(yong)(yong)非常新穎的(de)輪換階(jie)段(duan)曝氣(qi)(qi)以(yi)降(jiang)低(di)能(neng)(neng)耗,節約運行費(fei)用(yong)(yong). 當然(ran)該技(ji)術還在(zai)不斷的(de)研究和處理以(yi)得(de)到落(luo)實

使用微信“掃一掃”功能添加“谷騰環保網”