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聚(ju)焦(jiao)污水處理低碳化(hua),國(guo)內污水處理廠又應何去何從(cong)? |
發(fa)表時(shi)間(jian):2021-09-24 14:35:49 作者(zhe):admin |
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近日,北(bei)控水務(wu)集團運營管理(li)(li)中(zhong)心污(wu)水管理(li)(li)部魏(wei)彬針對“碳中(zhong)和(he)趨(qu)勢下污(wu)水處理(li)(li)節(jie)能(neng)降耗(hao)技術需求解(jie)讀”這一主題發(fa)表演講。他(ta)為大家詳(xiang)細闡(chan)述了(le)在“碳達峰(feng)、碳中(zhong)和(he)”的大環境(jing)背景(jing)下,污(wu)水處理(li)(li)節(jie)能(neng)降耗(hao)技術需求、典型節(jie)能(neng)降耗(hao)與資源回收技術等污(wu)水處理(li)(li)領域的熱門(men)話題。 與此同時,業內人士也認為,污(wu)(wu)水(shui)處理(li)行業對國(guo)內污(wu)(wu)水(shui)處理(li)企業提出(chu)了更高的要(yao)求和(he)標準,污(wu)(wu)水(shui)處理(li)節能(neng)降(jiang)耗、污(wu)(wu)水(shui)處理(li)低碳(tan)化(hua)將成為污(wu)(wu)水(shui)處理(li)行業關注的焦點。污(wu)(wu)水(shui)處理(li)如(ru)何才能(neng)實現(xian)低碳(tan)化(hua),國(guo)內污(wu)(wu)水(shui)處理(li)廠(chang)在污(wu)(wu)水(shui)處理(li)低碳(tan)化(hua)之(zhi)路上又該何去何從? 一、解決(jue)國內污水處(chu)理廠面臨的技(ji)術難題 在污(wu)(wu)水處(chu)理過(guo)程中(zhong),國內(nei)一(yi)些污(wu)(wu)水廠通(tong)(tong)過(guo)使用(yong)脫氮除磷新(xin)工藝或新(xin)裝備,實現(xian)了快速脫氮脫磷,并將分化出的(de)碳源(yuan)進行厭氧消(xiao)化或產生能(neng)量(liang);通(tong)(tong)過(guo)集(ji)成應用(yong)節能(neng)降耗(hao)新(xin)裝備,有(you)效解(jie)決了生活污(wu)(wu)水及工業廢水水中(zhong)碳源(yuan)消(xiao)耗(hao)過(guo)大,導致碳源(yuan)不(bu)足的(de)問題;通(tong)(tong)過(guo)采用(yong)污(wu)(wu)水、污(wu)(wu)泥資源(yuan)回收(shou)利(li)用(yong)解(jie)決方案(an),實現(xian)污(wu)(wu)水中(zhong)的(de)氮磷及污(wu)(wu)泥中(zhong)的(de)重金屬(shu)等資源(yuan)的(de)回收(shou)再利(li)用(yong)。 攻克技術難題是(shi)國內污水(shui)處(chu)(chu)(chu)理(li)廠需(xu)要共同完成(cheng)的使命。以中(zhong)持股份為例,在(zai)污水(shui)處(chu)(chu)(chu)理(li)過(guo)程中(zhong),中(zhong)持股份睢縣第三污水(shui)處(chu)(chu)(chu)理(li)廠發明了高溫干式厭氧發酵技術,實現技術突(tu)破,順利解決了污泥處(chu)(chu)(chu)理(li)處(chu)(chu)(chu)置過(guo)程中(zhong)遇到(dao)的技術瓶(ping)頸。 二、大力(li)推廣(guang)污(wu)水處(chu)理低碳化技術產品(pin) 在(zai)“雙碳(tan)”戰略目標下(xia),污水(shui)(shui)(shui)處(chu)理(li)(li)(li)低(di)(di)(di)碳(tan)化(hua)已經成為必然趨勢(shi),然而低(di)(di)(di)碳(tan)化(hua)技(ji)術產(chan)品(pin)在(zai)污水(shui)(shui)(shui)處(chu)理(li)(li)(li)行業(ye)中的(de)(de)(de)廣(guang)泛使用,能夠助力污水(shui)(shui)(shui)處(chu)理(li)(li)(li)行業(ye)實現(xian)綠色、低(di)(di)(di)碳(tan)發展。在(zai)國內污水(shui)(shui)(shui)處(chu)理(li)(li)(li)廠,污水(shui)(shui)(shui)處(chu)理(li)(li)(li)低(di)(di)(di)碳(tan)化(hua)技(ji)術產(chan)品(pin)主要包含核心技(ji)術及成套裝備的(de)(de)(de)工藝包,是(shi)以減(jian)少污水(shui)(shui)(shui)處(chu)理(li)(li)(li)中的(de)(de)(de)碳(tan)排放(fang)量(liang)為目標,通過將(jiang)污水(shui)(shui)(shui)處(chu)理(li)(li)(li)過程中的(de)(de)(de)相(xiang)(xiang)關(guan)產(chan)品(pin)、相(xiang)(xiang)關(guan)技(ji)術、相(xiang)(xiang)關(guan)服務等(deng)匯聚成具備低(di)(di)(di)碳(tan)功能的(de)(de)(de)完(wan)整體系,實現(xian)污水(shui)(shui)(shui)處(chu)理(li)(li)(li)低(di)(di)(di)碳(tan)化(hua)技(ji)術產(chan)品(pin)化(hua)、污水(shui)(shui)(shui)處(chu)理(li)(li)(li)低(di)(di)(di)碳(tan)化(hua)產(chan)品(pin)商品(pin)化(hua)、污水(shui)(shui)(shui)處(chu)理(li)(li)(li)低(di)(di)(di)碳(tan)化(hua)技(ji)術裝備化(hua)等(deng)技(ji)術型產(chan)品(pin)。 當前,國內污水處(chu)理(li)(li)廠(chang)在污水處(chu)理(li)(li)過程中(zhong)使(shi)用的(de)低碳化(hua)技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品主要包(bao)括(kuo)節能降耗技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品和能源(yuan)(yuan)回收(shou)技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品。其中(zhong),節能降耗技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品分(fen)為(wei)(wei)鼓風(feng)曝氣、混合(he)攪拌等(deng)運行技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品;碳源(yuan)(yuan)、消毒劑等(deng)精確控制(zhi)技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品;有機物去除(chu)、脫氮、除(chu)磷等(deng)低碳排放新工藝。能源(yuan)(yuan)回收(shou)技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品分(fen)為(wei)(wei)剩(sheng)余(yu)污泥資源(yuan)(yuan)化(hua)能源(yuan)(yuan)化(hua)關(guan)鍵(jian)技(ji)(ji)(ji)術(shu)及裝備、污水處(chu)理(li)(li)系統(tong)非傳統(tong)能源(yuan)(yuan)等(deng)相(xiang)關(guan)開發利用關(guan)鍵(jian)技(ji)(ji)(ji)術(shu)及裝備,包(bao)括(kuo)污水源(yuan)(yuan)熱泵、微生(sheng)物燃料、污水管網收(shou)集(ji)系統(tong)、優化(hua)污水廠(chang)沉砂工藝等(deng)相(xiang)關(guan)技(ji)(ji)(ji)術(shu)產(chan)(chan)(chan)(chan)品。 三、實現能源自(zi)足,發展循環經濟(ji),開(kai)啟綠色低碳模式 國內污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)廠在(zai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)過(guo)程中(zhong)(zhong)首要面(mian)臨的就是能(neng)耗(hao)問題。通過(guo)采用(yong)(yong)沼氣(qi)熱聯及清潔(jie)能(neng)源(yuan)(yuan),又創新大規模回收(shou)(shou)(shou)(shou)能(neng)量(liang)、熱量(liang)等(deng)熱耗(hao)收(shou)(shou)(shou)(shou)集工藝(yi),實(shi)現污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)能(neng)耗(hao)的自(zi)給自(zi)足。同(tong)時(shi),發(fa)展循(xun)(xun)環經(jing)濟,實(shi)現資源(yuan)(yuan)的循(xun)(xun)環再(zai)利用(yong)(yong)已經(jing)成為(wei)當前污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)低碳(tan)化(hua)(hua)的有效途徑(jing)之(zhi)一。在(zai)污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)過(guo)程中(zhong)(zhong),污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)中(zhong)(zhong)的氨氮通過(guo)曝氣(qi)硝化(hua)(hua)轉(zhuan)化(hua)(hua)為(wei)硝酸鹽,并通過(guo)反硝化(hua)(hua)作用(yong)(yong)產生氮氣(qi),實(shi)現了氨氮的回收(shou)(shou)(shou)(shou)在(zai)利用(yong)(yong);使用(yong)(yong)深度水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)技(ji)術回收(shou)(shou)(shou)(shou)金(jin)屬電鍍廢(fei)水(shui)(shui)(shui)(shui)中(zhong)(zhong)的銅(tong)、鋅、鎳等(deng)物(wu)質等(deng)。伴隨著(zhu)碳(tan)捕獲(huo)(CCUS)等(deng)技(ji)術的廣(guang)泛應用(yong)(yong),污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)資源(yuan)(yuan)化(hua)(hua)再(zai)利用(yong)(yong)水(shui)(shui)(shui)(shui)平不斷(duan)提升,污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)低碳(tan)化(hua)(hua)之(zhi)路也將越(yue)走越(yue)遠。與此同(tong)時(shi),以“互聯網+”為(wei)核心的智慧(hui)水(shui)(shui)(shui)(shui)務(wu)開始(shi)被(bei)廣(guang)泛應用(yong)(yong)于污(wu)(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)低碳(tan)化(hua)(hua)方面(mian)。 近年來,國內污(wu)(wu)水(shui)處(chu)理廠通過大數據、AI人工智(zhi)(zhi)能(neng)、物(wu)聯網等(deng)技(ji)術(shu)對現有(you)運(yun)行(xing)系統進(jin)行(xing)技(ji)術(shu)改造,實現了智(zhi)(zhi)慧水(shui)務。智(zhi)(zhi)能(neng)化管控(kong)模式將不斷強化設(she)備運(yun)行(xing)能(neng)效,監(jian)測和控(kong)制排放能(neng)耗及污(wu)(wu)水(shui)碳排放量(liang)。在智(zhi)(zhi)慧水(shui)務應用方面(mian),北控(kong)水(shui)務通過自己(ji)掌握的智(zhi)(zhi)慧化污(wu)(wu)水(shui)處(chu)理技(ji)術(shu)和經驗,解(jie)決了污(wu)(wu)水(shui)處(chu)理過程中遇到的諸(zhu)多技(ji)術(shu)難題。 比如,北控水(shui)(shui)務(wu)通(tong)過采用光伏能(neng)(neng)源(yuan),搭建智慧運營平臺等(deng)科技手(shou)段,踐(jian)行城(cheng)鎮生活(huo)(huo)污水(shui)(shui)處(chu)(chu)理(li)(li)廠低(di)碳(tan)理(li)(li)念,開啟污水(shui)(shui)處(chu)(chu)理(li)(li)低(di)碳(tan)模式。以(yi)北控水(shui)(shui)務(wu)洛陽市瀍東污水(shui)(shui)處(chu)(chu)理(li)(li)廠為例,該廠成功入選了首批(pi)城(cheng)鎮污水(shui)(shui)處(chu)(chu)理(li)(li)低(di)碳(tan)運行案例,也是北控水(shui)(shui)務(wu)低(di)碳(tan)處(chu)(chu)理(li)(li)模式的經典驗證,在“水(shui)(shui)質(zhi)永續、資(zi)源(yuan)循環(huan)、環(huan)境友好、能(neng)(neng)源(yuan)利用、低(di)碳(tan)運行”等(deng)方(fang)面(mian)表現突(tu)出(chu),尤其(qi)在工藝方(fang)面(mian),具有超高節(jie)能(neng)(neng)、運行靈活(huo)(huo)、除磷脫氮效果明顯等(deng)優勢,出(chu)廠水(shui)(shui)質(zhi)能(neng)(neng)夠達(da)到國家一級A排放標準;在能(neng)(neng)耗管控方(fang)面(mian),該廠以(yi)光伏發電實現能(neng)(neng)源(yuan)自足,在節(jie)能(neng)(neng)降耗,碳(tan)減排方(fang)面(mian)成果顯著。
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