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當代城市公廁的主要特性與設計策略

  • 發布者:普森金屬

    發布日(ri)期(qi):2019-09-17
  • 公廁是一個城市文明的重要組成部分,體現著城市市政管理水平,在城市運行中發揮著重要的功能,隨著理念的推廣和深入民心,綠色節水的公廁逐漸進入了人們的眼簾,各類功能性公廁遍地開花,美觀、無臭、無蠅、潔凈公廁成為了城市的一張亮麗的風景線。

    1城市公廁的發(fa)展態勢

    公(gong)(gong)(gong)(gong)廁(ce)(ce)也(ye)(ye)叫生(sheng)態(tai)公(gong)(gong)(gong)(gong)廁(ce)(ce),與傳統公(gong)(gong)(gong)(gong)廁(ce)(ce)相(xiang)比較(jiao),較(jiao)為(wei)明(ming)顯的(de)(de)改變(bian)就是充分考慮(lv)到環境的(de)(de)因素,將公(gong)(gong)(gong)(gong)廁(ce)(ce)可(ke)能(neng)產(chan)生(sheng)臭(chou)味(wei)等(deng)污(wu)染物進行(xing)(xing)(xing)(xing)(xing)化(hua)(hua)、無臭(chou)化(hua)(hua)處(chu)理,對糞(fen)便(bian)等(deng)污(wu)染物進行(xing)(xing)(xing)(xing)(xing)凈(jing)化(hua)(hua)甚至進行(xing)(xing)(xing)(xing)(xing)良性(xing)循環利用(yong)。也(ye)(ye)就是將傳統的(de)(de)化(hua)(hua)糞(fen)池進行(xing)(xing)(xing)(xing)(xing)改造,將沼(zhao)氣(qi)發酵技(ji)術引入(ru)到現(xian)代(dai)公(gong)(gong)(gong)(gong)廁(ce)(ce)中,糞(fen)便(bian)等(deng)排污(wu)物經過的(de)(de)分 解(jie)和發酵,產(chan)生(sheng)出沼(zhao)氣(qi),對沼(zhao)氣(qi)資源進行(xing)(xing)(xing)(xing)(xing)再利用(yong),從而達(da)到糞(fen)便(bian)尿(niao)水等(deng)排污(wu)物化(hua)(hua)的(de)(de)目的(de)(de)。我(wo)國城(cheng)市(shi)(shi)(shi)公(gong)(gong)(gong)(gong)廁(ce)(ce)經歷了一(yi)個承前啟后的(de)(de)過程。解(jie)放前的(de)(de)城(cheng)市(shi)(shi)(shi)公(gong)(gong)(gong)(gong)廁(ce)(ce)一(yi)直處(chu)于少、臟、差的(de)(de)狀態(tai)。解(jie)放后,城(cheng)市(shi)(shi)(shi)公(gong)(gong)(gong)(gong)廁(ce)(ce)增多,大多使(shi)用(yong)槽溝(gou)旱式公(gong)(gong)(gong)(gong)廁(ce)(ce),一(yi)直到90年代(dai)中期,隨著(zhu)城(cheng)市(shi)(shi)(shi)現(xian)代(dai)化(hua)(hua)、   化(hua)(hua)建設進程,公(gong)(gong)(gong)(gong)廁(ce)(ce)改造相(xiang)繼被列入(ru)各個城(cheng)市(shi)(shi)(shi)發展要(yao)務之一(yi),公(gong)(gong)(gong)(gong)廁(ce)(ce)才(cai)發生(sheng)了質的(de)(de)變(bian)化(hua)(hua),各類(lei)現(xian)代(dai)技(ji)術廣泛應用(yong)到城(cheng)市(shi)(shi)(shi)公(gong)(gong)(gong)(gong)廁(ce)(ce)建設中,公(gong)(gong)(gong)(gong)廁(ce)(ce)的(de)(de)整體形象發生(sheng)革命(ming)性(xing)的(de)(de)改觀。利用(yong)電子分 解(jie)技(ji)術去除(chu)公(gong)(gong)(gong)(gong)廁(ce)(ce)異味(wei),利用(yong)射線等(deng)技(ji)術也(ye)(ye)不斷獲得突破。

    2城市公廁的(de)主(zhu)要類型

    從我(wo)國沿海經濟發達城市來看(kan),當前的城市公(gong)廁(ce)基本上都(dou)是采用了生物凈化、理化凈化、污(wu)物收集和污(wu)水(shui)凈化循環(huan)等工(gong)藝,主要(yao)分為四(si)大類別,即(ji):太陽能熱源輔助(zhu)廁(ce)所(suo)、負壓節(jie)水(shui)無(wu)水(shui)廁(ce)所(suo)、循環(huan)水(shui)公(gong)廁(ce)和泡沫封堵型公(gong)廁(ce)。

    (1)太(tai)(tai)陽(yang)能(neng)(neng)(neng)熱源輔(fu)助公(gong)(gong)廁(ce)。太(tai)(tai)陽(yang)能(neng)(neng)(neng)的(de)(de)(de)(de)利用(yong)越來越引(yin)起了人們的(de)(de)(de)(de)重(zhong)視(shi),各(ge)行各(ge)業都在太(tai)(tai)陽(yang)能(neng)(neng)(neng)應(ying)用(yong)上各(ge)顯神(shen)通(tong),太(tai)(tai)陽(yang)能(neng)(neng)(neng)源源不(bu)(bu)(bu)絕的(de)(de)(de)(de)清潔能(neng)(neng)(neng)源能(neng)(neng)(neng)為(wei)公(gong)(gong)廁(ce)提供能(neng)(neng)(neng)量(liang)來源。從俄羅斯(si)等(deng)北半(ban)球發達   觀(guan)察,太(tai)(tai)陽(yang)能(neng)(neng)(neng)公(gong)(gong)廁(ce)已經成為(wei)了公(gong)(gong)廁(ce)的(de)(de)(de)(de)標準化(hua)設(she)立理念,這(zhe)種公(gong)(gong)廁(ce)就是(shi)利用(yong)收集(ji)(ji)和(he)儲(chu)存(cun)太(tai)(tai)陽(yang)能(neng)(neng)(neng),通(tong)過布置(zhi)相應(ying)的(de)(de)(de)(de)收集(ji)(ji)太(tai)(tai)陽(yang)能(neng)(neng)(neng)和(he)存(cun)儲(chu)太(tai)(tai)陽(yang)相關裝(zhuang)置(zhi),配合(he)公(gong)(gong)廁(ce)建筑材料的(de)(de)(de)(de)吸能(neng)(neng)(neng)和(he)儲(chu)能(neng)(neng)(neng)特性,通(tong)過自然熱傳(chuan)遞的(de)(de)(de)(de)方式,在寒(han)冷的(de)(de)(de)(de)冬(dong)季中將取(qu)之不(bu)(bu)(bu)盡的(de)(de)(de)(de)太(tai)(tai)陽(yang)能(neng)(neng)(neng)“關”進(jin)公(gong)(gong)廁(ce),使得冬(dong)季的(de)(de)(de)(de)公(gong)(gong)廁(ce)仍(reng)然讓人感覺(jue)溫(wen)暖(nuan)舒(shu)適,這(zhe)對于采暖(nuan)條件不(bu)(bu)(bu)太(tai)(tai)好的(de)(de)(de)(de)城市而言,是(shi)具有推廣價值;在夏季又能(neng)(neng)(neng)進(jin)行熱交換設(she)計,降(jiang)低公(gong)(gong)廁(ce)室內溫(wen)度(du)。太(tai)(tai)陽(yang)能(neng)(neng)(neng)既作(zuo)為(wei)輔(fu)助熱源,而且(qie)這(zhe)種溫(wen)暖(nuan)的(de)(de)(de)(de)溫(wen)度(du),也(ye)是(shi)的(de)(de)(de)(de)公(gong)(gong)廁(ce)的(de)(de)(de)(de)墻(qiang)體和(he)管道結構   加穩定,不(bu)(bu)(bu)依(yi)發生凍裂(lie)等(deng)事(shi)故,與傳(chuan)統(tong)公(gong)(gong)廁(ce)相比較(jiao),節(jie)約了能(neng)(neng)(neng)源。

    (2)負壓(ya)(ya)節水(shui)(shui)無(wu)水(shui)(shui)公(gong)(gong)廁(ce)(ce)。公(gong)(gong)廁(ce)(ce)需(xu)要大量的水(shui)(shui)沖污(wu)已(yi)是(shi)個慣例,但隨著水(shui)(shui)資源的日(ri)益缺乏和價(jia)值凸顯(xian),節水(shui)(shui)成為了公(gong)(gong)廁(ce)(ce)的一(yi)個發展方(fang)向,因此(ci)各類負壓(ya)(ya)節水(shui)(shui)甚(shen)至無(wu)水(shui)(shui)公(gong)(gong)廁(ce)(ce)也浮出水(shui)(shui)面(mian)。負壓(ya)(ya)就是(shi)利(li)用真(zhen)空(kong)技術,在蹲坑(keng)下(xia)口(kou)設(she)立(li)真(zhen)空(kong)吸納(na)系統,將(jiang)特的吸水(shui)(shui)裝(zhuang)(zhuang)置的潔具(ju)、納(na)污(wu)收集(ji)槽(cao)(cao)、真(zhen)空(kong)循環(huan)泵、P1D智能(neng)電(dian)子(zi)控制器通(tong)過密封管道連接成一(yi)體,在真(zhen)空(kong)泵的作用下(xia),使得污(wu)物(wu)收集(ji)管線(xian)內(nei)產(chan)生(sheng)60pa以(yi)上的的負壓(ya)(ya),將(jiang)糞(fen)(fen)(fen)便(bian)尿(niao)水(shui)(shui)等排污(wu)物(wu)吸入(ru)納(na)污(wu)槽(cao)(cao),再利(li)用污(wu)物(wu)抽(chou)取裝(zhuang)(zhuang)置,將(jiang)污(wu)物(wu)及時送到沼(zhao)氣(qi)池中(zhong)。也就是(shi)以(yi)空(kong)氣(qi)替(ti)代水(shui)(shui)來達(da)到沖洗(xi)目的,在真(zhen)空(kong)下(xia)負壓(ya)(ya)下(xia),常規氣(qi)壓(ya)(ya)下(xia)的氣(qi)體被高速(su)推(tui)入(ru)真(zhen)空(kong)納(na)污(wu)槽(cao)(cao),可以(yi)用   少的水(shui)(shui)就能(neng)沖洗(xi)干(gan)凈,不僅能(neng)及時將(jiang)糞(fen)(fen)(fen)便(bian)尿(niao)水(shui)(shui)“沖洗(xi)干(gan)凈”,而且由于其(qi)空(kong)氣(qi)的流轉方(fang)式(shi)   ,臭(chou)氣(qi)也一(yi)并(bing)納(na)入(ru)其(qi)中(zhong),就較(jiao)大限度避免傳統公(gong)(gong)廁(ce)(ce)難(nan)以(yi)的臭(chou)氣(qi)。至于無(wu)水(shui)(shui)型污(wu)物(wu)收集(ji)裝(zhuang)(zhuang)置,也就是(shi)利(li)用打包(bao)機械裝(zhuang)(zhuang)置及時將(jiang)糞(fen)(fen)(fen)便(bian)和尿(niao)水(shui)(shui)進(jin)(jin)行(xing)打包(bao),打包(bao)用的塑料(liao)膜為生(sheng)物(wu)可降解膜,將(jiang)打包(bao)后的儲(chu)物(wu)袋放入(ru)儲(chu)物(wu)箱,再裝(zhuang)(zhuang)運到化糞(fen)(fen)(fen)便(bian)處(chu)理   進(jin)(jin)行(xing)處(chu)理,這種公(gong)(gong)廁(ce)(ce)往往適合(he)于流動廁(ce)(ce)所,達(da)到對(dui)環(huan)境沒有污(wu)染。

    (3)循(xun)環(huan)水(shui)(shui)公(gong)廁(ce)。所謂(wei)循(xun)環(huan)水(shui)(shui)就(jiu)是(shi)將廁(ce)所污水(shui)(shui)進(jin)(jin)行(xing)(xing)(xing)在循(xun)環(huan)利用(yong)。從西歐等國(guo)的(de)經驗(yan)來(lai)看,通常分(fen)做兩種(zhong)(zhong),一種(zhong)(zhong)是(shi)尿(niao)(niao)液(ye)處(chu)理(li)(li),另(ling)一種(zhong)(zhong)是(shi)糞(fen)(fen)尿(niao)(niao)混合(he)物處(chu)理(li)(li)。前者就(jiu)是(shi)將公(gong)廁(ce)中(zhong)的(de)尿(niao)(niao)液(ye)進(jin)(jin)行(xing)(xing)(xing)單獨收集,通過(guo)加(jia)入   的(de)化(hua)(hua)學除臭(chou)藥,去除尿(niao)(niao)液(ye)的(de)氣(qi)味,再通過(guo)微生(sheng)物分(fen) 解裝置,將尿(niao)(niao)液(ye)中(zhong)的(de)氨(an)氮、尿(niao)(niao)酸等主要(yao)污物進(jin)(jin)行(xing)(xing)(xing)脫(tuo)除,將處(chu)理(li)(li)后的(de)水(shui)(shui)進(jin)(jin)行(xing)(xing)(xing)循(xun)環(huan)利用(yong)沖洗廁(ce)所。后者就(jiu)是(shi)利用(yong)一種(zhong)(zhong)糞(fen)(fen)尿(niao)(niao)分(fen)離設備,對(dui)(dui)糞(fen)(fen)尿(niao)(niao)混合(he)體進(jin)(jin)行(xing)(xing)(xing)分(fen)離,糞(fen)(fen)便進(jin)(jin)行(xing)(xing)(xing)脫(tuo)水(shui)(shui)干(gan)燥,尿(niao)(niao)水(shui)(shui)進(jin)(jin)行(xing)(xing)(xing)微生(sheng)物和(he)(he)化(hua)(hua)學處(chu)理(li)(li)法處(chu)理(li)(li),就(jiu)是(shi)利用(yong)環(huan)境(jing)工程技(ji)術,利用(yong)微生(sheng)物對(dui)(dui)氨(an)氮物等分(fen) 解特(te)性,配合(he)相對(dui)(dui)應(ying)的(de)理(li)(li)化(hua)(hua)處(chu)理(li)(li)技(ji)術,對(dui)(dui)尿(niao)(niao)水(shui)(shui)的(de)污染(ran)物進(jin)(jin)行(xing)(xing)(xing)化(hua)(hua)處(chu)理(li)(li),轉(zhuan)化(hua)(hua)為(wei)二(er)氧(yang)化(hua)(hua)碳(tan)和(he)(he)水(shui)(shui),再通過(guo)高分(fen)子過(guo)濾裝置,將上(shang)程中(zhong)生(sheng)存下來(lai)的(de)微小糞(fen)(fen)便進(jin)(jin)行(xing)(xing)(xing)再隔離,過(guo)濾后的(de)水(shui)(shui)進(jin)(jin)行(xing)(xing)(xing)氧(yang)化(hua)(hua)、脫(tuo)色、和(he)(he)吸附,再循(xun)環(huan)利用(yong)。

    (4)泡(pao)沫封堵(du)型公廁。

    泡(pao)(pao)(pao)沫(mo)封(feng)堵型(xing)從嚴格意義(yi)上來(lai)講(jiang),也是(shi)(shi)一種節(jie)水(shui)型(xing)的(de)(de)(de)(de)(de)公廁,其(qi)(qi)主要區別就(jiu)是(shi)(shi)在(zai)沖洗用的(de)(de)(de)(de)(de)水(shui)上做(zuo)技(ji)術處理(li),也就(jiu)是(shi)(shi)將沖洗廁所用的(de)(de)(de)(de)(de)干(gan)凈(jing)的(de)(de)(de)(de)(de)自來(lai)水(shui)經(jing)過電腦控制(zhi)系統(tong)將發泡(pao)(pao)(pao)劑(ji)和水(shui)按設(she)定比例混合形(xing)成發泡(pao)(pao)(pao)的(de)(de)(de)(de)(de)混合液進行發泡(pao)(pao)(pao)操作(zuo),發泡(pao)(pao)(pao)的(de)(de)(de)(de)(de)主要目的(de)(de)(de)(de)(de)在(zai)于(yu)增大(da)沖洗水(shui)的(de)(de)(de)(de)(de)體(ti)積,體(ti)積往(wang)往(wang)能(neng)達到(dao)(dao)(dao)上千倍(bei),通(tong)過提高(gao)潤(run)滑(hua)性,將糞(fen)便和尿水(shui)包圍(wei)通(tong)過重(zhong)力作(zuo)用在(zai)滑(hua)下水(shui)管中(zhong)(zhong)集(ji)中(zhong)(zhong)在(zai)生化污(wu)(wu)物(wu)(wu)處理(li)池(chi)中(zhong)(zhong)集(ji)中(zhong)(zhong)“殲滅(mie)”,污(wu)(wu)物(wu)(wu)也不會粘(zhan)廁壁,其(qi)(qi)自重(zhong)使其(qi)(qi)滑(hua)落到(dao)(dao)(dao)排(pai)污(wu)(wu)管網或收集(ji)箱中(zhong)(zhong)。一般(ban)來(lai)說,常規的(de)(de)(de)(de)(de)沖水(shui)型(xing)公廁的(de)(de)(de)(de)(de)用水(shui)量為每次(ci)10L,而應用泡(pao)(pao)(pao)沫(mo)封(feng)堵型(xing)則能(neng)減(jian)少60%,大(da)概每次(ci)用水(shui)量為3-4L節(jie)水(shui)效(xiao)果比較理(li)想。同時,用泡(pao)(pao)(pao)沫(mo)封(feng)堵便器的(de)(de)(de)(de)(de)排(pai)污(wu)(wu)口,從而阻(zu)止(zhi)不良氣(qi)味向廁間內(nei)的(de)(de)(de)(de)(de)擴散,并且(qie)從視覺上看(kan)到(dao)(dao)(dao)的(de)(de)(de)(de)(de)是(shi)(shi)白色的(de)(de)(de)(de)(de)泡(pao)(pao)(pao)沫(mo),不會看(kan)到(dao)(dao)(dao)令人生厭(yan)的(de)(de)(de)(de)(de)污(wu)(wu)物(wu)(wu)。


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