一、雨水收集系統是什么意思
雨水收集系統,是將雨水根據需求進行收集后,并經過對收集的雨水進行處理后達到符合設計使用標準的系統。現今多數由棄流過濾系統(tong)、蓄水系統(tong)、凈化系統(tong)組(zu)成(cheng)。
雨水收集系統可(ke)分五大環節,即通過(guo)(guo)雨(yu)水(shui)(shui)(shui)收(shou)集管道(dao)收(shou)集雨(yu)水(shui)(shui)(shui)-棄流截(jie)污(wu)-PP雨(yu)水(shui)(shui)(shui)收(shou)集池儲存(cun)雨(yu)水(shui)(shui)(shui)-過(guo)(guo)濾消毒(du)-凈化回用(yong)(yong),收(shou)集到的(de)雨(yu)水(shui)(shui)(shui)用(yong)(yong)于(yu)澆溉(gai)農作物(wu)、補充(chong)(chong)地(di)下水(shui)(shui)(shui)、還可(ke)用(yong)(yong)于(yu)景(jing)觀環境、綠化、洗(xi)車場用(yong)(yong)水(shui)(shui)(shui)、道(dao)路沖洗(xi)冷(leng)卻水(shui)(shui)(shui)補充(chong)(chong)、沖廁等非生活用(yong)(yong)水(shui)(shui)(shui)用(yong)(yong)途。可(ke)以(yi)節約水(shui)(shui)(shui)資源(yuan),大大緩解(jie)我國的(de)缺水(shui)(shui)(shui)問題。
雨水收集(ji)系統根據雨水來源不同,可粗(cu)略分為(wei)兩(liang)類。
1、屋(wu)頂(ding)雨(yu)水(shui)。屋(wu)頂(ding)雨(yu)水(shui)相對(dui)干凈,雜質、泥沙及其他污染物少,可通過棄流(liu)和簡單過濾后,直接排入蓄水(shui)系統,進行處理(li)后使用(yong)。
2、地(di)面(mian)雨水(shui)。地(di)面(mian)的雨水(shui)雜(za)質多(duo),污染物源復雜(za)。在棄流和粗略(lve)過濾后,還必須進行(xing)沉淀(dian)才(cai)能排入(ru)蓄(xu)水(shui)系統。
二、雨水收集系統的組成部分
雨水收集系統共分成(cheng)6大(da)類別,能夠合(he)理搜(sou)集雨水的預備(bei)處理、儲存、清潔、系(xi)(xi)統操縱和(he)回(hui)收(shou)利用,完成(cheng)多種徑流量(liang)雨水操縱目(mu)地(di),助推修(xiu)復大(da)城(cheng)市良好水循環系(xi)(xi)統。
1、雨水吸收系統
依(yi)據(ju)雨(yu)水自(zi)身重力流入的基本(ben)原理,當(dang)雨(yu)水流過房頂排水管(guan)道(dao),地(di)面吸(xi)(xi)收(shou)(shou)渠,透水地(di)坪等吸(xi)(xi)收(shou)(shou)系統時,根據(ju)景觀規劃合理布局,促進(jin)土(tu)層雨(yu)水的迅速匯(hui)聚與(yu)吸(xi)(xi)收(shou)(shou)。
2、雨水預處理系統
為(wei)了達到雨(yu)水(shui)(shui)(shui)回收利用的(de)水(shui)(shui)(shui)質規定,當雨(yu)水(shui)(shui)(shui)流過吸(xi)收管道網歸納后,將在初期(qi)雨(yu)水(shui)(shui)(shui)過濾系統中對環境有污染的(de)一(yi)部(bu)分(fen)使用棄流方式,從(cong)而雨(yu)水(shui)(shui)(shui)中包含較多的(de)土層(ceng)廢棄物也將會(hui)被消(xiao)除。
3、雨水儲蓄系統
在(zai)歷(li)經初期(qi)雨水(shui)的棄流(liu)和粗過(guo)濾后,通過(guo)儲(chu)蓄(xu)系統(tong)將過(guo)濾好的雨水(shui)儲(chu)存(cun)起來,將其中(zhong)一部分雨水(shui)作(zuo)為“補(bu)充水(shui)分來儲(chu)存(cun)”,可以用來填(tian)補(bu)地(di)表水(shui)分,如儲(chu)存(cun)系要到最大蓄(xu)水(shui)量(liang)時,雨水(shui)則(ze)會根據溢流(liu)口(kou)將不(bu)必要的雨水(shui)排放到園林市(shi)政工程等綜合性管道網中(zhong),而剩下(xia)雨水(shui)將做為“不(bu)漏(lou)儲(chu)存(cun)”來提前準備(bei)回(hui)用。
4、雨水凈化系統
為凈化(hua)雨(yu)(yu)水中帶(dai)有的細微殘渣,危害病菌,當雨(yu)(yu)水根據離心水泵抵達清潔(jie)系(xi)統時(shi),雨(yu)(yu)水會(hui)開展精(jing)過(guo)濾和(he)除菌操作,從而進一步提高雨(yu)(yu)水的質量;清潔(jie)后的雨(yu)(yu)水將會(hui)流到(dao)收(shou)集池,池中設(she)立(li)液位顯示(shi)器,用于(yu)地表水位的實時(shi)監(jian)控。
5、雨水控制系統
控制操(cao)縱系統會根據數據信號(hao)基準(zhun)點傳出命(ming)令,使(shi)各(ge)系統操(cao)縱一(yi)部分(fen)產生一(yi)個總體(ti),選用手動式全自動緊密(mi)結合的方法,提高(gao)可操(cao)作性(xing)和協調(diao)能力(li)。
6、污水處理回用系統
污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)處理(li)回(hui)用(yong)(yong)(yong)系(xi)(xi)統(tong)由(you)污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)處理(li)系(xi)(xi)統(tong)和回(hui)收利(li)用(yong)(yong)(yong)系(xi)(xi)統(tong)2個(ge)部分構(gou)成。雨水(shui)(shui)(shui)(shui)(shui)(shui)(shui)儲蓄(xu)系(xi)(xi)統(tong)歷經(jing)長期的侵泡(pao),蓄(xu)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)模(mo)塊表層會粘附(fu)很多(duo)的污漬,此時可利(li)用(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)的沖壓沖擊力開展內(nei)部清(qing)(qing)理(li),并將廢水(shui)(shui)(shui)(shui)(shui)(shui)(shui)根(gen)據污水(shui)(shui)(shui)(shui)(shui)(shui)(shui)泵排入園林市政(zheng)工程管網(wang);為考慮使用(yong)(yong)(yong)人的多(duo)元化(hua)(hua)(hua)要求(qiu),依據雨水(shui)(shui)(shui)(shui)(shui)(shui)(shui)的儲蓄(xu)量,個(ge)性化(hua)(hua)(hua)針(zhen)對性的設計(ji)雨水(shui)(shui)(shui)(shui)(shui)(shui)(shui)回(hui)收系(xi)(xi)統(tong)方案(an),以控制操縱系(xi)(xi)統(tong)的數據信號(hao)命(ming)令為準,利(li)用(yong)(yong)(yong)離心水(shui)(shui)(shui)(shui)(shui)(shui)(shui)泵將清(qing)(qing)潔后的雨水(shui)(shui)(shui)(shui)(shui)(shui)(shui)送至(zhi)各水(shui)(shui)(shui)(shui)(shui)(shui)(shui)點,如道路兩旁綠化(hua)(hua)(hua)用(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui),園林景觀用(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui),消防用(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui),地下室自(zi)動(dong)洗車等場景。