生活污水处理设备在设计时要基于生活污水的特点
生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)理(li)(li)设(she)备在(zai)设(she)计时(shi)(shi)(shi)要(yao)(yao)基于(yu)生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)(de)特点(dian)
生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)是居民日常(chang)生(sheng)(sheng)活(huo)(huo)(huo)中(zhong)排出的(de)(de)(de)(de)(de)(de)废水(shui)(shui)(shui)(shui)(shui),主(zhu)要(yao)(yao)来(lai)源于(yu)居住建筑(zhu)和公共建筑(zhu),如(ru)住宅、机(ji)关、学(xue)校、医(yi)院、商店、公共场(chang)所及(ji)工(gong)(gong)业企业卫生(sheng)(sheng)间(jian)等。生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)所含的(de)(de)(de)(de)(de)(de)污(wu)(wu)(wu)(wu)(wu)染(ran)物(wu)(wu)主(zhu)要(yao)(yao)是有机(ji)物(wu)(wu)(如(ru)蛋(dan)白质、碳水(shui)(shui)(shui)(shui)(shui)化(hua)合物(wu)(wu)、脂肪、尿(niao)素、氨氮等)和大(da)量病原微生(sheng)(sheng)物(wu)(wu)(如(ru)寄生(sheng)(sheng)虫卵和肠道传染(ran)病毒等),如(ru)果(guo)随意排放(fang)(fang),水(shui)(shui)(shui)(shui)(shui)中(zhong)的(de)(de)(de)(de)(de)(de)污(wu)(wu)(wu)(wu)(wu)染(ran)物(wu)(wu)进入(ru)空气(qi)、土(tu)壤、水(shui)(shui)(shui)(shui)(shui)体等环境,会(hui)对我们的(de)(de)(de)(de)(de)(de)生(sheng)(sheng)产和生(sheng)(sheng)活(huo)(huo)(huo)造成(cheng)(cheng)相当(dang)不(bu)利(li)的(de)(de)(de)(de)(de)(de)影响。因此,生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)都需要(yao)(yao)经(jing)过(guo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)理(li)(li)设(she)备的(de)(de)(de)(de)(de)(de)处(chu)理(li)(li),污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)中(zhong)的(de)(de)(de)(de)(de)(de)大(da)量污(wu)(wu)(wu)(wu)(wu)染(ran)物(wu)(wu)都被清理(li)(li)了,这样(yang)的(de)(de)(de)(de)(de)(de)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)才能安全排放(fang)(fang),不(bu)会(hui)对环境造成(cheng)(cheng)污(wu)(wu)(wu)(wu)(wu)染(ran)。
基于(yu)生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)(de)(de)(de)特点(dian),生(sheng)(sheng)活(huo)(huo)(huo)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)理(li)(li)设(she)备在(zai)设(she)计时(shi)(shi)(shi)必须遵以(yi)下原则(ze)(ze):
1、厌氧(yang)水(shui)(shui)(shui)(shui)(shui)解池(chi)(chi)采用(yong)(yong)上升(sheng)流(liu)(liu)式(shi)厌氧(yang)污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)床(chuang)反(fan)应器(qi)的(de)(de)(de)(de)(de)(de)形(xing)式(shi),设(she)计水(shui)(shui)(shui)(shui)(shui)力停留(liu)时(shi)(shi)(shi)间(jian)为2~4小时(shi)(shi)(shi)。厌氧(yang)池(chi)(chi)下部为污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)床(chuang)区(qu),污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)床(chuang)厚度通常(chang)控制在(zai)1~1.2M之(zhi)间(jian),进水(shui)(shui)(shui)(shui)(shui)系统(tong)可(ke)采用(yong)(yong)脉冲(chong)进水(shui)(shui)(shui)(shui)(shui)中(zhong)阻力布(bu)水(shui)(shui)(shui)(shui)(shui)系统(tong),底部设(she)布(bu)水(shui)(shui)(shui)(shui)(shui)沟(gou),保留(liu)污(wu)(wu)(wu)(wu)(wu)
2、泥(ni)(ni)不(bu)沉积(ji)底部,呈悬(xuan)(xuan)浮(fu)状态。污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)床(chuang)平均浓度为30~35g/l,则(ze)(ze)污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)负荷(he)为0.35~0.30kgCODcr/kg(ss).d。
3、生(sheng)(sheng)物(wu)(wu)接(jie)触氧(yang)化(hua)工(gong)(gong)艺是介于(yu)活(huo)(huo)(huo)性(xing)污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)法(fa)与生(sheng)(sheng)物(wu)(wu)膜法(fa)之(zhi)间(jian)的(de)(de)(de)(de)(de)(de)一(yi)(yi)种(zhong)污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)理(li)(li)工(gong)(gong)艺。池(chi)(chi)内(nei)设(she)有填料,微生(sheng)(sheng)物(wu)(wu)一(yi)(yi)部分以(yi)生(sheng)(sheng)物(wu)(wu)膜的(de)(de)(de)(de)(de)(de)形(xing)式(shi)固(gu)着于(yu)填料表面,一(yi)(yi)部分则(ze)(ze)以(yi)絮(xu)状悬(xuan)(xuan)浮(fu)生(sheng)(sheng)长于(yu)水(shui)(shui)(shui)(shui)(shui)中(zhong),因此它(ta)兼有活(huo)(huo)(huo)性(xing)污(wu)(wu)(wu)(wu)(wu)泥(ni)(ni)法(fa)与生(sheng)(sheng)物(wu)(wu)滤(lv)(lv)池(chi)(chi)的(de)(de)(de)(de)(de)(de)点(dian)。曝(pu)气(qi)系统(tong)可(ke)采用(yong)(yong)鼓风或射(she)流(liu)(liu)曝(pu)氧(yang)增(zeng)氧(yang)系统(tong)(设(she)计时(shi)(shi)(shi)必须考虑投资(zi)及(ji)运(yun)行成(cheng)(cheng)本)。为培(pei)养(yang)微生(sheng)(sheng)物(wu)(wu)的(de)(de)(de)(de)(de)(de)不(bu)同(tong)的(de)(de)(de)(de)(de)(de)优势菌种(zhong),将(jiang)接(jie)触氧(yang)化(hua)池(chi)(chi)分为两(liang)格是行之(zhi)有效(xiao)的(de)(de)(de)(de)(de)(de)。
4、A2/O、A3/O污(wu)(wu)(wu)(wu)(wu)水(shui)(shui)(shui)(shui)(shui)处(chu)理(li)(li)工(gong)(gong)艺的(de)(de)(de)(de)(de)(de)运(yun)行操作由流(liu)(liu)入(ru)、反(fan)应、沉淀、排放(fang)(fang)、待机(ji)五个(ge)工(gong)(gong)序组(zu)成(cheng)(cheng)。通过(guo)调节每个(ge)工(gong)(gong)序的(de)(de)(de)(de)(de)(de)时(shi)(shi)(shi)间(jian),可(ke)达到除(chu)磷(lin)脱氮的(de)(de)(de)(de)(de)(de)效(xiao)果(guo)。
5、前处(chu)理(li)(li)——SBR反(fan)应器(qi)——过(guo)滤(lv)(lv)——出水(shui)(shui)(shui)(shui)(shui)
MORE