详细信息
散户型四池净化系统
入选湖南省两型产品政府采购目录(第一批)
四步:过滤沉淀-厌氧发酵-固体物分解-人工湿地净化。
污水首先由进水口排到第一格,在第一格里比重较大的固体物及寄生虫卵等物沉淀下来,利用池水中的厌氧细菌开始初步的发酵分解,经第一格处理过的污水可分为三层:糊状粪皮、比较澄清的粪液、和固体状的粪渣。
经过初步分解的粪液流入第二格,而漂浮在上面的粪皮和沉积在下面的粪渣则留在第一格继续发酵。在第二格中,粪液继续发酵分解,虫卵继续下沉,病原体逐渐死亡,粪液得到进一步无害化,产生的粪皮和粪渣厚度比第一格显著减少。
流入第三格的粪液一般已经腐熟,其中病菌和寄生虫卵已基本杀灭。第三格功能主要起暂时储存沉淀已基本无害的粪液作用。
最后,出水再进入人工湿地系统,湿地里栽种的美人蕉、伞草、鸢尾草等植物,成活率高,抗水性强,生长周期长,能充分去除污水里的有机物、微量元素、病原体等。经人工湿地系统的物理、化学和生物净化等复杂的生态净化过程,湿地出水经消毒后,排入支渠下游,处理后出水水质指标执行《城市污水再生利用景观环境用水水质》(GB18921-2002)中的观赏性景观环境用水(河道类)水质指标。
特点:
·玻璃钢结构,不变形、不开裂、使用寿命长;
·价格较钢砼、砖混结构低;
·安装快捷、方便,降低工程费用;
·适用3~5户散户污水处理;
·污水处理可达《农田灌溉水质标准》要求。
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