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  • 013期二肖中特: 养殖废水处理工程 污水处理

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    发表于 2018-5-31 18:23:34 | 只看该作者 |只看大图 回帖奖励 |倒序浏览 |阅读模式

           养殖污水养殖污水具有典型的“三高”特征即有机物浓度高COD高达3000-12000mg/l,氨氮高达800-2200mg/l,悬浮物SS超标数十倍;含磷量较高,可生化性一般;臭味大;冲洗排放时间集中,冲击负荷大。
          来自养殖场的废水首先进入集水井蓄积水量,然后用泵提升至固液分离机进行分离。设置固液分离机的目的是去除废水中的粪类物料,避免进入后续沼气池,造成沼气池的堵塞,从而导致清理困难和无法使用的后果。在牛粪进入沼气池前进行固液分离措施,既可解决牛粪在沼气池的沉淀问题,极大增强沼气池的处理能力,又可大大减小沼气池、生化池的建设面积。节省环保处理的建设投资和土地使用面积,分离出的牛粪还可直接作为果树、林木施肥和作为有机肥的原料。
          固液分离机分离出的废水进入沉淀池,沉淀分离废水中的细小的悬浮颗粒,分离出的沉淀物定期排入集泥池,污水则进入调节酸化池。
          系统配置调节酸化池的目的一是调节水量,二是废水预酸化,提高厌氧单元的效率。
          废水进入UASB反应器进行厌氧反应,大量去除废水的COD、BOD,将其转化为沼气。UASB反应器的出水进入絮凝反应罐,产生的沼气则经过水封罐,再经过脱硫罐和水封罐进入气柜贮存。沼气通过沼气发电机进行发电,供给废水处理系统用电。
          废水在PH调节罐中投加石灰水,调整PH进行调理后,自流进入沉淀池Ⅱ进行沉淀分离,污泥则排入集泥池。
          污水经过厌氧处理后,通过硝化及反硝化作用,配水池的废水蓄积水量后,用泵提升分配给好氧池。
          废水在好氧进行好氧反应,利用池中好氧微生物的代谢作用将大量的有机污染物和氨氮去除,从而使废水得到了净化。,污泥则排入集泥池。
          污泥处理:固液分离机产生的干泥贮存在干泥??;集泥池污泥用泵提升至污泥浓缩罐进行初步脱水后,在送入板框压滤机进行脱水处理,分离出的干泥运至干泥场。

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  • 2015环球文娱大数据指数发布 尤小刚炮轰小鲜肉影响艺术创作深度—在线播放—《2015环球文娱大数据指数发布 尤小刚炮轰小鲜肉影响艺术创作深度》—娱乐—优酷网,视频高清在线观看 2019-03-08
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  • 中国才是当今世界最大的民主国家 2019-02-22
  • 把市场经济说成计划经济是不是痴呆病? 2019-02-01
  • 回复@真理论者:你天天在强坛攻击爱因斯坦是不是劳动?创造价值么?负价值也! 2019-01-26