Batch style wastewater treatment apparatus using biological filtering process and wastewater treatment method using the same
    1.
    发明申请
    Batch style wastewater treatment apparatus using biological filtering process and wastewater treatment method using the same 失效
    采用生物过滤处理和污水处理方法的批式污水处理装置

    公开(公告)号:US20030111412A1

    公开(公告)日:2003-06-19

    申请号:US10277791

    申请日:2002-10-23

    Abstract: Provided is a wastewater treatment apparatus including a bottom portion and a plate formed above and spaced apart from the bottom portion to form a lower chamber with the bottom portion, an outlet installed on the bottom portion for drawing off water and sludge in the lower chamber before backwashing, a filter medium layer supported to the upper portion of the plate by the plate, the upper layer of which forms a bottom portion of an upper chamber, a wastewater introducing means connected to the lower chamber, for introducing wastewater to be treated into the lower chamber, a process air introducing means for supplying process air to the filter medium layer formed over the plate, a plurality of aerators formed over and spaced apart a predetermined distance from the plate, and mounted in a plurality of air flow pipes led to the process air introducing means, a backwash air introducing means for supplying backwash air to the lower chamber during backwashing, a backwash water introducing means for supplying backwash water to the lower chamber during backwashing, a plurality of nozzles extending from the lower chamber to the filter medium layer through the plate, a treated water discharging means for discharging the treated water having passed through the filter medium layer, and a returned water introducing means for returning the treated water having passed through the filter medium layer to the lower chamber. By means of batch style wastewater treatment apparatus utilizing biological filtering process, the organic matter, suspended solid matter, nitrogen and phosphorus can be efficiently removed.

    Abstract translation: 提供了一种废水处理装置,其包括底部和底部形成在其上并与底部间隔开的板,以形成具有底部的下室,出口安装在底部上,用于在下室中抽出水和污泥, 反冲洗,通过板支撑在板的上部的过滤介质层,其上层形成上部室的底部;连接到下部室的废水引入装置,用于将待处理的废水引入到 下部室,用于向形成在板上的过滤介质层供给处理空气的处理空气引入装置,形成在板上并与之隔开预定距离的多个曝气器,并且安装在多个气流管中, 处理空气引入装置,反冲洗空气引入装置,用于在回洗期间将反冲洗空气供应到下室,反冲洗水引入m 用于在回洗期间向下室供应反洗水的多个喷嘴,通过该板从下室延伸到过滤介质层的多个喷嘴,用于排出已经通过过滤介质层的处理过的水的处理水排出装置,以及 返回水引入装置,用于将经过过滤介质层的经处理的水返回到下室。 通过利用生物过滤的批式污水处理装置,有效去除有机物,悬浮固体,氮和磷。

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