Biological purifier with a membrane of the downward flow type. The purifier comprises a purification container 23 filled with a filter medium 22, an aerator 24 provided in the purification container in order to introduce oxygen into it, a chamber 25a for collecting the biologically treated water, a water pipe 26 connected to the collecting chamber 25a, an air lift device comprising an air lift pipe 27 arranged vertically through the purification container in order to draw into the air lift pipe, at the bottom of the latter, the filter medium to which solid substances have adhered as a result of the biological treatment of the water and to lift the filter medium and the solid substances together while separating the solid substances from the filter medium, a device 29 provided at the top of the air lift pipe for separating the solid substances from the filter medium, a device 29 provided at the top of the air lift pipe for separating the solid substances from the filter medium and returning the filter medium to the purification container, and a pipe 30 for removing the solid substances from the separating device. IMAGE
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机译:具有向下流动型膜的生物净化器。净化器包括填充有过滤介质22的净化容器23,设置在净化容器中以便将氧气引入其中的曝气器24,用于收集经生物处理的水的腔室25a,连接至收集腔室25a的水管26。一种空气提升装置,其包括垂直穿过净化容器布置的空气提升管27,以便在空气净化器的底部吸入经过生物处理而附着有固体物质的过滤介质。在将固体物质与过滤介质分离的同时,将水分离并提升过滤介质和固体物质,在空气提升管的顶部设置用于将固体物质与过滤介质分离的装置29,该装置29在空气提升管的顶部,用于从过滤介质中分离出固体物质,并将过滤介质返回至净化容器, e 30用于从分离装置中去除固体物质。 <图像>
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