Purify modified loess filtration system of rainwater

The utility model relates to a purify modified loess filtration system of rainwater, this system is including the rainwater collecting pool and the continuous filter that link together. The continuousfilter is cistern I even, and this cistern I links cistern II, III, the upper cover is established at the continuous filter top, and inlet tube, electric cable tube are set up separately to this upper cover one side, and the crossbeam is divided into to this lid, the water shower nozzle has been hung on the crossbeam, backwashing gas inlet tube, backwashing gas inlet tube are set up separately tocontinuous filter bottom one side, and filtration water outlet connecting pipe, its upside equipartition filter sleeve are established to the opposite side, filtration water outlet connecting pipe isoutlet water pool even, and this outlet water pool links to each other with cistern I, top -down is become by modified loess filter material layer, quartz sand filter layer, gravel supporting layer,mistake filter board group i