| 摘要 |
PURPOSE: A prefabricated rainwater filtering device is provided to improve filtering efficiency by directly collecting rainwater and filtering the rainwater in the first and the second. CONSTITUTION: A prefabricated rainwater filtering device includes an upper case(110) in which a water inflow outlet for collecting rainwater into the inside is formed. A filtering net member which falls adulteration after filtering the adulteration is installed. A filtering water outlet for discharging filtered water through the filtering net member through a transfer pipe is formed in a central case(130). An adulteration outlet for discharging the collected adulteration through the piping(3) of a drain pipe is formed in the outer side surface.
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