Patent ID: 9739047
Date: 2017-08-22
CPC Classifications: B01D,E03F

Claim:
1. A non-point pollutant source treatment apparatus comprising: an inlet pipe allowing initial polluted rain water (i.e., raw water) to flow therethrough; a settling tank coupled to a lower portion of the inlet pipe and storing raw water flowing from the inlet pipe; a drain part disposed at one side of an inside of the settling tank directly under the inlet pipe and coupled to a drain pipe connected to an outlet pipe so as to discharge raw water contained in the settling tank into the outlet pipe; a purifying member disposed at the other side of the inside of the settling tank and comprising purifying plates arranged in horizontal and vertical directions, the purifying plates having inlet holes to filter foreign substances from raw water; a filtering part coupled to an upper portion of the settling tank directly over the purifying member and filtering foreign substances from raw water; and a backwashing tank coupled to an upper portion of the filtering part and comprising a purified water pipe disposed at an upper portion of one side thereof and connected to the outlet pipe.