Patent ID: 7014758
Filing Date: 2006-03-21
Classification: B01D,B01F,C02F

Abstract:
1. A water treatment device comprising: a raw water supply tube; one or more jet nozzles, each being at one end portion thereof in communication with the raw water supply tube and having at the other end portion thereof a raw water jetting outlet for blowing out the raw water in a jet stream; one or more air introducing tubes provided in correspondence to said jet nozzle or jet nozzles, each being at one end portion thereof opened to the atmosphere and being at the other end portion thereof opened to the inside of a corresponding one of the jet nozzles upstream of the raw water jetting outlet; a filter container containing a filter layer having an upper surface thereof being provided below the jet nozzles with a predetermined interval from the raw water jetting outlets of the jet nozzles; and a filtered water outlet provided in the filter container for taking out water which has been filtered through the filter layer.