| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-cleaning fluid filtration device capable of extending a use cycle of a filter, while solving the problems of easily gathering a stain in the filter and of being difficult in cleaning the stain.SOLUTION: The self-cleaning fluid filtration device comprises a treatment tank 10, a driving unit 20, a filtration water pipe 30, a filtration unit 40 and an engaging unit 50. The treatment tank 10 comprises a tank wall, a water supply port 14, a drain port and a closed chamber 13 surrounded by the tank wall. The driving unit 20 is arranged outside the treatment tank 10. The filtration water pipe 30 comprises a pipe wall connected to the driving unit 20, penetratingly provided in the closed chamber 13 and annularly provided with the axis as the center and a plurality of through-holes 32 provided on the pipe wall. The filtration unit 40 includes a plurality of watertight layers laminated on a filter bag 41 on the filtration water pipe 30. The filter bag 41 is vertically arranged to the axial direction. |
