FILTER ELEMENT STRUCTURE AND BACKWASH-TYPE FILTRATION DEVICE EQUIPPED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a filter element structure capable of suppressing reduction in a filtering flow rate and a backwash-type filtration device equipped with the filter element structure.SOLUTION: There is provided a filter element structure 100 which is mounted on a reverse-washing-type filtration device W and used for filtering a fluid flowing through the device, and comprises a pair of filter elements 10 and a connecting tube 13 for connecting one of the filter elements 10 to the other of the filter elements 10. The filter elements 10 have a filter medium 11 formed in a hollow cylindrical shape whose both ends are penetrated, an upper lid part 12 for covering the upper end part of the filter medium 11 and upper holes 12a penetrating the upper lid part 12. One end of the connecting tube 13 is connected to one of the upper holes 12a and the other end of the connecting tube 13 is connected to the other of the upper holes 12a.