LAMINATED FILTER AND FILTER TANK USING THE FILTER

摘要

PROBLEM TO BE SOLVED: To provide a laminated filter having enhanced regeneration efficiency of the filter formed by laminating filter bodies, and a filter tank using the filter. SOLUTION: This filter tank is constituted of a treating tank 1 provided with an inflow port 1a and an outflow port 1b, the laminated filter 3 formed by laminating many sheets of the filter bodies 2 having a ring shape which are arranged in the treating tank 1, springs 5 arranged so as to sandwich respective filter bodies 2, and a pressurizing means for pressurizing the laminated filter 3.