Drawer-type filtrating device used for water circulating system

The utility model relates to a drawer-type filtrating device used for a water circulating system, which comprises a water filtering tank, wherein a water flow passage is arranged inside the water filtering tank; a water inlet is formed on the water filtering tank and communicated with the water flow passage; a drawer accommodating chamber used for being inserted in a water filtering drawer from the side is arranged inside the water filtering tank in the position corresponding to the water inlet and on the downstream side of the water flow passage; at least one layer of water filtering drawer is arranged from top to bottom inside the drawer accommodating chamber; a water outlet opening is formed at the bottom of the water filtering drawer; a filter screen is arranged in the water filtering drawer in the position corresponding to the water outlet opening; and a water outlet is formed at the lower part of the water filtering tank and communicated with the water flow passage. Since the drawer-type filtrating devi