Continuous tank maintaining device

The utility model discloses a continuous tank maintaining device, and belongs to the technical field of chemical production. The device comprises a plurality of small maintaining tanks which are sequentially connected in series; the feeding hole is formed in the middle of the bottom of the tank body, and the discharging hole is formed in the top of the tank body; a first pore plate, a second poreplate and a baffle are sequentially arranged in the tank body from top to bottom; the first pore plate and the second pore plate are directly fixed on the side wall of the tank body and are both positioned at the lower half part of the tank body; the baffle is fixed to the bottom of the small maintaining tank through a single rod, and the diameter of the baffle is smaller than the inner diameter of the tank. According to the device, materials are fed from the bottom, discharged from the top after passing through the baffle and the pore plate, and slowly ascended in the tank, namely in a laminar ascending state, so tha