Piston type reflux filtering device for extraction

The utility model discloses a piston type reflux filtering device for extraction, which comprises a liquid storage tank, the right side of the liquid storage tank is fixedly connected with a liquid inlet pipe, the right end of the liquid inlet pipe is fixedly connected with a filtering box, a reflux unit is arranged between the filtering box and the liquid storage tank, and the right side of the filtering box is fixedly connected with a liquid outlet pipe. By arranging the motor, the rotating shaft, the electric push rod and the cleaning drill bit, impurities blocked in the backflow pipe can be conveniently scattered, water is added into the backflow pipe through the water inlet pipe, the blocked impurities are discharged through the cleaning pipe, and the backflow pipe is prevented from being blocked by the backflow impurities, and the lifting efficiency of jelly production liquid is not affected. 本实用新型公开了提取用活塞式回流过滤装置，包括储液罐：所述储液罐的右侧固定连接有进液管，所述进液管的右端固定连接有过滤箱，所述过滤箱与储液罐之间设置有回流单元，所述过滤箱的右侧固定连接有出液管。通过设置有电机、转轴、电动推杆