Paper pulp grinding device

The invention belongs to the technical field of rice paper production, and particularly discloses a paper pulp grinding device which comprises a feed hopper. A delivery square pipe is connected with the lower side of the feed hopper, an impeller rotary device is arranged at the upper end of an inner cavity of the delivery square pipe, a circular shell is arranged on the lower side of the deliverysquare pipe, a second motor is arranged on the right side of the circular shell, an inner cavity of the circular shell is provided with a grinding roll, a framework is arranged below the circular shell, a grinding device is arranged on the framework, a barrel is arranged below the grinding device, and a threaded lifting base is arranged on the lower side of the barrel. The paper pulp grinding device has the advantages that the paper pulp grinding device is novel in design and reasonable in structure, sand-field straw which is fed into the circular shell can be preliminarily ground by the grinding roll, a third motor,