Stirring tank for pulping of lithium ion battery negative electrode material

The utility model provides a stirring tank for pulping a lithium ion battery negative electrode material. The stirring tank comprises a stirring tank main body, a one-way valve and a feeding injector, wherein the one-way valve is arranged below the outer side wall of the stirring tank, one end of the one-way valve is communicated with the interior of the stirring tank main body, and the feeding injector is connected with the other end of the one-way valve and is used for adding a powder material into the stirring tank main body; a feeding hole is formed in the lower part of the side wall of the stirring tank main body and is connected with a one-way valve; according to the stirring tank disclosed by the utility model, the one-way valve is arranged between the stirring tank main body and the feeding injector, so that powder materials can only enter the tank body through the feeding injector in a one-way manner, and the feeding speed can be adjusted by adjusting the propelling speed of the feeding injector; the