Fracturing circulation liquid pouring tank

The utility model belongs to devices for fracturing and acidizing construction work in the technical field of petroleum exploration and development, and relates to a fracturing circulation liquid pouring tank. The fracturing circulation liquid pouring tank comprises a self backing device, a base seat and a tank body, wherein a circulation liquid pouring manifold which is composed of a circulation liquid pouring pipeline, a vertical pipe and three spray heads is mounted on the tank body, the circulation liquid pouring pipeline is connected with the lower portion of the tank body in a penetrating mode, a valve and a quick connector are arranged at each of two ends of the circulation liquid pouring pipeline, the vertical pipe is mounted on the portion, outside the tank body, of the circulation liquid pouring pipeline, a vertical pipe valve is mounted on the vertical pipe, the three spray heads are mounted inside the tank body through elbow pipes at the upper end of the vertical pipe, and therefore the fracturing