Tank bottom discharging ball valve

The utility model discloses a tank bottom discharging ball valve which comprises a valve body, the valve body is hollow to form a valve cavity, an inlet end and an outlet end which are communicated with the valve cavity are arranged on the valve body, a valve ball used for controlling the opening and closing of the outlet end is further arranged in the valve cavity, the valve ball is detachably connected to the valve body, and a driving piece used for driving the valve ball to rotate is further arranged on the valve body. The valve is characterized in that the valve body is further provided with a valve rod used for controlling opening and closing of the inlet end, the valve rod is arranged on the valve body in a sliding mode, one end of the valve rod is arranged in the valve cavity, the other end of the valve rod extends to the outside, and a pipe plug is arranged at the end, located in the valve cavity, of the valve rod; according to the tank bottom discharging ball valve provided bythe utility model, the v