Jacket heat preservation low-temperature ball valve

The jacket heat preservation low-temperature ball valve comprises a valve body, valve covers are arranged on the upper side and the lower side of the valve body correspondingly, the top of the valve cover located on the upper side communicates with a support, a valve rod is arranged between the support and the valve cover located on the upper side in a penetrating mode, and a driving device is arranged on the support; two valve seats are arranged in the valve body in a bilateral symmetry mode, a ball body connected with the bottom of the valve rod is connected between the two valve seats in an abutting mode, a circulation channel is formed in the ball body in a penetrating mode, the driving device drives the valve rod and the ball body to rotate, and an inflow channel and an outflow channel are formed in the valve body. An inflow channel is formed in the valve body, a filtering assembly is detachably arranged in the inflow channel, the filtering assembly plays a role in filtering inflow media, a heat preserva