Heating and heat exchange equipment for refining waste engine oil

The utility model discloses waste engine oil refining heating heat exchange equipment which comprises a shell, a front end mechanism arranged on the front portion of the shell, a rear end mechanism arranged on the tail portion of the shell, a heat exchange liquid outlet formed in the top of the shell, a heat exchange liquid inlet formed in the bottom of the shell and two impingement plates fixedly connected to the inner wall of the shell. The impingement plate is located at the joint of the heat exchange liquid outlet, the heat exchange liquid inlet and the shell, a plurality of sets of baffle plates are distributed on the top and the bottom of the inner wall of the shell, the baffle plates are semicircular, the upper baffle plates and the lower baffle plates are distributed in a staggered mode, and a plurality of heat exchange tube bundles are arranged in the shell and penetrate through the baffle plates. Through the arrangement of the baffle plates and the heat exchange tube bundles, heat exchange liquid fl