Sewage evaporator

The utility model discloses a sewage evaporator which comprises a base and a box body, the four corners of the top of the base are connected with the box body through supporting rods, the bottom of the box body is provided with a plurality of arc-shaped heating walls arranged in the length direction of the box body, and the inner walls of the arc-shaped heating walls are rotationally connected with spiral blade shafts. One end of the spiral blade shaft penetrates through the box and is connected with a driving device, and the other end of the spiral blade shaft penetrates through the box and is located in a fixing pipe connected to the side wall of the box. The waste water treatment device is simple in structure, waste water is discharged into the box body from the water inlet pipe, fuel gas is combusted through the combustion head to heat the arc-shaped heating wall at the bottom of the box body, liquid in the waste water is heated and evaporated and is discharged through the steam pipe, residual particles a