Oil field sewage desulfurization treatment device

The utility model discloses an oil field sewage desulfurization treatment device which comprises a box body, a water inlet pipe is arranged on the box body in a penetrating mode, a collecting box is arranged on the outer side wall of the box body, a filtering mechanism is arranged between the water inlet pipe and the collecting box, an air inlet pipe is arranged on the side wall of the box body ina penetrating mode, and an aeration mechanism is arranged at one end of the air inlet pipe. A mounting block is fixedly connected to the inner bottom of the box body, a stirring mechanism is arrangedon the mounting block, a water outlet pipe is arranged on the side wall of the box body in a penetrating mode, a pressure pump is arranged in the water outlet pipe, the filtering mechanism comprisestwo conveying pieces arranged at the upper end of the box body, and the two conveying pieces are connected through a net-shaped conveying belt. The net-shaped conveying belt penetrates through the water inlet pipe. The sewage t