Hydrogen sulfide removal overhead condenser

The invention discloses a hydrogen sulfide removal overhead condenser, and belongs to the field of industrial production equipment. The cooling device comprises a cooling box, the top of the cooling box is provided with a cooling liquid outlet, and the bottom of the cooling box is provided with a cooling liquid inlet; the first cooling pipe, the second cooling pipe and the third cooling pipe are sequentially connected and arranged in the cooling box, an air inlet is formed in the first cooling pipe, and a liquid outlet is formed in the third cooling pipe; pipelines of the first cooling pipe, the second cooling pipe and the third cooling pipe are obliquely arranged; control valves are arranged between the first cooling pipe and the second cooling pipe and between the second cooling pipe and the third cooling pipe; the third cooling pipe is provided with a condensation pole end; one end of the return pipe is connected with the first cooling pipe, and the other end of the return pipe is connected with the third