Workshop exhaust port gas treatment device

The utility model discloses a workshop exhaust port gas treatment device which comprises a pipeline, a motor is fixedly connected to an inner cavity of the pipeline, a paddle is fixedly connected to the left side wall of the motor, a first filter screen is fixedly connected to the inner cavity of the pipeline, a groove block is fixedly connected between the inner side walls of two bent rods, and an activated carbon filter screen is assembled in an inner cavity of the groove block. According to the workshop exhaust port gas treatment device, a round block is buckled with an outer block, friction force is increased through a first rubber layer, a bent rod can be fixed to the side wall of a pipeline, meanwhile, a groove block is fixed to an inner cavity of the pipeline, an activated carbon filter screen is buckled with the groove block, blades are driven by a motor to rotate, and ventilation work can be conducted; and when disassembly is needed, the bent rod is pulled towards the left side, the bent rod can be t