Gas diffusion prevention device for formaldehyde production

The utility model provides a gas diffusion prevention device for formaldehyde production, which belongs to the technical field of formaldehyde production and comprises a main body mechanism, the main body mechanism comprises a bottom plate, and a reactor is arranged at the top of the bottom plate; the collecting mechanism is arranged at the top of the bottom plate, the collecting mechanism comprises a guide shell, the guide shell is arranged at the top of the bottom plate, an air extracting pump is arranged in an inner cavity of the guide shell, and the output end of the air extracting pump penetrates through the guide shell and is provided with a collecting tank; and the detection mechanism is arranged in an inner cavity of the guide shell, a suction fan is arranged in the inner cavity of the guide shell, and an adsorption plate is arranged on one side of the guide shell. By arranging the collecting mechanism, the effect of collecting formaldehyde is achieved, resource waste is avoided, air can be purified,