▎ 摘　　要

NOVELTY - The utility model relates to the technical field of waste gas treatment, and claims a composite photo-catalysis waste gas treatment device, comprising a box body, the outer part of the box body is made of quartz glass material, and the light transmittance of the box body is greater than 90 %, one side of the inner part of the box body is movably connected with a composite graphene-catalysis net, and the other side of the inner part of the box body is movably connected with titanium dioxide composite light catalyzing net, the box body is irradiated by the setting of the box body, the box body surface is high transparent quartz glass, the solar light can be smoothly irradiated to the inner part of the box body, so as to improve the utilization efficiency of the sun, without using UV light for catalytic treatment, so as to effectively reduce the use of power, solving the problem of energy loss.