Indoor formaldehyde decomposer

The utility model provides an indoor formaldehyde decomposer. The indoor formaldehyde decomposer is characterized by comprising a dustproof purification device, a formaldehyde decomposer body and a formaldehyde capture device, wherein an air inflow dustproof grid is arranged at one end of the dustproof purification device, and an air inflow purifying grid is arranged at the other end of the dustproof purification device; a supercharging driving device is connected with a decomposed air inlet; an ultraviolet lamp pole is arranged on the other side of a longitudinal partition; nano-titanium dioxide catalyst layers are arranged on the inner cavity wall of the formaldehyde decomposer body and transverse partitions; the formaldehyde decomposer body adopts a multilayered structure; a flow guide hole is formed in the side, opposite to the decomposed air inlet, at the bottom of the longitudinal partition; an air outlet in the bottom of the formaldehyde decomposer body is communicated with a capture tube of the formaldehyde capture device; a capture agent fixing cavity is arranged at the end part of the capture tube; a vent pipe is also arranged on the capture agent fixing cavity. The indoor formaldehyde decomposer disclosed by the utility model solves the problem that formaldehyde is high in concentration content in an exhibit arrangement or using process, and reduces the indoor formaldehyde content to be lower than 0.10 mg/m in the exhibit arrangement process.