Formaldehyde automatic detection and removal device for building decoration

The utility model discloses an automatic formaldehyde detecting and removing device for building decoration, which comprises a box body, three mounting plates are fixed on the inner wall of the box body, the box body is divided into an ash removal detection chamber and two adsorption chambers positioned on one side of the ash removal detection chamber by the mounting plates, baffles are fixed on the inner walls of the two sides of the ash removal detection chamber and the adsorption chambers, and the baffles are fixed on the inner walls of the two sides of the adsorption chambers. An air inlet is formed in the other side of the dust removal detection chamber, an air inlet fan is fixed to the inner wall of the air inlet, and a formaldehyde sensor is fixed to the position, located on one side of the air inlet fan, of the other side of the baffle. The mounting plate and the baffle plate are mounted in the box body to reduce the flow speed of air in the box body, so that the formaldehyde sensor, the controller an