Cooling treatment device for graphite boat for photovoltaic crystalline silicon solar battery

The invention provides a cooling treatment device for a graphite boat for a photovoltaic crystalline silicon solar battery. The cooling treatment device comprises a box body, wherein the box body comprises a main body frame made of stainless steel, a top wall, side walls and a bottom wall; the top wall is formed by a stainless steel plate located on a lower layer and a PVC hard board located on anupper layer; each of the side walls and the bottom wall is formed by the PVC hard board; the top wall of the box body is used for carrying at least one graphite boat; a plurality of ventilation holesused for blowing the graphite boat are formed in the top wall; an air inlet is formed in the bottom wall or at least one side wall of the box body; the air inlet is provided with a ventilation fan for supplying the box body with air and a filter device for filtering the air entering the air inlet; and the power of the ventilation fan is not smaller than 150 watts. The cooling treatment device iscapable of filtering out du