Special maintenance curtain for concrete column and wall

The invention belongs to the field of concrete column and wall maintenance and particularly discloses a special maintenance curtain for a concrete column and wall. The special maintenance curtain comprises a box body; an empty chamber is formed inside the box body; a separating plate is arranged inside the box body; the empty chamber formed inside the box body is vertically divided into a water outlet chamber and a maintenance curtain placement chamber through the separating plate; a water spraying device is fixedly arranged on the inner wall of the box body, wherein the inner wall of the box body is located above the water outlet chamber; a plurality of drain holes are separately formed in the box body portion of the water outlet chamber, wherein the box body portion of the water outlet chamber is close to one side of the concrete column and wall; a maintenance curtain reel is horizontally arranged in the maintenance curtain placement chamber; the maintenance curtain winds the maintenance curtain reel; a beginning end of the maintenance curtain is fixedly connected with the maintenance curtain reel; a termination end of the maintenance curtain penetrates an opening formed in the maintenance curtain placement chamber to bend down to the ground; each end of the maintenance curtain reel is provided with a rocking handle which is used for controlling a maintenance curtain rotating shaft to rotate. According to the special maintenance curtain for the concrete column and wall, the structure is simple, the use is convenient, the standardized production can be performed, the repeated use can be performed, and the maintenance efficiency of the concrete column can be improved.