Stainless steel casting solid solution device

The utility model relates to a stainless steel casting solid solution device which comprises a body, a filtering mechanism used for filtering gas is arranged above the body, a supporting plate is arranged below the body, two vertical plates are vertically fixed to the upper surface of the supporting plate, exhaust fans are fixed to the opposite sides of the two vertical plates, and the exhaust fans are arranged on the upper surface of the supporting plate. The opposite sides of the two vertical plates communicate with exhaust pipes, and a top plate is vertically fixed between the opposite sides of the two vertical plates. According to the stainless steel casting solid solution device, through cooperation of a second motor, a screw rod and a movable sleeve, the movable sleeve can move up and down through rotation of an output shaft of the second motor, the height of a box cover can be adjusted, and after waste metal is put into a body, the height of the box cover can be adjusted; and meanwhile, the activated c