Leaking stoppage device for chemical equipment

The utility model discloses a leaking stoppage device for chemical equipment, which comprises a boiler with a crack, an arc-shaped shell and an arc-shaped plate, the arc-shaped plate and the arc-shaped shell are arranged on two sides of the boiler, the arc-shaped shell is sleeved on the outer side of the crack of the boiler, a pressing plate with an arc-shaped structure is arranged in the arc-shaped shell, a bearing is embedded in the middle of the outer side surface of the pressing plate, and the bearing is sleeved on the arc-shaped shell. The outer ring surface of the arc-shaped shell protrudes to form more than one fixing part, screw holes penetrating through the fixing parts and the arc-shaped shell are formed in the fixing parts, screw rods are in threaded connection in the screw holes, one end of the middle screw rod is installed in the inner ring of the bearing, and one ends of the rest screw rods abut against the outer side face of the pressing plate. The device is simple in structure, the arc-shaped