Integrative reciprocal scale removal spray gun of diameter of axle

The utility model provides an integrative reciprocal scale removal spray gun of diameter of axle, relates to the interior scale removal field of oily well casing, including the body of a gun and riflehead, the rifle head pass through the short circuit and connect the lower extreme at the body of a gun, the center of rifle head end face is provided with the round hole, and evenly distributed has an axial nozzle around this round hole, the lateral wall of the body of a gun on be provided with radial nozzle, be provided with the piston in the body of a gun, the one end of piston is inserted theshort circuit in and with the sealed cooperation of short circuit, the other end of piston insert in the round hole of body of a gun tip and with the sealed cooperation of inner wall of this round hole, the side on piston upper portion was provided with the liquid hole, the short circuit in the spring is equipped with. The utility model discloses two kinds of structural style's among the prior artwater conservancy scale re