High-pressure cleaning device for scabs of ore pulp self-evaporator

The utility model belongs to the technical field of aluminum oxide production, and particularly discloses a high-pressure cleaning device for scabs of an ore pulp self-evaporator. The cleaning device comprises a rotating shaft, the lower end of the rotating shaft is connected with a feeding pipe in the ore pulp self-evaporator, and the upper end of the rotating shaft extends out of the ore pulp self-evaporator through an emptying valve at the top of the ore pulp self-evaporator; a positioning support is detachably connected to a shaft body, located in the ore pulp self-evaporator, of the rotating shaft, and when the rotating shaft is stressed to rotate, the positioning support can synchronously rotate. The positioning support comprises a first ejector rod and a first side rod, the first ejector rod is slidably connected with a first high-pressure spray head, the first high-pressure spray head faces the top of the ore pulp self-evaporator and can slide in the length direction of the first ejector rod, and the