Rotating vacuum heat treatment equipment

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A rotating vacuum heat treatment equipment, applicable for heat treatment of rare earth permanent magnetic devices, hydrogen pulverization of rare earth permanent magnetic alloy, and heat treatment of mechanical electronic components, mainly comprises : a vacuum unit, a gas cooling device, and a vacuum furnace, wherein an insulating layer is provided in the vacuum furnace, a heater is provided in the insulating layer, a rotating cylinder is provided in the heater, a nozzle, connected with pipelines of the gas cooling device, is provided on the insulating layer, and cooled gas is sprayed to the rotating cylinder via the nozzle.