▎ 摘　　要

NOVELTY - The utility model claims a multilayer, and can be adjusted on two adjacent layers of uniform ventilation hole staggered for uniform heat insulation device of the graphene thin film growth device. the uniform heat insulation device, comprising at least two layer uniform, the uniform upper is provided with a ventilation hole; the even lower surface is provided with an annular lug boss, the uniform plate orderly distributed from upper below; the adjacent two layers of uniform annular lug boss and lower uniform outer circumferential surface of the heat plate are rotatably matched; the uniform uniform annular lug boss in the lowest layer is provided with a flange; the annular lug boss of each uniform uniform insulation above the lowermost layer of the upper extends to the rotating plate are provided with flanges; locking device for locking the rotating plate is set on the flange. using the uniform heat insulation device can make the gas can be uniformly distributed in the process cavity, improves the quality of the product.