▎ 摘　　要

NOVELTY - The utility model claims a purifying device using graphene composite primary filtering sound insulation cotton, comprising a purifying shell, a filtering component and a sealing component, the filtering component is installed in the interior of the purifying shell, the sealing component is installed on the top of the purifying shell and corresponding to the position of the filtering component, the left side of the top part of the purifying shell is installed with an air inlet pipe matched with it, the right side of the bottom of the purifying shell is provided with an air outlet pipe matched with it. The utility model passes through the purifying shell, the filtering component and the sealing component are matched with each other, it realizes the purifying device of graphene composite primary filtering sound insulation cotton, it is not only convenient for dismounting the purifying net, so as to conveniently clean and maintain or replace the purifying net, so as to improve the practicability of the device, and the purifying net made of graphene composite filtering sound insulation cotton is used, increasing the sound insulation of the purifying net, inflaming retarding, antibacterial and so on excellent performance, so as to improve the practicability.