▎ 摘 要
NOVELTY - The utility model claims a waterproof steam portable mask, comprising a mask main body; two sides of the mask main body are provided with a sealing joint layer matched with it; one side of two groups of the sealing joint layer far away from each other is provided with an elastic rope; one end of the inner part of the mask main body is provided with a polytetrafluoroethylene fibre layer; the middle position of one end of the back of the polytetrafluoroethylene fibre layer is uniformly provided with an annular filter layer staggered with each other; one end of the back of the annular filter layer is provided with a graphene filter layer matched with it; the two sides of the top part of the mask main body are provided with arc mesh enclosure connected with each other; The utility model device uses graphene filter layer; the annular filter layer and the polytetrafluoroethylene fibre layer are located below the nose bridge joint frame, making the operating personnel filter and water vapour barrier when breathing, and the multiple groups of annular filter layer are laminated, further strengthens effect of the water vapour.