▎ 摘　　要

NOVELTY - The utility model claims an external pressure type membrane component for waste water treatment, which solves the technical problem of film material in the existing technology cannot process the acid waste water. the pipe type membrane assembly comprising a bearing shell, the bearing shell is provided with a plurality of external membrane tube, two ends of the bearing shell are provided with a water inlet and a water outlet, the external pressure film pipe comprises a support layer, the support layer is provided with a separation layer, the separation layer is made of multifunctional graphene/high molecular composite material permeable film. modified graphene/nano-structured multifunctional polymer material separating layer using external pressure film pipe of this utility model has very strong anti-corrosion, acid and alkali resistant and anti-pollution performance, can be used for treating all kinds of acid waste water.