Long-acting oxygen-blocking floor heating pipeline with far infrared radiation function and preparation method of long-acting oxygen-blocking floor heating pipeline

The invention provides a long-acting oxygen barrier floor heating pipeline with a far infrared radiation function and a preparation method thereof, the pipeline comprises three layers from outside to inside, the three layers are an oxygen barrier layer with far infrared radiation performance, a bonding layer and a polyolefin resin layer in sequence, and the thickness ratio of the oxygen barrier layer to the bonding layer to the polyolefin resin layer is 1.5: 0.5: 8; the oxygen barrier layer comprises the following specific components in parts by mass: 100 parts of EVOH resin and 1-8 parts of a modifier; wherein the modifier is a mixture of graphene, seaweed carbon, ceramic powder and silicon dioxide, and the mass fraction ratio of the graphene to the seaweed carbon to the ceramic powder to the silicon dioxide is (1-2): (2-5): (2-5): (1-3); the bonding layer is made of a maleic anhydride grafted polyethylene material; and the polyolefin resin layer is made of a heat-resistant polyethylene material. According t