Corrosion-resistant sheath tube and preparation method thereof

The invention relates to the technical field of protective sleeves, in particular to a corrosion-resistant protective sleeve and a preparation method thereof.The method comprises the following steps that firstly, raw materials are prepared and screened, qualified raw materials are added into a fuse machine, processing of liquid raw materials is completed, and unqualified raw materials are discharged; 2, the liquid raw materials are subjected to mold forming processing treatment, and processing treatment of the protective sleeve pipe mold pipe is completed; and 3, cooling treatment is conducted on the protective sleeve pipe mold pipe, and preparation of the protective sleeve pipe is completed. Step 4, adding the preservative liquid into the smearing device; and 5, the protective sleeve passes through a smearing device, preparation of the corrosion-resistant protective sleeve can be completed, the protective sleeve is smeared with two layers of anti-corrosion liquid, the double layers of anti-corrosion liquid c