| abstract |
The present invention relates to a silver nano-containing liquid epoxy coated steel pipe having an antibacterial and antifouling performance by coating an inner surface of a steel pipe with a resin mixed with silver nanoparticles, and a method of manufacturing the same. And fixing the steel pipe using the gap adjusting means, (b) operating a moving member for moving the second frame of the frame body up and down so that the injection means is disposed on the upper portion of the steel pipe to maintain a proper height, (c) operating the rotary motor of the rotating means in a state in which coating materials are stored in the first hopper, the second hopper, and the third hopper of the injection means, and (d) the steel pipe is moved by the rotating means. In the rotating state, the pressure cylinder is stretched or stretched so that the coating material stored in the first hopper, the second hopper, and the third hopper is sequentially sprayed onto the surface of the steel pipe to form three adhesive layers. Step (e) coating a liquid epoxy composition containing silver nano on the inner surface of the steel pipe through a spray nozzle moving in the longitudinal direction of the steel pipe in the state that the steel pipe is rotated by the rotating means and (f) of the steel pipe The adhesive layer of three layers is formed on the surface, and the structure of the step of drawing out a steel pipe coated with silver nanoparticles on the inner surface of the steel pipe is prepared.n n n By using the silver nano-containing liquid epoxy coated steel pipe having the antibacterial and antifouling properties as described above and a method of manufacturing the same, the three-layer coating work on the surface of the steel pipe and the coating work on the inner surface of the steel pipe can be performed quickly and efficiently. have. |