1. The system uses hot-melt polypropylene or polyethylene terephthalate granules, which are extruded and wound on the steel mold to form cans.

2. External welding is a process that adopts imported full-automatic extrusion welding unit to realize one-time welding forming of large welds at the position with high stress in the tank. The new PPH granular material with the same performance as the tank body is hot melted at the large weld PPH storage tank The bottom of the is integrated with the can body.

3、 PPH winding tank Inner welding is an automatic long arm extrusion welding process, which is an important step in all processes. The new PPH granular material with the same performance as the tank body is hot melted at the inner weld seam and integrated with the tank bottom and the tank body. The principle is the same as that of external welding, but the equipment is different

4. The installation of nozzle is the next process, which is equivalent to the bottom welding of the reduced version, that is, the pipe and flange are welded together with the imported small automatic extrusion welding unit, and then the diameter of the PPH is cut with a hole saw to the corresponding size of the tank, and then the hand-held extrusion welding is used. Nozzle installation process features: high mechanization, automation, and stable product quality. The nozzle weld is integrated with the tank body, with high welding strength. The flash can be reduced, and the welds are smooth and beautiful.

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