This using with pipe.FBE ,AD PE toghter in pipe.
Steel-port processing: cardboard wrapped around the pipe ends with the good, the pipe ends is usually reserved for the length of 50 ± 5mm, but also during the transitional platform installed on the steel pipe joints in order to ensure the follow-up operations in the delivery pipe stable pipe joints in the steel pipe anti-corrosion layer cut out after the separation.
2)dust treatment: the use of electric wire brush and cleaning device worn during the steel pipe surface rust due to the sharp spikes caused by Grit combat, removing residual dust anchor pattern, effectively put an end to powder coating leak.
3) IF induction heating: the use of medium frequency induction heating device for heating pipe, heating temperature adaptation epoxy powder thermal spray to produce technical specifications based epoxy powder manufacturer, generally 180 ~ 230
4) high-voltage electrostatic epoxy powder coating: hot-melt bonded epoxy coating and the pipe has a strong adhesion, so the use of fusion bonded epoxy coating as a polyethylene coating the bottom. The use of steel pipe surface temperature epoxy powder thermal spray, coating thickness of polyethylene coating according to the technical standards specified.
5) adhesive wound: As the polyethylene layer and Fusion Bonded Epoxy Coating adhesion poor, improve the use of fusion bonded epoxy adhesive polyethylene layer of the coating and the adhesive strength of two materials with different polarity. Adhesive layer thickness of 170μm ~ 250μm. Adhesive glue epoxy powder coating must be carried out during the process.
6) Polyethylene Winding: The side-winding way, and pressure systems rolling through the guide. Polyethylene layer thickness of 2500μm ~ 3500μm or more. Pressure system, pressure regulating guide in order to ensure uniform thickness of polyethylene layer.
7) Water Cooling: The PE coated steel, after entering the cooling chamber to cool down stereotypes.
8) tube-side processing: According to the interface ID separated polyethylene coating layer, remove the pipe joints. Groove system for the use of PE pipe end to groove so that when the welding pipeline construction and corrosion fill mouth.
9) Coating test: test content, including the thickness of detection, Presentation inspect and leak check, peel strength and inspection.
10) Coating Patch: According to the inspection records, repair of the leak and the need to carry out remedial areas.
11) Marking Packing: The corrosion of qualified steel pipes from the pipe end in the outer wall at 500 ~ 1000mm spray to fight corrosion marks and product serial number, and Kunshang packing tape, packing materials, usually rubber sheet or the preparation of rope. (Note: Package marking by coating standard)
12) finished the factory: The marking packaged in steel pipe, finished products delivered to the stacking area, require a well-ventilated, rain, to avoid ultraviolet radiation.
3PE layer coating line
