Professional 3LPE FBE Steel Pipe Anti-Corrosion Coating Line for Oil Gas Pipeline

The Premium Steel Pipe 3LPE/3PE/FBE Coating Production Line is developed for reliable and durable anti-corrosion protection of steel pipes. It is an ideal choice for pipeline manufacturers and engineering companies requiring high-quality coating performance and stable production capacity.

The line supports professional 3LPE, 3PE and FBE coating processes and can be configured for different pipe diameters, coating thicknesses and production requirements. Advanced PLC control and automated equipment coordination help improve production efficiency while maintaining stable coating quality.

With a complete equipment configuration and customized engineering solution, Huashida can provide a one-stop solution from equipment design and manufacturing to installation, commissioning and technical support.

           External blasting inspection                                         Internal blasting inspection                                Shot blasting machine

The composition of 3-layer PE coating production line
The three -layer PE anticorrosion structure includes fusion bonded epoxy-powder bottom layer, polymer adhesive middle layer and polyethylene top layer. The so-called 3-layer PE Coating Production line,3-layer refers to the 3-layer structure of epoxy primer, that is a thermosetting, non-toxic coating, curing after form high molecular weight cross-linked structure coating, With excellent chemical corrosion resistance and high mechanical properties, especially the best wear resistance and adhesion. It can form a continuous coating and steel pipe surface directly bonded, with good resistance to chemical corrosion and anti-cathode stripping performance. 
To ensure that the overall coating at a higher temperature Has a good adhesion, making the middle layer of adhesive reactive groups to form a chemical bond. That is high quality of steel pipe anti-corrosion coating buried in the ground.

The intermediate layer is usually a copolymer binder, the main component of which is polyolefin, and is widely used as a vinyl copolymer adhesive. The polar moiety of the copolymer adhesive and the epoxy group of the epoxy primer can react to form hydrogen bonds or chemical bonds to form a good bond between the intermediate layer and the substrate; and the non-polar ethylene moiety has a Good affinity, so the middle layer and the surface layer also has a good bonding performance. Three-layer structure of polyethylene anti-corrosion, as the buried pipe outside the protective layer is very superior, and the technology has been widely used in the West-East Gas and oil field oil supply, urban gas supply, water pipeline used on the anti-corrosion.

Technological processes
Upload pipes→pipes screw conveyor→rust removal of intermediate frequency heating→Epoxy powder coating→outer layer soli quid & polyethylene coating→cooling spray→pipes screw conveyor→grinding pipes, s end→unload pipes

Main Equipment List

No.	Name	Set
A. Derusting Equipment
1	Pipe wheel conveyor	1
2	Shot Blasting Machine	1
3	Cyclone Dust Collector	1
4	Pulse dust collector	1
5	Centrifugal exhaust fan	1
6	Rust removal equipment PLC	1
B. Coating equipment
1	Pipe wheel conveyor	1
2	Induction heating device	1
3	Powder spraying device	1
4	Automatic loading dryer	2
5	SJ-65/30 Extruder	1
6	SJ-120/30 Extruder	1
7	Hot melt adhesive extruder die	1
8	PE sheet extruder head mold	1
9	Hot melt adhesive/PE sheet coating device	1
10	Environmental Protection Ventilation equipment	1
11	Cooling Spray equipment	1
C.Platform Equipment
1	Steel pipe uploading platform	1
2	Downloading platform	1
3	Pipe storage platform	1
4	Turnover machanism	3
D.Groove Equipment
1	PE Beveling Machine	2
2	Hydraulic Lifting and Turning Machinery	1
3	Hydraulic Equipment	1
4	PLC automatic control system	1