Qingdao Huashida Machinery Co., Ltd.
Pipeline Anticorrosion Thermal insulation Pipe production lineMACHINERY MANUFACTURER
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Steel Pipe External Internal 2lpe 3lpe Fbe Liquid Powder Epoxy Coating Line
Coating Line Description
Steel Pipe External Internal 2lpe 3lpe Fbe Liquid Powder Epoxy Coating Line is used for anti-corrosion coating steel pipe, which is widely used in varieties of engineering construction, especially in gas and oil industries, and in water transportation.
The coating line can be applied to FBE coating(epoxy powder), Two-layer extruded polyethylene coating (2LPE), Two-layer polypropylene coating (2LPP) and Three-layer extruded polyethylene coating (3LPE).
The pipe coating line meets the requirements of producing the steel pipe with coating which meets international standards DIN30670-1991,CAN/ Z245.21-2010,ISO21809-1-2009 SY/T 0413-2002, GB/T23257-2009,GOST 9.602-2016, GOST R 51164-98.
The coating line mainly consists of the following units:
-steel pipe conveyor system
-shot/sand blasting system
-dust collector system
-pipe induction heating system
-epoxy powder spraying system
-PE&Adhesive coating system
-water cooling system
-pipe end cutting system
-hydraulic and pneumatic system
-testing system
-electronic control system
Technological process of 3LPE coating:
Pipe uploading→Shot blasting→Medium frequency induction heating→Epoxy powder spraying→Adhesive and polyethylene coating→Water cooling→Pipe end cutting back→Bevelling→Pipe unloading
The line can be customized to fit individual layout and application.
Main Equipment List and specification
| No. | Name | Specification |
| A. Surface Cleaning Equipment | ||
| 1 | Steel pipe conveyor | Adjustable speed and angle, pipe uploading and unloading controlled by PLC |
| 2 | Shot blasting machine | |
| 3 | Cyclone dust collector | High efficient downwind cyclone dust removal |
| 4 | Impulse cartridge dust collector | |
| 5 | Centrifugal fan | |
| 6 | PLC control system | Automatic control of the line |
| B. Coating Equipment | ||
| 1 | Spiral pipe conveyor | Adjustable speed and angle |
| 2 | Induction heating machine | |
| 3 | Powder spraying device | Spraying thickness 80-800μm |
| 4 | Automatic feeder&dryer | |
| 5 | SJ-65/30 Extruder | |
| 6 | SJ-180/30 Extruder | |
| 7 | Adhesive extruder die mould | High quality die steel |
| 8 | PE sheet extruder die mold | High quality die stee |
| 9 | Adhesive/PE sheet coating device | Pressing roller with silicon coating and internal cooling |
| 10 | Environmental Protection Ventilation equipment | |
| 11 | Cooling Spray equipment | |
| C.Platform Equipment | ||
| 1 | Steel pipe platform | High quality |
| D.Groove Equipment | ||
| 1 | PE Beveling Machine | Steel brush disk, |
| 2 | Hydraulic Lifting and Turning Machinery | For lifting and turning the pipe |
| 3 | Hydraulic Equipment | |