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Advanced FBE Coating Machinery for Steel Pipe Protection
The three-layer HDPE stripe winding process, with epoxy powder coating as bottom layer and binding adhesive as second layer, is the widely used technique in steel pipe anti-corrosion all over the world. The anti-corrosion steel pipe are applied in oil, gas and water supply pipelines.
Three-Layer Structure of 3PE Anti-Corrosion Pipe
The three-layer PE anti-corrosion structure includes fusion bonded epoxy-powder bottom layer, polymer adhesive middle layer and polyethylene outside layer. The epoxy powder is a kind of thermosetting nontoxic coating, forming the high molecular weight cross-linking structure coating after solidifying, featuring good chemical anti-corrosion and high mechanical properties.
Function of epoxy layer is to form continuous coating and to provide the steel tube surface with good chemical resistance and cathodic disbanding resistance. The function of polymer adhesive is to agglutinate the epoxy layer and the polyethylene outside layer, which unites all three layers together. The polyethylene layer protects the pipe from abrasion, bump and water.
First layer is Fusion bonded epoxy layer (FBE > 100µm), the second layer is adhesive (AD) 170 ~ 250µm, and the third layer is polyethylene (PE) stripe 2.5 ~ 3.7mm.
3PE steel coating pipe has the features of high mechanical strength, excellent electrical insulation performance, Process accuracy and environmental friendliness.
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, GOST31448, GOST31445.
Coating Line Main Components
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
Qingdao Huashida Internal and External Epoxy Powder Anti-Corrosion Production Line
Seamless Steel Pipe Anti-Corrosion: A New Upgrade!
Simultaneous internal and external coating
One-stop solution from rust removal, coating, and inspection to finished product delivery
International standard certification, environmentally friendly and pollution-free
Equipped with a high-efficiency powder recovery system for green production
PLC intelligent control, simple operation, fully automated process
Robust protection, high efficiency and energy saving, customize your exclusive anti-corrosion pipes!
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 Specifications
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 steel
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
Pipe Usage
3 layer PE anti-corrosion coating consist of first FBE coating, middle adhesive layer, and outer polyethylene layer.
The three-layer polyethylene anti-corrosion coating is advanced technology as the outer protective layer of buried pipe, widely used in the anti-corrosion of gas and oil transmission pipeline, urban gas supply, water supply pipe, and other fluid transmission pipelines. 3 layer PE anti-corrosion coating can strengthen the pipeline's mechanical properties with high electrical resistance, waterproof, wearable, and anti-aging performance.
Our Factory
Built in 2010, with a construction area of more than 34,000 square meters.
We have own workshops for machining, welding, spraying and assembly.
Customer Visiting
We have received customers from Russia, Ukraine, Belarus, Kazakhstan, Uzbekistan, Iran, India, Brazil, Egypt and other countries to visit the factory for inspection and ordering.
Packaging & Shipping
We have delivered our equipment to Russia, Kazakhstan, Uzbekistan, Belarus, Iran and other countries.
HUASHIDA at International Exhibitions
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
