Automatic 3LPE FBE Anti-Corrosion Coating line for Steel pipe with Shot Blasting
Product Description
3PE anti-corrosion coating is that the steel pipe is protected by three layers to prolong the life of service from 5-10years to 50-100years.
First layer is a 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 sizes ranges from Φ325-1200mm, Φ325-1620mm, Φ325-1820mm, Φ508-1620mm, Φ508-2540mm, Φ508-3600mm.
Application
The three-layer HDPE stripe winding process, with epoxy powder coating as the bottom layer and binding adhesive as the second layer, is a widely used technique in steel pipe anti-corrosion all over the world. The anti-corrosion steel pipe is applied in oil, gas, and water supply pipelines.
Three-Layer structure of 3PE anti-corrosion pipe
The three-layer PE anti-corrosion structure includes a 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 a high molecular weight cross-linking structure coating after solidifying, featuring good chemical anti-corrosion and high mechanical properties. The function of the epoxy layer is to form a continuous coating and to provide the steel tube surface with good chemical resistance and cathodic disbanding resistance. The function of the 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, bumps, and water.
Technological flow
Upload pipes→pipes conveyor→rust removal→intermediate frequency heating→Epoxy powder coating→Middle layer &polyethylene stripe winding→water cooling→pipes conveyor→ pipe chamfer→unload pipes
Blasting machinery
steel pipe conveyor
FBE Coating machinery
PE/PP layer wrap extruder line
Product Parameters
Main Equipment of 3PE anti-corrosion coating processing
| No. |
Name |
Set |
| A. Derusting Equipment |
| 1 |
Pipe-conveying Equipment |
1 |
| 2 |
Shot Blast Cleaning 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 |
Coating transfer equipment |
1 |
| 2 |
IF heating device |
1 |
| 3 |
Powder spraying device |
1 |
| 4 |
Automatic loading dryer |
2 |
| 5 |
SJ-65/30 Extruder |
1 |
| 6 |
SJ-180/30 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 platform |
1 |
| 2 |
Post-rust removal transition platform |
1 |
| 3 |
Product tube storage platform |
1 |
| 4 |
Hydraulic Equipment |
3 |
| D.Groove Equipment |
| 1 |
PE Beveling Machine |
2 |
| 2 |
Hydraulic Lifting and Turning Machinery |
1 |
| 3 |
Hydraulic Equipment |
1 |
| 4 |
PLC |
1 |
| E.Compressed air Equipment |
| 1 |
Screw Air Compressor |
1 |
| 2 |
Cold dry machine |
1 |
| 3 |
Precision filters |
3 |
| 4 |
Gas tanks |
1 |
Company Profile
Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its
Inception, Huashida has focused on plastic polyurethane insulation pipe
production line, 3PE anti-corrosion pipe production line, large diameter
underground pipe production line and plastic pipe joints for 20 years.
We always attach great importance to research and development,
collaborating closely with Tsinghua University, Beijing University of
chemical technology, South China University of Technology, and scientific
research institutions. By absorbing advanced technology, home and
abroad, we now rank one of the top 3 manufacturers in the industry in
China.
International Exibition
1. ISO 9001
2. ESTABLISHED OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEM CERTIFICATE
3. ENVIRONMENTAL MANAGEMENT SYSTEM CERTIFICATE
4. BUSINESS LICENCE
Audited Supplier 
){kind=link}