Qingdao Xinzelin Machinery Technology Co., Ltd.
Professional Intelligent Plastic Machinery Solutions
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Professional Intelligent Plastic Machinery Solutions
Product Details
Steel pipe inspection → Inner-wall rust removal → Inner & outer-wall spraying → Coating curing → Holiday detection & coating-thickness inspection → Ink-jet marking → Packaging → Finished-goods storage
Steel pipe inspection → Medium-frequency induction heating → Outer-wall rust removal → Medium-frequency induction heating → FBE spraying / Adhesive coating / Polyethylene coating → Water cooling → Holiday detection & coating-thickness inspection → Ink-jet marking
Technical Parameters
| Parameter | Specification |
|---|---|
| Steel pipe diameter | Φ325 – Φ1520 mm |
| Steel pipe wall thickness | 6 – 26 mm |
| Steel pipe length | 9 – 12 m |
| Anti-corrosion layer structure | Single-layer FBE epoxy powder |
| Coating thickness | ≥ 450 μm |
Production capability: 3PE / 3PP / 2PE anti-corrosion coating for outer wall; single-layer epoxy powder spraying for inner / outer wall.
| Pipe specification | Weight per piece | Surface area per piece |
|---|---|---|
| Ø325 × 5 mm | 0.5 t | 12.2 m² |
| Ø610 × 8 mm | 1.4 t | 23.3 m² |
| Process | Line speed | Ø325 × 5 | Ø610 × 8 | Ø1420 × 12 |
|---|---|---|---|---|
| Outer-wall rust removal | 300 m²/h (SA 2.5) | ≥ 200 m/h | ≥ 215 m/h | ≥ 267 m/h |
| 3PE coating application | 220 m²/h (GB/T 23257-2017) | ≥ 150 m/h | 103 m/h | 40 m/h |
| Process | Line speed | Ø325 × 5 | Ø610 × 8 | Ø1420 × 12 |
|---|---|---|---|---|
| Inner-wall sandblasting (Φ325 – Φ426) | 60 m²/h (SA 2.5) | 85 m/h | — | — |
| Inner-wall sandblasting (Φ529 – Φ1520) | 200 m²/h (SA 2.5) | — | 100 m/h | 48 m/h |
| Single-layer FBE spraying | 180 m²/h (at 400 μm) | 48 m/h | 72 m/h | 48 m/h |
Contact Us
No. 333, Macao Road, Jiaozhou City, Qingdao China
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