PLC Control Polyurethane Foam Pre-Insulated Steel Pipe Production Line with 30-100mm Foaming Thickness and Shot Blasting Rust Removal
Polyurethane PU Foam Pre-Insulated Steel Pipe Production Line machine
PU Foaming spary Preinsulation Pipe Continuous Production Line
1. Pipe structure
Our company independently developed the spray winding insulation pipe production line, which consists of three parts: shot blasting and rust removal production line, polyurethane spraying production line, and PE winding production line.
2. Production line parameters:
(1) Steel pipe coverage: 206mm-1820mm
(2) Processing capacity: ≤250m2/h
(3) Cleaning level: Sa2.5
(4) Materials used: Black material (isocyanate), white material (combined polyether), polyethylene
(5) Main equipment: Shot blasting and rust removal production line, polyurethane spraying production line, PE winding production line, consisting of three parts
3. Technological flow:
PU Foaming spary Preinsulation Pipe Continuous Production Line
PUF spray PE winding preinsulated pipe production line consists of the following parts:
3) Polyethylene sheet extruding winding line
4) Water cooling line
5) End-cutting equipment
Main line Composition of the polyurethane coating steel preinsulated pipe equipment:
| No. | name |
| 1 | External wall Shot blasting rust removel machine |
| 2 | Medium-frequency induction heating furnace |
| 3 | Polyurethane spray foaming unit |
| 4 | pipe rotator trolley |
| 5 | Single screw extruder and diehead mould |
| 6 | Finished pipe ends trimming machine |
| 7 | pipe Conveyers and racks |
| 8 | Electrical system and PLC |
Production line equipment Photos show
Rust Removal 
PE film jacket wrapping 
PE Jacket Water quenching 
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