Rigid Polyurethane Spraying Polyethylene Winding Insulating Pipes Production Line
1. Production line introduction
Polyurethane (PU)spraying polyethylene(PE) wrapping pre-insulated pipe production line is used for the production of polyurethane prefabricated direct buried thermal insulating pipes, which are widely used in the field of heating, cooling and crude oil transportation.![]()
2. Product structure
Huashida Rigid polyurethane spraying polyethylene winding prefabricated directly buried insulation pipe consists of steel working pipe, spraying polyurethane rigid foam insulation layer and winding polyethylene outer protective pipe. The product structure is shown in the figure below:![]()
3. Technological flow:
| 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 ![]()
Welcome to our factory to discuss cooperation!
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