This CCV line is used to make XLPE cross-linked cable, the voltage class is from 6KV to 35KV. It is tri-tray-simultaneously extruding-dry method, cross-linked with nitrogen as a medium, cooled by water.

Technical parameter:

1. Voltage class: 6-35KV

2. Conductor:

Cu: 35-630mm2

Al: 50-800mm2

3. Max. Cable weight: 10kg/m

4. Max. Cable diameter: 75mm

5. Extruder group: 65-150-90 three-tier co-extruding

6. Wall thickness:

65mm extruder for inner semi-conductor layer: 0.5-2.0mm

150mm extruder for insulation layer: 2.5-10.5mm

90mm extruder for outer semi-conductor layer: 0.5-2.0mm

7. Material:

Conductor: Copper stranded wire, aluminium stranded wire

Inner semi-conductor layer: Cross-linked semi-conductor material

Insulation layer: XLPE

Outer semi-conductor layer: Peelable insulation screen material (35KV or less than 35KV), unpeeladle insulation screen material(35KV)

8. Line speed: 0-30/min

9. Tube-laying form: Semi-catenary

Max. Design temperature: 450 degree

Design pressure: 1.6Mpa

10. Tube length:

Total length: 102m

Heating length: 6*6m

Precooling length: 2*6m

Water cooling length: 9*6m

11. Energy consumption:

Electricity: Installed capacity 750KVA, 380V, 50Hz, three-phase four-wire

Water pressure: 0.2-0.6Mpa

Water consumption: Recycling water 15m3/h (recycling water in pool)

Air pressure: 0.6-0.8Mpa, Air consumption: 0.8m3/h (in standard)

Nitrogen pressure: 2.0-2.5Mpa, Pure: 99.5%

Nitrogen consumption: 1-2m3/h (in standard)

To start up the line, it is necessary to equip a nitrogen storage container, not less than 6m3.