Three-layer Co-extrusion Dry Cross-linking Production Line
1.Description:For 10-132kv polyethylene power cable compression
copper or aluminum stranded cable core: internal screen,
insulation, external screen three layer co-extrusion and
cross-linking;This line is used for making medium and high voltage power cable and it consists of pay-off stands,
take-up stands, accumulator, caterpillars, extruders, three
layers
crosshead, tubes, sag device andother single machines. Dry
chemical cross-linking method can produce 10-132KV PE cable, the
form of the distribution tube is catenary type, the cross-linking
tube adopts short circuit heating, nitrogen cross-linking and water
cooling.Internal and external shielding and insulation of the cable
can extrude and continuous produce at the same time.In the
cross-linking pipeline, the cable can occur chemical cross-linking
reaction with certain process line speed (reaction time) at the
protection of high temperature, high pressure and nitrogen. Cooling
gradually in the pre-cooling tube, cooling in the water cooling
pipeline, and the final productsare produced to ensure the cable
has a good electrical insulation property, anti-aging property and
thermal mechanical property.Using MMI+PLC control system, each
production process data can be online: storage, retrieval,
modification, intuitive operation, simple, convenient;2.Equipment
Pictures: 3.Technical ParametersVoltage GradeCross-linking
polyethylene: 10-35-66-110-132KVProduct SizeCopper core:
50-1600mm²Aluminum core: 70-1600mm²Cable Max. Weight25kg/mCable
Max. Diameter100mmCable StructureConductor
screen0.5-3.0mmInsulation3.4-20mmInsulation screen0.5-3.0mmLine
Speed0-15m/minTube TypeHalf catenaryLength Of HeatingtubeApprox
54m, 9 heating tubes(7 or 8 heating tubes)Pre-Cooling Tube12m (2
tubes)Length Of Cooling Tube102m (17tubes)(13 or 15 tubes)Extruder
Arrangement80 Conductor screen175 XLPE100 Insulation
screenElectricityInstallation capacity: 1080KVA380V±10%50Hz3 Phase
4 WireWaterWater pressure0.2-0.6MpWater consumption:
0.2-0.6MP12.5m³/ water in revelantCompressed Air0.6-0.8 MpaAir
consumption: 0.8m³/min NitrogenPressure: 2.0-2.5MpaPurity:
99.5%Consumption: 0.8-1m³/hNitrogen Storage Tank5m3 /*
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