Fire-resistant inflaming retarding high-voltage cable
A high-voltage cable, fire-resistant and flame-retardant technology, applied in the direction of power cables, cable/conductor manufacturing, cables, etc., can solve the problems of cables that are not fire-resistant and flame-retardant, unreasonable structure, good flame retardancy, etc., and achieve good insulation performance, structure Reasonable design and good mechanical performance
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[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0014] figure 1 The fire-resistant and flame-retardant high-voltage cable shown (3.6 / 6—26 / 35kV) includes an inner core, and the outer surface of the inner conductor 1 is wrapped with a conductor refractory layer 2, and a shielding layer 3 and an insulating layer are formed outside the conductor refractory layer 2. 4 and the insulating shielding layer 5 are co-extruded in three layers, and the second refractory layer 6, the copper tape shielding 7 and the third refractory layer 8 are wrapped in sequence outside the insulating shielding layer, and then the low-smoke, chlorine-free, flame-retardant polyolefin inner sheath is sequentially extruded. The sleeve 11 is longitudinally wrapped with a corrugated alloy-aluminum-plastic composite tape 12 , and the outer surface of the corrugated alloy-aluminum-plastic composite tape 11 is coated with a low-smoke, chlorine...
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