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Cable filling material capable of improving transmission capacity of cable

A technology of filling material and cable material, which is applied in the field of cable filling material, can solve the problems affecting the size and loss of cable transmission capacity, achieve the effects of reducing line loss, reducing manufacturing cost, and increasing transmission capacity

Active Publication Date: 2014-04-16
JIANGSUSNGSHANG CABLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, the selection of cable filler will seriously affect the transmission capacity of the cable and the loss of the rated current in the conductor of the same cross-section.

Method used

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  • Cable filling material capable of improving transmission capacity of cable
  • Cable filling material capable of improving transmission capacity of cable
  • Cable filling material capable of improving transmission capacity of cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Put 30kg of petroleum wax, 40kg of low-density polyethylene, 8kg of barium-zinc stabilizer, 15kg of powdered nitrile rubber, and 10kg of diatomaceous earth into a high-speed mixer and heat and mix for 10 minutes at a heating temperature of 115°C; The granulator extrudes and granulates to obtain the cable material filler.

Embodiment 2

[0020] 35kg petroleum wax, 35kg low density polyethylene, 6kg barium zinc stabilizer, 20kg powdered nitrile rubber, 10kg diatomaceous earth, 0.3kgBaTiO 3 , 0.4kgSrTiO 3 Put it into a high-speed mixer and heat and mix for 15 minutes at a heating temperature of 110°C; BaTiO 3 1. The fineness of SrTiO is 2000 mesh; the mixed material is extruded and granulated by a granulator to obtain the cable material filler.

Embodiment 3

[0022] 40kg petroleum wax, 30kg low density polyethylene, 5kg barium zinc stabilizer, 15kg powdered nitrile rubber, 15kg diatomaceous earth, 0.5kgBaTiO 3 , 0.6kgSrTiO 3 Put it into a high-speed mixer and heat and mix for 15 minutes at a heating temperature of 105°C; BaTiO 3 1. The fineness of SrTiO is 2000 mesh; the mixed material is extruded and granulated by a granulator to obtain the cable material filler.

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Abstract

The invention provides a cable filling material capable of improving transmission capacity of a cable. The cable filling material combination mainly comprises petroleum wax, low-density polyethylene, barium-zinc stabilizer, powdered chemigum, kieselguhr, BaTiO3 and SrTiO3.

Description

technical field [0001] The invention relates to a cable filling material, in particular to a cable filling material capable of improving cable transmission capacity. Background technique [0002] The transmission capacity of the cable is determined by the temperature rise generated when the conductor transmits current, the temperature that the outer insulation material of the conductor can withstand for a long time, and the ability of the inner and outer insulation of the cable to dissipate heat to the surrounding medium. In order to pursue the increase of transmission capacity, most of the attention in the past has been on how to increase the conductor cross section and how to overcome the large cross section conductor (such as 1000mm 2 and above) the skin effect brought about; as for the allowable working temperature of the insulating material, the thermal resistivity of the insulating and sheathing materials, and their thickness and size, they are all stipulated in the st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08L91/06C08L9/02C08K3/34C08K3/24C08K13/02
Inventor 李斌梁福才王雪松
Owner JIANGSUSNGSHANG CABLE GROUP