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Preparation method of energy-saving overhead wire

An energy-saving overhead wire and wire technology, which is used in cable/conductor manufacturing, electrical components, circuits, etc., can solve the problems of low wire transmission efficiency and unstable temperature, and achieve the effect of increasing transmission capacity and improving transmission capacity.

Inactive Publication Date: 2014-05-14
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: The present invention provides a method for preparing an energy-saving overhead wire, the purpose of which is to prepare a new type of energy-saving overhead wire to solve the problems of low wire transmission efficiency, unstable temperature and complete hidden dangers in the past

Method used

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  • Preparation method of energy-saving overhead wire

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specific Embodiment approach

[0022] detailed description: Below in conjunction with accompanying drawing, the present invention will be further described:

[0023] The invention provides a method for preparing an energy-saving overhead wire. The steps of the method are as follows:

[0024] 1) Mix PEVE fluorocarbon resin and butyl acetate at a mass ratio of 1 to 1.2:1 and disperse with a high-speed disperser for about 10 minutes, then grind the mixture with a sand mill until the fineness reaches 25 to 30 μm to obtain a fluorocarbon resin dispersion liquid;

[0025] 2) Add hexamethylene diisocyanate biuret to the above-prepared fluorocarbon resin dispersion at a mass ratio of 4 to 5:1, fully stir and mix evenly with a high-speed disperser to obtain a fluorocarbon-based coating;

[0026] 3) Use ethanol (alcohol) to clean the wire online to remove surface stains, etc.;

[0027] 4) Use compressed air to spray the paint on the wire at a speed of 15m / min, and the thickness of the paint layer is 30μm.

[002...

Embodiment 1

[0031] 1) Mix PEVE fluorocarbon resin and butyl acetate at a mass ratio of 1:1 and disperse with a high-speed disperser for about 10 minutes, then grind the mixture to a fineness of 25 μm with a sand mill to obtain a fluorocarbon resin dispersion.

[0032] 2) Add hexamethylene diisocyanate biuret to the above-prepared fluorocarbon resin dispersion at a mass ratio of 4:1, fully stir and mix evenly with a high-speed disperser to obtain a fluorocarbon-based coating.

[0033] 3) Use ethanol (alcohol) to clean the wire online to remove surface stains, etc.

[0034] 4) Use compressed air to spray the paint on the wire at a speed of 15m / min, and the thickness of the paint layer is 30μm.

[0035] 5) Dry the wire at 30°C.

[0036] 6) Pack the dried wires and put them on the disk.

Embodiment 2

[0038] 1) Mix PEVE fluorocarbon resin and methyl isobutyl ketone at a mass ratio of 1.2:1 and disperse with a high-speed disperser for about 10 minutes, then grind the mixture with a sand mill until the fineness reaches 30 μm to obtain a fluorocarbon resin dispersion .

[0039] 2) Add hexamethylene diisocyanate biuret to the above-prepared fluorocarbon resin dispersion at a mass ratio of 5:1, fully stir and mix evenly with a high-speed disperser to obtain a fluorocarbon-based coating.

[0040] 3) Use ethanol (alcohol) to clean the wire online to remove surface stains, etc.

[0041] 4) Use compressed air to spray the paint on the wire at a speed of 15m / min, and the thickness of the paint layer is 30μm.

[0042] 5) Dry the wire at 80°C.

[0043] 6) Pack the dried wires and put them on the disk.

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Abstract

The invention provides a preparation method of an energy-saving overhead wire. The preparation method provided by the invention enhances the surface heat scattering coefficient and reduces the heat absorption coefficient by coating a coating on the basis of a common steel-cored aluminum strand wire, thereby increasing the current capacity of the common steel-cored aluminum strand wire without increasing the temperature of the common steel-cored aluminum strand wire.

Description

technical field [0001] The invention belongs to the technical field of transmission line overhead conductors, in particular to a novel energy-saving overhead conductor. Background technique [0002] With the rapid development of the economy and the improvement of people's living standards, the demand for electricity has also increased significantly, so it is necessary to continuously increase the transmission capacity of transmission lines. Due to the limitations of the transmission cross-sectional area and operating temperature of the traditional steel-reinforced aluminum stranded wire, the improvement of the transmission capacity is limited. Therefore, people have developed a variety of capacity-enhancing wires, such as heat-resistant aluminum alloy series wires that increase the capacity of the line by increasing the operating temperature, and increase the capacity of the line by increasing the conductivity of the conductive material and adopting a new wire structure. Su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D7/12C09D5/33H01B13/22
Inventor 李春和吴细毛王建东王飞张小辉党朋
Owner STATE GRID CORP OF CHINA
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