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Porcelain insulator with high cold resistance and preparation method thereof

A porcelain insulator and cold-resistant technology, applied in the field of high-cold-resistant porcelain insulators and their preparation, can solve problems such as railway line paralysis, and achieve the effects of reducing melting temperature, low thermal conductivity, specific heat and mechanical vibration resistance

Inactive Publication Date: 2020-04-17
江西高强电瓷集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the insulator is damaged, the entire railway line will be paralyzed

Method used

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  • Porcelain insulator with high cold resistance and preparation method thereof
  • Porcelain insulator with high cold resistance and preparation method thereof

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Embodiment 1

[0050] A porcelain insulator with high cold resistance, its formula includes the following raw materials in parts by weight: 23 parts of Banshan clay, 25 parts of Changfeng clay, 12 parts of illite, 18 parts of bauxite, 10 parts of molecular sieve, 10 parts of bentonite, and 18 parts of zirconia 10 parts of calcium phosphate fiber, 5 parts of ceramic fiber, 10 parts of silicon carbide fiber, 3 parts of boric acid, 8 parts of modified nano titanium dioxide-silicon powder additive, 2 parts of sepiolite powder, 2 parts of dodecyl silane, twelve parts 2 parts of sodium alkyl sulfate, 2 parts of sodium nitrate, 2 parts of sodium carbonate, and 2 parts of sodium sulfate.

[0051] A method for preparing a high cold resistance porcelain insulator, comprising the following steps:

[0052] S1. Preparation of modified nano-titanium dioxide-silica powder additive: Add nano-titanium dioxide, dispersant Dow Corning 51, defoamer Dow Corning 65 and wetting agent GSK-588 into deionized water, ...

Embodiment 2

[0062] A porcelain insulator with high cold resistance, its formula includes the following raw materials in parts by weight: 30 parts of Banshan clay, 15 parts of Changfeng clay, 22 parts of illite, 10 parts of bauxite, 16 parts of molecular sieve, 16 parts of bentonite, and 18 parts of zirconia 16 parts of calcium phosphate fiber, 5 parts of boron nitride fiber, 12 parts of boric acid, 8 parts of modified nano titanium dioxide-silicon powder additive, 7 parts of sepiolite powder, 2 parts of aminopropyl triethoxysilane, glycidyl ether 2 parts of oxypropyltrimethoxysilane, 2 parts of vinyltrimethoxysilane, 3 parts of ammonium lauryl sulfate, 3 parts of fatty alcohol polyoxyethylene ether sodium sulfate, and 2 parts of potassium sulfate.

[0063] A method for preparing a high cold resistance porcelain insulator, comprising the following steps:

[0064] S1. Preparation of modified nano-titanium dioxide-silica powder additive: Add nano-titanium dioxide, dispersant EFKA SL3034, def...

Embodiment 3

[0074] A porcelain insulator with high cold resistance, its formula includes the following raw materials in parts by weight: 28 parts of Banshan clay, 20 parts of Changfeng clay, 15 parts of illite, 16 parts of bauxite, 12 parts of molecular sieve, 15 parts of bentonite, and 15 parts of zirconia 12 parts of calcium phosphate fiber, 3 parts of boron nitride fiber, 7 parts of asbestos fiber, 10 parts of boric acid, 3 parts of modified nano titanium dioxide-silicon powder additive, 5 parts of sepiolite powder, 2 parts of thiopropyltrimethoxysilane 3 parts, 3 parts of vinyl triethoxysilane, 2 parts of sodium lauryl sulfate, 3 parts of fatty alcohol polyoxyethylene ether ammonium sulfate, 3 parts of sodium nitrite.

[0075] A method for preparing a high cold resistance porcelain insulator, comprising the following steps:

[0076]S1. Preparation of modified nano-titanium dioxide-silica powder additive: Add nano-titanium dioxide, dispersant EFKA SL3034, defoamer Deform 6800 and wetti...

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Abstract

The invention provides a porcelain insulator with high cold resistance which comprises 22-30 parts of semi-mountain clay, 15-25 parts of Changfeng mud, 12 to 22 parts of illite; 10-18 parts of bauxite, 10-18 parts of a molecular sieve, 10-18 parts of bentonite, 10-18 parts of zirconium oxide, 10-18 parts of calcium phosphate fiber, 3-15 parts of reinforced fiber, 3-15 parts of boric acid, 1-8 parts of a modified nano titanium dioxide-silica powder additive, 2-8 parts of sepiolite powder, 1-8 parts of a coupling agent, 1-8 parts of a surfactant and 1-8 parts of an anti-freezing agent. The porcelain insulator disclosed by the invention is compounded by adopting various functional raw materials, so that the cold resistance of the porcelain insulator is improved. The invention also provides apreparation method of the porcelain insulator with high cold resistance. The preparation method comprises the following steps: preparing the modified nano titanium dioxide-silica powder additive; mixing, ball-milling and modifying the raw materials in batches; sieving, removing iron, carrying out filter pressing, aging, forming a blank, and drying; glazing and firing; and carrying out glue bindingand maintenance. The porcelain insulator obtained by the method provided by the invention has the characteristics of high mechanical strength and excellent freeze-thaw resistance.

Description

technical field [0001] The invention relates to the technical field of electric porcelain insulators, in particular to a high cold resistance porcelain insulator and a preparation method thereof. Background technique [0002] An insulator is a device installed between conductors of different potentials or between a conductor and a component at ground potential, capable of withstanding voltage and mechanical stress. It is a special insulation control that can play an important role in overhead transmission lines. Insulators were mostly used on utility poles in the early years, and gradually developed into high-voltage wire connection towers where many disc-shaped insulators were hung at one end. It was used to increase the creepage distance and was usually made of glass or ceramics. [0003] With the rapid development of electrified railways in my country, railways are gradually extending to extremely cold regions, and the demand for insulators in the railway network is also...

Claims

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Application Information

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IPC IPC(8): C04B33/13C04B33/36C04B33/34C04B41/86C03C8/16C04B28/06H01B17/02H01B19/00C04B111/76
CPCC04B33/13C04B33/36C04B35/62605C04B33/34C04B41/86C04B41/5022C03C8/16C04B28/06H01B17/02H01B19/00C04B2235/3217C04B2235/3463C04B2235/3244C04B2235/3409C04B2235/3232C04B2235/428C04B2235/5216C04B2235/658C04B2235/6562C04B2235/6565C04B2235/6567C04B2235/96C04B2111/00844C04B2111/00637C04B2111/76
Inventor 陈招明
Owner 江西高强电瓷集团有限公司
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