Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Radiation resistant cable and application of radiation resistant cable in power distribution system

An irradiation-resistant cable and irradiation-resistant technology, which is applied in the directions of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of γ-ray resistance and mechanical properties that need to be improved, and can not meet working requirements, etc., and achieves the preparation method. Simple and feasible, good mechanical properties and flame retardant properties, excellent radiation resistance effect

Active Publication Date: 2014-04-30
莒南县美达电力实业有限公司
View PDF4 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used insulating materials are cross-linked polyolefin and ethylene-propylene rubber materials. However, their gamma-ray resistance and mechanical properties need to be improved, which is far from meeting the working requirements.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A radiation-resistant cable, which is composed of a cable conductor and a radiation-resistant material wrapped on the cable conductor; the radiation-resistant material is prepared from the following raw materials in parts by weight: polyvinyl chloride 200, polypropylene 180, polypropylene Carbonate 60, phenolic resin 60, polydimethylsiloxane 50, polyvinylpyrrolidone 30, decabromodiphenylethane 20, stearic acid 18, hydroxyethyl cellulose 15, glass fiber 12, aluminum tripolyphosphate 8. Silicon nitride 6, borax 4, sodium succinate 3, silica gel 2;

[0024] The preparation method of the above-mentioned radiation resistant material comprises the following steps:

[0025] 1) Weigh the above-mentioned raw materials according to parts by weight for subsequent use;

[0026] 2) Send the silicon nitride and borax to a ball mill, grind to a powder with a particle size of 300 mesh or more, then mix the powder with silica gel, stir evenly, and let it stand for 24 hours to obtain a ...

Embodiment 2

[0031] A radiation-resistant cable, which is composed of a cable conductor and a radiation-resistant material wrapped on the cable conductor; the radiation-resistant material is prepared from the following raw materials in parts by weight: polyvinyl chloride 220, polypropylene 190, polypropylene Carbonate 80, phenolic resin 65, polydimethylsiloxane 55, polyvinylpyrrolidone 40, decabromodiphenylethane 25, stearic acid 22, hydroxyethyl cellulose 18, glass fiber 13, aluminum tripolyphosphate 10, silicon nitride 9, borax 6, sodium succinate 5, silica gel 4;

[0032] The preparation method of the above-mentioned radiation resistant material comprises the following steps:

[0033] 1) Weigh the above-mentioned raw materials according to parts by weight for subsequent use;

[0034] 2) Send the silicon nitride and borax to a ball mill, grind to a powder with a particle size of 300 mesh or more, then mix the powder with silica gel, stir evenly, and let it stand for 24 hours to obtain a...

Embodiment 3

[0039] Performance test of the cable radiation-resistant material prepared by the present invention:

[0040] 1. Carry out various performance tests for the radiation-resistant materials prepared in Examples 1 and 2 of the present invention, and the specific results are shown in Table 1:

[0041] Table 1

[0042] group Thickness (mm) Volume resistivity×10 -15 (Ω·cm) Oxygen Index(%) Tensile strength (N / mm 2 ) Elongation at break (%) Hardness (A) Example 1 2.0 2.81 34 17.1 401 84 Example 2 2.0 2.86 35 17.3 387 85

[0043] 2. After γ-ray irradiation (radiation dose is 1000kGy), the change of mechanical properties, the results are shown in Table 2:

[0044] Table 2

[0045] group Tensile Strength Retention Rate (%) Elongation retention at break (%) Hardness retention (%) Example 1 94.3 96.7 92.3 Example 2 95.4 97.1 93.7

[0046] Conclusion:...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the field of cable materials and discloses a radiation resistant cable with an outer layer coated with a radiation resistant material. The radiation resistant material is prepared from 200-220 parts of polyvinyl chloride, 180-190 parts of polypropylene, 60-80 parts of polycarbonate, 60-65 parts of phenolic resin, 50-55 parts of polydimethylsiloxane, 30-40 parts of polyvinylpyrrolidone, 20-25 parts of decabromodiphenylethane, 18-22 parts of stearic acid, 15-18 parts of hydroxyethyl cellulose, 12-13 parts of glass fibre, 8-10 parts of aluminium triphosphate, 6-9 parts of silicon nitride, 4-6 parts of borax, 3-5 parts of sodium succinate and 2-4 parts of silica gel. The prepared radiation resistant material has excellent radiation resistant, inflaming retarding and mechanical properties and can be widely used in nuclear power station and aerospace field.

Description

[0001] technical field [0002] The invention belongs to the field of cable materials, in particular to a radiation-resistant cable and its application in power distribution systems. [0003] Background technique [0004] The cable is the main component of the transmission line, usually made of one or more mutually insulated conductors with an insulating protective layer, the conductors are similar, and the protection of the outer insulating layer is particularly important for the wires, which is a research field in the field of power materials in recent years. the key of. Cables can be divided into various types: such as XLPE insulated power cables, rubber-sheathed flexible cables, coal mine resistance cables, marine cables, aluminum stranded wires and steel-cored aluminum stranded wires, PVC insulated control cables, polyvinyl chloride ethylene insulated wires, elevator cables, railway signal cables, computer-specific cables, etc. [0005] At present, aerospace wires ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08L27/06C08L23/12C08L69/00C08L61/06C08L83/04C08L39/06C08L1/26C08K13/04C08K5/03C08K5/09C08K7/14C08K3/32C08K3/34C08K3/38C08K5/098H01B3/44H01B3/36H01B3/30
Inventor 孙运东王效华
Owner 莒南县美达电力实业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com