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Fire-proof soft-ceramic cable

A soft ceramic and refractory technology, applied in the field of wire and cable, can solve the problems of excellent cable construction, poor fire resistance, inconvenience, etc., and achieve the effect of high production efficiency, good fire resistance and good flexibility.

Inactive Publication Date: 2015-01-21
DONGGUAN NISTAR TRANSMITTING TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a refractory soft ceramic cable, which solves the problems of low production efficiency, poor fire resistance, and inconvenience in construction caused by the cable being too hard.

Method used

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  • Fire-proof soft-ceramic cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] First, add 20% of the mixture of clay powder and silica powder, 5% of flame retardant, 1% of antioxidant and 1% of sintering aid into the mixer according to the weight percentage, and then put it into the internal mixer At the same time, add 70% of silica gel and 3% of vulcanizing agent, banbury and coat the cable conductor, and vulcanize at 150-300°C to obtain a refractory soft ceramic cable.

[0014] After the product is stabilized for 2 hours, put it into the aging box, keep the temperature at minus 40°C for 2 hours, the low-temperature tensile elongation at break is 280%, and it will not crack when bent at low temperature; at 200°C for 2 hours, the high-temperature tensile elongation at break is 350% %, fully meet the design requirements.

[0015] After the product is stabilized for 2 hours, it is baked at 500°C for 2 hours, the material changes from soft to hard, and the insulating layer is completely ceramicized.

[0016] After 2 hours of stabilization, the produ...

Embodiment 2

[0018] First, add 15% of the mixture of feldspar powder and silica powder, 2% of flame retardant, and 1% of sintering aid into the mixer according to the weight percentage, and then put it into the internal mixer, and add 80% of silica gel at the same time After banburying with 2% vulcanizing agent, it is coated on the cable conductor and vulcanized at 150-300°C to obtain a refractory soft ceramic cable.

[0019] After the product is stabilized for 2 hours, put it into the aging box, keep the temperature at minus 40°C for 2 hours, the low-temperature tensile elongation at break is 280%, and it will not crack when bent at low temperature; at 200°C for 2 hours, the high-temperature tensile elongation at break is 350% %, fully meet the design requirements.

[0020] After the product is stabilized for 2 hours, it is baked at 500°C for 2 hours, the material changes from soft to hard, and the insulating layer is completely ceramicized.

[0021] After 2 hours of stabilization, the p...

Embodiment 3

[0023] First, add 18% of silica powder, 5% of flame retardant, and 2% of sintering aid into the mixer according to the weight percentage, stir evenly, and then put it into the internal mixer. At the same time, add 73% of silica gel and 2% of vulcanization Agents are mixed and coated on the cable conductor, and vulcanized at 150-300°C.

[0024] After the product is stabilized for 2 hours, put it into the aging box, keep the temperature at minus 40°C for 2 hours, the low-temperature tensile elongation at break is 280%, and it will not crack when bent at low temperature; at 200°C for 2 hours, the high-temperature tensile elongation at break is 350% %, fully meet the design requirements.

[0025] After the product is stabilized for 2 hours, it is baked at 500°C for 2 hours, the material changes from soft to hard, and the insulating layer is completely ceramicized.

[0026] After 2 hours of stabilization, the product burns in bundles. At a flame temperature of 800°C and a voltage ...

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Abstract

The invention relates to the technical field of wires and cables, in particular to a fire-proof soft-ceramic cable which comprises a conductor and a fire-proof soft-ceramic insulating sheath wrapping the conductor. The fire-proof soft-ceramic insulating sheath comprises, by weight, 70%-80% of silicon, 15%-20% of ceramic powder, 2%-5% of fire retardants, 2%-3% of vulcanizing agents and 1%-2% of auxiliary materials. The fire-proof soft-ceramic cable is high in production efficiency, good in flexibility and fire resistance, and capable of being used as a cable around a heating source of an electromagnetic furnace and a refrigerator and the like.

Description

technical field [0001] The invention relates to the technical field of electric wires and cables, in particular to a refractory soft ceramic cable. Background technique [0002] Wires and cables are ubiquitous in modern life, especially in densely populated areas, such as high-rise buildings, industrial and mining enterprises, living and residential areas, and many other places where cables and wires are densely distributed. Anti-aging and other problems, it is easy to appear yellowing and brittle phenomenon. There are more and more house fires caused by the aging of wires and cables. Once a fire breaks out, the fire can spread to other places or floors along with the wires and cables. According to the statistics of the fire department, more than 60% of the fires in urban houses are caused by the spread of cable burning caused by electrical equipment failure or cable load overload, and the sour gas and sour gas released by cables after burning are often the cause of persona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B3/12H01B7/295
Inventor 李明斌龚余粮喻小军
Owner DONGGUAN NISTAR TRANSMITTING TECH CO
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