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Preparation method of heat insulation type mineral fireproof cable

A fireproof cable and mineral technology, applied in the direction of cable/conductor manufacturing, insulated cables, conductor/cable insulation, etc., can solve the problems of poor physical protection performance, poor resistance to physical impact, and easy damage

Active Publication Date: 2022-03-04
HUNAN HUATAI CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cross-sectional structure of mineral cables currently on the market mainly includes cable cores, mineral insulation layers and sheaths. Although they have good insulation and fire protection performance, they have poor physical protection performance and poor physical impact resistance, making them easy to damage.

Method used

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  • Preparation method of heat insulation type mineral fireproof cable
  • Preparation method of heat insulation type mineral fireproof cable
  • Preparation method of heat insulation type mineral fireproof cable

Examples

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0027] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descriptio...

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Abstract

The invention discloses a preparation method of a heat insulation type mineral fireproof cable, which is used for producing the heat insulation type mineral fireproof cable, and comprises the following steps: S1, producing a cable core; s2, arranging a copper sheath on the outer side of the cable core; s3, pouring magnesium oxide powder to prepare a mineral insulation layer; s4, an elastic supporting layer is formed outside the copper sheath through extrusion molding; and S5, arranging a sheath layer outside the elastic supporting layer. The cable prepared by the preparation method has the elastic supporting layer and the mineral insulating layer, the mineral insulating layer can ensure better insulating and fireproof performance, the elastic supporting layer can absorb physical impact, better physical protection performance is ensured, and the defects of a traditional structure are overcome.

Description

technical field [0001] The invention relates to a cable production process, in particular to a preparation method of a heat-insulating mineral fireproof cable. Background technique [0002] Mineral cables, also known as mineral insulated cables, have the advantages of high fire resistance, explosion-proof characteristics, corrosion resistance, and long service life, and are of great positive significance to fire prevention. The cross-sectional structure of mineral cables currently on the market mainly includes cable cores, mineral insulation layers and sheaths. Although they have good insulation and fire resistance performance, they have poor physical protection performance and poor physical impact resistance, making them easy to be damaged. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a method for preparing a heat-insulating mineral ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/22H01B13/24H01B13/06H01B7/02H01B7/18H01B7/295
CPCH01B13/22H01B13/06H01B13/24H01B7/02H01B7/295H01B7/1875H01B7/187
Inventor 赵建伟赵旭东
Owner HUNAN HUATAI CABLE CO LTD
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