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Fire-resisting cable with high strength and pressure resisting for ship and preparation method thereof

A fire-resistant cable, high-strength technology, used in cable/conductor manufacturing, insulating cables, insulating conductors/cables, etc., can solve problems such as defective tensile performance, poor lateral pressure resistance, and insufficient fire resistance. High tensile strength, protection strength, good fire resistance

Pending Publication Date: 2018-02-16
ANHUI AICS SCI & TECH GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of modernization and national defense construction, higher requirements are put forward for fire-resistant cables for ships. Conventional cables have defects in tensile performance on ships, poor lateral pressure resistance, not easy to step on, and insufficient fire resistance, etc.

Method used

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  • Fire-resisting cable with high strength and pressure resisting for ship and preparation method thereof
  • Fire-resisting cable with high strength and pressure resisting for ship and preparation method thereof
  • Fire-resisting cable with high strength and pressure resisting for ship and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A method for preparing a high-strength and pressure-resistant fire-resistant cable for ships, comprising the steps of:

[0043] (1) Preparation of a single cable core:

[0044] a. For the conductor single wire required by the small drawing machine, 18% of drawing oil and 82% of water are mixed together to make drawing oil, and 0.08% of drawing oil and 99.2% of water are mixed together to make stewing oil. The single wire of 3.00mm is drawn into a single wire of 2.53mm by multiple wire drawing of 2.80mm, 2.56mm, and 2.53mm. The air pressure in the automatic annealing process is 2.4Mpa, the coefficient voltage is 24.5V, the coefficient current is 900A, and the line speed is 150m / min; the drawn conductor single wires are respectively rewound in corresponding quantities on the rewinding machine, and stranded by the tube stranding machine to make the conductor of the cable. The stranding pitch ratio of the conductor is 14 times the outer diameter of the conductor, and the s...

Embodiment 2

[0060] A method for preparing a high-strength and pressure-resistant fire-resistant cable for ships, comprising the steps of:

[0061] (1) Preparation of a single cable core:

[0062] a. For the conductor single wire required by the small drawing machine, 19% of wire drawing oil and 81% of water are mixed together to make wire drawing oil, and 0.09% of wire drawing oil and 99.1% of water are mixed together to make stewing oil, from which The single wire of 3.00mm is drawn into a single wire of 2.53mm by multiple wire drawing of 2.80mm, 2.56mm, and 2.53mm. The air pressure in the automatic annealing process is 2.45Mpa, the coefficient voltage is 26.0V, the coefficient current is 950A, and the line speed is 200m / min; the drawn conductor single wires are respectively rewound in corresponding quantities on the rewinding machine, and stranded by a tube stranding machine to make a cable conductor. The stranding pitch ratio of the conductor is 15 times the outer diameter of the cond...

Embodiment 3

[0078] A method for preparing a high-strength and pressure-resistant fire-resistant cable for ships, characterized in that it comprises the following steps:

[0079] (1) Preparation of a single cable core:

[0080] a. For the conductor single wire required by the small drawing machine, 20% of drawing oil and 80% of water are mixed together to make drawing oil, and 0.10% of drawing oil and 99.0% of water are mixed together to make stewing oil, from which The single wire of 3.00mm is drawn into a single wire of 2.53mm by multiple wire drawing of 2.80mm, 2.56mm, and 2.53mm. The air pressure in the automatic annealing process is 2.5Mpa, the coefficient voltage is 27.0V, the coefficient current is 1000A, and the line speed is 250m / min; the drawn conductor single wires are respectively rewinded by the corresponding number on the rewinding machine, and stranded by the tube stranding machine to make the conductor of the cable. The stranding pitch ratio of the conductor is 16 times th...

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Abstract

The present invention discloses a fire-resisting cable with high strength and pressure resisting for a ship. The cable comprises a cable core, a filling unit, a taping layer, a braided layer and a sheath layer. The present invention further discloses a preparation method of a fire-resisting cable with high strength and pressure resisting for a ship. The method comprises the following steps of: (1)preparation of a single cable core; (2) preparation of a cable core unit; (3) preparation of the taping layer; (4) preparation of the braided layer; and (5) preparation of the sheath layer. Ceramic silicone rubber materials are employed as an insulation layer and the sheath layer of the cable, a fire-resisting feature of the ceramic silicone rubber materials is developed, and when fires occur orat a high temperature of 800-900 DEG C, the cable is in a ceramic state, so that short circuit is avoided to influence power supply of the cable; and moreover, a ceramic silicone rubber tape is takenas a filler and is a ceramic hard titanium structure at a high temperature or when fires occur, the structure cannot be influenced by being carbonized, ceramic polyolefin materials are extruded on aramid fibers, each advantage is developed, the strength of extension of the aramid fibers is large, the ceramic polyolefin materials are good in fire-resisting capability, and the braided layer is a netto effectively provide the strength of the cable.

Description

technical field [0001] The invention relates to a fire-resistant cable for ships, in particular to a high-strength and pressure-resistant fire-resistant cable for ships and a preparation method thereof. Background technique [0002] At present, the basic structure of fire-resistant cables for ships in my country is insulated core, glass fiber filled rope, mica wrapping tape, steel tape armor and PVC sheath. With the development of modernization and national defense construction, higher requirements are put forward for fire-resistant cables for ships. Conventional cables have defects in tensile performance on ships, poor lateral pressure resistance, not easy to step on, and insufficient fire resistance, etc. Therefore, it is necessary to provide a new technical solution to solve the above problems. Contents of the invention [0003] In order to solve the above problems, the present invention provides a high-strength and pressure-resistant fire-resistant cable for ships, wh...

Claims

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Application Information

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IPC IPC(8): H01B7/02H01B7/18H01B7/20H01B7/29H01B13/02H01B13/14H01B13/22H01B13/24H01B13/26
CPCH01B7/02H01B7/183H01B7/202H01B7/207H01B7/29H01B13/02H01B13/14H01B13/221H01B13/24H01B13/2606H01B13/2613
Inventor 周正平江华东邵鹤兵赵宏春陈太平成学勇於国建
Owner ANHUI AICS SCI & TECH GROUP
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