CN202615876U

CN202615876U - Carbon-hydrocarbon-fire-resistance low-voltage electric power fireproof cable used for marine engineering

Info

Publication number: CN202615876U
Application number: CN 201120488280
Authority: CN
Inventors: 李永江; 陆云春
Original assignee: Jiangsu Yuanyang Dongze Cable Co Ltd
Current assignee: Jiangsu Yuanyang Dongze Cable Co Ltd
Priority date: 2011-11-30
Filing date: 2011-11-30
Publication date: 2012-12-19
Anticipated expiration: 2021-11-30

Abstract

The utility model relates to a carbon-hydrocarbon-fire-resistance low-voltage electric power fireproof cable used for marine engineering and belongs to the power cable technology field. A periphery of a core wire conductor of the cable is wrapped with a core wire mica tape. An insulating layer is extruded on the periphery of the core wire mica tape so as to form an insulation core wire. A plurality of insulation core wires are mutually intertwisted so as to form a cable core. The periphery of the cable core is provided with a non-absorbent filling core. A halogen-free liner layer is extruded on the periphery of the non-absorbent filling core. The periphery of the halogen-free liner layer is coated with a tinned copper wire braiding armor layer. A flame-retardant crosslinked polyolefin inner sheath is extruded on the periphery of the tinned copper wire braiding armor layer. A carbon-hydrocarbon-fire-resistance polyolefin sheath is extruded on the periphery of the flame-retardant crosslinked polyolefin inner sheath. The periphery of the carbon-hydrocarbon-fire-resistance polyolefin sheath is wrapped with a cable mica tape. A flame-retardant non-crosslinked polyolefin outer sheath is extruded on the periphery of the cable mica tape. By using the cable, an external high temperature can be prevented from being rapidly extended into the cable when the carbon hydrocarbon fire is generated so that a purpose of carbon-hydrocarbon-fire-resistance performance of the cable is realized.

Description

Ocean engineering is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable

Technical field

The utility model relates to a kind of power cable, and particularly a kind of ocean engineering is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable.

Background technology

Ocean engineering oil recovery deathtrap is contained hydro carbons more and is prone to fuel vapor, dust; Be easy to generate sudden high temperature fire, instantaneous the reaching more than 1000 ℃ of temperature meeting calculated according to Exxon Mobil company; For tackling this kind situation, cable need possess anti-1100 ℃ of carbon hydrocarbon bad temper abilities.At present no matter be that common shipboard cable or the general ocean engineering cable of anti-mud all can not satisfy this requirement.

The utility model content

The purpose of the utility model is; Overcome the problem that exists in the prior art; Provide a kind of ocean engineering with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable, outside high temperature extends to cable inside rapidly in the time of can stoping generation carbon hydrocarbon fire, has realized the fiery target of the cable hydrocarbon of anti-carbon.

For solving above technical problem; A kind of ocean engineering that the utility model provided is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable; The periphery of cored wire conductor is surrounded with the heart yearn mica tape; The periphery extruded insulation layer of said heart yearn mica tape constitutes the insulation heart yearn, the many mutual stranded formation cable cores of said insulation heart yearn, and the periphery of said cable core is provided with non-hygroscopic and fills out core; The periphery that said non-hygroscopic is filled out core is extruded with the Halogen laying; The periphery of said Halogen laying is coated with tinned copper wire braiding armour, and the periphery of said tinned copper wire braiding armour is extruded with flame-proof cross-linking polyolefin inner sheath, and the periphery of said flame-proof cross-linking polyolefin inner sheath is extruded with the hydrocarbon of anti-carbon fire polyolefin jacket; The periphery of the said hydrocarbon of anti-carbon fire polyolefin jacket is surrounded with the cable mica tape, and the periphery of said cable mica tape is extruded with fire-retardant non-crosslinked polyolefin oversheath.

With respect to prior art, the utility model has been obtained following beneficial effect: the periphery of each cored wire conductor and whole cable is surrounded with mica tape respectively, and mica tape has good fire resistance; The armour periphery is provided with three layers of sheath and one deck mica tape; Flame-proof cross-linking polyolefin inner sheath not only has good flame retardancy but also have mechanical performance preferably; Inner sheath is outer to adopt the hydrocarbon of the anti-carbon fire polyolefin jacket can anti-1100 ℃ of carbon hydrocarbon fire; When carbon hydrocarbon fire takes place, stop outside high temperature rapidly to the inner extension of cable, fire-retardant non-crosslinked polyolefin oversheath has fire resistance and decay resistance preferably.

As the preferred version of the utility model, said heart yearn mica tape and cable mica tape all adopt eclipsed form wrapped, and the wrapped rate of putting up is 20% ~ 40%.

Description of drawings

Fig. 1 is the structural representation of the utility model ocean engineering with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable.

Among the figure: 1 cored wire conductor, 2 heart yearn mica tapes, 3 insulating barriers, 4 non-hygroscopics are filled out core, 5 Halogen layings, 6 tinned copper wires braiding armour, 7 flame-proof cross-linking polyolefin inner sheaths, 8 hydrocarbon of anti-carbon fire polyolefin jacket, 9 cable mica tapes, 10 fire-retardant non-crosslinked polyolefin oversheaths.

Embodiment

As shown in Figure 1; The ocean engineering of the utility model is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable, and the periphery of cored wire conductor 1 is surrounded with heart yearn mica tape 2, and the periphery of heart yearn mica tape 2 extrudes Halogen ethylene-propylene rubber or crosslinked polyetylene insulated layer 3 constitutes the insulation heart yearn; The mutual stranded formation cable core of many insulated heart yearn; The periphery of cable core is provided with non-hygroscopic and fills out core 4, and the periphery that non-hygroscopic is filled out core 4 is extruded with Halogen laying 5, and the periphery of Halogen laying 5 is coated with tinned copper wire braiding armour 6; The periphery of tinned copper wire braiding armour 6 is extruded with flame-proof cross-linking polyolefin inner sheath 7; The periphery of flame-proof cross-linking polyolefin inner sheath 7 is extruded with the hydrocarbon of anti-carbon fire polyolefin jacket 8, and the periphery of the hydrocarbon of anti-carbon fire polyolefin jacket 8 is surrounded with cable mica tape 9, and the periphery of cable mica tape 9 is extruded with fire-retardant non-crosslinked polyolefin oversheath 10.Heart yearn mica tape 2 and cable mica tape 9 all adopt eclipsed form wrapped, and the wrapped rate of putting up is 20% ~ 40%.

Except that the foregoing description, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.

Claims

1. an ocean engineering is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable; It is characterized in that: the periphery of cored wire conductor is surrounded with the heart yearn mica tape; The periphery extruded insulation layer of said heart yearn mica tape constitutes the insulation heart yearn, the many mutual stranded formation cable cores of said insulation heart yearn, and the periphery of said cable core is provided with non-hygroscopic and fills out core; The periphery that said non-hygroscopic is filled out core is extruded with the Halogen laying; The periphery of said Halogen laying is coated with tinned copper wire braiding armour, and the periphery of said tinned copper wire braiding armour is extruded with flame-proof cross-linking polyolefin inner sheath, and the periphery of said flame-proof cross-linking polyolefin inner sheath is extruded with the hydrocarbon of anti-carbon fire polyolefin jacket; The periphery of the said hydrocarbon of anti-carbon fire polyolefin jacket is surrounded with the cable mica tape, and the periphery of said cable mica tape is extruded with fire-retardant non-crosslinked polyolefin oversheath.

2. ocean engineering according to claim 1 is with the hydrocarbon of anti-carbon fire low-voltage power fireproof cable, and it is characterized in that: said heart yearn mica tape and cable mica tape all adopt eclipsed form wrapped, and the wrapped rate of putting up is 20% ~ 40%.