CN204423958U - The maritime platform essential safe type oil resistant fireproof cable of resistance to mud - Google Patents

The maritime platform essential safe type oil resistant fireproof cable of resistance to mud Download PDF

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Publication number
CN204423958U
CN204423958U CN201520154168.8U CN201520154168U CN204423958U CN 204423958 U CN204423958 U CN 204423958U CN 201520154168 U CN201520154168 U CN 201520154168U CN 204423958 U CN204423958 U CN 204423958U
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China
Prior art keywords
cable
mud
resistance
fire
conductor
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CN201520154168.8U
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Chinese (zh)
Inventor
卢军军
解向前
倪伟
康冬冬
沈阳阳
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ZHONGTIAN TECHNOLOGY EQUIPMENT CABLE Co Ltd
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ZHONGTIAN TECHNOLOGY EQUIPMENT CABLE Co Ltd
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Abstract

The utility model discloses a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud, described cable is provided with core wrap, cable shield, inner covering, armour, oversheath from inside to outside successively, is also provided with fire-resistant conductor, is located at the outer field insulating barrier of fire-resistant conductor and filler in described core wrap.This construction of cable is owing to increasing the structure of proof copper-wire braided shielding, cable is except having the feature of low electric capacity, low inductance, also there is superior shielding properties and mechanical protection performance, the anti-electromagnetic field interference of cable and the ability of anti-field coupled all more satisfactory, effectively prevent the hidden danger that partial discharge that the change due to electromagnetic field formed causes spark; Adopt the structure of Mica tape, reduce the risk that cable loaded current overload causes spark, mica tape is coated on conductive surface, can isolate oxygen, effectively prevents the generation of cable conductor spark.

Description

The maritime platform essential safe type oil resistant fireproof cable of resistance to mud
Technical field
The utility model belongs to technical field of cable production, is specifically related to a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud.
Background technology
Maritime platform trial-production is mainly used in the offshore floating type works that submarine oil and natural gas survey the fields such as heavy cut platform, floating store oil storehouse and oil refining.In practical work process, a large amount of inflammable and explosive oil gas materials will inevitably be there is.The cable that current each maritime platform uses there will not be any problem in normal use procedure, once cause cable overload or cable to receive electromagnetic interference due to circuit exception, causing spark, will increasing the risk that oil gas is caused by igniting exploding.
Utility model content
Utility model object: the purpose of this utility model is to solve deficiency of the prior art, provides one both to have essential safety performance, can meet again the extra large work cable of the resistance to mud property of traditional extra large work cable oil resistant simultaneously.
Technical scheme: a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud described in the utility model, described cable is provided with core wrap from inside to outside successively, cable shield, inner covering, armour, oversheath, fire-resistant conductor is also provided with in described core wrap, be located at the outer field insulating barrier of fire-resistant conductor and filler, described fire-resistant conductor uses 6 class annealing tin-coated coppers, the outer wrapped two-layer high temperature resistant calcining mica tape of fire-resistant conductor simultaneously, described insulating barrier adopts low smoke and zero halogen ethylene propylene rubber insulation material to extrude and forms, described filler is extruded by low-smoke halogen-free polyolefin material and forms, in the middle of the limit gap being placed in cable core, described core wrap forms by low smoke and zero halogen oxygen barrier band is wrapped, described cable shield is formed by zinc-plated soft proof copper-wire braided of annealing, be coated on core wrap skin.
As preferably, described inner covering is extruded by low-smoke halogen-free polyolefin and forms.
As preferably, described armour is formed by zinc-plated soft proof copper-wire braided of annealing, and is coated on cable liner outer.
As preferably, described oversheath is extruded by the low-smoke non-halogen flame-retardant oil resistant cross-linked polyolefin of resistance to mud and forms.
Beneficial effect: this cable brings following benefit:
(1) owing to increasing the structure of proof copper-wire braided shielding, cable is except having the feature of low electric capacity, low inductance, also there is superior shielding properties and mechanical protection performance, the anti-electromagnetic field interference of cable and the ability of anti-field coupled all more satisfactory, effectively prevent the hidden danger that partial discharge that the change due to electromagnetic field formed causes spark;
(2) adopt the structure of Mica tape, reduce the risk that cable loaded current overload causes spark, mica tape is coated on conductive surface, can isolate oxygen, effectively prevents the generation of cable conductor spark.
(3) traditional maritime platform fire-resisting cable major function is ensure that cable can continue to run a period of time to ensure the use of relevant rescue aid under Fire Conditions, cable involved by the utility model not only can ensure the use of cable under flame environment, and main purpose of the present utility model is ensure that cable has the function of the generation preventing cable due to situations such as the partial discharge crossed or electromagnetic change is formed cause cable on fire.The structure that proof copper-wire braided shielding adds upper conductor Mica tape can effectively stop cable inside to produce spark.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the utility model cable.
Embodiment
A kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud as shown in Figure 1, cable is provided with by the wrapped core wrap 4 of low smoke and zero halogen oxygen barrier band from inside to outside successively, by the cable shield 5 of the zinc-plated soft proof copper-wire braided of annealing, the inner covering 6 extruded by low-smoke halogen-free polyolefin, by the armour 7 of the zinc-plated soft proof copper-wire braided of annealing, the oversheath 8 extruded by the low-smoke non-halogen flame-retardant oil resistant cross-linked polyolefin of resistance to mud, the fire-resistant conductor 1 of use 6 class annealing tin-coated copper is also provided with in core wrap 4, the outer wrapped two-layer high temperature resistant calcining mica tape of fire-resistant conductor simultaneously, be located at the outer field insulating barrier 2 of fire-resistant conductor 1 and filler 3, insulating barrier 2 adopts low smoke and zero halogen ethylene propylene rubber insulation material to extrude and forms, filler 3 is extruded by low-smoke halogen-free polyolefin material and forms, in the middle of the limit gap being placed in cable core.
The preparation process of this cable is: at the outer wrapped two-layer high temperature resistant calcining mica tape of 6 class conductors, form fire-resistant conductor 1; The outer extruded insulation 2 of fire-resistant conductor 1 forms cable insulation core, insulated wire cores and fill 3 and carry out stranded formation cable conductor by the lay ratio of 10 times; The outer wrapped one deck cable core stranding lapping layer 4 of cable conductor, forms wrapped cable core; Wrapped cable core adopts zinc-plated annealed copper silk to carry out braid shielded outward, forms cable shield 5; Outside braid shielded, adopt squash type to extrude by plastic extruding machine form inner covering 6; Inner covering 6 is outer adopts zinc-plated annealed copper silk to carry out braiding armouring, forms cable sheath 7; Extrude the low-smoke non-halogen flame-retardant oil resistant cross-linking radiation of resistance to mud polyolefin jacket material outside armour 7, form cable jacket 8.
Below the preparation technology of the maritime platform essential safe type oil resistant fireproof cable of resistance to mud of the present utility model is described in further detail:
A kind of preparation technology of the maritime platform essential safe type oil resistant fireproof cable of resistance to mud, comprise wire drawing, anneal zinc-plated, conductor strand, Mica tape, insulating exruded, vapor crosslinking, stranding are wrapped, braid shielded, liner are extruded, weave armouring and oversheath is extruded, cable lettering, totally 12 operations:
(1) wire drawing: adopt the copper bar of Ф 1.2mm to produce the monofilament to Ф 0.1mm by the most I of the wire-drawing die of gradual-change bore diameter in small wire drawing machine;
(2) anneal: in the annealed stove of monofilament after the high temperature of 580 DEG C ~ 600 DEG C, in monofilament, cause broken lattice to be reassembled arrangement by wire drawing; Annealing monofilament is online by the tin stove of 380 DEG C ~ 400 DEG C, and after the eye mould sizing of tin stove end, the tin layers of fusing evenly can be coated in conductive surface; The index request that the zinc-plated rear elongation at break of annealing is not less than 30% is proposed to conductor monofilament;
(3) synnema, multiple strand: it is 0.5mm that cable conductor is twisted by many zinc-plated filament tows 2~ 16mm 2conductor element after reestablish diplomatic relations as 50mm 2~ 630mm 2conductor;
(4) Mica tape: adopt calcining mica tape, it is oppositely wrapped that stranding lapping equipment carries out bilayer, wrapped Duplication >=35%;
(5) insulating exruded: to be evenly coated on outside conductor after extrusion die sizing after utilizing high accuracy plastic extruding machine to carry out extrusion molten to insulating material, insulating surface should be smooth, the tangent plane of insulation should without visual visible pore, power frequency spark should be adopted in insulation extrusion process to carry out defect inspection to insulation, only have the insulated wire cores checked by surface quality, insulation thickness and spark to circulate and arrive cross-linking process step;
(6) vapor crosslinking: by the insulated wire cores after producing in the water of 90 DEG C ~ 98 DEG C or place a period of time in steam, under the effect of crosslinking agent, molecule is converted into network structure by linear structure, and heat resistance brings up to 90 DEG C by 70 DEG C, and environment resistant cracking performance have also been obtained very large raising; After crosslinked, insulation extends qualified rear circulation by testing heat;
(7) stranding is wrapped: according to the structure needs of cable, cable conductor being twisted together formation cable core according to certain arrangement, certain pitch, certain direction of lay, in order to ensure cable core rounding, can add low smoke and zero halogen packing in cable core; Stranding uses Halogen oxygen barrier band to tighten cable core outward, prevents cable core loose;
(8) braid shielded: according to different cable specifications, chooses suitable tinned copper wire and weaves on high-speed knitter, and count (weight method based on cable core layer actual outside diameter) is not less than 95%;
(9) liner is extruded: utilize high speed extruder to carry out extrusion molten to inner lining material, is evenly coated on outside woven shield after extrusion die sizing, needs to ensure that inner lining surface is smooth;
(10) weave armouring: according to different cable specifications, choose suitable tinned copper wire and weave on high-speed knitter, count (weight method based on inner covering supposition external diameter) is not less than 90%;
(11) oversheath is extruded: be evenly coated on outside armour after extrusion die sizing after utilizing high accuracy plastic extruding machine to carry out extrusion molten to sheath material, jacket surface should be smooth, the tangent plane of sheath should without visual visible pore, power frequency spark should be adopted in sheath extrusion process to carry out defect inspection to insulation, only have the insulated wire cores checked by surface quality, insulation thickness and spark to circulate and arrive lettering operation;
(12) cable lettering: jacket surface lettering can adopt the mode of coding to carry out lettering, lettering content should comprise " factory's name model specification rice mark ", and lettering is still clear and legible after wiping 10 times gently through the cotton that gets wet.
Above-described specific embodiment; the technical scheme of the utility model patent and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model patent; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (4)

1. the maritime platform essential safe type oil resistant fireproof cable of resistance to mud, it is characterized in that: described cable is provided with core wrap (4) from inside to outside successively, cable shield (5), inner covering (6), armour (7), oversheath (8), fire-resistant conductor (1) is also provided with in described core wrap (4), be located at fire-resistant conductor (1) outer field insulating barrier (2) and filler (3), described fire-resistant conductor (1) uses 6 class annealing tin-coated coppers, fire-resistant conductor (1) wrapped two-layer high temperature resistant calcining mica tape outward simultaneously, described insulating barrier (2) adopts low smoke and zero halogen ethylene propylene rubber insulation material to extrude and forms, described filler (3) is extruded by low-smoke halogen-free polyolefin material and forms, in the middle of the limit gap being placed in cable core, described core wrap (4) forms by low smoke and zero halogen oxygen barrier band is wrapped, described cable shield (5) is formed by the zinc-plated soft proof copper-wire braided of annealing, be coated on core wrap (4) outer.
2. a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud according to claim 1, is characterized in that: described inner covering (6) is extruded by low-smoke halogen-free polyolefin and forms.
3. a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud according to claim 1, is characterized in that: described armour (7) is formed by the zinc-plated soft proof copper-wire braided of annealing, is coated on cable liner outer.
4. a kind of maritime platform essential safe type oil resistant fireproof cable of resistance to mud according to claim 1, is characterized in that: described oversheath (8) is extruded by the low-smoke non-halogen flame-retardant oil resistant cross-linked polyolefin of resistance to mud and forms.
CN201520154168.8U 2015-03-18 2015-03-18 The maritime platform essential safe type oil resistant fireproof cable of resistance to mud Active CN204423958U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104715840A (en) * 2015-03-18 2015-06-17 中天科技装备电缆有限公司 Intrinsically-safe oil-resistance slurry-resistance fireproof cable for maritime work platform and preparing technology
CN105655062A (en) * 2015-12-30 2016-06-08 合肥星辰电线电缆股份有限公司 Production process of high-temperature-resistant long-service-life photovoltaic cable
CN112562904A (en) * 2021-01-26 2021-03-26 人民电缆集团有限公司 Fireproof cable and raw material stirring device for producing fireproof cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104715840A (en) * 2015-03-18 2015-06-17 中天科技装备电缆有限公司 Intrinsically-safe oil-resistance slurry-resistance fireproof cable for maritime work platform and preparing technology
CN105655062A (en) * 2015-12-30 2016-06-08 合肥星辰电线电缆股份有限公司 Production process of high-temperature-resistant long-service-life photovoltaic cable
CN112562904A (en) * 2021-01-26 2021-03-26 人民电缆集团有限公司 Fireproof cable and raw material stirring device for producing fireproof cable

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