CN105225752A - A kind of high-strength anti-flaming fire proof power cable and preparation method thereof - Google Patents
A kind of high-strength anti-flaming fire proof power cable and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of high-strength anti-flaming fire proof power cable and preparation method thereof, comprise Stranded cable inner core and the outer fire-retardant layer of the second organosilicon composite material coated successively of Stranded cable inner core, ceramic fibre fire resistant belt, second nano flame retardant insulating barrier and fire-retardant oversheath, per share described cable inner core includes conductor cores group, and the conductor cores group fire-retardant layer of the first organosilicon composite material coated successively and the first nano flame retardant insulating barrier outward, at Stranded cable inner core each other, and be all filled with flame-retardant filler between cable inner core and the fire-retardant layer of the second organosilicon composite material, does the fire resistance test of this cable not only meet GB GB/T? the requirement of 19216, also can meet the requirement of C level, W level and the Z level specified in Britain BS6387 standard, in process of the test, cable neither short circuit is not also opened a way.
Description
Technical field
The present invention relates to power cable technical field, specifically a kind of high-strength anti-flaming fire proof power cable and preparation method thereof.
Background technology
Along with developing rapidly of national economy, use amount and the laying dense degree of cable are more and more higher, increased year by year in recent years, and the fire wherein caused due to electric wire reason account for sizable ratio by the fire electrically caused.In a fire, " secondary disaster " that a large amount of smog etc. of the corrosivity discharged because cable plays fire spread and toxic gas, generation cause, cause the attention of people, therefore the requirement of relevant department to cable fire-proof, the characteristic such as fire-retardant is also more and more higher, not only require that cable line has high reliability, and require that it is to the fail safe of surrounding environment.GB50217-94 " Code for design of cables of electric works " is using the important measures adopting flame retardant cable, fire-resisting cable etc. as cable fire-proof, and clear stipulaties should select the fireproof cable of flame retardant cable or other type in some place.
For now, fire-retardant, fire-resistant, low-smoke low-halogen or low smoke halogen-free flame retardant cable are referred to as fireproof cable by cable industry custom.But these products are because of the difference of its performance index, manufacturing technology, and the scope of its application is also different.The after-combustion of not easily catching fire or catch fire of common flame-retardant electric wire and cable is only limited within limits, therefore it can suppress propagation of flame, the fire prevention level of whole piece cable line can be improved, be generally used for the higher spaciousness of cable laying dense degree and draughty place.The main feature of fire-resisting cable is the safe operation that still can keep certain hour in ablaze situation, and during to ensure fire, energising can be continued in fire-fighting, warning system, emergency service loop etc., and disaster relief work is normally carried out.And low-smoke low-halogen, low smoke halogen-free flame retardant cable burn time produce smog and pernicious gas less, the loss that " secondary disaster " brings can be reduced to comparatively low degree, therefore be applicable to require higher subway, tunnel, boats and ships and vehicle, power station and important skyscraper etc.But this several cable is violent in the intensity of a fire, wind-force is powerful, just lose its normal characteristic under high temperature, high-pressure situations and can not meet instructions for use, because they mostly are organic material, easily burn under case of fire, and send a lot of heat, accelerate the burning of cable.
Summary of the invention
The object of the present invention is to provide a kind of high-strength anti-flaming fire proof power cable and preparation method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of high-strength anti-flaming fire proof power cable, comprise Stranded cable inner core and the outer fire-retardant layer of the second organosilicon composite material coated successively of Stranded cable inner core, ceramic fibre fire resistant belt, second nano flame retardant insulating barrier and fire-retardant oversheath, cable inner core described in multiply is intervally arranged radially centered by the reinforcement of this high-strength anti-flaming fire proof power cable center setting, per share described cable inner core includes conductor cores group, and the conductor cores group fire-retardant layer of the first organosilicon composite material coated successively and the first nano flame retardant insulating barrier outward, described conductor cores group is by the ultra-fine soft aluminium wire outsourcing perfluoroethylene-propylene extrusion molding of multiply high strength 99.99% anaerobic annealing nickel plating, at Stranded cable inner core each other, and between cable inner core and the fire-retardant layer of the second organosilicon composite material all flame-retardant filler is filled with, a ground connection core is also provided with between described second nano flame retardant insulating barrier,
Described flame-retardant filler according to the component of weight portion is: expanded vermiculite 100-150 part, micron order kaolin 50-100 part, hydrotalcite 30-50 part, Firebrake ZB 10-20 part, nano-silicon nitride 5-15 part, glass fibre 10-25 part, polyether modified silicon oil 15-25 part, powdered whiting 5-15 part, kish 10-20 part;
The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 30-60 part, nano-silicon nitride 10-20 part, sodium metasilicate 2-10 part, thermal decomposition graphite 10-20 part, Boratex 5-35 part, eakleite 10-30 part, steel fibre 2-8 part, silane coupler 1-10 part, carbon nano-tube 5-10 part, ferric pyrophosphate 2-8, nm-class boron nitride 2-10 part;
Described ceramic fibre fire resistant belt is bonded by one deck pottery silica gel and layer of glass, and thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.
As the further scheme of the present invention: described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 50-100 part, nanometer nitrogen-phosphorus expansion fire retardant 2-10 part, nano silicon oxide 2-10 part, nano mesoporous molecular screen 2-10 part, antimonous oxide 10-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part.
As the further scheme of the present invention: described flame-retardant filler according to the component of weight portion is: expanded vermiculite 110-140 part, micron order kaolin 60-80 part, hydrotalcite 35-45 part, Firebrake ZB 12-18 part, nano-silicon nitride 8-12 part, glass fibre 12-20 part, polyether modified silicon oil 18-22 part, powdered whiting 8-12 part, kish 12-18 part.
As the further scheme of the present invention: the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 40-55 part, nano-silicon nitride 12-18 part, sodium metasilicate 4-8 part, thermal decomposition graphite 12-18 part, Boratex 15-30 part, eakleite 15-25 part, steel fibre 3-7 part, silane coupler 2-8 part, carbon nano-tube 6-8 part, ferric pyrophosphate 3-6, nm-class boron nitride 3-8 part.
As the further scheme of the present invention: described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 60-90 part, nanometer nitrogen-phosphorus expansion fire retardant 4-8 part, nano silicon oxide 4-8 part, nano mesoporous molecular screen 3-7 part, antimonous oxide 15-25 part, plasticizer 0.5-1.2 part, Lauryl Alcohol ester 15-25 part, age resistor 2-4 part.
As the further scheme of the present invention: described fire-retardant oversheath is identical with the material of reinforcement, low-smoke non-halogen flame-retardant high-strength abrasion-proof elastomer is adopted to make.
As the further scheme of the present invention: described flame-retardant filler according to the component of weight portion is: expanded vermiculite 125 parts, micron order kaolin 70 parts, hydrotalcite 40 parts, Firebrake ZB 15 parts, nano-silicon nitride 10 parts, 15 parts, glass fibre, polyether modified silicon oil 20 parts, powdered whiting 10 parts, kish 15 parts.
As the further scheme of the present invention: the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 50 parts, nano-silicon nitride 15 parts, sodium metasilicate 6 parts, 15 parts, thermal decomposition graphite, Boratex 25 parts, eakleite 20 parts, steel fibre 5 parts, silane coupler 5 parts, carbon nano-tube 7 parts, ferric pyrophosphate 5, nm-class boron nitride 5 parts.
As the further scheme of the present invention: described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 70 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nano silicon oxide 6 parts, nano mesoporous molecular screen 5 parts, antimonous oxide 20 parts, 1 part, plasticizer, Lauryl Alcohol ester 20 parts, 3 parts, age resistor.
The present invention also provides a kind of manufacture method of high-strength anti-flaming fire proof power cable, and concrete steps are:
(1) adopt several conductor strand to become a conductor cores group, then adopt double-layer coextrusion technique at conductor cores the group outer fire-retardant layer of coated first organosilicon composite material and the first nano flame retardant insulating barrier successively from inside to outside; Namely unit cable inner core is obtained;
(2) several cables inner core is plied to one total cable around the reinforcement at center, and with expressing technique coated flame-retardant filler outside one total cable, then adopts around-packing technology at the outer fire-retardant layer of wrapped second organosilicon composite material of flame-retardant filler;
(3) three-layer co-extruded technique is adopted, at the fire-retardant layer of the second organosilicon composite material outer coating ceramic fibre fire-proof band, the second nano flame retardant insulating barrier and fire-retardant oversheath successively from inside to outside; Namely a kind of high-strength anti-flaming fire proof power cable is obtained.
Compared with prior art, the invention has the beneficial effects as follows:
The fire resistance test of a kind of high-strength anti-flaming fire proof power cable of the present invention's design not only meets the requirement of GB GB/T19216, and apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
The fire-retardant category-A of this cable fulfils, be fire-retardant highest level, namely anti-flammability in order to extinguish, reducing or suppress the burning of material, adds fire retardant usually in the material, makes material have the performance stoping or delay propagation of flame when burning.When burning things which may cause a fire disaster disappears outside, through can certainly put out after a while.For reaching fire-retardant category-A requirement; in structural design; adopt the materials such as ceramic fibre fire resistant belt, fire-retardant oversheath and the fire-retardant layer of homemade organosilicon composite material, nano flame retardant insulating barrier and flame-retardant filler to carry out multiple protective, the comprehensive mechanical of product is formed and significantly improves.
Accompanying drawing explanation
Fig. 1 is profile of the present invention.
Wherein: 1, reinforcement; 2, cable inner core; 21, conductor cores group; 22, the fire-retardant layer of the first organosilicon composite material; 23, the first nano flame retardant insulating barrier; 3, flame-retardant filler; 4, the fire-retardant layer of the second organosilicon composite material; 5, ceramic fibre fire resistant belt; 6, the second nano flame retardant insulating barrier; 7, ground connection core; 8, fire-retardant oversheath.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of high-strength anti-flaming fire proof power cable, comprise Stranded cable inner core 2 and the outer fire-retardant layer 4 of the second organosilicon composite material coated successively of Stranded cable inner core 3, ceramic fibre fire resistant belt 5, second nano flame retardant insulating barrier 6 and fire-retardant oversheath 8, cable inner core described in multiply be 2 by this high-strength anti-flaming fire proof power cable center arrange reinforcement 1 centered by be intervally arranged radially, per share described cable inner core 2 includes conductor cores group 21, and the conductor cores group 21 fire-retardant layer 22 of the first organosilicon composite material coated successively and the first nano flame retardant insulating barrier 23 outward, described conductor cores group 21 is by the ultra-fine soft aluminium wire outsourcing perfluoroethylene-propylene extrusion molding of multiply high strength 99.99% anaerobic annealing nickel plating, at Stranded cable inner core 2 each other, and between cable inner core 2 and the fire-retardant layer 4 of the second organosilicon composite material flame-retardant filler 3 is all filled with, a ground connection core 7 is also provided with between described second nano flame retardant insulating barrier 6,
In the present invention, described flame-retardant filler 3 and be worked materials, its component according to weight portion is: expanded vermiculite 100-150 part, micron order kaolin 50-100 part, hydrotalcite 30-50 part, Firebrake ZB 10-20 part, nano-silicon nitride 5-15 part, glass fibre 10-25 part, polyether modified silicon oil 15-25 part, powdered whiting 5-15 part, kish 10-20 part.
Wherein, this flame-retardant filler 3, keep soft loose powder shape at normal temperatures, ensure that finished cable in use flexible, the second wrapped outside at flame-retardant filler 3 of nano flame retardant insulating barrier 4, second nano flame retardant insulating barrier 4 has fire insulation and fire-retardant performance, and the flame-retardant filler 3 at normal temperatures in powder ball shape can be wrapped by it; And when running into fire, flame-retardant filler 3 can be formed has heat insulation, fireproof earthenware, cable inner core 2 can be worked safely, thus cable is met to bear under load 1000V condition of work the burning of 950 DEG C, 3 hours, there is anti-spray simultaneously, function that resistance to mechanical is clashed into.
In the present invention, the fire-retardant layer of described first organosilicon composite material 22 is identical with the material of the fire-retardant layer of the second organosilicon composite material 4, and be worked materials, according to the component of weight portion be: organic silicon scrap 30-60 part, nano-silicon nitride 10-20 part, sodium metasilicate 2-10 part, thermal decomposition graphite 10-20 part, Boratex 5-35 part, eakleite 10-30 part, steel fibre 2-8 part, silane coupler 1-10 part, carbon nano-tube 5-10 part, ferric pyrophosphate 2-8, nm-class boron nitride 2-10 part;
In the present invention, described first nano flame retardant insulating barrier 23 is identical with the material of the second nano flame retardant insulating barrier 6, and be worked materials, according to the component of weight portion be: water-borne acrylic resin 50-100 part, nanometer nitrogen-phosphorus expansion fire retardant 2-10 part, nano silicon oxide 2-10 part, nano mesoporous molecular screen 2-10 part, antimonous oxide 10-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part.
In the present invention, described ceramic fibre fire resistant belt 5 is worked materials, and be bonded by one deck pottery silica gel and layer of glass, thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.This material-70 DEG C-210 DEG C time softness, flexible, intensity is high, mechanicalness insulating properties is excellent.Make cable have the features such as softness, sound insulation, shock resistance, construction is laid convenient.
In the present invention, described fire-retardant oversheath 8 and reinforcement 1 are worked materials, all adopt low-smoke non-halogen flame-retardant high-strength abrasion-proof elastomer to make.
Embodiment 1
A manufacture method for high-strength anti-flaming fire proof power cable, concrete steps are:
(1) adopt several conductor strand to become a conductor cores group 21, then adopt double-layer coextrusion technique at conductor cores the group 21 outer fire-retardant layer 22 of coated first organosilicon composite material and the first nano flame retardant insulating barrier 23 successively from inside to outside; Namely unit cable inner core 2 is obtained;
(2) several cables inner core 2 is plied to one total cable around the reinforcement 1 at center, and with expressing technique coated flame-retardant filler 3 outside one total cable, then adopts around-packing technology at the outer fire-retardant layer 4 of wrapped second organosilicon composite material of flame-retardant filler 3;
(3) three-layer co-extruded technique is adopted, at the fire-retardant layer of the second organosilicon composite material 4 outer coating ceramic fibre fire-proof band 5, second nano flame retardant insulating barrier 6 and fire-retardant oversheath 8 successively from inside to outside; Namely a kind of high-strength anti-flaming fire proof power cable is obtained.
Wherein, described flame-retardant filler 3 according to the component of weight portion is: expanded vermiculite 125 parts, micron order kaolin 70 parts, hydrotalcite 40 parts, Firebrake ZB 15 parts, nano-silicon nitride 10 parts, 15 parts, glass fibre, polyether modified silicon oil 20 parts, powdered whiting 10 parts, kish 15 parts.The fire-retardant layer of described first organosilicon composite material 22 is identical with the material of the fire-retardant layer of the second organosilicon composite material 4, according to the component of weight portion is: organic silicon scrap 50 parts, nano-silicon nitride 15 parts, sodium metasilicate 6 parts, 15 parts, thermal decomposition graphite, Boratex 25 parts, eakleite 20 parts, steel fibre 5 parts, silane coupler 5 parts, carbon nano-tube 7 parts, ferric pyrophosphate 5, nm-class boron nitride 5 parts.Described first nano flame retardant insulating barrier 23 is identical with the material of the second nano flame retardant insulating barrier 6, according to the component of weight portion is: water-borne acrylic resin 70 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nano silicon oxide 6 parts, nano mesoporous molecular screen 5 parts, antimonous oxide 20 parts, 1 part, plasticizer, Lauryl Alcohol ester 20 parts, 3 parts, age resistor.Described fire-retardant oversheath 8 is identical with the material of reinforcement 1, adopts low-smoke non-halogen flame-retardant high-strength abrasion-proof elastomer to make.
Fire prevention experiment:
1. the examining report that a kind of high-strength anti-flaming fire proof power cable that prepared by pair above-described embodiment carries out special experiment is taken passages as follows:
2. pair this product carry out type approval test examining report take passages as follows:
Visible, the fire resistance test of a kind of high-strength anti-flaming fire proof power cable of the present invention's design not only meets the requirement of GB GB/T19216, apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
The fire-retardant category-A of this cable fulfils, be fire-retardant highest level, namely anti-flammability in order to extinguish, reducing or suppress the burning of material, adds fire retardant usually in the material, makes material have the performance stoping or delay propagation of flame when burning.When burning things which may cause a fire disaster disappears outside, through can certainly put out after a while.For reaching fire-retardant category-A requirement; in structural design; adopt the materials such as ceramic fibre fire resistant belt, fire-retardant oversheath and the fire-retardant layer of homemade organosilicon composite material, nano flame retardant insulating barrier and flame-retardant filler to carry out multiple protective, the comprehensive mechanical of product is formed and significantly improves.
Comparative example 1
A manufacture method for high-strength anti-flaming fire proof power cable, concrete steps are:
(1) adopt several conductor strand to become a conductor cores group 21, then adopt double-layer coextrusion technique at conductor cores the group 21 outer fire-retardant layer 22 of coated first organosilicon composite material and the first nano flame retardant insulating barrier 23 successively from inside to outside; Namely unit cable inner core 2 is obtained;
(2) several cables inner core 2 is plied to one total cable around the reinforcement 1 at center, adopt three-layer co-extruded technique, at the fire-retardant layer of the second organosilicon composite material outer coating ceramic fibre fire-proof band 5, second nano flame retardant insulating barrier 6 and fire-retardant oversheath 8 successively from inside to outside; Namely a kind of high-strength anti-flaming fire proof power cable is obtained.
Wherein, the fire-retardant layer of described first organosilicon composite material 22 is identical with the material of the fire-retardant layer of the second organosilicon composite material 4, according to the component of weight portion is: organic silicon scrap 50 parts, nano-silicon nitride 15 parts, sodium metasilicate 6 parts, 15 parts, thermal decomposition graphite, Boratex 25 parts, eakleite 20 parts, steel fibre 5 parts, silane coupler 5 parts, carbon nano-tube 7 parts, ferric pyrophosphate 5, nm-class boron nitride 5 parts.Described first nano flame retardant insulating barrier 23 is identical with the material of the second nano flame retardant insulating barrier 6, according to the component of weight portion is: water-borne acrylic resin 70 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nano silicon oxide 6 parts, nano mesoporous molecular screen 5 parts, antimonous oxide 20 parts, 1 part, plasticizer, Lauryl Alcohol ester 20 parts, 3 parts, age resistor.Described fire-retardant oversheath 8 is identical with the material of reinforcement 1, adopts low-smoke non-halogen flame-retardant high-strength abrasion-proof elastomer to make.
Fire prevention experiment:
1. the examining report that a kind of high-strength anti-flaming fire proof power cable that prepared by pair above-described embodiment carries out special experiment is taken passages as follows:
2. pair this product carry out type approval test examining report take passages as follows:
Visible, flame-retardant filler at high temperature can play good resistance to mechanical percussion; The fire-retardant layer of organosilicon composite material and nano flame retardant insulating barrier composite action have good flameproof effect.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (10)
1. a high-strength anti-flaming fire proof power cable, it is characterized in that, comprise Stranded cable inner core and the outer fire-retardant layer of the second organosilicon composite material coated successively of Stranded cable inner core, ceramic fibre fire resistant belt, second nano flame retardant insulating barrier and fire-retardant oversheath, cable inner core described in multiply is intervally arranged radially centered by the reinforcement of this high-strength anti-flaming fire proof power cable center setting, per share described cable inner core includes conductor cores group, and the conductor cores group fire-retardant layer of the first organosilicon composite material coated successively and the first nano flame retardant insulating barrier outward, described conductor cores group is by the ultra-fine soft aluminium wire outsourcing perfluoroethylene-propylene extrusion molding of multiply high strength 99.99% anaerobic annealing nickel plating, at Stranded cable inner core each other, and between cable inner core and the fire-retardant layer of the second organosilicon composite material all flame-retardant filler is filled with, a ground connection core is also provided with between described second nano flame retardant insulating barrier,
Described flame-retardant filler according to the component of weight portion is: expanded vermiculite 100-150 part, micron order kaolin 50-100 part, hydrotalcite 30-50 part, Firebrake ZB 10-20 part, nano-silicon nitride 5-15 part, glass fibre 10-25 part, polyether modified silicon oil 15-25 part, powdered whiting 5-15 part, kish 10-20 part;
The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 30-60 part, nano-silicon nitride 10-20 part, sodium metasilicate 2-10 part, thermal decomposition graphite 10-20 part, Boratex 5-35 part, eakleite 10-30 part, steel fibre 2-8 part, silane coupler 1-10 part, carbon nano-tube 5-10 part, ferric pyrophosphate 2-8, nm-class boron nitride 2-10 part;
Described ceramic fibre fire resistant belt is bonded by one deck pottery silica gel and layer of glass, and thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.
2. a kind of high-strength anti-flaming fire proof power cable according to claim 1, it is characterized in that, described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 50-100 part, nanometer nitrogen-phosphorus expansion fire retardant 2-10 part, nano silicon oxide 2-10 part, nano mesoporous molecular screen 2-10 part, antimonous oxide 10-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part.
3. a kind of high-strength anti-flaming fire proof power cable according to claim 1, it is characterized in that, described flame-retardant filler according to the component of weight portion is: expanded vermiculite 110-140 part, micron order kaolin 60-80 part, hydrotalcite 35-45 part, Firebrake ZB 12-18 part, nano-silicon nitride 8-12 part, glass fibre 12-20 part, polyether modified silicon oil 18-22 part, powdered whiting 8-12 part, kish 12-18 part.
4. a kind of high-strength anti-flaming fire proof power cable according to claim 1, it is characterized in that, the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 40-55 part, nano-silicon nitride 12-18 part, sodium metasilicate 4-8 part, thermal decomposition graphite 12-18 part, Boratex 15-30 part, eakleite 15-25 part, steel fibre 3-7 part, silane coupler 2-8 part, carbon nano-tube 6-8 part, ferric pyrophosphate 3-6, nm-class boron nitride 3-8 part.
5. a kind of high-strength anti-flaming fire proof power cable according to claim 1, it is characterized in that, described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 60-90 part, nanometer nitrogen-phosphorus expansion fire retardant 4-8 part, nano silicon oxide 4-8 part, nano mesoporous molecular screen 3-7 part, antimonous oxide 15-25 part, plasticizer 0.5-1.2 part, Lauryl Alcohol ester 15-25 part, age resistor 2-4 part.
6. a kind of high-strength anti-flaming fire proof power cable according to claim 1, is characterized in that, described fire-retardant oversheath is identical with the material of reinforcement, adopts low-smoke non-halogen flame-retardant high-strength abrasion-proof elastomer to make.
7. according to a kind of high-strength anti-flaming fire proof power cable one of claim 1-6 Suo Shu, it is characterized in that, described flame-retardant filler according to the component of weight portion is: expanded vermiculite 125 parts, micron order kaolin 70 parts, hydrotalcite 40 parts, Firebrake ZB 15 parts, nano-silicon nitride 10 parts, 15 parts, glass fibre, polyether modified silicon oil 20 parts, powdered whiting 10 parts, kish 15 parts.
8. according to a kind of high-strength anti-flaming fire proof power cable one of claim 1-6 Suo Shu, it is characterized in that, the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon scrap 50 parts, nano-silicon nitride 15 parts, sodium metasilicate 6 parts, 15 parts, thermal decomposition graphite, Boratex 25 parts, eakleite 20 parts, steel fibre 5 parts, silane coupler 5 parts, carbon nano-tube 7 parts, ferric pyrophosphate 5, nm-class boron nitride 5 parts.
9. according to a kind of high-strength anti-flaming fire proof power cable one of claim 1-6 Suo Shu, it is characterized in that, described first nano flame retardant insulating barrier is identical with the material of the second nano flame retardant insulating barrier, according to the component of weight portion is: water-borne acrylic resin 70 parts, nanometer nitrogen-phosphorus expansion fire retardant 6 parts, nano silicon oxide 6 parts, nano mesoporous molecular screen 5 parts, antimonous oxide 20 parts, 1 part, plasticizer, Lauryl Alcohol ester 20 parts, 3 parts, age resistor.
10. a manufacture method for a kind of high-strength anti-flaming fire proof power cable as described in one of claim 1-9, concrete steps are:
(1) adopt several conductor strand to become a conductor cores group, then adopt double-layer coextrusion technique at conductor cores the group outer fire-retardant layer of coated first organosilicon composite material and the first nano flame retardant insulating barrier successively from inside to outside; Namely unit cable inner core is obtained;
(2) several cables inner core is plied to one total cable around the reinforcement at center, and with expressing technique coated flame-retardant filler outside one total cable, then adopts around-packing technology at the outer fire-retardant layer of wrapped second organosilicon composite material of flame-retardant filler;
(3) three-layer co-extruded technique is adopted, at the fire-retardant layer of the second organosilicon composite material outer coating ceramic fibre fire-proof band, the second nano flame retardant insulating barrier and fire-retardant oversheath successively from inside to outside; Namely a kind of high-strength anti-flaming fire proof power cable is obtained.
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| CN201510625639.3A Pending CN105225752A (en) | 2015-09-28 | 2015-09-28 | A kind of high-strength anti-flaming fire proof power cable and preparation method thereof |
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| CN (1) | CN105225752A (en) |
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| CN106674795A (en) * | 2016-11-17 | 2017-05-17 | 铜陵信邦实业有限公司 | Wearing-resistant fireproof lead |
| CN107123475A (en) * | 2017-04-27 | 2017-09-01 | 上海喆之信息科技有限公司 | A kind of fire resisting environment-friendly cable |
| CN108591420A (en) * | 2018-05-08 | 2018-09-28 | 苏州爽爽信息科技有限公司 | A kind of double transmission grinding worms of automatic lubrication type |
| CN109273154A (en) * | 2018-08-02 | 2019-01-25 | 安徽扬子线缆有限公司 | A kind of high fire-retardance high durable cable and preparation method thereof |
| CN109461531A (en) * | 2018-11-29 | 2019-03-12 | 广州番禺电缆集团有限公司 | A kind of intelligent early-warning type fire-proof and water-proof flame retardant cable |
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Application publication date: 20160106 |