CN105047268B - Inorganic fireproof covering type mineral insulative soft fireproof cable - Google Patents
Inorganic fireproof covering type mineral insulative soft fireproof cable Download PDFInfo
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- CN105047268B CN105047268B CN201510606127.2A CN201510606127A CN105047268B CN 105047268 B CN105047268 B CN 105047268B CN 201510606127 A CN201510606127 A CN 201510606127A CN 105047268 B CN105047268 B CN 105047268B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses an inorganic fireproof covering type mineral insulative soft fireproof cable. The cable comprises a wire, inorganic heat insulation fireproof packing, and aluminum plastic compound tape waterproof layer and a low smoke zero halogen outer protecting covering, wherein the wire is arranged inside a thermal insulating layer and is wrapped with an inorganic composite insulative layer, the space between the inorganic composite insulative layer and the thermal insulating layer is filled with the inorganic heat insulation fireproof packing, and the outer peripheral surface of the thermal insulating layer is wrapped with the aluminum plastic compound tape waterproof layer and the low smoke zero halogen outer protecting covering; an inorganic fireproof covering is arranged between the aluminum plastic compound tape waterproof layer and the low smoke zero halogen outer protecting covering, the inorganic fireproof covering is made of a glass fiber woven belt wrapping on the outer peripheral surface of the aluminum plastic compound tape waterproof layer and mixed glue coating on the surface of the glass fiber woven belt, and the inorganic fireproof covering is made by heating and curing at the temperature at 90 DEG C to 95 DEG C for 3-5 hours. The cable has the advantages that the fireproof properties of mineral insulative cables are achieved, the production process is simple, the cable can be produced into arbitrary length segments, the specifications are various, high strength and good flexibility are achieved, and the installation and laying are convenient.
Description
Technical field
The present invention relates to fireproof cable, more particularly, to inorganic fire set type mineral insulating flexible fireproof cable.
Background technology
At present, both at home and abroad the fireproof cable structure of manufacture mainly has：1st, invention is exhausted in the MI type mineral of the nineties in 19th century
Edge cable（That is BTT fire resistings copper pipe wiring）；2nd, the wrapped insulating polymeric material of fireproof mica coats fire-resisting cable（NH types）；
3rd, fire prevention aluminum pipe separation sleeve type fireproof cable（NG types）.
For MI type mineral insulated cables, due to causing copper consumption to increase using copper sheath, production cost increase；Furthermore adopt
Complicated with drawing copper tubes technical matters, equipment investment is big；Major diameter, the production of long length section are difficult in addition, while there is electricity
Cable is especially hard so that laying installation, joint are all cumbersome.
For the wrapped insulating polymeric material of fireproof mica coats fire-resisting cable（NH types）Although, manufacturing process it is simple and into
This is relatively low, but the security reliability under 750 DEG C of -800 DEG C of flames is stable not as good as MI types mineral insulated cable, and electrical breakdown rate is very
Height, therefore it is unsuitable for the higher place of safety requirements.
For fire prevention aluminum pipe separation sleeve type fireproof cable（NG types）, because the fusing point for adopting aluminium set, aluminium only has 660 DEG C, institute
Can not be too high with refractory temperature, and suppleness is poor, installs inconvenient.
The content of the invention
Present invention aim at providing a kind of inorganic fire set type mineral insulating flexible fireproof cable.
For achieving the above object, the present invention takes following technical proposals：
Inorganic fire set type mineral insulating flexible fireproof cable of the present invention, including being arranged in thermal insulation layer, wrapped
There is the wire of inorganic composite insulation layer, be filled in the fire prevention of the inorganic thermal insulation between the inorganic compounding insulating barrier and thermal insulation layer and fill out
Material, wrapped aluminium-plastic tape waterproof layer and low smoke and zero halogen oversheath in thermal insulation layer outer peripheral face；It is anti-positioned at the aluminium-plastic tape
Inorganic fire set is provided between water layer and low smoke and zero halogen oversheath, the inorganic fire set is by wrapped in aluminium-plastic tape waterproof
The woven fiberglass tape of layer outer peripheral face and the mixed mortar for being coated in the woven fiberglass tape surface, Jing 90 DEG C～95
DEG C, 3～5h is heating and curing and makes；The mixed mortar, according to mass percent meter, is to be equal to or more than 320 purposes by granularity
The inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% is mixed and made；The inorganic compounding insulating barrier is fine by alkali-free glass
Dimension band adds for 180 DEG C with the alkali-free glass fibre is coated in the synthesis glue-line Jing that inner and outer surfaces thickness is 0.08～0.10mm
The min of heat cure 10～20 makes；The synthesis rubber polymer that uses of glue-line, in percentage by weight, be equal to by granularity or
More than the organic silicon modified epoxy of the ceramic powder 15%～25%, 5% that the glass dust 5%～15%, granularity of 500 mesh is equal to or more than 320 mesh
Oxygen tackifier resin, 65%～70% porcelain SiClx glue, blended rolling is made；The inorganic thermal insulation fire-proof packing is by filament diameter
The glass fiber of 2-30 microns is made.
During actual manufacture, the mixed mortar in fireproof cable of the present invention is to be equal to 320 by granularity in percentage by weight
The inorganic silicic acid magnalium colloidal solution of purpose ceramic powder 30% and 70% is mixed and made；The rubber polymer that synthesis glue-line is used, according to
Percentage by weight meter, is the organosilicon of the ceramic powder 25%, 5% that the glass dust 5%, granularity for being equal to 500 mesh by granularity is equal to 320 mesh
Modified epoxy tackifier, 65% porcelain SiClx glue, blended rolling is made；Inorganic thermal insulation fire-proof packing is micro- by filament diameter 2
The glass fiber of rice is made；For manufacturing computer fireproof cable insulating barrier.
During actual manufacture, the mixed mortar in fireproof cable of the present invention in percentage by weight, also can be equal to by granularity
The inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% of 370 mesh is mixed and made；The synthesis that the synthesis glue-line is used
Glue, is ceramic powder 15%, 5% of the glass dust 10%, granularity equal to 370 mesh that 550 mesh are equal to by granularity in percentage by weight
Modifying epoxy resin by organosilicon tackifier, 70% porcelain SiClx glue, blended rolling make；The inorganic thermal insulation fire-proof packing
It is made up of 20 microns of glass fiber of filament diameter；For control and signal flexible fire-proof cable insulating barrier.
During actual manufacture, the mixed mortar in fireproof cable of the present invention in percentage by weight, can be also equal to by granularity
The inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% of 420 mesh is mixed and made；The synthesis that the synthesis glue-line is used
Glue, is ceramic powder 16%, 5% of the glass dust 13%, granularity equal to 420 mesh that 600 mesh are equal to by granularity in percentage by weight
Modifying epoxy resin by organosilicon tackifier, 66% porcelain SiClx glue, blended rolling make；The inorganic thermal insulation fire-proof packing
It is made up of 30 microns of glass fiber of filament diameter；For manufacturing low-voltage power control and signal fireproof cable insulating barrier.
The invention has the advantages that the fire performance with type mineral insulated cable, simple production process, random length Duan Sheng
Produce, multi-size, and with high intensity and good pliability, mounting and installation is convenient.Its advantage is embodied in following
Several respects：
1st, inorganic compounding insulating barrier fusing point is 1375 DEG C, and heatproof may be up to 1020 DEG C, due to without organic polymer insulation
Material, so as to exclude the generation of carbon granules, improves resistance to electrical stability.Meet the simple fire resistance test of National Fire design specification standard
（C classes）, i.e.,：Apply under rated voltage for 950 DEG C of fire, 180min flame combustions sample, electrical current 3A fuses do not fuse；Spray
Water fire resistance test（W classes）, i.e.,：For 650 DEG C of fire, Water spray 15min flame combustions sample is added to apply under rated voltage, electrical current
3A fuses do not fuse；Band impact fire resistance test（Z classes）, i.e.,：For 950 DEG C of fire, apply mechanical shock by fire 15min flame combustions
Sample applies under rated voltage, and electrical current 3A fuses do not fuse.
2nd, inorganic fire set does not contain organic component, does not burn, and hard ceramic shape shell is formed when by high-temperature flame
Body, with fire prevention, effect of heat insulation, can be effectively protected the insulation of cable, it is ensured that cable normally runs under fire condition.
When the 3rd, laying need not separately poling, directly lay, and with good fire prevention, waterproof, protecting against shock function.
4th, with protection against rodents, anti-ant, radiation proof function, cable good stability, long service life.
5th, temperature resistant grade is high, and combined closure system is big, and anti-overload ability is strong, safe.
6th, inorganic constituents accounts for more than 90% in the cable insulation material, and fuel value is low, and smoke amount is little, and light transmittance is more than 80%.
7th, high mechanical strength, though there is a certain degree of deformation and remain to normal work in cable, and by violent machine
Tool will not also damage its electrical property when destroying, and improve cable combined closure system.
Description of the drawings
Fig. 1 is the section structure schematic diagram of fireproof cable of the present invention.
Specific embodiment
As shown in figure 1, inorganic fire set type mineral insulating flexible fireproof cable of the present invention, heat-insulated including being arranged on
Layer 1 is interior, be surrounded with the three of the wires 3 of inorganic compounding insulating barrier 2, the nothing being filled between inorganic compounding insulating barrier 2 and thermal insulation layer 1
Machine heat-insulating, fire-preventing filler 4, it is wrapped to protect outside the aluminium-plastic tape waterproof layer 5 and saffron low smoke and zero halogen of the outer peripheral face of thermal insulation layer 1
Set 6；Be provided between aluminium-plastic tape waterproof layer 5 and low smoke and zero halogen oversheath 6 inorganic fire set 7, inorganic fire set 7 by
The wrapped woven fiberglass tape in the outer peripheral face of aluminium-plastic tape waterproof layer 5, and it is coated in the mixed of woven fiberglass tape surface
Rubber alloy 90 DEG C～95 DEG C of Jing of slurry, 3～5h are heating and curing and make；Mixed mortar in percentage by weight, by granularity 320 is equal to
The inorganic silicic acid magnalium colloidal solution of purpose ceramic powder 30% and 70% is mixed and made；The rubber polymer that synthesis glue-line is used, according to
Percentage by weight meter, the organosilicon of the ceramic powder 25%, 5% that the glass dust 5%, granularity for being equal to 500 mesh by granularity is equal to 320 mesh changes
Property epoxy resin tackifier, 65% porcelain SiClx glue, blended rolling is made；Inorganic thermal insulation fire-proof packing 4 is micro- by filament diameter 2
The glass fiber of rice is made.
Certainly, in actually manufacture, the proportioning of mixed mortar, the selection of glass fiber filament diameter, rubber polymer are matched somebody with somebody
Than selecting in the range of the present invention is announced, it is also possible to reach its flameproof effect.
Such as, mixed mortar in percentage by weight, may be selected inorganic equal to the ceramic powder 30% and 70% of 370 mesh by granularity
Colloidal magnesium aluminum silicate solution is mixed and made；The rubber polymer that synthesis glue-line is used, in percentage by weight, is equal to by granularity
The glass dust 10%, granularity of 550 mesh be equal to the modifying epoxy resin by organosilicon tackifier of the ceramic powder 15%, 5% of 370 mesh, 70%
Porcelain SiClx glue, blended rolling is made；Inorganic thermal insulation fire-proof packing 4 is made up of the glass fiber of 20 microns of filament diameter.
Or, selecting the inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% for being equal to 420 mesh by granularity to mix system
Into；The rubber polymer that synthesis glue-line is used, in percentage by weight, the glass dust 13%, granularity for being equal to 600 mesh by granularity is equal to
The modifying epoxy resin by organosilicon tackifier of the ceramic powder 16%, 5% of 420 mesh, 66% porcelain SiClx glue, blended rolling is made；Nothing
Machine heat-insulating, fire-preventing filler 4 is made up of the glass fiber of 30 microns of filament diameter.
Claims (4)
1. a kind of inorganic fire set type mineral insulating flexible fireproof cable, including being arranged in thermal insulation layer, be surrounded with inorganic compounding
The wire of insulating barrier, the inorganic thermal insulation fire-proof packing being filled between the inorganic compounding insulating barrier and thermal insulation layer, it is wrapped every
The aluminium-plastic tape waterproof layer and low smoke and zero halogen oversheath of thermosphere outer peripheral face；It is characterized in that：It is anti-positioned at the aluminium-plastic tape
Inorganic fire set is provided between water layer and low smoke and zero halogen oversheath, the inorganic fire set is by wrapped in aluminium-plastic tape waterproof
The woven fiberglass tape of layer outer peripheral face and the mixed mortar for being coated in the woven fiberglass tape surface, Jing 90 DEG C～95
DEG C, 3～5h is heating and curing and makes；The mixed mortar, according to mass percent meter, is to be equal to or more than 320 purposes by granularity
The inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% is mixed and made；The inorganic compounding insulating barrier is fine by alkali-free glass
Dimension band adds for 180 DEG C with the alkali-free glass fibre is coated in the synthesis glue-line Jing that inner and outer surfaces thickness is 0.10～0.30mm
The min of heat cure 10～20 makes；The synthesis rubber polymer that uses of glue-line, according to mass percent meter, be equal to by granularity or
More than the organic silicon modified epoxy of the ceramic powder 15%～25%, 5% that the glass dust 5%～15%, granularity of 500 mesh is equal to or more than 320 mesh
Oxygen tackifier resin, 65%～70% porcelain SiClx glue, blended rolling is made；The inorganic thermal insulation fire-proof packing is by filament diameter
The glass fiber of 2-30 microns is made.
2. inorganic fire set type mineral insulating flexible fireproof cable according to claim 1, it is characterised in that：The mixing
Rubber cement is that the inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% for being equal to 320 mesh by granularity is mixed in percentage by weight
Close stirring to make；The rubber polymer that the synthesis glue-line is used, is the glass that 500 mesh are equal to by granularity according to mass percent meter
Powder 5%, granularity is equal to modifying epoxy resin by organosilicon tackifier, the 65% porcelain SiClx glue of the ceramic powder 25%, 5% of 320 mesh, and Jing is mixed
Conjunction is rolled makes；The inorganic thermal insulation fire-proof packing is made up of the glass fiber of 2 microns of filament diameter.
3. inorganic fire set type mineral insulating flexible fireproof cable according to claim 1, it is characterised in that：The mixing
Rubber cement is that the inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% for being equal to 370 mesh by granularity is mixed in percentage by weight
Close stirring to make；The rubber polymer that the synthesis glue-line is used, is the glass that 550 mesh are equal to by granularity in percentage by weight
Powder 10%, granularity is equal to modifying epoxy resin by organosilicon tackifier, the 70% porcelain SiClx glue of the ceramic powder 15%, 5% of 370 mesh, Jing
Mixing is rolled makes；The inorganic thermal insulation fire-proof packing is made up of the glass fiber of 20 microns of filament diameter.
4. inorganic fire set type mineral insulating flexible fireproof cable according to claim 1, it is characterised in that：The mixing
Rubber cement is that the inorganic silicic acid magnalium colloidal solution of ceramic powder 30% and 70% for being equal to 420 mesh by granularity is mixed in percentage by weight
Close stirring to make；The rubber polymer that the synthesis glue-line is used, is the glass that 600 mesh are equal to by granularity in percentage by weight
Powder 13%, granularity is equal to modifying epoxy resin by organosilicon tackifier, the 66% porcelain SiClx glue of the ceramic powder 16%, 5% of 420 mesh, Jing
Mixing is rolled makes；The inorganic thermal insulation fire-proof packing is made up of the glass fiber of 30 microns of filament diameter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606127.2A CN105047268B (en) | 2015-09-22 | 2015-09-22 | Inorganic fireproof covering type mineral insulative soft fireproof cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606127.2A CN105047268B (en) | 2015-09-22 | 2015-09-22 | Inorganic fireproof covering type mineral insulative soft fireproof cable |
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| CN105047268A CN105047268A (en) | 2015-11-11 |
| CN105047268B true CN105047268B (en) | 2017-05-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063013A (en) * | 2018-02-01 | 2018-05-22 | 安徽瑞之星电缆集团有限公司 | A kind of flexible mineral insulation aluminum metallic sheath fire-resisting cable |
| CN110853814A (en) * | 2019-11-28 | 2020-02-28 | 徐州蓝格数字科技有限公司 | Information interference-free cable structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0708455A1 (en) * | 1994-10-20 | 1996-04-24 | Dätwyler AG | Flame-retardant composition for manufacturing of electrical cables with insulation and/or functioning continuation |
| CN102842370A (en) * | 2012-09-14 | 2012-12-26 | 河南华泰特种电缆有限公司 | Environment-friendly composite functional flexible fireproof cable |
| CN103539353A (en) * | 2013-09-27 | 2014-01-29 | 昆山市奋发绝缘材料有限公司 | Pressure-proof insulating material |
-
2015
- 2015-09-22 CN CN201510606127.2A patent/CN105047268B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0708455A1 (en) * | 1994-10-20 | 1996-04-24 | Dätwyler AG | Flame-retardant composition for manufacturing of electrical cables with insulation and/or functioning continuation |
| CN102842370A (en) * | 2012-09-14 | 2012-12-26 | 河南华泰特种电缆有限公司 | Environment-friendly composite functional flexible fireproof cable |
| CN103539353A (en) * | 2013-09-27 | 2014-01-29 | 昆山市奋发绝缘材料有限公司 | Pressure-proof insulating material |
Non-Patent Citations (1)
| Title |
|---|
| 硅酸铝镁增塑剂的应用;姬素荣等;《全国工业矿物原料深加工及综合开发利用学术讨论会》;重庆大学出版社;19930430;229-230页 * |
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