CN111653393A - Fire-resistant damp-proof cable for subway - Google Patents
Fire-resistant damp-proof cable for subway Download PDFInfo
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- CN111653393A CN111653393A CN202010552536.XA CN202010552536A CN111653393A CN 111653393 A CN111653393 A CN 111653393A CN 202010552536 A CN202010552536 A CN 202010552536A CN 111653393 A CN111653393 A CN 111653393A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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Abstract
The invention relates to the technical field of electric wires and cables, in particular to a fire-resistant and damp-proof subway cable. This fire-resistant damp-proof cable for subway includes a plurality of cable cores, and the cable core outside has set gradually insulating layer, shielding layer, inoxidizing coating and flame retardant coating, and the cable core setting is in separating the fire support, separates the fire support and fixes on the water blocking layer, and the outer cladding in proper order of water blocking layer has dampproof course, fire-retardant layer, elasticity isolation layer and wearing layer, separates the fire support and separates each cable core in independent cavity. Aiming at the defects of the prior art, the invention provides a fire-resistant and moisture-proof cable for a subway, which is reliable in performance, solves the problem that the existing subway cable is poor in fire-resistant and moisture-proof performance, is good in strength and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to a fire-resistant and damp-proof subway cable.
Background
Cable is a generic term for optical cables, electrical cables, and the like. Cables are used in many applications, mainly for controlling installations, connecting equipment, transmitting power, and the like. The cable used by the subway is positioned below the ground, and the underground light-transmitting and air-permeable environment is poorer than the ground surface, so that the underground is darker and wetter, most of the existing cables have poor fire resistance and are easy to catch fire; the moisture-proof effect is poor, and the corrosion and aging of the cable are easily caused; and the crushing resistance is not strong, the signal transmission is easily influenced due to the moisture in the using process, the local strength of the surface of the cable is weakened or even damaged after long-time use, the normal work of the subway can be influenced due to the damage of the cable, and the potential safety hazard is brought.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fire-resistant and moisture-proof cable for a subway, which is reliable in performance, solves the problem that the existing subway cable is poor in fire-resistant and moisture-proof performance, is good in strength and is not easy to damage.
The technical scheme of the invention is realized as follows: this fire-resistant damp-proofing cable for subway includes a plurality of cable cores, its characterized in that: the cable core outside has set gradually insulating layer, shielding layer, inoxidizing coating and flame retardant coating, the cable core sets up in separating the fire support, separate the fire support and fix on the water blocking layer, the outer cladding has dampproof course, fire-retardant layer, elasticity isolation layer and wearing layer in proper order of water blocking layer, separate the fire support and separate each cable core in independent cavity.
And a plurality of hollow flame-retardant tubes extending along the length direction of the cable core are arranged in the flame-retardant layer, and the inner tubes of the flame-retardant tubes are filled with flame retardants.
And fireproof fillers are filled in cavities between the water blocking layer and the fire insulation support and between each cable core and the fire insulation support.
The fireproof layer comprises the following raw materials in parts by weight: 40-80 parts of styrene butadiene rubber, 30-50 parts of silicone rubber, 10-20 parts of polyurethane, 3-6 parts of a silane coupling agent, 6-12 parts of glass fiber, 6-12 parts of modified alumina, 10-15 parts of kaolin, 4-10 parts of nano talcum powder, 1-9 parts of hollow glass microsphere, 5-10 parts of a plasticizer, 2-4 parts of silicone powder, 1-2 parts of a stabilizer and 2-3 parts of an accelerator.
The fireproof filler is prepared by mixing the following raw materials in parts by weight: 5-15 parts of mica powder particles, 3-10 parts of polyetherimide particles, 5-12 parts of quartz sand and 3-12 parts of ceramic powder.
The fire insulation support is made of low-smoke halogen-free polyolefin materials.
The wearing layer is carbon fiber soft glue layer, and the dampproof course is ceramic silicon rubber area, and the water blocking layer is polyurethane waterproof coating layer, and the insulating layer is synthetic mica tape, and the shielding layer is tinned copper wire braid over braid.
The flame retardant is a mixture of a methyl cellulose solution and a preservative.
The invention solves the defects in the background technology and has the following beneficial effects:
the subway cable is scientific and reasonable in structural design and high in practicability, solves the problem that the existing subway cable is poor in fireproof and moisture-proof performance, and is good in strength and not easy to damage. According to the cable core, the flame-retardant tube filled with the flame retardant is arranged in the flame-retardant layer, and the cable core is protected by the rubber flame-retardant layer in a first layer. The cable cores are separated in the independent cavities by the fire isolating support, so that the cable cores can always keep an interval, the harm caused by the fact that the adjacent cable cores are contacted with electric leakage to wipe out sparks can be avoided, the reliability of the cable is enhanced, the spread of fire can be delayed by the aid of the independent cavities, and the cable is protected on the second layer. The fireproof layer arranged outside the cable core has better fireproof and flame-retardant properties, and can protect the third layer of the cable. The fire-retardant filler filled in each independent cavity further improves the flame retardant property, thereby effectively inhibiting the fire from spreading and ensuring the safety and reliability of the subway power system. Through the water-blocking layer, can effectually prevent inside the water infiltration cable at ordinary times, protected the inner structure of cable, set up the dampproof course and can prevent that steam from corroding and leading the core, and influence the normal operating of circuit, further protected the security and the reliability of cable. Through setting up the elastic isolation layer, can guarantee that the atress of each group wire is more even among the cable distortion process, increase the compressive capacity of this cable, better the mechanicalness that has kept this cable simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-wear-resistant layer, 2-elastic isolation layer, 3-flame-retardant layer, 4-flame-retardant pipe, 5-damp-proof layer, 6-water-proof layer, 7-fire-isolating support, 8-fireproof filler, 9-fireproof layer, 10-protective layer, 11-shielding layer, 12-insulating layer and 13-cable core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The cable for the fire-resistant and moisture-proof subway shown in the figure 1 comprises a plurality of cable cores 13, wherein an insulating layer 12, a shielding layer 11, a protective layer 10 and a fireproof layer 9 are sequentially arranged on the outer side of each cable core 13, each cable core 13 is arranged in a fire isolating support 7, each fire isolating support 7 is fixed on a water isolating layer 6, each water isolating layer 6 is sequentially coated with a moisture-proof layer 5, a flame-retardant layer 3, an elastic isolating layer 2 and a wear-resistant layer 1, and each cable core 13 is separated in an independent cavity by each fire isolating support 7. A plurality of hollow flame-retardant tubes 4 extending along the length direction of the cable core 13 are arranged in the flame-retardant layer 3, and the inner tubes of the flame-retardant tubes 4 are filled with flame retardants. Fireproof fillers 8 are filled in cavities between the waterproof layer 6 and the fire insulation support 7 and between each cable core 13 and the fire insulation support 7. The fireproof layer 9 comprises the following raw materials in parts by weight: 60 parts of styrene butadiene rubber, 40 parts of silicon rubber, 15 parts of polyurethane, 5 parts of a silane coupling agent, 8 parts of glass fiber, 10 parts of modified alumina, 12 parts of kaolin, 6 parts of nano talcum powder, 5 parts of hollow glass microspheres, 7 parts of a plasticizer, 3 parts of silicone powder, 1.5 parts of a stabilizer and 2.5 parts of an accelerator. The fireproof filler 8 is prepared by mixing the following raw materials in parts by weight: 8 parts of mica powder particles, 7 parts of polyetherimide particles, 8 parts of quartz sand and 6 parts of ceramic powder. The fire insulation bracket 7 is made of low-smoke halogen-free polyolefin material. Wearing layer 1 is the carbon fiber soft glue layer, and dampproof course 5 is the silicon rubber area of pottery, and water blocking layer 6 is polyurethane waterproof coating layer, and insulating layer 12 is synthetic mica tape, and shielding layer 11 is the tinned copper wire braid over braid. The flame retardant is a mixture of methylcellulose solution and a preservative.
The preparation method of the fireproof layer 9 comprises the following steps:
1) sequentially adding the prepared styrene butadiene rubber and silicon rubber into a high-speed mixer for mixing at the temperature of 35 ℃, at the rotating speed of 600r/min and for 20-25 min to obtain a mixture A for later use;
2) continuously heating the mixture A obtained in the step 1), adding polyurethane and glass fiber when the temperature reaches 50 ℃, keeping the rotating speed at 500r/min, and continuously stirring for 10-15 min to obtain a mixture B for later use;
3) putting the prepared modified alumina, kaolin, nano talcum powder, silicone powder and hollow glass beads into a grinding machine for grinding for 15-25 min to obtain a powder mixture C;
4) putting the powder mixture C obtained in the step 3) into the mixture B obtained in the step 2, keeping the rotating speed at 1000r/min, and continuously stirring for 20-35 min to obtain a mixture D;
5) putting the mixture D obtained in the step 4) into an internal mixer, carrying out internal mixing for 20-30min at a stirring speed of 300r/min, sequentially adding an accelerator and a stabilizer, stirring for 10-20 min, raising the temperature of the internal mixer to 140 ℃, carrying out mixing for 15-25 min, and extruding to obtain a fireproof layer 9; finally, the fireproof layer 9 is coated on the outer surface of the prepared cable through a thermoplastic process. The fireproof layer 9 is combined with glass fiber, modified alumina, glass fiber, kaolin, nano talcum powder and hollow glass micro-beads under the action of styrene butadiene rubber, polyurethane and a silane coupling agent, so that the fireproof layer is good in flame retardant property, excellent in aging resistance and mechanical property, and the fireproof layer 9 achieves the flame retardant property of A level and has the characteristics of remarkable high strength and high flame retardant property.
The working process of the invention is as follows: when the cable accident was on fire, through being provided with the fire-retardant pipe 4 of cavity that a plurality of edge cable core axial extension in fire-retardant layer 3 inside, and the inside of tubule is filled with the fire retardant, and when the cable received the burning from outside flame, fire-retardant layer 3 can effectually slow down the burning rate of flame, carries out the first layer protection to the cable core through the fire-retardant layer of rubber. Meanwhile, the flame retardant is a methyl cellulose solution, and the heat dissipation effect of the cable can be enhanced by the methyl cellulose solution in a cooling state; when the conflagration breaing out, fire-retardant layer 3 of intense fire ignition, methylcellulose solution heat absorption, when the temperature reaches fifty to seventy degrees, methylcellulose solution will solidify and form the colloid for fire-retardant layer 3 can be isolated flame, is favorable to reducing the fire prevention cable and is damaged by the intense fire, and after the mixture cooling, methylcellulose will become liquid again, continues to promote fire prevention cable's heat dissipation. Each cable core 13 is separated in the independent cavity by the fire isolating support 7, so that the cable cores are always kept at intervals, the harm caused by the fact that the adjacent cable cores are contacted with electric leakage to wipe out sparks can be avoided, the reliability of the cable is enhanced, the spread of fire can be delayed by the aid of the independent cavities, and the cable is protected on the second layer. The fireproof layer 9 arranged outside the cable core 13 has good fireproof and flame-retardant performances, and is used for protecting the third layer of the cable. In addition, the fireproof filler 8 filled in the cavities between the waterproof layer 6 and the fire insulation support 7 and between each cable core 13 and the fire insulation support 7 further improves the flame retardant property, thereby effectively inhibiting the fire from spreading and ensuring the safety and reliability of the subway electric power system. Through water blocking layer 6, can effectually prevent inside the water infiltration cable at ordinary times, protected the inner structure of cable, set up dampproof course 5 and can prevent that steam from corroding and leading the core, and influence the normal operating of circuit, further protected the security and the reliability of cable. Through setting up elastic isolation layer 2, polyurethane is filled to elastic isolation layer 2, fills the effect ideal, can guarantee that the atress of each group wire is more even among the cable distortion process, has increased the compressive capacity of this cable, simultaneously better the mechanicalness that has kept this cable. The carbon fiber flexible glue wear-resistant layer 1 arranged on the surface of the cable can improve the wear resistance and corrosion resistance of the cable.
Example 2
The cable for the fire-resistant and moisture-proof subway shown in the figure 1 comprises a plurality of cable cores 13, wherein an insulating layer 12, a shielding layer 11, a protective layer 10 and a fireproof layer 9 are sequentially arranged on the outer side of each cable core 13, each cable core 13 is arranged in a fire isolating support 7, each fire isolating support 7 is fixed on a water isolating layer 6, each water isolating layer 6 is sequentially coated with a moisture-proof layer 5, a flame-retardant layer 3, an elastic isolating layer 2 and a wear-resistant layer 1, and each cable core 13 is separated in an independent cavity by each fire isolating support 7. A plurality of hollow flame-retardant tubes 4 extending along the length direction of the cable core 13 are arranged in the flame-retardant layer 3, and the inner tubes of the flame-retardant tubes 4 are filled with flame retardants. Fireproof fillers 8 are filled in cavities between the waterproof layer 6 and the fire insulation support 7 and between each cable core 13 and the fire insulation support 7. The fireproof layer 9 comprises the following raw materials in parts by weight: 40 parts of styrene butadiene rubber, 30 parts of silicon rubber, 10 parts of polyurethane, 3 parts of a silane coupling agent, 6 parts of glass fiber, 6 parts of modified alumina, 10 parts of kaolin, 4 parts of nano talcum powder, 1 part of hollow glass microsphere, 5 parts of plasticizer, 2 parts of silicone powder, 1 part of stabilizer and 2 parts of accelerator. The fireproof filler 8 is prepared by mixing the following raw materials in parts by weight: 5-15 parts of mica powder particles, 3 parts of polyetherimide particles, 5 parts of quartz sand and 3 parts of ceramic powder. The fire insulation bracket 7 is made of low-smoke halogen-free polyolefin material. Wearing layer 1 is the carbon fiber soft glue layer, and dampproof course 5 is the silicon rubber area of pottery, and water blocking layer 6 is polyurethane waterproof coating layer, and insulating layer 12 is synthetic mica tape, and shielding layer 11 is the tinned copper wire braid over braid. The flame retardant is a mixture of methylcellulose solution and a preservative.
Example 3
The cable for the fire-resistant and moisture-proof subway shown in the figure 1 comprises a plurality of cable cores 13, wherein an insulating layer 12, a shielding layer 11, a protective layer 10 and a fireproof layer 9 are sequentially arranged on the outer side of each cable core 13, each cable core 13 is arranged in a fire isolating support 7, each fire isolating support 7 is fixed on a water isolating layer 6, each water isolating layer 6 is sequentially coated with a moisture-proof layer 5, a flame-retardant layer 3, an elastic isolating layer 2 and a wear-resistant layer 1, and each cable core 13 is separated in an independent cavity by each fire isolating support 7. A plurality of hollow flame-retardant tubes 4 extending along the length direction of the cable core 13 are arranged in the flame-retardant layer 3, and the inner tubes of the flame-retardant tubes 4 are filled with flame retardants. Fireproof fillers 8 are filled in cavities between the waterproof layer 6 and the fire insulation support 7 and between each cable core 13 and the fire insulation support 7. The fireproof layer 9 comprises the following raw materials in parts by weight: 80 parts of styrene butadiene rubber, 50 parts of silicon rubber, 20 parts of polyurethane, 6 parts of silane coupling agent, 12 parts of glass fiber, 12 parts of modified alumina, 15 parts of kaolin, 10 parts of nano talcum powder, 9 parts of hollow glass microsphere, 10 parts of plasticizer, 4 parts of silicone powder, 2 parts of stabilizer and 3 parts of accelerator. The fireproof filler 8 is prepared by mixing the following raw materials in parts by weight: 15 parts of mica powder particles, 10 parts of polyetherimide particles, 12 parts of quartz sand and 12 parts of ceramic powder. The fire insulation bracket 7 is made of low-smoke halogen-free polyolefin material. Wearing layer 1 is the carbon fiber soft glue layer, and dampproof course 5 is the silicon rubber area of pottery, and water blocking layer 6 is polyurethane waterproof coating layer, and insulating layer 12 is synthetic mica tape, and shielding layer 11 is the tinned copper wire braid over braid. The flame retardant is a mixture of methylcellulose solution and a preservative.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a fire-resistant damp-proofing cable for subway, includes a plurality of cable cores (13), its characterized in that: the utility model discloses a fire-retardant cable core, including cable core (13), cable core (13) outside has set gradually insulating layer (12), shielding layer (11), inoxidizing coating (10) and flame retardant coating (9), cable core (13) set up in separating fire support (7), it fixes on water blocking layer (6) to separate fire support (7), water blocking layer (6) outer cladding has dampproof course (5), fire-retardant layer (3), elastic isolation layer (2) and wearing layer (1) in proper order, it separates each cable core (13) in independent cavity to separate fire support (7).
2. The fire-resistant and moisture-proof subway cable according to claim 1, wherein: the cable is characterized in that a plurality of hollow flame-retardant tubes (4) extending along the length direction of the cable core (13) are arranged in the flame-retardant layer (3), and flame retardants are filled in inner tubes of the flame-retardant tubes (4).
3. The fire-resistant and moisture-proof subway cable according to claim 1 or 2, wherein: and fireproof fillers (8) are filled in a cavity between the water-blocking layer (6) and the fire-isolating support (7) and between each cable core (13) and the fire-isolating support (7).
4. The fire-resistant and moisture-proof subway cable according to claim 1, wherein: the fireproof layer (9) comprises the following raw materials in parts by weight: 40-80 parts of styrene butadiene rubber, 30-50 parts of silicone rubber, 10-20 parts of polyurethane, 3-6 parts of a silane coupling agent, 6-12 parts of glass fiber, 6-12 parts of modified alumina, 10-15 parts of kaolin, 4-10 parts of nano talcum powder, 1-9 parts of hollow glass microsphere, 5-10 parts of a plasticizer, 2-4 parts of silicone powder, 1-2 parts of a stabilizer and 2-3 parts of an accelerator.
5. The fire-resistant and moisture-proof subway cable according to claim 3, wherein: the fireproof filler (8) is prepared by mixing the following raw materials in parts by weight: 5-15 parts of mica powder particles, 3-10 parts of polyetherimide particles, 5-12 parts of quartz sand and 3-12 parts of ceramic powder.
6. The fire-resistant and moisture-proof subway cable according to claim 3, wherein: the fire insulation support (7) is made of low-smoke halogen-free polyolefin material.
7. The fire-resistant and moisture-proof subway cable according to claim 1, wherein: the wear-resistant layer (1) is a carbon fiber soft adhesive layer, the moisture-proof layer (5) is a ceramic silicon rubber tape, the water-proof layer (6) is a polyurethane waterproof coating layer, the insulating layer (12) is a synthetic mica tape, and the shielding layer (11) is a tinned copper wire woven belt.
8. The fire-resistant and moisture-proof subway cable according to claim 2, wherein: the flame retardant is a mixture of a methyl cellulose solution and a preservative.
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CN202010552536.XA CN111653393A (en) | 2020-06-17 | 2020-06-17 | Fire-resistant damp-proof cable for subway |
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CN202010552536.XA CN111653393A (en) | 2020-06-17 | 2020-06-17 | Fire-resistant damp-proof cable for subway |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113436790A (en) * | 2021-06-18 | 2021-09-24 | 云南龙源电缆有限公司 | Efficient energy-saving flame-retardant cable and preparation method thereof |
CN113990575A (en) * | 2021-10-29 | 2022-01-28 | 江苏安胜电缆有限公司 | Special fire-fighting dual-flame-retardant power cable |
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CN206441552U (en) * | 2017-01-20 | 2017-08-25 | 沈一线缆有限公司 | A kind of fireproof cable |
JP2018088364A (en) * | 2016-11-29 | 2018-06-07 | タツタ電線株式会社 | Water-resistant flame-retardant non-halogen sheath high-voltage cable |
CN109300604A (en) * | 2018-10-30 | 2019-02-01 | 李涵 | A kind of fireproof cable |
CN109438986A (en) * | 2018-09-07 | 2019-03-08 | 安徽华网电缆有限公司 | A kind of highly effective flame-retardant, wear-resisting Metro Cable and preparation method thereof |
CN210443321U (en) * | 2019-09-09 | 2020-05-01 | 江苏启盛线缆有限公司 | Fire-resistant damp-proof cable for subway |
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JP2018088364A (en) * | 2016-11-29 | 2018-06-07 | タツタ電線株式会社 | Water-resistant flame-retardant non-halogen sheath high-voltage cable |
CN206441552U (en) * | 2017-01-20 | 2017-08-25 | 沈一线缆有限公司 | A kind of fireproof cable |
CN109438986A (en) * | 2018-09-07 | 2019-03-08 | 安徽华网电缆有限公司 | A kind of highly effective flame-retardant, wear-resisting Metro Cable and preparation method thereof |
CN109300604A (en) * | 2018-10-30 | 2019-02-01 | 李涵 | A kind of fireproof cable |
CN210443321U (en) * | 2019-09-09 | 2020-05-01 | 江苏启盛线缆有限公司 | Fire-resistant damp-proof cable for subway |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113436790A (en) * | 2021-06-18 | 2021-09-24 | 云南龙源电缆有限公司 | Efficient energy-saving flame-retardant cable and preparation method thereof |
CN113990575A (en) * | 2021-10-29 | 2022-01-28 | 江苏安胜电缆有限公司 | Special fire-fighting dual-flame-retardant power cable |
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