CN113838605A - Cable fireproof and explosion-proof protective belt and preparation method thereof - Google Patents
Cable fireproof and explosion-proof protective belt and preparation method thereof Download PDFInfo
- Publication number
- CN113838605A CN113838605A CN202111110315.8A CN202111110315A CN113838605A CN 113838605 A CN113838605 A CN 113838605A CN 202111110315 A CN202111110315 A CN 202111110315A CN 113838605 A CN113838605 A CN 113838605A
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- Prior art keywords
- layer
- explosion
- fireproof
- belt
- cable
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Classifications
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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
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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
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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
Abstract
The invention relates to the technical field of cable protection, in particular to a cable fireproof and explosion-proof protective belt and a preparation method thereof. The thickness of the ceramic fiber woven cloth layer is 0.5-2 mm. The thickness of the stainless steel thin steel belt layer is 0.3-0.5 mm. The aramid cloth layer is made of aramid cloth materials with twisting performance. The gram weight of the aramid cloth layer is 280g/m 2. The protective belt is powered for 60min at 750 ℃ and does not have a breakdown phenomenon at 8.7KV, and the protective belt prepared by sequentially comprising a ceramic fiber woven cloth layer, a stainless steel thin steel belt layer, an aramid cloth layer and a special high polymer material fireproof layer from inside to outside is powered for 60min at 750 ℃ and does not have a breakdown phenomenon at 8.7KV, and meanwhile, the protective belt is excellent in fireproof and explosion-proof performance.
Description
Technical Field
The invention relates to the technical field of cable protection, in particular to a cable fireproof and explosion-proof protective belt and a preparation method thereof.
Background
With the rapid development of the national high-tech industry, China gradually goes on a novel industrialized road, and in order to adapt to market development, corresponding explosion-proof electrical equipment is greatly increased, which puts forward more demands on the explosion-proof electrical equipment, but the development of matched auxiliary materials such as explosion-proof cables and the like is delayed all the time. The explosion-proof cable mainly meets the following explosion-proof requirements: on one hand, the cable can work in a high-temperature environment of 180 ℃ for a long time; on the other hand, the special gas extreme can meet the requirement of normal work in a high-pressure steam environment at the temperature of over 180 ℃ in a short time.
The protective belt structure of the existing cable is generally composed of an insulating layer, the insulating layer is generally made of PVC (polyvinyl chloride) or XLPE (cross linked polyethylene) materials, and the insulating layer made of the PVC polyvinyl chloride or XLPE materials is poor in high-temperature resistance, poor in safety and reliability, short in service life and low in cost performance. Therefore, it is necessary to develop a cable fire-proof and explosion-proof protection tape and a preparation method thereof to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cable fireproof and explosion-proof protective belt and a preparation method thereof, the protective belt sequentially comprises a ceramic fiber woven fabric layer, a stainless steel thin steel belt layer, an aramid fiber fabric layer and a special high polymer material fireproof layer from inside to outside, the protective belt prepared by the method is supplied with power for 60min at 750 ℃, the breakdown phenomenon does not occur at 8.7KV, and meanwhile, the fireproof and explosion-proof performance of the protective belt is excellent.
The invention is realized by the following technical scheme:
a cable fire-proof and explosion-proof protective belt sequentially comprises a ceramic fiber woven fabric layer, a stainless steel thin steel belt layer, an aramid fabric layer and a special high polymer material fireproof layer from inside to outside.
Preferably, the thickness of the ceramic fiber woven cloth layer is 0.5-2 mm.
Preferably, the stainless steel thin steel strip layer is provided to a thickness of 0.3 to 0.5 mm.
Preferably, the aramid cloth layer is made of an aramid cloth material with twisting property.
Preferably, the gram weight of the aramid cloth layer is 280g/m 2.
Preferably, the protective belt is powered for 60min at 750 ℃, and the breakdown phenomenon does not occur under 8.7 KV.
The invention also provides the following technical scheme: according to the preparation method of the cable fireproof and explosion-proof protective belt, the ceramic fiber woven fabric layer, the stainless steel thin steel belt layer and the aramid fiber fabric layer are pressed and bonded into a whole through the flame-retardant adhesive, then the bonded and bonded composite is coated on the outer sides of the cable and the joint of the cable, and then the special high polymer material fireproof layer is coated on the outer layer of the composite, so that the tubular protective belt with fireproof and explosion-proof performances is formed.
The invention has the beneficial effects that:
by adopting the design and the use of the structure, the protective belt sequentially comprises a ceramic fiber woven cloth layer, a stainless steel thin steel belt layer, an aramid fiber cloth layer and a special high polymer material fireproof layer from inside to outside, the protective belt prepared by the invention supplies power for 60min at 750 ℃, does not have breakdown phenomenon at 8.7KV, and has excellent fireproof and explosion-proof performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural sectional view of the present invention.
In the figure: 1-ceramic fiber woven cloth layer, 2-stainless steel thin steel belt layer, 3-aramid cloth layer and 4-special high polymer material fireproof layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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
Referring to fig. 1, the present embodiment specifically discloses a technical solution of a cable fire-proof and explosion-proof protection belt, which sequentially comprises, from inside to outside, a ceramic fiber woven fabric layer 1, a stainless steel thin steel belt layer 2, an aramid fabric layer 3, and a special polymer material fire-proof layer 4.
Specifically, the thickness of the ceramic fiber woven cloth layer 1 is 0.5-2 mm.
Specifically, the thickness of the stainless steel thin steel strip layer 2 is 0.3-0.5 mm.
Specifically, the aramid cloth layer 3 is made of an aramid cloth material with twisting property.
Specifically, the gram weight of the aramid cloth layer 3 is 280g/m 2.
Specifically, the protective belt is powered for 60min at 750 ℃, and the breakdown phenomenon does not occur under 8.7 KV.
The invention also provides the following technical scheme: according to the preparation method of the cable fireproof and explosion-proof protective belt, the ceramic fiber woven fabric layer 1, the stainless steel thin steel belt layer 2 and the aramid fiber fabric layer 3 are pressed and bonded into a whole through the flame-retardant adhesive, then the bonded and bonded whole composition is coated on the outer side of the cable and the joint of the cable, and then the special high polymer material fireproof layer 4 is coated on the outer layer of the composition, so that the tubular protective belt body with fireproof and explosion-proof performances is formed.
The protective belt prepared by the invention sequentially comprises a ceramic fiber woven cloth layer, a stainless steel thin steel belt layer, an aramid cloth layer and a special high polymer material fireproof layer from inside to outside, and is supplied with power at 750 ℃ for 60min, so that the protective belt does not have a breakdown phenomenon at 8.7KV, and has excellent fireproof and explosion-proof performances.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The cable fireproof and explosion-proof protective belt is characterized by sequentially comprising a ceramic fiber woven fabric layer, a stainless steel thin steel belt layer, an aramid fabric layer and a special high polymer material fireproof layer from inside to outside.
2. The cable fire and explosion protection belt of claim 1, wherein the ceramic fiber woven fabric layer is provided with a thickness of 0.5-2 mm.
3. The fireproof and explosion-proof protective tape for cables as claimed in claim 1, wherein the stainless steel thin steel tape layer is provided with a thickness of 0.3-0.5 mm.
4. The cable fireproof and explosion-proof protective belt according to claim 1, wherein the aramid cloth layer is made of an aramid cloth material with twisting performance.
5. The cable fireproof and explosion-proof protective tape as claimed in claim 4, wherein the grammage of the aramid cloth layer is 280g/m2。
6. The cable fire-proof and explosion-proof protective tape as claimed in claim 2, 3 or 5, wherein the protective tape is supplied with power at 750 ℃ for 60min, and does not have breakdown phenomenon at 8.7 KV.
7. A method for preparing a fire and explosion protection belt for cables as claimed in any one of claims 1 to 5, wherein the ceramic fiber woven cloth layer, the stainless steel thin steel belt layer and the aramid cloth layer are pressed and bonded into a whole by flame retardant adhesive, the bonded and bonded compound is coated on the outer side of the cable and the joint, and then the compound is coated with a special high molecular material fire-proof layer to form a tubular protection belt with fire and explosion protection performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110315.8A CN113838605A (en) | 2021-09-18 | 2021-09-18 | Cable fireproof and explosion-proof protective belt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110315.8A CN113838605A (en) | 2021-09-18 | 2021-09-18 | Cable fireproof and explosion-proof protective belt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113838605A true CN113838605A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111110315.8A Pending CN113838605A (en) | 2021-09-18 | 2021-09-18 | Cable fireproof and explosion-proof protective belt and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113838605A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130051740A1 (en) * | 2010-04-19 | 2013-02-28 | David Fogg | Umbilical |
| CN204720192U (en) * | 2015-06-18 | 2015-10-21 | 安徽明都电力线缆有限公司 | A kind of computer lightweight flexible cable |
| CN207282202U (en) * | 2017-05-23 | 2018-04-27 | 贵州乾新高科技有限公司 | A kind of optoelectronic composite cable |
| CN208881262U (en) * | 2018-09-17 | 2019-05-21 | 北京瓦米克高温材料有限公司 | Thermal insulation layer and collet |
| CN209511424U (en) * | 2019-01-23 | 2019-10-18 | 北京瓦米克高温材料有限公司 | Collet |
| CN112217173A (en) * | 2020-10-23 | 2021-01-12 | 和瑞达(广东)综合能源服务有限公司 | Cable joint fire and explosion protection mechanism |
| CN113172960A (en) * | 2021-05-28 | 2021-07-27 | 应急管理部四川消防研究所 | Ceramizable flame-retardant multilayer composite board and preparation method thereof |
-
2021
- 2021-09-18 CN CN202111110315.8A patent/CN113838605A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130051740A1 (en) * | 2010-04-19 | 2013-02-28 | David Fogg | Umbilical |
| CN204720192U (en) * | 2015-06-18 | 2015-10-21 | 安徽明都电力线缆有限公司 | A kind of computer lightweight flexible cable |
| CN207282202U (en) * | 2017-05-23 | 2018-04-27 | 贵州乾新高科技有限公司 | A kind of optoelectronic composite cable |
| CN208881262U (en) * | 2018-09-17 | 2019-05-21 | 北京瓦米克高温材料有限公司 | Thermal insulation layer and collet |
| CN209511424U (en) * | 2019-01-23 | 2019-10-18 | 北京瓦米克高温材料有限公司 | Collet |
| CN112217173A (en) * | 2020-10-23 | 2021-01-12 | 和瑞达(广东)综合能源服务有限公司 | Cable joint fire and explosion protection mechanism |
| CN113172960A (en) * | 2021-05-28 | 2021-07-27 | 应急管理部四川消防研究所 | Ceramizable flame-retardant multilayer composite board and preparation method thereof |
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Application publication date: 20211224 |