CN105469905A - Preparation method of fire-prevention, high-efficiency and energy-saving magnesium oxide cable - Google Patents
Preparation method of fire-prevention, high-efficiency and energy-saving magnesium oxide cable Download PDFInfo
- Publication number
- CN105469905A CN105469905A CN201610002818.6A CN201610002818A CN105469905A CN 105469905 A CN105469905 A CN 105469905A CN 201610002818 A CN201610002818 A CN 201610002818A CN 105469905 A CN105469905 A CN 105469905A
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- Prior art keywords
- magnesium oxide
- annealing
- cable
- inorganic material
- preparation
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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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The invention discloses a preparation method of a fire-prevention, high-efficiency and energy-saving magnesium oxide cable. The preparation method comprises steps of assembly, drawing and rolling. The magnesium oxide cable comprises a plurality of cables, an inorganic material flame-retardant layer and a flame-retardant jacket, wherein the inorganic material flame-retardant layer is extruded on the plurality of cables, the flame-retardant jacket sleeves the inorganic material flame-retardant layer, each cable comprises a copper conductor and a ceramic silicone rubber insulation layer, the ceramic silicone rubber insulation layer is extruded on the copper conductor, and a filling layer is filled in the inorganic material flame-retardant jacket. The preparation method of the fire-prevention, high-efficiency and energy-saving magnesium oxide cable, disclosed by the invention, has the advantages of high flame retandace, the insulation of the cable can be effectively ensured, the magnesium oxide cable after being rolled is high in structural strength, and phenomena such as broken are difficult to generate; and meanwhile, the production process is greatly shortened, and the production cost is also reduced.
Description
Technical field
The present invention relates to a kind of cable production art, particularly a kind of magnesium oxide fireproof highly energy-saving cable preparation method.
Background technology
Along with the development of Macromolecular materials industry, high molecular synthetic material is more and more widely used in the fields such as building, chemical industry, military affairs and traffic, due to the inflammability of macromolecular material.Therefore flame-retarded technology receives the concern in the whole world, along with various countries are to the promulgation in succession of the enhancing of environmental consciousness and flame retardant regulation, the development in fire retardant market is very fast, particularly efficiently, smoke suppressing is strong, and the mineral-type fire retardants such as nontoxic mg (oH) 2 are more and more subject to user's favor.But manufacturing step is but more and more loaded down with trivial details, and still there is certain defect in the finished product of manufacture place, there is certain deficiency in actual use.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problems referred to above, the magnesium oxide fireproof highly energy-saving cable preparation method providing a kind of anti-anti-flammability strong.
To achieve these goals, the technical solution used in the present invention is such: magnesium oxide fireproof highly energy-saving cable preparation method of the present invention, comprise number of assembling steps, draw step, milling step, the fire-retardant overcoat comprising several wire cable He be extruded in the inorganic material flame retardant coating on several wire cable and be enclosed within described inorganic material flame retardant coating, wherein every root cable is made up of copper conductor and the ceramic silicon rubber insulation be extruded on described copper conductor, packed layer is filled with in described inorganic material flame retardant coating, number of assembling steps is first by conductor, magnesium oxide and sheath three assemble, carry out first time drawing and annealing in process, draw step draws for carrying out second time after previous step annealing in process again, and then to its annealing, milling step is after premenstrual two step secondaries draw annealing, processing is rolled to it, and to successively decrease successively rolling according to eight to percent nine percent of cross section processing capacity.
Further, as a kind of concrete version, annealing temperature of the present invention is between 580 degree to 600 degree.
Further, as a kind of concrete version, second time of the present invention carries out second time annealing in process after drawing eight to the zero point of nought point four five or two times needing to be drawn to original diameter again.
Further, as a kind of concrete version, milling step of the present invention adopts the rolling road of different size to be rolled.
Further, as a kind of concrete version, packed layer of the present invention adopts insulation colloid.
Further, as a kind of concrete version, insulation colloid of the present invention is more than one.
Compared with prior art, the invention has the advantages that: the anti-anti-flammability of a kind of magnesium oxide fireproof highly energy-saving cable preparation method of the present invention is strong, effectively can ensure the insulating properties of cable, and self structure intensity is high after rolling, not easily produce phenomenons such as breaking, substantially reduce art production process, production cost also decreases simultaneously.
Embodiment
The preferred embodiment of magnesium oxide fireproof highly energy-saving cable preparation method of the present invention, comprise number of assembling steps, draw step, milling step, the fire-retardant overcoat comprising several wire cable He be extruded in the inorganic material flame retardant coating on several wire cable and be enclosed within described inorganic material flame retardant coating, wherein every root cable is made up of copper conductor and the ceramic silicon rubber insulation be extruded on described copper conductor, packed layer is filled with in described inorganic material flame retardant coating, number of assembling steps is first by conductor, magnesium oxide and sheath three assemble, carry out first time drawing and annealing in process, draw step draws for carrying out second time after previous step annealing in process again, and then to its annealing, milling step is after premenstrual two step secondaries draw annealing, processing is rolled to it, and to successively decrease successively rolling according to eight to percent nine percent of cross section processing capacity.
Described annealing temperature is between 580 degree to 600 degree.Annealing temperature is moderate, can not affect usability.
Described second time carries out second time annealing in process after drawing eight to the zero point of nought point four five or two times needing to be drawn to original diameter again.Adopt such processing step, greatly strengthen final result of use.
Described milling step adopts the rolling road of different size to be rolled.Rolling performance is more stable.
Described packed layer adopts insulation colloid.Meet design concept, insulation property are stronger.
Described insulation colloid is more than one.Further enhancing ability insulation property.
The anti-anti-flammability of a kind of magnesium oxide fireproof highly energy-saving cable preparation method of the present invention is strong, effectively can ensure the insulating properties of cable, and self structure intensity is high after rolling, not easily produces phenomenons such as breaking, substantially reduce art production process, production cost also decreases simultaneously.Processing step is clear and definite, is easy to the conversion between operation, the fire-retardant overcoat comprising several wire cable He be extruded in the inorganic material flame retardant coating on several wire cable and be enclosed within described inorganic material flame retardant coating, wherein every root cable is made up of copper conductor and the ceramic silicon rubber insulation be extruded on described copper conductor, packed layer is filled with in described inorganic material flame retardant coating, number of assembling steps is first by conductor, magnesium oxide and sheath three assemble, carry out first time drawing and annealing in process, draw step draws for carrying out second time after previous step annealing in process again, and then to its annealing, milling step is after premenstrual two step secondaries draw annealing, processing is rolled to it, and to successively decrease successively rolling according to eight to percent nine percent of cross section processing capacity, rolling performance is stablized, there will not be and peel off problem between layers, good being sealed connected together of energy, eliminate loaded down with trivial details processing step, better can play the effect of energy-conserving and environment-protective.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. a magnesium oxide fireproof highly energy-saving cable preparation method, it is characterized in that: comprise number of assembling steps, draw step, milling step, the fire-retardant overcoat comprising several wire cable He be extruded in the inorganic material flame retardant coating on several wire cable and be enclosed within described inorganic material flame retardant coating, wherein every root cable is made up of copper conductor and the ceramic silicon rubber insulation be extruded on described copper conductor, packed layer is filled with in described inorganic material flame retardant coating, number of assembling steps is first by conductor, magnesium oxide and sheath three assemble, carry out first time drawing and annealing in process, draw step draws for carrying out second time after previous step annealing in process again, and then to its annealing, milling step is after premenstrual two step secondaries draw annealing, processing is rolled to it, and to successively decrease successively rolling according to eight to percent nine percent of cross section processing capacity.
2. magnesium oxide fireproof highly energy-saving cable preparation method according to claim 1, is characterized in that: described annealing temperature is between 580 degree to 600 degree.
3. magnesium oxide fireproof highly energy-saving cable preparation method according to claim 1, is characterized in that: described second time carries out second time annealing in process after drawing eight to the zero point of nought point four five or two times needing to be drawn to original diameter again.
4. magnesium oxide fireproof highly energy-saving cable preparation method according to claim 1, is characterized in that: described milling step adopts the rolling road of different size to be rolled.
5. magnesium oxide fireproof highly energy-saving cable preparation method according to claim 1, is characterized in that: described packed layer adopts insulation colloid.
6. magnesium oxide fireproof highly energy-saving cable preparation method according to claim 5, is characterized in that: described insulation colloid is more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002818.6A CN105469905A (en) | 2016-01-06 | 2016-01-06 | Preparation method of fire-prevention, high-efficiency and energy-saving magnesium oxide cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002818.6A CN105469905A (en) | 2016-01-06 | 2016-01-06 | Preparation method of fire-prevention, high-efficiency and energy-saving magnesium oxide cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105469905A true CN105469905A (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610002818.6A Pending CN105469905A (en) | 2016-01-06 | 2016-01-06 | Preparation method of fire-prevention, high-efficiency and energy-saving magnesium oxide cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105469905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198656A (en) * | 2017-12-29 | 2018-06-22 | 王筱卿 | A kind of naval vessel, aerospace, nuclear power are with high temperature composite shielding without electric cable |
| CN109390099A (en) * | 2018-10-26 | 2019-02-26 | 扬中市华亿电器有限公司 | A kind of fireproof cable and its assemble method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075489A (en) * | 2007-06-11 | 2007-11-21 | 宝胜科技创新股份有限公司 | Method for automatically filling mineral insulated electric cable |
| CN101315819A (en) * | 2007-05-29 | 2008-12-03 | 上海摩恩电气有限公司 | Production method of large size mineral insulation fireproof cable |
| CN102831977A (en) * | 2012-09-12 | 2012-12-19 | 上海安捷防火电缆有限公司 | Preparation method for magnesium oxide fireproof cable |
| CN102855985A (en) * | 2012-09-12 | 2013-01-02 | 上海安捷防火电缆有限公司 | High-flame-retardance fireproof cable made of inorganic materials |
| CN104900329A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Ultra soft composite structure fire prevention power cable and manufacturing method thereof |
-
2016
- 2016-01-06 CN CN201610002818.6A patent/CN105469905A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315819A (en) * | 2007-05-29 | 2008-12-03 | 上海摩恩电气有限公司 | Production method of large size mineral insulation fireproof cable |
| CN101075489A (en) * | 2007-06-11 | 2007-11-21 | 宝胜科技创新股份有限公司 | Method for automatically filling mineral insulated electric cable |
| CN102831977A (en) * | 2012-09-12 | 2012-12-19 | 上海安捷防火电缆有限公司 | Preparation method for magnesium oxide fireproof cable |
| CN102855985A (en) * | 2012-09-12 | 2013-01-02 | 上海安捷防火电缆有限公司 | High-flame-retardance fireproof cable made of inorganic materials |
| CN104900329A (en) * | 2015-05-13 | 2015-09-09 | 无锡市恒汇电缆有限公司 | Ultra soft composite structure fire prevention power cable and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198656A (en) * | 2017-12-29 | 2018-06-22 | 王筱卿 | A kind of naval vessel, aerospace, nuclear power are with high temperature composite shielding without electric cable |
| CN109390099A (en) * | 2018-10-26 | 2019-02-26 | 扬中市华亿电器有限公司 | A kind of fireproof cable and its assemble method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160406 |
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