CN103928155A - Fire-resistant control cable - Google Patents
Fire-resistant control cable Download PDFInfo
- Publication number
- CN103928155A CN103928155A CN201410172734.8A CN201410172734A CN103928155A CN 103928155 A CN103928155 A CN 103928155A CN 201410172734 A CN201410172734 A CN 201410172734A CN 103928155 A CN103928155 A CN 103928155A
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- Prior art keywords
- mineral filler
- cable
- control
- temperature
- silicon rubber
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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
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Abstract
The invention discloses a fire-resistant control cable which comprises a cable core. The cable core comprises an H-shaped silicon rubber framework, two control wire cores are respectively arranged on the two sides of the silicon rubber framework, each control wire core comprises two control conductors wrapped by butyronitrile compound insulating layers, and the two control conductors and two tensile ropes are stranded and then are wrapped with a glass fiber fire-resistant layer. The cable core is wrapped by a mica layer, a shielding layer and an outer sheath layer in sequence. The H-shaped silicon rubber framework of the fire-resistant control cable is ingenious in conception, the silicon rubber framework enhances the firmness of the cable under the condition that the outer diameter of the cable is not increased, the control conductors wrapped with the butyronitrile compound insulating layers and tensile ropes are stranded, and the cable is made to be more resistant to dragging.
Description
Technical field
The present invention relates generally to field of cables, relates in particular to a kind of fireproof control cable.
Background technology
The environment that control cables is used is now more and more diversified, high temperature, low temperature, harsh climate, rugged environment etc. have all proposed various difficult problems to the use of normal cable, cable of the present invention is exactly for high temperature, and easy breaking out of fire and the environment use that the fastness of cable is had relatively high expectations propose.
Traditional cable jacket material exists high temperature resistant poor, and resistant to chemical media is poor, damage resistant not, the shortcoming such as not ageing-resistant.
Summary of the invention
The object of the invention is exactly in order to make up the defect of prior art, and a kind of fireproof control cable is provided.That cable jacket material of the present invention exists is high temperature resistant, resistance to ag(e)ing good.
The present invention is achieved by the following technical solutions:
Fireproof control cable, include cable core, it is characterized in that: described cable core includes I-shaped silicon rubber skeleton, the both sides of silicon rubber skeleton are respectively equipped with two and control core, control core for every and include two control conductors that are enclosed with butyronitrile compound insulating barrier, two control conductors and two tension ropes carry out stranded rear outside and are enclosed with glass fibre flame retardant coating; Cable core is enclosed with mica layer, screen, external sheath layer outward successively.
External sheath layer material is made by the raw material of following weight portion: LLDPE 50-70, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer 20-30, polyether sulfone 10-15, talcum powder 15-20, aluminium hydroxide 10-15, magnesium oxide 2-3, turpentine oil 5-10, triphenyl phosphite 8-14, zinc neodecanoate 1-2, glycerin monostearate 2-4, calcinated argil 10-15, diisodecyl adipate (DIDA) 16-22, epoxy tetrahydro-2-ethylhexyl phthalate 8-14, antioxidant 1010 1-2, ultra-violet absorber UV-3270.5-1.5, modified mineral filler 10-15,
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 5-10:3-6:2-4:1, pulverize, cross 200-300 mesh sieve, 650-750 ℃ of calcining 20-30min, naturally cools to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating and make the suspension that concentration is 35-45%, the hydrochloric acid solution that is 15-20% by concentration regulates PH to 4-5, heating water bath is to 70-80 ℃, 1500-2000rpm speed lapping 10-15min, then with the sodium hydroxide solution that concentration is 10-15%, be neutralized to neutrality, standing 20-30min, filter, distilled water washing 2-3 time for filter residue, after oven dry, add in mixer, under 500-1000rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 3-5%, the Di(dioctylpyrophosphato) ethylene titanate of 0.5-1%, after mixing, the poly of 2-4% slowly adds in complex mineral filler with vaporific or droplet form, at 40-60 ℃ of temperature, stir 10-20min, dry, c, get and be equivalent to the polypropylene of complex mineral filler weight 35-45%, the poly terephthalic acid of 20-30% 1, the ethylene-methyl acrylate-glyceryl methacrylate terpolymer of 4-cyclohexanedimethanoester ester, 10-15%, the atoleine of 2-5% carry out melt blending, the complex mineral filler that the tributyl phosphate of 4-8% is processed with step b together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
The preparation method of external sheath layer material of the present invention, comprises the following steps:
(1) LLDPE, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer, polyether sulfone are dropped in kneader and mixed, then add diisodecyl adipate (DIDA), epoxy tetrahydro-2-ethylhexyl phthalate to stir a moment, after plasticizer is by basic absorption, add triphenyl phosphite, zinc neodecanoate, glycerin monostearate, by frictional heat, make material temperature be raised to 70-80 ℃, add again remaining raw material, when material temperature rises to 90-100 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 40-60r/min, processing temperature is 140-180 ℃;
(3) pack after metering.
Advantage of the present invention is:
I-shaped silicon rubber skeleton of the present invention is skillfully constructed, and silicon rubber skeleton has strengthened the fastness of cable in the situation that not increasing the outside diameter of cable; Be enclosed with the control conductor of butyronitrile compound insulating barrier and tension rope and carry out strandedly, make that cable is more resistance to be pulled.External sheath layer material excellent combination property of the present invention, have good physical and mechanical properties, electrical insulation capability, thermal endurance, etc. performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, fireproof control cable, include cable core, cable core includes I-shaped silicon rubber skeleton 1, the both sides of silicon rubber skeleton 1 are respectively equipped with two and control core, controlling core for every includes two 2, two of control conductors that are enclosed with butyronitrile compound insulating barrier 3 and controls conductors 2 and two tension ropes 4 and carry out stranded rear outside and be enclosed with glass fibre flame retardant coating 5; Cable core is enclosed with mica layer 6, screen 7, external sheath layer 8 outward successively.
External sheath layer 8 materials are made by the raw material of following weight portion: LLDPE 60, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer 25, polyether sulfone 15, talcum powder 18, aluminium hydroxide 12, magnesium oxide 2.5, turpentine oil 7, triphenyl phosphite 12, zinc neodecanoate 1.5, glycerin monostearate 3, calcinated argil 15, diisodecyl adipate (DIDA) 18, epoxy tetrahydro-2-ethylhexyl phthalate 10, antioxidant 1010 1.5, ultra-violet absorber UV-3271, modified mineral filler 12,
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 7:4:3:1, pulverize, cross 300 mesh sieves, 720 ℃ of calcining 20min, naturally cool to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating, and to make concentration be 40% suspension, the hydrochloric acid solution that is 20% by concentration regulates PH to 4, heating water bath to 80 ℃, 2000rpm speed lapping 10min, then with the sodium hydroxide solution that concentration is 15%, be neutralized to neutrality, standing 25min, filter, distilled water washing 3 times for filter residue, after oven dry, add in mixer, under 1000rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 4%, 0.5% Di(dioctylpyrophosphato) ethylene titanate, after mixing, 2% poly slowly adds in complex mineral filler with vaporific or droplet form, at 50 ℃ of temperature, stir 15min, dry, c, get and be equivalent to the polypropylene of complex mineral filler weight 40%, 25% poly terephthalic acid 1, after the complex mineral filler that 4-cyclohexanedimethanoester ester, 10% ethylene-methyl acrylate-glyceryl methacrylate terpolymer, 3% atoleine, 6% tributyl phosphate are processed with step b mixes, together drop into double screw extruder and carry out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
The preparation method of external sheath layer 8 materials, comprises the following steps:
(1) LLDPE, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer, polyether sulfone are dropped in kneader and mixed, then add diisodecyl adipate (DIDA), epoxy tetrahydro-2-ethylhexyl phthalate to stir a moment, after plasticizer is by basic absorption, add triphenyl phosphite, zinc neodecanoate, glycerin monostearate, by frictional heat, make material temperature be raised to 70-80 ℃, add again remaining raw material, when material temperature rises to 90-100 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 40-60r/min, processing temperature is 140-180 ℃;
(3) pack after metering.
The results of property of external sheath layer 8 materials that make after testing, is as following table:
Claims (3)
1. fireproof control cable, include cable core, it is characterized in that: described cable core includes I-shaped silicon rubber skeleton, the both sides of silicon rubber skeleton are respectively equipped with two and control core, control core for every and include two control conductors that are enclosed with butyronitrile compound insulating barrier, two control conductors and two tension ropes carry out stranded rear outside and are enclosed with glass fibre flame retardant coating; Cable core is enclosed with mica layer, screen, external sheath layer outward successively.
2. fireproof control cable according to claim 1, external sheath layer material described in it is characterized in that is made by the raw material of following weight portion: LLDPE 50-70, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer 20-30, polyether sulfone 10-15, talcum powder 15-20, aluminium hydroxide 10-15, magnesium oxide 2-3, turpentine oil 5-10, triphenyl phosphite 8-14, zinc neodecanoate 1-2, glycerin monostearate 2-4, calcinated argil 10-15, diisodecyl adipate (DIDA) 16-22, epoxy tetrahydro-2-ethylhexyl phthalate 8-14, antioxidant 1010 1-2, ultra-violet absorber UV-327 0.5-1.5, modified mineral filler 10-15,
The preparation method of described modified mineral filler is as follows: a, take wollastonite, kaolin, pyrophillite, bauxite mix by weight 5-10:3-6:2-4:1, pulverize, cross 200-300 mesh sieve, 650-750 ℃ of calcining 20-30min, naturally cools to room temperature, b, the complex mineral filler of above-mentioned calcination processing is added to water making beating and make the suspension that concentration is 35-45%, the hydrochloric acid solution that is 15-20% by concentration regulates PH to 4-5, heating water bath is to 70-80 ℃, 1500-2000rpm speed lapping 10-15min, then with the sodium hydroxide solution that concentration is 10-15%, be neutralized to neutrality, standing 20-30min, filter, distilled water washing 2-3 time for filter residue, after oven dry, add in mixer, under 500-1000rpm high-speed stirred, get the methoxy poly (ethylene glycol) monomethacrylates that is equivalent to complex mineral filler weight 3-5%, the Di(dioctylpyrophosphato) ethylene titanate of 0.5-1%, after mixing, the poly of 2-4% slowly adds in complex mineral filler with vaporific or droplet form, at 40-60 ℃ of temperature, stir 10-20min, dry, c, get and be equivalent to the polypropylene of complex mineral filler weight 35-45%, the poly terephthalic acid of 20-30% 1, the ethylene-methyl acrylate-glyceryl methacrylate terpolymer of 4-cyclohexanedimethanoester ester, 10-15%, the atoleine of 2-5% carry out melt blending, the complex mineral filler that the tributyl phosphate of 4-8% is processed with step b together drops into double screw extruder after mixing, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.
3. fireproof control cable according to claim 2, is characterized in that comprising the following steps the preparation method of described external sheath layer material:
(1) LLDPE, tetrafluoroethene-perfluorinated alkoxy vinyl ether copolymer, polyether sulfone are dropped in kneader and mixed, then add diisodecyl adipate (DIDA), epoxy tetrahydro-2-ethylhexyl phthalate to stir a moment, after plasticizer is by basic absorption, add triphenyl phosphite, zinc neodecanoate, glycerin monostearate, by frictional heat, make material temperature be raised to 70-80 ℃, add again remaining raw material, when material temperature rises to 90-100 ℃, material is discharged in cooling mixing machine and is lowered the temperature, discharging to below 40-50 ℃ time;
(2) above-mentioned kneaded raw material is dropped into extruding pelletization in double screw extruder, screw speed 40-60r/min, processing temperature is 140-180 ℃;
(3) pack after metering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172734.8A CN103928155A (en) | 2014-04-26 | 2014-04-26 | Fire-resistant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172734.8A CN103928155A (en) | 2014-04-26 | 2014-04-26 | Fire-resistant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103928155A true CN103928155A (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410172734.8A Pending CN103928155A (en) | 2014-04-26 | 2014-04-26 | Fire-resistant control cable |
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| CN (1) | CN103928155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383717A (en) * | 2017-07-06 | 2017-11-24 | 无为华兴高分子材料有限公司 | A kind of fluoroplastics of excellent in mechanical performance |
| CN111292890A (en) * | 2020-02-18 | 2020-06-16 | 四川金力电缆集团有限公司 | Fireproof cable and production process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773865Y (en) * | 2004-06-13 | 2006-04-19 | 宝胜科技创新股份有限公司 | Fire-resistant signalling electric cable |
| CN201177998Y (en) * | 2008-02-29 | 2009-01-07 | 领迅电线工业(上海)有限公司 | Non-shielding symmetrical data cable for 10G Ethernet |
| CN101872656A (en) * | 2010-04-20 | 2010-10-27 | 上海索谷电缆集团有限公司 | Fluorine plastic insulated fireproof control cable |
| CN202258491U (en) * | 2011-06-09 | 2012-05-30 | 湖南金杯电缆有限公司 | High-flame-retardance and environment-friendly fire-resistant control cable for nuclear power plant |
| CN202584779U (en) * | 2012-03-29 | 2012-12-05 | 安徽太平洋电缆集团有限公司 | Enhanced silicone rubber control cable |
| CN103172918A (en) * | 2011-12-22 | 2013-06-26 | 上海杰事杰新材料(集团)股份有限公司 | Low-smoke halogen-free flame-retardant cable material and preparation method thereof |
-
2014
- 2014-04-26 CN CN201410172734.8A patent/CN103928155A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773865Y (en) * | 2004-06-13 | 2006-04-19 | 宝胜科技创新股份有限公司 | Fire-resistant signalling electric cable |
| CN201177998Y (en) * | 2008-02-29 | 2009-01-07 | 领迅电线工业(上海)有限公司 | Non-shielding symmetrical data cable for 10G Ethernet |
| CN101872656A (en) * | 2010-04-20 | 2010-10-27 | 上海索谷电缆集团有限公司 | Fluorine plastic insulated fireproof control cable |
| CN202258491U (en) * | 2011-06-09 | 2012-05-30 | 湖南金杯电缆有限公司 | High-flame-retardance and environment-friendly fire-resistant control cable for nuclear power plant |
| CN103172918A (en) * | 2011-12-22 | 2013-06-26 | 上海杰事杰新材料(集团)股份有限公司 | Low-smoke halogen-free flame-retardant cable material and preparation method thereof |
| CN202584779U (en) * | 2012-03-29 | 2012-12-05 | 安徽太平洋电缆集团有限公司 | Enhanced silicone rubber control cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383717A (en) * | 2017-07-06 | 2017-11-24 | 无为华兴高分子材料有限公司 | A kind of fluoroplastics of excellent in mechanical performance |
| CN111292890A (en) * | 2020-02-18 | 2020-06-16 | 四川金力电缆集团有限公司 | Fireproof cable and production process thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140716 |
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| RJ01 | Rejection of invention patent application after publication |