CN104715840B - 海工平台用本质安全型耐油耐泥浆防火电缆及制备工艺 - Google Patents
海工平台用本质安全型耐油耐泥浆防火电缆及制备工艺 Download PDFInfo
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- CN104715840B CN104715840B CN201510116599.XA CN201510116599A CN104715840B CN 104715840 B CN104715840 B CN 104715840B CN 201510116599 A CN201510116599 A CN 201510116599A CN 104715840 B CN104715840 B CN 104715840B
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- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 41
- 239000010445 mica Substances 0.000 claims abstract description 18
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000005755 formation reaction Methods 0.000 claims abstract description 7
- 239000007943 implant Substances 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 35
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound 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[Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 29
- 238000009413 insulation Methods 0.000 claims description 20
- 239000000779 smoke Substances 0.000 claims description 19
- 238000000137 annealing Methods 0.000 claims description 18
- 238000007747 plating Methods 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 16
- 150000002367 halogens Chemical class 0.000 claims description 16
- 238000005491 wire drawing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000004132 cross linking Methods 0.000 claims description 13
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
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- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- 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—BASIC 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
本发明公开了一种海工平台用本质安全型耐油耐泥浆防火电缆及制备工艺，所述电缆由内到外依次设有缆芯绕包层、电缆屏蔽层、内衬层、铠装层、外护套，所述缆芯绕包层内还设有耐火导体、设在耐火导体外层的绝缘层和填充物。本电缆结构由于增加铜丝编织屏蔽的结构，电缆除了具有低电容、低电感的特点之外，还具有优越的屏蔽性能和机械保护性能，电缆的抗电磁场干扰以及抗电场耦合的能力均比较理想，有效地防止了由于电磁场的变化形成的局部放电引起火花的隐患；采用云母带绕包的结构，降低了电缆承载电流过载导致火花的风险，云母带包覆在导体表面，可以隔离氧气，有效防止电缆缆芯火花的产生。
Description
技术领域
[0001]本发明属于电缆生产技术领域，具体涉及一种海工平台用本质安全型耐油耐泥浆防火电缆及制备工艺。
背景技术
[0002]海工平台试制主要用于海底石油和天然气勘深开采平台、浮式贮油库和炼油等领域的海上浮式结构物。在实际工作过程中，必然会存在大量的易燃易爆的油气物质。当前各海工平台使用的电缆在正常使用过程中不会出现任何问题，一旦由于线路异常而导致电缆过载或者电缆收到电磁干扰，引起火花，将会增加油气被引燃而导致爆炸的风险。
发明内容
[0003]发明目的:本发明的目的是为了解决现有技术中的不足，提供一种既具有本质安全性能，同时又能够满足传统海工电缆耐油耐泥浆性能的海工电缆。
[0004]技术方案:本发明所述的一种海工平台用本质安全型耐油耐泥浆防火电缆，所述电缆由内到外依次设有缆芯绕包层、电缆屏蔽层、内衬层、铠装层、外护套，所述缆芯绕包层内还设有耐火导体、设在耐火导体外层的绝缘层和填充物，所述耐火导体使用6类退火镀锡铜，同时耐火导体外绕包两层耐高温煅烧云母带，所述绝缘层采用低烟无卤乙丙橡胶绝缘料挤包而成，所述填充物由低烟无卤聚烯烃料挤制而成，置于电缆线芯的边隙当中，所述缆芯绕包层由低烟无卤隔氧带绕包而成，所述电缆屏蔽层由退火镀锡软铜丝编织而成，包覆于缆芯绕包层外层。
[0005]作为优选，所述内衬层由低烟无卤聚烯烃挤包而成。
[0006]作为优选，所述铠装层由退火镀锡软铜丝编织而成，包覆于电缆内衬外层。
[0007]作为优选，所述外护套由低烟无卤阻燃耐油耐泥浆交联聚烯烃挤包而成。
[0008]本发明还公开了一种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，包括拉丝、退火镀锡、导体绞合、云母带绕包、绝缘挤出、蒸汽交联、成缆绕包、编织屏蔽、内衬挤出、编织铠装以及外护套挤出、电缆印字，共12个工序:
[0009] (I)拉丝:米用Φ 1.2mm的铜杆通过小拉丝机内渐变孔径的拉丝模具最小可生产至Φ0.1mm的单丝；
[0010] (2)退火:单丝经过退火炉内580 0C〜600 V的高温后，单丝内由拉丝引起破碎的晶格得以重新聚集排列；退火单丝在线通过380°C〜400°C的锡炉，经过锡炉末端的眼模定径后，熔化的锡层可均匀涂覆在导体表面;对导体单丝提出退火镀锡后断裂伸长率不小于30%的指标要求；
[0011] (3)束丝、复绞:电缆导体由多根镀锡单丝束绞为0.5mm2〜16mm2的导体单元后复交为50mm2〜630mm2的导体；
[0012] (4)云母带绕包:采用煅烧云母带，在成缆绕包设备上进行双层反向绕包，绕包重叠率2 35%;
[0013] (5)绝缘挤出:利用高精度挤塑机对绝缘材料进行挤压熔融后经挤出模具定型后均匀包覆在导体外面，绝缘表面应光滑平整，绝缘的切面应无目视可见气孔，绝缘挤制过程中应采用工频火花对绝缘进行缺陷检查，只有通过表面质量、绝缘厚度和火花检查的绝缘线芯才能流转到交联工序；
[0014] (6)蒸汽交联:将生产后的绝缘线芯在90°C〜98°C的水中或蒸汽中放置一段时间，在交联剂的作用下，分子由线状结构转化为网状结构，耐温性能由70°C提高到90°C，抗环境开裂性能也得到了很大的提高;交联后绝缘通过测试热延伸合格后流转；
[0015] (7)成缆绕包:根据电缆的结构需要，将电缆缆芯按照一定的排列、一定的节距、一定的绞合方向绞合在一起形成一根缆芯，为了保证缆芯圆整，可以在缆芯中添加低烟无卤填充条;成缆外使用无卤隔氧带对缆芯扎紧，防止缆芯松散；
[0016] (8)编织屏蔽:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，编织密度(基于缆芯层实际外径的称重法)不小于95%;
[0017] (9)内衬挤出:利用高速挤塑机对内衬材料进行挤压熔融，经过挤出模具定型后均匀包覆在编织屏蔽层外面，需要保证内衬表面光滑平整；
[0018] (10)编织铠装:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，编织密度(基于内衬层假定外径的称重法)不小于90%;
[0019] (11)外护套挤出:利用高精度挤塑机对护套材料进行挤压熔融后经挤出模具定型后均匀包覆在铠装层外面，护套表面应光滑平整，护套的切面应无目视可见气孔，护套挤制过程中应采用工频火花对绝缘进行缺陷检查，只有通过表面质量、绝缘厚度和火花检查的绝缘线芯才能流转到印字工序；
[0020] (12)电缆印字:护套表面印字可以采用喷码的方式进行印字，印字内容应包括“厂名型号规格米标”，印字经沾水棉布轻轻擦拭10次后依然清晰可辨。
[0021]有益效果:本电缆带来了以下的益处:
[0022] (I)由于增加铜丝编织屏蔽的结构，电缆除了具有低电容、低电感的特点之外，还具有优越的屏蔽性能和机械保护性能，电缆的抗电磁场干扰以及抗电场耦合的能力均比较理想，有效地防止了由于电磁场的变化形成的局部放电引起火花的隐患；
[0023] (2)采用云母带绕包的结构，降低了电缆承载电流过载导致火花的风险，云母带包覆在导体表面，可以隔离氧气，有效防止电缆缆芯火花的产生。
[0024] (3)传统海工平台用耐火电缆主要功能为保证电缆在火灾条件下可以继续运行一段时间以保证相关救援设备的使用，本发明所涉及的电缆不仅可以保证电缆在火焰环境下的使用，本发明的主要目的为保证电缆具有防止电缆由于过或电磁变化形成的局部放电引起电缆起火等情况的发生的功能。铜丝编织屏蔽加上导体云母带绕包的结构可以有效阻止电缆内部产生火花。
附图说明
[0025]图1为本发明电缆的内部结构示意图。
具体实施方式
[0026]如图1所示的一种海工平台用本质安全型耐油耐泥浆防火电缆，电缆由内到外依次设有由低烟无卤隔氧带绕包而成的缆芯绕包层4、由退火镀锡软铜丝编织而成的电缆屏蔽层5、由低烟无卤聚烯烃挤包而成的内衬层6、由退火镀锡软铜丝编织而成的铠装层7、由低烟无卤阻燃耐油耐泥浆交联聚烯烃挤包而成的外护套8，缆芯绕包层4内还设有使用6类退火镀锡铜的耐火导体I，同时耐火导体外绕包两层耐高温煅烧云母带，设在耐火导体I夕卜层的绝缘层2和填充物3，绝缘层2采用低烟无卤乙丙橡胶绝缘料挤包而成，填充物3由低烟无卤聚烯烃料挤制而成，置于电缆线芯的边隙当中。
[0027]本电缆的制备过程为:在6类导体外绕包两层耐高温煅烧云母带，形成耐火导体I;耐火导体I外挤包绝缘2形成电缆绝缘线芯，绝缘线芯以及填充3通过10倍的节径比进行绞合形成电缆缆芯；电缆缆芯外绕包一层缆芯成缆绕包层4，形成绕包缆芯；绕包缆芯外采用镀锡退火软铜丝进行编织屏蔽，形成电缆屏蔽层5;在编织屏蔽外通过挤塑机采用挤压式挤包形成内衬层6;内衬层6外采用镀锡退火软铜丝进行编织铠装，形成电缆铠装层7;铠装层7外挤包低烟无卤阻燃耐油耐泥浆辐照交联聚烯烃护套料，形成电缆外护套8。
[0028]下面对本发明的海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺作进一步详细说明:
[0029] —种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，包括拉丝、退火镀锡、导体绞合、云母带绕包、绝缘挤出、蒸汽交联、成缆绕包、编织屏蔽、内衬挤出、编织铠装以及外护套挤出、电缆印字，共12个工序:
[°03°] (I)拉丝:米用Φ 1.2mm的铜杆通过小拉丝机内渐变孔径的拉丝模具最小可生产至Φ0.1mm的单丝；
[0031] (2)退火:单丝经过退火炉内580 0C〜600 V的高温后，单丝内由拉丝引起破碎的晶格得以重新聚集排列；退火单丝在线通过380°C〜400°C的锡炉，经过锡炉末端的眼模定径后，熔化的锡层可均匀涂覆在导体表面;对导体单丝提出退火镀锡后断裂伸长率不小于30%的指标要求；
[0032] (3)束丝、复绞:电缆导体由多根镀锡单丝束绞为0.5mm2〜16mm2的导体单元后复交为50mm2〜630mm2的导体；
[0033] (4)云母带绕包:采用煅烧云母带，在成缆绕包设备上进行双层反向绕包，绕包重叠率2 35%;
[0034] (5)绝缘挤出:利用高精度挤塑机对绝缘材料进行挤压熔融后经挤出模具定型后均匀包覆在导体外面，绝缘表面应光滑平整，绝缘的切面应无目视可见气孔，绝缘挤制过程中应采用工频火花对绝缘进行缺陷检查，只有通过表面质量、绝缘厚度和火花检查的绝缘线芯才能流转到交联工序；
[0035] (6)蒸汽交联:将生产后的绝缘线芯在90°C〜98°C的水中或蒸汽中放置一段时间，在交联剂的作用下，分子由线状结构转化为网状结构，耐温性能由70°C提高到90°C，抗环境开裂性能也得到了很大的提高;交联后绝缘通过测试热延伸合格后流转；
[0036] (7)成缆绕包:根据电缆的结构需要，将电缆缆芯按照一定的排列、一定的节距、一定的绞合方向绞合在一起形成一根缆芯，为了保证缆芯圆整，可以在缆芯中添加低烟无卤填充条;成缆外使用无卤隔氧带对缆芯扎紧，防止缆芯松散；
[0037] (8)编织屏蔽:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，编织密度(基于缆芯层实际外径的称重法)不小于95%;
[0038] (9)内衬挤出:利用高速挤塑机对内衬材料进行挤压熔融，经过挤出模具定型后均匀包覆在编织屏蔽层外面，需要保证内衬表面光滑平整；
[0039] (10)编织铠装:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，编织密度(基于内衬层假定外径的称重法)不小于90%;
[0040] (11)外护套挤出:利用高精度挤塑机对护套材料进行挤压熔融后经挤出模具定型后均匀包覆在铠装层外面，护套表面应光滑平整，护套的切面应无目视可见气孔，护套挤制过程中应采用工频火花对绝缘进行缺陷检查，只有通过表面质量、绝缘厚度和火花检查的绝缘线芯才能流转到印字工序；
[0041] (12)电缆印字:护套表面印字可以采用喷码的方式进行印字，印字内容应包括“厂名型号规格米标”，印字经沾水棉布轻轻擦拭10次后依然清晰可辨。
[0042]以上所述的具体实施例，对本发明专利的技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明专利，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (4)
1.一种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，其特征在于:所述电缆由内到外依次设有缆芯绕包层(4)、电缆屏蔽层(5)、内衬层(6)、铠装层(7)、外护套(8)，所述缆芯绕包层(4)内还设有耐火导体(I)、设在耐火导体(I)外层的绝缘层(2)和填充物(3)，所述耐火导体(I)使用6类退火镀锡铜，同时耐火导体(I)外绕包两层耐高温煅烧云母带，所述绝缘层(2)采用低烟无卤乙丙橡胶绝缘料挤包而成，所述填充物(3)由低烟无卤聚烯烃料挤制而成，置于电缆线芯的边隙当中，所述缆芯绕包层(4)由低烟无卤隔氧带绕包而成，所述电缆屏蔽层(5)由退火镀锡软铜丝编织而成，包覆于缆芯绕包层(4)外层； 该电缆的制备工艺包括拉丝、退火镀锡、导体绞合、云母带绕包、绝缘挤出、蒸汽交联、成缆绕包、编织屏蔽、内衬挤出、编织铠装以及外护套挤出、电缆印字，共12个工序: (1)拉丝:采用Φ 1.2mm的铜杆通过小拉丝机内渐变孔径的拉丝模具最小可生产至Φ0.1mm的单丝； (2)退火:单丝经过退火炉内580°C〜600°C的高温后，单丝内由拉丝引起破碎的晶格得以重新聚集排列；退火单丝在线通过380°C〜400°C的锡炉，经过锡炉末端的眼模定径后，熔化的锡层可均匀涂覆在导体表面;对导体单丝提出退火镀锡后断裂伸长率不小于30%的指标要求； (3)束丝、复绞:电缆导体由多根镀锡单丝束绞截面积为0.5mm2〜16mm2的导体单元后复绞截面积为50mm2〜630mm2的导体； (4)云母带绕包:采用煅烧云母带，在成缆绕包设备上进行双层反向绕包，绕包重叠率>35%； (5)绝缘挤出:利用高精度挤塑机对绝缘材料进行挤压熔融后经挤出模具定型后均匀包覆在导体外面，绝缘表面应光滑平整，绝缘的切面应无目视可见气孔，绝缘挤制过程中应采用工频火花对绝缘进行缺陷检查，只有通过表面质量、绝缘厚度和火花检查的绝缘线芯才能流转到交联工序； (6)蒸汽交联:将生产后的绝缘线芯在90°C〜98°C的水中或蒸汽中放置一段时间，在交联剂的作用下，分子由线状结构转化为网状结构，耐温性能由70°C提高到90°C，抗环境开裂性能也得到了很大的提高;交联后绝缘通过测试热延伸合格后流转； (7)成缆绕包:根据电缆的结构需要，将电缆缆芯按照一定的排列、一定的节距、一定的绞合方向绞合在一起形成一根缆芯，为了保证缆芯圆整，在缆芯中添加低烟无齒填充条;成缆外使用无卤隔氧带对缆芯扎紧，防止缆芯松散； (8)编织屏蔽:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，基于缆芯层实际外径的称重法的编织密度不小于95% ; (9)内衬挤出:利用高速挤塑机对内衬材料进行挤压熔融，经过挤出模具定型后均匀包覆在编织屏蔽层外面，需要保证内衬表面光滑平整； (10)编织铠装:按照不同的电缆规格，选取合适的镀锡铜丝在高速编织机上进行编织，基于内衬层假定外径的称重法的编织密度不小于90% ; (11)外护套挤出:利用高精度挤塑机对护套材料进行挤压熔融后经挤出模具定型后均匀包覆在铠装层外面，护套表面应光滑平整，护套的切面应无目视可见气孔，护套挤制过程中应采用工频火花对外护套进行缺陷检查，只有通过表面质量、外护套厚度和火花检查的外护套线芯才能流转到印字工序； (12)电缆印字:护套表面印字采用喷码的方式进行印字，印字内容应包括“厂名型号规格米标”，印字经沾水棉布轻轻擦拭10次后依然清晰可辨。
2.根据权利要求1所述的一种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，其特征在于:所述内衬层(6)由低烟无卤聚烯烃挤包而成。
3.根据权利要求1所述的一种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，其特征在于:所述铠装层(7)由退火镀锡软铜丝编织而成，包覆于电缆内衬外层。
4.根据权利要求1所述的一种海工平台用本质安全型耐油耐泥浆防火电缆的制备工艺，其特征在于:所述外护套(8)由低烟无卤阻燃耐油耐泥浆交联聚烯烃挤包而成。
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