CN101099219A - 低压电密封穿透结构 - Google Patents

低压电密封穿透结构 Download PDF

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Publication number
CN101099219A
CN101099219A CNA2005800461030A CN200580046103A CN101099219A CN 101099219 A CN101099219 A CN 101099219A CN A2005800461030 A CNA2005800461030 A CN A2005800461030A CN 200580046103 A CN200580046103 A CN 200580046103A CN 101099219 A CN101099219 A CN 101099219A
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module
penetrant structure
sealed
insulant
heat
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CN101099219B (zh
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阿力克谢·悦耳约维奇·腾雅克夫
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Yiluokepulaomu Co. Ltd.
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ELOX PROM AOZT
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G21C13/032—Joints between tubes and vessel walls, e.g. taking into account thermal stresses
    • G21C13/036—Joints between tubes and vessel walls, e.g. taking into account thermal stresses the tube passing through the vessel wall, i.e. continuing on both sides of the wall
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/30—Sealing
    • H01B17/303—Sealing of leads to lead-through insulators
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Insulating Bodies (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Insulators (AREA)

Abstract

本发明涉及低压电密封穿透结构，用于将电能和信号输入密封的房屋，例如核电站、核舰船、地下室等。本发明的目的是创造一种电穿透结构，其在更高的温度和明火的影响下保持运行性能。这一目的通过如下方式实现。电穿透结构包括压力壳体、相对于壳体密封的密封模块、通过聚砜绝缘物挤压在各模块的一金属管内的密封导线，各模块的至少一个端部上具有聚醚醚酮(PEEK)绝缘物，其位于聚砜绝缘物的后面。在各模块的这些端可以安装附加的外绝缘物，其形式为热缩管，充以防火密封剂。

Description

低压电密封穿透结构
技术领域
本发明涉及低压电密封穿透结构，其用于将电能和信号输入密封的房屋，例如原子能电站、核舰艇、地下室等。
背景技术
穿透结构是公知的，其包括压力壳体、线束、将线束相对于壳体密封的密封垫。这种设计不可靠，因为在相对于壳体放置线束密封垫的情况下，绝缘受到了破坏，该绝缘在实用中受潮，这导致穿透结构的故障(见SCHTT目录1989年的公开No4835/1d)。
在技术本质上与本发明最相似的是这样的电穿透结构，其包括压力壳体、相对于壳体密封的密封模块、经聚砜绝缘物挤压到各模块内的金属管内的密封的导线(见美国专利US3601526，H01B17/26，1971)。
这种公知的设计具有较低的热稳定性和耐火性，因为如下的原因：其采用聚砜作为电缆线相对于模块的密封材料。这种材料的软化温度为168℃，穿透结构在核电站内规定的长时间运行紧急状态为温度最高250℃，压力为7-9巴。聚砜在火的影响下会流出，这样就损失了密封，并导致电绝缘的崩溃。
发明内容
本发明的目的是创造这样一种电穿透结构，其在更高的温度和明火的影响下仍然能保持运行性能。
这一目的通过一种电密封穿透结构实现，其包括压力壳体、相对于该壳体密封的密封模块、密封的导线，这些导线通过聚砜绝缘物压到各模块的一金属管内。所述穿透结构的各模块的一端具有聚醚醚酮(PEEK)的绝缘物，它们位于聚砜绝缘物的后面。在各模块的这些端可以设置一附加的外绝缘物。该绝缘物以热收缩管的形式制成，充以耐火密封剂。
热收缩管优选由进行了热收缩改性的高分子有机硅化合物制成，并以硅聚合物基的单组分低分子不可燃树脂作为密封剂，该树脂在空气水分中硫化。
穿透结构的各导线可以放置在一根高分子有机硅化合物的管内，所述化合物进行了提供热收缩性的改性，该管的第一部分压到一个槽内。
附图说明
下面结合附图描述本发明的基本方案。
图1示出了穿透结构的纵剖面。
图2示出了穿透结构的一端面的纵剖面。
电密封穿透结构包括压力壳体1，密封的电模块2穿过该壳体，其借助于径向垫圈3密封在壳体的凸缘内。密封电模块包括金属管4和纵向密封的绝缘导线5。导线5借助于聚砜绝缘物6相对于管密封，在管端-弹性较小，则借助于更耐热的聚醚醚酮(例如KETRON PEEK1000或KETRON PEEK GF30)绝缘物7密封。为了避免聚合的绝缘物在火的作用下流出，在各模块的端部安装了热缩管形式的拖槽(trailer socket)8。它们由诸如TRS(Gremco，法国)的材料制成，充有防火密封剂9，例如弹性密封剂(Wakker，德国)。这种特定的材料不会在火的影响下变成导电胶，在长时间受到火的影响下也不会变形。
为了在拖槽受到明火影响的区域内的导线之间提供附加的电绝缘，在各导线上安装热收缩管10。这些管由TRS材料(Gremco，法国)制成，并覆盖有防火的无机材料(硼化硅玻璃或石英线)。
所述穿透结构在较高的温度和明火下保持运行性能，因为附加了绝缘物。在模块的端面上，除了聚砜绝缘物之外至少安装了一种这样的附加绝缘物。该绝缘物由在紧急运行状况下保持弹性的材料制成(聚醚醚酮PEEK，其允许温度为340℃)。这样，聚砜绝缘物保持良好的密封，而附加绝缘物防止紧急运行条件下聚砜流出或挤出。
为了在模块的端面上提供防火，可以安装附加的由热缩管构成的拖槽，管中充以防火密封剂，并可以借助于加热法在导线上安装防化学管。这些管不会在明火下变成导电胶，而且其内的未燃物不会在火的影响下变形。

Claims (4)

1.电密封穿透结构，包括一气压下的壳体、相对于该壳体密封的密封模块、密封的导线，这些导线通过聚砜绝缘物挤压在各模块的一金属管内，至少在各模块的一端安装聚醚醚酮(PEEK)绝缘物，其安装在聚醚醚酮绝缘物之后。
2.如权利要求1的穿透结构，其特征在于：所述附加的外部绝缘物以一热收缩管的槽的形式安装在各模块的端部，其内充以防火密封剂。
3.如权利要求2的穿透结构，其特征在于：所述热收缩管由高分子无机硅化合物制成，该化合物被改性以提供热收缩效果，而且将硅聚合物基上的低分子不可燃硅树脂用作密封剂。
3.如权利要求3的穿透结构，其特征在于：所述穿透结构的各导线放置在一根高分子无机硅化合物的管内，该化合物被改性以提供热收缩效果，该管的第一部分压入一个槽内。
CN2005800461030A 2005-02-17 2005-06-02 低压电密封穿透结构 Expired - Fee Related CN101099219B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2005104294 2005-02-17
RU2005104294 2005-02-17
PCT/RU2005/000300 WO2006088388A1 (en) 2005-02-17 2005-06-02 Electric hermetic penetrant structure of low voltage

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CN101099219A true CN101099219A (zh) 2008-01-02
CN101099219B CN101099219B (zh) 2010-12-15

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US (1) US7399923B2 (zh)
EP (1) EP1717822B1 (zh)
CN (1) CN101099219B (zh)
DE (1) DE602005016896D1 (zh)
WO (1) WO2006088388A1 (zh)

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CN104332190A (zh) * 2014-11-19 2015-02-04 中国核动力研究设计院 矿物绝缘组件及制备方法和具备矿物绝缘组件的安全装置

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CN104332190B (zh) * 2014-11-19 2017-04-12 中国核动力研究设计院 矿物绝缘组件及制备方法和具备矿物绝缘组件的安全装置

Also Published As

Publication number Publication date
WO2006088388A1 (en) 2006-08-24
US7399923B2 (en) 2008-07-15
EP1717822B1 (en) 2009-09-30
DE602005016896D1 (de) 2009-11-12
EP1717822A1 (en) 2006-11-02
CN101099219B (zh) 2010-12-15
US20070039752A1 (en) 2007-02-22
EP1717822A4 (en) 2007-02-21
WO2006088388A8 (fr) 2007-03-22

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