CN103649552A - 压力容器 - Google Patents
压力容器 Download PDFInfo
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- CN103649552A CN103649552A CN201280033852.XA CN201280033852A CN103649552A CN 103649552 A CN103649552 A CN 103649552A CN 201280033852 A CN201280033852 A CN 201280033852A CN 103649552 A CN103649552 A CN 103649552A
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- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
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- F15B2201/30—Accumulator separating means
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- F15B2201/00—Accumulators
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Abstract
本发明涉及一种压力容器,其优选使用在气囊式蓄能器(27)中,包括多件式的容器体(1),该容器体具有管状中间部件(3),所述中间部件在其两个端部的至少一个端部上具有末端区域(5、7),其特征在于,覆盖部件(9)至少部分地构成相应的末端区域(5、7),并且该覆盖部件在边缘侧至少在中间部件的可相应配设端部(13、15)的区域中搭接中间部件(3),以便形成固定连接。
Description
技术领域
本发明涉及一种压力容器,其优选使用在气囊式蓄能器中,包括多件式的容器体,该容器体具有管状中间部件,所述中间部件在其两个端部的至少一个端部上具有末端区域。此外,本发明涉及一种具有这种多件式容器体的气囊式蓄能器。
背景技术
具有多件式构造的容器体的用于在压力下存储液态和/或气态介质的蓄压器为现有技术。例如WO2007/085276A1公开了一种压力容器,在其中,多件式的容器体包括第一塑料外壳和包围第一塑料外壳的第二塑料外壳。构成容器芯的第一塑料外壳优选由聚酰胺制成并且借助吹塑成形法获得。第一外壳在外周侧通过从外侧缠绕的作为第二塑料外壳的纤维缠绕物加强。该加强用的缠绕物由纤维增强物、如碳纤维、芳纶纤维、玻璃纤维、硼纤维、Al2O3纤维或它们的混合物制成,所述纤维增强物埋入由热固性塑料(例如环氧树脂或酚醛树脂)制成的基体中或者埋入由例如PA12(尼龙12)、PA6(尼龙6)、PP(聚丙烯)等形式的热塑性塑料制成的基体中。
这种由塑料制成的压力容器的特征在于结构重量小并且在其内侧和/或外侧与腐蚀介质接触时不易受到腐蚀介质损坏,但这些优点需要相应的生产成本。
发明内容
鉴于该现有技术,本发明的任务在于提供一种压力容器,该压力容器在保持上述优点的情况下可相对简单和合理地生产。
根据本发明,该任务通过一种具有权利要求1全部特征的压力容器来解决。
本发明的基本特征在于,至少部分地构成相应末端区域的覆盖部件在边缘侧至少在中间部件的可相应配设的端部区域中搭接中间部件,以便形成固定连接。这实现了一种有利的可能性,即,构造轻质结构的加压密封的容器,在其中不必再如现有技术所示那样相叠地设置多个不同的塑料外壳,而是通过借助所示的覆盖部件封闭压力容器中间部件的所涉及的末端区域来制造该末端区域即可。除了简单的结构——其可合理且低成本地生产,在抗压强度值方面,上述根据本发明的压力容器解决方案与现有技术的耗费的解决方案相比也没有缺点。
在根据本发明的压力容器的一种优选的实施方式中规定,设有帽作为相应末端区域的另一组成部件,所述帽连接到中间部件的可相应配设的管端部上,其中,覆盖部件构造成覆盖层压件的形式;所述覆盖层压件至少部分地搭接相应的帽。就这点而言,管状中间部件在其两个自由端部的区域中除覆盖层压件外设有末端帽,从而与在省却帽时中间部件的自由端部直接用待成形为空心帽状的覆盖部件封闭的情况相比改善了密封效果并提高了强度值。
特别优选规定,管状中间部件以及相应帽由纤维复合材料和/或由纤维构成的层压件制成、优选由玻璃纤维增强塑料材料(GFK)制成。作为其它材料可使用芳纶纤维、碳纤维或所述材料的组合。因此可优选为中间部件使用GFK标准管,如为传统的设备结构以绕制方法大批量制造的并且可在市场上自由购得的标准管。这种管成本低廉并且可具有或不具有化学保护层,由此根据本发明的蓄压器可适配于相应的使用范围,也可用于具有特别有化学腐蚀性的介质的应用中。这种管例如由玻璃纤维增强的乙烯基酯树脂构成,并且用于封闭中间部件的帽优选以手动层压方法(Handlaminierverfahren)制出并且可由类似的塑料材料制成,相应的覆盖层压件也是如此,其向外以密封方式封闭上述由帽和中间部件构成的复合物。
在一种特别优选的实施方式中,根据本发明的压力容器的特征在于,所述相应的帽构造成半球的形状,所述半球具有至少一个被覆盖层压件露出的开口,以便引入相应的压力介质。将相应帽构造成半球已证明有利于将压力和压力峰值导入压力容器的容器材料中。压力容器无需完全由塑料材料制成。因此完全存在这样的可能性,即中间部件以及端帽之一由金属铸造材料制成,所述端帽作为压力容器的末端区域可相应地与中间部件通过常见的焊接方法加压密封地连接。与此相对,中间部件的另一端部可借助根据本发明构造的末端区域通过使用塑料覆盖层压件和/或塑料帽而相应封闭。就这点而言也可实现作为整体的压力容器的轻质结构。
为了能够将如此设计的压力容器用于尽可能大的使用范围中,优选想到压力容器的各部件的模块化结构,为此,中间部件可能在分为多个区段的情况下由各个管段构成,并且中间部件的管段例如可通过粘接连接彼此固定连接。
有利的是在此这样设置,使得所述帽与相关的管端部、例如借助多组分粘合剂粘接,然后通过覆盖层压件与管持久连接。
这种结构方式的特征还在于可靠的运行特性,原因在于这些构件的失效特性被称为温柔的,因为在内部压力过高时出现“渗出”,此时容器只是如同多孔管那样不密封。这源于如下效应:在过载时在层压件中产生越来越多的树脂断裂(中间纤维断裂),这最终导致不密封性同时过载相应减小,在此不会产生环境危害。
优选地,所述覆盖层压件超过在帽和管端部之间的连接点在相邻的管状中间部件的一个区域上延伸,以便使覆盖层压件可靠地连接到中间部件上。为了能够在压力容器内部吸收相应大的压力规定,覆盖层压件——其特别优选可按照手动层压方法在本来的容器壳体上被制造——在材料施加方面向用于供相关压力介质通过的自由开口的方向构造得更厚和/或更加紧凑。
在根据本发明的压力容器的一种特别优选的实施方式中可规定,借助两个相对置的覆盖层压件完全覆盖中间部件,其方式如下:两个覆盖层压件的两个彼此相邻的端部彼此加压密封地连接。在上述情况下,由塑料材料制成的中间部件是一种内衬,从而根据本发明的容器体也可毫无问题地用于高压范围中(>25巴)。
但在每种情况下,根据本发明的容器体与该特殊方案无关地在低压范围(<25巴)中且无需附加衬里(借助内衬)地保持加压密封。作为上述容器解决方案的替换方案,在形成内衬的情况下也可规定,所述压力容器的内部空间设有衬里、优选以在离心或旋转烧结方法中施加的塑料内衬的形式。
除了由此产生更高的抗压强度外,这种内衬也可用作化学保护层。为了实现特别高的抗压强度,覆盖层压件也可延伸于中间部件的整个管长度上。
为了形成气囊式蓄能器,两个帽可具有开口,所述开口之一与蓄能器气囊的内部空间连通。
本发明的主题根据权利要求10还包括一种气囊式蓄能器,其具有根据本发明的压力容器体并且设置用于介质分离,尤其是在海上设施中用于将水/乙二醇混合物与海水分离。
附图说明
下面借助附图详细说明本发明。附图如下:
图1为原理性以及未按比例地示出的根据本发明的压力容器的一种实施例的重要部件的纵向剖面图;
图2为气囊式蓄能器的类似于图1的纵向剖面图,该气囊式蓄能器具有图1的压力容器;
图3为图2的气囊式蓄能器的海水接头部件的放大局部俯视图。
具体实施方式
在所示实施例中,压力容器的容器体1由三个主要部件构成:圆柱形管3形式的中间部件和与构成中间部件的管3的端部邻接的末端区域5和7。构成中间部件的管3是以绕制方法制造的GFK管、例如由玻璃纤维增强的乙烯基酯树脂制成。末端区域5和7具有由合成树脂和增强材料制成的覆盖层压件9,所述覆盖层压件在所示例子中分别包围一个帽11的外侧,所述帽连接到管端部13和15上。帽11具有半球的形状,所述半球以手动层压方法的一种形式制出。帽11借助多组分粘合剂与管端部13和15粘接。如图所示,这样施加覆盖层压件9,使得它超过管端部13和15上相应的连接线17和19延伸一个长度范围,该长度范围优选是构成中间部件的管3的大致三分之一到四分之一。为了高抗压强度的容器体1,覆盖层压件9可施加在管3的整个长度上。
在所示例子中,中间部件3由一体的管3构成。当然,中间部件也可由一个以上的管构成,在此覆盖层压件9可延伸超过其它连接线。
在图1的例子中,在两个端帽11上相对于圆柱轴线21设置同心的介质开口23和25,所述介质开口被覆盖层压件9露出,其中,与管端部15相邻的开口25具有比另一开口23更大的直径。
图2以示意性简化图示出具有相应于图1所示实施例的容器体1的气囊式蓄能器。如图所示,在直径较小的开口23上设有接头部件29,该接头部件构成通入常见的蓄能器气囊33内部空间31中的流体连接装置。在直径较大的另一开口25上设置接头部件35,该接头部件构成通入位于蓄能器气囊33之外的空间37中的流体连接装置。在一种优选的应用中,蓄能器气囊33可构成活动的分离元件用于介质分离、例如在气囊式蓄能器27用于海上设施中时分离位于空间37中的海水与位于蓄能器气囊33内部空间31中的水/乙二醇混合物。
图2所示的设有根据本发明的压力容器的用于海上应用的气囊式蓄能器27的实施例在构成海水入口的接头部件35上具有海水筛网39。该海水筛网位于可拧入接头部件35中的螺纹嵌件41中。图3示出朝海水筛网39网孔图案观察的螺纹嵌件41的局部图。优选地,筛网39由与用作电解液的海水结合的阳极材料制成、例如铜,从而筛网39不仅防止生物或污物进入气囊式蓄能器27的空间37中,而且也构成抵抗微生物的保护装置。
Claims (10)
1.一种压力容器,其优选使用在气囊式蓄能器(27)中,包括多件式的容器体(1),该容器体具有管状中间部件(3),所述中间部件在其两个端部的至少一个端部上具有末端区域(5、7),其特征在于,覆盖部件(9)至少部分地构成相应的末端区域(5、7),并且该覆盖部件在边缘侧至少在中间部件的可相应配设的端部(13、15)的区域中搭接中间部件(3),以便形成固定连接。
2.根据权利要求1所述的压力容器,其特征在于,设有帽(11)作为相应末端区域(5、7)的另一组成部件,所述帽连接到中间部件(3)的可相应配设的管端部(13、15)上,并且覆盖部件(9)构造成覆盖层压件的形式,该覆盖层压件至少部分地搭接相应的帽(11)。
3.根据权利要求1或2所述的压力容器,其特征在于,所述管状中间部件(3)以及相应的帽(11)由纤维复合材料和/或由纤维构成的层压件制成。
4.根据上述权利要求之一所述的压力容器,其特征在于,所述相应的帽(11)构造成半球的形状,所述半球具有至少一个被覆盖层压件(9)露出的开口(23、25),以便引入相应的压力介质。
5.根据上述权利要求之一所述的压力容器,其特征在于,所述帽(11)与相配设的管端部(13、15)优选借助多组分粘合剂粘接。
6.根据上述权利要求之一所述的压力容器,其特征在于,所述相应覆盖层压件(9)超过在帽(11)和管端部(13、15)之间的连接点(17、19)至少在相邻的管状中间部件的一个区域上延伸,或者所述相应覆盖层压件通过使两个相对置的覆盖层压件(9)的两个彼此相邻的端部彼此加压密封地连接而完全覆盖中间部件(3)。
7.根据上述权利要求之一所述的压力容器,其特征在于,该压力容器的内部空间(37)具有衬里、优选以按照离心或旋转烧结方法施加的塑料内衬的形式的衬里。
8.根据上述权利要求之一所述的压力容器,其特征在于,为了形成气囊式蓄能器(27),两个帽(11)具有开口(23、25),所述开口之一(23)与蓄能器气囊(33)的内部空间(31)连通。
9.根据上述权利要求之一所述的压力容器,其特征在于,在帽(11)的设置用于供海水进入的开口(25)上设置海水筛网(39)。
10.一种气囊式蓄能器(27),其具有根据权利要求1至9之一所述的压力体(1)并且设置用于介质分离,尤其是在海上设施中用于将水/乙二醇混合物与海水分离。
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DE102011111098A DE102011111098A1 (de) | 2011-08-19 | 2011-08-19 | Druckbehälter |
PCT/EP2012/003264 WO2013026521A1 (de) | 2011-08-19 | 2012-08-01 | Druckbehälter |
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EP (1) | EP2745018B1 (zh) |
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CN107614893A (zh) * | 2015-04-15 | 2018-01-19 | 卷轴动力许可公司 | 活塞式蓄能器囊设备系统和方法 |
CN107709794A (zh) * | 2015-06-09 | 2018-02-16 | 贺德克技术有限公司 | 用于制造气囊式蓄能器的方法以及根据该方法制造的气囊式蓄能器 |
CN114923111A (zh) * | 2022-06-15 | 2022-08-19 | 江苏国富氢能技术装备股份有限公司 | 一种车载高压储气瓶及其制造方法 |
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CN107850258A (zh) * | 2015-07-10 | 2018-03-27 | 瑞好股份公司 | 用于存储和释放压缩流体燃料的压力箱组件 |
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EP2745018B1 (de) | 2020-10-07 |
US9133860B2 (en) | 2015-09-15 |
WO2013026521A1 (de) | 2013-02-28 |
US20140190965A1 (en) | 2014-07-10 |
EP2745018A1 (de) | 2014-06-25 |
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