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CN102257267A - 具有对准装置的水电涡轮机系统和布置方法 - Google Patents

具有对准装置的水电涡轮机系统和布置方法 Download PDF

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CN102257267A
CN102257267A CN2009801509425A CN200980150942A CN102257267A CN 102257267 A CN102257267 A CN 102257267A CN 2009801509425 A CN2009801509425 A CN 2009801509425A CN 200980150942 A CN200980150942 A CN 200980150942A CN 102257267 A CN102257267 A CN 102257267A
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hydroelectric turbine
tidal flow
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alignment device
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CN102257267B (zh
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J·艾夫斯
P·邓恩
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
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    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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    • F03B13/26Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B9/00Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/08Tide or wave power plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/10Submerged units incorporating electric generators or motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00Other machines or engines
    • F03B17/06Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00Other machines or engines
    • F03B17/06Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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Abstract

本发明涉及具有对准装置的水电涡轮机系统,所述对准装置使得水电涡轮机系统能够在实现和保持系统的稳定性和期望取向的同时在流水潮中被下降到海底,所述水电涡轮机系统包括底座和安装到所述底座上的涡轮机。

Description

具有对准装置的水电涡轮机系统和布置方法
技术领域
本发明涉及水电涡轮机系统,特别地涉及包括安装到底座上的水电涡轮机的系统,所述系统包括在流水潮期间朝向海底的布置场所下降的同时稳定系统和/或使系统定向的装置。
背景技术
当前,并且在全球范围内,高度关注的是,CO2的排放对我们的环境正在引起破坏,尤其是由全球变暖造成的威胁。CO2排放的主要源头之一是通过化石燃料的燃烧进行大规模发电。然而,电是人类生存所必需的商品,因此在寻求进行大量发电的替代方法而无需使用化石燃料过程中有大量资源正在被耗费。尽管核能是一种这样的可选方案,大多数社会对于核电的负面影响不满,并且因此需要其它更多的可取方案。
因此近年来可再生能源已经引起了更多的关注,围绕太阳能动力、风能动力和潮汐能动力正在研发许多项目。在这些可选的能量形式中,假如潮汐流完全可预测且稳定,经论证潮汐发电是最有吸引力的,不像风能或太阳能相对间断且因此不太可靠。
然而,控制潮汐能确实具有其自身的挑战,特别是安装和维护潮汐电力发电机,例如水电涡轮机,由于水电涡轮机自身运行的特质,水电涡轮机必须定位在相对快流动的潮汐流中,并且更加期望定位在海底。这些条件显然不易满足并且不利于安全工作条件。安装有这种潮汐涡轮机的底座的安装通常采取将桩沉入海底,然后涡轮机或承载一个或多个涡轮机的辅助框架可以定位在该桩上。然而,在高潮汐流的区域中将桩沉入海底存在很大的问题且通常是危险的操作。另外,重大的钻孔打桩装备必须运送到安装场所处且在安装场所处工作,显著地增加了操作的复杂度和成本。
发明概述
根据本发明的第一方案,提供水电涡轮机系统,所述水电涡轮机系统包括底座和用于将所述底座对准到相对于潮汐流且在潮汐流中悬挂的期望取向的装置。
优选地,对准装置是被动的。
优选地,对准装置包括至少一个翼片。
优选地,对准装置包括多个翼片。
优选地,所述底座包括多个支腿,当位于海底上时,所述底座直立在所述支腿上,所述支腿中的至少一个具有从其延伸出的至少一个翼片。
优选地,对准装置布置为影响底座相对于潮汐流且在潮汐流中悬挂的期望取向的位移。
优选地,所述底座包括安装件,所述安装件的形状和尺寸设计为保持水电涡轮机。
优选地,所述系统包括安装在所述底座上的水电涡轮机。
优选地,对准装置布置为使系统取向为使得涡轮机与潮汐流的方向可操作地对准。
根据本发明的第二方案,提供将水电涡轮机系统布置在流动潮中的方法,所述方法包括下述步骤:
将布置容器和系统定位在布置场所的上方;
从所述容器朝向所述布置场所下降所述系统;
利用经过系统的水的潮汐流来实现和/或保持系统相对于潮汐流的期望取向。
优选地,所述方法包括利用经过系统的水的潮汐流来实现和/或保持系统在潮汐流中的稳定性。
优选地,在下降所述系统的步骤中,所述方法包括:在移动而经过系统的水的流动的影响下,利用容许将系统移位到期望取向的下降装置相对于潮汐流的方向。
优选地,所述方法包括允许潮汐流流动而经过所述系统上对准装置以便于影响所述系统的位移,从而相对于潮汐流稳定系统和/或使系统取向。
优选地,所述系统包括底座和能够安装在所述底座上的水电涡轮机,所述方法包括在朝向海底下降所述系统之前将涡轮机紧固到所述底座的步骤。
优选地,所述方法包括利用潮汐流使系统取向以使得涡轮机与潮汐流的方向可操作地对准。
附图说明
图1示出了根据本发明的水电涡轮机系统的第一实施方案的立体图;
图2示出了图1所示的水电涡轮机系统的部分的可选布置;
图3示出了根据本发明的水电涡轮机系统的第二实施方案的立体图;以及
图4示出了根据本发明的第三实施方案的水电涡轮机系统的部分的立体图。
发明详述
现在参考附图的图1,图示了根据本发明的水电涡轮机系统的第一实施方案,水电涡轮机系统通常表示为10,水电涡轮机系统设计为在高潮汐流的区域中定位在海底,从而实现水电发电。系统10包括底座12,底座12适合于在其上承载水电涡轮机T,该涡轮机T随后可以形成系统10的部分。在图示的实施方案中,底座12在平面图中为三角形,但是从系统10的运行的下述说明中将理解的是,底座12的形状不限于三角形,并且可以为任何其它适合的形式。还将理解的是,要安装在底座12上的水电涡轮机T可以为任何适合的形式。
底座12包括在底座12的由底脚18限定的各尖端之间延伸的作为后梁16的一对横梁14,梁14、16在底座12的由底脚18限定的各尖端之间延伸。底脚18可以适当地设计成以任何数量的布置固定到海底。底座12可以由任何适当的材料或材料的组合制成,并且在图示的实施方案中主要由钢管形成。底座12本质上可为模块化的,从而可以对底座12的单个部件进行维修和/或更换。
系统10进一步包括安装件20,安装件20紧固到底座12上,并且安装件20适合于将水电涡轮机T接受和紧固到其中。安装件包括:一对立柱22,所述立柱22中的每个从横梁14的各个延伸出;以及拼合环24,其支撑在立柱22上。环24为大致圆筒形形状,并且在使用时将水电涡轮机接受到其中,水电涡轮机可以经由涡轮机的定子(未示出)紧固到环24上。而且,将理解的是,安装件20的设计仅为用于将涡轮机紧固到底座12上的机构的一个实施例,并且安装件20可以为任何其它适合的形式。在图示的实施方案中,系统10设计为使得当安装到海底时底座12的纵轴线L应当布置场所处的潮汐流的方向基本对准。为了朝向水电涡轮机,安装件20因此直接取向为潮汐流的方向,使得底座12定位在海底。
目的是例如利用连接至底座12的多个下降线将系统10从小艇或类似的布置容器(未示出)下降至海底且从布置容器经由绞车下降。如上所述,其中将布置系统10的区域将为高潮汐流的区域,这在海面上和海面下均体现了艰难的工作条件。在这样的高潮汐流中从容器朝向海底下降物体非常难,并且通常将导致不期望的移动,诸如物体的自旋/振荡。这可导致用于下降物体的线的缠结,并且在水电涡轮机的情况下,水电涡轮机必须与潮汐流精确地对准,当将涡轮机定位到海底时,可导致非常难以使涡轮机相对于潮汐流的方向正确地取向。
通过提供安装到底座12的一对翼片26的形式的对准装置,并且尤其是从安装到任一后梁16上的底脚18向后延伸出的对准装置,本发明的系统10克服了上述问题。在图示的实施方案中,翼片26与底座12的纵轴线L基本对准。一旦下降到潮汐流中,翼片26用作为底座12提供稳定性且实现底座12相对于潮汐流对准的方向舵,迫使底座12旋转,直到纵轴线L与潮汐流的方向基本平行。当然,应当理解的是,翼片26的取向可以改变,以便于实现底座12相对于潮汐流的方向的期望取向。
在图示的实施方案中,目的是将系统10从布置容器下降到海底,使得后梁17限定系统10的尾边。这意味着,底座12的三角形平面的前向尖端指向潮汐流,使得一对翼片26从后面拖尾。在该位置上,一对翼片26在潮汐流中稳定系统10和使系统10取向这两个方面最有效。翼片26当然可以定位在任何其它位置处或者补充有由围绕底座12定位的附加翼片(未示出)。
因此,本发明的系统10利用了潮汐流的动能,从而在系统10从布置容器朝向海底下降时稳定了系统10且使系统10正确地取向。由于对准装置利用了作为提供上述功能的动力源的潮汐流的该动能,一对翼片26形式的对准装置因此可以为被动的。将理解的是,可以使用例如一个或多个推进器、喷水器等形式的主动型对准装置(未示出),从而当在潮汐流中下降时实现系统10的稳定和取向。然而,这既增加了系统10的成本又增大了系统10的复杂度,并且假定系统10将在长时期内驻留其中的恶劣水下条件,这种主动型对准装置的可靠性成为问题。对于系统10而言,被动翼片26为简单且高成本效益的对准装置。
现在转到图2,显示了底座12的后角,其中翼片26显示安装在稍微不同的位置上,由此在翼片26的上边缘和底脚18的顶部之间留出了间隙。这是为了防止翼片26穿透或以其它方式损坏用于布置系统10的小艇或类似的布置容器(未示出)。目的是将系统10下降到悬于布置容器下方的特定布置场所并且随后朝向海底下降远离布置容器的底侧。因此,特别是假定在这些布置场所处存在的相对恶劣条件,系统10可能从小艇的下方不平衡地下降,这可导致翼片26中的一个或多个接触到小艇的底侧。通过在底脚18的上边缘的稍下方下降翼片26,使得这种情况几乎不可能发生。
现在转到图3,图示了根据本发明的水电涡轮机系统的第二实施方案,水电涡轮机系统通常表示为110。在该第二实施方案中,相同的部件以相同的附图标记一致,并且否则阐述为执行相同的功能。系统110包括底座112,底座112由一对横梁114形成,横梁114连接到后梁116之间。底座112的每个顶端由底脚118限定。尽管未图示,在使用时,系统110将设置有用于将水电涡轮机T紧固至底座112以形成系统110的部分的安装件。
系统110进一步包括一对翼片126形式的对准装置,翼片126安装到后梁116上,并且翼片126从后梁116向上且向后伸出。在使用时,经过翼片126的水的潮汐流将比经过如定位在第一实施方案的系统10上的翼片26的流动较清澈或者较不湍流。结果,第二实施方案的翼片126在相对于潮汐流的方向稳定系统110和使系统110取向方面更加有效。
参考图4,图示了水电涡轮机系统的第三实施方案,水电涡轮机系统通常表示为210。在该第三实施方案中,相同的部件再次与相同的附图标记一致,并且否则阐述为执行相同的功能。图4仅示出了可选实施方案的部分,并且特别地示出了安装件220,水电涡轮机T紧固到安装件220上,与上文所述的第一实施方案的布置类似。
安装件220包括涡轮机T安置到其中的一对立柱222和环224。系统210进一步包括从一对立柱222伸出的一对翼片226形式的对准装置。而且,经过系统210的该位置的水的潮汐流可以比经过且围绕系统210的底座212的流动较不湍流。
当然,应当理解的是,可以利用对准装置的上述位置的组合来实现本发明。对准装置可以定位在任何其它适当的位置处并且可以为任何其它适合的形式,只要当在潮汐流中悬挂或被下降/提升时能够稳定系统和/或使系统取向即可。
因此,将理解的是,本发明的系统10、110、210以及布置根据本发明的水电涡轮机系统的方法,大幅度地简化了将水电涡轮机布置到海底。这是通过如下来实现的:当朝向海底下降时,使得系统稳定,并且相反地当系统从海底被提升时,例如用于维修或更换。本发明的系统和方法避免了下降线的缠结并且确保当系统到达海底时所述系统正确地取向,从而避免了在该阶段进一步定位的需要。另外,由于本发明的系统和方法设计为在与松弛水相对的流水潮期间允许进行布置,允许系统的布置或恢复的时间大大增加。

Claims (15)

1.水电涡轮机系统,其包括底座和用于将所述底座对准到相对于潮汐流且在潮汐流中悬挂的期望取向的装置。
2.根据权利要求1所述的水电涡轮机系统,其中所述对准装置为被动的。
3.根据权利要求1或2所述的水电涡轮机系统,其中所述对准装置包括至少一个翼片。
4.根据权利要求1至3中任一项所述的水电涡轮机系统,其中所述对准装置包括多个翼片。
5.根据权利要求3或4所述的水电涡轮机系统,包括多个支腿,当在海底时所述底座直立在所述支腿上,所述支腿中的至少一个具有从其延伸出的至少一个翼片。
6.根据前述权利要求中任一项所述的水电涡轮机系统,所述对准装置布置为在悬挂在潮汐流中的同时实现稳定所述底座。
7.根据前述权利要求中任一项所述的水电涡轮机系统,包括安装件,所述安装件的形状和尺寸设计为保持水电涡轮机。
8.根据前述权利要求中任一项所述的水电涡轮机系统,包括安装到所述底座上的水电涡轮机。
9.根据权利要求8所述的水电涡轮机系统,其中,所述对准装置布置为使所述系统取向为使得所述涡轮机与所述潮汐流的方向可操作地对准。
10.在流水潮中布置水电涡轮机系统的方法,所述方法包括下述步骤:
将布置容器和所述系统定位在布置场所的上方;
从所述容器朝向所述布置场所下降所述系统;
利用经过所述系统的水的潮汐流来实现和/或保持系统相对于所述潮汐流的期望取向。
11.根据权利要求10所述的方法,包括利用经过所述系统的水的潮汐流在实现和/或保持所述系统在所述潮汐流中的稳定性。
12.根据权利要求10或11所述的方法,在下降所述系统的步骤中包括:在移动而经过所述系统的水的流动的影响下利用允许使所述系统位移到期望取向的下降装置相对于所述潮汐流的方向。
13.根据权利要求10至12中任一项所述的方法,包括允许朝向流流动而经过所述系统上的对准装置,以便于实现所述系统的位移,从而使所述系统相对于所述潮汐流取向和/或稳定。
14.根据权利要求10至13中任一项所述的方法,其中,所述系统包括底座和能够安装在所述底座上的水电涡轮机,所述方法包括在朝向海底下降所述系统之前将所述涡轮机紧固到所述底座的步骤。
15.根据权利要求14所述的方法,包括利用所述潮汐流使所述系统取向以使所述涡轮机与所述潮汐流的方向可操作地对准。
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