CN101743053A - 用于通过隔膜蒸馏来净化水和产生电的方法和装置 - Google Patents
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Abstract
一种用于产生清洁水和电的方法,其中,使得要清洁的水通过一个或多个单元(1)来进行隔膜蒸馏,该单元包括:第一壁(2),该第一壁为水不可透过,且该第一壁具有板的形式;隔膜(3),气态相的水能够通过该隔膜,而流体相的水不能够通过该隔膜;以及第二壁(4),该第二壁为板的形式,这些壁位于隔膜(3)的不同侧上,并距离该隔膜(3)特定距离,其中,水被引导进入第一壁(2)和隔膜(3)之间,并使得第二壁比水冷。本发明的特征在于:使得第一壁(2)是具有电活性层(9)的太阳能电池面板(8),该电活性层(9)朝向背离隔膜(3),且该太阳能电池面板(8)定位成使它由阳光照射。
Description
本发明涉及一种用于制造清洁水和电的方法以及用于该方法的装置。
世界上很多地方缺少清洁水以及也缺少电力。用于从水中清除污染物(例如使海水脱盐)的装置是已知的。这样的装置通常需要电来工作,例如用于向泵和控制系统供电。
这样的装置是用于隔膜蒸馏的单元。从1980年代起就知道隔膜蒸馏(简写为“MD”)用于清洁水。隔膜蒸馏装置是包括多个板形式的平行隔膜蒸馏单元的装置。各单元包括:第一板,水不能够通过该第一板;隔膜,该隔膜与板平行;以及第二板,水不能够通过该第二板,且该第二板与隔膜平行。只有气态的水(即水蒸汽)可以通过隔膜。热的水在第一板和隔膜之间流过。第二板比流动的水冷。在水和更冷的板之间的温度差导致水蒸发,穿过隔膜并冷凝在更冷的第二壁上。水的表面张力保证水不能够穿过隔膜。这样的隔膜蒸馏单元公开在瑞典专利8002233-8中。
隔膜蒸馏可以用于很多领域,例如海水的脱盐。这样,除了清洁水之外的所有物质都保留在要清洁的水中。因此,冷凝的水没有盐,即为淡水。
当使用隔膜蒸馏时产生的一个问题是通常缺少电。世界上很多缺少淡水的地方也缺少电。气候通常较热,日照时间长。
本发明涉及一种方法,在该方法中,隔膜蒸馏单元能够用于在不能够获得外部电源的情况下清洁水。
因此,本发明涉及一种产生清洁水和电的方法,在该方法中,使得要清洁的水通过一个或多个单元来进行隔膜蒸馏,该单元包括:第一壁,该第一壁为水不可透过,且该第一壁具有板的形式;隔膜,气态的水能够通过该隔膜,而液相的水不能通过该隔膜;以及第二壁,该第二壁为板的形式,这些壁位于隔膜的不同侧上,并离该隔膜特定距离,其中,水被导入第一壁和隔膜之间,并使得第二壁比水冷,其特征在于:使得第一壁是具有电活性层的太阳能电池面板,该电活性层朝向背离隔膜,且该太阳能电池面板定位成使它由阳光照射。
而且,本发明还涉及一种具有权利要求5中所述特征的装置。
下面将结合附图中所示的本发明实施例来更详细地介绍本发明,在附图中:
图1示意性地显示了现有技术的隔膜蒸馏单元。
图2示意性地显示了本发明的隔膜蒸馏单元。
本发明采用的原理如图1中所示。本发明涉及一种用于产生清洁水和电的方法。使得要清洁的水通过一个或多个隔膜蒸馏单元来进行隔膜蒸馏,其中,各单元1包括:第一壁2,该第一壁为水不可透过,且该第一壁具有板的形式;隔膜3,气态相的水能够通过该隔膜,而液态相的水不能够通过该隔膜;以及第二壁4,该第二壁为板的形式。壁2、4位于隔膜3的不同侧上,并距离该隔膜3特定的距离。水被引入第一壁2和隔膜3之间的空间5中,如箭头6所示。使得第二壁4比水冷。由于第二壁4比水冷,因此穿过隔膜的水蒸汽冷凝在第二壁4上,并被如箭头7所示输送出。
第二壁4可以通过利用例如未加热的海水冷却来保持在低于加热的水的温度,或者它可以设置有冷却凸缘或者其它合适装置。
根据本发明,使得第一壁2为具有电活性层的太阳能电池面板8,该电活性层朝向背离隔膜3。太阳能电池面板为合适的已知类型,它在它的活性表面9受到阳光照射时产生电。太阳能电池面板8定位成使它由阳光照射。
图2显示了隔膜蒸馏单元1的侧视图,其中,太阳能电池面板8构成第一壁2。隔膜3的位置由虚线10表示。水通过管11被供给到单元1中,该水通过管12从单元流出。冷凝的水通过管13从单元流出。箭头14表示阳光辐射的照射。
需要清洁或脱盐水的地区通常有很长的日照时间。太阳能电池面板8产生电,该电通过电导体15被取出。太阳能电池面板8在阳光照在它上面时变热。该热量通过面板而被导向流动的水。太阳能电池面板的下表面(和因此整个太阳能电池面板)这样被冷却。太阳能电池面板的冷却提高了它们的效率。因此,太阳能电池面板被冷却,这提高了它的效率,同时,水的温度升高,这导致更多的水蒸汽通过隔膜,以冷凝在第二壁4上。
水在被导入隔膜蒸馏单元之前的初始加热可以通过已知类型的太阳能收集器来进行。
如果产生的电力储存在电池(未示出)中,或者供给到现有的电供应网络中是合适的。然后,产生的电能用于向图中未示出的合适泵供电,以便泵送加热的水进入到单元中,并控制可以用于控制水的流动的任意阀。不需要用于隔膜蒸馏单元的工作的电能可以用于各种其它用途。
因此,通过本发明获得一种方法和装置,它们只需要阳光和水来产生清洁水,例如脱盐的海水。
上面只介绍了单个单元。根据所希望的能力,两个或多个单元可以相对于水流串联或并联地连接。
根据一个优选实施例,使得要清洁的水在封闭环路中流过所述一个或多个单元,其中,使得封闭环路以与气态相的水通过隔膜的速率相同的速率充装要清洁的水。
第二壁4可以为塑料或金属。隔膜3为聚合物材料。太阳能电池面板为合适的已知类型,例如由玻璃材料构成,多个电层施加在该玻璃材料上。
上面已经描述了多个实施例。不过,应当知道,所述单元可以有另外的设计,尽管它的基本结构是上述结构。例如,透明壁可以布置在太阳能电池面板的、具有活性层的一侧的顶部,以便也通过水来冷却太阳能电池面板的该侧。
因此,本发明并不局限于上述实施例,因为它可以在由附属权利要求限定的范围内变化。
Claims (5)
1.一种用于产生清洁水和电的方法,其中,使得要清洁的水通过一个或多个单元(1)来进行隔膜蒸馏,该单元包括:第一壁(2),该第一壁为水不可透过,且该第一壁具有板的形式;隔膜(3),气态相的水能够通过该隔膜,而流体相的水不能够通过该隔膜;以及第二壁(4),该第二壁为板的形式,这些壁位于隔膜(3)的不同侧上,并距离该隔膜(3)特定距离,其中,水被引导进入第一壁(2)和隔膜(3)之间,并使得第二壁比水冷,其特征在于:使得第一壁(2)是具有电活性层(9)的太阳能电池面板(8),该电活性层(9)朝向背离隔膜(3),且该太阳能电池面板(8)定位成使它由阳光照射。
2.根据权利要求1所述的方法,其特征在于:使得要清洁的水在封闭环路中流过所述一个或多个单元(1),其中,使得封闭环路以与气态相的水通过隔膜(3)的速率相同的速率充装要清洁的水。
3.根据权利要求1或2所述的方法,其特征在于:使得由太阳能电池面板(8)产生的电用于向属于用于隔膜蒸馏的装置的所需泵供电。
4.根据权利要求1、2或3所述的方法,其特征在于:使得由太阳能电池面板(8)产生的电用于向属于用于隔膜蒸馏的装置的所需电控制电路和任何所需阀进行供电。
5.一种用于产生清洁水和电的装置,其中,要清洁的水通过一个或多个单元来进行隔膜蒸馏,该单元包括:第一壁(2),该第一壁为水不可透过,且该第一壁具有板的形式;隔膜(3),气态相的水能够通过该隔膜,而流体相的水不能够通过该隔膜;以及第二壁(4),该第二壁为板的形式,这些壁位于隔膜(3)的不同侧上,并距离该隔膜(3)特定距离,其中,水被引导入到第一壁(2)和隔膜(3)之间,且第二壁布置成使它比水冷,其特征在于:第一壁(2)是布置成产生电力的太阳能电池面板(8),太阳能电池面板(8)的具有电活性层(9)的一侧朝向背离隔膜(3)。
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CN102974224A (zh) * | 2012-11-26 | 2013-03-20 | 东南大学 | 太阳能溶液预处理膜式再生装置 |
CN109626470A (zh) * | 2018-12-27 | 2019-04-16 | 武汉大学 | 太阳能电池发汗冷却及多级海水淡化耦合系统 |
CN113039008A (zh) * | 2018-11-15 | 2021-06-25 | 阿卜杜拉国王科技大学 | 通过膜蒸馏同时发电和生成淡水的太阳能的系统及方法 |
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US9259662B2 (en) | 2008-02-22 | 2016-02-16 | James Weifu Lee | Photovoltaic panel-interfaced solar-greenhouse distillation systems |
US8673119B2 (en) * | 2008-02-22 | 2014-03-18 | James Weifu Lee | Photovoltaic panel-interfaced solar-greenhouse distillation systems |
US10093552B2 (en) | 2008-02-22 | 2018-10-09 | James Weifu Lee | Photovoltaic panel-interfaced solar-greenhouse distillation systems |
WO2014192988A1 (ko) * | 2013-05-27 | 2014-12-04 | Yang Dae-Ryook | 압력지연식 막증류를 이용한 발전 겸용 정수화 장치 |
SE2150984A1 (en) * | 2021-08-03 | 2023-02-04 | Aktiebolaget Scarab Dev | Hydrogen Gas Production System with Integrated Water Purification and Water Electrolysis |
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US4259122A (en) * | 1978-12-08 | 1981-03-31 | Exxon Research And Engineering Co. | Selenium photovoltaic device |
US4545863A (en) * | 1982-09-20 | 1985-10-08 | Olin Corporation | Automated membrane test cell apparatus and method for so using |
SE448085B (sv) * | 1985-07-04 | 1987-01-19 | Svenska Utvecklings Ab | Anordning for avsaltning av saltvatten med membrandestillation |
JP2733661B2 (ja) * | 1988-03-11 | 1998-03-30 | 株式会社小松製作所 | 透過蒸発分離装置 |
JPH07768A (ja) * | 1993-06-15 | 1995-01-06 | Hitachi Ltd | 膜蒸留装置 |
US7153395B2 (en) * | 2001-05-01 | 2006-12-26 | Solaqua, Inc. | Systems and methods for solar distillation |
US8673119B2 (en) * | 2008-02-22 | 2014-03-18 | James Weifu Lee | Photovoltaic panel-interfaced solar-greenhouse distillation systems |
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2007
- 2007-07-02 SE SE0701599A patent/SE0701599L/xx not_active Application Discontinuation
-
2008
- 2008-06-25 US US12/667,064 patent/US20110042314A1/en not_active Abandoned
- 2008-06-25 CN CN200880022990A patent/CN101743053A/zh active Pending
- 2008-06-25 WO PCT/SE2008/050769 patent/WO2009005453A1/en active Application Filing
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102974224A (zh) * | 2012-11-26 | 2013-03-20 | 东南大学 | 太阳能溶液预处理膜式再生装置 |
CN113039008A (zh) * | 2018-11-15 | 2021-06-25 | 阿卜杜拉国王科技大学 | 通过膜蒸馏同时发电和生成淡水的太阳能的系统及方法 |
CN109626470A (zh) * | 2018-12-27 | 2019-04-16 | 武汉大学 | 太阳能电池发汗冷却及多级海水淡化耦合系统 |
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SE0701599L (sv) | 2009-01-03 |
WO2009005453A1 (en) | 2009-01-08 |
US20110042314A1 (en) | 2011-02-24 |
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