CN202419967U - 一种塔式太阳能热发电站接收器 - Google Patents

一种塔式太阳能热发电站接收器 Download PDF

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Publication number
CN202419967U
CN202419967U CN2011204793856U CN201120479385U CN202419967U CN 202419967 U CN202419967 U CN 202419967U CN 2011204793856 U CN2011204793856 U CN 2011204793856U CN 201120479385 U CN201120479385 U CN 201120479385U CN 202419967 U CN202419967 U CN 202419967U
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receiver
cylinder
heat
reflecting plate
heat absorption
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CN2011204793856U
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余华阳
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/75—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with conical reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本实用新型公开了一种塔式太阳能热发电站接收器，属太阳能高温应用领域。为了吸收来自地面镜面场360度的反射光，已知接收器由若干根管子竖直排列为圆筒，圆筒表面为吸热面，由于吸热面外露，空气对流带走热量，降低了吸热效率。本技术是在圆筒接收器(1)的顶边设置反光板(3)，反光板(3)为锥形环面，它与圆筒接收器(1)的组合，就构成了一个环状的v形槽。在v形槽的笼罩下，吸热面上产生的热空气不致产生对流，减少了热量的对流损失。圆筒的红外幅射，也被反光板反射回吸热面再被吸收。这就有效提高了接收器的效率。设置反光板提高效率，比其他方式简便。

Description

一种塔式太阳能热发电站接收器
技术领域
本实用新型属于太阳能应用领域，特别是太阳能高温热发电。 
背景技术
【太阳能】期刊2007年1期12页，介绍了塔式太阳能热发电站的接收器，文章指出为了接收来自360度范围内定日镜的反射光，接收器由管子竖直排列为圆筒，圆筒的外表面为吸热面，由于吸热面外露，热量损失大，效率低。空腔式接收器的吸热面在底面，不外露，热损小，效率高，但定日镜场的布置要受到限制。 
发明内容
本实用新型的目的，是要提供一种，既不限制定日镜场的布置，又能提高效率的塔式太阳能热发电站接收器。 
其解决方案是，在圆筒接收器的顶边设置反光板，反光板的上面设置隔热层，隔热层的上面是金属外壳，金属外壳利用支撑架固定；反光板的形状为锥形环面；反光板与圆筒接收器的表面构成一个环状的v形槽。 
这样圆筒吸热面上产生的热空气，在v形槽的笼罩下，不易产生对流；吸热面的反射光和红外幅射，也被反光板反射回吸热面再被吸收。所以，这种结构的热量损失少，有效提高接收器的效率。地面镜面场的布置也不受限制。 
附图说明
附图为本实用新型接收器的剖面示意图。 
具体实施方式
反光板(3)用金属板制作，形状为锥形环面。在抛光的金属表面蒸镀反射膜成为反光板(3)，将反光板(3)设置在圆筒接收器(1)的顶边，反光板(3)上覆盖隔热层(4)，隔热层(4)的上面设置金属外壳(5)加以保护，再利用支撑架(6)固定。这样，反光板(3)与圆筒接收器(1)的表面就构成了一个倒立的v形槽。该v形槽笼罩着热空气，有效避免空气对流带走热量。由地面定日镜(2)反射到圆筒接收器(1)表面的反射光，大部份转换成热能被吸收。但还有一部份被圆筒表面反射。设置了反光板，圆筒的反射光和红外幅射，就被反光板反射到吸热面，再次被吸热面吸收。这就进一步提高了塔式太阳能热发电站接收器的吸热效率，又不影响地面镜面场的布置。用反光板提高效率比其他方式简便。 

Claims (1)

1.一种塔式太阳能热发电站接收器，由管子竖直排列为圆筒，圆筒的外表面为吸热面，其特征在于：在圆筒接收器(1)的顶边设置反光板(3)，反光板(3)的上面设置隔热层(4)，隔热层(4)的上面是金属外壳(5)，金属外壳(5)利用支撑架(6)固定；反光板(3)的形状为锥形环面；反光板(3)与圆筒接收器(1)的表面构成一个环状的v形槽。 
CN2011204793856U 2011-11-13 2011-11-13 一种塔式太阳能热发电站接收器 Expired - Fee Related CN202419967U (zh)

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CN2011204793856U CN202419967U (zh) 2011-11-13 2011-11-13 一种塔式太阳能热发电站接收器

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CN2011204793856U CN202419967U (zh) 2011-11-13 2011-11-13 一种塔式太阳能热发电站接收器

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914060A (zh) * 2012-11-16 2013-02-06 张翼飞 一种太阳能热水器
CN107218732A (zh) * 2017-06-19 2017-09-29 山西大学 一种高效的塔式太阳能柱体吸热器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102914060A (zh) * 2012-11-16 2013-02-06 张翼飞 一种太阳能热水器
CN107218732A (zh) * 2017-06-19 2017-09-29 山西大学 一种高效的塔式太阳能柱体吸热器

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