CN202419970U - 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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CN202419970U
CN202419970U CN2011204527985U CN201120452798U CN202419970U CN 202419970 U CN202419970 U CN 202419970U CN 2011204527985 U CN2011204527985 U CN 2011204527985U CN 201120452798 U CN201120452798 U CN 201120452798U CN 202419970 U CN202419970 U CN 202419970U
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heat
heat adsorption
cylinder
receiver
adsorption surface
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余华阳
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PANZHIHUA DINGHAO SOLAR TECHNOLOGY DEVELOPMENT ENGINEERING Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/44Heat exchange systems

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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,圆筒接收器的外表面为吸热面,叫第一吸热面,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)的顶边设置第二吸热面,它由吸热体(4)和隔热层(3)组成。吸热体(4)由焊接在吸热板上的换热管(6)与上汇流管(7)和下汇流(5)构成。第二吸热面与圆筒表面的第一吸热面构成一个环状的v形槽。吸热面产生的热空气在v形槽的笼罩下不致产生对流,减少了热量损失。圆筒的红外辐射,以及由定日镜(2)反射来的太阳光再被圆筒反射的一部分,均被第二吸热面再吸收。这就有效提高了接收器的效率。

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,圆筒接收器的外表面为吸热面,叫第一吸热面。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第二吸热面,第二吸热面由吸热体和隔热层及外壳组成,吸热体由焊接在吸热板上的换热管及上汇流管和下汇流管构成,第二吸热面与圆筒表面的第一吸热面构成一个环状的v形槽。 
这样高温吸热面上产生的热空气,在v形槽的笼罩下,不易产生对流,第一吸热面反射的光线和红外辐射也再度被第二吸热面吸收。所以,这种结构的热量损失少,有效提高接收器的效率。地面镜面场的布置又不受限制。 
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
制作吸热体(4)的工艺与制作管板式热水器板芯相似,不同的地方在于,吸热体(4)的上汇流管(7)与下汇流管(5)是环形。上汇流管(7)是小环,下汇流管(5)是大环。换热管(6)的上端连接于上汇流管(7),下端连接于下汇流管(5),中间焊接在吸热板上(吸热板图中未画出)构成吸热体(4)。吸热体(4)的上面覆盖隔热层(3),隔热层外面还应设置金属外表面加以保护。这第二吸热面还需利用支撑架(8)加以固定。吸热板表面涂以耐高温的减反射吸收涂层。这样就构成了一个环形的第二吸热面,它与圆筒表面的第一吸热面结合,构成一个倒置的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,大部分转换成热能被吸收。但还有一部分被圆筒表面反射。圆筒接收器(1)的反射光和红外辐射再度被第二吸热面吸收,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。 

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,圆筒接收器(1)的外表面为吸热面,叫第一吸热面,其特征在于:在圆筒接收器(1)的顶边设置第二吸热面,第二吸热面由吸热体(4)和隔热层(3)及外壳组成,吸热体(4)由焊接在吸热板上的换热管(6)及上汇流管(7)和下汇流管(5)构成,第二吸热面与圆筒表面的第一吸热面构成一个环状的v形槽。 
CN2011204527985U 2011-11-04 2011-11-04 一种塔式太阳能热发电站接收器 Expired - Fee Related CN202419970U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840680A (zh) * 2012-09-11 2012-12-26 杭州锅炉集团股份有限公司 带顶边吸热板结构的太阳能吸热器
CN103047776A (zh) * 2012-10-22 2013-04-17 张栋 太阳能塔式热发电新型高效接收器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840680A (zh) * 2012-09-11 2012-12-26 杭州锅炉集团股份有限公司 带顶边吸热板结构的太阳能吸热器
CN102840680B (zh) * 2012-09-11 2015-03-04 杭州锅炉集团股份有限公司 带顶边吸热板结构的太阳能吸热器
CN103047776A (zh) * 2012-10-22 2013-04-17 张栋 太阳能塔式热发电新型高效接收器
CN103047776B (zh) * 2012-10-22 2014-07-16 张栋 太阳能塔式热发电新型高效接收器

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