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The flash-binary power system enhances the production as compared with the single flash power system. In addition, compared with the two-stage flash power system, the single flash-binary power system can avoid some problems, such as the bulky equipments, the difficult installment and the high cost. Based on the numerical simulation, the effect of the geothermal water temperature on the net power output, the thermal efficiency and the optimal temperature of the flash-binary power system are discussed in this paper. The simulation results show that, when the temperature is 80℃, the net power output per geofluid is about 1.08 and 0.86 kW·h/t by the direct cooling and the indirect cooling of the flash system, respectively; when the temperature is 150℃, the values are 6.57 and 6.35 kW·h/t; when the geothermal water temperatures are 100, 130 and 150℃, the optimal temperatures of the combined system are 80 and 85℃, 100 and 115℃, 125 and 140℃ by the direct cooling and the indirect cooling of the flash system, respectively. In addition, the power output of the flash-binary system by the direct cooling is dominated by the flash power generation, while that by the indirect cooling is dominated by the binary power generation. The flash-binary power system could provide a technical support for the geothermal resource utilization in China., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=LGYWMiUUAhRuiDJkgov7aA==, pdfFileSize=1784107, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China, fund=null, authors=LUO Chao, XU Qionghui, YAO Yuan, GONG Yulie, MA Weibin, authorsList=LUO Chao;XU Qionghui;YAO Yuan;GONG Yulie;MA Weibin), CN=ArticleExt(id=1242130389754516064, articleId=1242130387044991967, tenantId=1146029695717560320, 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科技导报
| 研究论文 2013, 31(15): 39-43
地热闪蒸-双工质联合发电系统最佳参数选择
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骆超;徐琼辉;姚远;龚宇烈;马伟斌
作者信息
Optimal Parameter Selection of Geothermal Flash-binary Power System
LUO Chao;XU Qionghui;YAO Yuan;GONG Yulie;MA Weibin
Affiliations
出版时间: 2013-05-28
doi: 10.3981/j.issn.1000-7857.2013.15.006
文章导航
介绍了地热闪蒸-双工质联合发电方式,通过数学模拟,分析地热水温度对单位热水发电量、热效率和最佳温度的影响,计算结果表明,地热水温度为80℃时,闪蒸系统采用直接冷却和间接冷却方式的联合发电系统的单位热水净发电量分别为1.08和0.86kW·h/t,地热水温度为150℃时,闪蒸系统采用直接冷却和间接冷却方式的联合发电系统的单位热水净发电量分别为6.57和6.35kW·h/t;采用直接冷却方式的联合发电系统的发电量以闪蒸发电为主,采用间接冷却方式的联合发电系统的发电量以双工质发电为主;当热源温度为100、130和150℃时,采用直接冷却和间接冷却方式的联合系统的最佳温度分别为80和85℃、100和115℃、125和140℃。地热闪蒸-双工质联合发电技术可以为中国中低温地热资源开发提供技术支撑。
地热发电
/
闪蒸-双工质联合发电
/
最佳温度
/
参数选择
The flash-binary system includes the single flash power system and the binary cycle system. The flash-binary power system enhances the production as compared with the single flash power system. In addition, compared with the two-stage flash power system, the single flash-binary power system can avoid some problems, such as the bulky equipments, the difficult installment and the high cost. Based on the numerical simulation, the effect of the geothermal water temperature on the net power output, the thermal efficiency and the optimal temperature of the flash-binary power system are discussed in this paper. The simulation results show that, when the temperature is 80℃, the net power output per geofluid is about 1.08 and 0.86 kW·h/t by the direct cooling and the indirect cooling of the flash system, respectively; when the temperature is 150℃, the values are 6.57 and 6.35 kW·h/t; when the geothermal water temperatures are 100, 130 and 150℃, the optimal temperatures of the combined system are 80 and 85℃, 100 and 115℃, 125 and 140℃ by the direct cooling and the indirect cooling of the flash system, respectively. In addition, the power output of the flash-binary system by the direct cooling is dominated by the flash power generation, while that by the indirect cooling is dominated by the binary power generation. The flash-binary power system could provide a technical support for the geothermal resource utilization in China.
geothermal power
/
flash-binary power system
/
optimal temperature
/
parameter selection
骆超;徐琼辉;姚远;龚宇烈;马伟斌.
地热闪蒸-双工质联合发电系统最佳参数选择.
科技导报,
2013
, 31
(15)
: 39
-43
.
DOI: 10.3981/j.issn.1000-7857.2013.15.006
LUO Chao;XU Qionghui;YAO Yuan;GONG Yulie;MA Weibin.
Optimal Parameter Selection of Geothermal Flash-binary Power System[J].
Science & Technology Review ,
2013
, 31
(15)
: 39
-43
.
DOI: 10.3981/j.issn.1000-7857.2013.15.006
2013年第31卷第15期
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文章信息
doi: 10.3981/j.issn.1000-7857.2013.15.006
接收时间:2013-01-18
首发时间:2013-05-28
出版时间:2013-05-28
收稿日期:2013-01-18
修回日期:2013-02-26
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2013.15.006
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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