IR
Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit
Xue, Yuan1; Du, Xiaoze2; Ge, Zhihua1; Yang, Lijun1
2018-08
发表期刊APPLIED THERMAL ENGINEERING
ISSN1359-4311
卷号141页码:589-599
摘要In order to reduce the energy consumption of low temperature multi-effect distillation (LT-MED), three schemes were proposed to utilize the low-grade heat of thermal power unit. The LT-MED system was combined with the thermal power unit by abolishing gas-gas heater (GGH) to recover the waste heat of flue gas and utilize the recirculating seawater of steam turbine condenser. Physico- mathematical models were established, with which the fresh water production performance of each scheme was investigated. Comparing with the reference six effect TVC- MED system, the coal consumption rate of power generation dropped by 6.05 g/kWh for a 600 MW power generating unit, as well as thousand tons fresh water production could be obtained by using the flue gas as the heat resource of the first effect. Economic analysis results showed that reduce the amount of extraction steam from the turbine can significantly reduce water production cost. From the viewpoint of coal consumption rate, the combination of exhaust flue gas with the LT-MED system was better than that of heating condensed water. The gained output ratio (GOR) can be effectively enhanced up to 12.79.
关键词Power boiler Low grade heat utilization Seawater desalination Multi-effect distillation
DOI10.1016/j.applthermaleng.2018.05.129
收录类别SCI ; SCIE
语种英语
资助项目national "973 Program" of China[2015CB251503]
WOS研究方向Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS类目Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000440958800054
出版者PERGAMON-ELSEVIER SCIENCE LTD
EI入藏号20182505343069
EI主题词Seawater effects
EI分类号445.1 Water Treatment Techniques - 451.1 Air Pollution Sources - 471.4 Seawater, Tides and Waves - 503 Mines and Mining, Coal - 525.3 Energy Utilization - 525.4 Energy Losses (industrial and residential) - 641.1 Thermodynamics - 802.3 Chemical Operations - 822.1 Food Products Plants and Equipment - 911 Cost and Value Engineering ; Industrial Economics - 911.2 Industrial Economics
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/32532
专题兰州理工大学
能源与动力工程学院
通讯作者Du, Xiaoze
作者单位1.North China Elect Power Univ, Minist Educ, Key Lab Condit Monitoring & Control Power Plant E, Beijing 102206, Peoples R China;
2.Lanzhou Univ Technol, Sch Energy & Power Engn, Lanzhou 730050, Gansu, Peoples R China
通讯作者单位能源与动力工程学院
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Xue, Yuan,Du, Xiaoze,Ge, Zhihua,et al. Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit[J]. APPLIED THERMAL ENGINEERING,2018,141:589-599.
APA Xue, Yuan,Du, Xiaoze,Ge, Zhihua,&Yang, Lijun.(2018).Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit.APPLIED THERMAL ENGINEERING,141,589-599.
MLA Xue, Yuan,et al."Study on multi-effect distillation of seawater with low-grade heat utilization of thermal power generating unit".APPLIED THERMAL ENGINEERING 141(2018):589-599.
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