Lanzhou University of Technology Institutional Repository (LUT_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 |
ISSN | 1359-4311 |
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 |
DOI | 10.1016/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 | |
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 |
推荐引用方式 GB/T 7714 | 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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