半导体温差发电技术在铝电解槽中的应用研究  

Application research of semiconductor thermoelectric generation in aluminum reduction cell

作　　者：张韬[1] 周孑民[1] 黄学章[1] 梁高卫[1] 徐冰[1] 

机构地区：[1]中南大学能源科学与工程学院,湖南长沙410083

出　　处：《热科学与技术》2010年第1期58-63,共6页Journal of Thermal Science and Technology

摘　　要：介绍了铝电解槽的结构与散热特点,通过计算侧部散热量及测试槽壁热流密度与温度,对温差发电技术在铝电解过程中的应用可行性进行研究。根据电解槽结构特点和温差发电的要求,设计加工温差发电装置,并在电解槽上进行现场实验,对发电装置的输出功率、热电转换效率进行测试计算。数据表明,温差发电在铝电解中应用是可行的,为铝电解过程的节能探索一条新途径。The structure and heat dissipation of aluminum reduction cell was introduced. The heat dissipating capacity of medial part was calculated, and the heat flux and temperature were tested for the feasibility study of thermoelectric generation. The thermoelectric generator was designed and processed based on the requirements for the structure of aluminum reduction cell and thermoelectric generation. It was tested on the aluminum reduction cell. The output power and generation efficiency was calculated. The results show that the application is feasible. A new energy saving method of aluminum electrolysis was explored.

关 键 词：铝电解 温差发电 余热利用 

分 类 号：TK514[动力工程及工程热物理—热能工程]