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Gas-liquid Two-phase Of Flow Study On The Impact Of The Electrolysis Process On Rare Earth Electrolytic Cell.

Posted on:2011-06-28Degree:MasterType:Thesis
Country:ChinaCandidate:Y X LiuFull Text:PDF
GTID:2131330338978760Subject:Thermal Engineering
Abstract/Summary:PDF Full Text Request
Metallurgical industry is one of the most energy consumption industries. For the electrolysis cell, reducing their energy consumption will not only bring lower energy consumption, but also reduce the cost of the product and increase its market competitiveness. Electrolysis is one of the most important technique of rare earth smelt. What's more, the optimization design of Energy Saving electrolysis cell has an important significance in metallurgical industry. In the rare earth electrolysis cell, there exists complicated physical fields, while the research of the flow field is the basis of understanding other physical fields. In this paper,we take the 3KA RE electrolytic cell as the actual prototype, and study the influence of the electrolyzer anode gases to the fluid flow by the numerical simulation method.The upwards floating of anode bubbles is the main factor influencing the flow fields. As we all know, the anode bubbles formed in the RE electrolytic cell is a electrochemical reaction. The method of the gas-liquid two phase flow was adopted mainly in the physical simulation of gas generation process in the previous research.In this paper, the Surface chemical reaction model combined with two phase flow model was used to simulate the influence of the naturallyoccurring gas to the fluid flow under the electrochemical reactions. So the process of research is further connected with nature,and the simulation truly reflects the the actual process of electrolysis.Secondly,factors which influence the flow field include the change of the anode current density, the electrolytic cell electrode insertion depth, and cell spacing change on polar electrolyzer to flow field, as well as the naturally occurring gas to the fluid flow under the electrochemical reactions, which are all analyzed in this paper. According to the comparation, we obtain an ideal groove structure of the rare earth electrolytic cell. As basic application research, this project has a very strong pertinency and practicability. It is not only the theoretical exploration and the the innovation of practice ,but also provides an theoretical basis for the actual production.
Keywords/Search Tags:on rare earth electrolytic cell, fluid field, analog simulation
PDF Full Text Request
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