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Content available remote Emulsification time in the agitation vessel equipped with double impellers
EN
The paper deals with the results of experiments on mixing in a vessel equipped with double impellers. The flat-bottomed vessel was equipped with the Rushton turbine (RT) or six flat blade turbines (FBT) or six pitched down blade turbines (PBT). The impellers were mounted symmetrically on the common shaft in various combinations of the two impellers. It has been found that the emulsification time of the oil phase decreases when the distance between the impellers increases. In this case, because of the smaller distance between the upper impeller and the oil phase, the hydrodynamic forces have greater influence. The lowest value of the emulsification time has been achieved for the vessel with the dual Rushton turbine (in comparison with the flat or pitched blade turbine).
EN
In the paper the results of investigations into liquid mixing in a vessel with two impellers located on the same shaft are presented. During the experiments the influence of a distance between impellers on the structure of flow generated in the vessel and power input was tested. The investigations were carried out for different position of the Rushton and pitched blade turbines.
EN
In this paper the power consumption, mixing time and mixing efficiency in a non-standard vessel equipped with various impellers have been investigated. The measurements of mixing time and power consumption were performed in water using turbine and disc impellers. It has been shown that mixing time depends strongly on the distance between impellers for multiple systems and on the clearance between a single impeller and tank bottom.
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