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采用一种新的搅拌槽进行铜的悬浮电解。在搅拌槽中,通过在阴极下面的旋转搅拌,在水平网状阴极上形成铜粒的悬浮层。影响电解的因素很多。在这些影响因素中,本文研究了槽的结构、转速、加入号、颗粒大小、料层高度和电流密度。在最佳条件下,可在6厘米内径搅拌槽中得到槽电流为30安培,即电流密度为107安培/分米~2。在电解方面说明了转速与悬浮料层稳定性的关系。测定了悬浮料层中的电位分布和料层高度,观察了通电时料层的增涨和收缩。此外还讨论了流体动力学问题和形成料层所需要的能量。
A new stirred tank is used for the suspension electrolysis of copper. In a stirred tank, a suspended layer of copper particles was formed on the horizontal reticulated cathode by rotary stirring under the cathode. Many factors affect the electrolysis. Among these influencing factors, the structure, speed, accession number, particle size, material layer height and current density of the groove are studied. Under optimum conditions, a tank current of 30 amperes is obtained in a 6 cm ID stirred tank, ie a current density of 107 amperes / dm <2>. The relationship between speed and the stability of suspended material is described in terms of electrolysis. The potential distribution in the suspended material layer and the height of the material layer were measured, and the growth and shrinkage of the material layer were observed. In addition, fluid dynamics problems and the energy required to form the bed are discussed.