Research on Improving the Bulk Density of Uranium Dioxide Products
In order to enhance the quality of uranium dioxide products,a comparison and analysis was conducted on the bulk density of uranium dioxide products in both the new and old uranium purifica-tion production lines.It was observed that the bulk density of products in the old production line ex-ceeded that of products in the new line.The primary factor contributing to this difference was identi-fied as significant fluctuations in crystallizing agent concentration of the new production line,resulting in inadequate crystallization effects for uranyl ammonium tricarbonate and smaller crystal sizes,conse-quently impacting crystal calcination effectiveness.As a result,there was a decrease in uranium diox-ide product density and overall product quality.To address this issue,several measures were imple-mented,such as merging ammonium carbonate preparation positions between the new and old produc-tion lines,unifying and localizing crystallizing agent supply,enriching recovered ammonium carbonate solution,and flushing pipeline with steam flushing.These actions successfully resolved fluctuation problems related to crystallization effects within the new production line,leading to an average in-crease of 5.71％in bulk density of uranium dioxide products as well as an average net weight per bar-rel increase by 4.73％.Consequently,notable improvements were achieved regarding product quality for uranium dioxide.
uranium dioxidebulk densitynet weight of product per barrelcrystallizing agentcon-centration control
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维普
