It has analyzed the inverted U type connecting pipe diameter of DN400 twin-tower ion exchange experimental device that mainly used in uranium hydrometallurgy corresponding industrial new fixed bed ion exchange equipment in the comprehensive consideration of the factors such as the tower body working pressure,resin transfer efficiency,cost-effective and so on,mainly through theoretical analysis and contrast analysis method.It aims to obtain the optimal pipe diameter ratio indoor test device and high performance/price ratio of the tube type for the field devices.Make it not only can effectively ...