Research On Extraction Equipment Technology Of Melting Products In High Temperature Furnace Of Rare Earth Production Line

The electrolytic reduction processing of rare earth metals and alloys is a very special field in the production of various metal metallurgy.Due to the small scale of rare earth metal production units,the complex factors that affect equipment operation and product quality make it difficult to adopt conventional and mature technologies in the metallurgical industry.The automation level of supporting equipment needs to be improved urgently.The precise extraction of molten rare earth metal products under high temperature,narrow and large depth-to-diameter ratio environments is one of the technical bottlenecks of electrolysis process equipment.Among them,the development and application of lightweight and high-temperature resistant special manipulators directly affect the operation of automated production lines.Through the collection and processing of domestic and foreign market related data and information,combined with the current status and actual needs of the equipment of the entrusted enterprise.Analysis of the technical bottlenecks of the current conventional process equipment for rare earth electrolysis production.On the basis of studying the related theories of rare earth metallurgy,comprehensive functional structure,dynamic bearing,high temperature environment and other influencing factors.Use modern mechatronics technology to complete the structural design of the automatic extraction system for molten products.Create a 3D model of a special manipulator in the solidwords environment.Based on the solid heat transfer and multi-body dynamics physics,the solid model is reasonably simplified.Establish a three-dimensional finite element model of the electrolytic cell in the comsol software system,conduct a reasonable mesh division and verify its feasibility.Construct a high temperature environment for rare earth electrolysis production;import the special manipulator model into the finite element environment.According to the actual conditions of electrolysis production,the test method is designed,the simulation test conditions are determined,and the special manipulator gripping joint simulation test is carried out.Through the data processing of the manipulator simulation test,the bearing stress and strain of the special manipulator clamping rod under the influence of high temperature are quantitatively analyzed.Carry out the structural optimization of the initial design of the special manipulator.Based on the simulation optimization results,complete the manufacturing,assembly and debugging of the molten metal automatic extraction system,and run it in the actual production environment.The trial run results of the prototype wiring show that the mechanical and automatic control systems are operating stably;The trial run results of the prototype wiring show that the mechanical and automatic control systems are operating stably;The ratio of finished rare earth metal conversion materials is 1.15,reaching the current leading level of electrolysis technology;Under high temperature,dust and interference conditions,the system position repeatability accuracy is±1mm,the minimum movement cycle period is 40 s,and the maximum load is 30 kg,which meets the requirements of the 12 kA production line.