Self discharging vertical type Na131I production device

Abstract

The invention provides a self discharging vertical type Na131I production device. The self discharging vertical type Na131I production device comprises a motor I, a slide chute, a distillation furnace, an iodine gathering device and a controller, wherein the motor I is fixedly connected with the slide chute, the slide chute is connected with the distillation furnace in slide mode, the distillation furnace is connected with the iodine gathering device through a pipeline, and the controller are respectively connected with the motor I, the distillation furnace and the iodine gathering device in electrical mode. The iodine gathering device of the self discharging vertical type Na131I production device is designed in an integrated structure. The self discharging vertical type Na131I production device has an automatic distillation residue discharging function, can directly place an uncovered target cylinder in a ceramic crucible so as to achieve distillation, significantly improves a yield per unit, reduces radioactive contamination risk, solid waste output and the self size, and is compact in structure, suitable for Na131I destructive distillation production in a shield work box small in effective operation space, and good in operation stability, convenience and safety.

Description

technical field [0001] The invention belongs to the technical field of radioisotope preparation, in particular to a self-unloading vertical Na 131 I production device. Background technique [0002] The main production method of radioactive iodine-131 is tellurium dioxide (TeO 2 ) and from 235 Extracted from the lobes mixture of U. At present, sodium iodide (Na 131 I) Drugs are mainly derived from TeO irradiated from reactors by dry distillation 2 extraction, while the wet distillation process (including 235 The process of extracting iodine-131 from the split mixture of U) was eliminated due to defects such as low distillation efficiency, complex process, high cost, large amount of waste, and easy pollution. The process of producing iodine-131 by dry distillation is roughly: the activated TeO 2 Pour it into a quartz glass container, place it directly in the distillation device for high temperature (about 750°C) distillation, radioactive iodine-131 evaporates from the m...

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Problems solved by technology

[0005] In order to overcome the radioactive Na in the prior art 131 I production equipment can not automatically unload materials, single production capacity is small, work efficiency is low, there are many radioactive wastes, the utilization rate of raw materials is not high enough, it is easy to cause radioactive pollution in the workplace and radioactive iodine-131 steam processing equipment is large in size, short in working life, and difficult to maintain. Insufficiency that the maintenance operation is difficult, the invention provides a self-unloading vertical Na 131 I production device

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