CN-224221328-U - Radium preparation facilities

CN224221328UCN 224221328 UCN224221328 UCN 224221328UCN-224221328-U

Abstract

The utility model discloses a radium preparation device, which comprises a radium conversion device and a radium purification device, wherein the radium conversion device comprises a dissolution container and a suction filtration device, the dissolution container is integrated with an ultrasonic vibration heating unit, a feeding unit is arranged outside the dissolution container, a discharge port of the dissolution container is provided with a separation unit, the feeding unit is connected with the dissolution container, an input end of the separation unit is connected with the discharge port of the dissolution container, the output end of the separation unit is provided with the suction filtration device, and an input end and an output end of the suction filtration device are respectively connected with the separation unit and the radium purification device. According to the radium preparation device provided by the application, mass transfer can be enhanced through mechanical vibration by the ultrasonic vibration heating unit integrated in the dissolution container, the reaction rate is improved through heating, the ultrasonic cavitation effect damages the radium surface liquid film of sulfuric acid, the diffusion of carbonate ions is accelerated, and the balance of chemical reaction is promoted to move towards the direction of generating radium carbonate through matching with heating, so that the conversion rate is improved, and the problems of low conversion efficiency and incomplete conversion of the conventional device are solved.

Inventors

ZHANG ZILU
HU SONG
Guo Fafa
ZHANG NAN
ZHANG QUANSHI

Assignees

西安迈斯拓扑科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250529

Claims (10)

1. The utility model provides a radium preparation facilities, characterized in that includes radium conversion device and radium purification device: the radium conversion device comprises a dissolution container and suction filtration equipment; the dissolution container is integrated with an ultrasonic vibration heating unit, a feeding unit is arranged outside the dissolution container, and a discharge hole of the dissolution container is provided with a separation unit; the feeding unit is connected with the dissolution container; The input end of the separation unit is connected with the discharge port of the dissolution container, and the output end of the separation unit is provided with suction filtration equipment; The input end and the output end of the suction filtration equipment are respectively connected with the separation unit and the radium purification device.
2. The apparatus of claim 1, wherein the apparatus comprises a radium solution collector, a syringe pump system, a separation column, a leaching unit, and a product collector; The input end of the radium solution collector is connected with the output end of the suction filtration equipment; The input end of the injection pump system is respectively connected with the radium solution collector and the leaching unit, and the output end of the injection pump system is connected with the input end of the separation column; The product collector is connected with the outlet of the separation column through a pipeline.
3. The laser preparation device of claim 2, wherein the syringe pump system comprises a first syringe pump and a second syringe pump; The input end and the output end of the first injection pump are respectively connected with the radium solution collector and the input end of the separation column; And the input end and the output end of the second injection pump are respectively connected with the input ends of the leaching unit and the separation column.
4. The laser preparation device according to claim 3, wherein a first multi-way valve is arranged on a connecting pipeline between the first injection pump and the laser solution collector; and a second multi-way valve is arranged on a connecting pipeline between the second injection pump and the leaching unit.
5. The laser preparation device according to claim 1, wherein the temperature control range of the ultrasonic vibration heating unit is 50-100 ℃, the vibration mode is intermittent, and the intermittent period is 1-5 min.
6. The laser preparation device according to claim 1, wherein the ultrasonic vibration heating unit comprises a temperature control sensor, an ultrasonic vibrator, a heater and a controller; The temperature control sensor and the ultrasonic vibrator are arranged in the dissolution container; the heater is arranged at the bottom of the dissolution container; the temperature control sensor, the ultrasonic vibrator and the heater are respectively connected with the controller.
7. The laser preparation device according to claim 2, wherein an upper layer of sieve plate and a lower layer of sieve plate are arranged in the separation column; DGA resin and lead resin are respectively filled in the upper layer of sieve plate and the lower layer of sieve plate.
8. The laser preparation device according to claim 2, wherein the feeding unit comprises a sulfuric acid laser adding unit, a saturated sodium carbonate adding unit, an ultrapure water adding unit and a nitric acid solution adding unit; The radium sulfate adding unit, the saturated sodium carbonate adding unit, the ultrapure water adding unit and the nitric acid solution adding unit are respectively connected with the feed inlet of the dissolution container.
9. The laser preparation device according to claim 2, wherein an electromagnetic valve is arranged between the input end of the suction filtration equipment and the separation unit, and the output end of the suction filtration equipment is provided with a waste liquid/reagent diversion unit; The input end of the waste liquid/reagent flow dividing unit is connected with the suction filtration equipment, and the output end of the waste liquid/reagent flow dividing unit is respectively connected with the waste liquid collector and the product collector.
10. The laser preparation device according to claim 9, wherein the suction filtration equipment comprises a suction filtration bottle, a negative pressure pump and a liquid suction equipment; the input end of the suction filtration bottle is connected with the output end of the separation unit, and the output end of the suction filtration bottle is respectively connected with the waste liquid collector and the product collector; The negative pressure pump is connected with the suction filtration bottle, and a check valve is arranged between the negative pressure pump and the suction filtration bottle; the input end of the liquid pumping equipment is connected with the suction filtration bottle, and the output ends of the liquid pumping equipment are respectively connected with the waste liquid/reagent diversion unit.

Description

Radium preparation facilities Technical Field The utility model relates to the technical field of radium preparation, in particular to a radium preparation device, and especially relates to a device for preparing a high-purity radium nitrate solution by taking insoluble radium sulfate as a raw material. Background In the fields of nuclear medicine, radiochemistry and material science, radium (Ra) is used as an important radionuclide, and its preparation technology has been a research hotspot. The common existing form of radium is insoluble radium salt (such as radium sulfate), high-purity soluble radium solution (such as radium nitrate) is needed to be obtained through chemical conversion and purification, but the existing preparation process is based on the double decomposition reaction (RaSO 4+Na2CO3→RaCO3↓+Na2SO4) of insoluble radium sulfate and sodium carbonate and is limited by solid-liquid mass transfer efficiency, the conversion can be completed by the traditional stirring and heating mode, and a reaction retardation layer is easy to form on the surface of radium sulfate, so that the conversion is incomplete (the concentration of residual sulfate ions is high). Disclosure of utility model In view of the above, the present application provides a radium preparation device for solving the problems of low conversion efficiency and incomplete conversion caused by the limitation of solid-liquid mass transfer efficiency in the double decomposition reaction of insoluble radium sulfate and sodium carbonate in the existing preparation process. A radium preparation device, which comprises a radium conversion device and a radium purification device: the radium conversion device comprises a dissolution container and suction filtration equipment; the dissolution container is integrated with an ultrasonic vibration heating unit, a feeding unit is arranged outside the dissolution container, and a discharge hole of the dissolution container is provided with a separation unit; the feeding unit is connected with the dissolution container; The input end of the separation unit is connected with the discharge port of the dissolution container, and the output end of the separation unit is provided with suction filtration equipment; The input end and the output end of the suction filtration equipment are respectively connected with the separation unit and the radium purification device. Preferably, the radium purification device comprises a radium solution collector, a syringe pump system, a separation column, a leaching unit and a product collector; The input end of the radium solution collector is connected with the output end of the suction filtration equipment; The input end of the injection pump system is respectively connected with the radium solution collector and the leaching unit, and the output end of the injection pump system is connected with the input end of the separation column; The product collector is connected with the outlet of the separation column through a pipeline. Preferably, the syringe pump system comprises a first syringe pump and a second syringe pump; The input end and the output end of the first injection pump are respectively connected with the radium solution collector and the input end of the separation column; and the input end and the output end of the second injection pump are respectively connected with the leaching unit and the input end of the separation column. Preferably, a first multi-way valve is arranged on a connecting pipeline between the first injection pump and the radium solution collector; and a second multi-way valve is arranged on a connecting pipeline between the second injection pump and the leaching unit. Preferably, the temperature control range of the ultrasonic vibration heating unit is 50-100 ℃, the vibration mode is intermittent, and the intermittent period is 1-5 min. Preferably, the ultrasonic vibration heating unit comprises a temperature control sensor, an ultrasonic vibrator, a heater and a controller; The temperature control sensor and the ultrasonic vibrator are arranged in the dissolution container; the heater is arranged at the bottom of the dissolution container; the temperature control sensor, the ultrasonic vibrator and the heater are respectively connected with the controller. Preferably, an upper layer of sieve plate and a lower layer of sieve plate are arranged in the separation column; DGA resin and lead resin are respectively filled in the upper layer of sieve plate and the lower layer of sieve plate. Preferably, the feeding unit comprises a radium sulfate adding unit, a saturated sodium carbonate adding unit, an ultrapure water adding unit and a nitric acid solution adding unit; The radium sulfate adding unit, the saturated sodium carbonate adding unit, the ultrapure water adding unit and the nitric acid solution adding unit are respectively connected with the feed inlet of the dissolution container. Preferably, an electromagnetic valve is arrange