Multi-isotope purification and separation device

Abstract

The utility model discloses a multi-isotope purification and separation device which comprises a plurality of transfer cylinders which can be communicated end to end. The multi-isotope purification and separation device further comprises an evaporation assembly, a chromatography assembly and a membrane separation assembly, wherein the evaporation assembly comprises a distillation flask, and a glass guide pipe is arranged at the upper end of the distillation flask; evaporation pipelines are arranged on the distillation flask and are positioned on two sides of the glass guide pipe; the chromatographic assembly comprises a transfer conduit arranged on a transfer cylinder, and a chromatographic column is arranged at the lower end of the transfer conduit; the transfer conduit is divided into two sections, and a filter is connected between the two sections; the membrane separation assembly comprises a transfer conduit II and a filter II which are communicated with a transfer cylinder; a membrane separation pipe is arranged at the lower end of the transfer conduit II. According to the device, different treatments can be carried out on a plurality of isotopes of hydrogen and oxygen elements, a plurality of steps of evaporation, condensation, liquid chromatography, membrane separation and the like are integrated, different pre-treatments can be carried out according to the separation requirements of different isotopes, and the isotope separation efficiency and the operation convenience degree are improved.

Description

Technical Field

[0001] This utility model relates to the field of isotope technology, specifically to a multi-isotope purification and separation device. Background Technology

[0002] Isotope separation and purification is a chemical and physical method for separating, purifying, and concentrating an isotope of a chemical substance from other isotopes. Isotope separation is an important chemical technique used to separate isotopes with the same atomic number but different masses, thereby obtaining pure isotope samples. Isotope separation has wide applications in fields such as nuclear energy, medicine, and geology.

[0003] Natural water samples are composed of hydrogen and oxygen, which contain a variety of stable isotopes. These isotopes play an important role in hydrogeology, environmental science, and climate research. The specific separation methods for different isotopes vary. In the current technology, there are various methods for isotope separation of hydrogen, such as water electrolysis and distillation. These methods require different equipment, have low continuity, and require multiple transfers, indicating room for technological improvement. Utility Model Content

[0004] This invention aims to solve the technical problem that the separation of different isotopes involves multiple methods, requires different equipment, and has low continuity, by providing a multi-isotope purification and separation device.

[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a multi-isotope purification and separation device, comprising multiple transfer cylinders that can be connected end to end; and further comprising:

[0006] An evaporation assembly includes a distillation flask, the upper end of which is provided with a glass tube, the upper end of which is connected to a corresponding transfer cylinder; evaporation pipes are provided on the distillation flask and on both sides of the glass tube.

[0007] A chromatographic assembly includes a transfer tube mounted on a transfer cylinder, with a chromatographic column detachably mounted at the lower end of the transfer tube; the transfer tube is divided into two sections, with a filter connecting the two sections.

[0008] A membrane separation assembly includes a transfer conduit two connected to a transfer tube and a filter two, wherein the lower end of the transfer conduit two is provided with a membrane separation tube.

[0009] Furthermore, all the transfer cylinders are made of glass.

[0010] Furthermore, both ends of the transfer cylinder are provided with connectors, and adjacent connectors are connected by wrapping with elastic bands; the connectors near the ends are sealed with soft plugs.

[0011] Furthermore, a heating base is provided below the distillation flask.

[0012] Furthermore, the glass tubing is equipped with valve one, the transfer tubing is equipped with a pump, and valve two is provided between the transfer tubing and the chromatographic column.

[0013] Furthermore, the filter is equipped with multiple layers of gel purification mesh.

[0014] Furthermore, the membrane separation tube is provided with several electric heating tubes on its outer side; the membrane separation tube is provided with several target tubes inside, and each target tube is connected to a flow divider at its upper end, with a branch pipe connected to the transfer conduit at its upper end; the membrane separation tube is provided with two gas pipes at its upper end.

[0015] The advantages of this utility model compared with the prior art are as follows:

[0016] It can perform different treatments on multiple isotopes of hydrogen and oxygen, integrating multiple steps such as evaporation, condensation, liquid chromatography, and membrane separation into one unit. It can perform different pretreatments for the separation requirements of different isotopes, improving the efficiency and ease of operation of isotope separation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a cross-sectional view of the evaporation component of this utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the chromatography component of this utility model.

[0020] Figure 4 This is a cross-sectional view of the membrane separation component of this utility model.

[0021] As shown in the figure: 1. Transfer tube, 2. Connector, 3. Distillation flask, 4. Heating seat, 5. Glass tubing, 6. Evaporation pipe, 7. Valve 1, 8. Transfer tubing, 9. Chromatographic column, 10. Filter, 11. Pump, 12. Valve 2, 13. Gel purification mesh, 14. Transfer tubing 2, 15. Filter 2, 16. Membrane separation tube, 17. Electric heating tube, 18. Target tube, 19. Splitter, 20. Gas pipe. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] Example 1, in conjunction with Appendix Figure 1A multi-isotope purification and separation device includes multiple transfer tubes 1 that can be connected end to end. Specifically, each transfer tube 1 has a connector 2 at both ends, and adjacent connectors 2 are connected by wrapping with elastic bands. The operation is simple and quick. The number of transfer tubes 1 can be increased or decreased at any time by using common laboratory elastic bands. Corresponding processing steps and devices can be added for different isotopes. The connectors 2 near the ends are sealed with soft plugs to form a closed passage and prevent leakage. The transfer tubes 1 are all made of glass, with stable structure and high temperature resistance.

[0024] Combined with appendix Figure 1 , 2 Evaporation assembly; including distillation flask 3, with heating base 4 below distillation flask 3. Heating base 4 has multiple options, including electric heating, which can continuously transfer heat to distillation flask 3 to keep it boiling and separate the elements to be evaporated.

[0025] The distillation flask 3 is equipped with a glass tube 5 at its upper end, and the upper end of the glass tube 5 is connected to the corresponding transfer tube 1. Evaporation channels 6 are provided on both sides of the distillation flask 3 and located on both sides of the glass tube 5. During operation, when the isotope required for the experiment is the residue after evaporation, the glass tube 5 is closed, and the vapor is directly discharged through the evaporation channel 6. When the isotope required for the experiment is contained in the evaporated portion, the evaporation channel 6 is closed, and the evaporated liquid is collected through the glass tube 5. It is worth mentioning that the transfer tube 1 connected to the glass tube 5 needs to be equipped with materials such as liquid nitrogen to assist in condensation, which can accelerate the condensation of vapor and obtain the desired element liquid.

[0026] Combined with appendix Figure 1 , 3 The chromatographic assembly includes a transfer tube 8 on a transfer tube 1, and a chromatographic column 9 detachably mounted at the lower end of the transfer tube 8, so that the chromatographic column 9 can be directly transferred to the column rack of the chromatograph after collection for liquid chromatography analysis.

[0027] The transfer catheter 8 is divided into two sections, and a filter 10 is connected between the two sections. The filter 10 contains a multi-layer gel purification mesh 13. Gel purification uses gel material filtration. Gel filtration separates molecules based on differences in molecular size and can block some molecules as needed for separation.

[0028] In addition, valve 7 is provided on glass tubing 5 and pump 11 is provided on transfer tubing 8; valve 12 is provided between transfer tubing 8 and chromatographic column 9; the opening and closing of glass tubing 5 and transfer tubing 8 can be controlled by valve 7 and valve 12, which facilitates path control according to different isotope separation steps and processes.

[0029] Combined with appendix Figure 1 , 4The membrane separation assembly includes a transfer conduit 14 connected to a transfer tube 1 and a filter 15, which perform the same separation and filtration function as the filter 10.

[0030] The lower end of the transfer conduit 14 is provided with a membrane separation tube 16; several electric heating tubes 17 are provided on the outside of the membrane separation tube 16 for auxiliary heating to improve the separation efficiency of the target tube 18; several target tubes 18 are provided inside the membrane separation tube 16, and each target tube 18 is connected to a flow divider 19 at its upper end. The upper end of the flow divider 19 is provided with a branch pipe connected to the transfer conduit 14; two gas pipes 20 are provided at the upper end of the membrane separation tube 16; in the above structure, the membrane separation component can separate a single isotope of the hydrogen-oxygen mixture gas separated from the water body; during operation, the gas is introduced into the target tube 18, and the target tube 18 and the membrane separation tube 16 are relatively closed and do not communicate with each other; after the gas enters the membrane separation tube 16 through the gas pipe 20, the hydrogen isotope can enter the target tube 18 for collection and can enter the corresponding transfer cylinder 1 for circulation and enter the corresponding separation process, while the remaining components are blocked by the target tube 18 and remain in the membrane separation tube 16.

[0031] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A multi-isotope purification separation apparatus, characterized by: It comprises a plurality of transfer cylinders (1) which can be connected head to tail; it also comprises: An evaporation assembly; it comprises a distillation flask (3), the upper end of which is provided with a glass conduit (5), the upper end of which is in communication with a corresponding transfer cylinder (1); the distillation flask (3) is provided with evaporation pipes (6) on both sides of the glass conduit (5); A chromatographic assembly; it comprises a transfer conduit (8) provided on a transfer cylinder (1), the lower end of which is detachably provided with a chromatographic column (9); the transfer conduit (8) is divided into two sections, and a filter (10) is connected between the two sections; A membrane separation assembly; it comprises a transfer conduit two (14) and a filter two (15) which are in communication with a transfer cylinder (1), and the lower end of the transfer conduit two (14) is provided with a membrane separation pipe (16).

2. A multi-isotope purification separation device according to claim 1, wherein: The transfer cylinders (1) are all made of glass.

3. A multi-isotope purification and separation apparatus according to claim 1, wherein: The transfer cylinders (1) are both provided with connecting heads (2), and the adjacent two connecting heads (2) are connected by wrapping and connecting with elastic belts; the connecting head (2) near the end is sealed by a soft plug.

4. A multi-isotope purification and separation apparatus according to claim 1, wherein: The distillation flask (3) is provided with a heating seat (4) below.

5. A multi-isotope purification and separation apparatus as defined in claim 1, wherein: The glass conduit (5) is provided with a valve one (7), and the transfer conduit (8) is provided with a pump (11); a valve two (12) is arranged between the transfer conduit (8) and the chromatographic column (9).

6. A multi-isotope purification and separation apparatus according to claim 1, wherein: The filter (10) and the filter two (15) are both provided with multiple layers of purification nets (13).

7. A multi-isotope purification and separation apparatus according to claim 1, wherein: The membrane separation pipe (16) is provided with a plurality of electric heating pipes (17) on the outside; the membrane separation pipe (16) is provided with a plurality of target pipes (18) inside, the upper ends of which are all in communication with a flow dividing piece (19), the upper end of which is provided with a branch pipe connected with the transfer conduit two (14); the upper end of the membrane separation pipe (16) is provided with two gas pipes (20).

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