CN219416847U - Extraction element of metal ion fused salt - Google Patents

Extraction element of metal ion fused salt Download PDF

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Publication number
CN219416847U
CN219416847U CN202223205604.9U CN202223205604U CN219416847U CN 219416847 U CN219416847 U CN 219416847U CN 202223205604 U CN202223205604 U CN 202223205604U CN 219416847 U CN219416847 U CN 219416847U
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tube
rubber hose
fixing piece
sealing
quartz tube
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CN202223205604.9U
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焦树强
焦汉东
苑锐
高阳
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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Abstract

The utility model provides an extraction device of metal ion molten salt, which comprises a piston, a sealing tube, a fixing piece, a rubber hose, a quartz tube and a filter screen. The sealing tube is a straight tube with openings at two ends, one end is provided with a piston, the other end is provided with a fixing piece, the inside of the rubber hose is communicated, the two ends are open, one end is connected with the sealing tube through the fixing piece, and the other end is connected with the quartz tube; the quartz tube is a straight tube with openings at two ends, one end of the quartz tube is connected with the rubber hose, and the other end of the quartz tube is a molten salt sampling port; the filter screen set up in fused salt sampling port department for metal powder that probably gets during filtering the sample ensures that metal ion concentration in the sample is not influenced.

Description

Extraction element of metal ion fused salt
Technical Field
The utility model belongs to the technical field of electrochemical metallurgy, and particularly relates to an extraction device of high-temperature molten salt containing multiple variable metal ions.
Background
Rare metals have received attention in modern society due to their excellent physicochemical properties such as high temperature resistance and corrosion resistance. In recent years, with the continuous development of high-precision science and technology, the application field of rare metals with super-performance is expanding, and the demand is growing. The molten salt electrolysis method for preparing rare metal is a promising preparation method, and high-temperature molten salt is used as electrolyte in the electrolysis process. In the electrolytic production process of metal, the molten salt components are continuously detected, and the conditions of the molten salt components in the electrolytic tank are mastered so as to judge the real-time electrolysis conditions. However, the molten salt has high temperature, strong corrosiveness and difficult sampling. In addition, metal powder generated by electrolysis is easy to mix into a sample during sampling, and the concentration of metal ions to be detected in the sample is affected. Meanwhile, multiple valence states exist in the multi-valence metal ions in the molten salt, reversible disproportionation/centering reaction is carried out on ions with different valence states, the reaction balance is influenced by the concentration of the ions, the loss of zero valence metal in a sample after metal powder is filtered can influence the reaction balance, the valence states of the metal ions are changed, a gap exists between the actual results and the results of subsequent tests, and therefore accurate sampling of the multi-valence metal ions in the molten salt is an important problem.
Disclosure of Invention
The utility model solves the technical problems that the high-temperature molten salt containing the multi-variable metal ions is difficult to sample at present, and the metal ions in the sampling result are easy to react to influence the final result.
In order to solve the technical problems, the utility model provides the following technical scheme:
an extraction device of metal ion molten salt comprises a piston, a sealing tube, a fixing piece, a rubber hose, a quartz tube and a filter screen, wherein,
the sealing tube is a straight tube with two open ends, one end is provided with a piston, the other end is provided with a fixing piece, the center of the fixing piece is provided with a through hole, so that the sealing tube is communicated with the inner cavity of the rubber hose,
the rubber hose is internally communicated, two ends of the rubber hose are open, one end of the rubber hose is connected with the sealing tube through the fixing piece, and the other end of the rubber hose is connected with the quartz tube;
the quartz tube is a straight tube with openings at two ends, one end of the quartz tube is connected with the rubber hose, and the other end of the quartz tube is a molten salt sampling port;
the filter screen set up in fused salt sampling port department for the metal powder that probably gets during filtering the sample.
Preferably, the piston is located in the sealing tube and can reciprocate along the axis of the sealing tube, and a handle is arranged at one end of the piston far away from the fixing piece so as to realize the movement of the piston.
Preferably, a connecting pipe is arranged between the fixing piece and the rubber hose, and the connecting pipe is a straight pipe with two open ends. The connecting pipe is a rigid pipe, one end of the connecting pipe is clamped with the fixing piece, and the other end of the connecting pipe is in interference fit with the rubber hose, namely the inner diameter of the rubber hose is matched with the outer diameter of the connecting pipe so as to realize sealing. Compared with the connection of the rubber hose and the fixing piece, the connecting pipe can better realize the connection and sealing between the sealing pipe and the rubber hose.
Preferably, the fixing piece is located between the sealing pipe and the connecting pipe so as to realize the fixed connection and sealing of the sealing pipe and the connecting pipe. The center of the fixing piece is provided with a through hole, and the through hole is axially arranged along the fixing piece so as to realize the communication between the sealing tube and the inner cavity of the connecting tube.
Preferably, the sealing tube and the connecting tube are made of quartz or glass.
Preferably, the quartz tube is provided with scales, so that the amount of the extracted sample can be controlled.
Preferably, the filter mesh size is 500 mesh.
Preferably, the filter screen is arranged in the quartz tube, and preset metal particles are arranged on the filter screen. The type of the preset metal particles is consistent with that of corresponding metal of metal ions to be taken in the molten salt, so that disproportionation reaction possibly occurring in the metal ions is inhibited, and chemical balance deviation is avoided.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an extraction device of metal ion molten salt. In the molten salt sampling process, the device can utilize the filter screen to prevent metal powder in the molten salt from being mixed into the sample, so that the concentration of metal ions in the sample is not influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an extraction device for molten metal ions according to the present utility model;
wherein, 1-handle, 2-piston, 3-sealed tube, 4-mounting, 5-connecting pipe, 6-rubber hose, 7-quartz tube, 8-preset metal particle, 9-filter screen.
Detailed Description
The technical solutions and the technical problems to be solved in the embodiments of the present utility model will be described below in conjunction with the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present patent.
As shown in fig. 1, the extraction device of metal ion molten salt of the utility model comprises a piston 2, a sealing tube 3, a fixing piece 4, a rubber hose 6, a quartz tube 7 and a filter screen 9, wherein,
the sealing tube 3 is a straight tube with two open ends, one end is provided with a piston 2, the other end is provided with a fixing piece 4, the center of the fixing piece 4 is provided with a through hole, the sealing tube 3 is communicated with the inner cavity of the rubber hose 6,
the rubber hose 6 is internally communicated, two ends of the rubber hose are open, one end of the rubber hose is connected with the sealing tube 3 through the fixing piece 4, and the other end of the rubber hose is connected with the quartz tube 7;
the quartz tube 7 is a straight tube with openings at two ends, one end of the quartz tube is connected with the rubber hose 6, and the other end of the quartz tube is a fused salt sampling port for obtaining high-temperature fused salt; the filter screen 9 is arranged at the molten salt sampling port and is used for filtering metal powder possibly taken during sampling.
In one embodiment of the utility model, the piston 2 is located in the sealing tube 3 and can reciprocate along the axis of the sealing tube 3, and a handle 1 is arranged at the end of the piston 2 away from the fixing piece 4 so as to realize the piston movement.
In one embodiment of the present utility model, a connecting pipe 5 is provided between the fixing member 4 and the rubber hose 6, and the connecting pipe 5 is a straight pipe with two open ends. Because the connecting pipe 5 is a rigid pipe, one end of the connecting pipe is clamped with the fixing piece 4, and the other end of the connecting pipe is in interference fit with the rubber hose 6, namely the inner diameter of the rubber hose 6 is matched with the outer diameter of the connecting pipe 5 to realize sealing. The connection and sealing between the sealing tube and the rubber hose can be better achieved with the connecting tube 5 than with the rubber hose 6 directly connected to the fixing element 4.
In one embodiment of the present utility model, the fixing member 4 is located between the sealing tube 3 and the connection tube 5 to achieve a fixed connection and sealing of the sealing tube 3 and the connection tube 5. The center of the fixing piece 4 is provided with a through hole, and the through hole is axially arranged along the fixing piece 4 so as to realize the communication between the sealing tube 3 and the inner cavity of the connecting tube 5.
In one embodiment of the present utility model, the sealing tube 3 and the connecting tube 5 are made of quartz or glass. The quartz tube 7 is provided with scales, so that the amount of the extracted sample can be controlled. The pore diameter of the filter screen 9 is 500 meshes.
In one embodiment of the utility model, the filter screen 9 is placed inside the quartz tube 7, and preset metal particles 8 are placed on the filter screen 9. The type of the preset metal particles 8 is consistent with that of the corresponding metal of the metal ions to be taken, so as to inhibit the disproportionation reaction possibly occurring in the metal ions and avoid chemical balance shift.
The application method of the extraction device of the metal ion molten salt comprises the following steps:
s1, placing enough preset metal particles on a filter screen before sampling;
s2, pressing down a handle to enable the piston to move in a direction close to the fixing piece until one end of the piston contacts with the fixing piece, and then enabling a fused salt sampling end of the quartz tube provided with a filter screen to enter high-temperature fused salt;
s3, pulling the handle to enable the piston to move in a direction away from the fixing piece, and enabling molten salt to enter the quartz tube through the filter screen until the required amount of high-temperature molten salt is obtained;
s4, sealing the fused salt sampling port by using a cork, and rapidly cooling the quartz tube in water;
s5, after the molten salt is cooled, the extraction device is lifted out, and the molten salt sample is taken out for subsequent characterization.
The quartz tube is placed in water for rapid cooling to accelerate sample solidification, and the reaction rate of metal ions between different valence states of molten salt in solid state is extremely low, so that the sample solidification is accelerated, the time of the sample in liquid state is reduced, the real distribution of the metal ions of different valence states in the sample can be better maintained, and the accuracy of a test result is ensured.
Example 1
Sampling molten salt by using the extraction device of metal ion molten salt, and sampling and analyzing titanium ions in the molten salt, wherein the specific steps are as follows;
s0, preparing NaCl-KCl-TiCl according to the mol ratio of 1:1:1 2 And (3) the electrolyte is heated to 900 ℃ in an electrolytic tank protected by argon, and then the temperature is kept for 2 hours until the electrolyte is completely melted. And (5) sampling is started when the temperature in the electrolytic cell is uniform.
S1, placing a sufficient amount of metal titanium particles in a filter screen, pressing down a piston, enabling a fused salt sampling port of a quartz tube provided with the filter screen to enter high-temperature fused salt, pulling the piston to move in a direction away from a fixing piece, and enabling the fused salt to enter the quartz tube through the filter screen until the required amount of high-temperature fused salt is obtained; then sealing the sampling port by using a cork, and rapidly cooling the quartz tube in water; and (5) after cooling the molten salt, extracting the extraction device, and taking out the molten salt sample for subsequent characterization.
In use, the extraction device described above typically contains 10 grams of metal in a sieve. Taking 10 g of molten salt as an example, the divalent titanium ion in the sampled molten salt is calculated to be 1.90 g. According to equation 3Ti 2+ ＝Ti+2Ti 3+ The reaction equilibrium is ensured by adding 0.63 g of metallic titanium particles.
Example 2
Sampling molten salt by using the extraction device of the metal ion molten salt, and sampling and analyzing zirconium ions in the molten salt, wherein the specific steps are as follows;
s0, preparing NaCl-KCl-LiCl-ZrCl according to the mol ratio of 1:1:1:1 4 And (3) the electrolyte, namely heating the distributed electrolyte to 800 ℃ in an electrolytic tank protected by argon, and then preserving heat for 2 hours until the electrolyte is completely melted. And (5) sampling is started when the temperature in the electrolytic cell is uniform.
S1, placing a sufficient amount of metal zirconium particles in a filter screen, pressing down a piston, enabling a fused salt sampling port of a quartz tube provided with the filter screen to enter high-temperature fused salt, pulling the piston to move in a direction away from a fixing piece, and enabling the fused salt to enter the quartz tube through the filter screen until the required amount of high-temperature fused salt is obtained; then sealing the sampling port by using a cork, and rapidly cooling the quartz tube in water; and (5) after cooling the molten salt, extracting the extraction device, and taking out the molten salt sample for subsequent characterization.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (8)

1. The extraction device of the metal ion molten salt is characterized by comprising a piston, a sealing tube, a fixing piece, a rubber hose, a quartz tube and a filter screen, wherein,
the sealing tube is a straight tube with two open ends, one end is provided with a piston, the other end is provided with a fixing piece, the center of the fixing piece is provided with a through hole, so that the sealing tube is communicated with the inner cavity of the rubber hose,
the rubber hose is internally communicated, two ends of the rubber hose are open, one end of the rubber hose is connected with the sealing tube through the fixing piece, and the other end of the rubber hose is connected with the quartz tube;
the quartz tube is a straight tube with openings at two ends, one end of the quartz tube is connected with the rubber hose, and the other end of the quartz tube is a molten salt sampling port;
the filter screen set up in fused salt sampling port department.
2. The apparatus for extracting molten metal ions according to claim 1, wherein the piston is located in the sealing tube and is reciprocally movable along the axis of the sealing tube, and a handle is mounted at an end of the piston remote from the fixing member to effect movement of the piston.
3. The device for extracting molten metal ions according to claim 1, wherein a connecting pipe is arranged between the fixing piece and the rubber hose, the connecting pipe is a straight pipe with two open ends, one end of the connecting pipe is clamped with the fixing piece, and the other end of the connecting pipe is in interference fit with the rubber hose.
4. A device for extracting molten metal ions according to claim 3, wherein the fixing member is located between the sealing tube and the connecting tube, a through hole is formed in the center of the fixing member, and the through hole is axially formed along the fixing member so as to enable the sealing tube to be communicated with the inner cavity of the connecting tube.
5. The apparatus for extracting molten metal ions according to any one of claims 1 to 4, wherein the sealing tube and the connecting tube are made of quartz or glass.
6. The apparatus for extracting molten metal ions according to any one of claims 1 to 4, wherein the quartz tube is provided with graduations.
7. The apparatus for extracting molten salt of metal ion according to any one of claims 1 to 4, wherein the filter screen is built in the quartz tube.
8. The apparatus for extracting molten metal ions of claim 7, wherein preset metal particles are placed on the screen.
CN202223205604.9U 2022-12-01 2022-12-01 Extraction element of metal ion fused salt Active CN219416847U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223205604.9U CN219416847U (en) 2022-12-01 2022-12-01 Extraction element of metal ion fused salt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223205604.9U CN219416847U (en) 2022-12-01 2022-12-01 Extraction element of metal ion fused salt

Publications (1)

Publication Number Publication Date
CN219416847U true CN219416847U (en) 2023-07-25

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