Molecular sieve ion exchange device
By designing an ion exchange device for molecular sieves, ion exchange is carried out in series and sampling ports and filters are added, the complex problems of the existing molecular sieves preparation process are solved, production efficiency and quality are improved, and the problem of retention is solved.
Patent Information
- Application Number
- CN202422156936.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The existing molecular sieve preparation process is complex, affecting production efficiency and quality.
A molecular sieve ion exchange device is designed, which uses series to perform ion exchange, simplifies the preparation process, and a sampling port and filter are set up in the device, which increases the convenience and efficiency of operation.
Through the simplified preparation process, the production efficiency and quality are improved, the exchange progress is convenient to detect at any time, prevent blockage, and the groove retention problem that cannot be solved in traditional ion exchange equipment is solved.
Smart Images
Figure CN222969843U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ion exchange, in particular to a molecular sieve ion exchange device. Background Art
[0002] With the development of technology and the progress of society, people are paying more and more attention to their own health problems. Coupled with the increasingly serious air pollution, the number of respiratory diseases has increased, and the use of oxygen generators has also increased.
[0003] Medical oxygen generators require an oxygen content of more than 90%. As a result, the demand for molecular sieves, which are used as fillers in molecular sieves to adsorb nitrogen molecules, has also increased. As a low-silica-alumina type molecular sieve as an adsorbent, it can adsorb nitrogen in the air and discharge oxygen. Although the low-silica-alumina type molecular sieve Li-LSX can be used as an oxygen-producing molecular sieve, due to the process reasons during the preparation of the molecular sieve, the Li-LSX type molecular sieve cannot be directly synthesized. It is necessary to use the Na-LSX type molecular sieve and replace the cations outside the framework with lithium ions through ion exchange. Therefore, the preparation process is relatively complex, which will affect the production efficiency and quality. Summary of the Utility Model
[0004] In view of the above problems in the existing preparation process, which is relatively complex and will affect the production efficiency and quality, the present utility model is proposed.
[0005] Therefore, the purpose of the present utility model is to provide a molecular sieve ion exchange device, and its purpose is to solve the problems that the preparation process is relatively complex and will affect the production efficiency and quality.
[0006] To solve the above technical problems, the present utility model provides the following technical solution: a molecular sieve ion exchange device, which includes a catalyst tank. One end of the catalyst tank is provided with a pump body. One end of the pump body is installed with a pipeline. One side of the catalyst tank is provided with a reaction kettle. Both ends of the reaction kettle are provided with an upper flange cover and a lower flange cover. The bottom of the upper flange cover and the top of the lower flange cover are both provided with external threads. Thread grooves are opened at both ends inside the reaction kettle. The upper flange cover and the lower flange cover are threadedly connected through the external threads and the thread grooves.
[0007] As a preferred scheme of the molecular sieve ion exchange device of the present utility model, wherein: the outer diameters of the upper flange cover and the lower flange cover are larger than the diameter of the reaction kettle, and the outer diameter of the external thread is smaller than the outer diameter of the reaction kettle.
[0008] As a preferred scheme of the molecular sieve ion exchange device of the present utility model, wherein: one end of the lower flange cover is provided with a sampling port, and the sampling port is inclined.
[0009] As a preferred embodiment of the molecular sieve ion exchange device of the present utility model, wherein: a driving motor is installed on the top of the upper flange cover, a spiral stirring rod is arranged inside the upper flange cover and inside the reaction kettle, and the output end of the driving motor extends to the inner side of the upper flange cover and is connected to the spiral stirring rod.
[0010] As a preferred embodiment of the molecular sieve ion exchange device of the present utility model, wherein: an inner ring is fixedly connected inside the reaction kettle, the inner ring is located at the bottom of the thread groove, and connection holes are formed on the surface of the inner ring.
[0011] As a preferred embodiment of the molecular sieve ion exchange device of the present utility model, wherein: a filter plate is installed on the surface of the inner ring, a bolt is movably sleeved inside the filter plate, the bottom of the bolt penetrates through the filter plate and extends into the connection hole and is threadedly connected thereto, and a handle is fixedly connected to the surface of the filter plate on one side of the bolt.
[0012] As a preferred embodiment of the molecular sieve ion exchange device of the present utility model, wherein: a liquid inlet pipe and a liquid outlet pipe are connected to one side of the reaction kettle, the liquid inlet pipe and the liquid outlet pipe are respectively located at the bottom of the upper flange cover and the top of the lower flange cover, the other end of the liquid outlet pipe is connected to a pipeline, and valves are installed on the surfaces of the liquid inlet pipe and the liquid outlet pipe.
[0013] Advantages of the present utility model:
[0014] In the present utility model, the ion exchange of the molecular sieve is carried out in a series connection manner. This method can simplify the preparation method, make the operation easier, improve the work efficiency, and there is a sampling port on the discharging flange, which is convenient for detecting the exchange progress at any time. Filters are provided at the inlet and outlet of the reaction kettle to prevent blockage of the pipeline during the exchange process. There is a spiral stirring rod inside the reaction kettle, which can be started at any time to solve the problem of channeling that cannot be solved in traditional ion exchange equipment. Description of the drawings
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:
[0016] Figure 1 It is a schematic diagram of the overall structure of the molecular sieve ion exchange device of the present utility model.
[0017] Figure 2 It is a sectional view of the structure of the reaction kettle of the molecular sieve ion exchange device of the present utility model.
[0018] Figure 3 This is a structural display diagram of the reaction kettle of the molecular sieve ion exchange device of the present utility model.
[0019] Figure 4 This is for the molecular sieve ion exchange device of the present utility model Figure 2 Enlarged view of part A structure.
[0020] Figure 5 This is a schematic diagram of the positional relationship between the filter plate and the inner ring of the molecular sieve ion exchange device of the present utility model.
[0021] Explanation of reference numerals:
[0022] 1. Catalyst tank; 2. Pipeline; 3. Reaction kettle; 4. Upper flange cover; 5. Lower flange cover; 6. External thread; 7. Thread groove; 8. Sampling port; 9. Driving motor; 10. Spiral stirring rod; 11. Inner ring; 12. Filter plate; 13. Connecting hole; 14. Bolt; 15. Handle; 16. Valve; 17. Pump body; 18. Liquid inlet pipe; 19. Liquid outlet pipe. Specific embodiments
[0023] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will give a detailed description of the specific embodiments of the present utility model in conjunction with the accompanying drawings of the specification.
[0024] Referring to Figures 1-5 , this is the first embodiment of the present utility model, which provides a molecular sieve ion exchange device. This molecular sieve ion exchange device includes a catalyst tank 1. One end of the catalyst tank 1 is provided with a pump body 17. One end of the pump body 17 is installed with a pipeline 2. One side of the catalyst tank 1 is provided with a reaction kettle 3. Both ends of the reaction kettle 3 are provided with an upper flange cover 4 and a lower flange cover 5. The bottom of the upper flange cover 4 and the top of the lower flange cover 5 are both provided with external threads 6. Both ends inside the reaction kettle 3 are provided with thread grooves 7. The upper flange cover 4 and the lower flange cover 5 are threadedly connected through the external threads 6 and the thread grooves 7. The catalyst tank 1 and the pump body 17 are connected through the pipeline 2. By threaded connection, the upper flange cover 4 and the lower flange cover 5 can be made detachable, which is convenient for the maintenance of the reaction kettle 3. At the same time, there are four groups of reaction kettles 3.
[0025] The outer diameters of the upper flange cover 4 and the lower flange cover 5 are larger than the diameter of the reaction kettle 3. The outer diameter of the external thread 6 is smaller than the outer diameter of the reaction kettle 3, and it is connected through the thread groove 7.
[0026] One end of the lower flange cover 5 is provided with a sampling port 8. The sampling port 8 is inclined, which can facilitate the sampling operation and avoid the phenomenon of ions getting stuck.
[0027] A driving motor 9 is installed on the top of the upper flange cover 4. Inside the upper flange cover 4 and within the internal part of the reaction kettle 3, there is a spiral stirring rod 10. The output end of the driving motor 9 extends to the inner side of the upper flange cover 4 and is connected to the spiral stirring rod 10. The driving motor 9 is in a clamped state with the upper flange cover 4 and is connected to the spiral stirring rod 10 through a bushing. In this way, it can prevent the occurrence of channeling phenomena during the ion exchange process of the molecular sieve, and at the same time, it is convenient for the maintenance of the reaction kettle 3 to avoid the phenomenon of jamming.
[0028] Inside the reaction kettle 3, there is an inner ring 11 fixedly connected. The inner ring 11 is located at the bottom of the thread groove 7. On the surface of the inner ring 11, there are connection holes 13. There are two groups of inner rings 11, and their structures are the same, which can avoid blockage.
[0029] A filter plate 12 is installed on the surface of the inner ring 11. Inside the filter plate 12, there is a bolt 14 movably sleeved. The bottom of the bolt 14 penetrates through the filter plate 12 and extends into the connection hole 13 and is threadedly connected to it. On the surface of the filter plate 12 and on one side of the bolt 14, there is a handle 15 fixedly connected. The bolt 14 can conveniently position the filter plate 12. At the same time, in cooperation with the use of the inner ring 11, it can prevent the filter plate 12 from sliding deep into the reaction kettle 3. The handle 15 can conveniently take out the filter plate 12. At the same time, a circular groove is opened inside the filter plate 12. The spiral stirring rod 10 is located inside the circular groove, and the outer diameter of the spiral stirring rod 10 is smaller than the inner diameter of the circular groove, which is convenient for taking it out.
[0030] One side of the reaction kettle 3 is connected with a liquid inlet pipe 18 and a liquid outlet pipe 19. The liquid inlet pipe 18 and the liquid outlet pipe 19 are respectively located at the bottom of the upper flange cover 4 and the top of the lower flange cover 5. Valves 16 are installed on the surfaces of the liquid inlet pipe 18 and the liquid outlet pipe 19;
[0031] As Figure 1 shown, one end of the pump body 17 is connected to the first group of pipes 2, the first group of pipes 2 is connected to the first group of liquid outlet pipes 19, and the first group of liquid inlet pipes 18 is connected to the second group of liquid outlet pipes 19 through the second group of pipes 2, and so on, to achieve series connection;
[0032] At the same time, filtering structures are installed inside both the liquid inlet pipe 18 and the liquid outlet pipe 19. They are similar in structure to the filter plate 12, but there is no circular groove inside them, and they are not shown in the figure.
[0033] At the beginning stage of the experiment, the molecular sieve is put into the reaction kettle 3, and the spiral stirring rod 10 is inserted into the reaction kettle 3, so that the upper flange cover 4 is located on the top of the reaction kettle 3, and the external thread 6 at the bottom of the upper flange cover 4 is located inside the thread groove 7. Subsequently, the upper flange cover 4 is tightened so that the external thread 6 is threadedly connected to the thread groove 7;
[0034] After heating the catalyst tank 1, the catalyst required for ion exchange is pumped into the reaction kettle 3 through the pump body 17 for ion exchange. Since the molecular sieve is in granular form, filter structures are installed on both the liquid inlet pipe 18 and the liquid outlet pipe 19 of the reaction kettle 3. And for the purpose of avoiding blockage, a secondary filter is installed in the pipeline 2. There are valves 16 before and after the filter structure in the pipeline 2, which can be disassembled and repaired during the ion exchange process if necessary.
[0035] In the four-pole ion exchange reaction kettle 3, there are sampling ports 8 at the lower ends to monitor the ion concentration in real time. And it can be known from the sampling and detection results whether the ion exchange reaction in the reaction kettle 3 is proceeding normally.
[0036] During the ion exchange process of the molecular sieve, a channeling phenomenon may occur. In the reaction kettle 3, the detachable spiral stirring rod 10 connected to the upper flange cover 4 can solve this problem.
[0037] The spiral stirring rod 10 cooperates with the detection results, which can make the ion exchange of the molecular sieve proceed smoothly and positively.
[0038] The advantage of setting the devices in series is that after the first-stage exchange is completed, the second stage becomes the first stage, the third stage becomes the second stage, the fourth stage becomes the third stage, and so on.
[0039] During the ion exchange process, after sampling, the occurrence of the channeling phenomenon can be judged according to the real-time detected concentration. If the channeling phenomenon occurs, start the drive motor 9 to drive the spiral stirring rod 10 to start stirring for 30 seconds and then stop stirring (stirring is not required during the normal exchange process). This method can simplify the preparation method, make the operation easier, and improve work efficiency.
[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.
Claims
1. A molecular sieve ion exchange device, comprising a catalyst tank (1), characterized in that: A pump body (17) is provided at one end of the catalyst tank (1), and a pipeline (2) is installed at one end of the pump body (17). A reactor (3) is provided at one side of the catalyst tank (1), and an upper flange cover (4) and a lower flange cover (5) are provided at both ends of the reactor (3). External threads (6) are provided at the bottom of the upper flange cover (4) and the top of the lower flange cover (5). Thread grooves (7) are provided at both ends of the inner side of the reactor (3), and the upper flange cover (4) and the lower flange cover (5) are threadedly connected via the external threads (6) and the thread grooves (7).
2. A molecular sieve ion exchange device according to claim 1, characterized in that: The outer diameters of the upper flange cover (4) and the lower flange cover (5) are greater than the diameter of the reaction kettle (3), and the outer diameter of the external thread (6) is smaller than the outer diameter of the reaction kettle (3).
3. A molecular sieve ion exchange device according to claim 2, characterized in that: A sampling port (8) is provided at one end of the lower flange cover (5), and the sampling port (8) is arranged at an angle.
4. A molecular sieve ion exchange device according to claim 3, characterized in that: A driving motor (9) is installed on the top of the upper flange cover (4), a spiral stirring rod (10) is provided inside the upper flange cover (4) and inside the reactor (3), and an output end of the driving motor (9) extends to the inner side of the upper flange cover (4) and is connected to the spiral stirring rod (10).
5. A molecular sieve ion exchange device according to claim 4, characterized in that: An inner ring (11) is fixedly connected to the interior of the reaction kettle (3); the inner ring (11) is located at the bottom of the thread groove (7); and a connection hole (13) is provided on the surface of the inner ring (11).
6. A molecular sieve ion exchange device according to claim 5, characterized in that: A filter plate (12) is mounted on the surface of the inner ring (11), a bolt (14) is movably sleeved inside the filter plate (12), the bottom of the bolt (14) passes through the filter plate (12) and extends to the inside of the connecting hole (13) and is threadedly connected thereto, and a handle (15) is fixedly connected to the surface of the filter plate (12) and located on one side of the bolt (14).
7. A molecular sieve ion exchange device according to claim 6, characterized in that: A liquid inlet pipe (18) and a liquid outlet pipe (19) are connected to one side of the reaction kettle (3); the liquid inlet pipe (18) and the liquid outlet pipe (19) are located at the bottom of the upper flange cover (4) and the top of the lower flange cover (5), respectively; the other end of the liquid outlet pipe (19) is connected to the pipeline (2); valves (16) are installed on the surfaces of the liquid inlet pipe (18) and the liquid outlet pipe (19).