Molecular sieve adsorption tower of oxygen generator
By using low-silicon lithium molecular sieve and multi-layer support ring structure design in the oxygen generator, the problem of the impact of the performance of traditional molecular sieve in extreme environments is solved, and the oxygen adsorption capacity and oxygen production efficiency are improved.
Patent Information
- Application Number
- CN202422197049.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The performance of traditional molecular sieve adsorbent materials is affected in extreme environments, resulting in a decrease in oxygen production efficiency and limited oxygen purity and extraction efficiency.
An oxygen generator molecular sieve adsorption tower is designed, using low-silicon lithium molecular sieve, and provides stable support through a multi-layer support ring structure to ensure the stability of the molecular sieve in extreme environments.
The oxygen adsorption capacity and oxygen production efficiency are improved, ensuring the stability of the molecular sieve structure in extreme environments and avoiding performance degradation.
Smart Images
Figure CN223027038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molecular sieve adsorption towers, in particular to a molecular sieve adsorption tower for an oxygen generator. Background Technique
[0002] An oxygen generator is a device for producing oxygen, which is widely used in medical, industrial and laboratory fields. Among them, the molecular sieve adsorption tower is one of the key components of the oxygen generator, and the separation and purification of oxygen are realized through the adsorption of the molecular sieve.
[0003] The adsorption performance of traditional molecular sieve adsorption materials may be limited, and extremely high oxygen purity and extraction efficiency cannot be achieved. At the same time, in extreme environments, the performance of some molecular sieve adsorption materials may be affected, and the structural stability cannot be maintained, resulting in a decrease in oxygen production efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a molecular sieve adsorption tower for an oxygen generator, which can solve the problem that the adsorption performance of traditional molecular sieve adsorption materials may be limited and extremely high oxygen purity and extraction efficiency cannot be achieved. At the same time, it can avoid the performance of some molecular sieve adsorption materials being affected in extreme environments and maintain the structural stability to improve the oxygen production efficiency.
[0005] To achieve the above purpose, a molecular sieve adsorption tower for an oxygen generator is provided, including a tower body. A fixed ring is arranged on the lower surface inside the tower body, a third support ring is above the fixed ring, a second support ring and a first support ring are respectively arranged above the third support ring. Low-silicon lithium molecular sieves are arranged on the inner surfaces of the first support ring, the second support ring and the third support ring. An upper sealing cover is arranged at the top of the tower body, an air inlet pipe is arranged above the upper sealing cover, a lower sealing cover is arranged at the bottom of the tower body, and an air outlet pipe is arranged below the lower sealing cover. Connecting shafts are arranged on the outer circumferential surfaces around the first support ring, the second support ring and the third support ring. A limiting ring is arranged on the upper surface outside the tower body, a positioning ring is arranged on the lower surface outside the tower body, a positioning rod is arranged between the limiting ring and the positioning ring, and legs are arranged on the circumferential surfaces at the bottom of the positioning ring.
[0006] According to the described molecular sieve adsorption tower for an oxygen generator, the tower body is usually made of metal or other high-temperature resistant and corrosion-resistant materials. The fixed ring is fixedly supported and connected to the lower surface inside the tower body, and the third support ring is in contact connection with the upper surface of the fixed ring for support.
[0007] According to the described molecular sieve adsorption tower for an oxygen generator, the low-silicon lithium molecular sieves are fixedly in contact connection with the inner surfaces of the first support ring, the second support ring and the third support ring, and the second support ring and the first support ring are in contact connection with the inner surface of the tower body through the third support ring.
[0008] According to the molecular sieve adsorption tower of an oxygen generator described above, the upper sealing cover is fixedly connected to the top of the tower body by threads, the air inlet pipe is fixedly connected and communicated above the upper sealing cover, and the air inlet pipe is in contact and communication with the surface of the low-silica lithium molecular sieve inside the tower body through the upper sealing cover.
[0009] According to the molecular sieve adsorption tower of an oxygen generator described above, the lower sealing cover is fixedly connected to the bottom of the tower body by threads, the air outlet pipe is fixedly connected and communicated below the lower sealing cover, and the air outlet pipe is in contact and communication with the surface of the low-silica lithium molecular sieve inside the tower body.
[0010] According to the molecular sieve adsorption tower of an oxygen generator described above, both ends of the connecting shaft are fixedly in contact with the peripheries of the bottom of the first support ring and the top of the second support ring, and the peripheries of the bottom of the second support ring and the top of the third support ring. The first support ring, the second support ring and the third support ring are all in a positioning and supporting state inside the tower body through the connecting shaft.
[0011] According to the molecular sieve adsorption tower of an oxygen generator described above, the limiting ring is in limiting contact connection with the upper surface outside the tower body, and the positioning ring is in threaded support connection with the lower surface outside the tower body.
[0012] According to the molecular sieve adsorption tower of an oxygen generator described above, both ends of the positioning rod are fixedly in contact with the peripheries of the bottom of the limiting ring and the top of the positioning ring, and the peripheries of the bottom of the positioning ring are all fixedly in contact with the legs.
[0013] The beneficial effects of the above solution: By setting the low-silica lithium molecular sieve, using the high selectivity of the low-silica lithium molecular sieve for oxygen adsorption, it can effectively separate oxygen from the air, improve the oxygen adsorption capacity and oxygen generation efficiency. At the same time, the low-silica lithium molecular sieve has good thermal stability, avoiding the performance of the molecular sieve adsorption material being affected in extreme environments, maintaining the structural stability, and improving the oxygen generation efficiency.
[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic structural diagram of a molecular sieve adsorption tower of an oxygen generator of the present utility model;
[0016] Figure 2 It is a structural sectional view of a molecular sieve adsorption tower of an oxygen generator of the present utility model;
[0017] Figure 3 It is a front perspective view of the tower body of a molecular sieve adsorption tower of an oxygen generator of the present utility model;
[0018] Figure 4 This is the front view of the positioning rod of the molecular sieve adsorption tower of an oxygen generator of the present utility model.
[0019] Legend:
[0020] 1. Tower body; 2. Upper sealing cover; 3. Air inlet pipe; 4. Limiting ring; 5. Positioning rod; 6. Positioning ring; 7. Leg; 8. First support ring; 9. Low-silicon lithium molecular sieve; 10. Second support ring; 11. Third support ring; 12. Fixed ring; 13. Lower sealing cover; 14. Air outlet pipe; 15. Connecting shaft. Specific implementation manner
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0022] Refer to Figures 1-4 , an oxygen generator molecular sieve adsorption tower according to an embodiment of the present utility model, which includes a tower body 1. A fixed ring 12 is provided on the lower surface inside the tower body 1. A third support ring 11 is provided above the fixed ring 12. A second support ring 10 and a first support ring 8 are respectively provided above the third support ring 11. Low-silicon lithium molecular sieves 9 are provided on the inner surfaces of the first support ring 8, the second support ring 10, and the third support ring 11. An upper sealing cover 2 is provided at the top of the tower body 1. An air inlet pipe 3 is provided above the upper sealing cover 2. A lower sealing cover 13 is provided at the bottom of the tower body 1. An air outlet pipe 14 is provided below the lower sealing cover 13. Connecting shafts 15 are provided on the outer peripheral surfaces around the first support ring 8, the second support ring 10, and the third support ring 11. A limiting ring 4 is provided on the upper surface outside the tower body 1. A positioning ring 6 is provided on the lower surface outside the tower body 1. A positioning rod 5 is provided between the limiting ring 4 and the positioning ring 6. Legs 7 are provided on the outer peripheral surfaces around the bottom of the positioning ring 6.
[0023] The tower body 1 is usually made of metal or other materials that are resistant to high temperatures and corrosion. The fixing ring 12 is fixedly supported and connected to the lower inner surface of the tower body 1. The third support ring 11 is in contact with and supported above the fixing ring 12. By providing the fixing ring 12, it can provide a supporting and positioning function for the low-silica lithium molecular sieve 9 inside the tower body 1 through the support ring. The low-silica lithium molecular sieve 9 is fixedly in contact with the inner surfaces of the first support ring 8, the second support ring 10, and the third support ring 11. The second support ring 10 and the first support ring 8 are in contact with the inner surface of the tower body 1 through the third support ring 11. The upper sealing cover 2 is fixedly connected to the top of the tower body 1 by threads. The air inlet pipe 3 is fixedly connected and communicated above the upper sealing cover 2. The air inlet pipe 3 is in contact and communicated with the surface of the low-silica lithium molecular sieve 9 inside the tower body 1 through the upper sealing cover 2. By providing the upper sealing cover 2, it can drive the air inlet pipe 3 to contact the inner space of the tower body 1, and through the threaded fixing state between the upper sealing cover 2 and the upper part of the tower body 1, it is also convenient for the later detachment of the air inlet pipe 3 from the tower body 1. The lower sealing cover 13 is fixedly connected to the bottom of the tower body 1 by threads. The air outlet pipe 14 is fixedly connected and communicated below the lower sealing cover 13. The air outlet pipe 14 is in contact and communicated with the surface of the low-silica lithium molecular sieve 9 inside the tower body 1. Both ends of the connecting shaft 15 are fixedly in contact with the peripheries of the bottom of the first support ring 8 and the top of the second support ring 10, as well as the peripheries of the bottom of the second support ring 10 and the top of the third support ring 11. The first support ring 8, the second support ring 10, and the third support ring 11 are all in a positioning and supporting state inside the tower body 1 through the connecting shaft 15. By providing the connecting shaft 15, it can maintain a fixed supporting effect for the first support ring 8 and the second support ring 10 above the third support ring 11. The limiting ring 4 is in contact with and limited to the upper outer surface of the tower body 1. The positioning ring 6 is threadedly supported on the lower outer surface of the tower body 1. By providing the limiting ring 4 and the positioning ring 6, it can provide a supporting and placing space for the tower body 1. Both ends of the positioning rod 5 are fixedly in contact with the peripheries of the bottom of the limiting ring 4 and the top of the positioning ring 6. The peripheries of the bottom surface of the positioning ring 6 are all fixedly in contact with the legs 7. By providing the positioning rod 5, it can provide a stable supporting effect for the limiting ring 4 above the positioning ring 6.
[0024] Working principle: After the air is compressed by an air compressor, it is introduced into the adsorption tower body 1 through the air inlet pipe 3. When the air flows through the low-silica lithium molecular sieve 9 layers at different positions, oxygen is adsorbed by the low-silica lithium molecular sieve 9, while nitrogen and other gases are released when passing through the micropores of the low-silica lithium molecular sieve 9, thus realizing the separation of oxygen. After the adsorption is saturated, the low-silica lithium molecular sieve 9 layer needs to be desorbed and regenerated. After the adsorbed oxygen is released through the air outlet pipe 14, the low-silica lithium molecular sieve 9 resumes its adsorption activity.
[0025] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An oxygen generator molecular sieve adsorption tower, comprising a tower body (1), characterized in that: A fixing ring (12) is arranged on the lower surface of the interior of the tower body (1), a third support ring (11) is arranged above the fixing ring (12), a second support ring (10) and a first support ring (8) are arranged above the third support ring (11), low-silicon lithium molecular sieve (9) is arranged on the inner surfaces of the first support ring (8), the second support ring (10) and the third support ring (11), an upper sealing cover (2) is arranged on the top of the tower body (1), an air inlet pipe (3) is arranged above the upper sealing cover (2), and a bottom of the tower body (1) is provided with a plurality of air inlets (4). A lower sealing cover (13) is provided, an air outlet pipe (14) is provided below the lower sealing cover (13), connecting shafts (15) are provided on the outer peripheral surfaces of the first support ring (8), the second support ring (10) and the third support ring (11), a limiting ring (4) is provided on the outer upper surface of the tower body (1), a positioning ring (6) is provided on the outer lower surface of the tower body (1), a positioning rod (5) is provided between the limiting ring (4) and the positioning ring (6), and legs (7) are provided on the bottom peripheral surfaces of the positioning ring (6).
2. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The tower body (1) is usually made of metal or other high temperature resistant and corrosion resistant materials; the fixing ring (12) is fixedly supported and connected to the lower surface of the interior of the tower body (1); and the third support ring (11) is contact-connected with the upper support of the fixing ring (12).
3. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The low-silicon lithium molecular sieve (9) is fixedly contacted and connected to the inner surfaces of the first support ring (8), the second support ring (10) and the third support ring (11); the second support ring (10) and the first support ring (8) are contacted and connected to the inner surface of the tower body (1) via the third support ring (11).
4. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The upper sealing cover (2) is threadedly fixedly connected to the top of the tower body (1); the air inlet pipe (3) is fixedly connected to the top of the upper sealing cover (2); and the air inlet pipe (3) is in contact with the surface of the low-silicon lithium molecular sieve (9) inside the tower body (1) through the upper sealing cover (2).
5. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The lower sealing cover (13) is threadedly fixedly connected to the bottom of the tower body (1), and the air outlet pipe (14) is fixedly connected to the bottom of the lower sealing cover (13). The air outlet pipe (14) is connected to the tower body (1) through contact with the surface of the low-silicon lithium molecular sieve (9) inside the tower body (1).
6. The molecular sieve adsorption tower for oxygen generator according to claim 3, characterized in that: The two ends of the connecting shaft (15) are respectively fixedly contacted and connected with the surfaces around the bottom of the first support ring (8) and around the top of the second support ring (10), as well as around the bottom of the second support ring (10) and around the top of the third support ring (11); the first support ring (8), the second support ring (10) and the third support ring (11) are all positioned and supported inside the tower body (1) through the connecting shaft (15).
7. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The limiting ring (4) is connected to the upper surface of the outer side of the tower body (1) in a limiting contact manner, and the positioning ring (6) is connected to the lower surface of the outer side of the tower body (1) in a threaded support manner.
8. The molecular sieve adsorption tower for oxygen generator according to claim 1, characterized in that: The two ends of the positioning rod (5) are respectively fixedly contacted and connected with the surrounding surfaces of the bottom of the limiting ring (4) and the surrounding surfaces of the top of the positioning ring (6), and the surrounding surfaces of the bottom of the positioning ring (6) are fixedly contacted and connected with the supporting legs (7).