CN212450620U - Modular molecular sieve oxygen generation unit - Google Patents
Modular molecular sieve oxygen generation unit Download PDFInfo
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- CN212450620U CN212450620U CN202021241012.0U CN202021241012U CN212450620U CN 212450620 U CN212450620 U CN 212450620U CN 202021241012 U CN202021241012 U CN 202021241012U CN 212450620 U CN212450620 U CN 212450620U
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Abstract
The utility model relates to a modularized molecular sieve oxygen making unit, belonging to the technical field of medical oxygen enrichment/civil and commercial oxygen supplementation; the molecular sieve adsorption tower comprises an integrally formed molecular sieve adsorption cylinder body, wherein the molecular sieve adsorption cylinder body comprises an oxygen recovery cylinder, a molecular sieve adsorption cylinder A and a molecular sieve adsorption cylinder B which are connected with each other through a control valve, the molecular sieve adsorption cylinder A and the molecular sieve adsorption cylinder B are communicated with an air inlet pipe and a nitrogen outlet pipe through the control valve, and the molecular sieve adsorption cylinder A and the molecular sieve adsorption cylinder B are communicated with a balance device; the air filter, the oil-free air compressor, the compressed air cooling and dewatering system and the flow limiting valve are further packaged; the air current is stable, and is small, and the noise is low, and air pressure is low, and molecular sieve adsorption tower long service life, independent work between each module, the commonality is strong, and installation maintenance is convenient.
Description
Technical Field
The utility model relates to a modularization molecular sieve system oxygen unit belongs to medical oxygen boosting/civilian, commercial oxygenating technical field.
Background
The existing molecular sieve oxygen generator has large parts, high air flow requirement on the molecular sieve adsorption tower due to high pressure, large volume and noise after combination, complex production structure, and high difficulty in field installation and after-sale maintenance. Compressed air enters a molecular sieve adsorption tower, nitrogen in the air is adsorbed by the molecular sieve to separate oxygen, and the nitrogen is discharged and enters an oxygen storage tank. Due to the pressure difference problem, the molecular sieve has large up-and-down fluctuation of activity degree and analysis capacity, the oxygen purity changes greatly up and down, the oxygen yield is less than the design yield, and the workload of an oxygen generation system is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the modular molecular sieve oxygen generation unit overcomes the defects of the prior art, is stable in air flow, small in size, low in noise, low in air flow pressure, long in service life of the molecular sieve adsorption tower, capable of working independently among modules, strong in universality and convenient to install and maintain.
Modularization molecular sieve system oxygen unit, including the molecular sieve adsorption tower, the molecular sieve adsorption tower includes integrated into one piece's molecular sieve adsorbs the barrel, and the molecular sieve adsorbs the barrel and includes an oxygen recovery section of thick bamboo, adsorbs a section of thick bamboo A and a molecular sieve adsorption section of thick bamboo B through the molecular sieve of connecting, a molecular sieve adsorption section of thick bamboo A and a molecular sieve adsorption section of thick bamboo B all communicate intake pipe and play nitrogen pipe through the control valve, a molecular sieve adsorption section of thick bamboo A and a molecular sieve adsorption section of thick bamboo B all communicate there is balancing unit.
The molecular sieve is protected from being pulverized by high-pressure impact, the activity and the resolving power of the molecular sieve can be activated by compressed air with balanced pressure in a short time, oxygen with high concentration and high yield can be produced in a short time, the working efficiency of oxygen production is improved, the airflow is stable, the airflow pressure is low, the noise is low, the service life of equipment is prolonged, and the volume of a molecular sieve adsorption tower is reduced; therefore, the modular molecular sieve oxygen generation unit has stable airflow, small volume, low noise, low airflow pressure and long service life of the molecular sieve adsorption tower.
Preferably, the outer wall of the molecular sieve adsorption cylinder is provided with a fixing hole for fixing the molecular sieve adsorption cylinder.
Preferably, the molecular sieve adsorption cylinder A and the molecular sieve adsorption cylinder B are respectively connected with an oxygen outlet pipe, the two oxygen outlet pipes are communicated with a balance device, the balance device is a pinhole, and two ends of the pinhole are respectively communicated with the two oxygen outlet pipes.
Preferably, a back flushing system is further arranged below the balancing device, the back flushing system comprises check valves respectively arranged at the bottoms of the two oxygen outlet pipes, a high-frequency valve is further arranged between the check valve and the oxygen outlet pipe between the balancing device, the high-frequency valve is communicated with the two oxygen outlet pipes, and the oxygen outlet pipe below the check valve is communicated with the oxygen recovery cylinder.
Preferably, the molecular sieve adsorption tower further comprises an upper end cover and a lower end cover at two ends of the molecular sieve adsorption cylinder.
Preferably, the control valve adopts a two-position four-way valve, the air inlet pipe and the nitrogen outlet pipe are communicated with the bottoms of the molecular sieve adsorption cylinder A and the molecular sieve adsorption cylinder B through the two-position four-way valve, and the tops of the molecular sieve adsorption cylinder A and the molecular sieve adsorption cylinder B are respectively communicated with the oxygen outlet pipe.
Preferably, still wrap air cleaner, oil-free air compressor machine, compressed air cooling dewatering system, restriction valve, air cleaner, oil-free air compressor machine, compressed air cooling dewatering system, molecular sieve adsorption tower, restriction valve communicate in proper order, compressed air cooling dewatering system is including the fan, catch water, the condenser that communicate in proper order.
The molecular sieve is protected from being pulverized by high-pressure impact, the activity and the resolving power of the molecular sieve can be activated by compressed air with balanced pressure in a short time, oxygen with high concentration and high yield can be produced in a short time, the working efficiency of oxygen production is improved, the airflow is stable, the airflow pressure is low, the noise is low, the service life of equipment is prolonged, and the volume of a molecular sieve adsorption tower is reduced; therefore, the modular molecular sieve oxygen generation unit has stable airflow, small volume, low noise, low airflow pressure and long service life of the molecular sieve adsorption tower. The modules work independently, can directly exchange work, and has strong universality and convenient installation and maintenance.
Preferably, the device also comprises a frame, wherein an air filter, an oil-free air compressor, a compressed air cooling and dewatering system, a molecular sieve adsorption tower and a flow limiting valve are positioned in the frame; forming a unit.
Preferably, the frame is a sheet metal frame.
Compared with the prior art, the utility model discloses following beneficial effect has:
modularization molecular sieve system oxygen unit, the air current is stable, and is small, and the noise is low, and air pressure is low, molecular sieve adsorption tower long service life, independent work between each module, the commonality is strong, and the installation is maintained conveniently.
Drawings
FIG. 1 is a schematic structural view of a modular molecular sieve oxygen production unit of the present invention;
fig. 2 is a schematic structural diagram of the molecular sieve adsorption cylinder of the present invention.
In the figure: 1. an air filter; 2. a fan; 3. an oil-free air compressor; 4. a steam-water separator; 5. a flow-limiting valve; 6. a condenser; 7. a main control circuit board; 8. an upper end cover; 9. a balancing device; 10. a high frequency valve; 11. a one-way valve; 12. a control valve; 13. a lower end cover; 14. a molecular sieve adsorption cylinder; 15. an oxygen recovery cylinder; 16. a molecular sieve adsorption cylinder A; 17. a molecular sieve adsorption cylinder B; 18. an oxygen outlet pipe; 19. and (7) fixing holes.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
example 1
As shown in fig. 1-2, the modular molecular sieve oxygen generation unit includes a molecular sieve adsorption tower, the molecular sieve adsorption tower includes an integrally formed molecular sieve adsorption cylinder 14, the molecular sieve adsorption cylinder 14 includes an oxygen recovery cylinder 15, a molecular sieve adsorption cylinder a16 and a molecular sieve adsorption cylinder B17, the molecular sieve adsorption cylinder a16 and the molecular sieve adsorption cylinder B17 are both communicated with an air inlet pipe and a nitrogen outlet pipe through a control valve 12, and the molecular sieve adsorption cylinder a16 and the molecular sieve adsorption cylinder B17 are both communicated with a balancing device 9.
The molecular sieve is protected from being pulverized by high-pressure impact, the activity and the resolving power of the molecular sieve can be activated by compressed air with balanced pressure in a short time, oxygen with high concentration and high yield can be produced in a short time, the working efficiency of oxygen production is improved, the airflow is stable, the airflow pressure is low, the noise is low, the service life of equipment is prolonged, and the volume of a molecular sieve adsorption tower is reduced; therefore, the modular molecular sieve oxygen generation unit has stable airflow, small volume, low noise, low airflow pressure and long service life of the molecular sieve adsorption tower.
The outer wall of the molecular sieve adsorption cylinder 14 is provided with a fixing hole 19 for fixing the molecular sieve adsorption cylinder 14.
The molecular sieve adsorption cylinder A16 and the molecular sieve adsorption cylinder B17 are respectively connected with an oxygen outlet pipe 18, the two oxygen outlet pipes 18 are communicated with a balance device 9, the balance device 9 is a pinhole, and two ends of the pinhole are respectively communicated with the two oxygen outlet pipes 18.
The oxygen recovery device is characterized in that a back flushing system is further arranged below the balancing device 9 and comprises check valves 11 respectively arranged at the bottoms of the two oxygen outlet pipes 18, a high-frequency valve 10 is further arranged between the check valve 11 and the oxygen outlet pipe 18 between the balancing device 9, the high-frequency valve 10 is communicated with the two oxygen outlet pipes 18, and the oxygen outlet pipe 18 located below the check valve 11 is communicated with the oxygen recovery cylinder 15.
The molecular sieve adsorption tower also comprises an upper end cover 8 and a lower end cover 13 at two ends of a molecular sieve adsorption cylinder 14.
The control valve 12 adopts a two-position four-way valve, the air inlet pipe and the nitrogen outlet pipe are communicated with the bottoms of a molecular sieve adsorption cylinder A16 and a molecular sieve adsorption cylinder B17 through the two-position four-way valve, and the tops of the molecular sieve adsorption cylinder A16 and the molecular sieve adsorption cylinder B17 are respectively communicated with the oxygen outlet pipe 18.
Modularization molecular sieve system oxygen unit, still wrap air cleaner 1, oil-free air compressor machine 3, compressed air cooling dewatering system, restriction valve 5, air cleaner 1, oil-free air compressor machine 3, compressed air cooling dewatering system, molecular sieve adsorption tower, restriction valve 5 communicate in proper order, compressed air cooling dewatering system is including fan 2, catch water 4, the condenser 6 that communicates in proper order.
The molecular sieve is protected from being pulverized by high-pressure impact, the activity and the resolving power of the molecular sieve can be activated by compressed air with balanced pressure in a short time, oxygen with high concentration and high yield can be produced in a short time, the working efficiency of oxygen production is improved, the airflow is stable, the airflow pressure is low, the noise is low, the service life of equipment is prolonged, and the volume of a molecular sieve adsorption tower is reduced; therefore, the modular molecular sieve oxygen generation unit has stable airflow, small volume, low noise, low airflow pressure and long service life of the molecular sieve adsorption tower. The modules work independently, can directly exchange work, and has strong universality and convenient installation and maintenance.
The modular molecular sieve oxygen production unit also comprises a frame, wherein an air filter 1, an oil-free air compressor 3, a compressed air cooling and dewatering system, a molecular sieve adsorption tower and a flow limiting valve 5 are positioned in the frame; forming a unit.
The frame adopts a sheet metal frame.
The modular molecular sieve oxygen production unit also comprises a main control circuit board 7, and the main control circuit board 7 is positioned in the inner space of the molecular sieve adsorption tower; further saving space.
The modular molecular sieve oxygen generation unit has the working process as follows:
air is orderly processed through an air filter 1, an oil-free air compressor 3, a compressed air cooling and dewatering system and a molecular sieve adsorption tower to generate oxygen, and oxygen flows out from a flow limiting valve 5.
The air inlet pipe is communicated through the control valve 12, the nitrogen outlet pipe is kept closed, the high-frequency valve 10 is closed, the one-way valve 11 is opened, air enters the molecular sieve adsorption cylinder A16 and the molecular sieve adsorption cylinder B17 from the air inlet pipe, the molecular sieves of the molecular sieve adsorption cylinder A16 and the molecular sieve adsorption cylinder B17 adsorb nitrogen in the air to separate oxygen, and the oxygen enters the oxygen recovery cylinder 15 through the oxygen outlet pipe. The arrangement of the balancing device 9 is used for ensuring that when compressed air enters the two molecular sieve adsorption cylinders A16 and the molecular sieve adsorption cylinder B17, the pressure balance can be maintained between the two molecular sieve adsorption cylinders A16 and the molecular sieve adsorption cylinder B17, the activity degree and the resolving power of the molecular sieve are activated to the maximum extent, oxygen with high concentration and high yield can be continuously obtained for a long time, and the adsorption quality and the service life of the molecular sieve are ensured.
If the nitrogen discharging operation is required, the molecular sieve adsorption cylinders A, B can be respectively subjected to nitrogen discharging operation, when the molecular sieve adsorption cylinder A is subjected to nitrogen discharging, the control valve 12 controls the air inlet pipe corresponding to the molecular sieve adsorption cylinder A to be closed, the nitrogen outlet pipe is communicated, the two check valves 11 are kept closed, the high-frequency valve 10 is opened, the ventilation of the molecular sieve adsorption cylinder B17 is continuously kept, the air in the molecular sieve adsorption cylinder B17 enters the oxygen outlet pipe 18 corresponding to the air through the molecular sieve adsorption separation oxygen, and due to the communication of the high-frequency valve 10, part of the oxygen in the oxygen outlet pipe 18 corresponding to the molecular sieve adsorption cylinder B17 enters the molecular sieve adsorption cylinder A16 through the high-frequency valve 10 and the oxygen outlet pipe 18 of the molecular sieve adsorption cylinder A16, the back flushing pressure is formed, the nitrogen in the molecular sieve adsorption cylinder A16 is discharged from the nitrogen outlet pipe, and the nitrogen accumulated in the molecular sieve adsorption cylinder B17 can be discharged from the nitrogen outlet pipe, so that the activity in the two molecular sieve adsorption cylinders is ensured, the oxygen can be more efficiently and continuously separated out by the whole device.
To sum up, modularization molecular sieve system oxygen unit, the air current is stable, and is small, and the noise is low, and air pressure is low, and molecular sieve adsorption tower long service life independently works between each module, and the commonality is strong, and the installation is maintained conveniently.
Claims (9)
1. The utility model provides a modularization molecular sieve oxygen generation unit, its characterized in that, includes the molecular sieve adsorption tower, the molecular sieve adsorption tower includes integrated into one piece's molecular sieve adsorption barrel (14), and molecular sieve adsorption barrel (14) include oxygen recovery section of thick bamboo (15), through the molecular sieve adsorption barrel A (16) and the molecular sieve adsorption barrel B (17) of connecting, molecular sieve adsorption barrel A (16) and molecular sieve adsorption barrel B (17) all communicate the intake pipe and go out the nitrogen pipe through control valve (12), molecular sieve adsorption barrel A (16) and molecular sieve adsorption barrel B (17) all communicate balancing unit (9).
2. The modular molecular sieve oxygen generation unit of claim 1, wherein the molecular sieve adsorption cylinder (14) is provided with fixing holes (19) on its outer wall.
3. The modular molecular sieve oxygen generation unit according to claim 2, wherein the molecular sieve adsorption cylinder A (16) and the molecular sieve adsorption cylinder B (17) are respectively connected with an oxygen outlet pipe (18), the two oxygen outlet pipes (18) are communicated with a balancing device (9), the balancing device (9) is a pinhole, and two ends of the pinhole are respectively communicated with the two oxygen outlet pipes (18).
4. The modular molecular sieve oxygen production unit according to claim 3, wherein a back-blowing system is further arranged below the balancing device (9), the back-blowing system comprises check valves (11) respectively arranged at the bottoms of the two oxygen outlet pipes (18), a high-frequency valve (10) is further arranged between the check valve (11) and the oxygen outlet pipe (18) between the balancing device (9), the high-frequency valve (10) is communicated with the two oxygen outlet pipes (18), and the oxygen outlet pipe (18) positioned below the check valve (11) is communicated with the oxygen recovery cylinder (15).
5. The modular molecular sieve oxygen generation unit of any of claims 1-4, wherein the molecular sieve adsorption column further comprises an upper end cap (8) and a lower end cap (13) at both ends of the molecular sieve adsorption cylinder (14).
6. The modular molecular sieve oxygen production unit of claim 5, wherein the control valve (12) adopts a two-position four-way valve, the air inlet pipe and the nitrogen outlet pipe are communicated with the bottoms of the molecular sieve adsorption cylinder A (16) and the molecular sieve adsorption cylinder B (17) through the two-position four-way valve, and the tops of the molecular sieve adsorption cylinder A (16) and the molecular sieve adsorption cylinder B (17) are respectively communicated with the oxygen outlet pipe (18).
7. The modular molecular sieve oxygen production unit according to any one of claims 1 to 4, further comprising an air filter (1), an oil-free air compressor (3), a compressed air cooling and water removing system and a flow limiting valve (5), wherein the air filter (1), the oil-free air compressor (3), the compressed air cooling and water removing system, the molecular sieve adsorption tower and the flow limiting valve (5) are sequentially communicated, and the compressed air cooling and water removing system comprises a fan (2), a steam-water separator (4) and a condenser (6) which are sequentially communicated.
8. The modular molecular sieve oxygen production unit of claim 7, further comprising a frame, wherein the air filter (1), the oil-free air compressor (3), the compressed air cooling water removal system, the molecular sieve adsorption tower, and the flow restriction valve (5) are located within the frame.
9. The modular molecular sieve oxygen generation unit of claim 8, wherein the frame is a sheet metal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241012.0U CN212450620U (en) | 2020-06-30 | 2020-06-30 | Modular molecular sieve oxygen generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241012.0U CN212450620U (en) | 2020-06-30 | 2020-06-30 | Modular molecular sieve oxygen generation unit |
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| Publication Number | Publication Date |
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| CN212450620U true CN212450620U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021241012.0U Active CN212450620U (en) | 2020-06-30 | 2020-06-30 | Modular molecular sieve oxygen generation unit |
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| CN (1) | CN212450620U (en) |
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